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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
View File
@@ -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) {
MG/MG_GL/Implementations/GL/Drawing/GL_Drawing.cpp
+12 -5
View File
@@ -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;
MG/MG_GL/State/Buffer/BufferState.cpp
+22 -14
View File
@@ -43,7 +43,14 @@ GLenum BufferState::Create(GLuint buffer) {
if (ValidateAllocatedHandle(buffer))
return GL_INVALID_VALUE;
BufferObject& obj = *GetOrCreateBufferObject(buffer);
if (bufferObjects_.size() <= buffer) {
bufferObjects_.resize(buffer + 1);
}
if (bufferObjects_[buffer] == nullptr) {
bufferObjects_[buffer] = std::make_unique<BufferObject>();
}
BufferObject& obj = *GetBufferObject(buffer);
MG_Util::Debug::LogD("MG_State: Buffer: Create created buffer %d", buffer);
obj.generated = true;
obj.dirty = true;
@@ -66,7 +73,7 @@ GLenum BufferState::CommitStorage(GLenum target, GLsizeiptr size, const void* da
if (it == currentBindings_.end() || it->second == 0)
return GL_INVALID_OPERATION;
BufferObject& obj = *GetOrCreateBufferObject(it->second);
BufferObject& obj = *GetBufferObject(it->second);
MG_Util::Debug::LogD("MG_State: Buffer: CommitStorage get buffer object %u at target 0x%x",it->second,target);
obj.usage = usage;
obj.isDynamic = (usage == GL_DYNAMIC_DRAW || usage == GL_DYNAMIC_READ ||
@@ -92,7 +99,7 @@ GLenum BufferState::CommitStorageRegion(GLenum target, GLintptr offset, GLsizeip
if (it == currentBindings_.end() || it->second == 0)
return GL_INVALID_OPERATION;
BufferObject& obj = *GetOrCreateBufferObject(it->second);
BufferObject& obj = *GetBufferObject(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;
@@ -121,7 +128,7 @@ GLenum BufferState::AcquireBufferMemoryRange(GLenum target, GLintptr offset, GLs
return GL_INVALID_OPERATION;
}
BufferObject& obj = *GetOrCreateBufferObject(it->second);
BufferObject& obj = *GetBufferObject(it->second);
MG_Util::Debug::LogD("MG_State: Buffer: AcquireBufferMemoryRange operating on buffer %u", it->second);
if (obj.isMapped) {
MG_Util::Debug::LogE("MG_State: Buffer: AcquireBufferMemoryRange failed: buffer %u is already mapped", it->second);
@@ -157,7 +164,7 @@ GLenum BufferState::SyncBufferMemory(GLenum target, GLintptr offset, GLsizeiptr
if (it == currentBindings_.end() || it->second == 0)
return GL_INVALID_OPERATION;
BufferObject& obj = *GetOrCreateBufferObject(it->second);
BufferObject& obj = *GetBufferObject(it->second);
if (!obj.isMapped || !(obj.mapAccessFlags & GL_MAP_FLUSH_EXPLICIT_BIT))
return GL_INVALID_OPERATION;
@@ -181,8 +188,8 @@ GLenum BufferState::CopyBufferRange(GLenum readTarget, GLenum writeTarget, GLint
if (readBuffer == 0 || writeBuffer == 0 || readBuffer == writeBuffer)
return GL_INVALID_OPERATION;
BufferObject& src = *GetOrCreateBufferObject(readBuffer);
BufferObject& dst = *GetOrCreateBufferObject(writeBuffer);
BufferObject& src = *GetBufferObject(readBuffer);
BufferObject& dst = *GetBufferObject(writeBuffer);
if (static_cast<size_t>(readOffset + size) > src.data.size() ||
static_cast<size_t>(writeOffset + size) > dst.data.size())
@@ -202,7 +209,7 @@ GLenum BufferState::AcquireBufferMemory(GLenum target, GLenum access, void** map
default:
flags = access;
}
return AcquireBufferMemoryRange(target, 0, GetOrCreateBufferObject(currentBindings_[target])->data.size(), flags, mappedPointer);
return AcquireBufferMemoryRange(target, 0, GetBufferObject(currentBindings_[target])->data.size(), flags, mappedPointer);
}
GLenum BufferState::ReleaseBufferMemory(GLenum target) {
@@ -213,7 +220,7 @@ GLenum BufferState::ReleaseBufferMemory(GLenum target) {
if (it == currentBindings_.end() || it->second == 0)
return GL_INVALID_OPERATION;
BufferObject& obj = *GetOrCreateBufferObject(it->second);
BufferObject& obj = *GetBufferObject(it->second);
if (!obj.isMapped)
return GL_INVALID_OPERATION;
@@ -324,12 +331,13 @@ GLuint BufferState::GetCurrentBinding(GLenum target) const {
return 0;
}
BufferState::BufferObject* BufferState::GetOrCreateBufferObject(GLuint buffer) {
BufferState::BufferObject* BufferState::GetBufferObject(GLuint buffer) {
if (bufferObjects_.size() <= buffer) {
bufferObjects_.resize(buffer + 1);
}
if (bufferObjects_[buffer] == nullptr) {
bufferObjects_[buffer] = std::make_unique<BufferObject>();
return nullptr;
}
// if (bufferObjects_[buffer] == nullptr) {
// raise(SIGTRAP);
//// bufferObjects_[buffer] = std::make_unique<BufferObject>();
// }
return bufferObjects_[buffer].get();
}
MG/MG_GL/State/Buffer/BufferState.h
+1 -1
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@@ -45,7 +45,7 @@ public:
void Delete(GLuint buffer);
GLuint GetCurrentBinding(GLenum target) const;
BufferObject* GetOrCreateBufferObject(GLuint buffer);
BufferObject* GetBufferObject(GLuint buffer);
MG_Global::unordered_map<GLenum, GLuint> currentBindings_;
// MG_Global::unordered_map<GLuint, BufferObject> buffers_;