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gallivm: use lp_build_log2_safe for pow 

lp_build_log2 isn't robust enough to handle special cases for pow, so
let's use lp_build_log2_safe instead.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11800>
This commit is contained in:
Erik Faye-Lund 2021-07-27 14:28:44 +02:00 committed by Marge Bot
parent 2e2e6865b4
commit 08a12feb6e
3 changed files with 2 additions and 5 deletions
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2
src/gallium/auxiliary/gallivm/lp_bld_arit.c
View File

@ -3043,7 +3043,7 @@ lp_build_pow(struct lp_build_context *bld,
}
LLVMValueRef cmp = lp_build_cmp(bld, PIPE_FUNC_EQUAL, x, lp_build_const_vec(bld->gallivm, bld->type, 0.0f));
LLVMValueRef res = lp_build_exp2(bld, lp_build_mul(bld, lp_build_log2(bld, x), y));
LLVMValueRef res = lp_build_exp2(bld, lp_build_mul(bld, lp_build_log2_safe(bld, x), y));
res = lp_build_select(bld, cmp, lp_build_const_vec(bld->gallivm, bld->type, 0.0f), res);
return res;

2
src/gallium/drivers/llvmpipe/ci/traces-llvmpipe.yml
View File

@ -73,7 +73,7 @@ traces:
- path: bgfx/07-callback.rdc
expectations:
- device: gl-vmware-llvmpipe
checksum: 77381f3eb028306e028ab54267a1926a
checksum: 488d471efb84824f2d4be1c75e455881
- path: bgfx/09-hdr.rdc
expectations:
- device: gl-vmware-llvmpipe

3
src/gallium/frontends/lavapipe/ci/deqp-lvp-fails.txt
View File

@ -28,9 +28,6 @@ dEQP-VK.api.copy_and_blit.core.blit_image.all_formats.color.2d.r8g8b8a8_unorm.r1
dEQP-VK.api.copy_and_blit.core.blit_image.all_formats.color.2d.r8g8b8a8_unorm.r16g16b16a16_unorm.optimal_general_linear,Fail
dEQP-VK.api.copy_and_blit.core.blit_image.all_formats.color.2d.r8g8b8a8_unorm.r16g16b16a16_unorm.optimal_linear_linear,Fail
dEQP-VK.api.copy_and_blit.core.blit_image.all_formats.ctimeolor.2d.a8b8g8r8_unorm_pack32.r16_unorm.general_optimal_linear,Fail
dEQP-VK.glsl.builtin.precision.pow.highp.vec2,Fail
dEQP-VK.glsl.builtin.precision.pow.highp.vec3,Fail
dEQP-VK.glsl.builtin.precision.pow.highp.vec4,Fail
dEQP-VK.glsl.texture_functions.query.texturequerylod.isampler2d_fragment,Fail
dEQP-VK.glsl.texture_functions.query.texturequerylod.sampler1d_fixed_fragment,Fail
dEQP-VK.glsl.texture_functions.query.texturequerylod.sampler1darray_float_fragment,Fail