1 /*
2 * Copyright 2015 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 // This is an example of the translation unit that needs to be
9 // assembled by the fiddler program to compile into a fiddle: an
10 // implementation of the GetDrawOptions() and draw() functions.
11
12 #include "include/gpu/ganesh/SkSurfaceGanesh.h"
13 #include "tools/fiddle/fiddle_main.h"
14 #include "tools/gpu/ManagedBackendTexture.h"
15
GetDrawOptions()16 DrawOptions GetDrawOptions() {
17 // path *should* be absolute.
18 static const char path[] = "resources/images/color_wheel.png";
19 return DrawOptions(256,
20 256,
21 true,
22 true,
23 true,
24 true,
25 true,
26 false,
27 false,
28 path,
29 skgpu::Mipmapped::kYes,
30 64,
31 64,
32 0,
33 skgpu::Mipmapped::kYes);
34 }
draw(SkCanvas * canvas)35 void draw(SkCanvas* canvas) {
36 canvas->clear(SK_ColorWHITE);
37 SkMatrix matrix;
38 matrix.setScale(0.75f, 0.75f);
39 matrix.preRotate(frame * 30.0f * duration); // If an animation, rotate at 30 deg/s.
40 SkPaint paint;
41 paint.setShader(image->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat,
42 SkSamplingOptions(), matrix));
43 canvas->drawPaint(paint);
44 SkDebugf("This is text output: %d", 2);
45
46 if (auto dContext = GrAsDirectContext(canvas->recordingContext())) {
47 sk_sp<SkImage> tmp = SkImages::BorrowTextureFrom(dContext,
48 backEndTexture,
49 kTopLeft_GrSurfaceOrigin,
50 kRGBA_8888_SkColorType,
51 kOpaque_SkAlphaType,
52 nullptr);
53
54 constexpr int kSampleCnt = 0;
55 sk_sp<SkSurface> tmp2 = SkSurfaces::WrapBackendTexture(dContext,
56 backEndTextureRenderTarget,
57 kTopLeft_GrSurfaceOrigin,
58 kSampleCnt,
59 kRGBA_8888_SkColorType,
60 nullptr,
61 nullptr);
62
63 // Note: this surface should only be renderable (i.e., not textureable)
64 sk_sp<SkSurface> tmp3 = SkSurfaces::WrapBackendRenderTarget(dContext,
65 backEndRenderTarget,
66 kTopLeft_GrSurfaceOrigin,
67 kRGBA_8888_SkColorType,
68 nullptr,
69 nullptr);
70 }
71 }
72
