Mesa (master): pan/bi: Use TEXC for indices >= 8
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Mon Jan 11 22:43:59 UTC 2021
Module: Mesa
Branch: master
Commit: b15f3a1107f6ce54bea76fa583442773dd5ab634
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=b15f3a1107f6ce54bea76fa583442773dd5ab634
Author: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Date: Mon Jan 11 13:52:53 2021 -0500
pan/bi: Use TEXC for indices >= 8
Otherwise it can't fit, fixes
dEQP-GLES3.functional.texture.units.all_units.only_2d.*
dEQP-GLES3.functional.texture.units.all_units.only_cube.*
dEQP-GLES3.functional.texture.units.all_units.mixed.*
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Tested-by: Maciej Matuszczyk <maccraft123mc at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8427>
---
src/panfrost/bifrost/bifrost_compile.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/panfrost/bifrost/bifrost_compile.c b/src/panfrost/bifrost/bifrost_compile.c
index 5f96b5a3eb6..f2306c5bc68 100644
--- a/src/panfrost/bifrost/bifrost_compile.c
+++ b/src/panfrost/bifrost/bifrost_compile.c
@@ -1625,7 +1625,8 @@ bi_emit_texc(bi_builder *b, nir_tex_instr *instr)
}
/* Simple textures ops correspond to NIR tex or txl with LOD = 0 on 2D (or cube
- * map, TODO) textures. Anything else needs a complete texture op. */
+ * map, TODO) textures with sufficiently small immediate indices. Anything else
+ * needs a complete texture op. */
static bool
bi_is_simple_tex(nir_tex_instr *instr)
@@ -1639,6 +1640,10 @@ bi_is_simple_tex(nir_tex_instr *instr)
return false;
}
+ /* Indices need to fit in 3 bits */
+ if (MAX2(instr->sampler_index, instr->texture_index) >= (1 << 3))
+ return false;
+
int lod_idx = nir_tex_instr_src_index(instr, nir_tex_src_lod);
if (lod_idx < 0)
return true;
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