mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2026-01-25 21:00:22 +01:00
062a35b554
This is another step in setting things up, that zink would like to have. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36496>
54 lines
2 KiB
C
54 lines
2 KiB
C
/*
|
|
* Copyright © 2025 Igalia SL
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include "compiler/nir/nir.h"
|
|
#include "compiler/nir/nir_builder.h"
|
|
|
|
static bool
|
|
force_persample_shading(struct nir_builder *b, nir_intrinsic_instr *intr,
|
|
void *data)
|
|
{
|
|
if (intr->intrinsic == nir_intrinsic_load_barycentric_pixel ||
|
|
intr->intrinsic == nir_intrinsic_load_barycentric_centroid) {
|
|
intr->intrinsic = nir_intrinsic_load_barycentric_sample;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/** Lowering to set up interpolation for sample shading. */
|
|
bool
|
|
nir_lower_sample_shading(nir_shader *nir)
|
|
{
|
|
assert(nir->info.stage == MESA_SHADER_FRAGMENT);
|
|
assert(nir->info.fs.uses_sample_shading);
|
|
|
|
nir_foreach_shader_in_variable(var, nir) {
|
|
nir->info.fs.uses_sample_qualifier = true;
|
|
var->data.sample = true;
|
|
}
|
|
|
|
return nir_shader_intrinsics_pass(nir, force_persample_shading,
|
|
nir_metadata_all, NULL);
|
|
}
|