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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/Drawing/GL_Drawing.cpp
+12 -5
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@@ -494,7 +494,9 @@ namespace MG_GL::GL {
if (!attrib.enabled || attrib.buffer == 0) continue;
GLuint buffer = attrib.buffer;
auto& bufferObj = *MG_State_T::bufferState->GetOrCreateBufferObject(buffer);
auto* pBufferObj = MG_State_T::bufferState->GetBufferObject(buffer);
assert(pBufferObj != nullptr);
auto& bufferObj = *pBufferObj;
Diligent::IBuffer *&pBuffer = MG_Diligent::g_BufferMap[buffer];
if (bufferObj.isDynamic && (!pBuffer || (pBuffer && pBuffer->GetDesc().Size != bufferObj.data.size()))) {
@@ -529,8 +531,9 @@ namespace MG_GL::GL {
const void* pOriginalIndices = nullptr;
if (pVAO->elementBuffer != 0)
{
auto& bufferObj = *MG_State_T::bufferState->GetOrCreateBufferObject(
pVAO->elementBuffer);
auto* pBufferObj = MG_State_T::bufferState->GetBufferObject(pVAO->elementBuffer);
assert(pBufferObj != nullptr);
auto& bufferObj = *pBufferObj;
pOriginalIndices = bufferObj.data.data() + reinterpret_cast<uintptr_t>(pIndices);
}
else
@@ -587,7 +590,9 @@ namespace MG_GL::GL {
}
else if (pVAO->elementBuffer != 0) {
GLuint buffer = pVAO->elementBuffer;
auto& bufferObj = *MG_State_T::bufferState->GetOrCreateBufferObject(buffer);
auto* pBufferObj = MG_State_T::bufferState->GetBufferObject(buffer);
assert(pBufferObj != nullptr);
auto& bufferObj = *pBufferObj;
Diligent::IBuffer*& pBuffer = MG_Diligent::g_BufferMap[buffer];
if (bufferObj.isDynamic || (!pBuffer || (pBuffer && pBuffer->GetDesc().Size != bufferObj.data.size()))) {
@@ -620,7 +625,9 @@ namespace MG_GL::GL {
// Update data for all dynamic buffers
for (auto& [bufferID, pBuffer] : MG_Diligent::g_BufferMap) {
auto* pBufferObject = MG_State_T::bufferState->GetOrCreateBufferObject(bufferID);
MG_Util::Debug::LogD("g_BufferMap size: %d", MG_Diligent::g_BufferMap.size());
auto* pBufferObject = MG_State_T::bufferState->GetBufferObject(bufferID);
if (!pBufferObject) {
MG_Util::Debug::LogW("Buffer ID %u not found in bufferState. Skipping update.", bufferID);
continue;