[Mesa-dev] [PATCHv2 11/14] i965/gen7: Enable fragment shader dispatch if the program has image uniforms.

[Kenneth Graunke]

On Monday, February 09, 2015 09:11:18 PM Francisco Jerez wrote:
> Shaders with image uniforms may have side effects.  Make sure that
> fragment shader threads are dispatched if the shader has any image
> uniforms.
> 
> v2: Use brw_stage_state::nr_image_params to find out if the shader has
>     image uniforms instead of checking core mesa data structures (Ken).
> ---
>  src/mesa/drivers/dri/i965/gen7_wm_state.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/src/mesa/drivers/dri/i965/gen7_wm_state.c b/src/mesa/drivers/dri/i965/gen7_wm_state.c
> index 923414e..e426b30 100644
> --- a/src/mesa/drivers/dri/i965/gen7_wm_state.c
> +++ b/src/mesa/drivers/dri/i965/gen7_wm_state.c
> @@ -78,6 +78,7 @@ upload_wm_state(struct brw_context *brw)
>  
>     /* _NEW_BUFFERS | _NEW_COLOR */
>     if (brw_color_buffer_write_enabled(brw) || writes_depth ||
> +       brw->wm.base.nr_image_params ||
>         dw1 & GEN7_WM_KILL_ENABLE) {
>        dw1 |= GEN7_WM_DISPATCH_ENABLE;
>     }
> 

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
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