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Add checked Slang shaders for GPU visibility and HZB

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Emil
2026-09-23 22:20:34 +03:00
parent f8cd73b95f
commit 0d2cae18fb
11 changed files with 560 additions and 13 deletions
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tools/compile_shader.py
+18 -3
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@@ -109,13 +109,22 @@ def normalize(raw: dict, bytecode: bytes, entry_name: str) -> dict:
if ty["kind"] == "array":
count = ty["elementCount"]
ty = ty["elementType"]
element_stride = None
if ty["kind"] == "samplerState":
descriptor_type = "sampler"
elif ty["kind"] == "resource" and ty.get("baseShape") == "texture2D":
descriptor_type = "sampled_image_2d"
descriptor_type = "storage_image_2d" if ty.get("access") == "readWrite" else "sampled_image_2d"
elif ty["kind"] == "resource" and ty.get("baseShape") == "structuredBuffer":
descriptor_type = "storage_buffer"
element_stride = next((item["value"] for item in ty["resultType"].get("sizes", []) if item["kind"] == "uniform"), None)
if not isinstance(element_stride, int) or element_stride <= 0:
raise ValueError(f"Structured buffer lacks a valid element stride: {parameter['name']}")
else:
raise ValueError(f"Unsupported descriptor kind: {ty}")
descriptors.append({"name": parameter["name"], "set": binding.get("space", 0), "binding": binding["index"], "type": descriptor_type, "count": count, "used": used.get(parameter["name"], True)})
descriptor = {"name": parameter["name"], "set": binding.get("space", 0), "binding": binding["index"], "type": descriptor_type, "count": count, "used": used.get(parameter["name"], True)}
if element_stride is not None:
descriptor["element_stride"] = element_stride
descriptors.append(descriptor)
else:
raise ValueError(f"Unsupported global shader binding: {binding['kind']}")
inputs, input_builtins = interface(entry.get("parameters", []), "varyingInput")
@@ -130,13 +139,19 @@ def main() -> int:
parser.add_argument("--source", required=True, type=Path)
parser.add_argument("--entry", required=True)
parser.add_argument("--output", required=True, type=Path)
parser.add_argument("--define", action="append", default=[],
help="Slang preprocessor definition, NAME or NAME=VALUE")
args = parser.parse_args()
args.output.mkdir(parents=True, exist_ok=True)
with tempfile.TemporaryDirectory(prefix=".shader-", dir=args.output) as temporary:
directory = Path(temporary)
spirv = directory / f"{args.entry}.spv"
raw = directory / f"{args.entry}.slang-reflection.json"
process = subprocess.run([args.compiler, str(args.source), "-entry", args.entry, "-target", "spirv", "-profile", "spirv_1_6", "-matrix-layout-column-major", "-o", str(spirv), "-reflection-json", str(raw)])
command = [args.compiler, str(args.source), "-entry", args.entry, "-target", "spirv",
"-profile", "spirv_1_6", "-matrix-layout-column-major"]
command += [f"-D{definition}" for definition in args.define]
command += ["-o", str(spirv), "-reflection-json", str(raw)]
process = subprocess.run(command)
if process.returncode:
return process.returncode
normalized = normalize(json.loads(raw.read_text(encoding="utf-8")), spirv.read_bytes(), args.entry)