mirror of https://github.com/axmolengine/axmol.git
102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
/****************************************************************************
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Copyright (c) 2018-2019 Xiamen Yaji Software Co., Ltd.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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#include "../Macros.h"
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#include "../Types.h"
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#include "../RenderPipelineDescriptor.h"
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#include "base/CCRef.h"
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#include "base/CCEventListenerCustom.h"
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#include "platform/CCGL.h"
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#include "../Program.h"
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#include <string>
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#include <vector>
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#include <unordered_map>
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CC_BACKEND_BEGIN
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class ShaderModuleGL;
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struct AttributeInfo
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{
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unsigned int location = 0;
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unsigned int size = 0;
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GLenum type = GL_BYTE;
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GLsizei stride = 0;
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unsigned int offset = 0;
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GLboolean needToBeNormallized = GL_FALSE;
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std::string name;
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};
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class ProgramGL : public Program
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{
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public:
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typedef std::vector<AttributeInfo> VertexAttributeArray;
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ProgramGL(const std::string& vertexShader, const std::string& fragmentShader);
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~ProgramGL();
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inline const std::vector<VertexAttributeArray>& getAttributeInfos() const { return _attributeInfos; }
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inline GLuint getHandler() const { return _program; }
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void computeAttributeInfos(const RenderPipelineDescriptor& descriptor);
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virtual const std::unordered_map<std::string, UniformInfo>& getVertexUniformInfos() const override;
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virtual const std::unordered_map<std::string, UniformInfo>& getFragmentUniformInfos() const override;
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virtual UniformLocation getUniformLocation(const std::string& uniform) const override;
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virtual int getMaxVertexLocation() const override;
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virtual int getMaxFragmentLocation() const override;
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virtual const std::unordered_map<std::string, AttributeBindInfo> getActiveAttributes() const override;
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private:
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void compileProgram();
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bool getAttributeLocation(const std::string& attributeName, unsigned int& location) const;
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void computeUniformInfos();
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#if CC_ENABLE_CACHE_TEXTURE_DATA
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virtual void reloadProgram();
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virtual int getMappedLocation(int location) const override;
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virtual const std::unordered_map<std::string, UniformLocation> getAllUniformsLocation() const override { return _originalUniformLocations; }
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#endif
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GLuint _program = 0;
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ShaderModuleGL* _vertexShaderModule = nullptr;
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ShaderModuleGL* _fragmentShaderModule = nullptr;
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std::vector<VertexAttributeArray> _attributeInfos;
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std::unordered_map<std::string, UniformInfo> _uniformInfos;
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#if CC_ENABLE_CACHE_TEXTURE_DATA
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std::unordered_map<std::string, UniformLocation> _originalUniformLocations;
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std::unordered_map<int, int> _uniformLocationMap;
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EventListenerCustom* _backToForegroundListener = nullptr;
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#endif
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int _maxLocation = -1;
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};
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CC_BACKEND_END
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