// this is tricky call. The method assumes that Draw() has been called in this frame public void DrawGlass(MyRenderContext RC) { RC.SetPrimitiveTopology(PrimitiveTopology.TriangleList); RC.SetViewport(m_viewport.OffsetX, m_viewport.OffsetY, m_viewport.Width, m_viewport.Height); //RC.SetRtvs(m_gbuffer, MyDepthStencilAccess.ReadWrite); <- the rtv is set out of the pass... FillConstantBuffer(RC, MyCommon.ProjectionConstants, Matrix.Transpose(m_viewProjMatrix)); RC.VertexShader.SetConstantBuffer(MyCommon.FRAME_SLOT, MyCommon.FrameConstants); RC.VertexShader.SetConstantBuffer(MyCommon.PROJECTION_SLOT, MyCommon.ProjectionConstants); RC.PixelShader.SetSamplers(0, MySamplerStateManager.StandardSamplers); RC.PixelShader.SetConstantBuffer(MyCommon.FRAME_SLOT, MyCommon.FrameConstants); RC.PixelShader.SetSrv(MyCommon.DITHER_8X8_SLOT, MyGeneratedTextureManager.Dithering8x8Tex); IConstantBuffer cbObjectData = GetPlaceholderObjectCB(RC, 255); // <- the lod value does not matter in this case RC.VertexShader.SetConstantBuffer(MyCommon.OBJECT_SLOT, cbObjectData); //RC.PixelShader.SetConstantBuffer(MyCommon.OBJECT_SLOT, cbObjectData); foreach (var itGroup in m_drawableGroupFactory.GetRawDrawableGroups()) { MyRenderProxy.Assert(itGroup.InstancesCount != 0); MyRenderProxy.Assert(itGroup.InstancesCount == itGroup.InstancesIncrement); if (itGroup.Lod.GlassParts == null) { continue; } foreach (var part in itGroup.Lod.GlassParts) { MyGlassMaterial material = part.GlassMaterial; RC.SetVertexBuffer(0, part.Parent.VB0); RC.SetVertexBuffer(1, part.Parent.VB1); RC.SetVertexBuffer(2, m_vbInstances); RC.SetIndexBuffer(part.Parent.IB); MyShaderBundle shaderBundle = part.GetShaderBundle(itGroup.State); RC.SetInputLayout(shaderBundle.InputLayout); RC.VertexShader.Set(shaderBundle.VertexShader); RC.PixelShader.Set(shaderBundle.PixelShader); RC.PixelShader.SetSrvs(0, material.Srvs); RC.PixelShader.SetConstantBuffer(MyCommon.OBJECT_SLOT, GetGlassCB(RC, material)); int numInstances = itGroup.InstancesCount; int ibOffset = itGroup.OffsetInInstanceBuffer + (part.InstanceMaterialOffsetInLod + 1) * itGroup.InstancesCount; RC.DrawIndexedInstanced(part.IndicesCount, numInstances, part.StartIndex, part.StartVertex, ibOffset); } } }
unsafe IConstantBuffer GetGlassCB(MyRenderContext RC, MyGlassMaterial material) { StaticGlassConstants glassConstants = new StaticGlassConstants(); glassConstants.Color = material.Color; glassConstants.Reflective = material.Refraction; var glassCB = MyCommon.GetMaterialCB(sizeof(StaticGlassConstants)); var mapping = MyMapping.MapDiscard(RC, glassCB); mapping.WriteAndPosition(ref glassConstants); mapping.Unmap(); return(glassCB); }