mirror of
https://github.com/MobileGL-Dev/MobileGL
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BZLZHH
33e4b6d8de
# Conflict: # MG/Includes.h # Changes: # Remove ShittilyDraw, ready to implement MG_RHI... # Update progress.
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
//
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// Created by BZLZHH on 2025/5/3.
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//
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#ifndef MOBILEGL_FRAMEBUFFERSTATE_H
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#define MOBILEGL_FRAMEBUFFERSTATE_H
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#define MOBILEGL_GLSTATE_H
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#include "../../../Includes.h"
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struct FramebufferAttachment {
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GLenum type = GL_NONE;
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GLuint handle = 0;
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GLint mipLevel = 0;
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GLint zoffset = 0;
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};
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struct FramebufferObject {
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bool generated = false;
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ankerl::unordered_map<GLenum, FramebufferAttachment> attachments;
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GLenum status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT;
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GLsizei width = 0;
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GLsizei height = 0;
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};
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class FramebufferState {
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public:
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// Return: the validity of the operation
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GLenum Create(GLuint* framebuffer);
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GLenum CreateN(GLsizei n, GLuint* framebuffers);
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GLenum Delete(GLuint framebuffer);
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GLenum Bind(GLenum target, GLuint framebuffer);
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GLenum AttachTexture2D(GLenum target, GLenum attachment,
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GLenum textarget, GLuint texture, GLint level);
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GLenum ValidateCompleteness(GLenum target);
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FramebufferObject* GetCurrentFBO(GLenum target);
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ankerl::unordered_map<GLenum, GLuint> currentBindings_; // READ/DRAW
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private:
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ankerl::unordered_map<GLuint, FramebufferObject> framebuffers_;
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std::set<GLuint> freeIds_;
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GLuint lastId_ = 0;
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bool ValidateHandle(GLuint framebuffer);
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static void UpdateCompleteness(FramebufferObject& fbo);
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static bool ValidateAttachmentCombination(const FramebufferObject& fbo);
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};
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#endif //MOBILEGL_FRAMEBUFFERSTATE_H
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