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