1 files changed, 19 insertions, 0 deletions
diff --git a/tests/diagnostics/image-format-unsupported-by-backend.slang b/tests/diagnostics/image-format-unsupported-by-backend.slang
new file mode 100644
index 000000000..270c2b63e
--- /dev/null
+++ b/tests/diagnostics/image-format-unsupported-by-backend.slang
@@ -0,0 +1,19 @@
+//DIAGNOSTIC_TEST:SIMPLE(filecheck=CHECK_SPIRV): -target spirv
+//DIAGNOSTIC_TEST:SIMPLE(filecheck=CHECK_GLSL): -target glsl
+//DIAGNOSTIC_TEST:SIMPLE(filecheck=CHECK_WGSL): -target wgsl
+
+// CHECK_SPIRV: warning 31105{{.*}}bgra8
+// CHECK_GLSL: warning 31105{{.*}}bgra8
+[format("bgra8")]
+RWTexture2D<float4> outputTexture;
+
+// CHECK_WGSL: warning 31105{{.*}}rg8
+[format("rg8")]
+RWTexture2D<float4> outputTexture2;
+
+[numthreads(8, 8, 1)]
+void main(uint3 threadID : SV_DispatchThreadID)
+{
+    outputTexture[threadID.xy] = float4(1.0, 1.0, 1.0, 1.0);
+    outputTexture2[threadID.xy] = float4(1.0, 1.0, 1.0, 1.0);
+}