skia2/docs/examples/Surface_MakeFromBackendTexture.cpp
Robert Phillips d1ce4cb2be Update some of the dox code to GrDirectContext
If we're to remove GrContext all uses must go!

Change-Id: I487a973004c4f080fc5802128770b417d54628e2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/301981
Reviewed-by: Adlai Holler <adlai@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
2020-07-13 13:57:12 +00:00

35 lines
1.5 KiB
C++

// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
// HASH=d3aec071998f871809f515e58abb1b0e
REG_FIDDLE(Surface_MakeFromBackendTexture, 256, 256, false, 3) {
void draw(SkCanvas* canvas) {
SkFont font(nullptr, 32);
SkPaint paint;
GrRecordingContext* context = canvas->recordingContext();
if (!context) {
canvas->drawString("GPU only!", 20, 40, font, paint);
return;
}
GrDirectContext* direct = context->asDirectContext();
if (!direct) {
canvas->drawString("Direct Context only!", 20, 40, font, paint);
return;
}
sk_sp<SkSurface> gpuSurface = SkSurface::MakeFromBackendTexture(direct,
backEndTexture,
kTopLeft_GrSurfaceOrigin,
0,
kRGBA_8888_SkColorType,
nullptr,
nullptr,
nullptr);
auto surfaceCanvas = gpuSurface->getCanvas();
surfaceCanvas->drawString("GPU rocks!", 20, 40, font, paint);
sk_sp<SkImage> image(gpuSurface->makeImageSnapshot());
canvas->drawImage(image, 0, 0);
}
} // END FIDDLE