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d3d12: switch to NIR loop unrolling

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Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16543>
This commit is contained in:
Timothy Arceri 2022-05-06 11:30:30 +10:00 • committed by Marge Bot
parent c4295816af
commit 2a2a2e58d1
2 changed files with 3 additions and 3 deletions
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4
src/gallium/drivers/d3d12/d3d12_screen.cpp
View file

@ -463,9 +463,6 @@ d3d12_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
return 0; /* no idea */
case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
return 32; /* arbitrary */
case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
return
(screen->max_feature_level >= D3D_FEATURE_LEVEL_11_1 ||
@ -483,6 +480,7 @@ d3d12_get_shader_param(struct pipe_screen *pscreen,
screen->opts.ResourceBindingTier >= D3D12_RESOURCE_BINDING_TIER_3) ?
PIPE_MAX_SHADER_IMAGES : D3D12_PS_CS_UAV_REGISTER_COUNT;
case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
case PIPE_SHADER_CAP_LDEXP_SUPPORTED:
case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:

2
src/microsoft/compiler/nir_to_dxil.c
View file

@ -129,6 +129,8 @@ nir_options = {
nir_lower_dfloor |
nir_lower_dceil |
nir_lower_dround_even,
.max_unroll_iterations = 32, /* arbitrary */
.force_indirect_unrolling = (nir_var_shader_in | nir_var_shader_out | nir_var_function_temp),
};
const nir_shader_compiler_options*