Improve reporting of GLSL `image*` types

- Update stdlib so taht `image*` types have read-write access encoded in their type
  - TODO:  this isn't 100% right, since there are GLSL qualifiers that might override this

- Add a test case to verify  that the reflection API reports `image*` parameters

2 files changed, 37 insertions, 0 deletions

diff --git a/tests/reflection/image-types.glsl b/tests/reflection/image-types.glsl
new file mode 100644
index 000000000..21cd2b629
--- /dev/null
+++ b/tests/reflection/image-types.glsl
@@ -0,0 +1,10 @@
+//TEST(smoke):SIMPLE:-profile ps_4_0 -target reflection-json
+
+// Confirm that we expose GLSL `image` types through reflection
+
+uniform imageBuffer iBuffer;
+
+uniform image2D i2D;
+
+void main()
+{}
diff --git a/tests/reflection/image-types.glsl.expected b/tests/reflection/image-types.glsl.expected
new file mode 100644
index 000000000..19d28f329
--- /dev/null
+++ b/tests/reflection/image-types.glsl.expected
@@ -0,0 +1,27 @@
+result code = 0
+standard error = {
+}
+standard output = {
+{
+    "parameters": [
+        {
+            "name": "iBuffer",
+            "binding": {"kind": "descriptorTableSlot", "index": 0},
+            "type": {
+                "kind": "resource",
+                "baseShape": "textureBuffer",
+                "access": "readWrite"
+            }
+        },
+        {
+            "name": "i2D",
+            "binding": {"kind": "descriptorTableSlot", "index": 1},
+            "type": {
+                "kind": "resource",
+                "baseShape": "texture2D",
+                "access": "readWrite"
+            }
+        }
+    ]
+}
+}