diff options
-rw-r--r-- | src/mesa/main/transformfeedback.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/mesa/main/transformfeedback.c b/src/mesa/main/transformfeedback.c index 3f8a7f48dad..eca0e5f55c9 100644 --- a/src/mesa/main/transformfeedback.c +++ b/src/mesa/main/transformfeedback.c @@ -611,6 +611,16 @@ _mesa_TransformFeedbackVaryings(GLuint program, GLsizei count, GLint i; GET_CURRENT_CONTEXT(ctx); + /* From the ARB_transform_feedback2 specification: + * "The error INVALID_OPERATION is generated by TransformFeedbackVaryings + * if the current transform feedback object is active, even if paused." + */ + if (ctx->TransformFeedback.CurrentObject->Active) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glTransformFeedbackVaryings(current object is active)"); + return; + } + switch (bufferMode) { case GL_INTERLEAVED_ATTRIBS: break; |