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llvmpipe: don't allow texture/resource swizzles on linear path

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This fixes another VMware test (dx9-stretch-formats-copy-a8r8g8b8-x8r8g8b8).

Signed-off-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
cc: mesa-stable

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17062>
This commit is contained in:
Brian Paul
2022-06-14 13:41:21 -06:00
parent 2b14a7658a
commit dfb2ea3531
1 changed files with 11 additions and 1 deletions
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src/gallium/drivers/llvmpipe/lp_linear_sampler.c
+11 -1
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@@ -940,7 +940,9 @@ lp_linear_init_noop_sampler(struct lp_linear_sampler *samp)
samp->base.fetch = fetch_noop;
}
/* Check the variant for linear path compatibility.
/*
* Check the given sampler and texture info for linear path compatibility.
*/
boolean
lp_linear_check_sampler(const struct lp_sampler_static_state *sampler,
@@ -972,6 +974,14 @@ lp_linear_check_sampler(const struct lp_sampler_static_state *sampler,
sampler->texture_state.format != PIPE_FORMAT_B8G8R8X8_UNORM)
return FALSE;
/* We don't support sampler view swizzling on the linear path */
if (sampler->texture_state.swizzle_r != PIPE_SWIZZLE_X ||
sampler->texture_state.swizzle_g != PIPE_SWIZZLE_Y ||
sampler->texture_state.swizzle_b != PIPE_SWIZZLE_Z ||
sampler->texture_state.swizzle_a != PIPE_SWIZZLE_W) {
return FALSE;
}
return TRUE;
}