mirror of
https://github.com/MobileGL-Dev/MobileGL
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47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
//
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// Created by BZLZHH on 2025/5/1.
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//
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#ifndef MOBILEGL_BUFFERSTATE_H
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#define MOBILEGL_BUFFERSTATE_H
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#define MOBILEGL_GLSTATE_H
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#include "../../../Includes.h"
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class BufferState {
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public:
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struct BufferObject {
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GLenum usage = GL_STATIC_DRAW;
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std::vector<GLubyte> data;
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bool isMapped = false;
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bool generated = false;
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GLenum accessMode = GL_READ_WRITE;
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};
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// Return: the validity of the operation, according to OpenGL 3 standard
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GLenum GenName(GLuint* buffer);
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GLenum GenNameN(GLsizei n, GLuint* buffers);
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GLenum Create(GLuint buffer);
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// GLenum CreateN(GLsizei n, GLuint* buffers);
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GLenum Bind(GLenum target, GLuint buffer);
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GLenum CommitStorage(GLenum target, GLsizeiptr size, const void* data, GLenum usage);
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GLenum AcquireBufferMemory(GLenum target, GLenum access, void** mappedPointer);
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GLenum ReleaseBufferMemory(GLenum target);
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GLenum QueryPropertyIntVector(GLenum target, GLenum pname, GLint* params) const;
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bool ValidateAllocatedHandle(GLuint buffer);
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bool ValidateGeneratedName(GLuint buffer);
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void Delete(GLuint buffer);
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GLuint GetCurrentBinding(GLenum target) const;
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std::unordered_map<GLenum, GLuint> currentBindings_;
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std::unordered_map<GLuint, BufferObject> buffers_;
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private:
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std::vector<GLuint> freeId_;
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GLuint lastId_ = 1;
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static bool IsValidTarget_(GLenum target);
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};
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#endif //MOBILEGL_BUFFERSTATE_H
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