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llvmpipe: Allow comparison sampling for float formats

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Fixes test_gather_c (vkd3d-proton).

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23996>
This commit is contained in:
Konstantin Seurer 2023-07-04 18:24:30 +02:00 • committed by Marge Bot
parent 9caf625490
commit 91d090f0e7
1 changed files with 8 additions and 1 deletions
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9
src/gallium/drivers/llvmpipe/lp_texture_handle.c
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@ -343,8 +343,15 @@ compile_sample_function(struct llvmpipe_context *ctx, struct lp_static_texture_s
if ((sampler->compare_mode == PIPE_TEX_COMPARE_NONE) == !!(sample_key & LP_SAMPLER_SHADOW))
return NULL;
/* Skip integer formats which would cause a type mismatch in the compare function. */
const struct util_format_description *desc = util_format_description(texture->format);
if ((sample_key & LP_SAMPLER_SHADOW) && !util_format_has_depth(desc))
struct lp_type texel_type = {
.floating = true,
.width = 32,
.length = 1,
};
texel_type = lp_build_texel_type(texel_type, desc);
if ((sample_key & LP_SAMPLER_SHADOW) && !texel_type.floating)
return NULL;
if (texture_dims(texture->target) != 2 && op_type == LP_SAMPLER_OP_GATHER)