public void Render(CommandList cl, ICustomShaderStageModel stage, GpuSurface t0, GpuSurface t1, GpuSurface t2, GpuSurface t3, GpuSurface target)
{
if (cl == null || stage == null || target == null)
{
_frameworkMessenger.Report("Warning: you are feeding a Custom Effect Stage Renderer null inputs, aborting");
return;
}
cl.SetPipeline(stage.Pipeline);
cl.SetFramebuffer(target.Framebuffer);
_viewportManager.ConfigureViewportForActiveFramebuffer(cl);
cl.SetVertexBuffer(0, _ndcQuadVertexBuffer.Buffer);
var assignedTextureCount = 0;
var numUniforms = stage.NumberUserUniforms;
for (var n = 0; n < numUniforms; n++)
{
if (stage.UserUniformType(n) == ShaderUniformType.Texture)
{
if (assignedTextureCount < 4)
{
GpuSurface surface = null;
switch (assignedTextureCount)
{
case 0:
surface = t0;
break;
case 1:
surface = t1;
break;
case 2:
surface = t2;
break;
case 3:
surface = t3;
break;
}
var resourceSet = surface == null ? _gpuSurfaceManager.SingleWhitePixel.ResourceSet_TexWrap : surface.ResourceSet_TexWrap;
cl.SetGraphicsResourceSet((uint)n, resourceSet);
assignedTextureCount++;
}
else
{
_frameworkMessenger.Report("Custom shader requires more than 4 textures. Should not have reached this stage...");
}
}
else
{
var resourceSet = stage.UserUniformResourceSet(n);
cl.SetGraphicsResourceSet((uint)n, resourceSet);
}
}
cl.Draw(6);
}
public void DispatchToRenderStage(ICustomShaderStageModel stage, CommandList cl, RenderCommandQueueItem command)
{
var surface = _surfaceManager.RetrieveSurface(command.Surface, new GpuSurfaceType[] { GpuSurfaceType.Texture, GpuSurfaceType.Internal });
var t0 = command.Camera == 0UL ? null : _surfaceManager.RetrieveSurface(command.Camera, new GpuSurfaceType[] { GpuSurfaceType.SwapChainOutput, GpuSurfaceType.Internal });
var t1 = command.Texture0 == 0UL ? null : _surfaceManager.RetrieveSurface(command.Texture0, new GpuSurfaceType[] { GpuSurfaceType.SwapChainOutput, GpuSurfaceType.Internal });
var t2 = command.Texture1 == 0UL ? null : _surfaceManager.RetrieveSurface(command.Texture1, new GpuSurfaceType[] { GpuSurfaceType.SwapChainOutput, GpuSurfaceType.Internal });
var t3 = command.SpareId0 == 0UL ? null : _surfaceManager.RetrieveSurface(command.SpareId0, new GpuSurfaceType[] { GpuSurfaceType.SwapChainOutput, GpuSurfaceType.Internal });
_customShaderRenderer.Render(cl, stage, t0, t1, t2, t3, surface);
}
public void CacheStageModel(ICustomShaderStageModel model) => CachedCustomShaderModel = model;
