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[Fix] (MG_Impl/GLImpl): validate read framebuffer buffers [skip ci]

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swung0x48
2026-07-02 19:33:10 +08:00
parent 4439162fea
commit ba330cd70a
1 changed files with 15 additions and 4 deletions
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MobileGL/MG_Impl/GLImpl/Framebuffer/GL_Framebuffer.cpp
+15 -4
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@@ -808,7 +808,6 @@ namespace MobileGL::MG_Impl::GLImpl {
if (!FramebufferImpl::ValidateFramebufferAttachmentType(attachmentType)) return;
if (!FramebufferImpl::ValidateFramebufferTarget(framebufferTarget)) return;
if (!FramebufferImpl::ValidateRenderbufferTarget(rbTarget)) return;
if (!FramebufferImpl::ValidateRenderbufferName(renderbuffer, true)) return;
auto& bindingSlot = MG_State::pGLContext->GetFramebufferBindingSlot(framebufferTarget);
auto& framebufferObject = bindingSlot.GetBoundObject();
if (!framebufferObject) {
@@ -824,6 +823,7 @@ namespace MobileGL::MG_Impl::GLImpl {
return;
}
if (!FramebufferImpl::ValidateRenderbufferName(renderbuffer, false)) return;
auto& renderbufferObject = MG_State::pGLContext->GetRenderbufferObject(renderbuffer);
if (!renderbufferObject) {
MG_State::pGLContext->RecordError(
@@ -851,13 +851,13 @@ namespace MobileGL::MG_Impl::GLImpl {
RenderbufferTarget rbTarget = MG_Util::ConvertGLEnumToRenderbufferTarget(renderbuffertarget);
if (!FramebufferImpl::ValidateFramebufferAttachmentType(attachmentType)) return;
if (!FramebufferImpl::ValidateRenderbufferTarget(rbTarget)) return;
if (!FramebufferImpl::ValidateRenderbufferName(renderbuffer)) return;
if (renderbuffer == 0) {
framebufferObject->Detach(attachmentType);
return;
}
if (!FramebufferImpl::ValidateRenderbufferName(renderbuffer, false)) return;
auto renderbufferObject =
GetNamedRenderbufferObject_State(renderbuffer, "NamedFramebufferRenderbuffer_State");
if (!renderbufferObject) return;
@@ -1624,6 +1624,16 @@ namespace MobileGL::MG_Impl::GLImpl {
"Invalid type for depth-stencil format"));
return false;
}
} else {
const FramebufferAttachmentType readBuffer = framebufferObject->GetReadBuffer();
if (readBuffer == FramebufferAttachmentType::None ||
!framebufferObject->GetAttachment(readBuffer).IsValid()) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidOperation,
MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
"No color buffer for color format"));
return false;
}
}
// Check PBO state
@@ -1652,8 +1662,9 @@ namespace MobileGL::MG_Impl::GLImpl {
}
// Check multisampling
if (framebufferObject->GetAttachment(FramebufferAttachmentType::Color0).IsRenderbuffer()) {
auto& rbo = framebufferObject->GetAttachment(FramebufferAttachmentType::Color0).GetRenderbuffer();
const FramebufferAttachmentType readBuffer = framebufferObject->GetReadBuffer();
if (readBuffer != FramebufferAttachmentType::None && framebufferObject->GetAttachment(readBuffer).IsRenderbuffer()) {
auto& rbo = framebufferObject->GetAttachment(readBuffer).GetRenderbuffer();
if (rbo && rbo->GetSamples() > 1) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidOperation,