private static int GetShaderKey(MyBlurDensityFunctionType densityFunctionType, int maxOffset, bool copyOnStencilFail, bool useDepthDiscard)
{
return (copyOnStencilFail ? 1 : 0) << 31 |
(useDepthDiscard ? 1 : 0) << 30 |
(((int)densityFunctionType + 1) << 15) |
(maxOffset);
}
private static int GetShaderKey(MyBlurDensityFunctionType densityFunctionType, int maxOffset, bool copyOnStencilFail, bool useDepthDiscard)
{
return((copyOnStencilFail ? 1 : 0) << 31 |
(useDepthDiscard ? 1 : 0) << 30 |
(((int)densityFunctionType + 1) << 15) |
(maxOffset));
}
internal static void Run(RenderTargetView renderTarget, RenderTargetView intermediateRenderTarget, ShaderResourceView intermediateResourceView, ShaderResourceView initialResourceView,
int maxOffset = 5, MyBlurDensityFunctionType densityFunctionType = MyBlurDensityFunctionType.Gaussian, float WeightParameter = 1.5f,
DepthStencilState depthStencilState = null, int stencilRef = 0x0, bool copyOnStencilFail = false,
float depthDiscardThreshold = 0.0f, MyViewport?viewport = null)
{
ProfilerShort.Begin("MyBlur.Run");
MyGpuProfiler.IC_BeginBlock("MyBlur.Run");
Debug.Assert(initialResourceView != null);
Debug.Assert(intermediateResourceView != null);
Debug.Assert(intermediateRenderTarget != null);
Debug.Assert(renderTarget != null);
int shaderKey = InitShaders(densityFunctionType, maxOffset, copyOnStencilFail, depthDiscardThreshold);
RC.DeviceContext.PixelShader.SetConstantBuffer(5, m_blurConstantBuffer);
BlurConstants constants = new BlurConstants
{
DistributionWeight = WeightParameter,
StencilRef = stencilRef,
};
var mapping = MyMapping.MapDiscard(m_blurConstantBuffer);
mapping.WriteAndPosition(ref constants);
mapping.Unmap();
// Horizontal pass
MyRender11.DeviceContext.ClearRenderTargetView(intermediateRenderTarget, Color4.White);
RC.DeviceContext.OutputMerger.SetTargets(intermediateRenderTarget);
RC.SetDS(depthStencilState, stencilRef);
RC.DeviceContext.PixelShader.SetShaderResource(0, MyGBuffer.Main.DepthStencil.m_SRV_depth);
RC.DeviceContext.PixelShader.SetShaderResource(4, MyGBuffer.Main.DepthStencil.m_SRV_stencil);
RC.DeviceContext.PixelShader.SetShaderResource(5, initialResourceView);
RC.SetPS(m_blurShaders[shaderKey].Item1);
MyScreenPass.DrawFullscreenQuad(viewport);
RC.DeviceContext.PixelShader.SetShaderResource(5, null);
// Vertical pass
MyRender11.DeviceContext.ClearRenderTargetView(renderTarget, Color4.White);
RC.DeviceContext.OutputMerger.SetTargets(renderTarget);
RC.SetDS(depthStencilState, stencilRef);
RC.DeviceContext.PixelShader.SetShaderResource(0, MyGBuffer.Main.DepthStencil.m_SRV_depth);
RC.DeviceContext.PixelShader.SetShaderResource(4, MyGBuffer.Main.DepthStencil.m_SRV_stencil);
RC.DeviceContext.PixelShader.SetShaderResource(5, intermediateResourceView);
RC.SetPS(m_blurShaders[shaderKey].Item2);
MyScreenPass.DrawFullscreenQuad(viewport);
RC.DeviceContext.PixelShader.SetShaderResource(0, null);
RC.DeviceContext.PixelShader.SetShaderResource(4, null);
RC.DeviceContext.PixelShader.SetShaderResource(5, null);
MyGpuProfiler.IC_EndBlock();
ProfilerShort.End();
