Shadows WIP

- new subpass generated for shadow maps now use light's renderer
- Added support to pass in custom binding and location for vertex attributes
- SHLightingSubSystem GetViewMatrix uses SHMatrix::LookAtLH but with hard-coded values for now. This will eventually be replaced with real position and target values
- Created new shadow map rendering vertex input state.

SHADE_Engine/src/Camera/SHCameraSystem.cpp

@@ -270,8 +270,12 @@ namespace SHADE
       camera.viewMatrix(1, 3) = -UP.Dot(camera.position + camera.offset);
       camera.viewMatrix(2, 3) = -view.Dot(camera.position + camera.offset);
 
+      //SHVec3 target{ 0.0f,0.0f,-1.0f };
+      //target = SHVec3::RotateX(target, SHMath::DegreesToRadians(camera.pitch));
+      //target = SHVec3::RotateY(target, SHMath::DegreesToRadians(camera.yaw));
+      //target += camera.position;
 
-      
+      //camera.viewMatrix = SHMatrix::Transpose(SHMatrix::LookAtLH(camera.position, target, SHVec3(0.0f, -1.0f, 0.0f)));
 
       camera.dirtyView = false;
 		}

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

@@ -205,7 +205,7 @@ namespace SHADE
     defaultVertexInputState.AddBinding(true, true,   { SHVertexAttribute(SHAttribFormat::UINT32_2D) }); // Instanced integer data at index 8
 
     shadowMapVertexInputState.AddBinding(false, false, { SHVertexAttribute(SHAttribFormat::FLOAT_3D)});
-    shadowMapVertexInputState.AddBinding(true, true, { SHVertexAttribute(SHAttribFormat::MAT_4D) }, 4); // Transform at binding 4 - 7 (4 slots)
+    shadowMapVertexInputState.AddBinding(true, true, { SHVertexAttribute(SHAttribFormat::MAT_4D) }, 4, 4); // Transform at binding 4 - 7 (4 slots)
   }
 
   void SHGraphicsPredefinedData::Init(Handle<SHVkLogicalDevice> logicalDevice) noexcept

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

@@ -776,7 +776,7 @@ namespace SHADE
     auto shadowMapNode = renderGraph->AddNodeAfter(SHGraphicsConstants::RenderGraphNodeNames::SHADOW_MAP_PASS.data() + resourceName, {resourceName.c_str()}, SHGraphicsConstants::RenderGraphNodeNames::GBUFFER_PASS.data());
 
     // Add a subpass to render to that shadow map
-    auto newSubpass = shadowMapNode->RuntimeAddSubpass(resourceName + " Subpass", worldViewport, worldRenderer);
+    auto newSubpass = shadowMapNode->RuntimeAddSubpass(resourceName + " Subpass", worldViewport, lightComp->GetRenderer());
     //auto newSubpass = shadowMapNode->RuntimeAddSubpass(resourceName + " Subpass", worldViewport, lightComp->GetRenderer());
     newSubpass->AddDepthOutput(resourceName, SH_RENDER_GRAPH_RESOURCE_FLAGS::DEPTH_STENCIL);
 

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

@@ -381,7 +381,7 @@ namespace SHADE
     switch (lightComp->GetLightData().type)
     {
     case SH_LIGHT_TYPE::DIRECTIONAL:
-      return SHMatrix::LookAtRH(lightComp->GetLightData().position, lightComp->GetLightData().position + lightComp->GetLightData().direction, SHVec3(0.0f, 1.0f, 0.0f));
+      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)));
     case SH_LIGHT_TYPE::POINT:
       return {};
     case SH_LIGHT_TYPE::SPOT:
@@ -525,7 +525,7 @@ namespace SHADE
       if (auto renderer = light.GetRenderer())
       {
         //SHMatrix orthoMatrix = SHMatrix::OrthographicRH()
-        renderer->UpdateDataManual (frameIndex, GetViewMatrix(&light), SHMatrix::OrthographicRH(80.0f, 80.0f, 0.01f, 10000.0f));
+        renderer->UpdateDataManual (frameIndex, GetViewMatrix(&light), SHMatrix::OrthographicLH(12.0f, 12.0f, 0.1f, 20.0f));
 
       }
     }

SHADE_Engine/src/Graphics/Pipeline/SHPipelineState.cpp

@@ -195,7 +195,7 @@ namespace SHADE
     return *this;
   }
 
-  void SHVertexInputState::AddBinding(bool instanced, bool calcOffset, std::initializer_list<SHVertexAttribute> inAttribs, uint32_t fixedAttributeLocation/* = static_cast<uint32_t>(-1)*/) noexcept
+  void SHVertexInputState::AddBinding(bool instanced, bool calcOffset, std::initializer_list<SHVertexAttribute> inAttribs, uint32_t fixedBinding /*= static_cast<uint32_t>(-1)*/, uint32_t fixedAttributeLocation/* = static_cast<uint32_t>(-1)*/) noexcept
   {
     // add a binding and get ref to it
     bindings.emplace_back();
@@ -210,7 +210,7 @@ namespace SHADE
     // Offset is 0 at first (for first element)
     uint32_t offset = 0;
 
-    binding.binding = static_cast<uint32_t>(bindings.size() - 1);
+    binding.binding = (fixedBinding != static_cast<uint32_t>(-1)) ? fixedBinding : static_cast<uint32_t>(bindings.size() - 1);
 
     // for every attribute passed in
     for (auto const& attrib : inAttribs)
@@ -226,7 +226,7 @@ namespace SHADE
         auto& vertexAttrib = attributes.back();
 
         // The binding for that attribute description is index of the new binding created earlier in this function
-        vertexAttrib.binding = static_cast<uint32_t>(bindings.size() - 1);
+        vertexAttrib.binding = (fixedBinding != static_cast<uint32_t>(-1)) ? fixedBinding : static_cast<uint32_t>(bindings.size() - 1);
 
          //Attribute location. New index is simply + 1 of the previous. Starts from 0 obviously
         vertexAttrib.location = (fixedAttributeLocation != static_cast<uint32_t>(-1)) ? fixedAttributeLocation + i : static_cast<uint32_t>(attributes.size () - 1);

SHADE_Engine/src/Graphics/Pipeline/SHPipelineState.h

@@ -34,7 +34,7 @@ namespace SHADE
     SHVertexInputState& operator= (SHVertexInputState const& rhs) noexcept;
     SHVertexInputState& operator= (SHVertexInputState&& rhs) noexcept;
 
-    void AddBinding(bool instanced, bool calcOffset, std::initializer_list<SHVertexAttribute> inAttribs, uint32_t fixedAttributeLocation = static_cast<uint32_t>(-1)) noexcept;
+    void AddBinding(bool instanced, bool calcOffset, std::initializer_list<SHVertexAttribute> inAttribs, uint32_t fixedBinding = static_cast<uint32_t>(-1), uint32_t fixedAttributeLocation = static_cast<uint32_t>(-1)) noexcept;
 
     friend class SHVkPipelineState;
     friend class SHVkPipeline;