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nir: Make nir_shader_gather_info() track texelFetch texture accesses.

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For TGSI-based drivers, st_glsl_to_tgsi records this information.
For NIR-based drivers, nir_shader_gather_info() will do so.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Kenneth Graunke
2017-09-09 00:19:57 -07:00
parent fbf4c2916c
commit a576c148cd
1 changed files with 13 additions and 1 deletions
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14
src/compiler/nir/nir_gather_info.c
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@@ -264,8 +264,20 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, nir_shader *shader)
static void static void
gather_tex_info(nir_tex_instr *instr, nir_shader *shader) gather_tex_info(nir_tex_instr *instr, nir_shader *shader)
{ {
if (instr->op == nir_texop_tg4) switch (instr->op) {
case nir_texop_tg4:
shader->info.uses_texture_gather = true; shader->info.uses_texture_gather = true;
break;
case nir_texop_txf:
case nir_texop_txf_ms:
case nir_texop_txf_ms_mcs:
shader->info.textures_used_by_txf |=
((1 << MAX2(instr->texture_array_size, 1)) - 1) <<
instr->texture_index;
break;
default:
break;
}
} }
static void static void