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amd/common: scan which components of gl_WorkGroupID are used 

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2017-12-14 16:48:01 +01:00
parent 5a761167f5
commit 42285ed8c3
2 changed files with 9 additions and 0 deletions
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8
src/amd/common/ac_shader_info.c
View File

@ -45,6 +45,14 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, struct ac_shader_info *info)
case nir_intrinsic_load_num_work_groups:
info->cs.uses_grid_size = true;
break;
case nir_intrinsic_load_work_group_id: {
unsigned mask = nir_ssa_def_components_read(&instr->dest.ssa);
while (mask) {
unsigned i = u_bit_scan(&mask);
info->cs.uses_block_id[i] = true;
}
break;
}
case nir_intrinsic_load_sample_id:
info->ps.force_persample = true;
break;

1
src/amd/common/ac_shader_info.h
View File

@ -43,6 +43,7 @@ struct ac_shader_info {
} ps;
struct {
bool uses_grid_size;
bool uses_block_id[3];
} cs;
};