Add new SkSourceGammaTreatment enum, used in situations like mipmap construction, where we need to know if we should respect (vs. ignore) the gamma encoding of sRGB tagged images. Plumb that extensively.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2037413002

Review-Url: https://codereview.chromium.org/2037413002

1 files changed, 6 insertions, 3 deletions

diff --git a/src/image/SkImage_Gpu.cpp b/src/image/SkImage_Gpu.cpp
index a728c3dae5..0c4769fa95 100644
--- a/src/image/SkImage_Gpu.cpp
+++ b/src/image/SkImage_Gpu.cpp
@@ -77,8 +77,10 @@ bool SkImage_Gpu::asBitmapForImageFilters(SkBitmap* bitmap) const {
     return true;
 }
 
-GrTexture* SkImage_Gpu::asTextureRef(GrContext* ctx, const GrTextureParams& params) const {
-    return GrImageTextureAdjuster(as_IB(this)).refTextureSafeForParams(params, nullptr);
+GrTexture* SkImage_Gpu::asTextureRef(GrContext* ctx, const GrTextureParams& params,
+                                     SkSourceGammaTreatment gammaTreatment) const {
+    return GrImageTextureAdjuster(as_IB(this)).refTextureSafeForParams(params, gammaTreatment,
+                                                                       nullptr);
 }
 
 bool SkImage_Gpu::isOpaque() const {
@@ -277,7 +279,8 @@ sk_sp<SkImage> SkImage::MakeFromYUVTexturesCopy(GrContext* ctx , SkYUVColorSpace
 }
 
 static sk_sp<SkImage> create_image_from_maker(GrTextureMaker* maker, SkAlphaType at, uint32_t id) {
-    SkAutoTUnref<GrTexture> texture(maker->refTextureForParams(GrTextureParams::ClampNoFilter()));
+    SkAutoTUnref<GrTexture> texture(maker->refTextureForParams(GrTextureParams::ClampNoFilter(),
+                                                               SkSourceGammaTreatment::kRespect));
     if (!texture) {
         return nullptr;
     }