Shadows WIP

Assets/Application.SHConfig

@@ -1,4 +1,4 @@
 Start in Fullscreen: false
-Starting Scene ID: 86098106
+Starting Scene ID: 87285316
 Window Size: {x: 1920, y: 1080}
 Window Title: SHADE Engine

Assets/Scenes/Scene2.shade

@@ -5,8 +5,9 @@
   Components:
     Transform Component:
       Translate: {x: 0, y: 0.304069757, z: 1.73034382}
-      Rotate: {x: 0, y: 0, z: 0}
+      Rotate: {x: -1.48352981, y: 0, z: 0}
       Scale: {x: 1, y: 1, z: 1}
+      IsActive: true
     Camera Component:
       Position: {x: 0, y: 0.304069757, z: 1.73034382}
       Pitch: 0
@@ -17,6 +18,7 @@
       Near: 0.00999999978
       Far: 10000
       Perspective: true
+      IsActive: true
   Scripts: ~
 - EID: 1
   Name: Raccoon
@@ -27,9 +29,11 @@
       Translate: {x: 0, y: 0, z: 0}
       Rotate: {x: 0, y: 0, z: 0}
       Scale: {x: 1, y: 1, z: 1}
+      IsActive: true
     Renderable Component:
       Mesh: 149697411
       Material: 126974645
+      IsActive: true
   Scripts: ~
 - EID: 3
   Name: Bag
@@ -40,9 +44,11 @@
       Translate: {x: 0.006237939, y: -0.000393368304, z: 0}
       Rotate: {x: -0, y: 2.79945588, z: 0}
       Scale: {x: 1.0000881, y: 1, z: 1.0000881}
+      IsActive: true
     Renderable Component:
       Mesh: 144838771
       Material: 123745521
+      IsActive: true
   Scripts: ~
 - EID: 2
   Name: DirectionalLight
@@ -56,6 +62,7 @@
       Color: {x: 1, y: 1, z: 1, w: 1}
       Layer: 4294967295
       Strength: 0
+      IsActive: true
   Scripts: ~
 - EID: 4
   Name: AmbientLight
@@ -69,4 +76,20 @@
       Color: {x: 1, y: 1, z: 1, w: 1}
       Layer: 4294967295
       Strength: 0.600000024
+      IsActive: true
+  Scripts: ~
+- EID: 5
+  Name: Floor
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Transform Component:
+      Translate: {x: 0, y: 0.0810000002, z: 0}
+      Rotate: {x: -1.57079637, y: 0, z: 0}
+      Scale: {x: 50, y: 50, z: 50}
+      IsActive: true
+    Renderable Component:
+      Mesh: 141771688
+      Material: 124370424
+      IsActive: true
   Scripts: ~

Assets/Shaders/DeferredComposite_CS.glsl

@@ -47,6 +47,11 @@ layout(std430, set = 1, binding = 4) buffer AmbientLightData
   AmbientLightStruct aLightData[];
 } AmbLightData;
 
+// bool IsInShadow (sampler2D shadowMap, vec2 coords, float depth, mat4 lightVP)
+// {
+//   // vec4 fragPosLightPOV = lightVP * 
+// }
+
 void main()
 { 
   // convenient variables
@@ -68,6 +73,16 @@ void main()
 
   vec4 shadowMapColor = vec4 (1.0f);
 
+  for (int i = 0; i < lightCounts.ambientLights; ++i)
+  {
+    if ((lightLayer & AmbLightData.aLightData[i].cullingMask) != 0)
+    {
+      // 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);
+    }
+  }
+
   for (int i = 0; i < lightCounts.directionalLights; ++i)
   {
     if ((lightLayer & DirLightData.dLightData[i].cullingMask) != 0)
@@ -81,32 +96,22 @@ void main()
       // Calculate the fragment color
       fragColor += DirLightData.dLightData[i].diffuseColor.rgb * diffuseStrength.rrr * pixelDiffuse;
 
+      // If the shadow map is enabled (test the bit)
       if ((DirLightData.dLightData[i].shadowData & uint(1)) == 1)
       {
         // calculate shadow map here
         vec2 texCoord = vec2 (gl_GlobalInvocationID.xy) / vec2 (imageSize (targetImage));
-        shadowMapColor = texture (shadowMaps[0], texCoord).xxxx;
       }
     }
   }
 
-  for (int i = 0; i < lightCounts.ambientLights; ++i)
-  {
-    if ((lightLayer & AmbLightData.aLightData[i].cullingMask) != 0)
-    {
-      // 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.rgb, 1.0f));
 
