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[Fix] (MG_State/Buffer): 1. Don't check on GetBufferObject(), do it on creation 2. Don't modify g_BufferMap on querying

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swung0x48
2025-07-08 17:53:21 +08:00
parent 8c52cd34ed
commit 8c98afb1ac
4 changed files with 61 additions and 30 deletions
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MG/MG_GL/Implementations/GL/Buffer/GL_Buffer.cpp
+26 -10
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@@ -43,13 +43,16 @@ namespace MG_GL::GL {
GLuint buffer = MG_State_T::bufferState->GetCurrentBinding(target);
if (buffer == 0) return;
auto& bufferObj = *MG_State_T::bufferState->GetOrCreateBufferObject(buffer);
auto& bufferObj = *MG_State_T::bufferState->GetBufferObject(buffer);
if (!bufferObj.isMapped) return;
size_t start = static_cast<size_t>(offset);
size_t end = start + static_cast<size_t>(length);
Diligent::IBuffer* pBuffer = MG_Diligent::g_BufferMap[buffer];
auto it = MG_Diligent::g_BufferMap.find(buffer);
if (it == MG_Diligent::g_BufferMap.end())
return;
Diligent::IBuffer* pBuffer = it->second;
if (pBuffer && bufferObj.data.size() >= end) {
const auto& Desc = pBuffer->GetDesc();
if (Desc.Usage == Diligent::USAGE_STAGING || Desc.Usage == Diligent::USAGE_DYNAMIC || Desc.Usage == Diligent::USAGE_UNIFIED) {
@@ -92,9 +95,12 @@ namespace MG_GL::GL {
GLuint dstBuffer = MG_State_T::bufferState->GetCurrentBinding(writeTarget);
if (srcBuffer == 0 || dstBuffer == 0) return;
auto itsrc = MG_Diligent::g_BufferMap.find(srcBuffer);
auto itdst = MG_Diligent::g_BufferMap.find(dstBuffer);
if (itsrc == MG_Diligent::g_BufferMap.end() || itdst == MG_Diligent::g_BufferMap.end()) return;
Diligent::IBuffer* pSrcBuffer = MG_Diligent::g_BufferMap[srcBuffer];
Diligent::IBuffer* pDstBuffer = MG_Diligent::g_BufferMap[dstBuffer];
Diligent::IBuffer* pSrcBuffer = itsrc->second;
Diligent::IBuffer* pDstBuffer = itdst->second;
if (pSrcBuffer && pDstBuffer) {
MG_Diligent::g_pContext->CopyBuffer(pSrcBuffer, static_cast<Diligent::Uint64>(readOffset),
@@ -134,9 +140,12 @@ namespace MG_GL::GL {
}
GLuint buffer = MG_State_T::bufferState->currentBindings_[target];
auto& bufferObj = *MG_State_T::bufferState->GetOrCreateBufferObject(buffer);
auto& bufferObj = *MG_State_T::bufferState->GetBufferObject(buffer);
Diligent::IBuffer* pBuffer = MG_Diligent::g_BufferMap[buffer];
auto it = MG_Diligent::g_BufferMap.find(buffer);
if (it == MG_Diligent::g_BufferMap.end())
return GL_FALSE;
Diligent::IBuffer* pBuffer = it->second;
if (pBuffer) {
const auto& Desc = pBuffer->GetDesc();
if (Desc.Usage == Diligent::USAGE_STAGING || Desc.Usage == Diligent::USAGE_DYNAMIC || Desc.Usage == Diligent::USAGE_UNIFIED) {
@@ -191,13 +200,17 @@ namespace MG_GL::GL {
if (result == GL_NO_ERROR) {
GLuint buffer = MG_State_T::bufferState->GetCurrentBinding(target);
if (buffer == 0) return;
auto& bufferObj = *MG_State_T::bufferState->GetOrCreateBufferObject(buffer);
auto& bufferObj = *MG_State_T::bufferState->GetBufferObject(buffer);
if (bufferObj.isDynamic) return; // Dynamic buffer should be created by glDraw*
if (size <= 0) return; // ignore 0-sized reallocation
bufferObj.dirty = false;
Diligent::IBuffer*& pBuffer = MG_Diligent::g_BufferMap[buffer];
auto it = MG_Diligent::g_BufferMap.find(buffer);
if (it == MG_Diligent::g_BufferMap.end())
return;
Diligent::IBuffer*& pBuffer = it->second;
Diligent::BufferDesc BuffDesc;
std::string name;
@@ -312,10 +325,13 @@ namespace MG_GL::GL {
GLuint buffer = MG_State_T::bufferState->GetCurrentBinding(target);
if (buffer == 0) return;
auto& bufferObj = *MG_State_T::bufferState->GetOrCreateBufferObject(buffer);
auto& bufferObj = *MG_State_T::bufferState->GetBufferObject(buffer);
if (bufferObj.isDynamic) return; // Dynamic buffer should be created by glDraw*
Diligent::IBuffer* pBuffer = MG_Diligent::g_BufferMap[buffer];
auto it = MG_Diligent::g_BufferMap.find(buffer);
if (it == MG_Diligent::g_BufferMap.end())
return;
Diligent::IBuffer* pBuffer = it->second;
if (pBuffer) {
const auto& Desc = pBuffer->GetDesc();
if (Desc.Usage == Diligent::USAGE_STAGING || Desc.Usage == Diligent::USAGE_DYNAMIC || Desc.Usage == Diligent::USAGE_UNIFIED) {