Add a function to convert a texture backed SkImage to raster.
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2147493004
Review-Url: https://codereview.chromium.org/2147493004
diff --git a/src/image/SkImage_Gpu.cpp b/src/image/SkImage_Gpu.cpp
index 7ce6450..21ef52e 100644
--- a/src/image/SkImage_Gpu.cpp
+++ b/src/image/SkImage_Gpu.cpp
@@ -332,6 +332,31 @@
return create_image_from_maker(&maker, at, this->uniqueID());
}
+sk_sp<SkImage> SkImage::makeNonTextureImage() const {
+ GrTexture* texture = as_IB(this)->peekTexture();
+ if (!texture) {
+ return sk_ref_sp(const_cast<SkImage*>(this));
+ }
+ SkColorType ct;
+ sk_sp<SkColorSpace> cs;
+ if (!GrPixelConfigToColorAndColorSpace(texture->config(), &ct, &cs)) {
+ return nullptr;
+ }
+ SkAlphaType at = this->isOpaque() ? kOpaque_SkAlphaType : kPremul_SkAlphaType;
+ auto info = SkImageInfo::Make(this->width(), this->height(), ct, at, cs);
+ size_t rowBytes = info.minRowBytes();
+ size_t size = info.getSafeSize(rowBytes);
+ auto data = SkData::MakeUninitialized(size);
+ if (!data) {
+ return nullptr;
+ }
+ SkPixmap pm(info, data->writable_data(), rowBytes);
+ if (!this->readPixels(pm, 0, 0, kDisallow_CachingHint)) {
+ return nullptr;
+ }
+ return MakeRasterData(info, data, rowBytes);
+}
+
sk_sp<SkImage> SkImage::MakeTextureFromPixmap(GrContext* ctx, const SkPixmap& pixmap,
SkBudgeted budgeted) {
if (!ctx) {