private void ScreenQuadPass(StandardFrameData frameData, DepthStencilView depthStencilView, RenderTargetView renderTargetView)
{
GetContext.OutputMerger.SetRenderTargets(null, downSamplingTargetView);
SetDepthStencilState(DepthStencilStates.Greater);
SetBlendState(BlendStates.Opaque);
GetContext.Rasterizer.SetViewport(new Viewport(
0, 0,
RenderBackend.DisplayRef.Width / 4,
RenderBackend.DisplayRef.Height / 4,
0.0f, 1.0f
));
SetVertexShader("ScreenQuadVS");
//GetContext.VertexShader.SetConstantBuffer(0, null);
//GetContext.VertexShader.SetConstantBuffer(1, null);
GetContext.InputAssembler.InputLayout = QuadLayoyt;
//GetContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.PointList;
SetPixelShader("DownSamplingPS");
GetContext.PixelShader.SetConstantBuffer(0, ScreenParameters);
ScreenParametersBuffer.CurrentFPS = (int)(1.0f / RenderBackend.EngineRef.Time.DeltaTime);
GetContext.UpdateSubresource(ref ScreenParametersBuffer, ScreenParameters);
GetContext.PixelShader.SetShaderResource(0, hdrSRV);
GetContext.PixelShader.SetShaderResource(1, null);
GetContext.PixelShader.SetShaderResource(2, null);
GetContext.PixelShader.SetSampler(0, RenderBackend.SharedRenderItems.GetSamplerState(SamplerType.BilinearClamp));
RenderBackend.DrawWrapper(4, 0);
GetContext.Rasterizer.SetViewport(new Viewport(
0, 0,
RenderBackend.DisplayRef.Width,
RenderBackend.DisplayRef.Height,
0.0f, 1.0f
));
GetContext.OutputMerger.SetRenderTargets(null, renderTargetView);
SetPixelShader("ScreenQuadPS");
GetContext.PixelShader.SetConstantBuffer(0, ScreenParameters);
ScreenParametersBuffer.CurrentFPS = (int)(1.0f / RenderBackend.EngineRef.Time.DeltaTime);
GetContext.UpdateSubresource(ref ScreenParametersBuffer, ScreenParameters);
GetContext.PixelShader.SetShaderResource(0, hdrSRV);
GetContext.PixelShader.SetShaderResource(1, velocitySRV);
GetContext.PixelShader.SetShaderResource(2, RenderBackend.DisplayRef.DepthStencilSRVRef);
GetContext.PixelShader.SetSampler(0, RenderBackend.SharedRenderItems.GetSamplerState(SamplerType.BilinearClamp));
RenderBackend.DrawWrapper(4, 0);
GetContext.PixelShader.SetConstantBuffer(0, PerObjConstantBuffer);
}
private void WireframePass(StandardFrameData frameData, DepthStencilView depthStencilView, RenderTargetView renderTargetView)
{
CurrentPass = Pass.Wireframe;
GetContext.OutputMerger.SetTargets(depthStencilView, renderTargetView);
SetDepthStencilState(DepthStencilStates.Greater);
// Bind buffers
m_PerFrameConstBuffer = new CommonStructs.ConstBufferPerFrameStruct()
{
Projection = frameData.CamerasList[0].Projection,
ProjectionInv = Matrix.Invert(frameData.CamerasList[0].Projection),
CameraPos = frameData.CamerasList[0].Position,
AlphaTest = 0.5f,
MaxNumLightsPerTile = (uint)0,
//TODO: provide lights number
NumLights = (uint)400,
WindowHeight = (uint)RenderBackend.DisplayRef.Height,
WindowWidth = (uint)RenderBackend.DisplayRef.Width,
};
GetContext.UpdateSubresource(ref m_PerFrameConstBuffer, PerFrameConstantBuffer);
SetVertexShader("CommonVS");
SetPixelShader("ForwardPlusPosTexPS");
GetContext.InputAssembler.InputLayout = GetSharedItems.StandardInputLayout;
SetRasterizerState(RasterizerStates.WireframeBackCull);
m_PerObjectConstBuffer.AlbedoColor = new Vector4(0.8f, 0.5f, 0.5f, 1.0f);
string MeshName = "";
foreach (var rendererData in frameData.RenderersList)
{
if (MeshName != rendererData.MeshName)
{
MeshName = rendererData.MeshName;
