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9332b64809
#rb Francis.Hurteau #preflight 609e5182ef86d30001ad0a18 #rnx [CL 16328103 by danny couture in ue5-main branch]
90 lines
3.7 KiB
C++
90 lines
3.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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RequiredTextureResolutionRendering.cpp: Contains definitions for rendering the viewmode.
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=============================================================================*/
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#include "RequiredTextureResolutionRendering.h"
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#include "RendererPrivate.h"
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#include "ScenePrivate.h"
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#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
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IMPLEMENT_MATERIAL_SHADER_TYPE(,FRequiredTextureResolutionPS,TEXT("/Engine/Private/RequiredTextureResolutionPixelShader.usf"),TEXT("Main"),SF_Pixel);
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void FRequiredTextureResolutionInterface::GetDebugViewModeShaderBindings(
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const FDebugViewModePS& ShaderBase,
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const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy,
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const FMaterialRenderProxy& RESTRICT MaterialRenderProxy,
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const FMaterial& RESTRICT Material,
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EDebugViewShaderMode DebugViewMode,
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const FVector& ViewOrigin,
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int32 VisualizeLODIndex,
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int32 VisualizeElementIndex,
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int32 NumVSInstructions,
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int32 NumPSInstructions,
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int32 ViewModeParam,
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FName ViewModeParamName,
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FMeshDrawSingleShaderBindings& ShaderBindings
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) const
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{
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const FRequiredTextureResolutionPS& Shader = static_cast<const FRequiredTextureResolutionPS&>(ShaderBase);
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int32 AnalysisIndex = INDEX_NONE;
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int32 TextureResolution = 64;
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FMaterialRenderContext MaterialContext(&MaterialRenderProxy, Material, nullptr);
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const FUniformExpressionSet& UniformExpressions = Material.GetUniformExpressions();
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if (ViewModeParam != INDEX_NONE && ViewModeParamName == NAME_None) // If displaying texture per texture indices
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{
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AnalysisIndex = ViewModeParam;
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for (int32 ParameterIndex = 0; ParameterIndex < UniformExpressions.GetNumTextures(EMaterialTextureParameterType::Standard2D); ++ParameterIndex)
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{
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const FMaterialTextureParameterInfo& Parameter = UniformExpressions.GetTextureParameter(EMaterialTextureParameterType::Standard2D, ParameterIndex);
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if (Parameter.TextureIndex == ViewModeParam)
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{
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const UTexture* Texture = nullptr;
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UniformExpressions.GetTextureValue(EMaterialTextureParameterType::Standard2D, ParameterIndex, MaterialContext, Material, Texture);
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if (Texture && Texture->GetResource())
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{
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if (Texture->IsStreamable())
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{
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TextureResolution = 1 << (Texture->GetResource()->GetCurrentMipCount() - 1);
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}
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else
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{
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TextureResolution = FMath::Max(Texture->GetResource()->GetSizeX(), Texture->GetResource()->GetSizeY());
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}
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}
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}
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}
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}
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else if (ViewModeParam != INDEX_NONE) // Otherwise show only texture matching the given name
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{
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AnalysisIndex = 1024; // Make sure not to find anything by default.
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for (int32 ParameterIndex = 0; ParameterIndex < UniformExpressions.GetNumTextures(EMaterialTextureParameterType::Standard2D); ++ParameterIndex)
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{
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const UTexture* Texture = nullptr;
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UniformExpressions.GetTextureValue(EMaterialTextureParameterType::Standard2D, ParameterIndex, MaterialContext, Material, Texture);
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if (Texture && Texture->GetResource() && Texture->GetFName() == ViewModeParamName)
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{
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if (Texture->IsStreamable())
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{
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const FMaterialTextureParameterInfo& Parameter = UniformExpressions.GetTextureParameter(EMaterialTextureParameterType::Standard2D, ParameterIndex);
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AnalysisIndex = Parameter.TextureIndex;
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TextureResolution = 1 << (Texture->GetResource()->GetCurrentMipCount() - 1);
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}
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else
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{
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TextureResolution = FMath::Max(Texture->GetResource()->GetSizeX(), Texture->GetResource()->GetSizeY());
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}
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}
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}
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}
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ShaderBindings.Add(Shader.AnalysisParamsParameter, FIntPoint(AnalysisIndex, TextureResolution));
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ShaderBindings.Add(Shader.PrimitiveAlphaParameter, (!PrimitiveSceneProxy || PrimitiveSceneProxy->IsSelected()) ? 1.f : .2f);
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}
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#endif // !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
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