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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 "GrDrawContext.h" | 10 #include "GrDrawContext.h" |
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| 91 typedef GrGLSLFragmentProcessor INHERITED; | 91 typedef GrGLSLFragmentProcessor INHERITED; |
| 92 | 92 |
| 93 }; | 93 }; |
| 94 | 94 |
| 95 /////////////////////////////////////////////////////////////////////////////// | 95 /////////////////////////////////////////////////////////////////////////////// |
| 96 | 96 |
| 97 GrConfigConversionEffect::GrConfigConversionEffect(GrTexture* texture, | 97 GrConfigConversionEffect::GrConfigConversionEffect(GrTexture* texture, |
| 98 const GrSwizzle& swizzle, | 98 const GrSwizzle& swizzle, |
| 99 PMConversion pmConversion, | 99 PMConversion pmConversion, |
| 100 const SkMatrix& matrix) | 100 const SkMatrix& matrix) |
| 101 : INHERITED(texture, matrix, GrTextureParams::ClampNoFilterForceAllowSRGB()) | 101 : INHERITED(texture, matrix) |
| 102 , fSwizzle(swizzle) | 102 , fSwizzle(swizzle) |
| 103 , fPMConversion(pmConversion) { | 103 , fPMConversion(pmConversion) { |
| 104 this->initClassID<GrConfigConversionEffect>(); | 104 this->initClassID<GrConfigConversionEffect>(); |
| 105 // We expect to get here with non-BGRA/RGBA only if we're doing not doing a
premul/unpremul | 105 // We expect to get here with non-BGRA/RGBA only if we're doing not doing a
premul/unpremul |
| 106 // conversion. | 106 // conversion. |
| 107 SkASSERT((kRGBA_8888_GrPixelConfig == texture->config() || | 107 SkASSERT((kRGBA_8888_GrPixelConfig == texture->config() || |
| 108 kBGRA_8888_GrPixelConfig == texture->config()) || | 108 kBGRA_8888_GrPixelConfig == texture->config()) || |
| 109 kNone_PMConversion == pmConversion); | 109 kNone_PMConversion == pmConversion); |
| 110 // Why did we pollute our texture cache instead of using a GrSingleTextureEf
fect? | 110 // Why did we pollute our texture cache instead of using a GrSingleTextureEf
fect? |
| 111 SkASSERT(swizzle != GrSwizzle::RGBA() || kNone_PMConversion != pmConversion)
; | 111 SkASSERT(swizzle != GrSwizzle::RGBA() || kNone_PMConversion != pmConversion)
; |
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| 289 } | 289 } |
| 290 | 290 |
| 291 const GrFragmentProcessor* GrConfigConversionEffect::Create(GrTexture* texture, | 291 const GrFragmentProcessor* GrConfigConversionEffect::Create(GrTexture* texture, |
| 292 const GrSwizzle& swi
zzle, | 292 const GrSwizzle& swi
zzle, |
| 293 PMConversion pmConve
rsion, | 293 PMConversion pmConve
rsion, |
| 294 const SkMatrix& matr
ix) { | 294 const SkMatrix& matr
ix) { |
| 295 if (swizzle == GrSwizzle::RGBA() && kNone_PMConversion == pmConversion) { | 295 if (swizzle == GrSwizzle::RGBA() && kNone_PMConversion == pmConversion) { |
| 296 // If we returned a GrConfigConversionEffect that was equivalent to a Gr
SimpleTextureEffect | 296 // If we returned a GrConfigConversionEffect that was equivalent to a Gr
SimpleTextureEffect |
| 297 // then we may pollute our texture cache with redundant shaders. So in t
he case that no | 297 // then we may pollute our texture cache with redundant shaders. So in t
he case that no |
| 298 // conversions were requested we instead return a GrSimpleTextureEffect. | 298 // conversions were requested we instead return a GrSimpleTextureEffect. |
| 299 return GrSimpleTextureEffect::Create(texture, matrix, | 299 return GrSimpleTextureEffect::Create(texture, matrix); |
| 300 GrTextureParams::ClampNoFilterForce
AllowSRGB()); | |
| 301 } else { | 300 } else { |
| 302 if (kRGBA_8888_GrPixelConfig != texture->config() && | 301 if (kRGBA_8888_GrPixelConfig != texture->config() && |
| 303 kBGRA_8888_GrPixelConfig != texture->config() && | 302 kBGRA_8888_GrPixelConfig != texture->config() && |
| 304 kNone_PMConversion != pmConversion) { | 303 kNone_PMConversion != pmConversion) { |
| 305 // The PM conversions assume colors are 0..255 | 304 // The PM conversions assume colors are 0..255 |
| 306 return nullptr; | 305 return nullptr; |
| 307 } | 306 } |
| 308 return new GrConfigConversionEffect(texture, swizzle, pmConversion, matr
ix); | 307 return new GrConfigConversionEffect(texture, swizzle, pmConversion, matr
ix); |
| 309 } | 308 } |
| 310 } | 309 } |
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