}
internal static void Run(RenderTargetView renderTarget, RenderTargetView intermediateRenderTarget, ShaderResourceView intermediateResourceView, ShaderResourceView initialResourceView,
int maxOffset = 5, MyBlurDensityFunctionType densityFunctionType = MyBlurDensityFunctionType.Gaussian, float WeightParameter = 1.5f,
DepthStencilState depthStencilState = null, int stencilRef = 0x0, bool copyOnStencilFail = false,
float depthDiscardThreshold = 0.0f, MyViewport? viewport = null)
{
ProfilerShort.Begin("MyBlur.Run");
MyGpuProfiler.IC_BeginBlock("MyBlur.Run");
Debug.Assert(initialResourceView != null);
Debug.Assert(intermediateResourceView != null);
Debug.Assert(intermediateRenderTarget != null);
Debug.Assert(renderTarget != null);
int shaderKey = InitShaders(densityFunctionType, maxOffset, copyOnStencilFail, depthDiscardThreshold);
RC.DeviceContext.PixelShader.SetConstantBuffer(5, m_blurConstantBuffer);
BlurConstants constants = new BlurConstants
{
DistributionWeight = WeightParameter,
StencilRef = stencilRef,
};
var mapping = MyMapping.MapDiscard(m_blurConstantBuffer);
mapping.WriteAndPosition(ref constants);
mapping.Unmap();
// Horizontal pass
MyRender11.DeviceContext.ClearRenderTargetView(intermediateRenderTarget, Color4.White);
RC.DeviceContext.OutputMerger.SetTargets(intermediateRenderTarget);
RC.SetDS(depthStencilState, stencilRef);
RC.DeviceContext.PixelShader.SetShaderResource(0, MyGBuffer.Main.DepthStencil.m_SRV_depth);
RC.DeviceContext.PixelShader.SetShaderResource(4, MyGBuffer.Main.DepthStencil.m_SRV_stencil);
RC.DeviceContext.PixelShader.SetShaderResource(5, initialResourceView);
RC.SetPS(m_blurShaders[shaderKey].Item1);
MyScreenPass.DrawFullscreenQuad(viewport);
RC.DeviceContext.PixelShader.SetShaderResource(5, null);
// Vertical pass
MyRender11.DeviceContext.ClearRenderTargetView(renderTarget, Color4.White);
RC.DeviceContext.OutputMerger.SetTargets(renderTarget);
RC.SetDS(depthStencilState, stencilRef);
RC.DeviceContext.PixelShader.SetShaderResource(0, MyGBuffer.Main.DepthStencil.m_SRV_depth);
RC.DeviceContext.PixelShader.SetShaderResource(4, MyGBuffer.Main.DepthStencil.m_SRV_stencil);
RC.DeviceContext.PixelShader.SetShaderResource(5, intermediateResourceView);
RC.SetPS(m_blurShaders[shaderKey].Item2);
MyScreenPass.DrawFullscreenQuad(viewport);
RC.DeviceContext.PixelShader.SetShaderResource(0, null);
RC.DeviceContext.PixelShader.SetShaderResource(4, null);
RC.DeviceContext.PixelShader.SetShaderResource(5, null);
MyGpuProfiler.IC_EndBlock();
ProfilerShort.End();
}
private static int InitShaders(MyBlurDensityFunctionType densityFunctionType, int maxOffset, float depthDiscardThreshold)
{
bool useDepthDiscard = depthDiscardThreshold > 0;
int shaderKey = GetShaderKey(densityFunctionType, maxOffset, useDepthDiscard);
if(!m_blurShaders.ContainsKey(shaderKey))
{
ShaderMacro depthMacro = new ShaderMacro(useDepthDiscard ? "DEPTH_DISCARD_THRESHOLD" : "", useDepthDiscard ? depthDiscardThreshold : 1);
var macrosHorizontal = new[] { new ShaderMacro("HORIZONTAL_PASS", null), new ShaderMacro("MAX_OFFSET", maxOffset), new ShaderMacro("DENSITY_FUNCTION", (int)densityFunctionType), depthMacro };
