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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 "SkAlphaThresholdFilter.h" | 8 #include "SkAlphaThresholdFilter.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkReadBuffer.h" | 10 #include "SkReadBuffer.h" |
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265 , fOuterThreshold(outerThreshold) { | 265 , fOuterThreshold(outerThreshold) { |
266 } | 266 } |
267 | 267 |
268 #if SK_SUPPORT_GPU | 268 #if SK_SUPPORT_GPU |
269 bool SkAlphaThresholdFilterImpl::asFragmentProcessor(GrFragmentProcessor** fp, | 269 bool SkAlphaThresholdFilterImpl::asFragmentProcessor(GrFragmentProcessor** fp, |
270 GrTexture* texture, | 270 GrTexture* texture, |
271 const SkMatrix& in_matrix, | 271 const SkMatrix& in_matrix, |
272 const SkIRect&) const { | 272 const SkIRect&) const { |
273 if (fp) { | 273 if (fp) { |
274 GrContext* context = texture->getContext(); | 274 GrContext* context = texture->getContext(); |
275 GrTextureDesc maskDesc; | 275 GrSurfaceDesc maskDesc; |
276 if (context->isConfigRenderable(kAlpha_8_GrPixelConfig, false)) { | 276 if (context->isConfigRenderable(kAlpha_8_GrPixelConfig, false)) { |
277 maskDesc.fConfig = kAlpha_8_GrPixelConfig; | 277 maskDesc.fConfig = kAlpha_8_GrPixelConfig; |
278 } else { | 278 } else { |
279 maskDesc.fConfig = kRGBA_8888_GrPixelConfig; | 279 maskDesc.fConfig = kRGBA_8888_GrPixelConfig; |
280 } | 280 } |
281 maskDesc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureF
lagBit; | 281 maskDesc.fFlags = kRenderTarget_GrSurfaceFlag | kNoStencil_GrSurfaceFlag
; |
282 // Add one pixel of border to ensure that clamp mode will be all zeros | 282 // Add one pixel of border to ensure that clamp mode will be all zeros |
283 // the outside. | 283 // the outside. |
284 maskDesc.fWidth = texture->width(); | 284 maskDesc.fWidth = texture->width(); |
285 maskDesc.fHeight = texture->height(); | 285 maskDesc.fHeight = texture->height(); |
286 SkAutoTUnref<GrTexture> maskTexture( | 286 SkAutoTUnref<GrTexture> maskTexture( |
287 context->refScratchTexture(maskDesc, GrContext::kApprox_ScratchTexMa
tch)); | 287 context->refScratchTexture(maskDesc, GrContext::kApprox_ScratchTexMa
tch)); |
288 if (!maskTexture) { | 288 if (!maskTexture) { |
289 return false; | 289 return false; |
290 } | 290 } |
291 | 291 |
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377 (U8CPU)(SkColorGetG(source) *
scale), | 377 (U8CPU)(SkColorGetG(source) *
scale), |
378 (U8CPU)(SkColorGetB(source) *
scale)); | 378 (U8CPU)(SkColorGetB(source) *
scale)); |
379 } | 379 } |
380 } | 380 } |
381 dptr[y * dst->width() + x] = output_color; | 381 dptr[y * dst->width() + x] = output_color; |
382 } | 382 } |
383 } | 383 } |
384 | 384 |
385 return true; | 385 return true; |
386 } | 386 } |
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