Revert "Move SkGpuDevice.h to src/gpu"

experimental/PdfViewer/pdf_viewer_main.cpp

Index: experimental/PdfViewer/pdf_viewer_main.cpp
diff --git a/experimental/PdfViewer/pdf_viewer_main.cpp b/experimental/PdfViewer/pdf_viewer_main.cpp
index f5bfdbbd7e35eeef353dcc9702eb0df455f9f208..fab3dc01dfd1928e29b1d989a2091747a0e0e2f0 100644
--- a/experimental/PdfViewer/pdf_viewer_main.cpp
+++ b/experimental/PdfViewer/pdf_viewer_main.cpp
@@ -21,6 +21,12 @@
 #include "SkTArray.h"
 #include "SkNulCanvas.h"
 
+#if SK_SUPPORT_GPU
+#include "GrContextFactory.h"
+#include "GrContext.h"
+#include "SkGpuDevice.h"
+#endif
+
 DEFINE_string2(readPath, r, "", "pdf files or directories of pdf files to process.");
 DEFINE_string2(writePath, w, "", "Directory to write the rendered pages.");
 DEFINE_bool2(noExtensionForOnePagePdf, n, false, "No page extension if only one page.");
@@ -36,10 +42,18 @@ DEFINE_double(DPI, 72, "DPI to be used for rendering (scale).");
 DEFINE_int32(benchLoad, 0, "Load the pdf file minimally N times, without any rendering and \n"
              "\tminimal parsing to ensure correctness. Default 0 (disabled).");
 DEFINE_int32(benchRender, 0, "Render the pdf content N times. Default 0 (disabled)");
+#if SK_SUPPORT_GPU
 DEFINE_string2(config, c, "8888", "Canvas to render:\n"
                                   "\t8888 - argb\n"
+                                  "\tgpu: use the gpu\n"
                                   "\tnul - render in null canvas, any draw will just return.\n"
                );
+#else
+DEFINE_string2(config, c, "8888", "Canvas to render:\n"
+                                  "\t8888 - argb\n"
+                                  "\tnul - render in null canvas, any draw will just return.\n"
+               );
+#endif
 DEFINE_bool2(transparentBackground, t, false, "Make background transparent instead of white.");
 
 /**
@@ -112,6 +126,10 @@ extern "C" SkBitmap* gDumpBitmap;
 extern "C" SkCanvas* gDumpCanvas;
 #endif
 
+#if SK_SUPPORT_GPU
+GrContextFactory gContextFactory;
+#endif
+
 static bool render_page(const SkString& outputDir,
                         const SkString& inputFilename,
                         const SkPdfRenderer& renderer,
@@ -146,7 +164,31 @@ static bool render_page(const SkString& outputDir,
         SkAutoTUnref<SkBaseDevice> device;
         if (strcmp(FLAGS_config[0], "8888") == 0) {
             device.reset(SkNEW_ARGS(SkBitmapDevice, (bitmap)));
-        } else {
+        }
+#if SK_SUPPORT_GPU
+        else if (strcmp(FLAGS_config[0], "gpu") == 0) {
+            SkAutoTUnref<GrSurface> target;
+            GrContext* gr = gContextFactory.get(GrContextFactory::kNative_GLContextType,
+                                                kNone_GrGLStandard);
+            if (gr) {
+                // create a render target to back the device
+                GrTextureDesc desc;
+                desc.fConfig = kSkia8888_GrPixelConfig;
+                desc.fFlags = kRenderTarget_GrTextureFlagBit;
+                desc.fWidth = SkScalarCeilToInt(width);
+                desc.fHeight = SkScalarCeilToInt(height);
+                desc.fSampleCnt = 0;
+                target.reset(gr->createUncachedTexture(desc, NULL, 0));
+            }
+            if (NULL == target.get()) {
+                SkASSERT(0);
+                return false;
+            }
+
+            device.reset(SkGpuDevice::Create(target));
+        }
+#endif
+        else {
             SkDebugf("unknown --config: %s\n", FLAGS_config[0]);
             return false;
         }