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[Fix, Test] (MG_Backend, MG_Impl, MG_State): advertise the uniform-block and stencil-texturing strings a 4.0 context hides behind, forward DEPTH_STENCIL_TEXTURE_MODE to both backends, and stop a reserved transform feedback name passing for an object

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swung0x48
2026-08-12 15:12:01 -04:00
parent a6e029734b
commit 6b6623ae72
11 changed files with 221 additions and 6 deletions
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MobileGL/MG_Impl/GLImpl/Drawing/GL_Drawing.cpp
+9 -1
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@@ -1259,7 +1259,15 @@ namespace MobileGL::MG_Impl::GLImpl {
MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", functionName, "instancecount must be non-negative."));
return;
}
if (!MG_State::pGLContext->ValidateTransformFeedbackName(id)) {
// "id is not the name of a transform feedback object" has to mean the same thing here
// as it does to glIsTransformFeedback, and the two predicates are not interchangeable:
// a name glGenTransformFeedbacks handed out is only reserved until it is first bound,
// and only the bind turns it into an object (GL 4.6 core 13.2.1). ValidateTransformFeedbackName
// answers the reservation question - the right one for glBindTransformFeedback, which is
// what turns a reserved name into an object - so using it here let a generated-but-unbound
// name through to the completed-span check below and raised INVALID_OPERATION where the
// spec asks for INVALID_VALUE. Name 0 is the default object and always drawable.
if (id != 0 && !MG_State::pGLContext->IsTransformFeedbackObject(id)) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidValue,
MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", functionName,