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[Fix] (MG_State/Buffer): ignore 0-sized reallocation

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swung0x48
2025-06-30 13:47:07 +08:00
parent 1078a33147
commit 79e5eb6a74
1 changed files with 4 additions and 2 deletions
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MG/MG_GL/Implementations/GL/Buffer/GL_Buffer.cpp
+4 -2
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@@ -193,8 +193,10 @@ namespace MG_GL::GL {
if (buffer == 0) return; if (buffer == 0) return;
auto& bufferObj = *MG_State_T::bufferState->GetOrCreateBufferObject(buffer); auto& bufferObj = *MG_State_T::bufferState->GetOrCreateBufferObject(buffer);
if (bufferObj.isDynamic) return; // Dynamic buffer should be created by glDraw* if (bufferObj.isDynamic) return; // Dynamic buffer should be created by glDraw*
if (size <= 0) return; // ignore 0-sized reallocation
bufferObj.dirty = false; bufferObj.dirty = false;
Diligent::IBuffer*& pBuffer = MG_Diligent::g_BufferMap[buffer]; Diligent::IBuffer*& pBuffer = MG_Diligent::g_BufferMap[buffer];
Diligent::BufferDesc BuffDesc; Diligent::BufferDesc BuffDesc;
@@ -226,7 +228,7 @@ namespace MG_GL::GL {
BuffDesc.Name = name.c_str(); BuffDesc.Name = name.c_str();
BuffDesc.Usage = Diligent::USAGE_DEFAULT; BuffDesc.Usage = Diligent::USAGE_DEFAULT;
if (!pBuffer || (pBuffer && pBuffer->GetDesc().Size != bufferObj.data.size())) { if (!pBuffer || (pBuffer && pBuffer->GetDesc().Size != bufferObj.data.size()) ) {
if (pBuffer) { if (pBuffer) {
pBuffer->Release(); pBuffer->Release();
pBuffer = nullptr; pBuffer = nullptr;