Disabled YUV decoding for subsets
Image subsets were always showing the same tile and were causing an image to be fully YUV decoded once per tile, which was both slow and wrong.
BUG=413001, 419718
Review URL: https://codereview.chromium.org/661483002
diff --git a/src/gpu/SkGr.cpp b/src/gpu/SkGr.cpp
index fdd4a79..e7d4ea1 100644
--- a/src/gpu/SkGr.cpp
+++ b/src/gpu/SkGr.cpp
@@ -220,6 +220,12 @@
static GrTexture *load_yuv_texture(GrContext* ctx, bool cache, const GrTextureParams* params,
const SkBitmap& bm, const GrTextureDesc& desc) {
+ // Subsets are not supported, the whole pixelRef is loaded when using YUV decoding
+ if ((bm.pixelRef()->info().width() != bm.info().width()) ||
+ (bm.pixelRef()->info().height() != bm.info().height())) {
+ return NULL;
+ }
+
SkPixelRef* pixelRef = bm.pixelRef();
SkISize yuvSizes[3];
if ((NULL == pixelRef) || !pixelRef->getYUV8Planes(yuvSizes, NULL, NULL, NULL)) {