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lavapipe: allow fbfetch with shader objects

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required by DRLR

cc: mesa-stable

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41312>
(cherry picked from commit 547dc7a131)
This commit is contained in:
Mike Blumenkrantz 2026-05-01 10:42:11 -04:00 • committed by Eric Engestrom
parent 39df167793
commit abe38b0623
2 changed files with 1 additions and 9 deletions
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2
.pick_status.json
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@ -1614,7 +1614,7 @@
"description": "lavapipe: allow fbfetch with shader objects",
"nominated": true,
"nomination_type": 1,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": null,
"notes": null

8
src/gallium/frontends/lavapipe/lvp_pipeline.c
View file

@ -1315,14 +1315,6 @@ create_shader_object(struct lvp_device *device, const VkShaderCreateInfoEXT *pCr
shader->tess_ccw = lvp_create_pipeline_nir(nir_shader_clone(NULL, shader->pipeline_nir->nir));
shader->tess_ccw->nir->info.tess.ccw = !shader->pipeline_nir->nir->info.tess.ccw;
shader->tess_ccw_cso = lvp_shader_compile(device, shader, nir_shader_clone(NULL, shader->tess_ccw->nir), false);
} else if (stage == MESA_SHADER_FRAGMENT && nir->info.fs.uses_fbfetch_output) {
/* this is (currently) illegal */
assert(!nir->info.fs.uses_fbfetch_output);
shader_destroy(device, shader, false);
vk_object_base_finish(&shader->base);
vk_free2(&device->vk.alloc, pAllocator, shader);
return VK_NULL_HANDLE;
}
nir_serialize(&shader->blob, nir, true);
shader->shader_cso = lvp_shader_compile(device, shader, nir_shader_clone(NULL, nir), false);