New read pixels implementation that is simpler but does all conversions on CPU.

Change-Id: Ia548cd24a8544b35a233311706faf48de353b7cf
Reviewed-on: https://skia-review.googlesource.com/109902
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/gpu/GrGpu.h b/src/gpu/GrGpu.h
index 16561418aa..95c5117799 100644
--- a/src/gpu/GrGpu.h
+++ b/src/gpu/GrGpu.h
@@ -272,6 +272,15 @@ public:
      */
     bool readPixels(GrSurface* surface, GrSurfaceOrigin, int left, int top, int width, int height,
                     GrColorType dstColorType, void* buffer, size_t rowBytes);
+    /**
+     * This version of readPixels doesn't take an origin. TODO: Remove origin handling from
+     * GrGpu::readPixels entirely.
+     */
+    bool readPixels(GrSurface* surface, int left, int top, int width, int height,
+                    GrColorType dstColorType, void* buffer, size_t rowBytes) {
+        return this->readPixels(surface, kTopLeft_GrSurfaceOrigin, left, top, width, height,
+                                dstColorType, buffer, rowBytes);
+    }
 
     /**
      * Updates the pixels in a rectangle of a surface.  No sRGB/linear conversions are performed.