On Tue, Jan 10, 2017 at 11:50 AM, Lionel Landwerlin
<lionel.g.landwer...@intel.com> wrote:
> With shaders using a lot of inputs/outputs, like this (from Gtk+) :
>
> layout(location = 0) in vec2 inPos;
> layout(location = 1) in float inGradientPos;
> layout(location = 2) in flat int inRepeating;
> layout(location = 3) in flat int inStopCount;
> layout(location = 4) in flat vec4 inClipBounds;
> layout(location = 5) in flat vec4 inClipWidths;
> layout(location = 6) in flat ColorStop inStops[8];
>
> layout(location = 0) out vec4 outColor;
>
> we're missing the programming of the input_slots_valid field leading
> to an assert further down the backend code.
>
> Note that we need the shader to be translated from spirv before we can
> get the number of inputs/outputs so we set this in a post function and
> leave the field at 0 for hashing.
>
> v2: Use valid slots of the geometry or vertex stage (Jason)
>
> Signed-off-by: Lionel Landwerlin <lionel.g.landwer...@intel.com>
> Cc: Jason Ekstrand <ja...@jlekstrand.net>
> Cc: Kenneth Graunke <kenn...@whitecape.org>
> ---
> src/intel/vulkan/anv_pipeline.c | 21 +++++++++++++++++++--
> 1 file changed, 19 insertions(+), 2 deletions(-)
>
> diff --git a/src/intel/vulkan/anv_pipeline.c b/src/intel/vulkan/anv_pipeline.c
> index 2c46ef5bf9..e51149cf37 100644
> --- a/src/intel/vulkan/anv_pipeline.c
> +++ b/src/intel/vulkan/anv_pipeline.c
> @@ -266,8 +266,6 @@ populate_wm_prog_key(const struct gen_device_info
> *devinfo,
>
> populate_sampler_prog_key(devinfo, &key->tex);
>
> - /* TODO: Fill out key->input_slots_valid */
> -
> /* Vulkan doesn't specify a default */
> key->high_quality_derivatives = false;
>
> @@ -293,6 +291,23 @@ populate_wm_prog_key(const struct gen_device_info
> *devinfo,
> }
>
> static void
> +post_populate_wm_prog_key(const struct anv_pipeline *pipeline,
> + const nir_shader *nir,
> + struct brw_wm_prog_key *key)
> +{
> + if (_mesa_bitcount_64(nir->info->inputs_read &
> + BRW_FS_VARYING_INPUT_MASK) > 16) {
> + struct anv_shader_bin * const *shaders = pipeline->shaders;
> + const struct brw_vue_prog_data *vue_prog_data =
> + shaders[MESA_SHADER_GEOMETRY] ?
> + (struct brw_vue_prog_data *)
> shaders[MESA_SHADER_GEOMETRY]->prog_data :
As you're about to get tess support, maybe just take that into account
here? It should fall back as GP -> TEP -> VP. (Presumably the logic
you're copying from has this as well.)
> + (struct brw_vue_prog_data *) shaders[MESA_SHADER_VERTEX]->prog_data;
> +
> + key->input_slots_valid = vue_prog_data->vue_map.slots_valid;
> + }
> +}
> +
> +static void
> populate_cs_prog_key(const struct gen_device_info *devinfo,
> struct brw_cs_prog_key *key)
> {
> @@ -616,6 +631,8 @@ anv_pipeline_compile_fs(struct anv_pipeline *pipeline,
> if (nir == NULL)
> return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
>
> + post_populate_wm_prog_key(pipeline, nir, &key);
> +
> unsigned num_rts = 0;
> struct anv_pipeline_binding rt_bindings[8];
> nir_function_impl *impl = nir_shader_get_entrypoint(nir);
> --
> 2.11.0
> _______________________________________________
> mesa-dev mailing list
> mesa-dev@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
