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pan/bi: Fix blend shaders using LD_TILE with MRT

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Don't hardcode the RT to 0. Affects ES3.0 which already exposes MRT --
despite no dEQP coverage of this particular corner case, apps could hit
this in the wild on 21.0. Fixes

dEQP-GLES31.functional.draw_buffers_indexed.overwrite_indexed.common_blend_func_buffer_blend_func

Fixes: c7e1ef7c0c ("panfrost: Advertise ES3.0 on Bifrost")
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9105>
This commit is contained in:
Alyssa Rosenzweig 2021-02-16 18:19:29 -05:00 • committed by Marge Bot
parent 9151329fd2
commit cff5c40fc3
1 changed files with 1 additions and 0 deletions
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src/panfrost/bifrost/bifrost_compile.c
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@ -93,6 +93,7 @@ bi_emit_ld_tile(bi_builder *b, nir_intrinsic_instr *instr)
*/
struct bifrost_pixel_indices pix = {
.y = BIFROST_CURRENT_PIXEL,
.rt = b->shader->inputs->blend.rt
};
uint64_t blend_desc = b->shader->inputs->blend.bifrost_blend_desc;