var macrosVertical = new[] { new ShaderMacro("VERTICAL_PASS", null), new ShaderMacro("MAX_OFFSET", maxOffset), new ShaderMacro("DENSITY_FUNCTION", (int)densityFunctionType), depthMacro };
var shaderPair = MyTuple.Create(MyShaders.CreatePs("Postprocess/Blur.hlsl", macrosHorizontal), MyShaders.CreatePs("Postprocess/Blur.hlsl", macrosVertical));
m_blurShaders.Add(shaderKey, shaderPair);
}
return shaderKey;
}
private static int InitShaders(MyBlurDensityFunctionType densityFunctionType, int maxOffset, float depthDiscardThreshold)
{
bool useDepthDiscard = depthDiscardThreshold > 0;
int shaderKey = GetShaderKey(densityFunctionType, maxOffset, useDepthDiscard);
if (!m_blurShaders.ContainsKey(shaderKey))
{
ShaderMacro depthMacro = new ShaderMacro(useDepthDiscard ? "DEPTH_DISCARD_THRESHOLD" : "", useDepthDiscard ? depthDiscardThreshold : 1);
var macrosHorizontal = new[] { new ShaderMacro("HORIZONTAL_PASS", null), new ShaderMacro("MAX_OFFSET", maxOffset), new ShaderMacro("DENSITY_FUNCTION", (int)densityFunctionType), depthMacro };
var macrosVertical = new[] { new ShaderMacro("VERTICAL_PASS", null), new ShaderMacro("MAX_OFFSET", maxOffset), new ShaderMacro("DENSITY_FUNCTION", (int)densityFunctionType), depthMacro };
var shaderPair = MyTuple.Create(MyShaders.CreatePs("Postprocess/Blur.hlsl", macrosHorizontal), MyShaders.CreatePs("Postprocess/Blur.hlsl", macrosVertical));
m_blurShaders.Add(shaderKey, shaderPair);
}
return(shaderKey);
}
/// <param name="clearColor">Color used to clear render targets. Defaults to black</param>
internal static void Run(IRtvBindable renderTarget, IRtvTexture intermediate, ISrvBindable initialResourceView,
int maxOffset = 5, MyBlurDensityFunctionType densityFunctionType = MyBlurDensityFunctionType.Gaussian, float WeightParameter = 1.5f,
IDepthStencilState depthStencilState = null, int stencilRef = 0x0, Color4 clearColor = default(Color4),
float depthDiscardThreshold = 0.0f, MyViewport? viewport = null)
{
ProfilerShort.Begin("MyBlur.Run");
MyGpuProfiler.IC_BeginBlock("MyBlur.Run");
Debug.Assert(initialResourceView != null);
Debug.Assert(intermediate != null);
Debug.Assert(renderTarget != null);
int shaderKey = InitShaders(densityFunctionType, maxOffset, depthDiscardThreshold);
RC.PixelShader.SetConstantBuffer(5, m_blurConstantBuffer);
BlurConstants constants = new BlurConstants
{
DistributionWeight = WeightParameter,
StencilRef = stencilRef,
};
var mapping = MyMapping.MapDiscard(m_blurConstantBuffer);
mapping.WriteAndPosition(ref constants);
mapping.Unmap();
// Horizontal pass
// NOTE: DepthStencilState is not used here because the resulted target
// would not be usable to perform vertical pass. DepthStencil is stil
// bindinded as SRV since it is sampled in the shader
RC.ClearRtv(intermediate, clearColor);
RC.SetRtv(intermediate);
RC.PixelShader.SetSrv(0, MyGBuffer.Main.DepthStencil.SrvDepth);
RC.PixelShader.SetSrv(4, MyGBuffer.Main.DepthStencil.SrvStencil);
RC.SetDepthStencilState(MyDepthStencilStateManager.IgnoreDepthStencil);
