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mesa/st/nir: fix missing nir_compact_varyings

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LinkedTransformFeedback is normally populated, which had nerf'd varying
packing since the check was introduced.

Fixes: dbd52585fa st/nir: Disable varying packing when doing transform feedback.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
(cherry picked from commit cfe8220904)
This commit is contained in:
Rob Clark 2018-12-08 13:21:52 -05:00 • committed by Emil Velikov
parent 734f78a783
commit 7594f63f21
1 changed files with 2 additions and 1 deletions
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3
src/mesa/state_tracker/st_glsl_to_nir.cpp
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@ -749,7 +749,8 @@ st_link_nir(struct gl_context *ctx,
* the pipe_stream_output->output_register field is based on the
* pre-compacted driver_locations.
*/
if (!prev_shader->sh.LinkedTransformFeedback)
if (!(prev_shader->sh.LinkedTransformFeedback &&
prev_shader->sh.LinkedTransformFeedback->NumVarying > 0))
nir_compact_varyings(shader_program->_LinkedShaders[prev]->Program->nir,
nir, ctx->API != API_OPENGL_COMPAT);
}