commit dc09213b17cfd100e1c1859387b47e3045a36010
author Brian Salomon <bsalomon@google.com> Wed Apr 04 10:14:16 2018 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Wed Apr 04 14:45:58 2018 +0000
tree 6c28b3ef6105c7755e72196a9df8a767d0c39470
parent d838765478b3cebfa9822eb4eeaabfa5733dfb45

Revert "Revert "Make SkSL GLSL generator declare sk_FragColor inout when EXT fb fetch is used.""

This reverts commit d40133092ae138b3d47a1158101faec3c53c6b1f.

Bug: skia:
Change-Id: I236505da047d5ad29e4952d8955eb7aa1bfb870b
Reviewed-on: https://skia-review.googlesource.com/118621
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp

diff --git a/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp b/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp
index 8ad3a05..9afd470 100644
--- a/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp
+++ b/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp
@@ -170,6 +170,11 @@
     return fHasCustomColorOutput ? DeclaredColorOutputName() : "sk_FragColor";
 }
 
+bool GrGLSLFragmentShaderBuilder::primaryColorOutputIsInOut() const {
+    return fHasCustomColorOutput &&
+           fOutputs[fCustomColorOutputIndex].getTypeModifier() == GrShaderVar::kInOut_TypeModifier;
+}
+
 void GrGLSLFragmentBuilder::declAppendf(const char* fmt, ...) {
     va_list argp;
     va_start(argp, fmt);