Fix SPIRV emit for small-integer texture types. (#4753)

* Fix SPIRV emit for small-integer texture types.

* Disable -emit-spirv-via-glsl test.

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/spirv/small-int-texture.slang b/tests/spirv/small-int-texture.slang
new file mode 100644
index 000000000..b20ae35fe
--- /dev/null
+++ b/tests/spirv/small-int-texture.slang
@@ -0,0 +1,17 @@
+// Test that we can translate textures whose element type is a small integer type to valid spirv.
+
+//TEST(compute, vulkan):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK):-vk -compute -output-using-type -emit-spirv-directly
+
+//TEST_INPUT: RWTexture2D(format=R8_UINT, size=4, content = one, mipMaps = 1):name g_Image
+RWTexture2D<uint8_t> g_Image;
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<int> outputBuffer;
+
+[numthreads(1, 1, 1)]
+void computeMain(int id: SV_DispatchThreadID) {
+    g_Image[id] = uint8_t(23);
+    AllMemoryBarrier();
+    // CHECK: 23
+    outputBuffer[0] = g_Image[id];
+}
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