Merge branch 'main' into PlayerController

Assets/Shaders/DeferredComposite_CS.glsl

@@ -21,7 +21,8 @@ layout(set = 4, binding = 0, rgba32f) uniform image2D positions;
 layout(set = 4, binding = 1, rgba32f) uniform image2D normals;
 layout(set = 4, binding = 2, rgba8) uniform image2D albedo;
 layout(set = 4, binding = 3, r32ui) uniform uimage2D lightLayerData;
-layout(set = 4, binding = 4, rgba8) uniform image2D targetImage;
+layout(set = 4, binding = 4, r8) uniform image2D ssaoBlurredImage;
+layout(set = 4, binding = 5, rgba8) uniform image2D targetImage;
 
 layout(set = 1, binding = 0) uniform LightCounts
 {
@@ -51,33 +52,46 @@ void main()
   vec3 pixelDiffuse = imageLoad (albedo, globalThread).rgb;
 
   // Get position of fragment in world space
-  vec3 positionWorld = imageLoad (positions, globalThread).rgb;
+  vec3 positionView = imageLoad (positions, globalThread).rgb;
 
   // normal of fragment
-  vec3 normalWorld = imageLoad(normals, globalThread).rgb;
+  vec3 normalView = imageLoad(normals, globalThread).rgb;
+
+  // light layer index
+  uint lightLayer = imageLoad (lightLayerData, globalThread).r;
 
   vec3 fragColor = vec3 (0.0f);
 
   for (int i = 0; i < lightCounts.directionalLights; ++i)
   {
-    // get normalized direction of light 
+    if ((lightLayer & DirLightData.dLightData[i].cullingMask) != 0)
-    vec3 dLightNormalized = normalize (DirLightData.dLightData[i].direction);
+    {
+      // get normalized direction of light 
+      vec3 dLightNormalized = normalize (DirLightData.dLightData[i].direction);
 
-    // Get diffuse strength
+      // Get diffuse strength
-    float diffuseStrength = max (0, dot (dLightNormalized, normalWorld));
+      float diffuseStrength = max (0, dot (dLightNormalized, normalView));
 
-    // Calculate the fragment color
+      // Calculate the fragment color
-    fragColor += DirLightData.dLightData[i].diffuseColor.rgb * diffuseStrength.rrr * pixelDiffuse;
+      fragColor += DirLightData.dLightData[i].diffuseColor.rgb * diffuseStrength.rrr * pixelDiffuse;
+    }
   }
 
   for (int i = 0; i < lightCounts.ambientLights; ++i)
   {
-    // Just do some add
+    if ((lightLayer & AmbLightData.aLightData[i].cullingMask) != 0)
-    //fragColor += pixelDiffuse.rgb * AmbLightData.aLightData[i].ambientColor.rgb * vec3 (0.5f);
+    {
-    fragColor += pixelDiffuse.rgb * AmbLightData.aLightData[i].ambientColor.rgb * vec3 (AmbLightData.aLightData[i].strength);
+      // Just do some add
+      //fragColor += pixelDiffuse.rgb * AmbLightData.aLightData[i].ambientColor.rgb * vec3 (0.5f);
+      fragColor += pixelDiffuse.rgb * AmbLightData.aLightData[i].ambientColor.rgb * vec3 (AmbLightData.aLightData[i].strength);
+    }
   }
 
+  float ssaoVal = imageLoad (ssaoBlurredImage, globalThread).r;
+  fragColor *= ssaoVal;
+
   // store result into result image
-  imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), vec4(fragColor, 1.0f));
+  imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), vec4(fragColor.rgb, 1.0f));
+  //imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), vec4(ssaoVal.rrr, 1.0f));
 
 }

Assets/Shaders/SSAOBlur_CS.glsl

@@ -0,0 +1,58 @@
+#version 450
+
+#define BLUR_WIDTH 5
+#define BLUR_HALF_WIDTH BLUR_WIDTH / 2
+#define SHM_WIDTH BLUR_WIDTH + 16 - 1
+
+layout(local_size_x = 16, local_size_y = 16) in;
+layout(set = 4, binding = 0, r8) uniform image2D ssaoImage;
+layout(set = 4, binding = 1, r8) uniform image2D ssaoBlurImage;
+
+
+float GetSSAOValue(ivec2 uv, ivec2 imageSize)
+{
+  if (uv.x >= 0 && uv.y >= 0 && uv.x < imageSize.x && uv.y < imageSize.y)
+  {
+    return imageLoad (ssaoImage, uv).r;
+  }
+
+  return 0.0f;
+}
+
+shared float sharedPixels[16 + BLUR_WIDTH - 1][16 + BLUR_WIDTH - 1];
+
+void main()
+{ 
+  ivec2 globalThread = ivec2 (gl_GlobalInvocationID.xy);
+  ivec2 localThread = ivec2 (gl_LocalInvocationID.xy);
+  ivec2 inputImageSize = imageSize(ssaoImage);
+
+  // Load color into shared memory
+  ivec2 start = ivec2 (gl_WorkGroupID) * ivec2 (gl_WorkGroupSize) - (BLUR_HALF_WIDTH);
+  for (int i = localThread.x; i < SHM_WIDTH; i += int (gl_WorkGroupSize.x))
+  {
+    for (int j = localThread.y; j < SHM_WIDTH; j += int (gl_WorkGroupSize.y))
+    {
+      float value = GetSSAOValue (start + ivec2 (i, j), inputImageSize);
+      sharedPixels[i][j] = value;
+    }
+  }
+  
+  // wait for all shared memory to load
+  barrier();
+
+  ivec2 shmStart = ivec2 (localThread + (BLUR_HALF_WIDTH));
+
+  float sum = 0;
+  for (int i = -BLUR_HALF_WIDTH; i <= BLUR_HALF_WIDTH; ++i)
+  {
+    for (int j = -BLUR_HALF_WIDTH; j <= BLUR_HALF_WIDTH; ++j)
+    {
+      float sharedVal = sharedPixels[shmStart.x + i][shmStart.y + j];
+      sum += sharedVal;
+    }
+  }
+
+  sum /= (BLUR_WIDTH * BLUR_WIDTH);
+  imageStore(ssaoBlurImage, globalThread, vec4(sum.rrr, 1.0f));
+}

Assets/Shaders/SSAOBlur_CS.shshaderb.shmeta

@@ -0,0 +1,3 @@
+Name: SSAOBlur_CS
+ID: 39760835
+Type: 2

Assets/Shaders/SSAO_CS.glsl

@@ -0,0 +1,104 @@
+#version 450
+
+const uint NUM_SAMPLES = 64;
+const uint NUM_ROTATIONS = 16;
+const int ROTATION_KERNEL_W = 4;
+const int ROTATION_KERNEL_H = 4;
+
+// can perhaps pass in as push constant.
+const float RADIUS = 0.5f;
+const float BIAS = 0.025f;
+
+layout(local_size_x = 16, local_size_y = 16) in;
+layout(set = 4, binding = 0, rgba32f) uniform image2D positions;
+layout(set = 4, binding = 1, rgba32f) uniform image2D normals;
+layout(set = 4, binding = 2, rgba32f) uniform image2D outputImage;
+
+
+// SSAO data
+layout(std430, set = 5, binding = 0) buffer SSAOData
+{
+  vec4 samples[NUM_SAMPLES];
+
+} ssaoData;
+
+layout (set = 5, binding = 1) uniform sampler2D noiseTexture;
+
+layout(set = 2, binding = 0) uniform CameraData
+{
+  vec4 position;
+  mat4 vpMat;
+  mat4 viewMat;
+  mat4 projMat;
+
+} cameraData;
+
+
+void main()
+{ 
+  // image size of the SSAO image
+  ivec2 ssaoSize = imageSize (outputImage);
+
+  // global thread
+  ivec2 globalThread = ivec2 (gl_GlobalInvocationID.xy);
+
+  // load all the necessary variables
+  vec3 viewSpacePos     = imageLoad (positions, globalThread).rgb;
+  vec3 viewSpaceNormal  = normalize (imageLoad (normals, globalThread).rgb);
+
+  // Get the noise dimension. This should be 4x4
+  vec2 noiseDim = vec2 (textureSize(noiseTexture, 0));
+
+  // Get normlized thread UV coordinates
+  vec2 threadUV = (vec2(globalThread)) / vec2(ssaoSize);
+  vec2 noiseUVMult = vec2 (vec2(ssaoSize) / noiseDim);
+  noiseUVMult *= threadUV;
+
+  // sample from the noise
+  vec3 randomVec = texture(noiseTexture, noiseUVMult).rgb;
+
+  // Gram schmidt
+  vec3 tangent = normalize (randomVec - (viewSpaceNormal * dot(viewSpaceNormal, randomVec)));
+  vec3 bitangent = normalize (cross (tangent, viewSpaceNormal));
+
+  // matrix for tangent space to view space
+  mat3 TBN = mat3(tangent, bitangent, viewSpaceNormal);
+
+  float occlusion = 0.0f;
+  for (int i = 0; i < NUM_SAMPLES; ++i)
+  {
+    // We want to get a position at an offset from the view space position. Offset scaled by radius.
+    vec3 displacementVector = TBN * ssaoData.samples[i].rgb;
+
+    // Why are we adding positions?
+    displacementVector = viewSpacePos + displacementVector * RADIUS;
+
+    // Now we take that offset position and bring it to clip space
+    vec4 offsetPos = vec4 (displacementVector, 1.0f);
+    offsetPos = cameraData.projMat * offsetPos;
+
+    // then we do perspective division
+    offsetPos.xyz /= offsetPos.w;
+
+    // and bring it from [-1, 1] to screen coordinates
+    offsetPos.xyz = ((offsetPos.xyz * 0.5f) + 0.5f);
+    offsetPos.xy *= vec2(ssaoSize.xy);
+
+    // Now we attempt to get a position at that point. 
+    float sampleDepth = imageLoad (positions, ivec2 (offsetPos.xy)).z;
+
+    // skip checks
+    if (sampleDepth == 0.0f)
+      continue;
+
+    // if sampled fragment is in front of current fragment, just occlude
+    float rangeCheck = smoothstep (0.0f, 1.0f, RADIUS / abs (viewSpacePos.z - sampleDepth));
+    occlusion += (sampleDepth <= displacementVector.z - BIAS ? 1.0f : 0.0f) * rangeCheck;
+  }
+
+  occlusion = 1.0f - (occlusion / float(NUM_SAMPLES));
+
+  // store result into result image
+  imageStore(outputImage, globalThread, occlusion.rrrr);
+
+}

Assets/Shaders/SSAO_CS.shshaderb.shmeta

@@ -0,0 +1,3 @@
+Name: SSAO_CS
+ID: 38430899
+Type: 2

Assets/Shaders/TestCube_VS.glsl

@@ -33,18 +33,31 @@ layout(set = 2, binding = 0) uniform CameraData
 {
   vec4 position; 
   mat4 vpMat;
+  mat4 viewMat;
+  mat4 projMat;
 } cameraData;
 
 void main()
 {
-
   Out2.materialIndex = gl_InstanceIndex;
   Out2.eid             = integerData[0];
   Out2.lightLayerIndex = integerData[1];
 
-  Out.vertPos = worldTransform * vec4(aVertexPos, 1.0f);
+  // for transforming gBuffer position and normal data
+  mat4 modelViewMat = cameraData.viewMat * worldTransform;
+
+  // gBuffer position will be in view space
+  Out.vertPos = modelViewMat * vec4(aVertexPos, 1.0f);
+
+  // uvs for texturing in fragment shader
   Out.uv = aUV;
-  Out.normal.rgb = mat3(transpose(inverse(worldTransform))) * aNormal.rgb;
+
+  mat3 transposeInv = mat3 (transpose(inverse(modelViewMat)));
+
+  // normals are also in view space
+  Out.normal.rgb = transposeInv * aNormal.rgb;
   Out.normal.rgb = normalize (Out.normal.rgb);
+
+  // clip space for rendering
   gl_Position = cameraData.vpMat * worldTransform * vec4 (aVertexPos, 1.0f);
 }

SHADE_Application/src/Application/SBApplication.cpp

@@ -73,6 +73,9 @@ namespace Sandbox
     SHSystemManager::CreateSystem<SHCameraSystem>();
     SHSystemManager::CreateSystem<SHDebugDrawSystem>();
 
+    // Link up SHDebugDraw
+    SHDebugDraw::Init(SHSystemManager::GetSystem<SHDebugDrawSystem>());
+    
 #ifdef SHEDITOR
     SDL_Init(SDL_INIT_VIDEO);
     sdlWindow = SDL_CreateWindowFrom(window.GetHWND());
@@ -91,6 +94,7 @@ namespace Sandbox
     SHSystemManager::RegisterRoutine<SHPhysicsSystem, SHPhysicsSystem::PhysicsPreUpdate>();
     SHSystemManager::RegisterRoutine<SHPhysicsSystem, SHPhysicsSystem::PhysicsFixedUpdate>();
     SHSystemManager::RegisterRoutine<SHPhysicsSystem, SHPhysicsSystem::PhysicsPostUpdate>();
+    SHSystemManager::RegisterRoutine<SHPhysicsSystem, SHPhysicsSystem::PhysicsDebugDraw>();
 
     SHSystemManager::RegisterRoutine<SHTransformSystem, SHTransformSystem::TransformPostPhysicsUpdate>();
     SHSystemManager::RegisterRoutine<SHDebugDrawSystem, SHDebugDrawSystem::ProcessPointsRoutine>();
@@ -148,6 +152,13 @@ namespace Sandbox
 #endif
       SHSystemManager::RunRoutines(editor->editorState != SHEditor::State::PLAY, 0.016f);
       editor->PollPicking();
+
+      static bool drawColliders = false;
+      if (SHInputManager::GetKeyDown(SHInputManager::SH_KEYCODE::SPACE))
+      {
+        drawColliders = !drawColliders;
+        SHSystemManager::GetSystem<SHPhysicsSystem>()->SetDrawColliders(drawColliders);
+      }
     }
     // Finish all graphics jobs first
     graphicsSystem->AwaitGraphicsExecution();

SHADE_Engine/src/Editor/EditorWindow/Inspector/SHEditorComponentView.hpp

@@ -269,14 +269,15 @@ namespace SHADE
             {
               const SHVec3& TF_WORLD_SCALE = transformComponent->GetWorldScale();
               const float MAX_SCALE = SHMath::Max({ TF_WORLD_SCALE.x, TF_WORLD_SCALE.y, TF_WORLD_SCALE.z });
-              return sphere->GetRadius() / MAX_SCALE;
+              return (sphere->GetRadius() / MAX_SCALE) * 2.0f;
             },
-              [collider](float const& value) { collider->SetBoundingSphere(value); });
+            [collider](float const& value) { collider->SetBoundingSphere(value); });
         }
         else if (collider->GetType() == SHCollider::Type::CAPSULE)
         {
 
         }
+
         {
           SHEditorWidgets::BeginPanel("Offsets",{ ImGui::GetContentRegionAvail().x, 30.0f });
           SHEditorWidgets::DragVec3("Position", { "X", "Y", "Z" }, [&collider] {return collider->GetPositionOffset(); }, [&collider](SHVec3 const& vec) {collider->SetPositionOffset(vec); });
@@ -301,6 +302,9 @@ namespace SHADE
           });
           SHEditorWidgets::EndPanel();
         }
+
+        SHEditorWidgets::CheckBox("Is Trigger", [collider] { return collider->IsTrigger(); }, [collider](bool value) { collider->SetIsTrigger(value); });
+
         if (ImGui::Button(std::format("{} Remove Collider #{}", ICON_MD_REMOVE, i).data()))
         {
           colliderToDelete = i;

SHADE_Engine/src/Editor/SHEditor.cpp

@@ -46,6 +46,7 @@
 #include <backends/imgui_impl_vulkan.h>
 
 #include "Graphics/MiddleEnd/Interface/SHMousePickSystem.h"
+#include "Tools/SHDebugDraw.h"
 
 RTTR_REGISTRATION
 {
@@ -77,7 +78,6 @@ namespace SHADE
   //#==============================================================#
   void SHEditor::Init()
   {
-
     IMGUI_CHECKVERSION();
     if(auto context = ImGui::CreateContext())
     {
@@ -120,6 +120,17 @@ namespace SHADE
       window->Init();
     }
 
+    /* Editor View Gridlines */
+    SetUpGridLines(true, true);
+    // Handle state changes so that we only show in edit mode
+    std::shared_ptr<SHEventReceiverSpec<SHEditor>> stateChangeEventReceiver
+    {
+      std::make_shared<SHEventReceiverSpec<SHEditor>>(this, &SHEditor::onEditorStateChanged)
+    };
+    SHEventManager::SubscribeTo(SH_EDITOR_ON_PLAY_EVENT, std::dynamic_pointer_cast<SHEventReceiver>(stateChangeEventReceiver));
+    SHEventManager::SubscribeTo(SH_EDITOR_ON_PAUSE_EVENT, std::dynamic_pointer_cast<SHEventReceiver>(stateChangeEventReceiver));
+    SHEventManager::SubscribeTo(SH_EDITOR_ON_STOP_EVENT, std::dynamic_pointer_cast<SHEventReceiver>(stateChangeEventReceiver));
+
     SHLOG_INFO("Successfully initialised SHADE Engine Editor")
   }
 
