Fix broken optimization of alpha VK_BLEND_OP_REVERSE_SUBTRACT

Test: dEQP-VK.pipeline.blend.* Bug: b/118386749 Change-Id: I382b6101980171fec6b7fad4d2a126b702526f8b Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/30551 Presubmit-Ready: Chris Forbes <chrisforbes@google.com> Tested-by: Chris Forbes <chrisforbes@google.com> Reviewed-by: Nicolas Capens <nicolascapens@google.com> Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>

Fix broken optimization of alpha VK_BLEND_OP_REVERSE_SUBTRACT
0e14a2e3 · Chris Forbes · 351be42e · 0e14a2e3
Commit 0e14a2e3 authored May 03, 2019 by Chris Forbes
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Context.cpp src/Device/Context.cpp +1 -1

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--- a/src/Device/Context.cpp
+++ b/src/Device/Context.cpp
@@ -590,7 +590,7 @@ namespace sw
 					}
 					else
 					{
-						return VK_BLEND_OP_ZERO_EXT;
+						return VK_BLEND_OP_REVERSE_SUBTRACT;
 					}
 				}
 			case VK_BLEND_OP_MIN: