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llvmpipe: support EXT_mesh_shader

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Reviewed-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37408>
This commit is contained in:
Mike Blumenkrantz 2025-09-16 10:07:08 -04:00 • committed by Marge Bot
parent ad04df6168
commit 1760cd5528
1 changed files with 37 additions and 0 deletions
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37
src/gallium/drivers/llvmpipe/lp_screen.c
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@ -394,6 +394,43 @@ llvmpipe_init_screen_caps(struct pipe_screen *screen)
caps->shader_subgroup_supported_stages = BITFIELD_MASK(MESA_SHADER_MESH_STAGES);
caps->shader_subgroup_supported_features = PIPE_SHADER_SUBGROUP_FEATURE_MASK;
caps->mesh_shader = true;
caps->mesh.max_task_work_group_total_count = 4194304;
caps->mesh.max_mesh_work_group_total_count = 4194304;
caps->mesh.max_mesh_work_group_invocations = 1024;
caps->mesh.max_task_work_group_invocations = 1024;
caps->mesh.max_task_payload_size = 16384;
caps->mesh.max_task_shared_memory_size = 32768;
caps->mesh.max_mesh_shared_memory_size = 28672;
caps->mesh.max_task_payload_and_shared_memory_size = 32768;
caps->mesh.max_mesh_payload_and_shared_memory_size = 32768;
caps->mesh.max_mesh_output_memory_size = 32768;
caps->mesh.max_mesh_payload_and_output_memory_size = 16384 * 28672;
caps->mesh.max_mesh_output_vertices = 256;
caps->mesh.max_mesh_output_primitives = 256;
caps->mesh.max_mesh_output_components = 128;
caps->mesh.max_mesh_output_layers = 8;
caps->mesh.max_mesh_multiview_view_count = 0; //???
caps->mesh.mesh_output_per_vertex_granularity = 1;
caps->mesh.mesh_output_per_primitive_granularity = 1;
caps->mesh.max_preferred_task_work_group_invocations = 64;
caps->mesh.max_preferred_mesh_work_group_invocations = 128;
caps->mesh.mesh_prefers_local_invocation_vertex_output = true;
caps->mesh.mesh_prefers_local_invocation_primitive_output = true;
caps->mesh.mesh_prefers_compact_vertex_output = true;
caps->mesh.mesh_prefers_compact_primitive_output = false;
for (unsigned i = 0; i < 3; i++) {
caps->mesh.max_task_work_group_count[i] = 65536;
caps->mesh.max_mesh_work_group_count[i] = 65536;
caps->mesh.max_task_work_group_size[i] = 1024;
caps->mesh.max_mesh_work_group_size[i] = 1024;
}
caps->mesh.pipeline_statistic_queries = true;
}