@@ -180,6 +191,97 @@ namespace SHADE
     io->Fonts->Build();
   }
 
+  void SHEditor::SetUpGridLines(bool drawGrid, bool drawAxes)
+  {
+    // Clear existing lines
+    SHDebugDraw::ClearPersistentDraws();
+
+    static constexpr float DELTA = 1.0f;
+    static constexpr int   EXTENT_COUNT = static_cast<int>(500.0f /* TODO: Remove hard code */ / DELTA);
+    static constexpr float LINE_HALF_LENGTH = (DELTA * static_cast<float>(EXTENT_COUNT)) * 0.5f;
+
+    // Render Grid
+    static const SHColour GRID_COL = { 0.2f, 0.2f, 0.2f, 1.0f };
+    if (drawGrid)
+    {
+      for (int i = 1; i < EXTENT_COUNT; ++i)
+      {
+        // X-Axis Lines
+        SHDebugDraw::PersistentLine
+        (
+          GRID_COL,
+          SHVec3 { -LINE_HALF_LENGTH, 0.0f, i * DELTA },
+          SHVec3 {  LINE_HALF_LENGTH, 0.0f, i * DELTA }
+        );
+        SHDebugDraw::PersistentLine
+        (
+          GRID_COL,
+          SHVec3 { -LINE_HALF_LENGTH, 0.0f, i * -DELTA }, 
+          SHVec3 {  LINE_HALF_LENGTH, 0.0f, i * -DELTA }
+        );
+        // Y-Axis Lines
+        SHDebugDraw::PersistentLine
+        (
+          GRID_COL,
+          SHVec3 { i * DELTA, 0.0f, -LINE_HALF_LENGTH },
+          SHVec3 { i * DELTA, 0.0f,  LINE_HALF_LENGTH }
+        );
+        SHDebugDraw::PersistentLine
+        (
+          GRID_COL,
+          SHVec3 { -i * DELTA, 0.0f, -LINE_HALF_LENGTH },
+          SHVec3 { -i * DELTA, 0.0f,  LINE_HALF_LENGTH }
+        );
+      }
+    }
+
+    // Render World Axes
+    if (drawAxes || drawGrid)
+    {
+      const SHColour X_AXIS_COL = drawAxes ? SHColour::RED : GRID_COL;
+      const SHColour Y_AXIS_COL = drawAxes ? SHColour::GREEN : GRID_COL;
+      const SHColour Z_AXIS_COL = drawAxes ? SHColour::BLUE : GRID_COL;
+      // X
+      SHDebugDraw::PersistentLine
+      (
+        X_AXIS_COL,
+        SHVec3 { -LINE_HALF_LENGTH, 0.0f, 0.0f },
+        SHVec3 {  LINE_HALF_LENGTH, 0.0f, 0.0f }
+      );
+      // Y
+      SHDebugDraw::PersistentLine
+      (
+        Y_AXIS_COL,
+        SHVec3 { 0.0f, -LINE_HALF_LENGTH, 0.0f },
+        SHVec3 { 0.0f,  LINE_HALF_LENGTH, 0.0f }
+      );
+      // Z
+      SHDebugDraw::PersistentLine
+      (
+        Z_AXIS_COL,
+        SHVec3 { 0.0f, 0.0f, -LINE_HALF_LENGTH },
+        SHVec3 { 0.0f, 0.0f,  LINE_HALF_LENGTH }
+      );
+    }
+  }
+
+  SHEventHandle SHEditor::onEditorStateChanged(SHEventPtr eventPtr)
+  {
+    auto eventData = reinterpret_cast<const SHEventSpec<SHEditorStateChangeEvent>*>(eventPtr.get());
+    switch (editorState)
+    {
+      case State::PAUSE:
+      case State::STOP:
+        SetUpGridLines(true, true);
+        break;
+      case State::PLAY:
+      default:
+        SHDebugDraw::ClearPersistentDraws();
+        break;
+    }
+    return eventData->handle;
+  }
+
   void SHEditor::Exit()
   {
     for (const auto& window : SHEditorWindowManager::editorWindows | std::views::values)

SHADE_Engine/src/Editor/SHEditor.h

@@ -16,8 +16,9 @@
 #include "Resource/SHHandle.h"
 #include "EditorWindow/SHEditorWindow.h"
 #include "Tools/SHLog.h"
-#include "Gizmos/SHTransformGizmo.h"
+#include "Gizmos/SHTransformGizmo.h"`
-
+#include "Events/SHEventDefines.h"
+#include "Events/SHEvent.h"
 
 //#==============================================================#
 //||                      Library Includes                      ||
@@ -194,6 +195,10 @@ namespace SHADE
 
     void InitFonts() noexcept;
 
+    void SetUpGridLines(bool drawGrid, bool drawAxes);
+
+    SHEventHandle onEditorStateChanged(SHEventPtr eventPtr);
+
     // Handle to command pool used for ImGui Vulkan Backend
     Handle<SHVkCommandPool> imguiCommandPool;
     // Handle to command buffer used for ImGui Vulkan Backend

SHADE_Engine/src/Editor/SHEditorUI.cpp

@@ -157,7 +157,7 @@ namespace SHADE
     if (isHovered)
         *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
-    return ImGui::Checkbox("#", &value);
+    return ImGui::Checkbox("##", &value);
   }
   bool SHEditorUI::InputInt(const std::string& label, int& value, bool* isHovered)
   {
@@ -165,7 +165,7 @@ namespace SHADE
     if (isHovered)
         *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
-    return ImGui::InputInt("#", &value,
+    return ImGui::InputInt("##", &value,
                            1, 10,
                            ImGuiInputTextFlags_EnterReturnsTrue);
   }
@@ -176,7 +176,7 @@ namespace SHADE
     if (isHovered)
         *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
-    const bool CHANGED = InputInt("#", signedVal);
+    const bool CHANGED = InputInt("##", signedVal);
     if (CHANGED)
     {
       signedVal = std::clamp(signedVal, 0, std::numeric_limits<int>::max());
@@ -190,7 +190,7 @@ namespace SHADE
     if (isHovered)
         *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
-    return ImGui::InputFloat("#", &value,
+    return ImGui::InputFloat("##", &value,
                              0.1f, 1.0f, "%.3f", 
                              ImGuiInputTextFlags_EnterReturnsTrue);
   }
@@ -200,7 +200,7 @@ namespace SHADE
     if (isHovered)
         *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
-    return ImGui::InputDouble("#", &value,
+    return ImGui::InputDouble("##", &value,
                               0.1, 1.0, "%.3f", 
                               ImGuiInputTextFlags_EnterReturnsTrue);
   }
@@ -210,7 +210,7 @@ namespace SHADE
     if (isHovered)
         *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
-    return ImGui::InputDouble("#", &value,
+    return ImGui::InputDouble("##", &value,
                               1.0, 45.0, "%.3f", 
                               ImGuiInputTextFlags_EnterReturnsTrue);
   }
@@ -280,7 +280,7 @@ namespace SHADE
     if (isHovered)
         *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
-    const bool CHANGED = ImGui::InputText("#", &buffer[0], TEXT_FIELD_MAX_LENGTH);
+    const bool CHANGED = ImGui::InputText("##", &buffer[0], TEXT_FIELD_MAX_LENGTH);
     if (CHANGED)
     {
       value = std::string(buffer.data(), buffer.data() + TEXT_FIELD_MAX_LENGTH);
@@ -327,7 +327,7 @@ namespace SHADE
     if (isHovered)
         *isHovered = ImGui::IsItemHovered();
     ImGui::SameLine();
-    if (ImGui::BeginCombo("#", INITIAL_NAME.c_str(), ImGuiComboFlags_None))
+    if (ImGui::BeginCombo("##", INITIAL_NAME.c_str(), ImGuiComboFlags_None))
     {
       for (int i = 0; i < enumNames.size(); ++i)
       {

SHADE_Engine/src/Graphics/Buffers/SHVkBuffer.cpp

@@ -64,6 +64,11 @@ namespace SHADE
     return bufferUsageFlags;
   }
 
+  uint32_t SHVkBuffer::GetSizeStored(void) const noexcept
+  {
+    return sizeStored;
+  }
+
   /***************************************************************************/
   /*!
 

SHADE_Engine/src/Graphics/Buffers/SHVkBuffer.h

@@ -102,8 +102,9 @@ namespace SHADE
     /*-----------------------------------------------------------------------*/
     /* SETTERS AND GETTERS                                                   */
     /*-----------------------------------------------------------------------*/
-    vk::Buffer GetVkBuffer (void) const noexcept;
+    vk::Buffer           GetVkBuffer (void) const noexcept;
     vk::BufferUsageFlags GetUsageBits(void) const noexcept;
+    uint32_t             GetSizeStored (void) const noexcept;
 
     template <typename T>
     T GetDataFromMappedPointer(uint32_t index) const noexcept

SHADE_Engine/src/Graphics/Descriptors/SHVkDescriptorSetLayout.cpp

@@ -119,6 +119,18 @@ namespace SHADE
       return setIndex;
     }
 
+    uint32_t SHVkDescriptorSetLayout::GetNumDynamicOffsetsRequired(void) const noexcept
+    {
+      uint32_t numDynamicBindings = 0;
+      for (auto& binding : layoutDesc)
+      {
+        if (binding.Type == vk::DescriptorType::eUniformBufferDynamic || binding.Type == vk::DescriptorType::eStorageBufferDynamic)
+          ++numDynamicBindings;
+      }
+
+      return numDynamicBindings;
+    }
+
     SHVkDescriptorSetLayout& SHVkDescriptorSetLayout::operator=(SHVkDescriptorSetLayout&& rhs) noexcept
     {
       if (&rhs == this)

SHADE_Engine/src/Graphics/Descriptors/SHVkDescriptorSetLayout.h

@@ -99,6 +99,7 @@ namespace SHADE
         inline const vk::DescriptorSetLayout& GetVkHandle() const { return setLayout; }
         std::vector<Binding> const&           GetBindings (void) const noexcept;
         SetIndex                              GetSetIndex (void) const noexcept;
+        uint32_t                              GetNumDynamicOffsetsRequired (void) const noexcept;
 
       private:
         /*-----------------------------------------------------------------------------*/

SHADE_Engine/src/Graphics/MiddleEnd/GlobalData/SHGraphicsGlobalData.cpp

@@ -79,7 +79,7 @@ namespace SHADE
     SHVkDescriptorSetLayout::Binding cameraDataBinding
     {
       .Type = vk::DescriptorType::eUniformBufferDynamic,
-      .Stage = vk::ShaderStageFlagBits::eVertex,
+      .Stage = vk::ShaderStageFlagBits::eVertex | vk::ShaderStageFlagBits::eCompute,
       .BindPoint = SHGraphicsConstants::DescriptorSetBindings::CAMERA_DATA,
       .DescriptorCount = 1,
     };

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHDebugDrawSystem.cpp

@@ -43,20 +43,41 @@ namespace SHADE
             return;
         }
 
+        // Get the system
+        SHDebugDrawSystem* system = static_cast<SHDebugDrawSystem*>(GetSystem());
+
         // Get current frame index
         const uint32_t FRAME_IDX = gfxSys->GetCurrentFrameIndex();
 
-        // Create the buffer if it doesn't exist or just update it
+        /* Non-Persistent Buffer */
-        SHDebugDrawSystem* system = static_cast<SHDebugDrawSystem*>(GetSystem());
+        // Update the buffer
         system->numPoints[FRAME_IDX] = system->points.size();
         const uint32_t DATA_SIZE = sizeof(PointVertex) * system->points.size();
         if (DATA_SIZE > 0)
         {
-          system->vertexBuffers[FRAME_IDX]->WriteToMemory(system->points.data(), DATA_SIZE, 0, 0);
+            system->vertexBuffers[FRAME_IDX]->WriteToMemory(system->points.data(), DATA_SIZE, 0, 0);
         }
 
         // Reset for next frame
         system->points.clear();
+
+        /* Persistent Buffer */
+        // Check if there are changes
+        if (system->persistentBuffersCleared[FRAME_IDX]
+            ||
+            system->numPersistentPoints[FRAME_IDX] != system->persistentPoints.size())
+        {
+            // Update Buffer
+            system->numPersistentPoints[FRAME_IDX] = system->persistentPoints.size();
+            const uint32_t DATA_SIZE = sizeof(PointVertex) * system->persistentPoints.size();
+            if (DATA_SIZE > 0)
+            {
+                system->persistentVertexBuffers[FRAME_IDX]->WriteToMemory(system->persistentPoints.data(), DATA_SIZE, 0, 0);
+            }
+
+            // Reset Flag
+            system->persistentBuffersCleared[FRAME_IDX] = false;
+        }
     }
     
     /*---------------------------------------------------------------------------------*/
@@ -75,31 +96,63 @@ namespace SHADE
             const uint32_t FRAME_IDX = GFX_SYSTEM->GetCurrentFrameIndex();
 
             // Don't draw if no points
-            if (numPoints[FRAME_IDX] <= 0)
+            if (numPoints[FRAME_IDX] > 0)
-              return;
+            {
+                cmdBuffer->BindPipeline(GFX_SYSTEM->GetDebugDrawPipeline());
+                cmdBuffer->SetLineWidth(LineWidth);
+                cmdBuffer->BindVertexBuffer(0, vertexBuffers[FRAME_IDX], 0);
+                cmdBuffer->DrawArrays(numPoints[FRAME_IDX], 1, 0, 0);
+            }
+        });
+        auto subPassWithDepth = renderGraph->GetNode("Debug Draw with Depth")->GetSubpass("Debug Draw with Depth");
+        subPassWithDepth->AddExteriorDrawCalls([this, GFX_SYSTEM](Handle<SHVkCommandBuffer>& cmdBuffer)
+        {
+            // Get Current frame index
+            const uint32_t FRAME_IDX = GFX_SYSTEM->GetCurrentFrameIndex();
 
-            cmdBuffer->BindPipeline(GFX_SYSTEM->GetDebugDrawPipeline());
+            // Don't draw if no points
-            cmdBuffer->SetLineWidth(LineWidth);
+            if (numPersistentPoints[FRAME_IDX] > 0)
-            cmdBuffer->BindVertexBuffer(0, vertexBuffers[FRAME_IDX], 0);
+            {
-            cmdBuffer->DrawArrays(numPoints[FRAME_IDX], 1, 0, 0);
+                cmdBuffer->BindPipeline(GFX_SYSTEM->GetDebugDrawDepthPipeline());
+                cmdBuffer->SetLineWidth(LineWidth);
+                cmdBuffer->BindVertexBuffer(0, persistentVertexBuffers[FRAME_IDX], 0);
+                cmdBuffer->DrawArrays(numPersistentPoints[FRAME_IDX], 1, 0, 0);
+            }
         });
 
         // Reset trackers
         std::fill_n(numPoints.begin(), numPoints.size(), 0);
+        std::fill_n(numPersistentPoints.begin(), numPersistentPoints.size(), 0);
+        for (bool& cleared : persistentBuffersCleared)
+          cleared = true;
 
         // Allocate buffers
+        // - Non-Persistent Draws
         static constexpr uint32_t BUFFER_SIZE = MAX_POINTS * sizeof(PointVertex);
         for (Handle<SHVkBuffer>& bufHandle : vertexBuffers)
         {
-          bufHandle = GFX_SYSTEM->GetDevice()->CreateBuffer
+            bufHandle = GFX_SYSTEM->GetDevice()->CreateBuffer
-          (
+            (
-            BUFFER_SIZE,
+                BUFFER_SIZE,
-            nullptr,
+                nullptr,
-            0,
+                0,
-            vk::BufferUsageFlagBits::eVertexBuffer,
+                vk::BufferUsageFlagBits::eVertexBuffer,
-            VmaMemoryUsage::VMA_MEMORY_USAGE_AUTO,
+                VmaMemoryUsage::VMA_MEMORY_USAGE_AUTO,
-            VmaAllocationCreateFlagBits::VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VmaAllocationCreateFlagBits::VMA_ALLOCATION_CREATE_MAPPED_BIT
+                VmaAllocationCreateFlagBits::VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VmaAllocationCreateFlagBits::VMA_ALLOCATION_CREATE_MAPPED_BIT
-          );
+            );
+        }
+        // - Persistent Draws
+        for (Handle<SHVkBuffer>& bufHandle : persistentVertexBuffers)
+        {
+            bufHandle = GFX_SYSTEM->GetDevice()->CreateBuffer
+            (
+                BUFFER_SIZE,
+                nullptr,
+                0,
+                vk::BufferUsageFlagBits::eVertexBuffer,
+                VmaMemoryUsage::VMA_MEMORY_USAGE_AUTO,
+                VmaAllocationCreateFlagBits::VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VmaAllocationCreateFlagBits::VMA_ALLOCATION_CREATE_MAPPED_BIT
+            );
         }
     }
 
@@ -110,6 +163,11 @@ namespace SHADE
             if (vertexBuffer)
                 vertexBuffer.Free();
         }
+        for (auto vertexBuffer : persistentVertexBuffers)
+        {
+          if (vertexBuffer)
+            vertexBuffer.Free();
+        }
     }
 
     /*---------------------------------------------------------------------------------*/
@@ -117,54 +175,120 @@ namespace SHADE
     /*---------------------------------------------------------------------------------*/
     void SHDebugDrawSystem::DrawLine(const SHVec4& color, const SHVec3& startPt, const SHVec3& endPt)
     {
-        if (points.size() > MAX_POINTS)
+        drawLine(points, color, startPt, endPt);
+    }
+
+    void SHDebugDrawSystem::DrawTri(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3)
+    {
+        drawPoly(points, color, { pt1, pt2, pt3 });
+    }
+
+    void SHDebugDrawSystem::DrawQuad(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3, const SHVec3& pt4)
+    {
+        drawPoly(points, color, { pt1, pt2, pt3, pt4 });
+    }
+
+    void SHDebugDrawSystem::DrawPoly(const SHVec4& color, std::initializer_list<SHVec3> pointList)
+    {
+        drawPoly(points, color, pointList.begin(), pointList.end());
+    }
+
+    void SHDebugDrawSystem::DrawCube(const SHVec4& color, const SHVec3& pos, const SHVec3& size)
+    {
+        drawCube(points, color, pos, size);
+    }
+
+    void SHDebugDrawSystem::DrawSphere(const SHVec4& color, const SHVec3& pos, double radius)
+    {
+        drawSphere(points, color, pos, radius);
+    }
+
+    /*---------------------------------------------------------------------------------*/
+    /* Persistent Draw Functions                                                       */
+    /*---------------------------------------------------------------------------------*/
+    void SHDebugDrawSystem::DrawPersistentLine(const SHVec4& color, const SHVec3& startPt, const SHVec3& endPt)
+    {
+        drawLine(persistentPoints, color, startPt, endPt);
+    }
+
+    void SHDebugDrawSystem::DrawPersistentTri(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3)
+    {
+        drawPoly(persistentPoints, color, { pt1, pt2, pt3 });
+    }
+
+    void SHDebugDrawSystem::DrawPersistentQuad(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3, const SHVec3& pt4)
+    {
+        drawPoly(persistentPoints, color, { pt1, pt2, pt3, pt4 });
+    }
+
+    void SHDebugDrawSystem::DrawPersistentPoly(const SHVec4& color, std::initializer_list<SHVec3> pointList)
+    {
+        drawPoly(persistentPoints, color, pointList.begin(), pointList.end());
+    }
+
+    void SHDebugDrawSystem::DrawPersistentCube(const SHVec4& color, const SHVec3& pos, const SHVec3& size)
+    {
+        drawCube(persistentPoints, color, pos, size);
+    }
+
+    void SHDebugDrawSystem::DrawPersistentSphere(const SHVec4& color, const SHVec3& pos, double radius)
+    {
+        drawSphere(persistentPoints, color, pos, radius);
+    }
+
+    void SHDebugDrawSystem::ClearPersistentDraws()
+    {
+        persistentPoints.clear();
+        for (bool& cleared : persistentBuffersCleared)
+          cleared = true;
+    }
+
+    void SHDebugDrawSystem::drawLine(std::vector<PointVertex>& storage, const SHVec4& color, const SHVec3& startPt, const SHVec3& endPt)
+    {
+        if (storage.size() > MAX_POINTS)
         {
             SHLOG_WARNING("[DebugDraw] Exceeded maximum size of drawable debug elements.");
             return;
         }
 
