bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2011 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
| 8 | |
| 9 | #include "Test.h" |
| 10 | #include "SkCanvas.h" |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 11 | #include "SkColorPriv.h" |
| 12 | #include "SkDevice.h" |
reed@google.com | 4b163ed | 2012-08-07 21:35:13 +0000 | [diff] [blame] | 13 | #include "SkMathPriv.h" |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 14 | #include "SkRegion.h" |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 15 | #if SK_SUPPORT_GPU |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 16 | #include "SkGpuDevice.h" |
bsalomon@google.com | 67b915d | 2013-02-04 16:13:32 +0000 | [diff] [blame^] | 17 | #include "GrContextFactory.h" |
bsalomon@google.com | cf8fb1f | 2012-08-02 14:03:32 +0000 | [diff] [blame] | 18 | #endif |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 19 | |
| 20 | |
| 21 | static const int DEV_W = 100, DEV_H = 100; |
| 22 | static const SkIRect DEV_RECT = SkIRect::MakeWH(DEV_W, DEV_H); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 23 | static const SkRect DEV_RECT_S = SkRect::MakeWH(DEV_W * SK_Scalar1, |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 24 | DEV_H * SK_Scalar1); |
| 25 | |
| 26 | namespace { |
| 27 | SkPMColor getCanvasColor(int x, int y) { |
| 28 | SkASSERT(x >= 0 && x < DEV_W); |
| 29 | SkASSERT(y >= 0 && y < DEV_H); |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 30 | |
| 31 | U8CPU r = x; |
| 32 | U8CPU g = y; |
| 33 | U8CPU b = 0xc; |
| 34 | |
| 35 | U8CPU a = 0xff; |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 36 | switch ((x+y) % 5) { |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 37 | case 0: |
| 38 | a = 0xff; |
| 39 | break; |
| 40 | case 1: |
| 41 | a = 0x80; |
| 42 | break; |
| 43 | case 2: |
| 44 | a = 0xCC; |
| 45 | break; |
| 46 | case 4: |
| 47 | a = 0x01; |
| 48 | break; |
| 49 | case 3: |
| 50 | a = 0x00; |
| 51 | break; |
| 52 | } |
| 53 | return SkPremultiplyARGBInline(a, r, g, b); |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 54 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 55 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 56 | SkPMColor getBitmapColor(int x, int y, int w, int h) { |
| 57 | int n = y * w + x; |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 58 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 59 | U8CPU b = n & 0xff; |
| 60 | U8CPU g = (n >> 8) & 0xff; |
| 61 | U8CPU r = (n >> 16) & 0xff; |
| 62 | return SkPackARGB32(0xff, r, g , b); |
| 63 | } |
| 64 | |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 65 | SkPMColor convertConfig8888ToPMColor(SkCanvas::Config8888 config8888, |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 66 | uint32_t color, |
| 67 | bool* premul) { |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 68 | const uint8_t* c = reinterpret_cast<uint8_t*>(&color); |
| 69 | U8CPU a,r,g,b; |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 70 | *premul = false; |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 71 | switch (config8888) { |
| 72 | case SkCanvas::kNative_Premul_Config8888: |
| 73 | return color; |
