mirror of
https://github.com/MobileGL-Dev/MobileGL
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61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
//
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// Created by BZLZHH on 2025/5/1.
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//
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#ifndef MOBILEGL_VERTEXARRAYSTATE_H
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#define MOBILEGL_VERTEXARRAYSTATE_H
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#define MOBILEGL_GLSTATE_H
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#define MOBILEGL_DILIGENT_EGL_IMPL_H
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#include "../../../Includes.h"
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struct VertexAttribState {
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bool enabled = false;
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GLint size = 4;
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GLenum type = GL_FLOAT;
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GLboolean normalized = GL_FALSE;
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GLsizei stride = 0;
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const GLvoid* pointer = nullptr;
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GLuint buffer = 0;
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bool isInteger = false;
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};
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struct VertexArrayObject {
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bool generated = false;
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bool attribDirty = false;
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bool eboDirty = false;
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GLuint elementBuffer = 0;
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std::array<VertexAttribState, MG_Constants::VertexArray::MAX_VERTEX_ATTRIBS> attribs;
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};
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class VertexArrayState {
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public:
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VertexArrayState();
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// Return: the validity of the operation, according to OpenGL 3 standard
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GLenum GenName(GLuint* array);
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GLenum GenNameN(GLsizei n, GLuint* arrays);
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GLenum Create(GLuint* array);
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GLenum CreateN(GLsizei n, GLuint* arrays);
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GLenum Bind(GLuint array);
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GLenum EnableAttrib(GLuint index);
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GLenum DisableAttrib(GLuint index);
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GLenum SetAttribPointer(GLuint index, GLint size, GLenum type,
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GLboolean normalized, GLsizei stride,
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const void* pointer, bool isInteger,
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GLuint currentArrayBuffer);
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GLuint GetBoundElementBuffer();
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VertexArrayObject* GetCurrentVAO();
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bool ValidateGeneratedName(GLuint array);
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bool ValidateAllocatedHandle(GLuint array);
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GLuint currentVao_ = 0;
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MG_Global::unordered_map<GLuint, VertexArrayObject> vaos_;
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private:
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std::set<GLuint> freeIds_;
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GLuint lastId_ = 0;
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};
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#endif //MOBILEGL_VERTEXARRAYSTATE_H
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