Mesa (master): freedreno/ir3: fix GETLOD for negative LODs
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Mon Oct 14 22:07:06 UTC 2019
Module: Mesa
Branch: master
Commit: 3cfd5ffb8ca2204004c98b969b82ecd564bda730
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=3cfd5ffb8ca2204004c98b969b82ecd564bda730
Author: Jonathan Marek <jonathan at marek.ca>
Date: Mon Oct 7 16:21:09 2019 -0400
freedreno/ir3: fix GETLOD for negative LODs
Note: for output type U32, negative LOD is not sign extended from 16 bits
Signed-off-by: Jonathan Marek <jonathan at marek.ca>
Reviewed-by: Rob Clark <robclark at gmail.com>
---
src/freedreno/ir3/ir3_compiler_nir.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/freedreno/ir3/ir3_compiler_nir.c b/src/freedreno/ir3/ir3_compiler_nir.c
index 7061964be20..38dad5c7e49 100644
--- a/src/freedreno/ir3/ir3_compiler_nir.c
+++ b/src/freedreno/ir3/ir3_compiler_nir.c
@@ -1918,7 +1918,7 @@ emit_tex(struct ir3_context *ctx, nir_tex_instr *tex)
}
if (opc == OPC_GETLOD)
- type = TYPE_U32;
+ type = TYPE_S32;
struct ir3_instruction *samp_tex;
@@ -1970,7 +1970,7 @@ emit_tex(struct ir3_context *ctx, nir_tex_instr *tex)
compile_assert(ctx, tex->dest_type == nir_type_float);
for (i = 0; i < 2; i++) {
- dst[i] = ir3_MUL_F(b, ir3_COV(b, dst[i], TYPE_U32, TYPE_F32), 0,
+ dst[i] = ir3_MUL_F(b, ir3_COV(b, dst[i], TYPE_S32, TYPE_F32), 0,
factor, 0);
}
}
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