| 74 | case SkCanvas::kNative_Unpremul_Config8888: |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 75 | *premul = true; |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 76 | a = SkGetPackedA32(color); |
| 77 | r = SkGetPackedR32(color); |
| 78 | g = SkGetPackedG32(color); |
| 79 | b = SkGetPackedB32(color); |
| 80 | break; |
| 81 | case SkCanvas::kBGRA_Unpremul_Config8888: |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 82 | *premul = true; // fallthru |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 83 | case SkCanvas::kBGRA_Premul_Config8888: |
| 84 | a = static_cast<U8CPU>(c[3]); |
| 85 | r = static_cast<U8CPU>(c[2]); |
| 86 | g = static_cast<U8CPU>(c[1]); |
| 87 | b = static_cast<U8CPU>(c[0]); |
| 88 | break; |
| 89 | case SkCanvas::kRGBA_Unpremul_Config8888: |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 90 | *premul = true; // fallthru |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 91 | case SkCanvas::kRGBA_Premul_Config8888: |
| 92 | a = static_cast<U8CPU>(c[3]); |
| 93 | r = static_cast<U8CPU>(c[0]); |
| 94 | g = static_cast<U8CPU>(c[1]); |
| 95 | b = static_cast<U8CPU>(c[2]); |
| 96 | break; |
bsalomon@google.com | ccaa002 | 2012-09-25 19:55:07 +0000 | [diff] [blame] | 97 | default: |
| 98 | SkDEBUGFAIL("Unexpected Config8888"); |
| 99 | return 0; |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 100 | } |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 101 | if (*premul) { |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 102 | r = SkMulDiv255Ceiling(r, a); |
| 103 | g = SkMulDiv255Ceiling(g, a); |
| 104 | b = SkMulDiv255Ceiling(b, a); |
| 105 | } |
| 106 | return SkPackARGB32(a, r, g, b); |
| 107 | } |
| 108 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 109 | void fillCanvas(SkCanvas* canvas) { |
| 110 | static SkBitmap bmp; |
| 111 | if (bmp.isNull()) { |
| 112 | bmp.setConfig(SkBitmap::kARGB_8888_Config, DEV_W, DEV_H); |
reed@google.com | 44a42ea | 2012-10-01 17:54:05 +0000 | [diff] [blame] | 113 | SkDEBUGCODE(bool alloc =) bmp.allocPixels(); |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 114 | SkASSERT(alloc); |
| 115 | SkAutoLockPixels alp(bmp); |
| 116 | intptr_t pixels = reinterpret_cast<intptr_t>(bmp.getPixels()); |
| 117 | for (int y = 0; y < DEV_H; ++y) { |
| 118 | for (int x = 0; x < DEV_W; ++x) { |
| 119 | SkPMColor* pixel = reinterpret_cast<SkPMColor*>(pixels + y * bmp.rowBytes() + x * bmp.bytesPerPixel()); |
| 120 | *pixel = getCanvasColor(x, y); |
| 121 | } |
| 122 | } |
| 123 | } |
| 124 | canvas->save(); |
| 125 | canvas->setMatrix(SkMatrix::I()); |
| 126 | canvas->clipRect(DEV_RECT_S, SkRegion::kReplace_Op); |
| 127 | SkPaint paint; |
| 128 | paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
| 129 | canvas->drawBitmap(bmp, 0, 0, &paint); |
| 130 | canvas->restore(); |
| 131 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 132 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 133 | void fillBitmap(SkBitmap* bitmap) { |
| 134 | SkASSERT(bitmap->lockPixelsAreWritable()); |
| 135 | SkAutoLockPixels alp(*bitmap); |
| 136 | int w = bitmap->width(); |
| 137 | int h = bitmap->height(); |
| 138 | intptr_t pixels = reinterpret_cast<intptr_t>(bitmap->getPixels()); |
| 139 | for (int y = 0; y < h; ++y) { |
| 140 | for (int x = 0; x < w; ++x) { |
