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

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This commit is contained in:
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/Implementations/GL/Buffer/GL_Buffer.cpp
+54 -9
View File
@@ -5,34 +5,79 @@
#include "GL_Buffer.h"
namespace MG_GL::GL {
void* MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
GLbitfield access) {
MG_Util::Debug::LogD("glMapBufferRange, target: %s, offset: %lld, length: %lld, access: 0x%X",
MG_Util::Debug::GLEnumToString(target),
static_cast<long long>(offset),
static_cast<long long>(length),
access);
void* mappedPointer = nullptr;
GLenum result = MG_State::AcquireBufferMemoryRange(target, offset, length, access, &mappedPointer);
if (result == GL_NO_ERROR) {
MG_Util::Debug::LogD("Mapped pointer: %p", mappedPointer);
return mappedPointer;
}
MG_State::SetError(result);
MG_Util::Debug::LogE("Error mapping buffer range: %s", MG_Util::Debug::GLEnumToString(result));
return nullptr;
}
void FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length) {
MG_Util::Debug::LogD("glFlushMappedBufferRange, target: %s, offset: %lld, length: %lld",
MG_Util::Debug::GLEnumToString(target),
static_cast<long long>(offset),
static_cast<long long>(length));
GLenum result = MG_State::SyncBufferMemory(target, offset, length);
if (result == GL_NO_ERROR) {
return;
}
MG_State::SetError(result);
MG_Util::Debug::LogE("Error flushing mapped buffer range: %s",
MG_Util::Debug::GLEnumToString(result));
}
void CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
GLintptr readOffset, GLintptr writeOffset,
GLsizeiptr size) {
MG_Util::Debug::LogD("glCopyBufferSubData, readTarget: %s, writeTarget: %s, "
"readOffset: %lld, writeOffset: %lld, size: %lld",
MG_Util::Debug::GLEnumToString(readTarget),
MG_Util::Debug::GLEnumToString(writeTarget),
static_cast<long long>(readOffset),
static_cast<long long>(writeOffset),
static_cast<long long>(size));
GLenum result = MG_State::CopyBufferRange(readTarget, writeTarget, readOffset, writeOffset, size);
if (result == GL_NO_ERROR) {
return;
}
MG_State::SetError(result);
MG_Util::Debug::LogE("Error copying buffer subdata: %s",
MG_Util::Debug::GLEnumToString(result));
}
void* MapBuffer(GLenum target, GLenum access) {
MG_Util::Debug::LogD("glMapBuffer(target=0x%x, access=0x%x)", target, access);
void* mappedPtr = nullptr;
GLenum err = MG_State::AcquireBufferMemory(target, access, &mappedPtr);
if (err != GL_NO_ERROR) {
MG_State::SetError(err);
MG_Util::Debug::LogE("glMapBuffer failed: %s",
MG_Util::Debug::GLEnumToString(err));
MG_Util::Debug::LogE("glMapBuffer failed: %s", MG_Util::Debug::GLEnumToString(err));
return nullptr;
}
MG_Util::Debug::LogD("glMapBuffer returns %p", mappedPtr);
return mappedPtr;
}
GLboolean UnmapBuffer(GLenum target) {
MG_Util::Debug::LogD("glUnmapBuffer(target=0x%x)", target);
GLenum err = MG_State::ReleaseBufferMemory(target);
if (err != GL_NO_ERROR) {
MG_State::SetError(err);
MG_Util::Debug::LogE("glUnmapBuffer failed: %s",
MG_Util::Debug::GLEnumToString(err));
MG_Util::Debug::LogE("glUnmapBuffer failed: %s", MG_Util::Debug::GLEnumToString(err));
return GL_FALSE;
}
MG_Util::Debug::LogD("glUnmapBuffer succeeded");
return GL_TRUE;
}
MG/MG_GL/Implementations/GL/Buffer/GL_Buffer.h
+3
View File
@@ -8,6 +8,9 @@
#include "../../../../Includes.h"
namespace MG_GL::GL {
void* MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access);
void FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length);
void CopyBufferSubData(GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size);
void* MapBuffer(GLenum target, GLenum access);
GLboolean UnmapBuffer(GLenum target);
void BindBuffer(GLenum target, GLuint buffer);