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radv: fix computation of user sgprs for 32-bit pointers

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With 32-bit pointers we only need one user SGPR per desc set.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2018-05-21 16:57:54 +02:00
parent c5536fc813
commit 75e919c045
1 changed files with 3 additions and 1 deletions
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4
src/amd/vulkan/radv_nir_to_llvm.c
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@@ -694,8 +694,10 @@ static void allocate_user_sgprs(struct radv_shader_context *ctx,
uint32_t available_sgprs = ctx->options->chip_class >= GFX9 ? 32 : 16;
uint32_t remaining_sgprs = available_sgprs - user_sgpr_count;
uint32_t num_desc_set =
util_bitcount(ctx->shader_info->info.desc_set_used_mask);
if (remaining_sgprs / 2 < util_bitcount(ctx->shader_info->info.desc_set_used_mask)) {
if (remaining_sgprs / (HAVE_32BIT_POINTERS ? 1 : 2) < num_desc_set) {
user_sgpr_info->indirect_all_descriptor_sets = true;
}
}