| 141 | SkPMColor* pixel = reinterpret_cast<SkPMColor*>(pixels + y * bitmap->rowBytes() + x * bitmap->bytesPerPixel()); |
| 142 | *pixel = getBitmapColor(x, y, w, h); |
| 143 | } |
| 144 | } |
| 145 | } |
| 146 | |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 147 | bool checkPixel(SkPMColor a, SkPMColor b, bool didPremulConversion) { |
| 148 | if (!didPremulConversion) { |
| 149 | return a == b; |
| 150 | } |
| 151 | int32_t aA = static_cast<int32_t>(SkGetPackedA32(a)); |
| 152 | int32_t aR = static_cast<int32_t>(SkGetPackedR32(a)); |
| 153 | int32_t aG = static_cast<int32_t>(SkGetPackedG32(a)); |
| 154 | int32_t aB = SkGetPackedB32(a); |
| 155 | |
| 156 | int32_t bA = static_cast<int32_t>(SkGetPackedA32(b)); |
| 157 | int32_t bR = static_cast<int32_t>(SkGetPackedR32(b)); |
| 158 | int32_t bG = static_cast<int32_t>(SkGetPackedG32(b)); |
| 159 | int32_t bB = static_cast<int32_t>(SkGetPackedB32(b)); |
| 160 | |
| 161 | return aA == bA && |
| 162 | SkAbs32(aR - bR) <= 1 && |
| 163 | SkAbs32(aG - bG) <= 1 && |
| 164 | SkAbs32(aB - bB) <= 1; |
| 165 | } |
| 166 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 167 | // checks the bitmap contains correct pixels after the readPixels |
| 168 | // if the bitmap was prefilled with pixels it checks that these weren't |
| 169 | // overwritten in the area outside the readPixels. |
| 170 | bool checkRead(skiatest::Reporter* reporter, |
| 171 | const SkBitmap& bitmap, |
| 172 | int x, int y, |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 173 | bool checkCanvasPixels, |
| 174 | bool checkBitmapPixels, |
| 175 | SkCanvas::Config8888 config8888) { |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 176 | SkASSERT(SkBitmap::kARGB_8888_Config == bitmap.config()); |
| 177 | SkASSERT(!bitmap.isNull()); |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 178 | SkASSERT(checkCanvasPixels || checkBitmapPixels); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 179 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 180 | int bw = bitmap.width(); |
| 181 | int bh = bitmap.height(); |
| 182 | |
| 183 | SkIRect srcRect = SkIRect::MakeXYWH(x, y, bw, bh); |
| 184 | SkIRect clippedSrcRect = DEV_RECT; |
| 185 | if (!clippedSrcRect.intersect(srcRect)) { |
| 186 | clippedSrcRect.setEmpty(); |
| 187 | } |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 188 | SkAutoLockPixels alp(bitmap); |
| 189 | intptr_t pixels = reinterpret_cast<intptr_t>(bitmap.getPixels()); |
| 190 | for (int by = 0; by < bh; ++by) { |
| 191 | for (int bx = 0; bx < bw; ++bx) { |
| 192 | int devx = bx + srcRect.fLeft; |
| 193 | int devy = by + srcRect.fTop; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 194 | |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 195 | uint32_t pixel = *reinterpret_cast<SkPMColor*>(pixels + by * bitmap.rowBytes() + bx * bitmap.bytesPerPixel()); |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 196 | |
| 197 | if (clippedSrcRect.contains(devx, devy)) { |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 198 | if (checkCanvasPixels) { |
| 199 | SkPMColor canvasPixel = getCanvasColor(devx, devy); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 200 | bool didPremul; |
| 201 | SkPMColor pmPixel = convertConfig8888ToPMColor(config8888, pixel, &didPremul); |