-        points.emplace_back(PointVertex{ startPt, color });
+        storage.emplace_back(PointVertex{ startPt, color });
-        points.emplace_back(PointVertex{ endPt, color });
+        storage.emplace_back(PointVertex{ endPt, color });
     }
 
-    void SHDebugDrawSystem::DrawTri(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3)
+    void SHDebugDrawSystem::drawLineSet(std::vector<PointVertex>& storage, const SHVec4& color, std::initializer_list<SHVec3> pointList)
     {
-        DrawPoly(color, { pt1, pt2, pt3 });
+        drawLineSet(storage, color, pointList.begin(), pointList.end());
     }
 
-    void SHDebugDrawSystem::DrawQuad(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3, const SHVec3& pt4)
+    void SHDebugDrawSystem::drawPoly(std::vector<PointVertex>& storage, const SHVec4& color, std::initializer_list<SHVec3> pointList)
     {
-        DrawPoly(color, { pt1, pt2, pt3, pt4 });
+        drawPoly(storage, color, pointList.begin(), pointList.end());
     }
 
-    void SHDebugDrawSystem::DrawPoly(const SHVec4& color, std::initializer_list<SHVec3> pointList)
+    void SHDebugDrawSystem::drawCube(std::vector<PointVertex>& storage, const SHVec4& color, const SHVec3& pos, const SHVec3& size)
     {
-        DrawPoly(color, pointList.begin(), pointList.end());
+        static const SHVec3 EXTENTS = SHVec3{ 0.5f, 0.5f, 0.5f };
-    }
+        static const SHVec3 UNIT_BOT_LEFT_FRONT = SHVec3{ pos - EXTENTS };
+        static const SHVec3 UNIT_BOT_RIGHT_FRONT = SHVec3{ pos + SHVec3 {  EXTENTS.x, -EXTENTS.y, -EXTENTS.z } };
+        static const SHVec3 UNIT_BOT_RIGHT_BACK = SHVec3{ pos + SHVec3 {  EXTENTS.x, -EXTENTS.y,  EXTENTS.z } };
+        static const SHVec3 UNIT_BOT_LEFT_BACK = SHVec3{ pos + SHVec3 { -EXTENTS.x, -EXTENTS.y,  EXTENTS.z } };
+        static const SHVec3 UNIT_TOP_LEFT_BACK = SHVec3{ pos + SHVec3 { -EXTENTS.x,  EXTENTS.y,  EXTENTS.z } };
+        static const SHVec3 UNIT_TOP_RIGHT_FRONT = SHVec3{ pos + SHVec3 {  EXTENTS.x,  EXTENTS.y, -EXTENTS.z } };
+        static const SHVec3 UNIT_TOP_LEFT_FRONT = SHVec3{ pos + SHVec3 { -EXTENTS.x,  EXTENTS.y, -EXTENTS.z } };
+        static const SHVec3 UNIT_TOP_RIGHT_BACK = SHVec3{ pos + EXTENTS };
 
-    void SHDebugDrawSystem::DrawCube(const SHVec4& color, const SHVec3& pos, const SHVec3& size)
+        const SHVec3 BOT_LEFT_BACK = UNIT_BOT_LEFT_BACK * size;
-    {
+        const SHVec3 BOT_RIGHT_BACK = UNIT_BOT_RIGHT_BACK * size;
-        static const SHVec3 EXTENTS = SHVec3 { 0.5f, 0.5f, 0.5f };
+        const SHVec3 BOT_LEFT_FRONT = UNIT_BOT_LEFT_FRONT * size;
-        static const SHVec3 UNIT_BOT_LEFT_FRONT  = SHVec3 { pos - EXTENTS };
-        static const SHVec3 UNIT_BOT_RIGHT_FRONT = SHVec3 { pos + SHVec3 {  EXTENTS.x, -EXTENTS.y, -EXTENTS.z } };
-        static const SHVec3 UNIT_BOT_RIGHT_BACK  = SHVec3 { pos + SHVec3 {  EXTENTS.x, -EXTENTS.y,  EXTENTS.z } };
-        static const SHVec3 UNIT_BOT_LEFT_BACK   = SHVec3 { pos + SHVec3 { -EXTENTS.x, -EXTENTS.y,  EXTENTS.z } };
-        static const SHVec3 UNIT_TOP_LEFT_BACK   = SHVec3 { pos + SHVec3 { -EXTENTS.x,  EXTENTS.y,  EXTENTS.z } };
-        static const SHVec3 UNIT_TOP_RIGHT_FRONT = SHVec3 { pos + SHVec3 {  EXTENTS.x,  EXTENTS.y, -EXTENTS.z } };
-        static const SHVec3 UNIT_TOP_LEFT_FRONT  = SHVec3 { pos + SHVec3 { -EXTENTS.x,  EXTENTS.y, -EXTENTS.z } };
-        static const SHVec3 UNIT_TOP_RIGHT_BACK  = SHVec3 { pos + EXTENTS };
-        
-        const SHVec3 BOT_LEFT_BACK   = UNIT_BOT_LEFT_BACK   * size;
-        const SHVec3 BOT_RIGHT_BACK  = UNIT_BOT_RIGHT_BACK  * size;
-        const SHVec3 BOT_LEFT_FRONT  = UNIT_BOT_LEFT_FRONT  * size;
         const SHVec3 BOT_RIGHT_FRONT = UNIT_BOT_RIGHT_FRONT * size;
-        const SHVec3 TOP_LEFT_BACK   = UNIT_TOP_LEFT_BACK   * size;
+        const SHVec3 TOP_LEFT_BACK = UNIT_TOP_LEFT_BACK * size;
-        const SHVec3 TOP_RIGHT_BACK  = UNIT_TOP_RIGHT_BACK  * size;
+        const SHVec3 TOP_RIGHT_BACK = UNIT_TOP_RIGHT_BACK * size;
-        const SHVec3 TOP_LEFT_FRONT  = UNIT_TOP_LEFT_FRONT  * size;
+        const SHVec3 TOP_LEFT_FRONT = UNIT_TOP_LEFT_FRONT * size;
         const SHVec3 TOP_RIGHT_FRONT = UNIT_TOP_RIGHT_FRONT * size;
 
-        DrawPoly
+        drawLineSet
         (
+            storage,
             color,
             {
                 // Bottom Square
@@ -186,7 +310,7 @@ namespace SHADE
         );
     }
 
-    void SHDebugDrawSystem::DrawSphere(const SHVec4& color, const SHVec3& pos, double radius)
+    void SHDebugDrawSystem::drawSphere(std::vector<PointVertex>& storage, const SHVec4& color, const SHVec3& pos, double radius)
     {
         if (spherePoints.empty())
         {
@@ -197,6 +321,6 @@ namespace SHADE
                 spherePoints.emplace_back(SPHERE.VertexPositions[idx]);
             }
         }
-        DrawPoly(color, spherePoints.begin(), spherePoints.end());
+        drawLineSet(storage, color, spherePoints.begin(), spherePoints.end());
     }
 }

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHDebugDrawSystem.h

@@ -126,6 +126,82 @@ namespace SHADE
     /// <param name="size">Size of the rendered sphere.</param>
     void DrawSphere(const SHVec4& color, const SHVec3& pos, double radius);
 
+    /*---------------------------------------------------------------------------------*/
+    /* Persistent Draw Functions                                                       */
+    /*---------------------------------------------------------------------------------*/
+    /// <summary>
+    /// Renders a line between two points in world space that will persist until
+    /// ClearPersistentDraws() is called. These lines are depth tested.
+    /// </summary>
+    /// <param name="color">Colour of the line.</param>
+    /// <param name="startPt">First point of the line.</param>
+    /// <param name="endPt">Second point of the line.</param>
+    void DrawPersistentLine(const SHVec4& color, const SHVec3& startPt, const SHVec3& endPt);
+    /// <summary>
+    /// Renders a triangle indicated by three points in world space that will persist 
+    /// until ClearPersistentDraws() is called. These lines are depth tested.
+    /// </summary>
+    /// <param name="color">Colour of the triangle.</param>
+    /// <param name="pt1">First point of the triangle.</param>
+    /// <param name="pt2">Second point of the triangle.</param>
+    /// <param name="pt3">Third point of the triangle.</param>
+    void DrawPersistentTri(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3);
+    /// <summary>
+    /// Renders a quadrilateral indicated by four points in world space that will persist
+    /// until ClearPersistentDraws() is called. These lines are depth tested.
+    /// </summary>
+    /// <param name="color">Colour of the quadrilateral.</param>
+    /// <param name="pt1">First point of the triangle.</param>
+    /// <param name="pt2">Second point of the quadrilateral.</param>
+    /// <param name="pt3">Third point of the quadrilateral.</param>
+    /// <param name="pt4">Third point of the quadrilateral.</param>
+    void DrawPersistentQuad(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3, const SHVec3& pt4);
+    /// <summary>
+    /// Renders a polygon indicated by the specified set of points in world space that 
+    /// will persist until ClearPersistentDraws() is called. These lines are depth 
+    /// tested.
+    /// </summary>
+    /// <param name="color">Colour of the polygon.</param>
+    /// <param name="pointList">List of points for the polygon.</param>
+    void DrawPersistentPoly(const SHVec4& color, std::initializer_list<SHVec3> pointList);
+    /// <summary>
+    /// Renders a polygon indicated by the specified set of points in world space that 
+    /// will persist until ClearPersistentDraws() is called. These lines are depth 
+    /// tested.
+    /// </summary>
+    /// <typeparam name="IterType">Iterator for a STL-like container.</typeparam>
+    /// <param name="color">Colour of the polygon.</param>
+    /// <param name="pointListBegin">
+    /// Iterator to the first point of the point container.
+    /// </param>
+    /// <param name="pointListEnd">
+    /// One past last iterator of the point container.
+    /// </param>
+    template<typename IterType>
+    void DrawPersistentPoly(const SHVec4& color, IterType pointListBegin, IterType pointListEnd);
+    /// <summary>
+    /// Renders a wireframe cube centered around the position specified in world space
+    /// that will persist until  ClearPersistentDraws() is called. These lines are depth
+    /// tested.
+    /// </summary>
+    /// <param name="color">Colour of the cube.</param>
+    /// <param name="pos">Position where the cube wil be centered at.</param>
+    /// <param name="size">Size of the rendered cube.</param>
+    void DrawPersistentCube(const SHVec4& color, const SHVec3& pos, const SHVec3& size);
+    /// <summary>
+    /// Renders a wireframe sphere centered around the position specified in world space 
+    /// that will persist until  ClearPersistentDraws() is called. These lines are depth 
+    /// tested.
+    /// </summary>
+    /// <param name="color">Colour of the sphere.</param>
+    /// <param name="pos">Position where the sphere wil be centered at.</param>
+    /// <param name="size">Size of the rendered sphere.</param>
+    void DrawPersistentSphere(const SHVec4& color, const SHVec3& pos, double radius);
+    /// <summary>
+    /// Clears any persistent drawn debug primitives.
+    /// </summary>
+    void ClearPersistentDraws();
+
     private:
     /*---------------------------------------------------------------------------------*/
     /* Type Definitions                                                                */
@@ -136,7 +212,8 @@ namespace SHADE
         SHVec4 Color;
     };
     using TripleBuffer = std::array<Handle<SHVkBuffer>, SHGraphicsConstants::NUM_FRAME_BUFFERS>;
-    using TripleUInt = std::array<uint32_t, SHGraphicsConstants::NUM_FRAME_BUFFERS>;
+    using TripleUInt   = std::array<uint32_t          , SHGraphicsConstants::NUM_FRAME_BUFFERS>;
+    using TripleBool   = std::array<bool              , SHGraphicsConstants::NUM_FRAME_BUFFERS>;
 
     /*---------------------------------------------------------------------------------*/
     /* Constants                                                                       */
@@ -148,11 +225,28 @@ namespace SHADE
     /*---------------------------------------------------------------------------------*/
     // CPU Buffers
     std::vector<PointVertex> points;
+    std::vector<PointVertex> persistentPoints;
     // GPU Buffers
     TripleBuffer vertexBuffers;
     TripleUInt   numPoints;
+    TripleBuffer persistentVertexBuffers;
+    TripleUInt   numPersistentPoints;
+    TripleBool   persistentBuffersCleared;
     // Cached Points for polygon drawing
     std::vector<SHVec3> spherePoints;
+
+    /*---------------------------------------------------------------------------------*/
+    /* Helper Draw Functions                                                           */
+    /*---------------------------------------------------------------------------------*/
+    void drawLine(std::vector<PointVertex>& storage, const SHVec4& color, const SHVec3& startPt, const SHVec3& endPt);
+    void drawLineSet(std::vector<PointVertex>& storage, const SHVec4& color, std::initializer_list<SHVec3> pointList);
+    template<typename IterType>
+    void drawLineSet(std::vector<PointVertex>& storage, const SHVec4& color, IterType pointListBegin, IterType pointListEnd);
+    void drawPoly(std::vector<PointVertex>& storage, const SHVec4& color, std::initializer_list<SHVec3> pointList);
+    template<typename IterType>
+    void drawPoly(std::vector<PointVertex>& storage, const SHVec4& color, IterType pointListBegin, IterType pointListEnd);
+    void drawCube(std::vector<PointVertex>& storage, const SHVec4& color, const SHVec3& pos, const SHVec3& size);
+    void drawSphere(std::vector<PointVertex>& storage, const SHVec4& color, const SHVec3& pos, double radius);
   };
 }
 

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHDebugDrawSystem.hpp

@@ -20,12 +20,21 @@ namespace SHADE
   /*-----------------------------------------------------------------------------------*/
   template<typename IterType>
   void SHDebugDrawSystem::DrawPoly(const SHVec4& color, IterType pointListBegin, IterType pointListEnd)
+  {
+    drawPoly(points, color, pointListBegin, pointListEnd);
+  }
+
+  /*-----------------------------------------------------------------------------------*/
+  /* Helper Draw Functions                                                             */
+  /*-----------------------------------------------------------------------------------*/
+  template<typename IterType>
+  void SHDebugDrawSystem::drawLineSet(std::vector<PointVertex>& storage, const SHVec4& color, IterType pointListBegin, IterType pointListEnd)
   {
     // Ensure dereferenced type is SHVec3
     static_assert(std::is_same_v<SHVec3, std::remove_cvref_t<decltype(*pointListBegin)>>, "Parameters to DrawPoly must be SHVec3.");
 
     // Check if points exceeded max
-    if (points.size() > MAX_POINTS)
+    if (storage.size() > MAX_POINTS)
     {
       SHLOG_WARNING("[DebugDraw] Exceeded maximum size of drawable debug elements.");
       return;
@@ -42,7 +51,39 @@ namespace SHADE
     const size_t POINTS_ROUNDED_COUNT = POINTS_COUNT / 2 * 2;
     for (auto pointIter = pointListBegin; pointIter != (pointListBegin + POINTS_ROUNDED_COUNT); ++pointIter)
     {
-      points.emplace_back(PointVertex{ *pointIter, color });
+      storage.emplace_back(PointVertex{ *pointIter, color });
     }
   }
+  template<typename IterType>
+  void SHDebugDrawSystem::drawPoly(std::vector<PointVertex>& storage, const SHVec4& color, IterType pointListBegin, IterType pointListEnd)
+  {
+    // Ensure dereferenced type is SHVec3
+    static_assert(std::is_same_v<SHVec3, std::remove_cvref_t<decltype(*pointListBegin)>>, "Parameters to DrawPoly must be SHVec3.");
+
+    // Check if points exceeded max
+    if (storage.size() > MAX_POINTS)
+    {
+      SHLOG_WARNING("[DebugDraw] Exceeded maximum size of drawable debug elements.");
+      return;
+    }
+
+    const size_t POINTS_COUNT = pointListEnd - pointListBegin;
+    // Invalid polygon
+    if (POINTS_COUNT < 2)
+    {
+      SHLOG_WARNING("[SHDebugDraw] Invalid polygon provided to DrawPoly().");
+      return;
+    }
+
+    // Trace the polygon
+    for (auto pointIter = pointListBegin + 1; pointIter != pointListEnd; ++pointIter)
+    {
+      storage.emplace_back(PointVertex{ *(pointIter - 1), color });
+      storage.emplace_back(PointVertex{ *pointIter      , color });
+    }
+
+    // Close the line loop
+    storage.emplace_back(PointVertex{ *(pointListEnd - 1), color });
+    storage.emplace_back(PointVertex{ *pointListBegin    , color });
+  }
 }

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsConstants.h

@@ -70,7 +70,17 @@ namespace SHADE
       */
       /***************************************************************************/
       static constexpr uint32_t RENDERGRAPH_RESOURCE = 4;
-
+      /***************************************************************************/
+      /*!
+        \brief
+          DescriptorSet Index for render graph node compute resources. For data 
+          that we wish to pass to compute shaders in the render graph, this is
+          the set to use. Unlike the sets from 1 to 3, this set index does not have
+          hard coded bindings and is NOT part of the layouts included in the global
+          data.
+      */
+      /***************************************************************************/
+      static constexpr uint32_t RENDERGRAPH_NODE_COMPUTE_RESOURCE = 5;
 
     };
 
@@ -119,6 +129,7 @@ namespace SHADE
       */
       /***************************************************************************/
       static constexpr uint32_t BATCHED_PER_INST_DATA = 0;
+
     };
 
     struct VertexBufferBindings

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.cpp

@@ -40,6 +40,7 @@ of DigiPen Institute of Technology is prohibited.
 #include "Assets/SHAssetManager.h"
 #include "Resource/SHResourceManager.h"
 #include "Graphics/SHVkUtil.h"
+#include "Graphics/RenderGraph/SHRenderGraphNodeCompute.h"
 
 namespace SHADE
 {
@@ -115,6 +116,8 @@ namespace SHADE
     static constexpr AssetID VS_DEBUG     = 48002439; debugVertShader         = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_DEBUG);
     static constexpr AssetID FS_DEBUG     = 36671027; debugFragShader         = SHResourceManager::LoadOrGet<SHVkShaderModule>(FS_DEBUG);
     static constexpr AssetID CS_COMPOSITE = 45072428; deferredCompositeShader = SHResourceManager::LoadOrGet<SHVkShaderModule>(CS_COMPOSITE);
+    static constexpr AssetID SSAO         = 38430899; ssaoShader              = SHResourceManager::LoadOrGet<SHVkShaderModule>(SSAO);
+    static constexpr AssetID SSAO_BLUR    = 39760835; ssaoBlurShader          = SHResourceManager::LoadOrGet<SHVkShaderModule>(SSAO_BLUR);
   }
 
   void SHGraphicsSystem::InitSceneRenderGraph(void) noexcept
@@ -153,52 +156,109 @@ namespace SHADE
       renderContextCmdPools[i] = renderContext.GetFrameData(i).cmdPoolHdls[0];
     }
 
