Shadows WIP

Assets/Application.SHConfig

@@ -1,4 +1,4 @@
 Start in Fullscreen: false
-Starting Scene ID: 97158628
+Starting Scene ID: 86098106
 Window Size: {x: 1920, y: 1080}
 Window Title: SHADE Engine

Assets/Shaders/DeferredComposite_CS.glsl

@@ -6,6 +6,7 @@ struct DirectionalLightStruct
   uint isActive;
   uint cullingMask;
   vec4 diffuseColor;
+  mat4 pvMatrix;
 };
 
 struct AmbientLightStruct
@@ -24,6 +25,8 @@ layout(set = 3, binding = 3, r32ui) uniform uimage2D lightLayerData;
 layout(set = 3, binding = 4, r8) uniform image2D ssaoBlurredImage;
 layout(set = 3, binding = 5, rgba8) uniform image2D targetImage;
 
+layout (set = 4, binding = 0) uniform sampler2D shadowMaps[]; // for textures (global)
+
 layout(set = 1, binding = 0) uniform LightCounts
 {
   uint directionalLights;

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

@@ -158,7 +158,7 @@ namespace SHADE
       .Type = vk::DescriptorType::eCombinedImageSampler,
       .Stage = vk::ShaderStageFlagBits::eVertex | vk::ShaderStageFlagBits::eFragment | vk::ShaderStageFlagBits::eCompute,
       .BindPoint = SHGraphicsConstants::DescriptorSetBindings::IMAGE_AND_SAMPLERS_DATA,
-      .DescriptorCount = 200, // we can have up to 2000 textures for now
+      .DescriptorCount = 200, // we can have up to 200 textures for now
       .flags = vk::DescriptorBindingFlagBits::eVariableDescriptorCount,
     };
 

SHADE_Engine/src/Graphics/MiddleEnd/GlobalData/SHPredefinedDescriptorTypes.h

@@ -13,7 +13,7 @@ namespace SHADE
     CAMERA,
     MATERIALS,
     FONT,
-    RENDER_GRAPH_RESOURCE,
     RENDER_GRAPH_NODE_COMPUTE_RESOURCE,
+    RENDER_GRAPH_RESOURCE,
   };
 }

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

@@ -127,7 +127,10 @@ namespace SHADE
 
     SHFreetypeInstance::Init();
 
-    SHAssetManager::CompileAsset("../../Assets/Shaders/ShadowMap_VS.glsl", false);
+    SHAssetManager::CompileAsset("../../Assets/Shaders/DeferredComposite_CS.glsl", false);
+    SHAssetManager::CompileAsset("../../Assets/Shaders/SSAO_CS.glsl", false);
+    SHAssetManager::CompileAsset("../../Assets/Shaders/SSAOBlur_CS.glsl", false);
+    SHAssetManager::CompileAsset("../../Assets/Shaders/PureCopy_CS.glsl", false);
 
     // Load Built In Shaders
     static constexpr AssetID VS_DEFAULT    = 39210065;  defaultVertShader       = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_DEFAULT);
@@ -288,7 +291,7 @@ namespace SHADE
     /*-----------------------------------------------------------------------*/
     /* DEFERRED COMPOSITE SUBPASS INIT                                       */
     /*-----------------------------------------------------------------------*/
-    auto deferredCompositeCompute = deferredCompositeNode->AddNodeCompute("Deferred Composite", deferredCompositeShader, { "Position", "Normals", "Albedo", "Light Layer Indices", "SSAO Blur", "Scene" });
+    auto deferredCompositeCompute = deferredCompositeNode->AddNodeCompute("Deferred Composite", deferredCompositeShader, { "Position", "Normals", "Albedo", "Light Layer Indices", "SSAO Blur", "Scene" }, {}/*SHGraphicsPredefinedData::GetPredefinedDescSetLayouts(SHGraphicsPredefinedData::PredefinedDescSetLayoutTypes::SHADOW)[0]*/);
     deferredCompositeCompute->AddPreComputeFunction([=](Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex)
       {
         lightingSubSystem->PrepareShadowMapsForRead(cmdBuffer);