| 202 | bool check; |
| 203 | REPORTER_ASSERT(reporter, check = checkPixel(pmPixel, canvasPixel, didPremul)); |
| 204 | if (!check) { |
bsalomon@google.com | 72f3dca | 2012-08-17 13:32:06 +0000 | [diff] [blame] | 205 | return false; |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 206 | } |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 207 | } |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 208 | } else if (checkBitmapPixels) { |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 209 | REPORTER_ASSERT(reporter, getBitmapColor(bx, by, bw, bh) == pixel); |
| 210 | if (getBitmapColor(bx, by, bw, bh) != pixel) { |
bsalomon@google.com | 72f3dca | 2012-08-17 13:32:06 +0000 | [diff] [blame] | 211 | return false; |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 212 | } |
| 213 | } |
| 214 | } |
| 215 | } |
bsalomon@google.com | 72f3dca | 2012-08-17 13:32:06 +0000 | [diff] [blame] | 216 | return true; |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 217 | } |
| 218 | |
| 219 | enum BitmapInit { |
| 220 | kFirstBitmapInit = 0, |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 221 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 222 | kNoPixels_BitmapInit = kFirstBitmapInit, |
| 223 | kTight_BitmapInit, |
| 224 | kRowBytes_BitmapInit, |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 225 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 226 | kBitmapInitCnt |
| 227 | }; |
| 228 | |
| 229 | BitmapInit nextBMI(BitmapInit bmi) { |
| 230 | int x = bmi; |
| 231 | return static_cast<BitmapInit>(++x); |
| 232 | } |
| 233 | |
| 234 | |
| 235 | void init_bitmap(SkBitmap* bitmap, const SkIRect& rect, BitmapInit init) { |
| 236 | int w = rect.width(); |
| 237 | int h = rect.height(); |
| 238 | int rowBytes = 0; |
| 239 | bool alloc = true; |
| 240 | switch (init) { |
| 241 | case kNoPixels_BitmapInit: |
| 242 | alloc = false; |
| 243 | case kTight_BitmapInit: |
| 244 | break; |
| 245 | case kRowBytes_BitmapInit: |
| 246 | rowBytes = w * sizeof(SkPMColor) + 16 * sizeof(SkPMColor); |
| 247 | break; |
| 248 | default: |
| 249 | SkASSERT(0); |
| 250 | break; |
| 251 | } |
| 252 | bitmap->setConfig(SkBitmap::kARGB_8888_Config, w, h, rowBytes); |
| 253 | if (alloc) { |
| 254 | bitmap->allocPixels(); |
| 255 | } |
| 256 | } |
| 257 | |
bsalomon@google.com | 67b915d | 2013-02-04 16:13:32 +0000 | [diff] [blame^] | 258 | void ReadPixelsTest(skiatest::Reporter* reporter, GrContextFactory* factory) { |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 259 | const SkIRect testRects[] = { |
| 260 | // entire thing |
| 261 | DEV_RECT, |
| 262 | // larger on all sides |
| 263 | SkIRect::MakeLTRB(-10, -10, DEV_W + 10, DEV_H + 10), |
| 264 | // fully contained |
| 265 | SkIRect::MakeLTRB(DEV_W / 4, DEV_H / 4, 3 * DEV_W / 4, 3 * DEV_H / 4), |
| 266 | // outside top left |
| 267 | SkIRect::MakeLTRB(-10, -10, -1, -1), |
| 268 | // touching top left corner |
| 269 | SkIRect::MakeLTRB(-10, -10, 0, 0), |
| 270 | // overlapping top left corner |
| 271 | SkIRect::MakeLTRB(-10, -10, DEV_W / 4, DEV_H / 4), |
| 272 | // overlapping top left and top right corners |
| 273 | SkIRect::MakeLTRB(-10, -10, DEV_W + 10, DEV_H / 4), |
| 274 | // touching entire top edge |
