MSL: Always use input_attachment_index for framebuffer fetch binding.

--msl-decoration-binding would end up overriding the input attachment
index to binding which is very unexpected and broken.

1 files changed, 23 insertions, 0 deletions

diff --git a/reference/shaders-msl-no-opt/frag/subpass-input.decoration-binding.ios.framebuffer-fetch.msl2.argument.frag b/reference/shaders-msl-no-opt/frag/subpass-input.decoration-binding.ios.framebuffer-fetch.msl2.argument.frag
new file mode 100644
index 00000000..8c7f67b6
--- /dev/null
+++ b/reference/shaders-msl-no-opt/frag/subpass-input.decoration-binding.ios.framebuffer-fetch.msl2.argument.frag
@@ -0,0 +1,23 @@
+#include <metal_stdlib>
+#include <simd/simd.h>
+
+using namespace metal;
+
+struct spvDescriptorSetBuffer0
+{
+    sampler uSampler [[id(8)]];
+    texture2d<float> uTex [[id(9)]];
+};
+
+struct main0_out
+{
+    float4 FragColor [[color(0)]];
+};
+
+fragment main0_out main0(constant spvDescriptorSetBuffer0& spvDescriptorSet0 [[buffer(0)]], float4 uSub [[color(1)]])
+{
+    main0_out out = {};
+    out.FragColor = uSub + spvDescriptorSet0.uTex.sample(spvDescriptorSet0.uSampler, float2(0.5));
+    return out;
+}
+