Implement support for using GL ES 3.0 with command buffer

samplecode/SampleApp.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SampleApp.h"
 
 #include "OverView.h"
@@ skipping 188 matching lines @@
                 // all these guys use the native backend
                 fBackend = kNativeGL_BackEndType;
                 break;
 #if SK_ANGLE
             case kANGLE_DeviceType:
                 // ANGLE is really the only odd man out
                 fBackend = kANGLE_BackEndType;
                 break;
 #endif // SK_ANGLE
 #if SK_COMMAND_BUFFER
-            case kCommandBuffer_DeviceType:
+            case kCommandBufferES2_DeviceType:
                 // Command buffer is really the only other odd man out :D
-                fBackend = kCommandBuffer_BackEndType;
+                fBackend = kCommandBufferES2_BackEndType;
                 break;
 #endif // SK_COMMAND_BUFFER
             default:
                 SkASSERT(false);
                 break;
         }
         AttachmentInfo attachmentInfo;
         bool result = win->attach(fBackend, msaaSampleCount, &attachmentInfo);
         if (!result) {
             SkDebugf("Failed to initialize GL");
             return;
         }
         fMSAASampleCount = msaaSampleCount;
 
         SkASSERT(nullptr == fCurIntf);
         SkAutoTUnref<const GrGLInterface> glInterface;
         switch (win->getDeviceType()) {
             case kRaster_DeviceType:    // fallthrough
             case kGPU_DeviceType:
                 // all these guys use the native interface
                 glInterface.reset(GrGLCreateNativeInterface());
                 break;
 #if SK_ANGLE
             case kANGLE_DeviceType:
                 glInterface.reset(GrGLCreateANGLEInterface());
                 break;
 #endif // SK_ANGLE
 #if SK_COMMAND_BUFFER
-            case kCommandBuffer_DeviceType:
+            case kCommandBufferES2_DeviceType:
                 glInterface.reset(GrGLCreateCommandBufferInterface());
                 break;
 #endif // SK_COMMAND_BUFFER
             default:
                 SkASSERT(false);
                 break;
         }
 
         // Currently SampleApp does not use NVPR. TODO: Provide an NVPR device type that is skipped
         // when the driver doesn't support NVPR.
@@ skipping 434 matching lines @@
 
 static inline SampleWindow::DeviceType cycle_devicetype(SampleWindow::DeviceType ct) {
     static const SampleWindow::DeviceType gCT[] = {
         SampleWindow::kRaster_DeviceType
 #if SK_SUPPORT_GPU
         , SampleWindow::kGPU_DeviceType
 #if SK_ANGLE
         , SampleWindow::kANGLE_DeviceType
 #endif // SK_ANGLE
 #if SK_COMMAND_BUFFER
-        , SampleWindow::kCommandBuffer_DeviceType
+        , SampleWindow::kCommandBufferES2_DeviceType
 #endif // SK_COMMAND_BUFFER
 #endif // SK_SUPPORT_GPU
     };
     static_assert(SK_ARRAY_COUNT(gCT) == SampleWindow::kDeviceTypeCnt, "array_size_mismatch");
     return gCT[ct];
 }
 
 static SkString getSampleTitle(const SkViewFactory* sampleFactory) {
     SkView* view = (*sampleFactory)();
     SkString title;
@@ skipping 146 matching lines @@
     }
 #endif
         
 #if DEFAULT_TO_GPU
     fDeviceType = kGPU_DeviceType;
 #endif
 #if SK_ANGLE && DEFAULT_TO_ANGLE
     fDeviceType = kANGLE_DeviceType;
 #endif
 #if SK_COMMAND_BUFFER && DEFAULT_TO_COMMAND_BUFFER
-    fDeviceType = kCommandBuffer_DeviceType;
+    fDeviceType = kCommandBufferES2_DeviceType;
 #endif
 
     fUseClip = false;
     fUsePicture = false;
     fAnimating = false;
     fRotate = false;
     fPerspAnim = false;
     fRequestGrabImage = false;
     fTilingMode = kNo_Tiling;
     fMeasureFPS = false;
@@ skipping 1430 matching lines @@
 #ifdef SK_BUILD_FOR_MAC
     setenv("ANDROID_ROOT", "/android/device/data", 0);
 #endif
     SkGraphics::Init();
     SkEvent::Init();
 }
 
 void application_term() {
     SkEvent::Term();
 }