+    /*-----------------------------------------------------------------------*/
+    /* SCENE RENDER GRAPH RESOURCES                                          */
+    /*-----------------------------------------------------------------------*/
     // Initialize world render graph
     worldRenderGraph->Init(device, swapchain);
     worldRenderGraph->AddResource("Position",            { SH_ATT_DESC_TYPE_FLAGS::COLOR, SH_ATT_DESC_TYPE_FLAGS::INPUT, SH_ATT_DESC_TYPE_FLAGS::STORAGE }, windowDims.first, windowDims.second, vk::Format::eR32G32B32A32Sfloat);
     worldRenderGraph->AddResource("Normals",             { SH_ATT_DESC_TYPE_FLAGS::COLOR, SH_ATT_DESC_TYPE_FLAGS::INPUT, SH_ATT_DESC_TYPE_FLAGS::STORAGE }, windowDims.first, windowDims.second, vk::Format::eR32G32B32A32Sfloat);
+    //worldRenderGraph->AddResource("Tangents",            { SH_ATT_DESC_TYPE_FLAGS::COLOR, SH_ATT_DESC_TYPE_FLAGS::INPUT, SH_ATT_DESC_TYPE_FLAGS::STORAGE }, windowDims.first, windowDims.second, vk::Format::eR32G32B32A32Sfloat);
     worldRenderGraph->AddResource("Albedo",              { SH_ATT_DESC_TYPE_FLAGS::COLOR, SH_ATT_DESC_TYPE_FLAGS::INPUT, SH_ATT_DESC_TYPE_FLAGS::STORAGE }, windowDims.first, windowDims.second);
     worldRenderGraph->AddResource("Depth Buffer",        { SH_ATT_DESC_TYPE_FLAGS::DEPTH_STENCIL }, windowDims.first, windowDims.second, vk::Format::eD32SfloatS8Uint);
     worldRenderGraph->AddResource("Entity ID",           { SH_ATT_DESC_TYPE_FLAGS::COLOR }, windowDims.first, windowDims.second, vk::Format::eR32Uint, 1, vk::ImageUsageFlagBits::eTransferSrc);  
     worldRenderGraph->AddResource("Light Layer Indices", { SH_ATT_DESC_TYPE_FLAGS::COLOR, SH_ATT_DESC_TYPE_FLAGS::INPUT, SH_ATT_DESC_TYPE_FLAGS::STORAGE }, windowDims.first, windowDims.second, vk::Format::eR32Uint, 1, vk::ImageUsageFlagBits::eTransferSrc);
     worldRenderGraph->AddResource("Scene",               { SH_ATT_DESC_TYPE_FLAGS::COLOR, SH_ATT_DESC_TYPE_FLAGS::INPUT, SH_ATT_DESC_TYPE_FLAGS::STORAGE }, windowDims.first, windowDims.second);
+    worldRenderGraph->AddResource("SSAO", { SH_ATT_DESC_TYPE_FLAGS::COLOR, SH_ATT_DESC_TYPE_FLAGS::INPUT, SH_ATT_DESC_TYPE_FLAGS::STORAGE }, windowDims.first, windowDims.second, vk::Format::eR8Unorm);
+    worldRenderGraph->AddResource("SSAO Blur", { SH_ATT_DESC_TYPE_FLAGS::COLOR, SH_ATT_DESC_TYPE_FLAGS::INPUT, SH_ATT_DESC_TYPE_FLAGS::STORAGE }, windowDims.first, windowDims.second, vk::Format::eR8Unorm);
 
+    /*-----------------------------------------------------------------------*/
+    /* MAIN NODE                                                             */
+    /*-----------------------------------------------------------------------*/
     auto gBufferNode = worldRenderGraph->AddNode("G-Buffer", 
       {
         "Position",            
         "Entity ID",          
         "Light Layer Indices",
         "Normals",
+        //"Tangents",
         "Albedo",
         "Depth Buffer",       
-        "Scene"           
+        "Scene",
+        "SSAO",
+        "SSAO Blur"
       }, 
       {}); // no predecessors
 
+    /*-----------------------------------------------------------------------*/
+    /* G-BUFFER SUBPASS INIT                                                 */
+    /*-----------------------------------------------------------------------*/
     auto gBufferSubpass = gBufferNode->AddSubpass("G-Buffer Write");
     gBufferSubpass->AddColorOutput("Position");
     gBufferSubpass->AddColorOutput("Entity ID");
     gBufferSubpass->AddColorOutput("Light Layer Indices");
     gBufferSubpass->AddColorOutput("Normals");
+    //gBufferSubpass->AddColorOutput("Tangents");
     gBufferSubpass->AddColorOutput("Albedo");
     gBufferSubpass->AddDepthOutput("Depth Buffer", SH_ATT_DESC_TYPE_FLAGS::DEPTH_STENCIL);
 
-    // deferred composite
+    /*-----------------------------------------------------------------------*/
-    gBufferNode->AddNodeCompute(deferredCompositeShader, { "Position", "Normals", "Albedo", "Light Layer Indices", "Scene" });
+    /* SSAO PASS AND DATA INIT                                               */
+    /*-----------------------------------------------------------------------*/
+    ssaoStorage = resourceManager.Create<SHSSAO>();
 
-    // Set up Debug Draw Pass
+    ssaoTransferCmdBuffer = graphicsCmdPool->RequestCommandBuffer(SH_CMD_BUFFER_TYPE::PRIMARY);
-    auto debugDrawNode = worldRenderGraph->AddNode("Debug Draw", { "Scene" }, {"G-Buffer"});
+    ssaoTransferCmdBuffer->BeginRecording();
+
+    ssaoStorage->Init(device, ssaoTransferCmdBuffer);
+
+    ssaoTransferCmdBuffer->EndRecording();
+    graphicsQueue->SubmitCommandBuffer({ ssaoTransferCmdBuffer });
+    // Set up Debug Draw Passes
+    // - Depth Tested
+    auto debugDrawNodeDepth = worldRenderGraph->AddNode("Debug Draw with Depth", { "Scene", "Depth Buffer" }, {"G-Buffer"});
+    auto debugDrawDepthSubpass = debugDrawNodeDepth->AddSubpass("Debug Draw with Depth");
+    debugDrawDepthSubpass->AddColorOutput("Scene");
+    debugDrawDepthSubpass->AddDepthOutput("Depth Buffer");
+    // - No Depth Test
+    auto debugDrawNode = worldRenderGraph->AddNode("Debug Draw", { "Scene" }, { "Debug Draw with Depth" });
     auto debugDrawSubpass = debugDrawNode->AddSubpass("Debug Draw");
     debugDrawSubpass->AddColorOutput("Scene");
 
+    graphicsQueue->WaitIdle();
+
+    ssaoStorage->PrepareRotationVectorsVkData(device);
+
+    Handle<SHRenderGraphNodeCompute> ssaoPass = gBufferNode->AddNodeCompute(ssaoShader, {"Position", "Normals", "SSAO"});
+    auto ssaoDataBuffer = ssaoStorage->GetBuffer();
+    ssaoPass->ModifyWriteDescBufferComputeResource(SHGraphicsConstants::DescriptorSetIndex::RENDERGRAPH_NODE_COMPUTE_RESOURCE, SHSSAO::DESC_SET_BUFFER_BINDING, { &ssaoDataBuffer, 1 }, 0, ssaoStorage->GetBuffer()->GetSizeStored());
+    auto viewSamplerLayout = ssaoStorage->GetViewSamplerLayout();
+
+    ssaoPass->ModifyWriteDescImageComputeResource(SHGraphicsConstants::DescriptorSetIndex::RENDERGRAPH_NODE_COMPUTE_RESOURCE, SHSSAO::DESC_SET_IMAGE_BINDING, {&viewSamplerLayout, 1});
+
+
+    Handle<SHRenderGraphNodeCompute> ssaoBlurPass = gBufferNode->AddNodeCompute(ssaoBlurShader, { "SSAO", "SSAO Blur"});
+
+    /*-----------------------------------------------------------------------*/
+    /* DEFERRED COMPOSITE SUBPASS INIT                                       */
+    /*-----------------------------------------------------------------------*/
+    gBufferNode->AddNodeCompute(deferredCompositeShader, { "Position", "Normals", "Albedo", "Light Layer Indices", "SSAO Blur", "Scene" });
+
     // Dummy Node
     auto dummyNode = worldRenderGraph->AddNode("Dummy Pass", { "Scene" }, { "Debug Draw" }); // no predecessors
     auto dummySubpass = dummyNode->AddSubpass("Dummy Subpass");
     dummySubpass->AddInput("Scene");
 
+    /*-----------------------------------------------------------------------*/
+    /* GENERATE RENDER GRAPH                                                 */
+    /*-----------------------------------------------------------------------*/
     // Generate world render graph
     worldRenderGraph->Generate();
 
+
+    /*-----------------------------------------------------------------------*/
+    /* BIND RENDER GRAPH TO RENDERER                                         */
+    /*-----------------------------------------------------------------------*/
     // Add world renderer to default viewport
     worldRenderer = worldViewport->AddRenderer(resourceManager, swapchain->GetNumImages(), renderContextCmdPools, descPool, SHGraphicsGlobalData::GetDescSetLayouts()[SHGraphicsConstants::DescriptorSetIndex::HIGH_FREQUENCY_GLOBALS], worldRenderGraph);
     worldRenderer->SetCamera(worldCamera);
@@ -209,53 +269,8 @@ namespace SHADE
     defaultMaterial = AddMaterial(defaultVertShader, defaultFragShader, gBufferSubpass);
 
     // Create debug draw pipeline
-    auto debugDrawPipelineLayout = resourceManager.Create<SHVkPipelineLayout>
+    debugDrawPipeline      = createDebugDrawPipeline(debugDrawNode->GetRenderpass(), debugDrawSubpass);
-    (
+    debugDrawDepthPipeline = createDebugDrawPipeline(debugDrawNodeDepth->GetRenderpass(), debugDrawDepthSubpass);
-      device, SHPipelineLayoutParams
-      {
-        .shaderModules = { debugVertShader, debugFragShader },
-        .globalDescSetLayouts = SHGraphicsGlobalData::GetDescSetLayouts()
-      }
-    );
-    debugDrawPipeline = resourceManager.Create<SHVkPipeline>(device, debugDrawPipelineLayout, nullptr, debugDrawNode->GetRenderpass(), debugDrawSubpass);
-    debugDrawPipeline->GetPipelineState().SetRasterizationState(SHRasterizationState
-    {
-      .polygonMode = vk::PolygonMode::eLine,
-      .cull_mode = vk::CullModeFlagBits::eNone
-    });
-    debugDrawPipeline->GetPipelineState().SetInputAssemblyState(SHInputAssemblyState
-    {
-      .topology = vk::PrimitiveTopology::eLineList
-    });
-
-    SHVertexInputState debugDrawVertexInputState;
-    debugDrawVertexInputState.AddBinding(false, true, { SHVertexAttribute(SHAttribFormat::FLOAT_4D), SHVertexAttribute(SHAttribFormat::FLOAT_4D) });
-    debugDrawPipeline->GetPipelineState().SetVertexInputState(debugDrawVertexInputState);
-    SHColorBlendState colorBlendState{};
-    colorBlendState.logic_op_enable = VK_FALSE;
-    colorBlendState.logic_op = vk::LogicOp::eCopy;
-
-    auto const& subpassColorReferences = debugDrawSubpass->GetColorAttachmentReferences();
-    colorBlendState.attachments.reserve(subpassColorReferences.size());
-
-    for (auto& att : subpassColorReferences)
-    {
-      colorBlendState.attachments.push_back(vk::PipelineColorBlendAttachmentState
-        {
-          .blendEnable = SHVkUtil::IsBlendCompatible(debugDrawSubpass->GetFormatFromAttachmentReference(att.attachment)),
-          .srcColorBlendFactor = vk::BlendFactor::eSrcAlpha,
-          .dstColorBlendFactor = vk::BlendFactor::eOneMinusSrcAlpha,
-          .colorBlendOp = vk::BlendOp::eAdd,
-          .srcAlphaBlendFactor = vk::BlendFactor::eOne,
-          .dstAlphaBlendFactor = vk::BlendFactor::eZero,
-          .alphaBlendOp = vk::BlendOp::eAdd,
-          .colorWriteMask = vk::ColorComponentFlagBits::eR | vk::ColorComponentFlagBits::eG | vk::ColorComponentFlagBits::eB | vk::ColorComponentFlagBits::eA,
-        }
-      );
-    }
-
-    debugDrawPipeline->GetPipelineState().SetColorBlenState(colorBlendState);
-    debugDrawPipeline->ConstructPipeline();
   }
 
   void SHGraphicsSystem::InitMiddleEnd(void) noexcept
@@ -294,6 +309,7 @@ namespace SHADE
 
     lightingSubSystem = resourceManager.Create<SHLightingSubSystem>();
     lightingSubSystem->Init(device, descPool);
+
   }
 
 #ifdef SHEDITOR
@@ -399,6 +415,17 @@ namespace SHADE
     auto cameraSystem = SHSystemManager::GetSystem<SHCameraSystem>();
     
 
+    {
+#ifdef SHEDITOR
+      auto editorSystem = SHSystemManager::GetSystem<SHEditor>();
+      if (editorSystem->editorState != SHEditor::State::PLAY)
+        lightingSubSystem->Run(cameraSystem->GetEditorCamera()->GetViewMatrix(), frameIndex);
+      else
+        lightingSubSystem->Run(worldRenderer->GetCameraDirector()->GetViewMatrix(), frameIndex);
+#else
+      lightingSubSystem->Run(worldRenderer->GetCameraDirector()->GetViewMatrix(), frameIndex);
+#endif
+    }
 
     // For every viewport 
     for (int vpIndex = 0; vpIndex < static_cast<int>(viewports.size()); ++vpIndex)
@@ -435,8 +462,7 @@ namespace SHADE
             currentCmdBuffer->BindIndexBuffer(buffer, 0);
         }
 
-        // Bind the descriptor set for lights
+        lightingSubSystem->BindDescSet(currentCmdBuffer, frameIndex);
-        lightingSubSystem->Run(currentCmdBuffer, frameIndex);
 
         // Bind textures
         auto textureDescSet = texLibrary.GetTextureDescriptorSetGroup();
@@ -460,7 +486,7 @@ namespace SHADE
         {
           auto editorSystem = SHSystemManager::GetSystem<SHEditor>();
           if (editorSystem->editorState != SHEditor::State::PLAY)
-            worldRenderer->UpdateDataAndBind(currentCmdBuffer, frameIndex, SHMatrix::Transpose(cameraSystem->GetEditorCamera()->GetProjMatrix() * cameraSystem->GetEditorCamera()->GetViewMatrix()));
+            worldRenderer->UpdateDataAndBind(currentCmdBuffer, frameIndex, cameraSystem->GetEditorCamera()->GetViewMatrix(), cameraSystem->GetEditorCamera()->GetProjMatrix());
           else
             renderers[renIndex]->UpdateDataAndBind(currentCmdBuffer, frameIndex);
         }
@@ -867,5 +893,57 @@ namespace SHADE
     return worldRenderGraph->GetNode(G_BUFFER_RENDER_GRAPH_NODE_NAME.data());
   }
 
+  Handle<SHVkPipeline> SHGraphicsSystem::createDebugDrawPipeline(Handle<SHVkRenderpass> renderPass, Handle<SHSubpass> subpass)
+  {
+    auto pipelineLayout = resourceManager.Create<SHVkPipelineLayout>
+    (
+      device, SHPipelineLayoutParams
+      {
+        .shaderModules = { debugVertShader, debugFragShader },
+        .globalDescSetLayouts = SHGraphicsGlobalData::GetDescSetLayouts()
+      }
+    );
+    auto pipeline = resourceManager.Create<SHVkPipeline>(device, pipelineLayout, nullptr, renderPass, subpass);
+    pipeline->GetPipelineState().SetRasterizationState(SHRasterizationState
+    {
+      .polygonMode = vk::PolygonMode::eLine,
+      .cull_mode = vk::CullModeFlagBits::eNone
+    });
+    pipeline->GetPipelineState().SetInputAssemblyState(SHInputAssemblyState
+    {
+      .topology = vk::PrimitiveTopology::eLineList
+    });
+
+    SHVertexInputState debugDrawVertexInputState;
+    debugDrawVertexInputState.AddBinding(false, true, { SHVertexAttribute(SHAttribFormat::FLOAT_4D), SHVertexAttribute(SHAttribFormat::FLOAT_4D) });
+    pipeline->GetPipelineState().SetVertexInputState(debugDrawVertexInputState);
+    SHColorBlendState colorBlendState{};
+    colorBlendState.logic_op_enable = VK_FALSE;
+    colorBlendState.logic_op = vk::LogicOp::eCopy;
+
+    auto const& subpassColorReferences = subpass->GetColorAttachmentReferences();
+    colorBlendState.attachments.reserve(subpassColorReferences.size());
+
+    for (auto& att : subpassColorReferences)
+    {
+      colorBlendState.attachments.push_back(vk::PipelineColorBlendAttachmentState
+      {
+        .blendEnable = SHVkUtil::IsBlendCompatible(subpass->GetFormatFromAttachmentReference(att.attachment)),
+        .srcColorBlendFactor = vk::BlendFactor::eSrcAlpha,
+        .dstColorBlendFactor = vk::BlendFactor::eOneMinusSrcAlpha,
+        .colorBlendOp = vk::BlendOp::eAdd,
+        .srcAlphaBlendFactor = vk::BlendFactor::eOne,
+        .dstAlphaBlendFactor = vk::BlendFactor::eZero,
+        .alphaBlendOp = vk::BlendOp::eAdd,
+        .colorWriteMask = vk::ColorComponentFlagBits::eR | vk::ColorComponentFlagBits::eG | vk::ColorComponentFlagBits::eB | vk::ColorComponentFlagBits::eA,
+      });
+    }
+
+    pipeline->GetPipelineState().SetColorBlenState(colorBlendState);
+    pipeline->ConstructPipeline();
+
+    return pipeline;
+  }
+
 #pragma endregion MISC
 }

