radv: add sample mask input support

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2017-01-31 05:30:26 +10:00
parent 58c97a0791
commit bdcbe7c76b

View File

@ -99,6 +99,7 @@ struct nir_to_llvm_context {
LLVMValueRef linear_sample, linear_center, linear_centroid;
LLVMValueRef front_face;
LLVMValueRef ancillary;
LLVMValueRef sample_coverage;
LLVMValueRef frag_pos[4];
LLVMBasicBlockRef continue_block;
@ -532,7 +533,7 @@ static void create_function(struct nir_to_llvm_context *ctx)
arg_types[arg_idx++] = ctx->f32; /* pos w float */
arg_types[arg_idx++] = ctx->i32; /* front face */
arg_types[arg_idx++] = ctx->i32; /* ancillary */
arg_types[arg_idx++] = ctx->f32; /* sample coverage */
arg_types[arg_idx++] = ctx->i32; /* sample coverage */
arg_types[arg_idx++] = ctx->i32; /* fixed pt */
break;
default:
@ -659,6 +660,7 @@ static void create_function(struct nir_to_llvm_context *ctx)
ctx->frag_pos[3] = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->front_face = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->ancillary = LLVMGetParam(ctx->main_function, arg_idx++);
ctx->sample_coverage = LLVMGetParam(ctx->main_function, arg_idx++);
break;
default:
unreachable("Shader stage not implemented");
@ -3115,6 +3117,9 @@ static void visit_intrinsic(struct nir_to_llvm_context *ctx,
ctx->shader_info->fs.force_persample = true;
result = load_sample_pos(ctx);
break;
case nir_intrinsic_load_sample_mask_in:
result = ctx->sample_coverage;
break;
case nir_intrinsic_load_front_face:
result = ctx->front_face;
break;