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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 "SkGpuBlurUtils.h" | 8 #include "SkGpuBlurUtils.h" |
9 | 9 |
10 #include "SkRect.h" | 10 #include "SkRect.h" |
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47 const SkRect& srcRect, | 47 const SkRect& srcRect, |
48 const SkRect& dstRect, | 48 const SkRect& dstRect, |
49 GrTexture* texture, | 49 GrTexture* texture, |
50 Gr1DKernelEffect::Direction direction, | 50 Gr1DKernelEffect::Direction direction, |
51 int radius, | 51 int radius, |
52 float sigma, | 52 float sigma, |
53 bool useBounds, | 53 bool useBounds, |
54 float bounds[2]) { | 54 float bounds[2]) { |
55 GrPaint paint; | 55 GrPaint paint; |
56 paint.reset(); | 56 paint.reset(); |
57 SkAutoTUnref<GrEffectRef> conv(GrConvolutionEffect::CreateGaussian( | 57 SkAutoTUnref<GrEffect> conv(GrConvolutionEffect::CreateGaussian( |
58 texture, direction, radius, sigma, useBounds, bounds)); | 58 texture, direction, radius, sigma, useBounds, bounds)); |
59 paint.reset(); | 59 paint.reset(); |
60 paint.addColorEffect(conv); | 60 paint.addColorEffect(conv); |
61 context->drawRectToRect(paint, dstRect, srcRect); | 61 context->drawRectToRect(paint, dstRect, srcRect); |
62 } | 62 } |
63 | 63 |
64 static void convolve_gaussian(GrContext* context, | 64 static void convolve_gaussian(GrContext* context, |
65 const SkRect& srcRect, | 65 const SkRect& srcRect, |
66 const SkRect& dstRect, | 66 const SkRect& dstRect, |
67 GrTexture* texture, | 67 GrTexture* texture, |
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167 SkMatrix matrix; | 167 SkMatrix matrix; |
168 matrix.setIDiv(srcTexture->width(), srcTexture->height()); | 168 matrix.setIDiv(srcTexture->width(), srcTexture->height()); |
169 context->setRenderTarget(dstTexture->asRenderTarget()); | 169 context->setRenderTarget(dstTexture->asRenderTarget()); |
170 SkRect dstRect(srcRect); | 170 SkRect dstRect(srcRect); |
171 if (cropToRect && i == 1) { | 171 if (cropToRect && i == 1) { |
172 dstRect.offset(-dstRect.fLeft, -dstRect.fTop); | 172 dstRect.offset(-dstRect.fLeft, -dstRect.fTop); |
173 SkRect domain; | 173 SkRect domain; |
174 matrix.mapRect(&domain, rect); | 174 matrix.mapRect(&domain, rect); |
175 domain.inset(i < scaleFactorX ? SK_ScalarHalf / srcTexture->width()
: 0.0f, | 175 domain.inset(i < scaleFactorX ? SK_ScalarHalf / srcTexture->width()
: 0.0f, |
176 i < scaleFactorY ? SK_ScalarHalf / srcTexture->height()
: 0.0f); | 176 i < scaleFactorY ? SK_ScalarHalf / srcTexture->height()
: 0.0f); |
177 SkAutoTUnref<GrEffectRef> effect(GrTextureDomainEffect::Create( | 177 SkAutoTUnref<GrEffect> effect(GrTextureDomainEffect::Create( |
178 srcTexture, | 178 srcTexture, |
179 matrix, | 179 matrix, |
180 domain, | 180 domain, |
181 GrTextureDomain::kDecal_Mode, | 181 GrTextureDomain::kDecal_Mode, |
182 GrTextureParams::kBilerp_FilterMode)); | 182 GrTextureParams::kBilerp_FilterMode)); |
183 paint.addColorEffect(effect); | 183 paint.addColorEffect(effect); |
184 } else { | 184 } else { |
185 GrTextureParams params(SkShader::kClamp_TileMode, GrTextureParams::k
Bilerp_FilterMode); | 185 GrTextureParams params(SkShader::kClamp_TileMode, GrTextureParams::k
Bilerp_FilterMode); |
186 paint.addColorTextureEffect(srcTexture, matrix, params); | 186 paint.addColorTextureEffect(srcTexture, matrix, params); |
187 } | 187 } |
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261 } else if (srcTexture == temp2.texture()) { | 261 } else if (srcTexture == temp2.texture()) { |
262 return temp2.detach(); | 262 return temp2.detach(); |
263 } else { | 263 } else { |
264 srcTexture->ref(); | 264 srcTexture->ref(); |
265 return srcTexture; | 265 return srcTexture; |
266 } | 266 } |
267 } | 267 } |
268 #endif | 268 #endif |
269 | 269 |
270 } | 270 } |
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