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mesa/src/intel/vulkan
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Lionel Landwerlin 7ddb49653d anv/brw: rework primitive count writing 
Instead the complicated logic we currently have, do this :

We start with this shader :

int main() {
   ...
   if (...) {
      SetMeshOutputsEXT(0, 0);
      return;
   } else {
      SetMeshOutputsEXT(...);
   }
   ...
}

We turn it into this :

int main() {
   uint __temp_prim_count = 0;
   ...
   if (...) {
      __temp_prim_count = 0;
      return;
   } else {
      __temp_prim_count = ...;
   }
   ...

   if (is_first_group_lane()) {
      SetMeshOutputsEXT(..., __temp_prim_count);
   }
}

This works because the SPIRV spec says this :

   "The arguments are taken from the first invocation in each
    workgroup. Any invocation must execute this instruction no more
    than once and under uniform control flow."

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: mesa-stable
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/12388
Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33038>
2025-01-24 10:19:28 +00:00
..
bvh anv/bvh: Dump BVH synchronously upon command buffer completion 2024-12-16 23:01:11 +00:00
grl anv: Build for Xe3 2024-10-26 07:39:30 +00:00
i915 anv: Check VkResult main batch buffer before start companion batch buffer 2025-01-09 13:47:28 +00:00
layers anv: reuse object string for RMV token 2024-08-05 21:12:59 +00:00
tests intel/tests: Reduce load from anv_tests 2024-09-09 12:54:34 +00:00
xe anv/xe: Bind queue per anv_queue 2025-01-14 14:39:53 +00:00
anv_allocator.c anv:Fix memory grow calculation overflow issue 2024-12-09 18:49:17 +00:00
anv_android.c anv/android: resolve ANB swapchain images on bind 2024-08-05 20:06:06 +00:00
anv_android.h anv/android: refactor out u_gralloc tiling query 2024-08-05 20:06:06 +00:00
anv_android_stubs.c anv/android: refactor out u_gralloc tiling query 2024-08-05 20:06:06 +00:00
anv_api_version.h anv: advertise Vulkan 1.4 2024-12-02 21:56:39 +00:00
anv_astc_emu.c anv: move astc_emu to use descriptors2 calls 2024-01-02 22:12:02 +00:00
anv_batch_chain.c anv: prevent access to destroyed vk_sync objects post submission 2024-11-19 19:40:03 +00:00
anv_blorp.c anv: use the correct MOCS for depth destinations 2025-01-09 17:47:27 +00:00
anv_bo_sync.c anv: Add missing ANV_BO_ALLOC_INTERNAL 2024-04-19 13:15:01 +00:00
anv_buffer.c anv: Allow compressed memtypes with default buffer types 2024-12-06 17:21:06 +00:00
anv_buffer_view.c anv: split buffer view from anv_image.c 2024-07-22 18:46:05 +00:00
anv_cmd_buffer.c anv: limit the memcpy data for push constants 2025-01-02 16:48:04 +00:00
anv_descriptor_set.c anv: use vk_descriptor_type_is_dynamic 2024-12-19 15:12:58 +00:00
anv_device.c anv: Return scanout PAT entry for scanout and external buffers in discrete GPUs 2025-01-23 18:27:31 +00:00
anv_event.c anv: split events from anv_device.c 2024-07-22 18:46:05 +00:00
anv_formats.c anv: report formats supported by the common bvh framework 2024-12-05 15:54:10 +00:00
anv_gem.c anv: remove some wrapping around mmap 2024-03-05 07:03:13 +00:00
anv_gem_stubs.c anv: make device initialization more asynchronous 2024-06-13 08:29:25 +00:00
anv_genX.h anv: Implement cmd_dispatch_unaligned callback 2024-12-04 10:41:45 +00:00
anv_image.c anv: Allow WSI blit_src Image to be kept compressed when transitioning to VK_IMAGE_LAYOUT_PRESENT_SRC_KHR 2025-01-23 18:27:31 +00:00
anv_image_host_copy.c anv: fix extent computation in image->image host copies 2024-11-07 22:44:41 +00:00
anv_image_view.c anv: Support non-0/1 sRGB fast-clear colors on gfx9 2024-11-18 14:57:46 +00:00
anv_instance.c anv: Allow compressed memtypes with default buffer types 2024-12-06 17:21:06 +00:00
anv_internal_kernels.c anv: remove print lowering 2025-01-17 18:09:46 +00:00
anv_internal_kernels.h anv: implement Wa_16011107343/22018402687 for generated draws 2024-11-12 22:48:39 +00:00
anv_kmd_backend.c anv: Add gem VM bind and unbind to backend 2023-03-11 17:56:01 +00:00
anv_kmd_backend.h anv: make device initialization more asynchronous 2024-06-13 08:29:25 +00:00
anv_measure.c anv/measure: ignore events from reused command buffers 2024-08-05 23:45:41 +00:00
anv_measure.h
