switch fiddle examples to call MakeFromTexture with RGBA

R=brianosman@google.com

Docs-Preview: https://skia.org/?cl=133063
Bug: skia:6898
Change-Id: I4fe3c8a2bdf71c851109f01f1b3c121f63421339
NOTRY=true
Reviewed-on: https://skia-review.googlesource.com/133063
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: Cary Clark <caryclark@skia.org>
diff --git a/docs/SkImage_Reference.bmh b/docs/SkImage_Reference.bmh
index a6a623f..ce42a15 100644
--- a/docs/SkImage_Reference.bmh
+++ b/docs/SkImage_Reference.bmh
@@ -399,7 +399,7 @@
 int x = 0;
 for (auto origin : { kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin } ) {
     sk_sp<SkImage> image = SkImage::MakeFromTexture(context, backEndTexture,
-           origin, kN32_SkColorType, kOpaque_SkAlphaType, nullptr);
+           origin, kRGBA_8888_SkColorType, kOpaque_SkAlphaType, nullptr);
     canvas->drawImage(image, x, 0);
 x += 512;
 }
@@ -1270,8 +1270,8 @@
 };
 sk_sp<SkImage> bitmapImage(SkImage::MakeFromBitmap(source));
 sk_sp<SkImage> textureImage(SkImage::MakeFromTexture(canvas->getGrContext(), backEndTexture,
-                            kTopLeft_GrSurfaceOrigin, kN32_SkColorType, kOpaque_SkAlphaType,
-                            nullptr));
+                            kTopLeft_GrSurfaceOrigin, kRGBA_8888_SkColorType,
+                            kOpaque_SkAlphaType, nullptr));
 drawImage(image, "image");
 canvas->translate(image->width(), 0);
 drawImage(bitmapImage, "source");
@@ -1321,8 +1321,8 @@
 };
 sk_sp<SkImage> bitmapImage(SkImage::MakeFromBitmap(source));
 sk_sp<SkImage> textureImage(SkImage::MakeFromTexture(canvas->getGrContext(), backEndTexture,
-                            kTopLeft_GrSurfaceOrigin, kN32_SkColorType, kOpaque_SkAlphaType,
-                            nullptr));
+                            kTopLeft_GrSurfaceOrigin, kRGBA_8888_SkColorType,
+                            kOpaque_SkAlphaType, nullptr));
 drawImage(image, "image");
 canvas->translate(image->width(), 0);
 drawImage(bitmapImage, "source");
@@ -1717,8 +1717,8 @@
         sk_sp<SkImage> image;
     } tests[] = { { "image", image }, { "bitmap", SkImage::MakeFromBitmap(source) },
           { "texture", SkImage::MakeFromTexture(canvas->getGrContext(), backEndTexture,
-                            kTopLeft_GrSurfaceOrigin, kN32_SkColorType, kOpaque_SkAlphaType,
-                            nullptr) } };
+                            kTopLeft_GrSurfaceOrigin, kRGBA_8888_SkColorType,
+                            kOpaque_SkAlphaType, nullptr) } };
     SkString string;
     SkPaint paint;
     for (const auto& test : tests ) {
@@ -1759,8 +1759,8 @@
         sk_sp<SkImage> image;
     } tests[] = { { "image", image }, { "bitmap", SkImage::MakeFromBitmap(source) },
           { "texture", SkImage::MakeFromTexture(canvas->getGrContext(), backEndTexture,
-                            kTopLeft_GrSurfaceOrigin, kN32_SkColorType, kOpaque_SkAlphaType,
-                            nullptr) } };
+                            kTopLeft_GrSurfaceOrigin, kRGBA_8888_SkColorType,
+                            kOpaque_SkAlphaType, nullptr) } };
     SkString string;
     SkPaint paint;
     for (const auto& test : tests ) {
@@ -1841,8 +1841,8 @@
     sk_sp<SkImage> bitmapImage(SkImage::MakeFromBitmap(source));
     GrContext* context = canvas->getGrContext();
     sk_sp<SkImage> textureImage(SkImage::MakeFromTexture(context, backEndTexture,
-                                kTopLeft_GrSurfaceOrigin, kN32_SkColorType, kOpaque_SkAlphaType,
-                                nullptr));
+                                kTopLeft_GrSurfaceOrigin, kRGBA_8888_SkColorType,
+                                kOpaque_SkAlphaType, nullptr));
     drawImage(image, context, "image");
     canvas->translate(image->width(), 0);
     drawImage(bitmapImage, context, "source");
@@ -1883,8 +1883,8 @@
     };
     sk_sp<SkImage> bitmapImage(SkImage::MakeFromBitmap(source));
     sk_sp<SkImage> textureImage(SkImage::MakeFromTexture(canvas->getGrContext(), backEndTexture,
-                                kTopLeft_GrSurfaceOrigin, kN32_SkColorType, kOpaque_SkAlphaType,
-                                nullptr));
+                                kTopLeft_GrSurfaceOrigin, kRGBA_8888_SkColorType,
+                                kOpaque_SkAlphaType, nullptr));
     drawImage(image, "image");
     canvas->translate(image->width(), 0);
     drawImage(bitmapImage, "source");
@@ -1926,8 +1926,8 @@
     };
     sk_sp<SkImage> bitmapImage(SkImage::MakeFromBitmap(source));
     sk_sp<SkImage> textureImage(SkImage::MakeFromTexture(canvas->getGrContext(), backEndTexture,
-                                kTopLeft_GrSurfaceOrigin, kN32_SkColorType, kOpaque_SkAlphaType,
-                                nullptr));
+                                kTopLeft_GrSurfaceOrigin, kRGBA_8888_SkColorType,
+                                kOpaque_SkAlphaType, nullptr));
     drawImage(image, "image");
     canvas->translate(image->width(), 0);
     drawImage(bitmapImage, "source");
@@ -2117,8 +2117,7 @@
 
 #Return true if Bitmap was created ##
 
-#NoExample
-#Bug 8051
+#Example
 #Image 4
 #Platform gpu
     SkBitmap bitImage;
@@ -2130,8 +2129,8 @@
         return;
     }
     sk_sp<SkImage> textureImage(SkImage::MakeFromTexture(grContext, backEndTexture,
-                                kTopLeft_GrSurfaceOrigin, kN32_SkColorType, kOpaque_SkAlphaType,
-                                nullptr));
+                                kTopLeft_GrSurfaceOrigin, kRGBA_8888_SkColorType,
+                                kOpaque_SkAlphaType, nullptr));
     canvas->drawImage(textureImage, 45, 45);
     if (textureImage->asLegacyBitmap(&bitImage, SkImage::kRO_LegacyBitmapMode)) {
         canvas->drawBitmap(bitImage, 90, 90);
@@ -2203,8 +2202,8 @@
     };
     sk_sp<SkImage> bitmapImage(SkImage::MakeFromBitmap(source));
     sk_sp<SkImage> textureImage(SkImage::MakeFromTexture(canvas->getGrContext(), backEndTexture,
-                                kTopLeft_GrSurfaceOrigin, kN32_SkColorType, kOpaque_SkAlphaType,
-                                nullptr));
+                                kTopLeft_GrSurfaceOrigin, kRGBA_8888_SkColorType,
+                                kOpaque_SkAlphaType, nullptr));
     drawImage(image, "image");
     canvas->translate(image->width(), 0);
     drawImage(bitmapImage, "source");