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Side by Side Diff: gm/yuvtorgbeffect.cpp

Issue 977273003: Merged https://codereview.chromium.org/922273002/ to M41 (Closed) Base URL: https://skia.googlesource.com/skia.git@m41
Patch Set: Created 5 years, 9 months ago
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1 1
2 /* 2 /*
3 * Copyright 2014 Google Inc. 3 * Copyright 2014 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 // This test only works with the GPU backend. 9 // This test only works with the GPU backend.
10 10
11 #include "gm.h" 11 #include "gm.h"
12 12
13 #if SK_SUPPORT_GPU 13 #if SK_SUPPORT_GPU
14 14
15 #include "GrContext.h" 15 #include "GrContext.h"
16 #include "GrTest.h" 16 #include "GrTest.h"
17 #include "effects/GrYUVtoRGBEffect.h" 17 #include "effects/GrYUVtoRGBEffect.h"
18 #include "SkBitmap.h" 18 #include "SkBitmap.h"
19 #include "SkGr.h" 19 #include "SkGr.h"
20 #include "SkGradientShader.h" 20 #include "SkGradientShader.h"
21 21
22 #define YSIZE 8
23 #define USIZE 4
24 #define VSIZE 4
25
22 namespace skiagm { 26 namespace skiagm {
23 /** 27 /**
24 * This GM directly exercises GrYUVtoRGBEffect. 28 * This GM directly exercises GrYUVtoRGBEffect.
25 */ 29 */
26 class YUVtoRGBEffect : public GM { 30 class YUVtoRGBEffect : public GM {
27 public: 31 public:
28 YUVtoRGBEffect() { 32 YUVtoRGBEffect() {
29 this->setBGColor(0xFFFFFFFF); 33 this->setBGColor(0xFFFFFFFF);
30 } 34 }
31 35
32 protected: 36 protected:
33 virtual SkString onShortName() SK_OVERRIDE { 37 virtual SkString onShortName() SK_OVERRIDE {
34 return SkString("yuv_to_rgb_effect"); 38 return SkString("yuv_to_rgb_effect");
35 } 39 }
36 40
37 virtual SkISize onISize() SK_OVERRIDE { 41 virtual SkISize onISize() SK_OVERRIDE {
38 return SkISize::Make(334, 128); 42 return SkISize::Make(238, 84);
39 } 43 }
40 44
41 virtual uint32_t onGetFlags() const SK_OVERRIDE { 45 virtual uint32_t onGetFlags() const SK_OVERRIDE {
42 // This is a GPU-specific GM. 46 // This is a GPU-specific GM.
43 return kGPUOnly_Flag; 47 return kGPUOnly_Flag;
44 } 48 }
45 49
46 virtual void onOnceBeforeDraw() SK_OVERRIDE { 50 virtual void onOnceBeforeDraw() SK_OVERRIDE {
47 SkImageInfo info = SkImageInfo::MakeA8(24, 24); 51 SkImageInfo yinfo = SkImageInfo::MakeA8(YSIZE, YSIZE);
48 fBmp[0].allocPixels(info); 52 fBmp[0].allocPixels(yinfo);
49 fBmp[1].allocPixels(info); 53 SkImageInfo uinfo = SkImageInfo::MakeA8(USIZE, USIZE);
50 fBmp[2].allocPixels(info); 54 fBmp[1].allocPixels(uinfo);
55 SkImageInfo vinfo = SkImageInfo::MakeA8(VSIZE, VSIZE);
56 fBmp[2].allocPixels(vinfo);
51 unsigned char* pixels[3]; 57 unsigned char* pixels[3];
52 for (int i = 0; i < 3; ++i) { 58 for (int i = 0; i < 3; ++i) {
53 pixels[i] = (unsigned char*)fBmp[i].getPixels(); 59 pixels[i] = (unsigned char*)fBmp[i].getPixels();
54 } 60 }
55 int color[] = {0, 85, 170}; 61 int color[] = {0, 85, 170};
56 const int limit[] = {255, 0, 255}; 62 const int limit[] = {255, 0, 255};
57 const int invl[] = {0, 255, 0}; 63 const int invl[] = {0, 255, 0};
58 const int inc[] = {1, -1, 1}; 64 const int inc[] = {1, -1, 1};
59 for (int j = 0; j < 576; ++j) { 65 for (int i = 0; i < 3; ++i) {
60 for (int i = 0; i < 3; ++i) { 66 const size_t nbBytes = fBmp[i].rowBytes() * fBmp[i].height();
67 for (size_t j = 0; j < nbBytes; ++j) {
61 pixels[i][j] = (unsigned char)color[i]; 68 pixels[i][j] = (unsigned char)color[i];
62 color[i] = (color[i] == limit[i]) ? invl[i] : color[i] + inc[i]; 69 color[i] = (color[i] == limit[i]) ? invl[i] : color[i] + inc[i];
63 } 70 }
64 } 71 }
65 } 72 }
66 73
67 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { 74 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