-  imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), shadowMapColor);
+  // imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), shadowMapColor);
   //imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), vec4(ssaoVal.rrr, 1.0f));
 
 }

Assets/Shaders/TestCube_FS.glsl

@@ -16,11 +16,12 @@ layout(location = 0) in struct
   vec4 vertPos; // location 0
   vec2 uv; // location = 1
   vec4 normal; // location = 2
+  vec4 worldPos; // location = 3 
 
 } In;
 
 // material stuff
-layout(location = 3) flat in struct
+layout(location = 4) flat in struct
 {
   int materialIndex;
   uint eid;
@@ -38,12 +39,14 @@ layout(location = 1) out uint outEntityID;
 layout(location = 2) out uint lightLayerIndices;
 layout(location = 3) out vec4 normals;
 layout(location = 4) out vec4 albedo;
+layout(location = 5) out vec4 worldSpacePosition;
 
 void main()
 {
   position = In.vertPos;
   normals = In.normal;
   albedo = texture(textures[nonuniformEXT(MatProp.data[In2.materialIndex].textureIndex)], In.uv) * MatProp.data[In2.materialIndex].color;
+  worldSpacePosition = In.worldPos;
 
   outEntityID = In2.eid;
   lightLayerIndices = In2.lightLayerIndex;

Assets/Shaders/TestCube_VS.glsl

@@ -17,11 +17,12 @@ layout(location = 0) out struct
   vec4 vertPos; // location 0
   vec2 uv; // location = 1
   vec4 normal; // location = 2
+  vec4 worldPos; // location = 3 
 
 } Out;
 
 // material stuff
-layout(location = 3) out struct
+layout(location = 4) out struct
 {
   int materialIndex;
   uint eid;
@@ -49,6 +50,8 @@ void main()
   // gBuffer position will be in view space
   Out.vertPos = modelViewMat * vec4(aVertexPos, 1.0f);
 
+  Out.worldPos = worldTransform * vec4 (aVertexPos, 1.0f);
+
   // uvs for texturing in fragment shader
   Out.uv = aUV;
 

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

@@ -131,6 +131,8 @@ namespace SHADE
     SHAssetManager::CompileAsset("../../Assets/Shaders/SSAO_CS.glsl", false);
     SHAssetManager::CompileAsset("../../Assets/Shaders/SSAOBlur_CS.glsl", false);
     SHAssetManager::CompileAsset("../../Assets/Shaders/PureCopy_CS.glsl", false);
+    SHAssetManager::CompileAsset("../../Assets/Shaders/TestCube_VS.glsl", false);
+    SHAssetManager::CompileAsset("../../Assets/Shaders/TestCube_FS.glsl", false);
 
     // Load Built In Shaders
     static constexpr AssetID VS_DEFAULT    = 39210065;  defaultVertShader       = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_DEFAULT);
@@ -194,6 +196,7 @@ namespace SHADE
     // Initialize world render graph
     renderGraph->Init("World Render Graph", device, swapchain, &resourceManager, renderContextCmdPools);
     renderGraph->AddResource("Position", { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT, SH_RENDER_GRAPH_RESOURCE_FLAGS::STORAGE }, true, windowDims.first, windowDims.second, vk::Format::eR32G32B32A32Sfloat);
+    renderGraph->AddResource("Position World Space", { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT, SH_RENDER_GRAPH_RESOURCE_FLAGS::STORAGE }, true, windowDims.first, windowDims.second, vk::Format::eR32G32B32A32Sfloat);
     renderGraph->AddResource("Normals", { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT, SH_RENDER_GRAPH_RESOURCE_FLAGS::STORAGE }, true, 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);
     renderGraph->AddResource("Albedo", { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT, SH_RENDER_GRAPH_RESOURCE_FLAGS::STORAGE }, true, windowDims.first, windowDims.second);
@@ -218,7 +221,8 @@ namespace SHADE
         "Albedo",
         "Depth Buffer",
         "SSAO",
-        "SSAO Blur"
+        "SSAO Blur", 
+        "Position World Space"
       },
       {}); // no predecessors
 
@@ -231,6 +235,7 @@ namespace SHADE
     gBufferSubpass->AddColorOutput("Light Layer Indices");
     gBufferSubpass->AddColorOutput("Normals");
     gBufferSubpass->AddColorOutput("Albedo");
+    gBufferSubpass->AddColorOutput("Position World Space");
     gBufferSubpass->AddDepthOutput("Depth Buffer", SH_RENDER_GRAPH_RESOURCE_FLAGS::DEPTH_STENCIL);
 
