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UnrealEngine/Engine/Source/ThirdParty/MaterialX/MaterialX-1.38.10/source/MaterialXGenShader/Nodes/HwFrameNode.cpp
2025-05-18 13:04:45 +08:00

36 lines
1001 B
C++

//
// Copyright Contributors to the MaterialX Project
// SPDX-License-Identifier: Apache-2.0
//
#include <MaterialXGenShader/Nodes/HwFrameNode.h>
#include <MaterialXGenShader/Shader.h>
MATERIALX_NAMESPACE_BEGIN
ShaderNodeImplPtr HwFrameNode::create()
{
return std::make_shared<HwFrameNode>();
}
void HwFrameNode::createVariables(const ShaderNode&, GenContext&, Shader& shader) const
{
ShaderStage& ps = shader.getStage(Stage::PIXEL);
addStageUniform(HW::PRIVATE_UNIFORMS, Type::FLOAT, HW::T_FRAME, ps);
}
void HwFrameNode::emitFunctionCall(const ShaderNode& node, GenContext& context, ShaderStage& stage) const
{
DEFINE_SHADER_STAGE(stage, Stage::PIXEL)
{
const ShaderGenerator& shadergen = context.getShaderGenerator();
shadergen.emitLineBegin(stage);
shadergen.emitOutput(node.getOutput(), true, false, context, stage);
shadergen.emitString(" = " + HW::T_FRAME, stage);
shadergen.emitLineEnd(stage);
}
}
MATERIALX_NAMESPACE_END