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[Feat] (MG_Backend/DirectGLES): hook up glDrawBuffers

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swung0x48
2025-11-14 17:08:55 +08:00
parent 0d3236c3cc
commit 899563165e
3 changed files with 25 additions and 6 deletions
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MobileGL/MG_Backend/DirectGLES/Managers.cpp
+17
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@@ -423,6 +423,23 @@ namespace MobileGL::MG_Backend::DirectGLES {
// TODO // TODO
} }
} }
if (stateFBOObject->DrawBuffersIsDirty()) {
static GLenum drawbufs[MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS];
std::fill(drawbufs, drawbufs + MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS, GL_NONE);
auto& stateDrawBuffers = stateFBOObject->GetDrawBuffers();
GLint i = 0;
for (; i < stateDrawBuffers.size(); ++i) {
if (stateDrawBuffers[i] == FramebufferAttachmentType::None) {
break;
}
drawbufs[i] = MG_Util::ConvertFramebufferAttachmentTypeToGLEnum(stateDrawBuffers[i]);
}
MG_External::GLES::glDrawBuffers(i, drawbufs);
stateFBOObject->ClearDrawBuffersDirtyState();
}
} }
UnorderedMap<SharedPtr<MG_State::GLState::FramebufferObject>, SharedPtr<BackendFramebufferObject>> UnorderedMap<SharedPtr<MG_State::GLState::FramebufferObject>, SharedPtr<BackendFramebufferObject>>
MobileGL/MG_State/GLState/FramebufferState/FramebufferObject.cpp
+4 -4
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@@ -72,18 +72,18 @@ namespace MobileGL {
void FramebufferObject::AttachTexture(FramebufferAttachmentType type, SharedPtr<ITextureObject> texture, void FramebufferObject::AttachTexture(FramebufferAttachmentType type, SharedPtr<ITextureObject> texture,
int level) { int level) {
m_attachments[static_cast<SizeT>(type)] = FramebufferAttachment(std::move(texture), level); m_attachments[static_cast<SizeT>(type)] = FramebufferAttachment(std::move(texture), level);
m_drawBuffersDirty = true; // m_drawBuffersDirty = true;
} }
void FramebufferObject::AttachRenderbuffer(FramebufferAttachmentType type, void FramebufferObject::AttachRenderbuffer(FramebufferAttachmentType type,
std::shared_ptr<RenderbufferObjectStub> renderbuffer) { std::shared_ptr<RenderbufferObjectStub> renderbuffer) {
m_attachments[static_cast<SizeT>(type)] = FramebufferAttachment(renderbuffer); m_attachments[static_cast<SizeT>(type)] = FramebufferAttachment(renderbuffer);
m_drawBuffersDirty = true; // m_drawBuffersDirty = true;
} }
void FramebufferObject::Detach(FramebufferAttachmentType type) { void FramebufferObject::Detach(FramebufferAttachmentType type) {
m_attachments[static_cast<SizeT>(type)] = FramebufferAttachment(false); m_attachments[static_cast<SizeT>(type)] = FramebufferAttachment(false);
m_drawBuffersDirty = true; // m_drawBuffersDirty = true;
} }
const FramebufferAttachment& FramebufferObject::GetAttachment(FramebufferAttachmentType type) const { const FramebufferAttachment& FramebufferObject::GetAttachment(FramebufferAttachmentType type) const {
@@ -143,7 +143,7 @@ namespace MobileGL {
// //
// } // }
const auto& FramebufferObject::GetDrawBuffers() const { const Array<FramebufferAttachmentType, FramebufferObject::MAX_DRAW_BUFFERS>& FramebufferObject::GetDrawBuffers() const {
return m_drawBuffers; return m_drawBuffers;
} }
MobileGL/MG_State/GLState/FramebufferState/FramebufferObject.h
+4 -2
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@@ -105,7 +105,9 @@ namespace MobileGL {
Bool CheckCompleteness() const; Bool CheckCompleteness() const;
// void SetDrawBuffers(const Vector<FramebufferAttachmentType>& buffers); // void SetDrawBuffers(const Vector<FramebufferAttachmentType>& buffers);
void SetDrawBuffer(Uint index, FramebufferAttachmentType buffer); void SetDrawBuffer(Uint index, FramebufferAttachmentType buffer);
const auto& GetDrawBuffers() const; bool DrawBuffersIsDirty() const { return m_drawBuffersDirty; }
void ClearDrawBuffersDirtyState() { m_drawBuffersDirty = false; }
const Array<FramebufferAttachmentType, MAX_DRAW_BUFFERS>& GetDrawBuffers() const;
Uint GetExternalIndex() const; Uint GetExternalIndex() const;
private: private:
@@ -113,7 +115,7 @@ namespace MobileGL {
Array<FramebufferAttachment, Array<FramebufferAttachment,
static_cast<SizeT>(FramebufferAttachmentType::FramebufferAttachmentTypeCount)> static_cast<SizeT>(FramebufferAttachmentType::FramebufferAttachmentTypeCount)>
m_attachments; m_attachments;
Bool m_drawBuffersDirty = true; Bool m_drawBuffersDirty = false;
Array<FramebufferAttachmentType, MAX_DRAW_BUFFERS> m_drawBuffers; Array<FramebufferAttachmentType, MAX_DRAW_BUFFERS> m_drawBuffers;
}; };