 
@@ -277,7 +282,7 @@ namespace SHADE
         "Normals",
         "Albedo",
         "Scene",
-        "SSAO Blur"
+        "SSAO Blur",
       },
       { SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_PASS .data()});
 
@@ -763,6 +768,9 @@ namespace SHADE
       // Create new renderer for the light component and give it to the light component
       Handle<SHRenderer> newRenderer = resourceManager.Create<SHRenderer>(device, swapchain->GetNumImages(), descPool, SHRenderer::PROJECTION_TYPE::ORTHOGRAPHIC);
       lightComp->SetRenderer (newRenderer);
+
+      // assign shadow map index to light component
+      lightComp->SetShadowMapIndex (lightingSubSystem->GetNumShadowMaps());
     }
 
     // Add the shadow map resource to the graph

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

@@ -129,6 +129,11 @@ namespace SHADE
     renderer = newRenderer;
   }
 
+  void SHLightComponent::SetShadowMapIndex(uint32_t index) noexcept
+  {
+    lightData.shadowMapIndex = index;
+  }
+
   SHLightData const& SHLightComponent::GetLightData(void) const noexcept
   {
     return lightData;

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

@@ -55,6 +55,7 @@ namespace SHADE
     void SetStrength       (float value) noexcept; // serialized
     void SetEnableShadow   (bool flag) noexcept;
     void SetRenderer       (Handle<SHRenderer> newRenderer) noexcept;
+    void SetShadowMapIndex (uint32_t index) noexcept;
     
 
     SHLightData const& GetLightData     (void) const noexcept; 

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

@@ -395,7 +395,7 @@ namespace SHADE
     switch (lightComp->GetLightData().type)
     {
     case SH_LIGHT_TYPE::DIRECTIONAL:
-      return SHMatrix::Transpose (SHMatrix::LookAtLH(/*lightComp->GetLightData().position*/SHVec3(-0.7768f, 3.82611f, 9.23839f), SHVec3(-0.7619f, 3.30361f, 8.38588f), SHVec3(0.0f, -1.0f, 0.0f)));
+      return SHMatrix::Transpose (SHMatrix::LookAtLH(/*lightComp->GetLightData().position*/SHVec3(1.27862f, 4.78952f, 4.12811f), SHVec3(-0.280564f, -0.66262f, -0.69422f), SHVec3(0.0f, -1.0f, 0.0f)));
     case SH_LIGHT_TYPE::POINT:
       return {};
     case SH_LIGHT_TYPE::SPOT:
@@ -478,6 +478,7 @@ namespace SHADE
 //#endif
 
     shadowMapSampler = inShadowMapSampler;
+    shadowMaps.clear();
     //numLightComponents = 0;
 #pragma endregion 
   }
@@ -516,7 +517,7 @@ namespace SHADE
       if (auto renderer = light.GetRenderer())
       {
         //SHMatrix orthoMatrix = SHMatrix::OrthographicRH()
-        renderer->UpdateDataManual(frameIndex, GetViewMatrix(&light), SHMatrix::OrthographicLH(12.0f, 12.0f, 0.1f, 20.0f));
+        renderer->UpdateDataManual(frameIndex, GetViewMatrix(&light), SHMatrix::OrthographicLH(9.0f, 9.0f, 0.1f, 20.0f));
       }
 
       auto enumValue = SHUtilities::ConvertEnum(light.GetLightData().type);
@@ -595,7 +596,7 @@ namespace SHADE
   uint32_t SHLightingSubSystem::AddShadowMap(Handle<SHRenderGraphResource> newShadowMap, EntityID lightEntity) noexcept
   {
     // Add to container of shadow maps
-    shadowMapIndexing.emplace(lightEntity, shadowMaps.size());
+    shadowMapIndexing.emplace(lightEntity, static_cast<uint32_t> (shadowMaps.size()));
     shadowMaps.emplace_back(newShadowMap);
 
     // Just use the image view stored in the resource
@@ -684,4 +685,9 @@ namespace SHADE
     return shadowMapImageSamplers[index];
   }
 
+  uint32_t SHLightingSubSystem::GetNumShadowMaps(void) const noexcept
+  {
+    return static_cast<uint32_t>(shadowMaps.size());
+  }
+
 }

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

@@ -223,6 +223,7 @@ namespace SHADE
     /*-----------------------------------------------------------------------*/
     Handle<SHVkDescriptorSetGroup> GetLightDataDescriptorSet (void) const noexcept;
     std::tuple<Handle<SHVkImageView>, Handle<SHVkSampler>, vk::ImageLayout> const& GetViewSamplerLayout (uint32_t index) const noexcept;
+    uint32_t GetNumShadowMaps (void) const noexcept;
 
   };
 }