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

@@ -122,4 +122,9 @@ namespace SHADE
     return cameraDirector;
   }
 
+  SHShaderCameraData SHRenderer::GetCPUCameraData(void) const noexcept
+  {
+    return cpuCameraData;
+  }
+
 }

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

@@ -93,6 +93,7 @@ namespace SHADE
         /* Setters and Getters                                                         */
         /*-----------------------------------------------------------------------------*/
         Handle<SHCameraDirector>  GetCameraDirector (void) const noexcept;
+        SHShaderCameraData        GetCPUCameraData (void) const noexcept;
 
       private:
         /*-----------------------------------------------------------------------------*/

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

@@ -56,6 +56,11 @@ namespace SHADE
       //lightPtr->direction = lightData.direction;
       lightPtr->diffuseColor = lightData.color;
       lightPtr->active = lightComp->isActive;
+
+      // write view projection matrix if renderer is available
+      auto lightRenderer = lightComp->GetRenderer();
+      if (lightRenderer)
+        lightPtr->pvMatrix = lightRenderer->GetCPUCameraData().viewProjectionMatrix;
       break;
     }
     case SH_LIGHT_TYPE::POINT:
@@ -499,6 +504,12 @@ namespace SHADE
 
     for (auto& light : lightComps)
     {
+      if (auto renderer = light.GetRenderer())
+      {
+        //SHMatrix orthoMatrix = SHMatrix::OrthographicRH()
+        renderer->UpdateDataManual(frameIndex, GetViewMatrix(&light), SHMatrix::OrthographicLH(12.0f, 12.0f, 0.1f, 20.0f));
+      }
+
       auto enumValue = SHUtilities::ConvertEnum(light.GetLightData().type);
 
       // First we want to make sure the light is already bound to the system. if it
@@ -520,14 +531,6 @@ namespace SHADE
         // Light is now updated in the container
         //light.ClearDirtyFlag();
       }
-
-      
-      if (auto renderer = light.GetRenderer())
-      {
-        //SHMatrix orthoMatrix = SHMatrix::OrthographicRH()
-        renderer->UpdateDataManual (frameIndex, GetViewMatrix(&light), SHMatrix::OrthographicLH(12.0f, 12.0f, 0.1f, 20.0f));
-
-      }
     }
 
     // Write data to GPU

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

@@ -3,12 +3,14 @@
 #include "Resource/SHHandle.h"
 #include "Math/Vector/SHVec3.h"
 #include "Math/Vector/SHVec4.h"
+#include "Math/SHMatrix.h"
 #include "SHLightData.h"
 #include <array>
 #include "Graphics/MiddleEnd/Interface/SHGraphicsConstants.h"
 #include "Graphics/RenderGraph/SHRenderGraphResource.h"
 #include "ECS_Base/SHECSMacros.h"
 
+
 namespace SHADE
 {
   class SHVkLogicalDevice;
@@ -39,6 +41,9 @@ namespace SHADE
     //! Diffuse color emitted by the light
     alignas (16) SHVec4 diffuseColor;
 
+    //! Matrix for world to projection from light's perspective
+    SHMatrix pvMatrix;
+
   };
 
   // Represents how the data will be interpreted in GPU. we want to copy to a container of these before passing to GPU.

SHADE_Engine/src/Graphics/Pipeline/SHVkPipelineLayout.cpp

@@ -208,7 +208,9 @@ namespace SHADE
                 newBinding.flags = vk::DescriptorBindingFlagBits::eVariableDescriptorCount;
               }
               else
+              {
                 SHLOG_ERROR("Variable size binding is detected, but the binding is not the last binding of the set and is therefore invalid. ");
+              }
             }
 
             setsWithBindings[CURRENT_SET].emplace_back(newBinding);