SetMesh(MeshName);
}
m_PerObjectConstBuffer.WorldMatrix = rendererData.TransformMatrix;
m_PerObjectConstBuffer.WorldViewMatrix = rendererData.TransformMatrix * frameData.CamerasList[0].View;
m_PerObjectConstBuffer.WorldViewProjMatrix = rendererData.TransformMatrix * frameData.CamerasList[0].ViewProjection;
GetContext.UpdateSubresource(ref m_PerObjectConstBuffer, PerObjConstantBuffer);
RenderBackend.DrawIndexedWrapper(m_CachedMesh.IndexCount, 0, 0);
}
}
private void ColourPass(StandardFrameData frameData, DepthStencilView depthStencilView, RenderTargetView renderTargetView)
{
CurrentPass = Pass.ColourPass;
// Setup targets and states
// renderTargetView
GetContext.OutputMerger.SetRenderTargets(depthStencilView, hdrRenderTargetView);
SetDepthStencilState(DepthStencilStates.EqualAndDisableWrite);
// Setup vertex shader
SetVertexShader("CommonVS");
GetContext.InputAssembler.InputLayout = GetSharedItems.StandardInputLayout;
// Bind buffers
m_PerFrameConstBuffer = new CommonStructs.ConstBufferPerFrameStruct()
{
Projection = frameData.CamerasList[0].Projection,
ProjectionInv = Matrix.Invert(frameData.CamerasList[0].Projection),
CameraPos = frameData.CamerasList[0].Position,
AlphaTest = 0.5f,
MaxNumLightsPerTile = (uint)0,
//TODO: provide lights number
NumLights = (uint)400,
WindowHeight = (uint)RenderBackend.DisplayRef.Height,
WindowWidth = (uint)RenderBackend.DisplayRef.Width,
};
int n = frameData.LightsList.Count;
n = n > 3 ? 3 : n;
// Lights buffer max x3
StandardFrameData.LightData light;
for (int i = 0; i < n; i++)
{
light = frameData.LightsList[i];
m_LightBuffer[i].viewProjMatrix = light.ViewProjection;
m_LightBuffer[i].lightTint = Vector4.One;
m_LightBuffer[i].type = (float)light.Type;
m_LightBuffer[i].position = light.Position;
m_LightBuffer[i].direction = light.Direction;
m_LightBuffer[i].distanceSqr = light.Radius * light.Radius;
}
GetContext.UpdateSubresource(ref m_PerFrameConstBuffer, PerFrameConstantBuffer);
GetContext.UpdateSubresource(m_LightBuffer, LightBuffer);
// Draw scene
string MeshName = "";
string MaterialName = "";
int MaterialQueue = -999999;
foreach (var rendererData in frameData.RenderersList)
{
if (MaterialName != rendererData.MaterialName)
{
MaterialName = rendererData.MaterialName;
SetMaterial(MaterialName, MaterialQueue != rendererData.MaterialQueue);
MaterialQueue = rendererData.MaterialQueue;
}
if (MeshName != rendererData.MeshName)
{
MeshName = rendererData.MeshName;
SetMesh(MeshName);
}
m_PerObjectConstBuffer.WorldMatrix = rendererData.TransformMatrix;
m_PerObjectConstBuffer.WorldViewMatrix = rendererData.TransformMatrix * frameData.CamerasList[0].View;
m_PerObjectConstBuffer.WorldViewProjMatrix = rendererData.TransformMatrix * frameData.CamerasList[0].ViewProjection;
GetContext.UpdateSubresource(ref m_PerObjectConstBuffer, PerObjConstantBuffer);
RenderBackend.DrawIndexedWrapper(m_CachedMesh.IndexCount, 0, 0);
}
}
private void DepthPrePass(StandardFrameData frameData, DepthStencilView depthStencilView, RenderTargetView renderTargetView)
{
CurrentPass = Pass.DepthPrePass;
// Setup targets and states
GetContext.OutputMerger.SetTargets(depthStencilView, (RenderTargetView)null);
SetDepthStencilState(DepthStencilStates.Greater);
SetRasterizerState(RasterizerStates.SolidBackCull);
GetContext.InputAssembler.InputLayout = GetSharedItems.StandardInputLayout;
// Setup vertex shader
GetContext.VertexShader.Set(AssetsLoader.GetShader <VertexShader>("ForwardPlusPosOnlyVS"));