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.h

@@ -31,6 +31,7 @@ of DigiPen Institute of Technology is prohibited.
 #include "../Textures/SHVkSamplerCache.h"
 #include "Graphics/MiddleEnd/Interface/SHPostOffscreenRenderSystem.h"
 #include "Graphics/MiddleEnd/Lights/SHLightingSubSystem.h"
+#include "Graphics/MiddleEnd/PostProcessing/SHSSAO.h"
 
 namespace SHADE
 {
@@ -289,6 +290,7 @@ namespace SHADE
     Handle<SHPostOffscreenRenderSystem> GetPostOffscreenRenderSystem(void) const noexcept {return postOffscreenRender;};
     Handle<SHRenderGraphNode>           GetPrimaryRenderpass() const noexcept;
     Handle<SHVkPipeline>                GetDebugDrawPipeline(void) const noexcept { return debugDrawPipeline; }
+    Handle<SHVkPipeline>                GetDebugDrawDepthPipeline(void) const noexcept { return debugDrawDepthPipeline; }
     uint32_t                            GetCurrentFrameIndex(void) const noexcept { return renderContext.GetCurrentFrame(); }
 
     /*-----------------------------------------------------------------------------*/
@@ -315,6 +317,7 @@ namespace SHADE
     Handle<SHVkDescriptorPool>                                descPool;
     Handle<SHVkCommandPool>                                   graphicsCmdPool;
     Handle<SHVkCommandBuffer>                                 transferCmdBuffer;
+    Handle<SHVkCommandBuffer>                                 ssaoTransferCmdBuffer;
     Handle<SHVkCommandBuffer>                                 graphicsTexCmdBuffer;
     SHRenderContext                                           renderContext;
     std::array<Handle<SHVkSemaphore>, 2>                      graphSemaphores; 
@@ -351,10 +354,14 @@ namespace SHADE
     Handle<SHVkShaderModule>                                  debugVertShader;
     Handle<SHVkShaderModule>                                  debugFragShader;
     Handle<SHVkShaderModule>                                  deferredCompositeShader;
+    Handle<SHVkShaderModule>                                  ssaoShader;
+    Handle<SHVkShaderModule>                                  ssaoBlurShader;
+
 
     // Built-In Materials
     Handle<SHMaterial>                                        defaultMaterial;
     Handle<SHVkPipeline>                                      debugDrawPipeline;
+    Handle<SHVkPipeline>                                      debugDrawDepthPipeline;
 
     Handle<SHRenderGraph>                                     worldRenderGraph;
 
@@ -362,10 +369,15 @@ namespace SHADE
     Handle<SHMousePickSystem>                                 mousePickSystem;
     Handle<SHPostOffscreenRenderSystem>                       postOffscreenRender;
     Handle<SHLightingSubSystem>                               lightingSubSystem;
+    Handle<SHSSAO>                                            ssaoStorage;
 
-    uint32_t                                                  resizeWidth;
+    uint32_t                                                  resizeWidth = 1;
-    uint32_t                                                  resizeHeight;
+    uint32_t                                                  resizeHeight = 1;
-    bool restoredFromMinimize = false;
+    bool                                                      restoredFromMinimize = false;
 
+    /*---------------------------------------------------------------------------------*/
+    /* Helper Functions                                                                */
+    /*---------------------------------------------------------------------------------*/
+    Handle<SHVkPipeline> createDebugDrawPipeline(Handle<SHVkRenderpass> renderPass, Handle<SHSubpass> subpass);
   };
 }

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHRenderer.cpp

@@ -83,13 +83,14 @@ namespace SHADE
   {
     if (camera && cameraDirector)
     {
-      UpdateDataAndBind(cmdBuffer, frameIndex, SHMatrix::Transpose(cameraDirector->GetVPMatrix()));
+      //UpdateDataAndBind(cmdBuffer, frameIndex, SHMatrix::Transpose(cameraDirector->GetVPMatrix()));
+      UpdateDataAndBind(cmdBuffer, frameIndex, cameraDirector->GetViewMatrix(), cameraDirector->GetProjMatrix());
     }
   }
 
-  void SHRenderer::UpdateDataAndBind(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex, SHMatrix exteriorMatrix) noexcept
+  void SHRenderer::UpdateDataAndBind(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex, SHMatrix const& viewMatrix, SHMatrix const& projMatrix) noexcept
   {
-    SetViewProjectionMatrix(exteriorMatrix);
+    SetViewProjectionMatrix(viewMatrix, projMatrix);
 
     //cpuCameraData.viewProjectionMatrix = camera->GetViewProjectionMatrix();
     cameraBuffer->WriteToMemory(&cpuCameraData, sizeof(SHShaderCameraData), 0, cameraDataAlignedSize * frameIndex);
@@ -97,16 +98,19 @@ namespace SHADE
     std::array<uint32_t, 1> dynamicOffsets{ frameIndex * cameraDataAlignedSize };
 
     cmdBuffer->BindDescriptorSet(cameraDescriptorSet, SH_PIPELINE_TYPE::GRAPHICS, SHGraphicsConstants::DescriptorSetIndex::HIGH_FREQUENCY_GLOBALS, std::span{ dynamicOffsets.data(), 1 });
+    cmdBuffer->BindDescriptorSet(cameraDescriptorSet, SH_PIPELINE_TYPE::COMPUTE, SHGraphicsConstants::DescriptorSetIndex::HIGH_FREQUENCY_GLOBALS, std::span{ dynamicOffsets.data(), 1 });
   }
 
   void SHRenderer::UpdateCameraDataToBuffer(void) noexcept
   {
   }
 
-  void SHRenderer::SetViewProjectionMatrix(SHMatrix const& vpMatrix) noexcept
+  void SHRenderer::SetViewProjectionMatrix(SHMatrix const& viewMatrix, SHMatrix const& projMatrix) noexcept
   {
     //cpuCameraData.viewProjectionMatrix = camera->GetViewMatrix() * camera->GetProjectionMatrix();
-    cpuCameraData.viewProjectionMatrix = vpMatrix;
+    cpuCameraData.viewProjectionMatrix = SHMatrix::Transpose(projMatrix * viewMatrix);
+    cpuCameraData.viewMatrix = SHMatrix::Transpose(viewMatrix);
+    cpuCameraData.projectionMatrix = SHMatrix::Transpose(projMatrix);
   }
 
   Handle<SHRenderGraph> SHRenderer::GetRenderGraph(void) const noexcept
@@ -119,4 +123,9 @@ namespace SHADE
     return commandBuffers[frameIndex];
   }
 
+  Handle<SHCameraDirector> SHRenderer::GetCameraDirector(void) const noexcept
+  {
+    return cameraDirector;
+  }
+
 }

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHRenderer.h

@@ -46,6 +46,8 @@ namespace SHADE
     {
       SHVec4   cameraPosition;
       SHMatrix viewProjectionMatrix;
+      SHMatrix viewMatrix;
+      SHMatrix projectionMatrix;
     };
 
     /*---------------------------------------------------------------------------------*/
@@ -79,15 +81,16 @@ namespace SHADE
         /*-----------------------------------------------------------------------------*/
         void Draw(uint32_t frameIndex, Handle<SHVkDescriptorPool> descPool) noexcept;
         void UpdateDataAndBind(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex) noexcept;
-        void UpdateDataAndBind(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex, SHMatrix exteriorMatrix) noexcept;
+        void UpdateDataAndBind(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex, SHMatrix const& viewMatrix, SHMatrix const& projMatrix) noexcept;
         void UpdateCameraDataToBuffer (void) noexcept;
-        void SetViewProjectionMatrix (SHMatrix const& vpMatrix) noexcept;
+        void SetViewProjectionMatrix (SHMatrix const& viewMatrix, SHMatrix const& projMatrix) noexcept;
 
         /*-----------------------------------------------------------------------------*/
         /* Setters and Getters                                                         */
         /*-----------------------------------------------------------------------------*/
-        Handle<SHRenderGraph> GetRenderGraph (void) const noexcept;
+        Handle<SHRenderGraph>     GetRenderGraph (void) const noexcept;
         Handle<SHVkCommandBuffer> GetCommandBuffer(uint32_t frameIndex) const noexcept;
+        Handle<SHCameraDirector>  GetCameraDirector (void) const noexcept;
 
       private:
         /*-----------------------------------------------------------------------------*/

SHADE_Engine/src/Graphics/MiddleEnd/Lights/SHLightComponent.cpp

@@ -9,9 +9,9 @@ namespace SHADE
   {
     lightData.Reset();
     SetType(SH_LIGHT_TYPE::DIRECTIONAL);
-    indexInBuffer = std::numeric_limits<uint32_t>::max();
+    //indexInBuffer = std::numeric_limits<uint32_t>::max();
     isActive = true;
-    Unbind();
+    //Unbind();
   }
 
 
@@ -23,28 +23,28 @@ namespace SHADE
   void SHLightComponent::SetPosition(SHVec3 const& position) noexcept
   {
     lightData.position = position;
-    MakeDirty();
+    //MakeDirty();
   }
 
 
   void SHLightComponent::SetType(SH_LIGHT_TYPE type) noexcept
   {
     lightData.type = type;
-    MakeDirty();
+    //MakeDirty();
   }
 
 
   void SHLightComponent::SetDirection(SHVec3 const& direction) noexcept
   {
     lightData.direction = direction;
-    MakeDirty();
+    //MakeDirty();
   }
 
 
   void SHLightComponent::SetColor(SHVec4 const& color) noexcept
   {
     lightData.color = color;
-    MakeDirty();
+    //MakeDirty();
   }
 
   void SHLightComponent::ModifyCullingMask(uint8_t layerIndex, bool value) noexcept
@@ -54,7 +54,7 @@ namespace SHADE
     else
       lightData.cullingMask &= ~(1u << layerIndex);
 
-    MakeDirty();
+    //MakeDirty();
   }
 
   void SHLightComponent::SetCullingMask(uint32_t const& value) noexcept
@@ -65,43 +65,43 @@ namespace SHADE
   void SHLightComponent::SetAllLayers(void) noexcept
   {
     lightData.cullingMask = std::numeric_limits<uint32_t>::max();
-    MakeDirty();
+    //MakeDirty();
   }
 
 
   void SHLightComponent::ClearAllLayers(void) noexcept
   {
     lightData.cullingMask = 0;
-    MakeDirty();
+    //MakeDirty();
   }
 
-  void SHLightComponent::MakeDirty(void) noexcept
+  //void SHLightComponent::MakeDirty(void) noexcept
-  {
+  //{
-    dirty = true;
+  //  dirty = true;
-  }
+  //}
 
-  void SHLightComponent::ClearDirtyFlag(void) noexcept
+  //void SHLightComponent::ClearDirtyFlag(void) noexcept
-  {
+  //{
-    dirty = false;
+  //  dirty = false;
-  }
+  //}
 
-  void SHLightComponent::Unbind(void) noexcept
+//  void SHLightComponent::Unbind(void) noexcept
-  {
+//  {
-    bound = false;
+//    bound = false;
-    MakeDirty();
+//    MakeDirty();
-  }
+//  }
-
+//
-  void SHLightComponent::SetBound(uint32_t inIndexInBuffer) noexcept
+//  void SHLightComponent::SetBound(uint32_t inIndexInBuffer) noexcept
-{
+//{
-    bound = true;
+//    bound = true;
-    indexInBuffer = inIndexInBuffer;
+//    indexInBuffer = inIndexInBuffer;
-  }
+//  }
 
 
   void SHLightComponent::SetStrength(float value) noexcept
   {
     lightData.strength = value;
-    MakeDirty(); 
+    //MakeDirty(); 
   }
 
   SHLightData const& SHLightComponent::GetLightData(void) const noexcept
@@ -135,20 +135,20 @@ namespace SHADE
   }
 
 
-  bool SHLightComponent::IsDirty(void) const noexcept
+  //bool SHLightComponent::IsDirty(void) const noexcept
-  {
+  //{
-    return dirty;
+  //  return dirty;
-  }
+  //}
 
-  bool SHLightComponent::GetBound(void) const noexcept
+  //bool SHLightComponent::GetBound(void) const noexcept
-  {
+  //{
-    return bound;
+  //  return bound;
-  }
+  //}
 
-  uint32_t SHLightComponent::GetIndexInBuffer(void) const noexcept
+  //uint32_t SHLightComponent::GetIndexInBuffer(void) const noexcept
-  {
+  //{
-    return indexInBuffer;
+  //  return indexInBuffer;
-  }
+  //}
 
   float SHLightComponent::GetStrength(void) const noexcept
   {

SHADE_Engine/src/Graphics/MiddleEnd/Lights/SHLightComponent.h

@@ -17,13 +17,13 @@ namespace SHADE
     //! Since the lighting system is gonna be self contained and light weight, we store this
     //! so that we only write this to the CPU buffer when this light component change, we don't 
     //! rewrite everything. However we still write to the GPU buffer when everything changes.
-    uint32_t indexInBuffer;
+    //uint32_t indexInBuffer;
 
-    //! If the light component changed some value we mark this true.
+    ////! If the light component changed some value we mark this true.
-    bool dirty;
+    //bool dirty;
 
-    //! If the light's data is already in the buffers, this will be set to true.
+    ////! If the light's data is already in the buffers, this will be set to true.
-    bool bound;
+    //bool bound;
 
   	
   public:
@@ -44,10 +44,10 @@ namespace SHADE
     void SetCullingMask    (uint32_t const& value) noexcept;
     void SetAllLayers      (void) noexcept; // serialized
     void ClearAllLayers    (void) noexcept; // serialized
-    void MakeDirty         (void) noexcept; 
+    //void MakeDirty         (void) noexcept; 
-    void ClearDirtyFlag    (void) noexcept;
+    //void ClearDirtyFlag    (void) noexcept;
-    void Unbind            (void) noexcept; 
+    //void Unbind            (void) noexcept; 
-    void SetBound          (uint32_t inIndexInBuffer) noexcept;
+    //void SetBound          (uint32_t inIndexInBuffer) noexcept;
     void SetStrength       (float value) noexcept; // serialized
     
 
@@ -57,8 +57,8 @@ namespace SHADE
     SHVec3 const&      GetDirection     (void) const noexcept; // serialized
     SHVec4 const&      GetColor         (void) const noexcept; // serialized
     uint32_t const&    GetCullingMask   (void) const noexcept; // serialized
-    bool               IsDirty          (void) const noexcept;
+    //bool               IsDirty          (void) const noexcept;
-    bool               GetBound         (void) const noexcept;
+    //bool               GetBound         (void) const noexcept;
     uint32_t           GetIndexInBuffer (void) const noexcept;
     float              GetStrength      (void) const noexcept;
     RTTR_ENABLE()

SHADE_Engine/src/Graphics/MiddleEnd/Lights/SHLightingSubSystem.cpp

@@ -8,6 +8,8 @@
 #include "SHLightComponent.h"
 #include "ECS_Base/Managers/SHComponentManager.h"
 #include "SHLightComponent.h"
+#include "Math/Vector/SHVec4.h"
+#include "Math/SHMatrix.h"
 
 namespace SHADE
 {
@@ -31,7 +33,7 @@ namespace SHADE
   
   */ 
   /***************************************************************************/
-  void SHLightingSubSystem::PerTypeData::WriteLightToAddress(void* address, SHLightComponent* lightComp) noexcept
+  void SHLightingSubSystem::PerTypeData::WriteLightToAddress(void* address, SHMatrix const& viewMat, SHLightComponent* lightComp) noexcept
   {
     auto const& lightData = lightComp->GetLightData();
     switch (lightData.type)
@@ -40,8 +42,12 @@ namespace SHADE
     {
       SHDirectionalLightData* lightPtr = reinterpret_cast<SHDirectionalLightData*>(address);
 
+      // #NoteToSelf: NEED TO TRANSPOSE HERE BECAUSE MULTIPLICATION IS ROW MAJOR. 
+      SHVec4 transformedDir = SHMatrix::Transpose(viewMat) * SHVec4(lightData.direction[0], lightData.direction[1], lightData.direction[2], 0.0f);
+
       lightPtr->cullingMask = lightData.cullingMask;
-      lightPtr->direction = lightData.direction;
+      lightPtr->direction = SHVec3 (transformedDir.x, transformedDir.y, transformedDir.z);
+      //lightPtr->direction = lightData.direction;
       lightPtr->diffuseColor = lightData.color;
       lightPtr->active = lightComp->isActive;
       break;
@@ -240,7 +246,7 @@ namespace SHADE
 
   */
   /***************************************************************************/
-  void SHLightingSubSystem::PerTypeData::AddLight(Handle<SHVkLogicalDevice> logicalDevice, SHLightComponent* unboundLight, bool expanded) noexcept
+  void SHLightingSubSystem::PerTypeData::AddLight(Handle<SHVkLogicalDevice> logicalDevice, SHLightComponent* unboundLight, SHMatrix const& viewMat, bool& expanded) noexcept
   {
     if (unboundLight)
     {
@@ -259,10 +265,10 @@ namespace SHADE
       void* writeLocation = reinterpret_cast<uint8_t*>(intermediateData.get()) + (lightDataAlignedSize * numLights);
 
       // Write the light data to address
-      WriteLightToAddress(writeLocation, unboundLight);
+      WriteLightToAddress(writeLocation, viewMat, unboundLight);
 
       // Set the light component to be bound to that location
-      unboundLight->SetBound(numLights);
+      //unboundLight->SetBound(numLights);
 
       // Increase light count
       ++numLights;
@@ -280,11 +286,11 @@ namespace SHADE
    
   */ 
   /***************************************************************************/
-  void SHLightingSubSystem::PerTypeData::ModifyLight(SHLightComponent* lightComp) noexcept
+  //void SHLightingSubSystem::PerTypeData::ModifyLight(SHLightComponent* lightComp) noexcept
-  {
+  //{
-    void* writeLocation = reinterpret_cast<uint8_t*>(intermediateData.get()) + (lightDataAlignedSize * lightComp->GetIndexInBuffer());
+  //  void* writeLocation = reinterpret_cast<uint8_t*>(intermediateData.get()) + (lightDataAlignedSize * lightComp->GetIndexInBuffer());
-    WriteLightToAddress(writeLocation, lightComp);
+  //  WriteLightToAddress(writeLocation, lightComp);
-  }
+  //}
 
   void SHLightingSubSystem::PerTypeData::WriteToGPU(uint32_t frameIndex) noexcept
   {
@@ -406,7 +412,7 @@ namespace SHADE
     	dynamicOffsets[i].resize(NUM_LIGHT_TYPES + 1); // +1 for the count
     }
 
-    numLightComponents = 0;
+    //numLightComponents = 0;
   }
 
   /***************************************************************************/
@@ -419,21 +425,25 @@ namespace SHADE
     
   */
   /***************************************************************************/
-  void SHLightingSubSystem::Run(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex) noexcept
+  void SHLightingSubSystem::Run(SHMatrix const& viewMat, uint32_t frameIndex) noexcept
   {
     static uint32_t constexpr NUM_LIGHT_TYPES = SHUtilities::ToUnderlying(SH_LIGHT_TYPE::NUM_TYPES);
 
     auto& lightComps = SHComponentManager::GetDense<SHLightComponent>();
     bool expanded = false;
-    bool rewrite = false;
 
