1 /*
2 * Copyright 2016 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 #include "include/core/SkBitmap.h"
9 #include "include/core/SkImage.h"
10 #include "include/core/SkImageInfo.h"
11 #include "include/core/SkRect.h"
12 #include "include/core/SkRefCnt.h"
13 #include "include/core/SkTypes.h"
14 #include "include/gpu/GrDirectContext.h"
15 #include "include/gpu/GrTypes.h"
16 #include "src/core/SkDevice.h"
17 #include "src/core/SkSpecialImage.h"
18 #include "src/gpu/SkGpuDevice.h"
19 #include "tests/Test.h"
20 #include "tools/gpu/GrContextFactory.h"
21
22 class SkColorSpace;
23
24 class DeviceTestingAccess {
25 public:
MakeSpecial(SkBaseDevice * dev,const SkBitmap & bm)26 static sk_sp<SkSpecialImage> MakeSpecial(SkBaseDevice* dev, const SkBitmap& bm) {
27 return dev->makeSpecial(bm);
28 }
29
MakeSpecial(SkBaseDevice * dev,SkImage * img)30 static sk_sp<SkSpecialImage> MakeSpecial(SkBaseDevice* dev, SkImage* img) {
31 return dev->makeSpecial(img);
32 }
33
SnapSpecial(SkBaseDevice * dev)34 static sk_sp<SkSpecialImage> SnapSpecial(SkBaseDevice* dev) {
35 return dev->snapSpecial();
36 }
37 };
38
39 // TODO: re-enable this when Raster methods are implemented
40 #if 0
41 DEF_TEST(SpecialImage_BitmapDevice, reporter) {
42 static const int kWidth = 100;
43 static const int kHeight = 90;
44
45 SkImageInfo ii = SkImageInfo::MakeN32Premul(2*kWidth, 2*kHeight);
46
47 sk_sp<SkBaseDevice> bmDev(SkBitmapDevice::Create(ii));
48
49 SkBitmap bm;
50 bm.tryAllocN32Pixels(kWidth, kHeight);
51
52 // Create a raster-backed special image from a raster-backed SkBitmap
53 sk_sp<SkSpecialImage> special = DeviceTestingAccess::MakeSpecial(bmDev.get(), bm);
54 SkASSERT(!special->isTextureBacked());
55 SkASSERT(kWidth == special->width());
56 SkASSERT(kHeight == special->height());
57 SkASSERT(bm.getGenerationID() == special->uniqueID());
58 SkASSERT(SkIRect::MakeWH(kWidth, kHeight) == special->subset());
59
60 // Create a raster-backed special image from a raster-backed SkImage
61 sk_sp<SkImage> image(SkImage::MakeFromBitmap(bm));
62 special = DeviceTestingAccess::MakeSpecial(bmDev.get(), image.get());
63 SkASSERT(!special->isTextureBacked());
64 SkASSERT(kWidth == special->width());
65 SkASSERT(kHeight == special->height());
66 SkASSERT(bm.getGenerationID() == special->uniqueID());
67 SkASSERT(SkIRect::MakeWH(kWidth, kHeight) == special->subset());
68
69 // Snap the device as a raster-backed special image
70 special = DeviceTestingAccess::SnapSpecial(bmDev.get());
71 SkASSERT(!special->isTextureBacked());
72 SkASSERT(2*kWidth == special->width());
73 SkASSERT(2*kHeight == special->height());
74 SkASSERT(SkIRect::MakeWH(2*kWidth, 2*kHeight) == special->subset());
75 }
76 #endif
77
78
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_GPUDevice,reporter,ctxInfo)79 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_GPUDevice, reporter, ctxInfo) {
80 auto context = ctxInfo.directContext();
81
82 static const int kWidth = 100;
83 static const int kHeight = 90;
84
85 SkImageInfo ii = SkImageInfo::MakeN32Premul(2*kWidth, 2*kHeight);
86
87 sk_sp<SkBaseDevice> gpuDev(SkGpuDevice::Make(context, SkBudgeted::kNo, ii,
88 1, kBottomLeft_GrSurfaceOrigin, nullptr,
89 GrMipmapped::kNo,
90 SkGpuDevice::kClear_InitContents));
91
92 SkBitmap bm;
93 SkAssertResult(bm.tryAllocN32Pixels(kWidth, kHeight));
94
95 // Create a gpu-backed special image from a raster-backed SkBitmap
96 sk_sp<SkSpecialImage> special = DeviceTestingAccess::MakeSpecial(gpuDev.get(), bm);
97 SkASSERT(special->isTextureBacked());
98 SkASSERT(kWidth == special->width());
99 SkASSERT(kHeight == special->height());
100 SkASSERT(bm.getGenerationID() == special->uniqueID());
101 SkASSERT(SkIRect::MakeWH(kWidth, kHeight) == special->subset());
102
103 // Create a gpu-backed special image from a raster-backed SkImage
104 sk_sp<SkImage> image(bm.asImage());
105 special = DeviceTestingAccess::MakeSpecial(gpuDev.get(), image.get());
106 SkASSERT(special->isTextureBacked());
107 SkASSERT(kWidth == special->width());
108 SkASSERT(kHeight == special->height());
109 // TODO: Hmmm, this is a bit unexpected
110 SkASSERT(image->uniqueID() != special->uniqueID());
111 SkASSERT(SkIRect::MakeWH(kWidth, kHeight) == special->subset());
112
113 // Create a gpu-backed special image from a gpu-backed SkImage
114 image = image->makeTextureImage(context);
115 special = DeviceTestingAccess::MakeSpecial(gpuDev.get(), image.get());
116 SkASSERT(special->isTextureBacked());
117 SkASSERT(kWidth == special->width());
118 SkASSERT(kHeight == special->height());
119 SkASSERT(image->uniqueID() == special->uniqueID());
120 SkASSERT(SkIRect::MakeWH(kWidth, kHeight) == special->subset());
121
122 // Snap the device as a gpu-backed special image
123 special = DeviceTestingAccess::SnapSpecial(gpuDev.get());
124 SkASSERT(special->isTextureBacked());
125 SkASSERT(2*kWidth == special->width());
126 SkASSERT(2*kHeight == special->height());
127 SkASSERT(SkIRect::MakeWH(2*kWidth, 2*kHeight) == special->subset());
128 }
129