1 files changed, 8 insertions, 0 deletions
diff --git a/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp b/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp
index db420c8439..eb744a9915 100644
--- a/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp
+++ b/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp
@@ -96,6 +96,14 @@ GrGLSLFragmentShaderBuilder::GrGLSLFragmentShaderBuilder(GrGLSLProgramBuilder* p
 bool GrGLSLFragmentShaderBuilder::enableFeature(GLSLFeature feature) {
     const GrGLSLCaps& glslCaps = *fProgramBuilder->glslCaps();
     switch (feature) {
+        case kStandardDerivatives_GLSLFeature:
+            if (!glslCaps.shaderDerivativeSupport()) {
+                return false;
+            }
+            if (const char* extension = glslCaps.shaderDerivativeExtensionString()) {
+                this->addFeature(1 << kStandardDerivatives_GLSLFeature, extension);
+            }
+            return true;
         case kPixelLocalStorage_GLSLFeature:
             if (glslCaps.pixelLocalStorageSize() <= 0) {
                 return false;