From: Dave Airlie <airl...@redhat.com>
Note we have to disable on vertex shaders when we are
operating in tes mode.
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
src/gallium/drivers/r600/r600_shader.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/gallium/drivers/r600/r600_shader.c
b/src/gallium/drivers/r600/r600_shader.c
index d13d2d7..b7d21fb 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -161,6 +161,13 @@ int r600_pipe_shader_create(struct pipe_context *ctx,
R600_ERR("translation from TGSI failed !\n");
goto error;
}
+ if (shader->shader.processor_type == TGSI_PROCESSOR_VERTEX) {
+ /* only disable for vertex shaders in tess paths */
+ if (key.vs.as_ls)
+ use_sb = 0;
+ }
+ use_sb &= (shader->shader.processor_type != TGSI_PROCESSOR_TESS_CTRL);
+ use_sb &= (shader->shader.processor_type != TGSI_PROCESSOR_TESS_EVAL);
/* disable SB for shaders using doubles */
use_sb &= !shader->shader.uses_doubles;
--
2.5.0
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