gpu impl for compose and combine maskfilters

remove "warning" in GrProcessorSet about coverage-as-alpha (we think the current behavior is correct)

update gpudevice::drawImage to check for maskfilter before trying to create its mask

Bug: skia:
Change-Id: I9ecb6cd25dd003bc19fa1e33edf6614a5ba4acb7
Reviewed-on: https://skia-review.googlesource.com/103761
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gpu/SkGpuDevice_drawTexture.cpp b/src/gpu/SkGpuDevice_drawTexture.cpp
index 0798f1e012..b6b1e619c0 100644
--- a/src/gpu/SkGpuDevice_drawTexture.cpp
+++ b/src/gpu/SkGpuDevice_drawTexture.cpp
@@ -248,6 +248,9 @@ void SkGpuDevice::drawTextureProducerImpl(GrTextureProducer* producer,
     // FP. In the future this should be an opaque optimization enabled by the combination of
     // GrDrawOp/GP and FP.
     const SkMaskFilter* mf = paint.getMaskFilter();
+    if (mf && as_MFB(mf)->hasFragmentProcessor()) {
+        mf = nullptr;
+    }
     // The shader expects proper local coords, so we can't replace local coords with texture coords
     // if the shader will be used. If we have a mask filter we will change the underlying geometry
     // that is rendered.