shadows WIP

Assets/Scenes/Scene2.shade

@@ -5,7 +5,7 @@
   Components:
     Transform Component:
       Translate: {x: 0, y: 0.304069757, z: 1.73034382}
-      Rotate: {x: -1.48352981, y: 0, z: 0}
+      Rotate: {x: 0, y: 0, z: 0}
       Scale: {x: 1, y: 1, z: 1}
       IsActive: true
     Camera Component:
@@ -26,8 +26,8 @@
   NumberOfChildren: 1
   Components:
     Transform Component:
-      Translate: {x: 0, y: 0, z: 0}
+      Translate: {x: -1.86388135, y: 0.0544953719, z: 0}
-      Rotate: {x: 0, y: 0, z: 0}
+      Rotate: {x: -0, y: 0, z: -0}
       Scale: {x: 1, y: 1, z: 1}
       IsActive: true
     Renderable Component:
@@ -56,9 +56,9 @@
   NumberOfChildren: 0
   Components:
     Light Component:
-      Position: {x: 0, y: 0, z: 0}
+      Position: {x: 3, y: 4.5, z: 7}
       Type: Directional
-      Direction: {x: 0, y: 0, z: 1}
+      Direction: {x: -0.298000008, y: 0.522498012, z: 0.798600018}
       Color: {x: 1, y: 1, z: 1, w: 1}
       Layer: 4294967295
       Strength: 0

Assets/Shaders/DeferredComposite_CS.glsl

@@ -24,7 +24,8 @@ layout(set = 3, binding = 1, rgba32f) uniform image2D normals;
 layout(set = 3, binding = 2, rgba8) uniform image2D albedo;
 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 = 3, binding = 5, rgba8) uniform image2D positionWorldSpace;
+layout(set = 3, binding = 6, rgba8) uniform image2D targetImage;
 
 layout (set = 4, binding = 0) uniform sampler2D shadowMaps[]; // for textures (global)
 
@@ -47,10 +48,12 @@ layout(std430, set = 1, binding = 4) buffer AmbientLightData
   AmbientLightStruct aLightData[];
 } AmbLightData;
 
-// bool IsInShadow (sampler2D shadowMap, vec2 coords, float depth, mat4 lightVP)
+float CalcShadowValue (sampler2D shadowMap, vec4 worldSpaceFragPos, mat4 lightPV)
-// {
+{
-//   // vec4 fragPosLightPOV = lightVP * 
+  vec4 fragPosLightPOV = lightPV * worldSpaceFragPos;
-// }
+  vec3 converted = (fragPosLightPOV.xyz / fragPosLightPOV.w) * vec3(0.5f) + vec3(0.5f);
+  return step (fragPosLightPOV.z, texture(shadowMap, converted.xy).r);
+}
 
 void main()
 { 
@@ -61,6 +64,9 @@ void main()
   vec3 pixelDiffuse = imageLoad (albedo, globalThread).rgb;
 
   // Get position of fragment in world space
+  vec4 positionWorld = vec4 (imageLoad (positionWorldSpace, globalThread).rgb, 1.0f);
+
+  // Get position of fragment in view spacee
   vec3 positionView = imageLoad (positions, globalThread).rgb;
 
   // normal of fragment
@@ -100,7 +106,7 @@ void main()
       if ((DirLightData.dLightData[i].shadowData & uint(1)) == 1)
       {
         // calculate shadow map here
-        vec2 texCoord = vec2 (gl_GlobalInvocationID.xy) / vec2 (imageSize (targetImage));
+        fragColor *= CalcShadowValue (shadowMaps[0], positionWorld, DirLightData.dLightData[i].pvMatrix).xxx;
       }
     }
   }
@@ -111,7 +117,11 @@ void main()
   // store result into result image
   imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), vec4(fragColor.rgb, 1.0f));
 
-  // imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), shadowMapColor);
+  // vec2 normTexCoords = vec2 (gl_GlobalInvocationID.xy) / vec2 (1024.0f);
-  //imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), vec4(ssaoVal.rrr, 1.0f));
+  // vec4 shadowMapVal = texture(shadowMaps[0], normTexCoords);
+  // if (normTexCoords.x > 1.0f || normTexCoords.y > 1.0f)
+  //   shadowMapVal = vec4(0.0f);
+
+  // imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), shadowMapVal.xxxx);
 