-    if (numLightComponents > lightComps.size())
+    // First we reset the number of lights. We do this every frame so that we can count how many lights we have
-    {
+    ResetNumLights();
-      rewrite = true;
-      ResetNumLights();
-    }
 
-    numLightComponents = lightComps.size();
+    //bool rewrite = false;
+
+    //if (numLightComponents > lightComps.size())
+    //{
+    //  rewrite = true;
+    //  ResetNumLights();
+    //}
+
+    //numLightComponents = lightComps.size();
 
     for (auto& light : lightComps)
     {
@@ -441,22 +451,22 @@ namespace SHADE
 
       // First we want to make sure the light is already bound to the system. if it
       // isn't, we write it to the correct buffer.
-      if (!light.GetBound() || rewrite)
+      //if (!light.GetBound() || rewrite)
       {
-        perTypeData[enumValue].AddLight(logicalDevice, &light, expanded);
+        perTypeData[enumValue].AddLight(logicalDevice, &light, viewMat, expanded);
 
-        //// add to light count
+        // add to light count
         //++lightCountsData[enumValue];
       }
 
       // if there was modification to the light data
-      if (light.IsDirty())
+      //if (light.IsDirty())
       {
         // Write the data to the CPU 
-        perTypeData[enumValue].ModifyLight(&light);
+        //perTypeData[enumValue].ModifyLight(&light);
 
         // Light is now updated in the container
-        light.ClearDirtyFlag();
+        //light.ClearDirtyFlag();
       }
     }
 
@@ -488,8 +498,6 @@ namespace SHADE
     // so we do it anyway. #NoteToSelf: if at any point it affects performance, do a check before computing.
     ComputeDynamicOffsets();
 
-    // Bind descriptor set (We bind at an offset because the buffer holds NUM_FRAME_BUFFERS sets of data).
-    cmdBuffer->BindDescriptorSet(lightingDataDescSet, SH_PIPELINE_TYPE::COMPUTE, SHGraphicsConstants::DescriptorSetIndex::DYNAMIC_GLOBALS, {dynamicOffsets[frameIndex]});
 
   }
 
@@ -505,4 +513,12 @@ namespace SHADE
   {
 
   }
+
+  void SHLightingSubSystem::BindDescSet(Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex) noexcept
+  {
+    //Bind descriptor set(We bind at an offset because the buffer holds NUM_FRAME_BUFFERS sets of data).
+    cmdBuffer->BindDescriptorSet(lightingDataDescSet, SH_PIPELINE_TYPE::COMPUTE, SHGraphicsConstants::DescriptorSetIndex::DYNAMIC_GLOBALS, { dynamicOffsets[frameIndex] });
+
+  }
+
 }

SHADE_Engine/src/Graphics/MiddleEnd/Lights/SHLightingSubSystem.h

@@ -95,15 +95,15 @@ namespace SHADE
       //! to the GPU that stores NUM_FRAME_BUFFERS copies. 
       std::unique_ptr<uint8_t[]> intermediateData;
 
-      void WriteLightToAddress (void* address, SHLightComponent* lightComp) noexcept;
+      void WriteLightToAddress (void* address, SHMatrix const& viewMat, SHLightComponent* lightComp) noexcept;
     public:
       /*-----------------------------------------------------------------------*/
       /* PUBLIC MEMBER FUNCTIONS                                               */
       /*-----------------------------------------------------------------------*/
       void InitializeData (Handle<SHVkLogicalDevice> logicalDevice, SH_LIGHT_TYPE type) noexcept;
       void Expand         (Handle<SHVkLogicalDevice> logicalDevice) noexcept;
-      void AddLight       (Handle<SHVkLogicalDevice> logicalDevice, SHLightComponent* unboundLight, bool expanded) noexcept;
+      void AddLight       (Handle<SHVkLogicalDevice> logicalDevice, SHLightComponent* unboundLight, SHMatrix const& viewMat, bool& expanded) noexcept;
-      void ModifyLight    (SHLightComponent* lightComp) noexcept;
+      //void ModifyLight    (SHLightComponent* lightComp) noexcept;
       void WriteToGPU     (uint32_t frameIndex) noexcept;
       void ResetNumLights (void) noexcept;
 
@@ -144,7 +144,7 @@ namespace SHADE
     //! Number of SHLightComponents recorded. If at the beginning of the run function the size returned by the dense
     //! set is less than the size recorded, rewrite all light components into the its respective buffers. If its more,
     //! don't do anything.
-    uint32_t                                                                  numLightComponents;
+    //uint32_t                                                                  numLightComponents;
 
     /*-----------------------------------------------------------------------*/
     /* PRIVATE MEMBER FUNCTIONS                                              */
@@ -159,8 +159,10 @@ namespace SHADE
     /* PUBLIC MEMBER FUNCTIONS                                               */
     /*-----------------------------------------------------------------------*/
     void Init (Handle<SHVkLogicalDevice> device, Handle<SHVkDescriptorPool> descPool) noexcept;
-    void Run (Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex) noexcept;
+    void Run (SHMatrix const& viewMat, uint32_t frameIndex) noexcept;
     void Exit (void) noexcept;
 
+    void BindDescSet (Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex) noexcept;
+
   };
 }

SHADE_Engine/src/Graphics/MiddleEnd/PostProcessing/SHSSAO.cpp

@@ -0,0 +1,138 @@
+#include "SHpch.h"
+#include "SHSSAO.h"
+#include "Graphics/Devices/SHVkLogicalDevice.h"
+#include "Graphics/Buffers/SHVkBuffer.h"
+#include "Graphics/Images/SHVkImage.h"
+#include "Graphics/Images/SHVkSampler.h"
+#include <random>
+
+namespace SHADE
+{
+  void SHSSAO::Init(Handle<SHVkLogicalDevice> logicalDevice, Handle<SHVkCommandBuffer> cmdBuffer) noexcept
+  {
+    // Initialize a distribution to get values from 0 to 1
+    std::uniform_real_distribution<float> distrib{0.0f, 1.0f};
+
+    // generator for random number
+    std::default_random_engine generator;
+
+    // generate samples
+    for (uint32_t i = 0; i < NUM_SAMPLES; ++i)
+    {
+      //SHVec3 temp
+      //{
+      //  distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
+      //  distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
+      //  distrib(generator),               //  0.0f - 1.0f so that sample space is a hemisphere
+      //};
+
+      //temp = SHVec3::Normalise(temp);
+      //temp *= distrib(generator);
+
+      //// This makes sure that most points are closer to fragment's position
+      //float scale = 1.0f / static_cast<float>(NUM_SAMPLES);
+      //scale = std::lerp(0.1f, 1.0f, scale * scale);
+      //temp *= scale;
+      //samples[i] = SHVec4 (temp.x, temp.y, temp.z, 0.0f);
+
+
+      samples[i] = SHVec4
+      {
+        distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
+        distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
+        distrib(generator),               //  0.0f - 1.0f so that sample space is a hemisphere
+        0.0f
+      };
+
+      // This makes sure that most points are closer to fragment's position
+      float scale = 1.0f / static_cast<float>(NUM_SAMPLES);
+      scale = std::lerp(0.1f, 1.0f, scale * scale);
+      samples[i] *= scale;
+    }
+
+    // generate rotation vector
+    for (uint32_t i = 0; i < NUM_ROTATION_VECTORS; ++i)
+    {
+      rotationVectors[i] = SHVec4
+      {
+        distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
+        distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
+        0.0f,                             // we want to rotate about the z axis in tangent space
+        0.0f
+      };
+    }
+
+    SHImageCreateParams imageDetails =
+    {
+      .imageType = vk::ImageType::e2D,
+      .width = NUM_ROTATION_VECTORS_W,
+      .height = NUM_ROTATION_VECTORS_H,
+      .depth = 1,
+      .levels = 1,
+      .arrayLayers = 1,
+      .imageFormat = vk::Format::eR32G32B32A32Sfloat,
+      .usageFlags = vk::ImageUsageFlagBits::eSampled | vk::ImageUsageFlagBits::eTransferDst,
+      .createFlags = {}
+    };
+
+    uint32_t mipOffset = 0;
+    rotationVectorsImage = logicalDevice->CreateImage(imageDetails, reinterpret_cast<unsigned char*>( rotationVectors.data()), static_cast<uint32_t>(sizeof(rotationVectors)), {&mipOffset, 1}, VMA_MEMORY_USAGE_AUTO, {});
+
+    vk::ImageMemoryBarrier transferBarrier{};
+    rotationVectorsImage->PrepareImageTransitionInfo(vk::ImageLayout::eUndefined, vk::ImageLayout::eTransferDstOptimal, transferBarrier);
+
+    cmdBuffer->PipelineBarrier(vk::PipelineStageFlagBits::eTopOfPipe, vk::PipelineStageFlagBits::eTransfer, {}, {}, {}, {transferBarrier});
+
+    rotationVectorsImage->TransferToDeviceResource(cmdBuffer);
+
+    vk::ImageMemoryBarrier shaderReadBarrier{};
+    rotationVectorsImage->PrepareImageTransitionInfo(vk::ImageLayout::eTransferDstOptimal, vk::ImageLayout::eShaderReadOnlyOptimal, shaderReadBarrier);
+    cmdBuffer->PipelineBarrier(vk::PipelineStageFlagBits::eTransfer, vk::PipelineStageFlagBits::eComputeShader, {}, {}, {}, { shaderReadBarrier });
+
+
+    // Get aligned size for buffer
+    uint32_t alignedSize = logicalDevice->PadSSBOSize(sizeof (samples));
+
+    // Create buffer
+    ssaoDataBuffer = logicalDevice->CreateBuffer(alignedSize, samples.data(), alignedSize, vk::BufferUsageFlagBits::eStorageBuffer | vk::BufferUsageFlagBits::eTransferDst, VMA_MEMORY_USAGE_AUTO, {});
+
+    ssaoDataBuffer->TransferToDeviceResource(cmdBuffer);
+  }
+
+  void SHSSAO::PrepareRotationVectorsVkData(Handle<SHVkLogicalDevice> logicalDevice) noexcept
+  {
+    SHImageViewDetails DETAILS =
+    {
+      .viewType = vk::ImageViewType::e2D,
+      .format = vk::Format::eR32G32B32A32Sfloat,
+      .imageAspectFlags = vk::ImageAspectFlagBits::eColor,
+      .baseMipLevel = 0,
+      .mipLevelCount = 1,
+      .baseArrayLayer = 0,
+      .layerCount = 1
+    };
+    rotationVectorsImageView = rotationVectorsImage->CreateImageView(logicalDevice, rotationVectorsImage, DETAILS);
+
+    SHVkSamplerParams samplerParams
+    {
+      .minFilter = vk::Filter::eNearest,
+      .magFilter = vk::Filter::eNearest,
+      .addressMode = vk::SamplerAddressMode::eRepeat,
+      .mipmapMode = vk::SamplerMipmapMode::eNearest,
+      .maxLod = 1u
+    };
+
+    rotationVectorsSampler = logicalDevice->CreateSampler(samplerParams);
+  }
+
+  SHVkDescriptorSetGroup::viewSamplerLayout SHSSAO::GetViewSamplerLayout(void) const noexcept
+  {
+    return std::make_tuple(rotationVectorsImageView, rotationVectorsSampler, vk::ImageLayout::eShaderReadOnlyOptimal);
+  }
+
+  Handle<SHVkBuffer> SHSSAO::GetBuffer(void) const noexcept
+  {
+    return ssaoDataBuffer;
+  }
+
+}

SHADE_Engine/src/Graphics/MiddleEnd/PostProcessing/SHSSAO.h

@@ -0,0 +1,49 @@
+#pragma once
+
+#include "Resource/SHHandle.h"
+#include "Graphics/SHVulkanIncludes.h"
+#include "Math/Vector/SHVec4.h"
+#include "Graphics/Descriptors/SHVkDescriptorSetGroup.h"
+
+namespace SHADE
+{
+  class SHVkBuffer;
+  class SHVkLogicalDevice;
+  class SHVkCommandBuffer;
+  class SHVkImage;
+  class SHVkImageView;
+  class SHVkSampler;
+
+  class SHSSAO
+  {
+  public:
+    static constexpr uint32_t DESC_SET_BUFFER_BINDING = 0;
+    static constexpr uint32_t DESC_SET_IMAGE_BINDING = 1;
+
+  private:
+    static constexpr uint32_t NUM_SAMPLES = 64;
+    static constexpr uint32_t NUM_ROTATION_VECTORS_W = 4;
+    static constexpr uint32_t NUM_ROTATION_VECTORS_H = 4;
+    static constexpr uint32_t NUM_ROTATION_VECTORS = NUM_ROTATION_VECTORS_W * NUM_ROTATION_VECTORS_H;
+
+  private:
+    //! distances from a pixel we want to sample
+    std::array<SHVec4, NUM_SAMPLES>         samples;
+
+    //! For passing SSAO samples and kernel to GPU
+    Handle<SHVkBuffer> ssaoDataBuffer;
+
+    std::array<SHVec4, NUM_ROTATION_VECTORS> rotationVectors;
+
+    Handle<SHVkImage> rotationVectorsImage;
+    Handle<SHVkImageView> rotationVectorsImageView;
+    Handle<SHVkSampler> rotationVectorsSampler;
+
+  public:
+    void Init (Handle<SHVkLogicalDevice> logicalDevice, Handle<SHVkCommandBuffer> cmdBuffer) noexcept;
+    void PrepareRotationVectorsVkData (Handle<SHVkLogicalDevice> logicalDevice) noexcept;
+    SHVkDescriptorSetGroup::viewSamplerLayout GetViewSamplerLayout (void) const noexcept;
+    
+    Handle<SHVkBuffer> GetBuffer (void) const noexcept;
+  };
+}

SHADE_Engine/src/Graphics/Pipeline/SHPipelineLayoutParams.h

@@ -2,8 +2,10 @@
 #define SH_PIPELINE_LAYOUT_PARAMS_H
 
 #include "Graphics/SHVulkanIncludes.h"
+#include "Graphics/SHVulkanDefines.h"
 #include "Resource/SHHandle.h"
 #include "Graphics/Descriptors/SHVkDescriptorSetLayout.h"
+#include <unordered_set>
 
 namespace SHADE
 {
@@ -24,6 +26,12 @@ namespace SHADE
     //! want to use the layout to initialize the pipeline layout but we do not
     //! want to use it for allocating descriptor sets.
     std::vector<Handle<SHVkDescriptorSetLayout>> const& globalDescSetLayouts = {};
+
+    //! Since both SPIRV-Reflect and GLSL don't provide ways to describe UBOs or
+    //! SSBOs as dynamic, we need to do it ourselves. This will store bindings
+    //! which we will use when parsing for descriptor set layouts. If a parsed
+    //! binding is in this container, we make that binding's descriptor dynamic.
+    std::unordered_set<BindingAndSetHash> dynamicBufferBindings;
   };
 
   struct SHPipelineLayoutParamsDummy

SHADE_Engine/src/Graphics/Pipeline/SHVkPipelineLayout.cpp

@@ -165,6 +165,28 @@ namespace SHADE
             newBinding.Stage = shaderModule->GetShaderStageFlagBits();
             newBinding.Type = descBindingInfo.ConvertFromReflectDescType(reflectedBinding->descriptor_type);
 
+            // Here we want to check if a binding is supposed to be dynamic. If it is, make it dynamic.
+            if (newBinding.Type == vk::DescriptorType::eUniformBuffer || newBinding.Type == vk::DescriptorType::eStorageBuffer)
+            {
+              for (auto& bsHash : dynamicBufferBindings)
+              {
+              	uint32_t set = static_cast<uint32_t>(bsHash >> 32);
+                uint32_t binding = static_cast<uint32_t>(bsHash & 0xFFFFFFFF);
+                if (set == CURRENT_SET && binding == newBinding.BindPoint)
+                {
+                  switch (newBinding.Type)
+                  {
+                  case vk::DescriptorType::eUniformBuffer:
+                    newBinding.Type = vk::DescriptorType::eUniformBufferDynamic;
+                    break;
+                  case vk::DescriptorType::eStorageBuffer:
+                    newBinding.Type = vk::DescriptorType::eStorageBufferDynamic;
+                    break;
+                  }
+                }
+              }
+            }
+
             // In reality, the check for variable descriptor sets do not exists in spirv-reflect. Fortunately, when a shader
             // defines a boundless descriptor binding in the shader, the information reflected makes the array dimensions
             // contain a 1 element of value 1. Knowing that having an array [1] doesn't make sense, we can use this to 
@@ -300,6 +322,7 @@ namespace SHADE
     , vkDescriptorSetLayoutsAllocate{}
     , descriptorSetLayoutsPipeline{}
     , vkDescriptorSetLayoutsPipeline{}
+    , dynamicBufferBindings{std::move (pipelineLayoutParams.dynamicBufferBindings)}
   {
     for (auto& mod : shaderModules)
     {

SHADE_Engine/src/Graphics/Pipeline/SHVkPipelineLayout.h

@@ -29,6 +29,9 @@ namespace SHADE
     //! Push constant interface
     SHPushConstantInterface pushConstantInterface;
 
+    //! See SHPipelineLayoutParams for details
+    std::unordered_set<BindingAndSetHash> dynamicBufferBindings;
+
     //! Push constant ranges
     std::vector<vk::PushConstantRange> vkPcRanges;
 

SHADE_Engine/src/Graphics/Queues/SHVkQueue.cpp

@@ -129,4 +129,9 @@ namespace SHADE
     return vkQueue;
   }
 
+  void SHVkQueue::WaitIdle(void) const noexcept
+  {
+    vkQueue.waitIdle();
+  }
+
 }

SHADE_Engine/src/Graphics/Queues/SHVkQueue.h

@@ -50,6 +50,8 @@ namespace SHADE
     void       SubmitCommandBuffer (std::initializer_list<Handle<SHVkCommandBuffer>> cmdBuffers, std::initializer_list<Handle<SHVkSemaphore>> signalSems = {}, std::initializer_list<Handle<SHVkSemaphore>> waitSems = {}, vk::PipelineStageFlags waitDstStageMask = {}, Handle<SHVkFence> const& fence = {}) noexcept;
     vk::Result Present             (Handle<SHVkSwapchain> const& swapchain, std::initializer_list<Handle<SHVkSemaphore>> waitSems, uint32_t frameIndex) noexcept;
     vk::Queue GetVkQueue() noexcept;
+
+    void WaitIdle (void) const noexcept;
   };
 }
 

