Fix support for `std430` layout

Fixes #57

There were a bunch of issues in how `std430` was being implemented, largely due to just stubbing it in without any test cases. This commit adds a reasonably good test case to ensure that we've got things basically working.

1 files changed, 107 insertions, 0 deletions

diff --git a/tests/reflection/std430-layout.glsl.expected b/tests/reflection/std430-layout.glsl.expected
new file mode 100644
index 000000000..701a36909
--- /dev/null
+++ b/tests/reflection/std430-layout.glsl.expected
@@ -0,0 +1,107 @@
+result code = 0
+standard error = {
+}
+standard output = {
+{
+    "parameters": [
+        {
+            "name": "SomeBuffer",
+            "binding": {"kind": "descriptorTableSlot", "index": 0},
+            "type": {
+                "kind": "shaderStorageBuffer",
+                "elementType": {
+                    "kind": "struct",
+                    "fields": [
+                        {
+                            "name": "a",
+                            "type": {
+                                "kind": "scalar",
+                                "scalarType": "float32"
+                            },
+                            "binding": {"kind": "uniform", "offset": 0, "size": 4}
+                        },
+                        {
+                            "name": "b",
+                            "type": {
+                                "kind": "vector",
+                                "elementCount": 3,
+                                "elementType": {
+                                    "kind": "scalar",
+                                    "scalarType": "float32"
+                                }
+                            },
+                            "binding": {"kind": "uniform", "offset": 16, "size": 12}
+                        },
+                        {
+                            "name": "c",
+                            "type": {
+                                "kind": "array",
+                                "elementCount": 4,
+                                "elementType": {
+                                    "kind": "scalar",
+                                    "scalarType": "float32"
+                                },
+                                "uniformStride": 4
+                            },
+                            "binding": {"kind": "uniform", "offset": 28, "size": 16}
+                        },
+                        {
+                            "name": "d",
+                            "type": {
+                                "kind": "vector",
+                                "elementCount": 2,
+                                "elementType": {
+                                    "kind": "scalar",
+                                    "scalarType": "float32"
+                                }
+                            },
+                            "binding": {"kind": "uniform", "offset": 48, "size": 8}
+                        },
+                        {
+                            "name": "e",
+                            "type": {
+                                "kind": "struct",
+                                "fields": [
+                                    {
+                                        "name": "f",
+                                        "type": {
+                                            "kind": "vector",
+                                            "elementCount": 2,
+                                            "elementType": {
+                                                "kind": "scalar",
+                                                "scalarType": "float32"
+                                            }
+                                        },
+                                        "binding": {"kind": "uniform", "offset": 0, "size": 8}
+                                    }
+                                ]
+                            },
+                            "binding": {"kind": "uniform", "offset": 56, "size": 8}
+                        },
+                        {
+                            "name": "g",
+                            "type": {
+                                "kind": "vector",
+                                "elementCount": 3,
+                                "elementType": {
+                                    "kind": "scalar",
+                                    "scalarType": "float32"
+                                }
+                            },
+                            "binding": {"kind": "uniform", "offset": 64, "size": 12}
+                        },
+                        {
+                            "name": "h",
+                            "type": {
+                                "kind": "scalar",
+                                "scalarType": "float32"
+                            },
+                            "binding": {"kind": "uniform", "offset": 76, "size": 4}
+                        }
+                    ]
+                }
+            }
+        }
+    ]
+}
+}