Passthrough shader for DirectX GUI

include/Rendering/DirectX/Rendering/Renderer.h

@@ -67,7 +67,8 @@ private:
 		float paddingBitch;
 	} constantBufferStruct;
 
-	ShaderProgram* shaderProgram = nullptr;
+	ShaderProgram* m_ForwardShaderProgram = nullptr;
+	ShaderProgram* m_GUIShaderProgram = nullptr;
 	ID3D11Buffer* constantBuffer = nullptr;
 
 	Model* m_UnitQuad = nullptr;

src/game/Rendering/DirectX/Renderer.cpp

@@ -101,9 +101,6 @@ void dd::Renderer::Initialize()
 	m_DeviceContext->OMSetBlendState(blendState, nullptr, 0xffffffff);
 
 
-	shaderProgram = new ShaderProgram();
-	shaderProgram->CompileVertexShader(L"Shaders/DirectX/vertex.hlsl");
-	shaderProgram->CompilePixelShader(L"Shaders/DirectX/pixel.hlsl");
 	D3D11_INPUT_ELEMENT_DESC VertexIED[] = {
 		{"POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0},
 		{"NORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, D3D11_APPEND_ALIGNED_ELEMENT, D3D11_INPUT_PER_VERTEX_DATA, 0},
@@ -117,8 +114,14 @@ void dd::Renderer::Initialize()
 		{"BLENDWEIGHT", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, D3D11_APPEND_ALIGNED_ELEMENT, D3D11_INPUT_PER_VERTEX_DATA, 0},
 		{"BLENDWEIGHT", 1, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, D3D11_APPEND_ALIGNED_ELEMENT, D3D11_INPUT_PER_VERTEX_DATA, 0},
 	};
-	shaderProgram->CreateInputLayout(VertexIED, sizeof(VertexIED) / sizeof(VertexIED[0]));
+	m_ForwardShaderProgram = new ShaderProgram();
-	shaderProgram->Bind();
+	m_ForwardShaderProgram->CompileVertexShader(L"Shaders/DirectX/vertex.hlsl");
+	m_ForwardShaderProgram->CompilePixelShader(L"Shaders/DirectX/pixel.hlsl");
+	m_ForwardShaderProgram->CreateInputLayout(VertexIED, sizeof(VertexIED) / sizeof(VertexIED[0]));
+	m_GUIShaderProgram = new ShaderProgram();
+	m_GUIShaderProgram->CompileVertexShader(L"Shaders/DirectX/vertex.hlsl");
+	m_GUIShaderProgram->CompilePixelShader(L"Shaders/DirectX/Flat.pixel.hlsl");
+	m_GUIShaderProgram->CreateInputLayout(VertexIED, sizeof(VertexIED) / sizeof(VertexIED[0]));
 
 	// Create constant buffer
 	// TODO: Put this in shader
@@ -170,6 +173,8 @@ void dd::Renderer::Draw(RenderQueueCollection& rq)
 	viewport.MaxDepth = 1;
 	m_DeviceContext->RSSetViewports(1, &viewport);
 	
+	m_ForwardShaderProgram->Bind();
+
 	Matrix proj = DirectX::SimpleMath::Matrix::CreatePerspectiveFieldOfView(m_Camera->m_FOV, m_Camera->m_AspectRatio, m_Camera->m_NearClip, m_Camera->m_FarClip); // Right-handed
 	Matrix view = Matrix::CreateTranslation(Vector3(m_Camera->Position().x, m_Camera->Position().y, -m_Camera->Position().z));
 	
@@ -263,6 +268,8 @@ void dd::Renderer::Draw(RenderQueueCollection& rq)
 	}
 
 	m_DeviceContext->OMSetRenderTargets(1, &m_BackBuffer, nullptr);
+	m_GUIShaderProgram->Bind();
+
 	for (auto &job : rq.GUI) {
 		auto frameJob = std::dynamic_pointer_cast<FrameJob>(job);
 		if (frameJob) {

src/game/Rendering/DirectX/Shaders/Flat.pixel.hlsl

@@ -0,0 +1,38 @@
+cbuffer ConstantBuffer
+{
+	float4x4 MVP;
+	float4x4 ModelMatrix;
+	float4x4 ViewMatrix;
+	float4x4 ProjectionMatrix;
+	float4x4 InverseTransposeViewModel;
+	float4 Color;
+	float4 LightPositions[10];
+	float4 LightColors[10];
+	float LightRadii[10];
+	uint NumLights;
+}
+
+Texture2D Texture;
+SamplerState samplerState;
+
+struct VOut
+{
+    float4 PixelPosition : SV_POSITION;
+	float4 Position : POSITION;
+	float4 Normal : NORMAL;
+	float4 Tangent : TANGENT0;
+	float4 BiTangent : TANGENT1;
+	float2 TextureCoord : TEXCOORD;
+	float4 DiffuseColor : COLOR0;
+	float4 SpecularColor : COLOR1;
+	float4 BoneIndices1 : BLENDINDICES0;
+	float4 BoneIndices2 : BLENDINDICES1;
+	float4 BoneWeights1 : BLENDWEIGHT0;
+	float4 BoneWeights2 : BLENDWEIGHT1;
+};
+
+float4 main(VOut input) : SV_TARGET
+{
+	float4 diffuseTexture = Texture.Sample(samplerState, input.TextureCoord) * Color;
+	return diffuseTexture;
+}