Added --deepColor option to SampleApp, triggers creation of a ten-bit/channel buffer on Windows.

include/gpu/GrContext.h

Index: include/gpu/GrContext.h
diff --git a/include/gpu/GrContext.h b/include/gpu/GrContext.h
index d59b2a28f0c7c98be5029f1cca0ab02f8183d8b9..6e6de38a850a494f247636f0fb264aa6f12d3321 100644
--- a/include/gpu/GrContext.h
+++ b/include/gpu/GrContext.h
@@ -283,6 +283,39 @@ public:
                             uint32_t pixelOpsFlags = 0);
 
     /**
+    * These flags can be used with the color-space converting write pixels function below.
+    */
+    enum ColorSpaceOpsFlags {
+        /** Gamma curve of the destination needs to be done manually. */
+        kManualDstGamma_ColorSpaceOpsFlag = 0x1,
+    };
+
+    /**
+    * Writes a rectangle of pixels to a surface, performing color space conversion.
+    * @param surface       the surface to write to.
+    * @param left          left edge of the rectangle to write (inclusive)
+    * @param top           top edge of the rectangle to write (inclusive)
+    * @param width         width of rectangle to write in pixels.
+    * @param height        height of rectangle to write in pixels.
+    * @param config        the pixel config of the source buffer
+    * @param srcColorSpace color space of the source buffer
+    * @param dstColorSpace color space to conver to
+    * @param buffer        memory to read pixels from
+    * @param rowBytes      number of bytes between consecutive rows. Zero
+    *                      means rows are tightly packed.
+    * @param colorSpaceOpsFlags  see ColorSpaceOpsFlags enum above.
+    * @return true if the write succeeded, false if not. The write can fail because of an
+    *         unsupported combination of surface and src configs.
+    */
+    bool writeSurfacePixelsWithColorSpace(GrSurface* surface,
+                                          int left, int top, int width, int height,
+                                          GrPixelConfig srcConfig,
+                                          const SkColorSpace* srcColorSpace,
+                                          const SkColorSpace* dstColorSpace,
+                                          const void* buffer, size_t rowBytes,
+                                          uint32_t colorSpaceOpsFlags = 0);
+
+    /**
      * Copies a rectangle of texels from src to dst.
      * bounds.
      * @param dst           the surface to copy to.