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freedreno: fix handling for stream-out offsets 

If changed && append, we shouldn't be resetting the internal offset back
to zero.  This fixes issues w/ sequences like:

   glBeginTransformFeedback()
   glDraw()
   glPauseTransformFeedback()
   glDraw()
   glResumeTransformFeedback()
   glDraw()
   glEndTransformFeedback()

Fixes dEQP-GLES3.functional.transform_feedback.array.separate.points.lowp_vec3
and related tests.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2016-04-12 11:30:31 -04:00
parent 0a4b0fc315
commit 6ca6e80f61
1 changed files with 2 additions and 1 deletions
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3
src/gallium/drivers/freedreno/freedreno_state.c
View File

@ -359,7 +359,8 @@ fd_set_stream_output_targets(struct pipe_context *pctx,
if (!changed && append)
continue;
so->offsets[i] = 0;
if (!append)
so->offsets[i] = offsets[i];
pipe_so_target_reference(&so->targets[i], targets[i]);
}