adding preabandon flag to DM

BUG=skia:

Review URL: https://codereview.chromium.org/929243004

3 files changed, 9 insertions, 0 deletions

diff --git a/src/effects/SkBlurImageFilter.cpp b/src/effects/SkBlurImageFilter.cpp
index 32609b8b79..4dcc05e904 100644
--- a/src/effects/SkBlurImageFilter.cpp
+++ b/src/effects/SkBlurImageFilter.cpp
@@ -280,6 +280,9 @@ bool SkBlurImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const
                                                              true,
                                                              sigma.x(),
                                                              sigma.y()));
+    if (!tex) {
+        return false;
+    }
     WrapTexture(tex, rect.width(), rect.height(), result);
     return true;
 #else
diff --git a/src/effects/SkBlurMaskFilter.cpp b/src/effects/SkBlurMaskFilter.cpp
index d7c874cfda..491f5983d8 100644
--- a/src/effects/SkBlurMaskFilter.cpp
+++ b/src/effects/SkBlurMaskFilter.cpp
@@ -965,6 +965,9 @@ GrFragmentProcessor* GrRRectBlurEffect::Create(GrContext* context, float sigma,
         texDesc.fConfig = kAlpha_8_GrPixelConfig;
 
         blurNinePatchTexture = context->createTexture(texDesc, true, blurred_mask.fImage, 0);
+        if (!blurNinePatchTexture) {
+            return NULL;
+        }
         context->addResourceToCache(key, blurNinePatchTexture);
 
         SkMask::FreeImage(blurred_mask.fImage);
diff --git a/src/effects/gradients/SkGradientShader.cpp b/src/effects/gradients/SkGradientShader.cpp
index d2b8bc30f8..0f6599dc9a 100644
--- a/src/effects/gradients/SkGradientShader.cpp
+++ b/src/effects/gradients/SkGradientShader.cpp
@@ -1130,6 +1130,9 @@ GrGradientEffect::GrGradientEffect(GrContext* ctx,
             fTextureAccess.reset(fAtlas->getTexture(), params);
         } else {
             SkAutoTUnref<GrTexture> texture(GrRefCachedBitmapTexture(ctx, bitmap, &params));
+            if (!texture) {
+                return;
+            }
             fCoordTransform.reset(kCoordSet, matrix, texture, params.filterMode());
             fTextureAccess.reset(texture, params);
             fYCoord = SK_ScalarHalf;