SHADE_Engine/src/Graphics/RenderGraph/SHRenderGraphNode.cpp

@@ -263,7 +263,7 @@ namespace SHADE
     return subpass;
   }
 
-  Handle<SHRenderGraphNodeCompute> SHRenderGraphNode::AddNodeCompute(Handle<SHVkShaderModule> computeShaderModule, std::initializer_list<std::string> resources, float numWorkGroupScale/* = 1.0f*/) noexcept
+  Handle<SHRenderGraphNodeCompute> SHRenderGraphNode::AddNodeCompute(Handle<SHVkShaderModule> computeShaderModule, std::initializer_list<std::string> resources, std::unordered_set<BindingAndSetHash>&& dynamicBufferBindings, float numWorkGroupScale/* = 1.0f*/) noexcept
   {
     // Look for the required resources in the graph
     std::vector<Handle<SHRenderGraphResource>> nodeComputeResources{};
@@ -276,7 +276,7 @@ namespace SHADE
     }
 
     // Create the subpass compute with the resources
-    auto nodeCompute = graphStorage->resourceManager->Create<SHRenderGraphNodeCompute>(graphStorage, computeShaderModule, std::move(nodeComputeResources), nodeComputes.empty());
+    auto nodeCompute = graphStorage->resourceManager->Create<SHRenderGraphNodeCompute>(graphStorage, computeShaderModule, std::move(nodeComputeResources), std::move (dynamicBufferBindings), nodeComputes.empty());
     nodeComputes.push_back(nodeCompute);
 
     return nodeCompute;

SHADE_Engine/src/Graphics/RenderGraph/SHRenderGraphNode.h

@@ -100,7 +100,7 @@ namespace SHADE
     /* PUBLIC MEMBER FUNCTIONS                                               */
     /*-----------------------------------------------------------------------*/
     Handle<SHSubpass>    AddSubpass(std::string subpassName) noexcept;
-    Handle<SHRenderGraphNodeCompute> AddNodeCompute(Handle<SHVkShaderModule> computeShaderModule, std::initializer_list<std::string> resources, float numWorkGroupScale = 1.0f) noexcept;
+    Handle<SHRenderGraphNodeCompute> AddNodeCompute(Handle<SHVkShaderModule> computeShaderModule, std::initializer_list<std::string> resources, std::unordered_set<BindingAndSetHash>&& dynamicBufferBindings = {}, float numWorkGroupScale = 1.0f) noexcept;
     void AddDummySubpassIfNeeded (void) noexcept;
 
     // TODO: RemoveSubpass()

SHADE_Engine/src/Graphics/RenderGraph/SHRenderGraphNodeCompute.cpp

@@ -13,7 +13,7 @@
 
 namespace SHADE
 {
-  SHRenderGraphNodeCompute::SHRenderGraphNodeCompute(Handle<SHRenderGraphStorage> graphStorage, Handle<SHVkShaderModule> computeShaderModule, std::vector<Handle<SHRenderGraphResource>>&& subpassComputeResources, bool followingEndRP, float inNumWorkGroupScale/* = 1.0f*/) noexcept
+  SHRenderGraphNodeCompute::SHRenderGraphNodeCompute(Handle<SHRenderGraphStorage> graphStorage, Handle<SHVkShaderModule> computeShaderModule, std::vector<Handle<SHRenderGraphResource>>&& subpassComputeResources, std::unordered_set<BindingAndSetHash>&& dynamicBufferBindings, bool followingEndRP, float inNumWorkGroupScale/* = 1.0f*/) noexcept
     : computePipeline{}
     , pipelineLayout{}
     , resources{}
@@ -21,11 +21,13 @@ namespace SHADE
     , groupSizeY{0}
     , followingEndRenderpass {followingEndRP}
     , numWorkGroupScale {std::clamp(inNumWorkGroupScale, 0.0f, 1.0f)}
+    , computeResource{}
   {
     SHPipelineLayoutParams pipelineLayoutParams
     {
       .shaderModules = {computeShaderModule},
-      .globalDescSetLayouts = SHGraphicsGlobalData::GetDescSetLayouts()
+      .globalDescSetLayouts = SHGraphicsGlobalData::GetDescSetLayouts(),
+      .dynamicBufferBindings = std::move(dynamicBufferBindings),
     };
 
     // Create pipeline layout from parameters
@@ -42,16 +44,31 @@ namespace SHADE
 
      //Get the descriptor set layouts required to allocate. We only want the ones for allocate because 
      //global descriptors are already bound in the main system. 
-    auto const& layouts = computePipeline->GetPipelineLayout()->GetDescriptorSetLayoutsAllocate();
+    auto const& graphResourceLayout = computePipeline->GetPipelineLayout()->GetDescriptorSetLayoutsPipeline()[SHGraphicsConstants::DescriptorSetIndex::RENDERGRAPH_RESOURCE];
-
-     //Variable counts for the descriptor sets (all should be 1).
-    std::vector<uint32_t> variableCounts{ static_cast<uint32_t>(layouts.size()) };
-    std::fill(variableCounts.begin(), variableCounts.end(), 0);
 
     // Allocate descriptor sets to hold the images for reading (STORAGE_IMAGE)
     for (uint32_t i = 0; i < SHGraphicsConstants::NUM_FRAME_BUFFERS; ++i)
     {
-      descSetGroups[i] = graphStorage->descriptorPool->Allocate(layouts, variableCounts);
+      graphResourceDescSets[i] = graphStorage->descriptorPool->Allocate({graphResourceLayout}, { 1 });
+    }
+
+
+    auto const& layouts = computePipeline->GetPipelineLayout()->GetDescriptorSetLayoutsPipeline();
+
+    if (layouts.size() == SHGraphicsConstants::DescriptorSetIndex::RENDERGRAPH_NODE_COMPUTE_RESOURCE + 1)
+    {
+      // create compute resources
+      computeResource = graphStorage->resourceManager->Create<ComputeResource>();
+      auto computeResourceLayout = layouts[SHGraphicsConstants::DescriptorSetIndex::RENDERGRAPH_NODE_COMPUTE_RESOURCE];
+      computeResource->descSet = graphStorage->descriptorPool->Allocate({ computeResourceLayout }, { 1 });
+
+      // Allocate for descriptor offsets
+      for (uint32_t i = 0; i < SHGraphicsConstants::NUM_FRAME_BUFFERS; ++i)
+        computeResource->dynamicOffsets[i].resize(computeResourceLayout->GetNumDynamicOffsetsRequired());
+
+      // 1st set all start at 0
+      for (auto& index : computeResource->dynamicOffsets[0])
+    	  index = 0;
     }
 
     HandleResize();
@@ -63,7 +80,12 @@ namespace SHADE
     cmdBuffer->BindPipeline(computePipeline);
     
     // bind descriptor sets
-    cmdBuffer->BindDescriptorSet(descSetGroups[frameIndex], SH_PIPELINE_TYPE::COMPUTE, SHGraphicsConstants::DescriptorSetIndex::RENDERGRAPH_RESOURCE, {});
+    cmdBuffer->BindDescriptorSet(graphResourceDescSets[frameIndex], SH_PIPELINE_TYPE::COMPUTE, SHGraphicsConstants::DescriptorSetIndex::RENDERGRAPH_RESOURCE, {});
+
+    if (computeResource)
+    {
+      cmdBuffer->BindDescriptorSet(computeResource->descSet, SH_PIPELINE_TYPE::COMPUTE, SHGraphicsConstants::DescriptorSetIndex::RENDERGRAPH_NODE_COMPUTE_RESOURCE, computeResource->dynamicOffsets[frameIndex]);
+    }
 
     // dispatch compute
     cmdBuffer->ComputeDispatch(groupSizeX, groupSizeY, 1);
@@ -89,8 +111,8 @@ namespace SHADE
         uint32_t imageIndex = (resources[i]->resourceTypeFlags & static_cast<uint32_t>(SH_ATT_DESC_TYPE_FLAGS::COLOR_PRESENT)) ? frameIndex : 0;
 
         SHVkDescriptorSetGroup::viewSamplerLayout vsl = std::make_tuple(resources[i]->GetImageView(imageIndex), Handle<SHVkSampler>{}, vk::ImageLayout::eGeneral);
-        descSetGroups[frameIndex]->ModifyWriteDescImage(SHGraphicsConstants::DescriptorSetIndex::RENDERGRAPH_RESOURCE, binding.BindPoint, { &vsl, 1 });
+        graphResourceDescSets[frameIndex]->ModifyWriteDescImage(SHGraphicsConstants::DescriptorSetIndex::RENDERGRAPH_RESOURCE, binding.BindPoint, { &vsl, 1 });
-        descSetGroups[frameIndex]->UpdateDescriptorSetImages(SHGraphicsConstants::DescriptorSetIndex::RENDERGRAPH_RESOURCE, binding.BindPoint);
+        graphResourceDescSets[frameIndex]->UpdateDescriptorSetImages(SHGraphicsConstants::DescriptorSetIndex::RENDERGRAPH_RESOURCE, binding.BindPoint);
         ++i;
       }
     }
@@ -137,4 +159,27 @@ namespace SHADE
     }
   }
 
+  void SHRenderGraphNodeCompute::SetDynamicOffsets(std::span<uint32_t> perFrameSizes) noexcept
+  {
+    for (uint32_t i = 0; i < SHGraphicsConstants::NUM_FRAME_BUFFERS; ++i)
+    {
+      auto dynamicOffsets = computeResource->dynamicOffsets[i];
+    	for (uint32_t j = 0; j < perFrameSizes.size(); ++j)
+        dynamicOffsets[j] = perFrameSizes[j] * i;
+    }
+  }
+
+  void SHRenderGraphNodeCompute::ModifyWriteDescBufferComputeResource(uint32_t set, uint32_t binding, std::span<Handle<SHVkBuffer>> const& buffers, uint32_t offset, uint32_t range) noexcept
+  {
+    computeResource->descSet->ModifyWriteDescBuffer(set, binding, buffers, offset, range);
+    computeResource->descSet->UpdateDescriptorSetBuffer(set, binding);
+  }
+
+  void SHRenderGraphNodeCompute::ModifyWriteDescImageComputeResource(uint32_t set, uint32_t binding, std::span<SHVkDescriptorSetGroup::viewSamplerLayout> const& viewSamplerLayouts) noexcept
+  {
+    computeResource->descSet->ModifyWriteDescImage(set, binding, viewSamplerLayouts);
+    computeResource->descSet->UpdateDescriptorSetImages(set, binding);
+
+  }
+
 }

SHADE_Engine/src/Graphics/RenderGraph/SHRenderGraphNodeCompute.h

@@ -2,6 +2,7 @@
 
 #include "Resource/SHHandle.h"
 #include "Graphics/MiddleEnd/Interface/SHGraphicsConstants.h"
+#include "Graphics/Descriptors/SHVkDescriptorSetGroup.h"
 #include "Graphics/SHVulkanIncludes.h"
 #include <initializer_list>
 #include <string>
@@ -10,7 +11,6 @@
 namespace SHADE
 {
   class SHVkPipeline;
-  class SHVkDescriptorSetGroup;
   class SHVkDescriptorPool;
   class SHVkLogicalDevice;
   class SHVkPipelineLayout;
@@ -18,9 +18,22 @@ namespace SHADE
   class SHRenderGraphResource;
   class SHVkShaderModule;
   class SHVkCommandBuffer;
+  class SHVkBuffer;
+
 
   class SHRenderGraphNodeCompute
   {
+  private:
+    // Binding of set SHGraphicsConstants::DescriptorSetIndex::RENDERGRAPH_NODE_COMPUTE_RESOURCE
+    struct ComputeResource
+    {
+      //! Descriptor set (initialized by parent class)
+      Handle<SHVkDescriptorSetGroup> descSet {};
+
+      //! Dynamic offsets into these resources (initialized from the outside).
+      std::array<std::vector<uint32_t>, SHGraphicsConstants::NUM_FRAME_BUFFERS> dynamicOffsets {};
+    };
+
   private:
     static constexpr uint32_t workGroupSizeX = 16;
     static constexpr uint32_t workGroupSizeY = 16;
@@ -32,7 +45,10 @@ namespace SHADE
     Handle<SHVkPipelineLayout>                 pipelineLayout;
 
     //! Descriptor set group to hold the images for reading (STORAGE_IMAGE)
-    std::array<Handle<SHVkDescriptorSetGroup>, SHGraphicsConstants::NUM_FRAME_BUFFERS> descSetGroups;
+    std::array<Handle<SHVkDescriptorSetGroup>, SHGraphicsConstants::NUM_FRAME_BUFFERS> graphResourceDescSets;
+
+    //! Compute resources
+    Handle<ComputeResource> computeResource;
 
     //! vector of resources needed by the subpass compute
     std::vector<Handle<SHRenderGraphResource>> resources;
@@ -50,11 +66,17 @@ namespace SHADE
     std::array<std::vector<vk::ImageMemoryBarrier>, SHGraphicsConstants::NUM_FRAME_BUFFERS> memoryBarriers;
 
   public:
-    SHRenderGraphNodeCompute(Handle<SHRenderGraphStorage> graphStorage, Handle<SHVkShaderModule> computeShaderModule, std::vector<Handle<SHRenderGraphResource>>&& subpassComputeResources, bool followingEndRP, float inNumWorkGroupScale = 1.0f) noexcept;
+    SHRenderGraphNodeCompute(Handle<SHRenderGraphStorage> graphStorage, Handle<SHVkShaderModule> computeShaderModule, std::vector<Handle<SHRenderGraphResource>>&& subpassComputeResources, std::unordered_set<BindingAndSetHash>&& dynamicBufferBindings, bool followingEndRP, float inNumWorkGroupScale = 1.0f) noexcept;
 
     void Execute (Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex) noexcept;
     void HandleResize (void) noexcept;
 
+    void SetDynamicOffsets (std::span<uint32_t> perFrameSizes) noexcept;
+
+    void ModifyWriteDescBufferComputeResource (uint32_t set, uint32_t binding, std::span<Handle<SHVkBuffer>> const& buffers, uint32_t offset, uint32_t range) noexcept;
+    void ModifyWriteDescImageComputeResource(uint32_t set, uint32_t binding, std::span<SHVkDescriptorSetGroup::viewSamplerLayout> const& viewSamplerLayouts) noexcept;
+
+
     friend class SHRenderGraph;
     friend class SHRenderGraphNode;
   };

SHADE_Engine/src/Graphics/Shaders/SHShaderReflected.cpp

@@ -142,6 +142,16 @@ namespace SHADE
           case SpvOp::SpvOpTypeRuntimeArray:
             recurseForInfo(&member, interfaceHdl, member.offset, biggestAlignment, parentVarName + std::string(member.name) + ".");
             break;
+          case SpvOp::SpvOpTypeArray:
+            interfaceHdl->AddVariable(parentVarName + std::string (member.name),
+              SHShaderBlockInterface::Variable
+              (
+                parentOffset + member.offset,
+                SHShaderBlockInterface::Variable::Type::OTHER
+              )
+            );
+            biggestAlignment = std::max(biggestAlignment, member.size);
+            break;
         }
       }
     };

SHADE_Engine/src/Math/SHColour.cpp

@@ -118,6 +118,17 @@ namespace SHADE
   }
   {}
 
+  SHColour::SHColour(uint32_t rgba) noexcept
+  : XMFLOAT4 { 0.0f, 0.0f, 0.0f, 1.0f }
+  {
+    const SHColour32 TMP { ._32bitValue = rgba };
+
+    x = static_cast<float>(TMP._8bitValues[0]) / 255.0f;
+    y = static_cast<float>(TMP._8bitValues[1]) / 255.0f;
+    z = static_cast<float>(TMP._8bitValues[2]) / 255.0f;
+    w = static_cast<float>(TMP._8bitValues[3]) / 255.0f;
+  }
+
   SHColour::SHColour(const SHVec3& rgb) noexcept
   : XMFLOAT4 { rgb.x, rgb.y, rgb.z, 1.0f }
   {}

SHADE_Engine/src/Math/SHColour.h

@@ -34,6 +34,12 @@ namespace SHADE
     float v = 0.0f;
   };
 
+  union SH_API SHColour32
+  {
+    uint32_t _32bitValue;
+    uint8_t  _8bitValues[4];
+  };
+
   class SH_API SHColour : public DirectX::XMFLOAT4
   {
   public:
@@ -46,6 +52,7 @@ namespace SHADE
     SHColour  (float r, float g, float b, float a)          noexcept;
     SHColour  (uint8_t r, uint8_t g, uint8_t b)             noexcept;
     SHColour  (uint8_t r, uint8_t g, uint8_t b, uint8_t a)  noexcept;
+    SHColour  (uint32_t rgba)                               noexcept;
 
     SHColour  (const SHVec3& rgb)                           noexcept;
     SHColour  (const SHVec4& rgba)                          noexcept;

SHADE_Engine/src/Physics/SHCollider.cpp

@@ -212,7 +212,7 @@ namespace SHADE
       const SHVec3 TF_WORLD_SCALE = transformComponent->GetWorldScale();
       const float MAX_SCALE       = SHMath::Max({ TF_WORLD_SCALE.x, TF_WORLD_SCALE.y, TF_WORLD_SCALE.z });
 
-      worldRadius *= MAX_SCALE;
+      worldRadius *= MAX_SCALE * 0.5f;
     }
 
     if (type == Type::SPHERE)

SHADE_Engine/src/Physics/SHPhysicsSystem.cpp

@@ -17,10 +17,12 @@
 #include "ECS_Base/Managers/SHComponentManager.h"
 #include "ECS_Base/Managers/SHEntityManager.h"
 #include "ECS_Base/Managers/SHSystemManager.h"
+#include "Graphics/MiddleEnd/Interface/SHDebugDrawSystem.h"
 #include "Math/SHMathHelpers.h"
 #include "Math/Transform/SHTransformComponent.h"
 #include "Scene/SHSceneManager.h"
 #include "Scripting/SHScriptEngine.h"
+#include "Tools/SHUtilities.h"
 
 namespace SHADE
 {
@@ -30,6 +32,7 @@ namespace SHADE
 
   SHPhysicsSystem::SHPhysicsSystem()
   : worldUpdated        { false }
+  , debugDrawFlags      { 0 }
   , interpolationFactor { 0.0 }
   , fixedDT             { 60.0 }
   , world               { nullptr }
@@ -47,6 +50,11 @@ namespace SHADE
   : SHSystemRoutine { "Physics PostUpdate", false }
   {}
 
+  SHPhysicsSystem::PhysicsDebugDraw::PhysicsDebugDraw()
+  : SHSystemRoutine { "Physics DebugDraw", true }
+  {}
+
+
   /*-----------------------------------------------------------------------------------*/
   /* Getter Function Definitions                                                       */
   /*-----------------------------------------------------------------------------------*/
@@ -99,6 +107,31 @@ namespace SHADE
     return 0;
   }
 