68 GrRenderTarget* rt = canvas->internal_private_accessTopLayerRenderTarget (); 75 GrRenderTarget* rt = canvas->internal_private_accessTopLayerRenderTarget ();
69 if (NULL == rt) { 76 if (NULL == rt) {
70 return; 77 return;
(...skipping 14 matching lines...) Expand all
85 texture[0].reset(GrRefCachedBitmapTexture(context, fBmp[0], NULL)); 92 texture[0].reset(GrRefCachedBitmapTexture(context, fBmp[0], NULL));
86 texture[1].reset(GrRefCachedBitmapTexture(context, fBmp[1], NULL)); 93 texture[1].reset(GrRefCachedBitmapTexture(context, fBmp[1], NULL));
87 texture[2].reset(GrRefCachedBitmapTexture(context, fBmp[2], NULL)); 94 texture[2].reset(GrRefCachedBitmapTexture(context, fBmp[2], NULL));
88 95
89 if (!texture[0] || !texture[1] || !texture[2]) { 96 if (!texture[0] || !texture[1] || !texture[2]) {
90 return; 97 return;
91 } 98 }
92 99
93 static const SkScalar kDrawPad = 10.f; 100 static const SkScalar kDrawPad = 10.f;
94 static const SkScalar kTestPad = 10.f; 101 static const SkScalar kTestPad = 10.f;
95 static const SkScalar kColorSpaceOffset = 64.f; 102 static const SkScalar kColorSpaceOffset = 36.f;
103 SkISize sizes[3] = {{YSIZE, YSIZE}, {USIZE, USIZE}, {VSIZE, VSIZE}};
96 104
97 for (int space = kJPEG_SkYUVColorSpace; space <= kLastEnum_SkYUVColorSpa ce; 105 for (int space = kJPEG_SkYUVColorSpace; space <= kLastEnum_SkYUVColorSpa ce;
98 ++space) { 106 ++space) {
99 SkRect renderRect = SkRect::MakeWH(SkIntToScalar(fBmp[0].width()), 107 SkRect renderRect = SkRect::MakeWH(SkIntToScalar(fBmp[0].width()),
100 SkIntToScalar(fBmp[0].height())); 108 SkIntToScalar(fBmp[0].height()));
101 renderRect.outset(kDrawPad, kDrawPad); 109 renderRect.outset(kDrawPad, kDrawPad);
102 110
103 SkScalar y = kDrawPad + kTestPad + space * kColorSpaceOffset; 111 SkScalar y = kDrawPad + kTestPad + space * kColorSpaceOffset;
104 SkScalar x = kDrawPad + kTestPad; 112 SkScalar x = kDrawPad + kTestPad;
105 113
106 const int indices[6][3] = {{0, 1, 2}, {0, 2, 1}, {1, 0, 2}, 114 const int indices[6][3] = {{0, 1, 2}, {0, 2, 1}, {1, 0, 2},
107 {1, 2, 0}, {2, 0, 1}, {2, 1, 0}}; 115 {1, 2, 0}, {2, 0, 1}, {2, 1, 0}};
108 116
109 for (int i = 0; i < 6; ++i) { 117 for (int i = 0; i < 6; ++i) {
110 SkAutoTUnref<GrFragmentProcessor> fp( 118 SkAutoTUnref<GrFragmentProcessor> fp(
111 GrYUVtoRGBEffect::Create(texture[indices[i][0]], 119 GrYUVtoRGBEffect::Create(texture[indices[i][0]],
112 texture[indices[i][1]], 120 texture[indices[i][1]],
113 texture[indices[i][2]], 121 texture[indices[i][2]],
114 static_cast<SkYUVColorSpace> (space))); 122 sizes,
123 static_cast<SkYUVColorSpace >(space)));
115 if (fp) { 124 if (fp) {
116 SkMatrix viewMatrix; 125 SkMatrix viewMatrix;
117 viewMatrix.setTranslate(x, y); 126 viewMatrix.setTranslate(x, y);
118 GrDrawState drawState; 127 GrDrawState drawState;
119 drawState.setRenderTarget(rt); 128 drawState.setRenderTarget(rt);
120 drawState.addColorProcessor(fp); 129 drawState.addColorProcessor(fp);
121 tt.target()->drawSimpleRect(&drawState, GrColor_WHITE, viewM atrix, renderRect); 130 tt.target()->drawSimpleRect(&drawState, GrColor_WHITE, viewM atrix, renderRect);
122 } 131 }
123 x += renderRect.width() + kTestPad; 132 x += renderRect.width() + kTestPad;
124 } 133 }
125 } 134 }
126 } 135 }
127 136
128 private: 137 private:
129 SkBitmap fBmp[3]; 138 SkBitmap fBmp[3];
130 139
131 typedef GM INHERITED; 140 typedef GM INHERITED;
132 }; 141 };
133 142
134 DEF_GM( return SkNEW(YUVtoRGBEffect); ) 143 DEF_GM( return SkNEW(YUVtoRGBEffect); )
135 } 144 }
136 145
137 #endif 146 #endif
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