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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 "GrRenderTargetContext.h" | 10 #include "GrRenderTargetContext.h" |
11 #include "GrInvariantOutput.h" | 11 #include "GrInvariantOutput.h" |
12 #include "GrSimpleTextureEffect.h" | 12 #include "GrSimpleTextureEffect.h" |
| 13 #include "GrTextureProxy.h" |
13 #include "SkMatrix.h" | 14 #include "SkMatrix.h" |
14 #include "glsl/GrGLSLFragmentProcessor.h" | 15 #include "glsl/GrGLSLFragmentProcessor.h" |
15 #include "glsl/GrGLSLFragmentShaderBuilder.h" | 16 #include "glsl/GrGLSLFragmentShaderBuilder.h" |
16 | 17 |
17 class GrGLConfigConversionEffect : public GrGLSLFragmentProcessor { | 18 class GrGLConfigConversionEffect : public GrGLSLFragmentProcessor { |
18 public: | 19 public: |
19 void emitCode(EmitArgs& args) override { | 20 void emitCode(EmitArgs& args) override { |
20 const GrConfigConversionEffect& cce = args.fFp.cast<GrConfigConversionEf
fect>(); | 21 const GrConfigConversionEffect& cce = args.fFp.cast<GrConfigConversionEf
fect>(); |
21 const GrSwizzle& swizzle = cce.swizzle(); | 22 const GrSwizzle& swizzle = cce.swizzle(); |
22 GrConfigConversionEffect::PMConversion pmConversion = cce.pmConversion()
; | 23 GrConfigConversionEffect::PMConversion pmConversion = cce.pmConversion()
; |
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219 // We do a PM->UPM draw from dataTex to readTex and read the data. Then
we do a UPM->PM draw | 220 // We do a PM->UPM draw from dataTex to readTex and read the data. Then
we do a UPM->PM draw |
220 // from readTex to tempTex followed by a PM->UPM draw to readTex and fin
ally read the data. | 221 // from readTex to tempTex followed by a PM->UPM draw to readTex and fin
ally read the data. |
221 // We then verify that two reads produced the same values. | 222 // We then verify that two reads produced the same values. |
222 | 223 |
223 GrPaint paint1; | 224 GrPaint paint1; |
224 GrPaint paint2; | 225 GrPaint paint2; |
225 GrPaint paint3; | 226 GrPaint paint3; |
226 sk_sp<GrFragmentProcessor> pmToUPM1(new GrConfigConversionEffect( | 227 sk_sp<GrFragmentProcessor> pmToUPM1(new GrConfigConversionEffect( |
227 dataTex.get(), GrSwizzle::RGBA(), *pmToUPMRule, SkMatrix::I())); | 228 dataTex.get(), GrSwizzle::RGBA(), *pmToUPMRule, SkMatrix::I())); |
228 sk_sp<GrFragmentProcessor> upmToPM(new GrConfigConversionEffect( | 229 sk_sp<GrFragmentProcessor> upmToPM(new GrConfigConversionEffect( |
229 readRTC->asTexture().get(), GrSwizzle::RGBA(), *upmToPMRule, SkM
atrix::I())); | 230 readRTC->asDeferredTexture(), GrSwizzle::RGBA(), *upmToPMRule, S
kMatrix::I())); |
230 sk_sp<GrFragmentProcessor> pmToUPM2(new GrConfigConversionEffect( | 231 sk_sp<GrFragmentProcessor> pmToUPM2(new GrConfigConversionEffect( |
231 tempRTC->asTexture().get(), GrSwizzle::RGBA(), *pmToUPMRule, SkM
atrix::I())); | 232 tempRTC->asDeferredTexture(), GrSwizzle::RGBA(), *pmToUPMRule, S
kMatrix::I())); |
232 | 233 |