+  bool SHPhysicsSystem::GetDrawColliders() const noexcept
+  {
+    return debugDrawFlags & SHUtilities::ConvertEnum(DebugDrawFlags::COLLIDER);
+  }
+
+  bool SHPhysicsSystem::GetDrawColliderAABBs() const noexcept
+  {
+    return debugDrawFlags & SHUtilities::ConvertEnum(DebugDrawFlags::COLLIDER_AABB);
+  }
+
+  bool SHPhysicsSystem::GetDrawBroadPhase() const noexcept
+  {
+    return debugDrawFlags & SHUtilities::ConvertEnum(DebugDrawFlags::BROAD_PHASE_AABB);
+  }
+
+  bool SHPhysicsSystem::GetDrawContactPoints() const noexcept
+  {
+    return debugDrawFlags & SHUtilities::ConvertEnum(DebugDrawFlags::CONTACT_POINTS);
+  }
+
+  bool SHPhysicsSystem::GetDrawContactNormals() const noexcept
+  {
+    return debugDrawFlags & SHUtilities::ConvertEnum(DebugDrawFlags::CONTACT_NORMALS);
+  }
+
   const SHPhysicsSystem::CollisionEvents& SHPhysicsSystem::GetCollisionInfo() const noexcept
   {
     return collisionInfo;
@@ -181,6 +214,96 @@ namespace SHADE
     }
   }
 
+  void SHPhysicsSystem::SetDrawColliders(bool shouldDraw) noexcept
+  {
+    static constexpr auto FLAG_VALUE = SHUtilities::ConvertEnum(DebugDrawFlags::COLLIDER);
+    shouldDraw ? debugDrawFlags |= FLAG_VALUE : debugDrawFlags &= ~(FLAG_VALUE);
+
+    if (world == nullptr)
+    {
+      SHLOGV_WARNING("No physics world has been initialised!")
+      return;
+    }
+
+    world->getDebugRenderer().setIsDebugItemDisplayed
+    (
+      rp3d::DebugRenderer::DebugItem::COLLISION_SHAPE,
+      shouldDraw
+    );
+  }
+
+  void SHPhysicsSystem::SetDrawColliderAABBs(bool shouldDraw) noexcept
+  {
+    static constexpr auto FLAG_VALUE = SHUtilities::ConvertEnum(DebugDrawFlags::COLLIDER_AABB);
+    shouldDraw ? debugDrawFlags |= FLAG_VALUE : debugDrawFlags &= ~(FLAG_VALUE);
+
+    if (world == nullptr)
+    {
+      SHLOGV_WARNING("No physics world has been initialised!")
+      return;
+    }
+
+    world->getDebugRenderer().setIsDebugItemDisplayed
+    (
+      rp3d::DebugRenderer::DebugItem::COLLIDER_AABB,
+      shouldDraw
+    );
+  }
+
+  void SHPhysicsSystem::SetDrawBroadPhase(bool shouldDraw) noexcept
+  {
+    static constexpr auto FLAG_VALUE = SHUtilities::ConvertEnum(DebugDrawFlags::BROAD_PHASE_AABB);
+    shouldDraw ? debugDrawFlags |= FLAG_VALUE : debugDrawFlags &= ~(FLAG_VALUE);
+
+    if (world == nullptr)
+    {
+      SHLOGV_WARNING("No physics world has been initialised!")
+      return;
+    }
+
+    world->getDebugRenderer().setIsDebugItemDisplayed
+    (
+      rp3d::DebugRenderer::DebugItem::COLLIDER_BROADPHASE_AABB,
+      shouldDraw
+    );
+  }
+
+  void SHPhysicsSystem::SetDrawContactPoints(bool shouldDraw) noexcept
+  {
+    static constexpr auto FLAG_VALUE = SHUtilities::ConvertEnum(DebugDrawFlags::CONTACT_POINTS);
+    shouldDraw ? debugDrawFlags |= FLAG_VALUE : debugDrawFlags &= ~(FLAG_VALUE);
+
+    if (world == nullptr)
+    {
+      SHLOGV_WARNING("No physics world has been initialised!")
+      return;
+    }
+
+    world->getDebugRenderer().setIsDebugItemDisplayed
+    (
+      rp3d::DebugRenderer::DebugItem::CONTACT_POINT,
+      shouldDraw
+    );
+  }
+
+  void SHPhysicsSystem::SetDrawContactNormals(bool shouldDraw) noexcept
+  {
+    static constexpr auto FLAG_VALUE = SHUtilities::ConvertEnum(DebugDrawFlags::CONTACT_NORMALS);
+    shouldDraw ? debugDrawFlags |= FLAG_VALUE : debugDrawFlags &= ~(FLAG_VALUE);
+
+    if (world == nullptr)
+    {
+      SHLOGV_WARNING("No physics world has been initialised!")
+      return;
+    }
+
+    world->getDebugRenderer().setIsDebugItemDisplayed
+    (
+      rp3d::DebugRenderer::DebugItem::CONTACT_NORMAL,
+      shouldDraw
+    );
+  }
+
   /*-----------------------------------------------------------------------------------*/
   /* Public Function Member Definitions                                                */
   /*-----------------------------------------------------------------------------------*/
@@ -198,6 +321,7 @@ namespace SHADE
     
     world = factory.createPhysicsWorld(settings);
     world->setEventListener(this);
+    world->setIsDebugRenderingEnabled(true);
 
     // Set up solvers
     world->setContactsPositionCorrectionTechnique(rp3d::ContactsPositionCorrectionTechnique::SPLIT_IMPULSES);
@@ -323,7 +447,7 @@ namespace SHADE
     auto* scriptingSystem = SHSystemManager::GetSystem<SHScriptEngine>();
     if (scriptingSystem == nullptr)
     {
-        SHLOGV_WARNING("Unable to invoke FixedUpdate() on scripts due to missing SHScriptEngine!");
+        SHLOGV_ERROR("Unable to invoke FixedUpdate() on scripts due to missing SHScriptEngine!");
     }
 
     fixedTimeStep = 1.0 / physicsSystem->fixedDT;
@@ -353,7 +477,7 @@ namespace SHADE
     auto* scriptingSystem = SHSystemManager::GetSystem<SHScriptEngine>();
     if (scriptingSystem == nullptr)
     {
-        SHLOGV_WARNING("Unable to invoke collision and trigger script events due to missing SHScriptEngine!");
+        SHLOGV_ERROR("Unable to invoke collision and trigger script events due to missing SHScriptEngine!");
     }
 
     // Interpolate transforms for rendering
@@ -369,6 +493,40 @@ namespace SHADE
     }
   }
 
+  void SHPhysicsSystem::PhysicsDebugDraw::Execute(double) noexcept
+  {
+    const auto* PHYSICS_SYSTEM = reinterpret_cast<SHPhysicsSystem*>(GetSystem());
+    if (PHYSICS_SYSTEM->debugDrawFlags == 0)
+      return;
+
+    auto* debugDrawSystem = SHSystemManager::GetSystem<SHDebugDrawSystem>();
+    if (debugDrawSystem == nullptr)
+    {
+      SHLOGV_ERROR("Unable to debug draw physics objects due to missing SHDebugDrawSystem!");
+      return;
+    }
+
+    const auto& RP3D_DEBUG_RENDERER = PHYSICS_SYSTEM->world->getDebugRenderer();
+
+    const auto& LINES = RP3D_DEBUG_RENDERER.getLines();
+    const auto& TRIANGLES = RP3D_DEBUG_RENDERER.getTriangles();
+
+    // Draw all lines
+    for (uint32_t i = 0; i < RP3D_DEBUG_RENDERER.getNbLines(); ++i)
+    {
+      const auto& LINE = LINES[i];
+      debugDrawSystem->DrawLine(SHColour{ LINE.color1 }, LINE.point1, LINE.point2);
+    }
+
+    for (uint32_t i = 0; i < RP3D_DEBUG_RENDERER.getNbTriangles(); ++i)
+    {
+      const auto& TRIANGLE = TRIANGLES[i];
+      SHColour triColour{ TRIANGLE.color1 };
+      triColour.a() = 1.0f;
+      debugDrawSystem->DrawTri(triColour, TRIANGLE.point1, TRIANGLE.point2, TRIANGLE.point3);
+    }
+  }
+
   void SHPhysicsSystem::onContact(const CallbackData& callbackData)
   {
     for (uint32_t i = 0; i < callbackData.getNbContactPairs(); ++i)

SHADE_Engine/src/Physics/SHPhysicsSystem.h

@@ -51,6 +51,15 @@ namespace SHADE
 
     using CollisionEvents = std::vector<SHCollisionEvent>;
 
+    enum class DebugDrawFlags : uint8_t
+    {
+      COLLIDER          = 1
+    , COLLIDER_AABB     = 2
+    , BROAD_PHASE_AABB  = 4
+    , CONTACT_POINTS    = 8
+    , CONTACT_NORMALS   = 16
+    };
+
     /*---------------------------------------------------------------------------------*/
     /* Constructors & Destructor                                                       */
     /*---------------------------------------------------------------------------------*/
@@ -69,6 +78,12 @@ namespace SHADE
     [[nodiscard]] uint16_t  GetNumberVelocityIterations   ()  const noexcept;
     [[nodiscard]] uint16_t  GetNumberPositionIterations   ()  const noexcept;
 
+    [[nodiscard]] bool      GetDrawColliders              ()  const noexcept;
+    [[nodiscard]] bool      GetDrawColliderAABBs          ()  const noexcept;
+    [[nodiscard]] bool      GetDrawBroadPhase             ()  const noexcept;
+    [[nodiscard]] bool      GetDrawContactPoints          ()  const noexcept;
+    [[nodiscard]] bool      GetDrawContactNormals         ()  const noexcept;
+
     [[nodiscard]] const CollisionEvents& GetCollisionInfo ()  const noexcept;
     [[nodiscard]] const CollisionEvents& GetTriggerInfo   ()  const noexcept;
     
@@ -85,6 +100,13 @@ namespace SHADE
 
     void  SetWorldSettings            (const WorldSettings& settings) const noexcept;
 
+    // TODO(Diren): Can the debug draw flags be done through an enum?
+    void  SetDrawColliders            (bool shouldDraw)               noexcept;
+    void  SetDrawColliderAABBs        (bool shouldDraw)               noexcept;
+    void  SetDrawBroadPhase           (bool shouldDraw)               noexcept;
+    void  SetDrawContactPoints        (bool shouldDraw)               noexcept;
+    void  SetDrawContactNormals       (bool shouldDraw)               noexcept;
+
     /*---------------------------------------------------------------------------------*/
     /* Function Members                                                                */
     /*---------------------------------------------------------------------------------*/
@@ -105,48 +127,31 @@ namespace SHADE
     class SH_API PhysicsPreUpdate final : public SHSystemRoutine
     {
     public:
-      /*-------------------------------------------------------------------------------*/
-      /* Constructors & Destructor                                                     */
-      /*-------------------------------------------------------------------------------*/
 
       PhysicsPreUpdate();
-
-      /*-------------------------------------------------------------------------------*/
-      /* Function Members                                                              */
-      /*-------------------------------------------------------------------------------*/
-
       void Execute(double dt) noexcept override;
     };
 
     class SH_API PhysicsFixedUpdate final : public SHFixedSystemRoutine
     {
     public:
-      /*-------------------------------------------------------------------------------*/
-      /* Constructors & Destructor                                                     */
-      /*-------------------------------------------------------------------------------*/
 
       PhysicsFixedUpdate();
-
-      /*-------------------------------------------------------------------------------*/
-      /* Function Members                                                              */
-      /*-------------------------------------------------------------------------------*/
-
       void Execute      (double dt) noexcept override;
     };
 
     class SH_API PhysicsPostUpdate final : public SHSystemRoutine
     {
     public:
-      /*-------------------------------------------------------------------------------*/
-      /* Constructors & Destructor                                                     */
-      /*-------------------------------------------------------------------------------*/
 
       PhysicsPostUpdate();
+      void Execute(double dt) noexcept override;
+    };
 
-      /*-------------------------------------------------------------------------------*/
+    class SH_API PhysicsDebugDraw final : public SHSystemRoutine
-      /* Function Members                                                              */
+    {
-      /*-------------------------------------------------------------------------------*/
+    public:
-
+      PhysicsDebugDraw();
       void Execute(double dt) noexcept override;
     };
 
@@ -162,6 +167,7 @@ namespace SHADE
     /*---------------------------------------------------------------------------------*/
 
     bool                  worldUpdated;
+    uint8_t               debugDrawFlags;
 
     double                interpolationFactor;
     double                fixedDT;

SHADE_Engine/src/Tools/SHDebugDraw.cpp

@@ -70,4 +70,40 @@ namespace SHADE
   {
     dbgDrawSys->DrawSphere(color, pos, radius);
   }
+
+  void SHDebugDraw::PersistentLine(const SHVec4& color, const SHVec3& startPt, const SHVec3& endPt)
+  {
+    dbgDrawSys->DrawPersistentLine(color, startPt, endPt);
+  }
+
+  void SHDebugDraw::PersistentTri(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3)
+  {
+    dbgDrawSys->DrawPersistentTri(color, pt1, pt2, pt3);
+  }
+
+  void SHDebugDraw::PersistentQuad(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3, const SHVec3& pt4)
+  {
+    dbgDrawSys->DrawPersistentQuad(color, pt1, pt2, pt3, pt4);
+  }
+
+  void SHDebugDraw::PersistentPoly(const SHVec4& color, std::initializer_list<SHVec3> pointList)
+  {
+    dbgDrawSys->DrawPersistentPoly(color, pointList);
+  }
+
+  void SHDebugDraw::PersistentCube(const SHVec4& color, const SHVec3& pos, const SHVec3& size)
+  {
+    dbgDrawSys->DrawPersistentCube(color, pos, size);
+  }
+
+  void SHDebugDraw::PersistentSphere(const SHVec4& color, const SHVec3& pos, double radius)
+  {
+    dbgDrawSys->DrawPersistentSphere(color, pos, radius);
+  }
+
+  void SHDebugDraw::ClearPersistentDraws()
+  {
+    dbgDrawSys->ClearPersistentDraws();
+  }
+
 }

SHADE_Engine/src/Tools/SHDebugDraw.h

@@ -92,6 +92,64 @@ namespace SHADE
     /// <param name="size">Size of the rendered sphere.</param>
     static void Sphere(const SHVec4& color, const SHVec3& pos, double radius);
 
+    /*---------------------------------------------------------------------------------*/
+    /* Persistent Draw Functions                                                       */
+    /*---------------------------------------------------------------------------------*/
+    /// <summary>
+    /// Renders a line between two points in world space that will persist until
+    /// ClearPersistentDraws() is called.
+    /// </summary>
+    /// <param name="color">Colour of the line.</param>
+    /// <param name="startPt">First point of the line.</param>
+    /// <param name="endPt">Second point of the line.</param>
+    static void PersistentLine(const SHVec4& color, const SHVec3& startPt, const SHVec3& endPt);
+    /// <summary>
+    /// Renders a triangle indicated by three points in world space that will persist 
+    /// until ClearPersistentDraws() is called.
+    /// </summary>
+    /// <param name="color">Colour of the triangle.</param>
+    /// <param name="pt1">First point of the triangle.</param>
+    /// <param name="pt2">Second point of the triangle.</param>
+    /// <param name="pt3">Third point of the triangle.</param>
+    static void PersistentTri(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3);
+    /// <summary>
+    /// Renders a quadrilateral indicated by four points in world space that will persist
+    /// until ClearPersistentDraws() is called.
+    /// </summary>
+    /// <param name="color">Colour of the quadrilateral.</param>
+    /// <param name="pt1">First point of the triangle.</param>
+    /// <param name="pt2">Second point of the quadrilateral.</param>
+    /// <param name="pt3">Third point of the quadrilateral.</param>
+    /// <param name="pt4">Third point of the quadrilateral.</param>
+    static void PersistentQuad(const SHVec4& color, const SHVec3& pt1, const SHVec3& pt2, const SHVec3& pt3, const SHVec3& pt4);
+    /// <summary>
+    /// Renders a polygon indicated by the specified set of points in world space that 
+    /// will persist until ClearPersistentDraws() is called.
+    /// </summary>
+    /// <param name="color">Colour of the polygon.</param>
+    /// <param name="pointList">List of points for the polygon.</param>
+    static void PersistentPoly(const SHVec4& color, std::initializer_list<SHVec3> pointList);
+    /// <summary>
+    /// Renders a wireframe cube centered around the position specified in world space
+    /// that will persist until  ClearPersistentDraws() is called.
+    /// </summary>
+    /// <param name="color">Colour of the cube.</param>
+    /// <param name="pos">Position where the cube wil be centered at.</param>
+    /// <param name="size">Size of the rendered cube.</param>
+    static void PersistentCube(const SHVec4& color, const SHVec3& pos, const SHVec3& size);
+    /// <summary>
+    /// Renders a wireframe sphere centered around the position specified in world space 
+    /// that will persist until  ClearPersistentDraws() is called.
+    /// </summary>
+    /// <param name="color">Colour of the sphere.</param>
+    /// <param name="pos">Position where the sphere wil be centered at.</param>
+    /// <param name="size">Size of the rendered sphere.</param>
+    static void PersistentSphere(const SHVec4& color, const SHVec3& pos, double radius);
+    /// <summary>
+    /// Clears any persistent drawn debug primitives.
+    /// </summary>
+    static void ClearPersistentDraws();
+
     private:
     /*---------------------------------------------------------------------------------*/
     /* Static Data Members                                                             */

SHADE_Engine/src/Tools/SHUtilities.h

@@ -39,7 +39,7 @@ namespace SHADE
      * @param[in] enumClassMember   A member of the specified enum class.
      * @returns   The value of the enum class member in the output type.
     */
-    template <IsEnum InputType, IsIntegral OutputType = int>
+    template <IsEnum InputType, IsIntegral OutputType = std::underlying_type_t<InputType>>
     static constexpr OutputType ConvertEnum(InputType enumClassMember) noexcept;
 
     /**

SHADE_Managed/src/Components/RigidBody.cxx

@@ -148,6 +148,14 @@ namespace SHADE
     {
         return Convert::ToCLI(GetNativeComponent()->GetTorque());
     }
+    bool RigidBody::Interpolating::get()
+    {
+        return GetNativeComponent()->IsInterpolating();
+    }
+    void RigidBody::Interpolating::set(bool value)
+    {
+        GetNativeComponent()->SetInterpolate(value);
+    }
     
     /*---------------------------------------------------------------------------------*/
     /* Force Functions                                                                 */

SHADE_Managed/src/Components/RigidBody.hxx

@@ -129,6 +129,11 @@ namespace SHADE
         {
             Vector3 get();
         }
+        property bool Interpolating
+        {
+            bool get();
+            void set(bool value);
+        }
         
         /*-----------------------------------------------------------------------------*/
         /* Force Functions                                                             */