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-rw-r--r--src/mesa/main/api_validate.c9
-rw-r--r--src/mesa/main/objectlabel.c6
2 files changed, 14 insertions, 1 deletions
diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c
index 9d29f8d6249..a714c0a2146 100644
--- a/src/mesa/main/api_validate.c
+++ b/src/mesa/main/api_validate.c
@@ -665,6 +665,15 @@ _mesa_validate_DrawTransformFeedback(struct gl_context *ctx,
return GL_FALSE;
}
+ /* From the GL 4.5 specification, page 429:
+ * "An INVALID_VALUE error is generated if id is not the name of a
+ * transform feedback object."
+ */
+ if (!obj->EverBound) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glDrawTransformFeedback*(name)");
+ return GL_FALSE;
+ }
+
if (stream >= ctx->Const.MaxVertexStreams) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glDrawTransformFeedbackStream*(index>=MaxVertexStream)");
diff --git a/src/mesa/main/objectlabel.c b/src/mesa/main/objectlabel.c
index 5070b008792..974abbcc6f5 100644
--- a/src/mesa/main/objectlabel.c
+++ b/src/mesa/main/objectlabel.c
@@ -176,9 +176,13 @@ get_label_pointer(struct gl_context *ctx, GLenum identifier, GLuint name,
break;
case GL_TRANSFORM_FEEDBACK:
{
+ /* From the GL 4.5 specification, page 536:
+ * "An INVALID_VALUE error is generated if name is not the name of a
+ * valid object of the type specified by identifier."
+ */
struct gl_transform_feedback_object *tfo =
_mesa_lookup_transform_feedback_object(ctx, name);
- if (tfo)
+ if (tfo && tfo->EverBound)
labelPtr = &tfo->Label;
}
break;