233 paint1.addColorFragmentProcessor(std::move(pmToUPM1)); | 234 paint1.addColorFragmentProcessor(std::move(pmToUPM1)); |
234 paint1.setPorterDuffXPFactory(SkBlendMode::kSrc); | 235 paint1.setPorterDuffXPFactory(SkBlendMode::kSrc); |
235 | 236 |
236 readRTC->fillRectToRect(GrNoClip(), paint1, SkMatrix::I(), kDstRect, kSr
cRect); | 237 readRTC->fillRectToRect(GrNoClip(), paint1, SkMatrix::I(), kDstRect, kSr
cRect); |
237 | 238 |
238 readRTC->asTexture()->readPixels(0, 0, kSize, kSize, kConfig, firstRead)
; | 239 readRTC->asDeferredTexture()->readPixels(0, 0, kSize, kSize, kConfig, fi
rstRead); |
239 | 240 |
240 paint2.addColorFragmentProcessor(std::move(upmToPM)); | 241 paint2.addColorFragmentProcessor(std::move(upmToPM)); |
241 paint2.setPorterDuffXPFactory(SkBlendMode::kSrc); | 242 paint2.setPorterDuffXPFactory(SkBlendMode::kSrc); |
242 | 243 |
243 tempRTC->fillRectToRect(GrNoClip(), paint2, SkMatrix::I(), kDstRect, kSr
cRect); | 244 tempRTC->fillRectToRect(GrNoClip(), paint2, SkMatrix::I(), kDstRect, kSr
cRect); |
244 | 245 |
245 paint3.addColorFragmentProcessor(std::move(pmToUPM2)); | 246 paint3.addColorFragmentProcessor(std::move(pmToUPM2)); |
246 paint3.setPorterDuffXPFactory(SkBlendMode::kSrc); | 247 paint3.setPorterDuffXPFactory(SkBlendMode::kSrc); |
247 | 248 |
248 readRTC->fillRectToRect(GrNoClip(), paint3, SkMatrix::I(), kDstRect, kSr
cRect); | 249 readRTC->fillRectToRect(GrNoClip(), paint3, SkMatrix::I(), kDstRect, kSr
cRect); |
249 | 250 |
250 readRTC->asTexture()->readPixels(0, 0, kSize, kSize, kConfig, secondRead
); | 251 readRTC->asDeferredTexture()->readPixels(0, 0, kSize, kSize, kConfig, se
condRead); |
251 | 252 |
252 failed = false; | 253 failed = false; |
253 for (int y = 0; y < kSize && !failed; ++y) { | 254 for (int y = 0; y < kSize && !failed; ++y) { |
254 for (int x = 0; x <= y; ++x) { | 255 for (int x = 0; x <= y; ++x) { |
255 if (firstRead[kSize * y + x] != secondRead[kSize * y + x]) { | 256 if (firstRead[kSize * y + x] != secondRead[kSize * y + x]) { |
256 failed = true; | 257 failed = true; |
257 break; | 258 break; |
258 } | 259 } |
259 } | 260 } |
260 } | 261 } |
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278 if (kRGBA_8888_GrPixelConfig != texture->config() && | 279 if (kRGBA_8888_GrPixelConfig != texture->config() && |
279 kBGRA_8888_GrPixelConfig != texture->config() && | 280 kBGRA_8888_GrPixelConfig != texture->config() && |
280 kNone_PMConversion != pmConversion) { | 281 kNone_PMConversion != pmConversion) { |
281 // The PM conversions assume colors are 0..255 | 282 // The PM conversions assume colors are 0..255 |
282 return nullptr; | 283 return nullptr; |
283 } | 284 } |
284 return sk_sp<GrFragmentProcessor>( | 285 return sk_sp<GrFragmentProcessor>( |
285 new GrConfigConversionEffect(texture, swizzle, pmConversion, matrix)
); | 286 new GrConfigConversionEffect(texture, swizzle, pmConversion, matrix)
); |
286 } | 287 } |
287 } | 288 } |
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