// Cleanup pixel shader
GetContext.PixelShader.Set(null);
for (int i = 0; i < 2; i++)
{
GetContext.PixelShader.SetShaderResources(0, i, (ShaderResourceView)null);
}
GetContext.PixelShader.SetSamplers(0, 1, (SamplerState)null);
m_PerFrameConstBuffer = new CommonStructs.ConstBufferPerFrameStruct()
{
Projection = frameData.CamerasList[0].Projection,
ProjectionInv = Matrix.Invert(frameData.CamerasList[0].Projection),
CameraPos = frameData.CamerasList[0].Position,
AlphaTest = 0.5f,
MaxNumLightsPerTile = (uint)0,
//TODO: provide lights number
NumLights = (uint)400,
WindowHeight = (uint)RenderBackend.DisplayRef.Height,
WindowWidth = (uint)RenderBackend.DisplayRef.Width,
};
GetContext.UpdateSubresource(ref m_PerFrameConstBuffer, PerFrameConstantBuffer);
string MeshName = "";
string MaterialName = "";
bool IsOpaquePass = true;
foreach (var rendererData in frameData.RenderersList)
{
if (MeshName != rendererData.MeshName)
{
MeshName = rendererData.MeshName;
SetMesh(MeshName);
}
if (MaterialName != rendererData.MaterialName)
{
MaterialName = rendererData.MaterialName;
SetMaterial(MaterialName, false);
if (IsOpaquePass)
{
if (CurrentMaterialInstance.MetaMaterial.blendMode == ShaderGraph.MetaMaterial.BlendMode.Masked)
{
GetContext.OutputMerger.SetTargets(depthStencilView, renderTargetView);
SetRasterizerState(RasterizerStates.SolidNoneCull);
GetContext.PixelShader.SetSampler(0,
GetSharedItems.GetSamplerState(SamplerType.AnisotropicWrap));
//if (msaa) DepthOnlyAlphaToCoverageState
SetBlendState(BlendStates.DepthOnlyAlphaTest);
GetContext.VertexShader.Set(AssetsLoader.GetShader <VertexShader>("ForwardPlusPosTexVS"));
GetContext.PixelShader.Set(AssetsLoader.GetShader <PixelShader>("ForwardPlusPosTexPS"));
GetContext.PixelShader.SetShaderResources(0, 1,
GetSharedItems.LoadTextureSRV(CurrentMaterialInstance.AlbedoMapAsset));
GetContext.PixelShader.SetSamplers(0, 1,
GetSharedItems.GetSamplerState(SamplerType.BilinearClamp));
IsOpaquePass = false;
}
}
else
{
GetContext.PixelShader.SetShaderResources(0, 1,
GetSharedItems.LoadTextureSRV(CurrentMaterialInstance.AlbedoMapAsset));
}
if (CurrentMaterialInstance.MetaMaterial.blendMode > ShaderGraph.MetaMaterial.BlendMode.Masked)
{
break; // Break on translucent objects
}
}
m_PerObjectConstBuffer.WorldMatrix = rendererData.TransformMatrix;
m_PerObjectConstBuffer.WorldViewMatrix = rendererData.TransformMatrix * frameData.CamerasList[0].View;
m_PerObjectConstBuffer.WorldViewProjMatrix = rendererData.TransformMatrix * frameData.CamerasList[0].ViewProjection;
m_PerObjectConstBuffer.textureTiling = CurrentMaterialInstance.PropetyBlock.Tile;
m_PerObjectConstBuffer.textureShift = CurrentMaterialInstance.PropetyBlock.Shift;
GetContext.UpdateSubresource(ref m_PerObjectConstBuffer, PerObjConstantBuffer);
RenderBackend.DrawIndexedWrapper(m_CachedMesh.IndexCount, 0, 0);
}
}
private void DepthPrePassWithVelocity(StandardFrameData frameData, DepthStencilView depthStencilView)
{
CurrentPass = Pass.DepthPrePass;
// Setup targets and states
GetContext.OutputMerger.SetTargets(depthStencilView, (RenderTargetView)null);
SetDepthStencilState(DepthStencilStates.Greater);
GetContext.InputAssembler.InputLayout = DepthPassLayout;
// Setup vertex shader
SetVertexShader("ForwardPlusPosOnlyVS");
// Cleanup pixel shader
GetContext.PixelShader.Set(null);
for (int i = 0; i < 2; i++)
{
