commit beedb81a7fa9bd1274d64b2c000ef6ee23c9a810
author reed <reed@google.com> Tue May 05 12:14:45 2015 -0700
committer Commit bot <commit-bot@chromium.org> Tue May 05 12:14:45 2015 -0700
tree 16d21bda30238d41d6e3cf408b9383e71d4cc0ac
parent af242958a5daced0956d7bb3277716b8f0aeaf4b

add DeferredCanvas mode to SampleApp

BUG=skia:

Review URL: https://codereview.chromium.org/1129603002

samplecode/SampleApp.cpp

diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index 9b5a972..82d42fd 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -15,6 +15,7 @@
 #include "SkCanvas.h"
 #include "SkCommandLineFlags.h"
 #include "SkData.h"
+#include "SkDeferredCanvas.h"
 #include "SkDevice.h"
 #include "SkDocument.h"
 #include "SkGPipe.h"
@@ -181,10 +182,9 @@
 
 #if SK_SUPPORT_GPU
         switch (win->getDeviceType()) {
-            case kRaster_DeviceType:
-                // fallthrough
-            case kPicture_DeviceType:
-                // fallthrough
+            case kRaster_DeviceType:    // fallthrough
+            case kPicture_DeviceType:    // fallthrough
+            case kDeferred_DeviceType:    // fallthrough
             case kGPU_DeviceType:
                 // all these guys use the native backend
                 fBackend = kNativeGL_BackEndType;
@@ -210,10 +210,9 @@
         SkASSERT(NULL == fCurIntf);
         SkAutoTUnref<const GrGLInterface> glInterface;
         switch (win->getDeviceType()) {
-            case kRaster_DeviceType:
-                // fallthrough
-            case kPicture_DeviceType:
-                // fallthrough
+            case kRaster_DeviceType:    // fallthrough
+            case kPicture_DeviceType:   // fallthrough
+            case kDeferred_DeviceType:  // fallthrough
             case kGPU_DeviceType:
                 // all these guys use the native interface
                 glInterface.reset(GrGLCreateNativeInterface());
@@ -673,7 +672,8 @@
         SampleWindow::kANGLE_DeviceType,
 #endif // SK_ANGLE
 #endif // SK_SUPPORT_GPU
-        SampleWindow::kRaster_DeviceType
+        SampleWindow::kDeferred_DeviceType,
+        SampleWindow::kRaster_DeviceType,
     };
     SK_COMPILE_ASSERT(SK_ARRAY_COUNT(gCT) == SampleWindow::kDeviceTypeCnt, array_size_mismatch);
     return gCT[ct];
@@ -829,7 +829,7 @@
     int itemID;
 
     itemID =fAppMenu->appendList("Device Type", "Device Type", sinkID, 0,
-                                "Raster", "Picture", "OpenGL",
+                                "Raster", "Picture", "OpenGL", "Deferred",
 #if SK_ANGLE
                                 "ANGLE",
 #endif
@@ -1196,6 +1196,12 @@
         canvas = fPDFDocument->beginPage(this->width(), this->height());
     } else if (kPicture_DeviceType == fDeviceType) {
         canvas = fRecorder.beginRecording(9999, 9999, NULL, 0);
+    } else if (kDeferred_DeviceType == fDeviceType) {
+        fDeferredSurface.reset(canvas->newSurface(canvas->imageInfo()));
+        if (fDeferredSurface.get()) {
+            fDeferredCanvas.reset(SkDeferredCanvas::Create(fDeferredSurface));
+            canvas = fDeferredCanvas;
+        }
     } else {
         canvas = this->INHERITED::beforeChildren(canvas);
     }
@@ -1284,6 +1290,13 @@
         } else {
             picture->playback(orig);
         }
+    } else if (kDeferred_DeviceType == fDeviceType) {
+        SkAutoTUnref<SkImage> image(fDeferredCanvas->newImageSnapshot());
+        if (image) {
+            orig->drawImage(image, 0, 0, NULL);
+        }
+        fDeferredCanvas.reset(NULL);
+        fDeferredSurface.reset(NULL);
     }
 
     // Do this after presentGL and other finishing, rather than in afterChild
@@ -1858,6 +1871,7 @@
     "angle: ",
 #endif // SK_ANGLE
 #endif // SK_SUPPORT_GPU
+    "deferred: ",
 };
 SK_COMPILE_ASSERT(SK_ARRAY_COUNT(gDeviceTypePrefix) == SampleWindow::kDeviceTypeCnt,
                   array_size_mismatch);