diff options
Diffstat (limited to 'src/effects/SkAlphaThresholdFilter.cpp')
| -rw-r--r-- | src/effects/SkAlphaThresholdFilter.cpp | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/src/effects/SkAlphaThresholdFilter.cpp b/src/effects/SkAlphaThresholdFilter.cpp index cec45ba911..bfbcfd21f8 100644 --- a/src/effects/SkAlphaThresholdFilter.cpp +++ b/src/effects/SkAlphaThresholdFilter.cpp @@ -95,16 +95,24 @@ SkAlphaThresholdFilterImpl::SkAlphaThresholdFilterImpl(const SkRegion& region, sk_sp<GrTexture> SkAlphaThresholdFilterImpl::createMaskTexture(GrContext* context, const SkMatrix& inMatrix, const SkIRect& bounds) const { - GrPixelConfig config; + GrSurfaceDesc maskDesc; if (context->caps()->isConfigRenderable(kAlpha_8_GrPixelConfig, false)) { - config = kAlpha_8_GrPixelConfig; + maskDesc.fConfig = kAlpha_8_GrPixelConfig; } else { - config = kRGBA_8888_GrPixelConfig; + maskDesc.fConfig = kRGBA_8888_GrPixelConfig; + } + maskDesc.fFlags = kRenderTarget_GrSurfaceFlag; + // Add one pixel of border to ensure that clamp mode will be all zeros + // the outside. + maskDesc.fWidth = bounds.width(); + maskDesc.fHeight = bounds.height(); + sk_sp<GrTexture> maskTexture(context->textureProvider()->createApproxTexture(maskDesc)); + if (!maskTexture) { + return nullptr; } - sk_sp<GrDrawContext> drawContext(context->newDrawContext(GrContext::kLoose_BackingFit, - bounds.width(), bounds.height(), - config)); + sk_sp<GrDrawContext> drawContext( + context->drawContext(sk_ref_sp(maskTexture->asRenderTarget()))); if (!drawContext) { return nullptr; } @@ -121,7 +129,7 @@ sk_sp<GrTexture> SkAlphaThresholdFilterImpl::createMaskTexture(GrContext* contex iter.next(); } - return drawContext->asTexture(); + return maskTexture; } #endif |