skia: add ability to load command_buffer_gles2

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 63 matching lines @@
 #ifdef  PIPE_FILE
 #define FILE_PATH "/path/to/drawing.data"
 #endif
 
 #define PIPE_NETx
 #ifdef  PIPE_NET
 #include "SkSockets.h"
 SkTCPServer gServer;
 #endif
 
-#if SK_ANGLE
+#if SK_COMMAND_BUFFER
+#define DEFAULT_TO_COMMAND_BUFFER 1
+#elif SK_ANGLE
 //#define DEFAULT_TO_ANGLE 1
 #else
 #define DEFAULT_TO_GPU 0 // if 1 default rendering is on GPU
 #endif
 
 #define ANIMATING_EVENTTYPE "nextSample"
 #define ANIMATING_DELAY     250
 
 #ifdef SK_DEBUG
     #define FPS_REPEAT_MULTIPLIER   1
@@ skipping 95 matching lines @@
             case kGPU_DeviceType:
                 // 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:
+                // Command buffer is really the only other odd man out :D
+                fBackend = kCommandBuffer_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 kPicture_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:
+                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.
         fCurIntf = GrGLInterfaceRemoveNVPR(glInterface.get());
 
         SkASSERT(nullptr == fCurContext);
@@ skipping 427 matching lines @@
 }
 
 static inline SampleWindow::DeviceType cycle_devicetype(SampleWindow::DeviceType ct) {
     static const SampleWindow::DeviceType gCT[] = {
         SampleWindow::kPicture_DeviceType,
 #if SK_SUPPORT_GPU
         SampleWindow::kGPU_DeviceType,
 #if SK_ANGLE
         SampleWindow::kANGLE_DeviceType,
 #endif // SK_ANGLE
+#if SK_COMMAND_BUFFER
+        SampleWindow::kCommandBuffer_DeviceType,
+#endif // SK_COMMAND_BUFFER
 #endif // SK_SUPPORT_GPU
         SampleWindow::kRaster_DeviceType,
     };
     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 100 matching lines @@
 #endif
 
     fDeviceType = kRaster_DeviceType;
 
 #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;
+#endif
 
     fUseClip = false;
     fAnimating = false;
     fRotate = false;
     fPerspAnim = false;
     fRequestGrabImage = false;
     fPipeState = SkOSMenu::kOffState;
     fTilingMode = kNo_Tiling;
     fMeasureFPS = false;
     fLCDState = SkOSMenu::kMixedState;
@@ skipping 20 matching lines @@
     int sinkID = this->getSinkID();
     fAppMenu = new SkOSMenu;
     fAppMenu->setTitle("Global Settings");
     int itemID;
 
     itemID =fAppMenu->appendList("Device Type", "Device Type", sinkID, 0,
                                 "Raster", "Picture", "OpenGL",
 #if SK_ANGLE
                                 "ANGLE",
 #endif
+#if SK_COMMAND_BUFFER
+                                "Command Buffer",
+#endif
                                 nullptr);
     fAppMenu->assignKeyEquivalentToItem(itemID, 'd');
     itemID = fAppMenu->appendTriState("AA", "AA", sinkID, fAAState);
     fAppMenu->assignKeyEquivalentToItem(itemID, 'b');
     itemID = fAppMenu->appendTriState("LCD", "LCD", sinkID, fLCDState);
     fAppMenu->assignKeyEquivalentToItem(itemID, 'l');
     itemID = fAppMenu->appendList("FilterQuality", "FilterQuality", sinkID, fFilterQualityIndex,
                                   gFilterQualityStates[0].fName,
                                   gFilterQualityStates[1].fName,
                                   gFilterQualityStates[2].fName,
@@ skipping 1089 matching lines @@
 }
 
 static const char* gDeviceTypePrefix[] = {
     "raster: ",
     "picture: ",
 #if SK_SUPPORT_GPU
     "opengl: ",
 #if SK_ANGLE
     "angle: ",
 #endif // SK_ANGLE
+#if SK_COMMAND_BUFFER
+    "command buffer: ",
+#endif // SK_COMMAND_BUFFER
 #endif // SK_SUPPORT_GPU
 };
 static_assert(SK_ARRAY_COUNT(gDeviceTypePrefix) == SampleWindow::kDeviceTypeCnt,
               "array_size_mismatch");
 
 static const char* trystate_str(SkOSMenu::TriState state,
                                 const char trueStr[], const char falseStr[]) {
     if (SkOSMenu::kOnState == state) {
         return trueStr;
     } else if (SkOSMenu::kOffState == state) {
@@ skipping 415 matching lines @@
     setenv("ANDROID_ROOT", "/android/device/data", 0);
 #endif
     SkGraphics::Init();
     SkEvent::Init();
 }
 
 void application_term() {
     SkEvent::Term();
     SkGraphics::Term();
 }