OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "GrConfigConversionEffect.h" | 8 #include "GrConfigConversionEffect.h" |
9 #include "GrContext.h" | 9 #include "GrContext.h" |
10 #include "GrInvariantOutput.h" | 10 #include "GrInvariantOutput.h" |
(...skipping 187 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
198 SkAutoTUnref<GrTexture> dataTex(context->createTexture(desc, true, data, 0))
; | 198 SkAutoTUnref<GrTexture> dataTex(context->createTexture(desc, true, data, 0))
; |
199 if (!dataTex.get()) { | 199 if (!dataTex.get()) { |
200 return; | 200 return; |
201 } | 201 } |
202 | 202 |
203 static const PMConversion kConversionRules[][2] = { | 203 static const PMConversion kConversionRules[][2] = { |
204 {kDivByAlpha_RoundDown_PMConversion, kMulByAlpha_RoundUp_PMConversion}, | 204 {kDivByAlpha_RoundDown_PMConversion, kMulByAlpha_RoundUp_PMConversion}, |
205 {kDivByAlpha_RoundUp_PMConversion, kMulByAlpha_RoundDown_PMConversion}, | 205 {kDivByAlpha_RoundUp_PMConversion, kMulByAlpha_RoundDown_PMConversion}, |
206 }; | 206 }; |
207 | 207 |
208 GrContext::AutoWideOpenIdentityDraw awoid(context); | |
209 | |
210 bool failed = true; | 208 bool failed = true; |
211 | 209 |
212 for (size_t i = 0; i < SK_ARRAY_COUNT(kConversionRules) && failed; ++i) { | 210 for (size_t i = 0; i < SK_ARRAY_COUNT(kConversionRules) && failed; ++i) { |
213 *pmToUPMRule = kConversionRules[i][0]; | 211 *pmToUPMRule = kConversionRules[i][0]; |
214 *upmToPMRule = kConversionRules[i][1]; | 212 *upmToPMRule = kConversionRules[i][1]; |
215 | 213 |
216 static const SkRect kDstRect = SkRect::MakeWH(SkIntToScalar(256), SkIntT
oScalar(256)); | 214 static const SkRect kDstRect = SkRect::MakeWH(SkIntToScalar(256), SkIntT
oScalar(256)); |
217 static const SkRect kSrcRect = SkRect::MakeWH(SK_Scalar1, SK_Scalar1); | 215 static const SkRect kSrcRect = SkRect::MakeWH(SK_Scalar1, SK_Scalar1); |
218 // We do a PM->UPM draw from dataTex to readTex and read the data. Then
we do a UPM->PM draw | 216 // We do a PM->UPM draw from dataTex to readTex and read the data. Then
we do a UPM->PM draw |
219 // from readTex to tempTex followed by a PM->UPM draw to readTex and fin
ally read the data. | 217 // from readTex to tempTex followed by a PM->UPM draw to readTex and fin
ally read the data. |
220 // We then verify that two reads produced the same values. | 218 // We then verify that two reads produced the same values. |
221 | 219 |
222 SkAutoTUnref<GrFragmentProcessor> pmToUPM1( | 220 SkAutoTUnref<GrFragmentProcessor> pmToUPM1( |
223 SkNEW_ARGS(GrConfigConversionEffect, | 221 SkNEW_ARGS(GrConfigConversionEffect, |
224 (dataTex, false, *pmToUPMRule, SkMatrix::I()))); | 222 (dataTex, false, *pmToUPMRule, SkMatrix::I()))); |
225 SkAutoTUnref<GrFragmentProcessor> upmToPM( | 223 SkAutoTUnref<GrFragmentProcessor> upmToPM( |
226 SkNEW_ARGS(GrConfigConversionEffect, | 224 SkNEW_ARGS(GrConfigConversionEffect, |
