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radv/llvm: gather VS input usage mask from load_input

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6912>
This commit is contained in:
Samuel Pitoiset 2020-09-25 17:14:13 +02:00 • committed by Marge Bot
parent 1c4a21328e
commit b3402997a5
1 changed files with 22 additions and 0 deletions
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22
src/amd/vulkan/radv_shader_info.c
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@ -112,6 +112,25 @@ gather_intrinsic_load_deref_info(const nir_shader *nir,
}
}
static void
gather_intrinsic_load_input_info(const nir_shader *nir,
const nir_intrinsic_instr *instr,
struct radv_shader_info *info)
{
switch (nir->info.stage) {
case MESA_SHADER_VERTEX: {
unsigned idx = nir_intrinsic_io_semantics(instr).location;
unsigned component = nir_intrinsic_component(instr);
unsigned mask = nir_ssa_def_components_read(&instr->dest.ssa);
info->vs.input_usage_mask[idx] |= mask << component;
break;
}
default:
break;
}
}
static uint32_t
widen_writemask(uint32_t wrmask)
{
@ -384,6 +403,9 @@ gather_intrinsic_info(const nir_shader *nir, const nir_intrinsic_instr *instr,
case nir_intrinsic_global_atomic_comp_swap:
set_writes_memory(nir, info);
break;
case nir_intrinsic_load_input:
gather_intrinsic_load_input_info(nir, instr, info);
break;
case nir_intrinsic_load_deref:
gather_intrinsic_load_deref_info(nir, instr, info);
break;