mirror of https://github.com/axmolengine/axmol.git
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
#pragma once
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#include "Macros.h"
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#include "Types.h"
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#include "base/CCRef.h"
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#include <string>
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#include <cstdint>
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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 VertexLayout
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{
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public:
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struct Attribute
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{
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Attribute() = default;
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Attribute(const std::string& _name, unsigned int _index, VertexFormat _format, unsigned int _offset, bool needToBeNormallized)
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: name(_name)
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, format(_format)
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, offset(_offset)
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, index(_index)
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, needToBeNormallized(needToBeNormallized)
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{}
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// name is used in opengl
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std::string name;
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VertexFormat format = VertexFormat::INT3;
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unsigned int offset = 0;
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// index is used in metal
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unsigned int index = 0;
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bool needToBeNormallized = false;
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};
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void setAtrribute(const std::string& name, unsigned int index, VertexFormat format, unsigned int offset, bool needToBeNormallized);
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//FIXME: remove stepMode?
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void setLayout(unsigned int stride, VertexStepMode stepMode);
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inline unsigned int getStride() const { return _stride; }
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inline VertexStepMode getVertexStepMode() const { return _stepMode; }
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inline const std::unordered_map<std::string, Attribute>& getAttributes() const { return _attributes; }
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inline bool isValid() const { return _stride != 0; }
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private:
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std::unordered_map<std::string, Attribute> _attributes;
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unsigned int _stride = 0;
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VertexStepMode _stepMode = VertexStepMode::VERTEX;
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};
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CC_BACKEND_END
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