GetContext.PixelShader.SetShaderResources(0, i, (ShaderResourceView)null);
}
GetContext.PixelShader.SetSamplers(0, 1, (SamplerState)null);
// Draw opaque
string MeshName = "";
int MaterialQueue = -999999;
DynamicMeshes.Clear();
foreach (var rendererData in frameData.RenderersList)
{
if (rendererData.IsDynamic)
{
DynamicMeshes.Add(rendererData);
continue;
}
if (MaterialQueue != rendererData.MaterialQueue)
{
MaterialQueue = rendererData.MaterialQueue;
// TODO: correct changing
//SetMergerStates(AssetsLoader.LoadMaterial(rendererData.MaterialName).MetaMaterial);*/
//SetMergerStates(MaterialQueue);
}
if (MeshName != rendererData.MeshName)
{
MeshName = rendererData.MeshName;
SetMesh(MeshName);
}
m_PerObjectConstBuffer.WorldMatrix = rendererData.TransformMatrix;
m_PerObjectConstBuffer.WorldViewMatrix = rendererData.TransformMatrix * frameData.CamerasList[0].View;
m_PerObjectConstBuffer.WorldViewProjMatrix = rendererData.TransformMatrix * frameData.CamerasList[0].ViewProjection;
m_PerObjectConstBuffer.PreviousWorldViewProjMatrix = rendererData.PreviousTransformMatrix * frameData.CamerasList[0].PreviousViewProjection;
GetContext.UpdateSubresource(ref m_PerObjectConstBuffer, PerObjConstantBuffer);
RenderBackend.DrawIndexedWrapper(m_CachedMesh.IndexCount, 0, 0);
}
GetContext.OutputMerger.SetTargets(depthStencilView, velocityRenderTargetView);
GetContext.ClearRenderTargetView(velocityRenderTargetView, Color.Yellow);
// Setup pixel shader
SetPixelShader("VelocityPS");
foreach (var rendererData in DynamicMeshes)
{
if (MaterialQueue != rendererData.MaterialQueue)
{
MaterialQueue = rendererData.MaterialQueue;
// TODO: correct changing
//SetMergerStates(AssetsLoader.LoadMaterial(rendererData.MaterialName).MetaMaterial);*/
//SetMergerStates(MaterialQueue);
}
if (MeshName != rendererData.MeshName)
{
MeshName = rendererData.MeshName;
SetMesh(MeshName);
}
m_PerObjectConstBuffer.WorldMatrix = rendererData.TransformMatrix;
m_PerObjectConstBuffer.WorldViewMatrix = rendererData.TransformMatrix * frameData.CamerasList[0].View;
m_PerObjectConstBuffer.WorldViewProjMatrix = rendererData.TransformMatrix * frameData.CamerasList[0].ViewProjection;
m_PerObjectConstBuffer.PreviousWorldViewProjMatrix = rendererData.PreviousTransformMatrix * frameData.CamerasList[0].PreviousViewProjection;
GetContext.UpdateSubresource(ref m_PerObjectConstBuffer, PerObjConstantBuffer);
RenderBackend.DrawIndexedWrapper(m_CachedMesh.IndexCount, 0, 0);
}
//TODO: Alpha to coverage pre-pass
}
/// <summary>
/// Draw indexed, non-instanced primitives. Wrapper for collect drawcalls statistics.
/// </summary>
/// <param name="indexCount">Number of indices to draw.</param>
/// <param name="startIndexLocation">The location of the first index read by the GPU from the index buffer.</param>
/// <param name="baseVertexLocation">A value added to each index before reading a vertex from the vertex buffer.</param>
protected void DX_DrawIndexed(int indexCount, int startIndexLocation, int baseVertexLocation)
{
RenderBackend.DrawIndexedWrapper(indexCount, startIndexLocation, baseVertexLocation);
}
/// <summary>
/// Draw non-indexed, non-instanced primitives. Wrapper for collect drawcalls statistics.
/// </summary>
/// <param name="vertexCount"></param>
/// <param name="startVertexLocation"></param>
protected void DX_Draw(int vertexCount, int startVertexLocation)
{
RenderBackend.DrawWrapper(vertexCount, startVertexLocation);
}
