SpirvShaderDebugger: Show vector elements as xyzw

In-memory data visualizations of vector types were using indices for displaying vector elements. For non-memory data, we use .x .y .z .w for vectors <= 4 elements. Mirror this for in-memory data. Bug: b/148401179 Change-Id: Ib2e8e2019ab274dfae2d6e18978f41c721c800a1 Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/45609 Kokoro-Result: kokoro <noreply+kokoro@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com> Tested-by: Ben Clayton <bclayton@google.com>

SpirvShaderDebugger: Show vector elements as xyzw
d68844f4 · Ben Clayton · 3011de5d · d68844f4
Commit d68844f4 authored Jun 09, 2020 by Ben Clayton
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SpirvShaderDebugger.cpp src/Pipeline/SpirvShaderDebugger.cpp +1 -1

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--- a/src/Pipeline/SpirvShaderDebugger.cpp
+++ b/src/Pipeline/SpirvShaderDebugger.cpp
@@ -439,7 +439,7 @@ struct VectorType : ObjectImpl<VectorType, Type, Object::Kind::VectorType>
 		{
 			auto offset = elSize * i * (interleaved ? sw::SIMD::Width : 1);
 			auto elPtr = static_cast<uint8_t *>(ptr) + offset;
-			auto elKey = tostring(i);
+			auto elKey = (components > 4) ? tostring(i) : &"x\0y\0z\0w\0"[i * 2];
 #	if DEBUG_ANNOTATE_VARIABLE_KEYS
 			elKey += " (" + tostring(elPtr) + " +" + tostring(offset) + ")" + (interleaved ? "I" : "F");
 #	endif