Avoid creating MIPs until necessary when MIP bias is active

With sharpened mips, the scale at which we begin to sample level 1 is
(obviously) less than 1. This change avoids creation of mips for images
that are only slightly downscaled (and for which we wouldn't have sampled
those MIPs anyway).

Change-Id: If8ffc79c2ce2ff1f3aae7f5732d8a50aca0e26be
Reviewed-on: https://skia-review.googlesource.com/107801
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/gpu/SkGpuDevice_drawTexture.cpp b/src/gpu/SkGpuDevice_drawTexture.cpp
index b6b1e619c0..c91d7a4569 100644
--- a/src/gpu/SkGpuDevice_drawTexture.cpp
+++ b/src/gpu/SkGpuDevice_drawTexture.cpp
@@ -258,7 +258,8 @@ void SkGpuDevice::drawTextureProducerImpl(GrTextureProducer* producer,
 
     bool doBicubic;
     GrSamplerState::Filter fm = GrSkFilterQualityToGrFilterMode(
-            paint.getFilterQuality(), viewMatrix, srcToDstMatrix, &doBicubic);
+            paint.getFilterQuality(), viewMatrix, srcToDstMatrix,
+            fContext->contextPriv().sharpenMipmappedTextures(), &doBicubic);
     const GrSamplerState::Filter* filterMode = doBicubic ? nullptr : &fm;
 
     GrTextureProducer::FilterConstraint constraintMode;