227 (readTex, false, *upmToPMRule, SkMatrix::I()))); | 225 (readTex, false, *upmToPMRule, SkMatrix::I()))); |
228 SkAutoTUnref<GrFragmentProcessor> pmToUPM2( | 226 SkAutoTUnref<GrFragmentProcessor> pmToUPM2( |
229 SkNEW_ARGS(GrConfigConversionEffect, | 227 SkNEW_ARGS(GrConfigConversionEffect, |
230 (tempTex, false, *pmToUPMRule, SkMatrix::I()))); | 228 (tempTex, false, *pmToUPMRule, SkMatrix::I()))); |
231 | 229 |
232 GrPaint paint1; | 230 GrPaint paint1; |
233 paint1.addColorProcessor(pmToUPM1); | 231 paint1.addColorProcessor(pmToUPM1); |
234 context->drawNonAARectToRect(readTex->asRenderTarget(), paint1, SkMatrix
::I(), kDstRect, | 232 context->drawNonAARectToRect(readTex->asRenderTarget(), |
| 233 GrClip::WideOpen(), |
| 234 paint1, |
| 235 SkMatrix::I(), |
| 236 kDstRect, |
235 kSrcRect); | 237 kSrcRect); |
236 | 238 |
237 readTex->readPixels(0, 0, 256, 256, kRGBA_8888_GrPixelConfig, firstRead)
; | 239 readTex->readPixels(0, 0, 256, 256, kRGBA_8888_GrPixelConfig, firstRead)
; |
238 | 240 |
239 GrPaint paint2; | 241 GrPaint paint2; |
240 paint2.addColorProcessor(upmToPM); | 242 paint2.addColorProcessor(upmToPM); |
241 context->drawNonAARectToRect(tempTex->asRenderTarget(), paint2, SkMatrix
::I(), kDstRect, | 243 context->drawNonAARectToRect(tempTex->asRenderTarget(), |
| 244 GrClip::WideOpen(), |
| 245 paint2, |
| 246 SkMatrix::I(), |
| 247 kDstRect, |
242 kSrcRect); | 248 kSrcRect); |
243 | 249 |
244 GrPaint paint3; | 250 GrPaint paint3; |
245 paint3.addColorProcessor(pmToUPM2); | 251 paint3.addColorProcessor(pmToUPM2); |
246 context->drawNonAARectToRect(readTex->asRenderTarget(), paint3, SkMatrix
::I(), kDstRect, | 252 context->drawNonAARectToRect(readTex->asRenderTarget(), |
| 253 GrClip::WideOpen(), |
| 254 paint3, |
| 255 SkMatrix::I(), |
| 256 kDstRect, |
247 kSrcRect); | 257 kSrcRect); |
248 | 258 |
249 readTex->readPixels(0, 0, 256, 256, kRGBA_8888_GrPixelConfig, secondRead
); | 259 readTex->readPixels(0, 0, 256, 256, kRGBA_8888_GrPixelConfig, secondRead
); |
250 | 260 |
251 failed = false; | 261 failed = false; |
252 for (int y = 0; y < 256 && !failed; ++y) { | 262 for (int y = 0; y < 256 && !failed; ++y) { |
253 for (int x = 0; x <= y; ++x) { | 263 for (int x = 0; x <= y; ++x) { |
254 if (firstRead[256 * y + x] != secondRead[256 * y + x]) { | 264 if (firstRead[256 * y + x] != secondRead[256 * y + x]) { |
255 failed = true; | 265 failed = true; |
256 break; | 266 break; |
(...skipping 22 matching lines...) Expand all Loading... |
279 kNone_PMConversion != pmConversion) { | 289 kNone_PMConversion != pmConversion) { |
280 // The PM conversions assume colors are 0..255 | 290 // The PM conversions assume colors are 0..255 |
281 return NULL; | 291 return NULL; |
282 } | 292 } |
283 return SkNEW_ARGS(GrConfigConversionEffect, (texture, | 293 return SkNEW_ARGS(GrConfigConversionEffect, (texture, |
284 swapRedAndBlue, | 294 swapRedAndBlue, |
285 pmConversion, | 295 pmConversion, |
286 matrix)); | 296 matrix)); |
287 } | 297 } |
288 } | 298 } |
OLD | NEW |