anv_mesh_perprim_wa.c anv/Wa_18019110168: copy the primitive count writes 2025-01-24 10:19:28 +00:00
anv_nir.h anv: simplify loading driver internal constants 2024-08-22 19:44:39 +00:00
anv_nir_apply_pipeline_layout.c anv: use vk_descriptor_type_is_dynamic 2024-12-19 15:12:58 +00:00
anv_nir_compute_push_layout.c anv: rework tbimr push constant workaround 2025-01-03 11:48:42 +00:00
anv_nir_lower_load_patch_vertices_in.c anv: simplify loading driver internal constants 2024-08-22 19:44:39 +00:00
anv_nir_lower_multiview.c nir: handle arbitrary per-view outputs in nir_lower_multiview 2024-12-09 20:31:49 +00:00
anv_nir_lower_resource_intel.c treewide: use nir_metadata_control_flow 2024-06-17 16:28:14 -04:00
anv_nir_lower_ubo_loads.c Revert in correct commit "fix" 2024-11-26 16:36:06 +02:00
anv_nir_push_descriptor_analysis.c anv: add pipeline/shader support for descriptor buffers 2024-02-29 07:05:06 +00:00
anv_perf.c anv: Enable perf metrics id set syncronization 2024-11-05 19:25:53 +00:00
anv_physical_device.c anv: add initial support for AV1 decoding 2025-01-10 21:45:04 +00:00
anv_pipeline.c anv/brw: rework primitive count writing 2025-01-24 10:19:28 +00:00
anv_pipeline_cache.c nir/validate: validate ssa dominance by default 2025-01-23 23:35:44 +00:00
anv_private.h anv: Allow WSI blit_src Image to be kept compressed when transitioning to VK_IMAGE_LAYOUT_PRESENT_SRC_KHR 2025-01-23 18:27:31 +00:00
anv_queue.c anv/bvh: Dump BVH synchronously upon command buffer completion 2024-12-16 23:01:11 +00:00
anv_rmv.c anv: initial RMV support 2024-01-23 17:24:19 +00:00
anv_rmv.h anv: initial RMV support 2024-01-23 17:24:19 +00:00
anv_sampler.c anv: split sampler from anv_device.c 2024-07-22 18:46:05 +00:00
anv_sparse.c anv: wrap binding address setting 2024-10-18 07:43:37 +00:00
anv_util.c anv: handle printf buffer size relocations 2025-01-17 18:09:45 +00:00
anv_utrace.c anv: add tracepoints timestamp mode for empty dispatches 2025-01-03 10:36:49 +00:00
anv_va.c anv:increase instruction heap to 3Gb 2024-12-09 19:14:38 +00:00
anv_video.c anv: add initial support for AV1 decoding 2025-01-10 21:45:04 +00:00
anv_wsi.c intel: move debug identifier out of libintel_dev 2024-05-11 01:52:01 +00:00
av1_tables.h anv: add default av1 tables from media-driver 2025-01-10 21:45:04 +00:00
genX_acceleration_structure.c anv: Delete acceleration structure stubs 2025-01-23 05:16:58 +00:00
genX_acceleration_structure_grl.c anv: Split GRL code path in separate file 2024-12-04 10:41:44 +00:00
genX_blorp_exec.c anv: rework Wa_18038825448 to track state on anv_gfx_dynamic_state 2024-11-27 16:51:57 +00:00
genX_cmd_buffer.c anv: Inline can_fast_clear_with_non_zero_color 2025-01-14 03:43:55 +00:00
genX_cmd_compute.c intel : Expose Shader hashes for utrace and Perfetto 2025-01-10 17:38:16 +00:00
genX_cmd_draw.c intel : Expose Shader hashes for utrace and Perfetto 2025-01-10 17:38:16 +00:00
genX_cmd_draw_generated_flush.h intel: Use _brw suffix for genX headers that rely on brw 2024-02-24 00:24:32 +00:00
genX_cmd_draw_generated_indirect.h anv: implement Wa_16011107343/22018402687 for generated draws 2024-11-12 22:48:39 +00:00
genX_cmd_draw_helpers.h anv: create new helper for small allocations 2024-02-29 07:05:06 +00:00
genX_cmd_video.c anv: fix to set default cdf buf correctly. 2025-01-10 21:45:04 +00:00
genX_cmd_video_enc.c anv: inline query for vulkan video encode 2024-10-24 08:17:11 +00:00
genX_gfx_state.c anv: don't look at pipelines to figure out CPS values 2025-01-23 17:13:54 +00:00
genX_gpu_memcpy.c anv: pass anv_device to batch_set_preemption 2024-11-26 13:05:30 +00:00
genX_init_state.c anv: Use 3DSTATE_URB_ALLOC_* instructions 2025-01-09 21:26:40 +00:00
genX_internal_kernels.c anv: implement Wa_16011107343/22018402687 for generated draws 2024-11-12 22:48:39 +00:00
genX_mi_builder.h anv: predicate emission of STATE_BASE_ADDRESS 2024-06-18 20:44:51 +00:00
genX_pipeline.c anv: Use 3DSTATE_URB_ALLOC_* instructions 2025-01-09 21:26:40 +00:00
genX_query.c anv: Implement acceleration structure API 2024-12-04 10:41:45 +00:00
genX_simple_shader.c anv: move tracking of tcs_input_vertices/fs_msaa_flags to hw state 2024-11-26 13:05:30 +00:00
meson.build anv: Implement acceleration structure API 2024-12-04 10:41:45 +00:00