OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

microsoft/compiler: Handle 'pull model' explicit interpolation intrinsics

Browse Source 
Reviewed-by: Sil Vilerino <sivileri@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14624>
This commit is contained in:
Jesse Natalie
2022-01-14 14:23:17 -08:00
committed by Marge Bot
parent 5b51842b58
commit 30a44e4c3d
2 changed files with 82 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/microsoft/compiler/dxil_function.c
View File

@@ -76,6 +76,9 @@ static struct predefined_func_descr predefined_funcs[] = {
{"dx.op.splitDouble", "G", "ig", DXIL_ATTR_KIND_READ_NONE},
{"dx.op.texture2DMSGetSamplePosition", "S", "i@i", DXIL_ATTR_KIND_READ_ONLY},
{"dx.op.renderTargetGetSamplePosition", "S", "ii", DXIL_ATTR_KIND_READ_ONLY},
{"dx.op.evalSnapped", "O", "iiicii", DXIL_ATTR_KIND_READ_NONE},
{"dx.op.evalCentroid", "O", "iiic", DXIL_ATTR_KIND_READ_NONE},
{"dx.op.evalSampleIndex", "O", "iiici", DXIL_ATTR_KIND_READ_NONE},
};
struct func_descr {

79
src/microsoft/compiler/nir_to_dxil.c
View File

@@ -109,6 +109,7 @@ nir_options = {
.lower_unpack_snorm_4x8 = true,
.lower_unpack_unorm_2x16 = true,
.lower_unpack_unorm_4x8 = true,
.lower_interpolate_at = true,
.has_fsub = true,
.has_isub = true,
.use_scoped_barrier = true,
@@ -257,6 +258,10 @@ enum dxil_intr {
DXIL_INTR_DDX_FINE = 85,
DXIL_INTR_DDY_FINE = 86,
DXIL_INTR_EVAL_SNAPPED = 87,
DXIL_INTR_EVAL_SAMPLE_INDEX = 88,
DXIL_INTR_EVAL_CENTROID = 89,
DXIL_INTR_SAMPLE_INDEX = 90,
DXIL_INTR_THREAD_ID = 93,
@@ -2912,6 +2917,70 @@ emit_load_input_via_intrinsic(struct ntd_context *ctx, nir_intrinsic_instr *intr
return true;
}
static bool
emit_load_interpolated_input(struct ntd_context *ctx, nir_intrinsic_instr *intr)
{
nir_intrinsic_instr *barycentric = nir_src_as_intrinsic(intr->src[0]);
const struct dxil_value *args[6] = { 0 };
unsigned opcode_val;
const char *func_name;
unsigned num_args;
switch (barycentric->intrinsic) {
case nir_intrinsic_load_barycentric_at_offset:
opcode_val = DXIL_INTR_EVAL_SNAPPED;
func_name = "dx.op.evalSnapped";
num_args = 6;
for (unsigned i = 0; i < 2; ++i) {
const struct dxil_value *float_offset = get_src(ctx, &barycentric->src[0], i, nir_type_float);
/* GLSL uses [-0.5f, 0.5f), DXIL uses (-8, 7) */
const struct dxil_value *offset_16 = dxil_emit_binop(&ctx->mod,
DXIL_BINOP_MUL, float_offset, dxil_module_get_float_const(&ctx->mod, 16.0f), 0);
args[i + 4] = dxil_emit_cast(&ctx->mod, DXIL_CAST_FPTOSI,
dxil_module_get_int_type(&ctx->mod, 32), offset_16);
}
break;
case nir_intrinsic_load_barycentric_pixel:
opcode_val = DXIL_INTR_EVAL_SNAPPED;
func_name = "dx.op.evalSnapped";
num_args = 6;
args[4] = args[5] = dxil_module_get_int32_const(&ctx->mod, 0);
break;
case nir_intrinsic_load_barycentric_at_sample:
opcode_val = DXIL_INTR_EVAL_SAMPLE_INDEX;
func_name = "dx.op.evalSampleIndex";
num_args = 5;
args[4] = get_src(ctx, &barycentric->src[0], 0, nir_type_int);
break;
case nir_intrinsic_load_barycentric_centroid:
opcode_val = DXIL_INTR_EVAL_CENTROID;
func_name = "dx.op.evalCentroid";
num_args = 4;
break;
default:
unreachable("Unsupported interpolation barycentric intrinsic");
}
args[0] = dxil_module_get_int32_const(&ctx->mod, opcode_val);
args[1] = dxil_module_get_int32_const(&ctx->mod, nir_intrinsic_base(intr));
args[2] = get_src(ctx, &intr->src[1], 0, nir_type_int);
const struct dxil_func *func = dxil_get_function(&ctx->mod, func_name, DXIL_F32);
if (!func)
return false;
for (unsigned i = 0; i < intr->num_components; ++i) {
args[3] = dxil_module_get_int8_const(&ctx->mod, i + nir_intrinsic_component(intr));
const struct dxil_value *retval = dxil_emit_call(&ctx->mod, func, args, num_args);
if (!retval)
return false;
store_dest(ctx, &intr->dest, i, retval, nir_type_float);
}
return true;
}
static bool
emit_load_ptr(struct ntd_context *ctx, nir_intrinsic_instr *intr)
{
@@ -3776,6 +3845,16 @@ emit_intrinsic(struct ntd_context *ctx, nir_intrinsic_instr *intr)
case nir_intrinsic_store_output:
return emit_store_output_via_intrinsic(ctx, intr);
case nir_intrinsic_load_barycentric_at_offset:
case nir_intrinsic_load_barycentric_at_sample:
case nir_intrinsic_load_barycentric_centroid:
case nir_intrinsic_load_barycentric_pixel:
/* Emit nothing, we only support these as inputs to load_interpolated_input */
return true;
case nir_intrinsic_load_interpolated_input:
return emit_load_interpolated_input(ctx, intr);
break;
case nir_intrinsic_vulkan_resource_index:
return emit_vulkan_resource_index(ctx, intr);
case nir_intrinsic_load_vulkan_descriptor: