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virgl: Always make some extra temps available for transformations

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The host driver will optimize unused variables away, and checking thoroughly whether we
may need an extra temp is just uselessly costly.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15836>
This commit is contained in:
Gert Wollny 2022-04-09 11:54:29 +02:00 • committed by Marge Bot
parent a4a34cd323
commit a083ae818a
1 changed files with 3 additions and 5 deletions
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8
src/gallium/drivers/virgl/virgl_tgsi.c
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@ -189,11 +189,9 @@ virgl_tgsi_transform_prolog(struct tgsi_transform_context * ctx)
{
struct virgl_transform_context *vtctx = (struct virgl_transform_context *)ctx;
if (vtctx->info.uses_doubles || vtctx->info.file_count[TGSI_FILE_SAMPLER_VIEW]) {
vtctx->src_temp = vtctx->next_temp;
vtctx->next_temp += 4;
tgsi_transform_temps_decl(ctx, vtctx->src_temp, vtctx->src_temp + 3);
}
vtctx->src_temp = vtctx->next_temp;
vtctx->next_temp += 4;
tgsi_transform_temps_decl(ctx, vtctx->src_temp, vtctx->src_temp + 3);
if (vtctx->num_writemask_fixups) {
vtctx->writemask_fixup_temps = vtctx->next_temp;