[Mesa-dev] [PATCH v2 09/13] i965: Force VS -> TCS varyings to use the SSO VUE map layout.

[Jordan Justen]

On 2015-12-11 13:23:58, Kenneth Graunke wrote:
> The compact VUE map only works when varying packing is in use.
> Unfortunately, varying packing is disabled for TCS inputs.
> 
> This is needed to fix Piglit's tcs-input-read-array-interface test.
> 
> Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
> ---
>  src/mesa/drivers/dri/i965/brw_nir.c | 2 +-
>  src/mesa/drivers/dri/i965/brw_vs.c  | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/src/mesa/drivers/dri/i965/brw_nir.c b/src/mesa/drivers/dri/i965/brw_nir.c
> index e46e177..d405991 100644
> --- a/src/mesa/drivers/dri/i965/brw_nir.c
> +++ b/src/mesa/drivers/dri/i965/brw_nir.c
> @@ -263,7 +263,7 @@ brw_nir_lower_inputs(nir_shader *nir,
>           GLbitfield64 inputs_read =
>              nir->info.inputs_read & ~VARYING_BIT_PRIMITIVE_ID;
>           brw_compute_vue_map(devinfo, &input_vue_map, inputs_read,
> -                             nir->info.separate_shader);
> +                             nir->info.separate_shader || nir->stage == MESA_SHADER_TESS_CTRL);

line length

>  
>           foreach_list_typed(nir_variable, var, node, &nir->inputs) {
>              var->data.driver_location = var->data.location;
> diff --git a/src/mesa/drivers/dri/i965/brw_vs.c b/src/mesa/drivers/dri/i965/brw_vs.c
> index 59b748f..c9748c9 100644
> --- a/src/mesa/drivers/dri/i965/brw_vs.c
> +++ b/src/mesa/drivers/dri/i965/brw_vs.c
> @@ -148,7 +148,7 @@ brw_codegen_vs_prog(struct brw_context *brw,
>  
>     brw_compute_vue_map(brw->intelScreen->devinfo,
>                         &prog_data.base.vue_map, outputs_written,
> -                       prog ? prog->SeparateShader : false);
> +                       prog ? prog->SeparateShader || prog->_LinkedShaders[MESA_SHADER_TESS_CTRL] : false);

line length

Reviewed-by: Jordan Justen <jordan.l.justen at intel.com>

>  
>     if (0) {
>        _mesa_fprint_program_opt(stderr, &vp->program.Base, PROG_PRINT_DEBUG,
> -- 
> 2.6.3
> 
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev