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asahi/libagx: Stop exposing fake entrypoint _libagx_prefix_sum

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This was a hack to allow things to build but still could break in the
future, let comply by passing scratch as an argument instead.

Signed-off-by: Mary Guillemard <mary.guillemard@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37914>
This commit is contained in:
Mary Guillemard 2025-09-23 11:22:32 +02:00 • committed by Marge Bot
parent c20e2733bf
commit 29f348941d
1 changed files with 6 additions and 5 deletions
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11
src/asahi/libagx/geometry.cl
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@ -745,10 +745,9 @@ libagx_work_group_scan_inclusive_add(uint x, local uint *scratch)
return (uint2)(prefix, reduction);
}
KERNEL(1024)
_libagx_prefix_sum(global uint *buffer, uint len, uint words, uint word)
static void
_libagx_prefix_sum(local uint *scratch, global uint *buffer, uint len, uint words, uint word)
{
local uint scratch[32];
uint tid = cl_local_id.x;
/* Main loop: complete workgroups processing 1024 values at once */
@ -780,7 +779,8 @@ _libagx_prefix_sum(global uint *buffer, uint len, uint words, uint word)
KERNEL(1024)
libagx_prefix_sum_geom(constant struct agx_geometry_params *p)
{
_libagx_prefix_sum(p->count_buffer, p->input_primitives,
local uint scratch[32];
_libagx_prefix_sum(scratch, p->count_buffer, p->input_primitives,
p->count_buffer_stride / 4, cl_group_id.x);
}
@ -788,7 +788,8 @@ KERNEL(1024)
libagx_prefix_sum_tess(global struct libagx_tess_args *p, global uint *c_prims,
global uint *c_invs, uint increment_stats__2)
{
_libagx_prefix_sum(p->counts, p->nr_patches, 1 /* words */, 0 /* word */);
local uint scratch[32];
_libagx_prefix_sum(scratch, p->counts, p->nr_patches, 1 /* words */, 0 /* word */);
/* After prefix summing, we know the total # of indices, so allocate the
* index buffer now. Elect a thread for the allocation.