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[Feat] (GL_State/Buffer, GL_Impl/Buffer): implement glBindBufferBase

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swung0x48
2025-11-02 09:34:32 +08:00
parent effeb7d9f7
commit 4b4d38a00a
7 changed files with 44 additions and 1 deletions
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MobileGL/MG_State/GLState/BufferState/BufferState.cpp
+11
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@@ -61,6 +61,17 @@ namespace MobileGL {
Bool BufferState::ValidateBufferObject(Uint index) const {
return m_bufferObjects.find(index) != m_bufferObjects.end();
}
BindingSlot<BufferObject> &
BufferState::GetBindingPoint(BufferTarget target, Uint index) {
for (SizeT i = 0; i < BufferBindPointTargets.size(); ++i) {
if (BufferBindPointTargets[i] == target) {
return m_bufferBindPointTargets[i][index];
}
}
assert(false);
return m_bufferBindPointTargets[0][index];
}
} // namespace GLState
} // namespace MG_State
} // namespace MobileGL
MobileGL/MG_State/GLState/BufferState/BufferState.h
+8
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@@ -11,6 +11,9 @@ namespace MobileGL {
BufferTarget::PixelPack, BufferTarget::PixelUnpack, BufferTarget::Query, BufferTarget::Texture,
BufferTarget::TransformFeedback, BufferTarget::AtomicCounter, BufferTarget::DispatchIndirect,
BufferTarget::DrawIndirect, BufferTarget::ShaderStorage);
constexpr const auto BufferBindPointTargets =
ToArray(BufferTarget::Uniform, BufferTarget::TransformFeedback,
BufferTarget::AtomicCounter, BufferTarget::ShaderStorage);
class BufferState {
public:
@@ -20,6 +23,8 @@ namespace MobileGL {
Vector<Uint> GenerateNames(Uint number);
SharedPtr<BufferObject> CreateBufferObject(Uint index);
BindingSlot<BufferObject>& GetBindingSlot(BufferTarget target);
// For glBindBufferBase / glBindBufferRange
BindingSlot<BufferObject>& GetBindingPoint(BufferTarget target, Uint index);
void MarkBufferObjectForDeletion(Uint index);
Bool ValidateName(Uint index) const;
Bool ValidateBufferObject(Uint index) const;
@@ -28,6 +33,9 @@ namespace MobileGL {
UnorderedMap<Uint, SharedPtr<BufferObject>> m_bufferObjects;
IndexGenerator<Uint> m_indexGenerator;
Array<BindingSlot<BufferObject>, GlobalBufferTargets.size()> m_bindingSlots;
// TODO: query the count somewhere globally?
// For glBindBufferBase / glBindBufferRange
Array<Array<BindingSlot<BufferObject>, 14>, BufferBindPointTargets.size()> m_bufferBindPointTargets;
};
} // namespace GLState
} // namespace MG_State
MobileGL/MG_State/GLState/Core.cpp
+4
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@@ -65,6 +65,10 @@ namespace MobileGL {
return m_bufferState.GetBindingSlot(target);
}
BindingSlot<BufferObject>& GLContext::GetBufferBindingPoint(BufferTarget target, Uint index) {
return m_bufferState.GetBindingPoint(target, index);
}
SharedPtr<BufferObject> GLContext::CreateBufferObject(Uint index) {
return m_bufferState.CreateBufferObject(index);
}
MobileGL/MG_State/GLState/Core.h
+1
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@@ -32,6 +32,7 @@ namespace MobileGL {
Vector<Uint> GenBufferNames(Uint number);
SharedPtr<BufferObject> GetBufferObject(Uint index);
BindingSlot<BufferObject>& GetBufferBindingSlot(BufferTarget target);
BindingSlot<BufferObject>& GetBufferBindingPoint(BufferTarget target, Uint index);
SharedPtr<BufferObject> CreateBufferObject(Uint index);
void MarkBufferObjectForDeletion(Uint index);
Bool ValidateBufferName(Uint index) const;