RC.PixelShader.SetSrv(5, initialResourceView);
RC.PixelShader.Set(m_blurShaders[shaderKey].Item1);
MyScreenPass.DrawFullscreenQuad(viewport);
RC.PixelShader.SetSrv(5, null);
// Vertical pass
RC.ClearRtv(renderTarget, clearColor);
if (depthStencilState == null)
{
RC.SetRtv(renderTarget);
}
else
{
RC.SetDepthStencilState(depthStencilState, stencilRef);
RC.SetRtv(MyGBuffer.Main.DepthStencil, MyDepthStencilAccess.ReadOnly, renderTarget);
}
RC.PixelShader.SetSrv(5, intermediate);
RC.PixelShader.Set(m_blurShaders[shaderKey].Item2);
MyScreenPass.DrawFullscreenQuad(viewport);
RC.PixelShader.SetSrv(0, null);
RC.PixelShader.SetSrv(4, null);
RC.PixelShader.SetSrv(5, null);
RC.SetRtv(null);
MyGpuProfiler.IC_EndBlock();
ProfilerShort.End();
}
/// <param name="clearColor">Color used to clear render targets. Defaults to black</param>
internal static void Run(IRtvBindable renderTarget, IRtvTexture intermediate, ISrvBindable initialResourceView,
int maxOffset = 5, MyBlurDensityFunctionType densityFunctionType = MyBlurDensityFunctionType.Gaussian, float WeightParameter = 1.5f,
IDepthStencilState depthStencilState = null, int stencilRef = 0x0, Color4 clearColor = default(Color4),
float depthDiscardThreshold = 0.0f, MyViewport?viewport = null)
{
ProfilerShort.Begin("MyBlur.Run");
MyGpuProfiler.IC_BeginBlock("MyBlur.Run");
Debug.Assert(initialResourceView != null);
Debug.Assert(intermediate != null);
Debug.Assert(renderTarget != null);
int shaderKey = InitShaders(densityFunctionType, maxOffset, depthDiscardThreshold);
RC.PixelShader.SetConstantBuffer(5, m_blurConstantBuffer);
BlurConstants constants = new BlurConstants
{
DistributionWeight = WeightParameter,
StencilRef = stencilRef,
};
var mapping = MyMapping.MapDiscard(m_blurConstantBuffer);
mapping.WriteAndPosition(ref constants);
mapping.Unmap();
// Horizontal pass
// NOTE: DepthStencilState is not used here because the resulted target
// would not be usable to perform vertical pass. DepthStencil is stil
// bindinded as SRV since it is sampled in the shader
RC.ClearRtv(intermediate, clearColor);
RC.SetRtv(intermediate);
RC.PixelShader.SetSrv(0, MyGBuffer.Main.DepthStencil.SrvDepth);
RC.PixelShader.SetSrv(4, MyGBuffer.Main.DepthStencil.SrvStencil);
RC.SetDepthStencilState(MyDepthStencilStateManager.IgnoreDepthStencil);
RC.PixelShader.SetSrv(5, initialResourceView);
RC.PixelShader.Set(m_blurShaders[shaderKey].Item1);
MyScreenPass.DrawFullscreenQuad(viewport);
RC.PixelShader.SetSrv(5, null);
// Vertical pass
RC.ClearRtv(renderTarget, clearColor);
if (depthStencilState == null)
{
RC.SetRtv(renderTarget);
}
else
{
RC.SetDepthStencilState(depthStencilState, stencilRef);
RC.SetRtv(MyGBuffer.Main.DepthStencil, MyDepthStencilAccess.ReadOnly, renderTarget);
}
RC.PixelShader.SetSrv(5, intermediate);
RC.PixelShader.Set(m_blurShaders[shaderKey].Item2);
MyScreenPass.DrawFullscreenQuad(viewport);
RC.PixelShader.SetSrv(0, null);
RC.PixelShader.SetSrv(4, null);
RC.PixelShader.SetSrv(5, null);
RC.SetRtv(null);
MyGpuProfiler.IC_EndBlock();
ProfilerShort.End();
}
