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[Feat] (BufferState): Implement MapBufferRange, FlushMappedBufferRange and CopyBufferSubData.

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BZLZHH
2025-05-16 23:23:16 +08:00
parent 95110fd989
commit 6901e9584f
7 changed files with 176 additions and 56 deletions
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MG/MG_GL/State/Buffer/BufferState.h
+7 -2
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@@ -21,23 +21,28 @@ public:
bool isMapped = false;
bool generated = false;
GLenum accessMode = GL_READ_WRITE;
GLintptr mapOffset = 0;
GLsizeiptr mapLength = 0;
GLbitfield mapAccessFlags = 0;
};
// Return: the validity of the operation, according to OpenGL 3 standard
GLenum GenName(GLuint* buffer);
GLenum GenNameN(GLsizei n, GLuint* buffers);
GLenum Create(GLuint buffer);
// GLenum CreateN(GLsizei n, GLuint* buffers);
GLenum Bind(GLenum target, GLuint buffer);
GLenum CommitStorage(GLenum target, GLsizeiptr size, const void* data, GLenum usage);
GLenum AcquireBufferMemoryRange(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access, void** mappedPointer);
GLenum SyncBufferMemory(GLenum target, GLintptr offset, GLsizeiptr length);
GLenum CopyBufferRange(GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size);
GLenum AcquireBufferMemory(GLenum target, GLenum access, void** mappedPointer);
GLenum ReleaseBufferMemory(GLenum target);
GLenum QueryPropertyIntVector(GLenum target, GLenum pname, GLint* params) const;
GLenum DeleteN(GLsizei n, const GLuint* buffers);
bool ValidateAllocatedHandle(GLuint buffer);
bool ValidateGeneratedName(GLuint buffer);
void Delete(GLuint buffer);
GLenum DeleteN(GLsizei n, const GLuint* buffers);
GLuint GetCurrentBinding(GLenum target) const;
unordered_map<GLenum, GLuint> currentBindings_;