| 275 | SkIRect::MakeLTRB(-10, -10, DEV_W + 10, 0), |
| 276 | // overlapping top right corner |
| 277 | SkIRect::MakeLTRB(3 * DEV_W / 4, -10, DEV_W + 10, DEV_H / 4), |
| 278 | // contained in x, overlapping top edge |
| 279 | SkIRect::MakeLTRB(DEV_W / 4, -10, 3 * DEV_W / 4, DEV_H / 4), |
| 280 | // outside top right corner |
| 281 | SkIRect::MakeLTRB(DEV_W + 1, -10, DEV_W + 10, -1), |
| 282 | // touching top right corner |
| 283 | SkIRect::MakeLTRB(DEV_W, -10, DEV_W + 10, 0), |
| 284 | // overlapping top left and bottom left corners |
| 285 | SkIRect::MakeLTRB(-10, -10, DEV_W / 4, DEV_H + 10), |
| 286 | // touching entire left edge |
| 287 | SkIRect::MakeLTRB(-10, -10, 0, DEV_H + 10), |
| 288 | // overlapping bottom left corner |
| 289 | SkIRect::MakeLTRB(-10, 3 * DEV_H / 4, DEV_W / 4, DEV_H + 10), |
| 290 | // contained in y, overlapping left edge |
| 291 | SkIRect::MakeLTRB(-10, DEV_H / 4, DEV_W / 4, 3 * DEV_H / 4), |
| 292 | // outside bottom left corner |
| 293 | SkIRect::MakeLTRB(-10, DEV_H + 1, -1, DEV_H + 10), |
| 294 | // touching bottom left corner |
| 295 | SkIRect::MakeLTRB(-10, DEV_H, 0, DEV_H + 10), |
| 296 | // overlapping bottom left and bottom right corners |
| 297 | SkIRect::MakeLTRB(-10, 3 * DEV_H / 4, DEV_W + 10, DEV_H + 10), |
| 298 | // touching entire left edge |
| 299 | SkIRect::MakeLTRB(0, DEV_H, DEV_W, DEV_H + 10), |
| 300 | // overlapping bottom right corner |
| 301 | SkIRect::MakeLTRB(3 * DEV_W / 4, 3 * DEV_H / 4, DEV_W + 10, DEV_H + 10), |
| 302 | // overlapping top right and bottom right corners |
| 303 | SkIRect::MakeLTRB(3 * DEV_W / 4, -10, DEV_W + 10, DEV_H + 10), |
| 304 | }; |
| 305 | |
bsalomon@google.com | b9f026f | 2012-02-09 13:53:48 +0000 | [diff] [blame] | 306 | for (int dtype = 0; dtype < 2; ++dtype) { |
bsalomon@google.com | 67b915d | 2013-02-04 16:13:32 +0000 | [diff] [blame^] | 307 | int glCtxTypeCnt = 1; |
| 308 | #if SK_SUPPORT_GPU |
| 309 | if (0 != dtype) { |
| 310 | glCtxTypeCnt = GrContextFactory::kGLContextTypeCnt; |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 311 | } |
djsollen@google.com | 8688e5b | 2012-01-09 13:02:20 +0000 | [diff] [blame] | 312 | #endif |
bsalomon@google.com | 67b915d | 2013-02-04 16:13:32 +0000 | [diff] [blame^] | 313 | for (int glCtxType = 0; glCtxType < glCtxTypeCnt; ++glCtxType) { |
| 314 | SkAutoTUnref<SkDevice> device; |
| 315 | if (0 == dtype) { |
| 316 | device.reset(new SkDevice(SkBitmap::kARGB_8888_Config, DEV_W, DEV_H, false)); |
| 317 | } else { |
| 318 | #if SK_SUPPORT_GPU |
| 319 | GrContextFactory::GLContextType type = |
| 320 | static_cast<GrContextFactory::GLContextType>(glCtxType); |
| 321 | if (!GrContextFactory::IsRenderingGLContext(type)) { |
| 322 | continue; |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 323 | } |
bsalomon@google.com | 67b915d | 2013-02-04 16:13:32 +0000 | [diff] [blame^] | 324 | GrContext* context = factory->get(type); |
| 325 | if (NULL == context) { |
| 326 | continue; |
| 327 | } |
| 328 | device.reset(new SkGpuDevice(context, SkBitmap::kARGB_8888_Config, DEV_W, DEV_H)); |
| 329 | #else |
| 330 | continue; |
| 331 | #endif |
| 332 | } |
| 333 | SkCanvas canvas(device); |
| 334 | fillCanvas(&canvas); |
| 335 | |
| 336 | static const SkCanvas::Config8888 gReadConfigs[] = { |