 }

SHADE_Engine/src/Camera/SHCameraSystem.cpp

@@ -313,7 +313,9 @@ namespace SHADE
         camera.orthoProjMatrix(2, 3) = -n / (f-n);
         camera.orthoProjMatrix(3, 3) = 1.0f;
 
-        //camera.orthoProjMatrix = SHMatrix::OrthographicRH(camera.GetWidth(), camera.GetHeight(), camera.GetNear(), camera.GetFar());
+        //camera.perspProjMatrix = SHMatrix::OrthographicLH(9.0f, 9.0f, 0.1f, 20.0f);
+        camera.orthoProjMatrix = SHMatrix::OrthographicRH(camera.GetWidth(), camera.GetHeight(), camera.GetNear(), camera.GetFar());
+        //camera.perspProjMatrix = SHMatrix::OrthographicLH(4.0f, 4.0f, 0.1f, 200.0f);
         //camera.projMatrix.Transpose();
 
         camera.dirtyProj = false;

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

@@ -283,6 +283,7 @@ namespace SHADE
         "Albedo",
         "Scene",
         "SSAO Blur",
+        "Position World Space"
       },
       { SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_PASS .data()});
 
@@ -290,7 +291,7 @@ namespace SHADE
     /*-----------------------------------------------------------------------*/
     /* DEFERRED COMPOSITE SUBPASS INIT                                       */
     /*-----------------------------------------------------------------------*/
-    auto deferredCompositeCompute = deferredCompositeNode->AddNodeCompute(SHGraphicsConstants::RenderGraphEntityNames::DEFERRED_COMPOSITE_COMPUTE.data(), deferredCompositeShader, {"Position", "Normals", "Albedo", "Light Layer Indices", "SSAO Blur", "Scene"}, {}, SHLightingSubSystem::MAX_SHADOWS);
+    auto deferredCompositeCompute = deferredCompositeNode->AddNodeCompute(SHGraphicsConstants::RenderGraphEntityNames::DEFERRED_COMPOSITE_COMPUTE.data(), deferredCompositeShader, {"Position", "Normals", "Albedo", "Light Layer Indices", "SSAO Blur", "Position World Space", "Scene"}, {}, SHLightingSubSystem::MAX_SHADOWS);
     deferredCompositeCompute->AddPreComputeFunction([=](Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex)
       {
         lightingSubSystem->PrepareShadowMapsForRead(cmdBuffer);

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

@@ -395,7 +395,8 @@ namespace SHADE
     switch (lightComp->GetLightData().type)
     {
     case SH_LIGHT_TYPE::DIRECTIONAL:
-      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)));
+      return SHMatrix::Transpose(SHMatrix::LookAtLH(lightComp->GetLightData().position, lightComp->GetLightData().direction, 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:
@@ -517,7 +518,7 @@ namespace SHADE
       if (auto renderer = light.GetRenderer())
       {
         //SHMatrix orthoMatrix = SHMatrix::OrthographicRH()
-        renderer->UpdateDataManual(frameIndex, GetViewMatrix(&light), SHMatrix::OrthographicLH(9.0f, 9.0f, 0.1f, 20.0f));
+        renderer->UpdateDataManual(frameIndex, GetViewMatrix(&light), SHMatrix::OrthographicLH(5.0f, 5.0f, 0.1f, 20.0f));
       }
 
       auto enumValue = SHUtilities::ConvertEnum(light.GetLightData().type);

SHADE_Engine/src/Graphics/MiddleEnd/Pipeline/SHPipelineLibrary.cpp

@@ -17,7 +17,7 @@ namespace SHADE
 
     SHPipelineLayoutParams params
     {
-      .shaderModules = std::move (modules),
+      .shaderModules = std::move(modules),
       .predefinedDescSetLayouts = SHGraphicsPredefinedData::GetSystemData(SHGraphicsPredefinedData::SystemType::BATCHING).descSetLayouts
     };
 
@@ -35,6 +35,7 @@ namespace SHADE
     auto const& subpassColorReferences = subpass->GetColorAttachmentReferences();
     colorBlendState.attachments.reserve(subpassColorReferences.size());
 
+
     for (auto& att : subpassColorReferences)
     {
     	colorBlendState.attachments.push_back(vk::PipelineColorBlendAttachmentState