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[Feat] (BufferState): Implement BufferSubData.

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This commit is contained in:
BZLZHH
2025-05-17 00:19:40 +08:00
parent 71df4bae3c
commit 19e2a5dec2
7 changed files with 41 additions and 1 deletions
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MG/MG_GL/State/Buffer/BufferState.cpp
+21
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@@ -85,6 +85,27 @@ GLenum BufferState::CommitStorage(GLenum target, GLsizeiptr size, const void* da
return GL_NO_ERROR;
}
GLenum BufferState::CommitStorageRegion(GLenum target, GLintptr offset, GLsizeiptr size, const void* data) {
MG_Util::Debug::LogD("MG_State: Buffer: BufferSubData called on target 0x%x, offset=%ld, size=%ld", target, offset, size);
if (!IsValidTarget_(target)) return GL_INVALID_ENUM;
if (offset < 0 || size < 0) return GL_INVALID_VALUE;
auto it = currentBindings_.find(target);
if (it == currentBindings_.end() || it->second == 0)
return GL_INVALID_OPERATION;
BufferObject& obj = buffers_[it->second];
MG_Util::Debug::LogD("MG_State: Buffer: BufferSubData get buffer object %u at target 0x%x", it->second, target);
if (static_cast<size_t>(offset + size) > obj.data.size()) return GL_INVALID_VALUE;
if (data) {
memcpy(obj.data.data() + offset, data, size);
obj.dirty = true;
}
return GL_NO_ERROR;
}
GLenum BufferState::AcquireBufferMemoryRange(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access, void** mappedPointer) {
MG_Util::Debug::LogD("MG_State: Buffer: AcquireBufferMemoryRange called with target=0x%x, offset=%ld, length=%ld, access=0x%x", target, offset, length, access);
if (!IsValidTarget_(target)) {