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ac/llvm: build wqm for quad intrinsics only when fragment shader

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Otherwise we get wrong result when non-fragment shader.

Signed-off-by: Qiang Yu <yuq825@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30610>
This commit is contained in:
Qiang Yu 2024-08-09 17:07:57 +08:00
parent 0f937426cc
commit a37933b721
1 changed files with 10 additions and 5 deletions
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15
src/amd/llvm/ac_nir_to_llvm.c
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@ -3276,26 +3276,31 @@ static bool visit_intrinsic(struct ac_nir_context *ctx, nir_intrinsic_instr *ins
case nir_intrinsic_quad_broadcast: {
unsigned lane = nir_src_as_uint(instr->src[1]);
result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), lane, lane, lane, lane);
result = ac_build_wqm(&ctx->ac, result);
if (ctx->info->stage == MESA_SHADER_FRAGMENT)
result = ac_build_wqm(&ctx->ac, result);
break;
}
case nir_intrinsic_quad_swap_horizontal:
result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), 1, 0, 3, 2);
result = ac_build_wqm(&ctx->ac, result);
if (ctx->info->stage == MESA_SHADER_FRAGMENT)
result = ac_build_wqm(&ctx->ac, result);
break;
case nir_intrinsic_quad_swap_vertical:
result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), 2, 3, 0, 1);
result = ac_build_wqm(&ctx->ac, result);
if (ctx->info->stage == MESA_SHADER_FRAGMENT)
result = ac_build_wqm(&ctx->ac, result);
break;
case nir_intrinsic_quad_swap_diagonal:
result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), 3, 2, 1, 0);
result = ac_build_wqm(&ctx->ac, result);
if (ctx->info->stage == MESA_SHADER_FRAGMENT)
result = ac_build_wqm(&ctx->ac, result);
break;
case nir_intrinsic_quad_swizzle_amd: {
uint32_t mask = nir_intrinsic_swizzle_mask(instr);
result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), mask & 0x3,
(mask >> 2) & 0x3, (mask >> 4) & 0x3, (mask >> 6) & 0x3);
result = ac_build_wqm(&ctx->ac, result);
if (ctx->info->stage == MESA_SHADER_FRAGMENT)
result = ac_build_wqm(&ctx->ac, result);
break;
}
case nir_intrinsic_masked_swizzle_amd: {