| 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 |
| 208 bool failed = true; | 210 bool failed = true; |
| 209 | 211 |
| 210 for (size_t i = 0; i < SK_ARRAY_COUNT(kConversionRules) && failed; ++i) { | 212 for (size_t i = 0; i < SK_ARRAY_COUNT(kConversionRules) && failed; ++i) { |
| 211 *pmToUPMRule = kConversionRules[i][0]; | 213 *pmToUPMRule = kConversionRules[i][0]; |
| 212 *upmToPMRule = kConversionRules[i][1]; | 214 *upmToPMRule = kConversionRules[i][1]; |
| 213 | 215 |
| 214 static const SkRect kDstRect = SkRect::MakeWH(SkIntToScalar(256), SkIntT
oScalar(256)); | 216 static const SkRect kDstRect = SkRect::MakeWH(SkIntToScalar(256), SkIntT
oScalar(256)); |
| 215 static const SkRect kSrcRect = SkRect::MakeWH(SK_Scalar1, SK_Scalar1); | 217 static const SkRect kSrcRect = SkRect::MakeWH(SK_Scalar1, SK_Scalar1); |
| 216 // We do a PM->UPM draw from dataTex to readTex and read the data. Then
we do a UPM->PM draw | 218 // We do a PM->UPM draw from dataTex to readTex and read the data. Then
we do a UPM->PM draw |
| 217 // from readTex to tempTex followed by a PM->UPM draw to readTex and fin
ally read the data. | 219 // from readTex to tempTex followed by a PM->UPM draw to readTex and fin
ally read the data. |
| 218 // We then verify that two reads produced the same values. | 220 // We then verify that two reads produced the same values. |
| 219 | 221 |
| 220 SkAutoTUnref<GrFragmentProcessor> pmToUPM1( | 222 SkAutoTUnref<GrFragmentProcessor> pmToUPM1( |
| 221 SkNEW_ARGS(GrConfigConversionEffect, | 223 SkNEW_ARGS(GrConfigConversionEffect, |
| 222 (dataTex, false, *pmToUPMRule, SkMatrix::I()))); | 224 (dataTex, false, *pmToUPMRule, SkMatrix::I()))); |
| 223 SkAutoTUnref<GrFragmentProcessor> upmToPM( | 225 SkAutoTUnref<GrFragmentProcessor> upmToPM( |
| 224 SkNEW_ARGS(GrConfigConversionEffect, | 226 SkNEW_ARGS(GrConfigConversionEffect, |
| 225 (readTex, false, *upmToPMRule, SkMatrix::I()))); | 227 (readTex, false, *upmToPMRule, SkMatrix::I()))); |
| 226 SkAutoTUnref<GrFragmentProcessor> pmToUPM2( | 228 SkAutoTUnref<GrFragmentProcessor> pmToUPM2( |
| 227 SkNEW_ARGS(GrConfigConversionEffect, | 229 SkNEW_ARGS(GrConfigConversionEffect, |
| 228 (tempTex, false, *pmToUPMRule, SkMatrix::I()))); | 230 (tempTex, false, *pmToUPMRule, SkMatrix::I()))); |
| 229 | 231 |
| 230 GrPaint paint1; | 232 GrPaint paint1; |
| 231 paint1.addColorProcessor(pmToUPM1); | 233 paint1.addColorProcessor(pmToUPM1); |
| 232 context->drawNonAARectToRect(readTex->asRenderTarget(), | 234 context->drawNonAARectToRect(readTex->asRenderTarget(), paint1, SkMatrix
::I(), kDstRect, |
| 233 GrClip::WideOpen(), | |
| 234 paint1, | |
| 235 SkMatrix::I(), | |
| 236 kDstRect, | |
| 237 kSrcRect); | 235 kSrcRect); |
| 238 | 236 |
| 239 readTex->readPixels(0, 0, 256, 256, kRGBA_8888_GrPixelConfig, firstRead)
; | 237 readTex->readPixels(0, 0, 256, 256, kRGBA_8888_GrPixelConfig, firstRead)
; |
| 240 | 238 |
| 241 GrPaint paint2; | 239 GrPaint paint2; |
| 242 paint2.addColorProcessor(upmToPM); | 240 paint2.addColorProcessor(upmToPM); |
| 243 context->drawNonAARectToRect(tempTex->asRenderTarget(), | 241 context->drawNonAARectToRect(tempTex->asRenderTarget(), paint2, SkMatrix
::I(), kDstRect, |
| 244 GrClip::WideOpen(), | |
| 245 paint2, | |
| 246 SkMatrix::I(), | |
| 247 kDstRect, | |
| 248 kSrcRect); | 242 kSrcRect); |
| 249 | 243 |
| 250 GrPaint paint3; | 244 GrPaint paint3; |
| 251 paint3.addColorProcessor(pmToUPM2); | 245 paint3.addColorProcessor(pmToUPM2); |
| 252 context->drawNonAARectToRect(readTex->asRenderTarget(), | 246 context->drawNonAARectToRect(readTex->asRenderTarget(), paint3, SkMatrix
::I(), kDstRect, |
| 253 GrClip::WideOpen(), | |
| 254 paint3, | |
| 255 SkMatrix::I(), | |
| 256 kDstRect, | |
| 257 kSrcRect); | 247 kSrcRect); |
| 258 | 248 |
| 259 readTex->readPixels(0, 0, 256, 256, kRGBA_8888_GrPixelConfig, secondRead
); | 249 readTex->readPixels(0, 0, 256, 256, kRGBA_8888_GrPixelConfig, secondRead
); |
| 260 | 250 |
| 261 failed = false; | 251 failed = false; |
| 262 for (int y = 0; y < 256 && !failed; ++y) { | 252 for (int y = 0; y < 256 && !failed; ++y) { |
| 263 for (int x = 0; x <= y; ++x) { | 253 for (int x = 0; x <= y; ++x) { |
| 264 if (firstRead[256 * y + x] != secondRead[256 * y + x]) { | 254 if (firstRead[256 * y + x] != secondRead[256 * y + x]) { |
| 265 failed = true; | 255 failed = true; |
| 266 break; | 256 break; |
| (...skipping 22 matching lines...) Expand all Loading... |
| 289 kNone_PMConversion != pmConversion) { | 279 kNone_PMConversion != pmConversion) { |
| 290 // The PM conversions assume colors are 0..255 | 280 // The PM conversions assume colors are 0..255 |
| 291 return NULL; | 281 return NULL; |
| 292 } | 282 } |
| 293 return SkNEW_ARGS(GrConfigConversionEffect, (texture, | 283 return SkNEW_ARGS(GrConfigConversionEffect, (texture, |
| 294 swapRedAndBlue, | 284 swapRedAndBlue, |
| 295 pmConversion, | 285 pmConversion, |
| 296 matrix)); | 286 matrix)); |
| 297 } | 287 } |
| 298 } | 288 } |
| OLD | NEW |