Util.h

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//
// Copyright Contributors to the MaterialX Project
// SPDX-License-Identifier: Apache-2.0
//
 
#ifndef MATERIALX_RENDER_UTIL_H
#define MATERIALX_RENDER_UTIL_H
 
 
#include <MaterialXRender/Export.h>
 
#include <MaterialXGenShader/GenContext.h>
#include <MaterialXGenShader/ShaderGenerator.h>
#include <MaterialXGenShader/Util.h>
 
#include <map>
 
MATERIALX_NAMESPACE_BEGIN
 
extern MX_RENDER_API const Color3 DEFAULT_SCREEN_COLOR_SRGB;
extern MX_RENDER_API const Color3 DEFAULT_SCREEN_COLOR_LIN_REC709;
 
 
MX_RENDER_API ShaderPtr createShader(const string& shaderName, GenContext& context, ElementPtr elem);
 
MX_RENDER_API ShaderPtr createConstantShader(GenContext& context,
                                             DocumentPtr stdLib,
                                             const string& shaderName,
                                             const Color3& color);
 
MX_RENDER_API ShaderPtr createDepthShader(GenContext& context,
                                          DocumentPtr stdLib,
                                          const string& shaderName);
 
MX_RENDER_API ShaderPtr createAlbedoTableShader(GenContext& context,
                                                DocumentPtr stdLib,
                                                const string& shaderName);
 
MX_RENDER_API ShaderPtr createEnvPrefilterShader(GenContext& context,
                                                 DocumentPtr stdLib,
                                                 const string& shaderName);
 
MX_RENDER_API ShaderPtr createBlurShader(GenContext& context,
                                         DocumentPtr stdLib,
                                         const string& shaderName,
                                         const string& filterType,
                                         float filterSize);
 
 
struct MX_RENDER_API UIProperties
{
    string uiName;
 
    string uiFolder;
 
    StringVec enumeration;
 
    vector<ValuePtr> enumerationValues;
 
    ValuePtr uiMin;
 
    ValuePtr uiMax;
 
    ValuePtr uiSoftMin;
 
    ValuePtr uiSoftMax;
 
    ValuePtr uiStep;
 
    bool uiAdvanced = false;
};
 
MX_RENDER_API unsigned int getUIProperties(InputPtr input, const string& target, UIProperties& uiProperties);
 
struct MX_RENDER_API UIPropertyItem
{
    string label;
    ShaderPort* variable = nullptr;
    UIProperties ui;
};
 
using UIPropertyGroup = std::multimap<string, UIPropertyItem>;
 
MX_RENDER_API void createUIPropertyGroups(DocumentPtr doc, const VariableBlock& block, UIPropertyGroup& groups,
                                          UIPropertyGroup& unnamedGroups, const string& pathSeparator);
 
 
MATERIALX_NAMESPACE_END
 
#endif