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agx: implement query_levels

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26963>
This commit is contained in:
Alyssa Rosenzweig
2023-12-10 17:20:41 -04:00
parent 65789854c5
commit 43fc09a0d8
2 changed files with 18 additions and 1 deletions
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7
src/asahi/compiler/agx_nir_lower_texture.c
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@@ -35,7 +35,8 @@ lower_tex_crawl(nir_builder *b, nir_instr *instr, UNUSED void *data)
nir_tex_instr *tex = nir_instr_as_tex(instr);
b->cursor = nir_before_instr(instr);
if (tex->op != nir_texop_txs && tex->op != nir_texop_texture_samples)
if (tex->op != nir_texop_txs && tex->op != nir_texop_texture_samples &&
tex->op != nir_texop_query_levels)
return false;
nir_def *ptr = texture_descriptor_ptr(b, tex);
@@ -55,6 +56,8 @@ lower_tex_crawl(nir_builder *b, nir_instr *instr, UNUSED void *data)
nir_imm_bool(b, tex->sampler_dim == GLSL_SAMPLER_DIM_2D),
nir_imm_bool(b, tex->sampler_dim == GLSL_SAMPLER_DIM_CUBE),
nir_imm_bool(b, tex->is_array));
} else if (tex->op == nir_texop_query_levels) {
res = libagx_texture_levels(b, ptr);
} else {
res = libagx_texture_samples(b, ptr);
}
@@ -317,6 +320,7 @@ lower_sampler_bias(nir_builder *b, nir_instr *instr, UNUSED void *data)
case nir_texop_tg4:
case nir_texop_texture_samples:
case nir_texop_samples_identical:
case nir_texop_query_levels:
/* These operations do not use a sampler */
return false;
@@ -654,6 +658,7 @@ agx_nir_needs_texture_crawl(nir_instr *instr)
/* Queries always become a crawl */
case nir_texop_txs:
case nir_texop_texture_samples:
case nir_texop_query_levels:
return true;
/* Buffer textures need their format read */

12
src/asahi/lib/shaders/texture.cl
View File

@@ -68,6 +68,18 @@ libagx_texture_samples(constant struct agx_texture_packed *ptr)
return (d.samples == AGX_SAMPLE_COUNT_2) ? 2 : 4;
}
uint
libagx_texture_levels(constant struct agx_texture_packed *ptr)
{
agx_unpack(NULL, ptr, TEXTURE, d);
/* As above */
if (d.null)
return 0;
else
return (d.last_level - d.first_level) + 1;
}
static uint32_t
calculate_twiddled_coordinates(ushort2 coord, uint16_t tile_w_px,
uint16_t tile_h_px, uint32_t width_tl)