Add caps overrides to GMs

dm/DMSrcSink.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "DMSrcSink.h"
 #include "SamplePipeControllers.h"
 #include "SkCodec.h"
@@ skipping 39 matching lines @@
 SkISize GMSrc::size() const {
     SkAutoTDelete<skiagm::GM> gm(fFactory(NULL));
     return gm->getISize();
 }
 
 Name GMSrc::name() const {
     SkAutoTDelete<skiagm::GM> gm(fFactory(NULL));
     return gm->getName();
 }
 
+void GMSrc::modifyGrContextOptions(GrContextOptions* options) const {
+    SkAutoTDelete<skiagm::GM> gm(fFactory(NULL));
+    gm->modifyGrContextOptions(options);
+}
+
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
 CodecSrc::CodecSrc(Path path, Mode mode, DstColorType dstColorType)
     : fPath(path)
     , fMode(mode)
     , fDstColorType(dstColorType)
 {}
 
 Error CodecSrc::draw(SkCanvas* canvas) const {
     SkImageInfo canvasInfo;
@@ skipping 263 matching lines @@
     , fUseDFText(dfText)
     , fThreaded(threaded) {}
 
 int GPUSink::enclave() const {
     return fThreaded ? kAnyThread_Enclave : kGPU_Enclave;
 }
 
 void PreAbandonGpuContextErrorHandler(SkError, void*) {}
 
 Error GPUSink::draw(const Src& src, SkBitmap* dst, SkWStream*, SkString* log) const {
-    GrContextFactory factory;
+    GrContextOptions options;
+    src.modifyGrContextOptions(&options);
+
+    GrContextFactory factory(options);
     const SkISize size = src.size();
     const SkImageInfo info =
         SkImageInfo::Make(size.width(), size.height(), kN32_SkColorType, kPremul_SkAlphaType);
     SkAutoTUnref<SkSurface> surface(
             NewGpuSurface(&factory, fContextType, fGpuAPI, info, fSampleCount, fUseDFText));
     if (!surface) {
         return "Could not create a surface.";
     }
     if (FLAGS_preAbandonGpuContext) {
         SkSetErrorCallback(&PreAbandonGpuContextErrorHandler, NULL);
@@ skipping 426 matching lines @@
             skr.visit<void>(i, drawsAsSingletonPictures);
         }
         SkAutoTUnref<SkPicture> macroPic(macroRec.endRecordingAsPicture());
 
         canvas->drawPicture(macroPic);
         return "";
     });
 }
 
 }  // namespace DM