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asahi,agx: Respect no16 even for I/O

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Don't call lower_mediump_io for no16. This is helpful for debugging and soon
driconf-shaming apps with broken precision qualifiers.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24635>
This commit is contained in:
Alyssa Rosenzweig
2023-07-25 09:50:48 -04:00
committed by Marge Bot
parent 721aa39ad9
commit 3e5d2f0c1b
4 changed files with 18 additions and 10 deletions
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13
src/asahi/compiler/agx_compile.c
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@@ -2562,7 +2562,7 @@ agx_compile_function_nir(nir_shader *nir, nir_function_impl *impl,
* lowered here to avoid duplicate work with shader variants.
*/
void
agx_preprocess_nir(nir_shader *nir, bool support_lod_bias,
agx_preprocess_nir(nir_shader *nir, bool support_lod_bias, bool allow_mediump,
struct agx_uncompiled_shader_info *out)
{
if (out)
@@ -2592,7 +2592,6 @@ agx_preprocess_nir(nir_shader *nir, bool support_lod_bias,
glsl_type_size, 0);
NIR_PASS_V(nir, nir_lower_ssbo);
if (nir->info.stage == MESA_SHADER_FRAGMENT) {
uint64_t texcoord = agx_texcoord_mask(nir);
struct interp_masks masks = agx_interp_masks(nir);
NIR_PASS_V(nir, agx_nir_lower_frag_sidefx);
@@ -2602,9 +2601,13 @@ agx_preprocess_nir(nir_shader *nir, bool support_lod_bias,
* hardware limitation. The resulting code (with an extra f2f16 at the end
* if needed) matches what Metal produces.
*/
NIR_PASS_V(nir, nir_lower_mediump_io,
nir_var_shader_in | nir_var_shader_out,
~(masks.flat | texcoord), false);
if (likely(allow_mediump)) {
uint64_t texcoord = agx_texcoord_mask(nir);
NIR_PASS_V(nir, nir_lower_mediump_io,
nir_var_shader_in | nir_var_shader_out,
~(masks.flat | texcoord), false);
}
if (out) {
out->inputs_flat_shaded = masks.flat;