| 337 | SkCanvas::kNative_Premul_Config8888, |
| 338 | SkCanvas::kNative_Unpremul_Config8888, |
| 339 | /** |
| 340 | * There is a bug in Ganesh (http://code.google.com/p/skia/issues/detail?id=438) |
| 341 | * that causes the readback of pixels from BGRA canvas to an RGBA bitmap to |
| 342 | * fail. This should be removed as soon as the issue above is resolved. |
| 343 | */ |
| 344 | #if !defined(SK_BUILD_FOR_ANDROID) |
| 345 | SkCanvas::kBGRA_Premul_Config8888, |
| 346 | SkCanvas::kBGRA_Unpremul_Config8888, |
| 347 | #endif |
| 348 | SkCanvas::kRGBA_Premul_Config8888, |
| 349 | SkCanvas::kRGBA_Unpremul_Config8888, |
| 350 | }; |
| 351 | for (size_t rect = 0; rect < SK_ARRAY_COUNT(testRects); ++rect) { |
| 352 | const SkIRect& srcRect = testRects[rect]; |
| 353 | for (BitmapInit bmi = kFirstBitmapInit; |
| 354 | bmi < kBitmapInitCnt; |
| 355 | bmi = nextBMI(bmi)) { |
| 356 | for (size_t c = 0; c < SK_ARRAY_COUNT(gReadConfigs); ++c) { |
| 357 | SkCanvas::Config8888 config8888 = gReadConfigs[c]; |
| 358 | SkBitmap bmp; |
| 359 | init_bitmap(&bmp, srcRect, bmi); |
| 360 | |
| 361 | // if the bitmap has pixels allocated before the readPixels, |
| 362 | // note that and fill them with pattern |
| 363 | bool startsWithPixels = !bmp.isNull(); |
| 364 | if (startsWithPixels) { |
| 365 | fillBitmap(&bmp); |
| 366 | } |
| 367 | uint32_t idBefore = canvas.getDevice()->accessBitmap(false).getGenerationID(); |
| 368 | bool success = |
| 369 | canvas.readPixels(&bmp, srcRect.fLeft, |
| 370 | srcRect.fTop, config8888); |
| 371 | uint32_t idAfter = canvas.getDevice()->accessBitmap(false).getGenerationID(); |
| 372 | |
| 373 | // we expect to succeed when the read isn't fully clipped |
| 374 | // out. |
| 375 | bool expectSuccess = SkIRect::Intersects(srcRect, DEV_RECT); |
| 376 | // determine whether we expected the read to succeed. |
| 377 | REPORTER_ASSERT(reporter, success == expectSuccess); |
| 378 | // read pixels should never change the gen id |
| 379 | REPORTER_ASSERT(reporter, idBefore == idAfter); |
| 380 | |
| 381 | if (success || startsWithPixels) { |
| 382 | checkRead(reporter, bmp, srcRect.fLeft, srcRect.fTop, |
| 383 | success, startsWithPixels, config8888); |
| 384 | } else { |
| 385 | // if we had no pixels beforehand and the readPixels |
| 386 | // failed then our bitmap should still not have pixels |
| 387 | REPORTER_ASSERT(reporter, bmp.isNull()); |
| 388 | } |
| 389 | } |
| 390 | // check the old webkit version of readPixels that clips the |
| 391 | // bitmap size |
| 392 | SkBitmap wkbmp; |
| 393 | bool success = canvas.readPixels(srcRect, &wkbmp); |
| 394 | SkIRect clippedRect = DEV_RECT; |
| 395 | if (clippedRect.intersect(srcRect)) { |
| 396 | REPORTER_ASSERT(reporter, success); |
| 397 | checkRead(reporter, wkbmp, clippedRect.fLeft, |
| 398 | clippedRect.fTop, true, false, |
| 399 | SkCanvas::kNative_Premul_Config8888); |
| 400 | } else { |
| 401 | REPORTER_ASSERT(reporter, !success); |
| 402 | } |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 403 | } |
| 404 | } |
| 405 | } |
| 406 | } |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | #include "TestClassDef.h" |
| 411 | DEFINE_GPUTESTCLASS("ReadPixels", ReadPixelsTestClass, ReadPixelsTest) |