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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<GrEffect> conv(GrConvolutionEffect::CreateGaussian( | 57 SkAutoTUnref<GrFragmentProcessor> 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.addColorProcessor(conv); |
61 context->drawRectToRect(paint, dstRect, srcRect); | 61 context->drawRectToRect(paint, dstRect, srcRect); |
62 } | 62 } |
63 | 63 |
64 static void convolve_gaussian_2d(GrContext* context, | 64 static void convolve_gaussian_2d(GrContext* context, |
65 const SkRect& srcRect, | 65 const SkRect& srcRect, |
66 const SkRect& dstRect, | 66 const SkRect& dstRect, |
67 GrTexture* texture, | 67 GrTexture* texture, |
68 int radiusX, | 68 int radiusX, |
69 int radiusY, | 69 int radiusY, |
70 SkScalar sigmaX, | 70 SkScalar sigmaX, |
71 SkScalar sigmaY, | 71 SkScalar sigmaY, |
72 bool useBounds, | 72 bool useBounds, |
73 SkIRect bounds) { | 73 SkIRect bounds) { |
74 SkISize size = SkISize::Make(2 * radiusX + 1, 2 * radiusY + 1); | 74 SkISize size = SkISize::Make(2 * radiusX + 1, 2 * radiusY + 1); |
75 SkIPoint kernelOffset = SkIPoint::Make(radiusX, radiusY); | 75 SkIPoint kernelOffset = SkIPoint::Make(radiusX, radiusY); |
76 GrPaint paint; | 76 GrPaint paint; |
77 paint.reset(); | 77 paint.reset(); |
78 SkAutoTUnref<GrEffect> conv(GrMatrixConvolutionEffect::CreateGaussian( | 78 SkAutoTUnref<GrFragmentProcessor> conv(GrMatrixConvolutionEffect::CreateGaus
sian( |
79 texture, bounds, size, 1.0, 0.0, kernelOffset, | 79 texture, bounds, size, 1.0, 0.0, kernelOffset, |
80 useBounds ? GrTextureDomain::kClamp_Mode : GrTextureDomain::kIgnore_
Mode, | 80 useBounds ? GrTextureDomain::kClamp_Mode : GrTextureDomain::kIgnore_
Mode, |
81 true, sigmaX, sigmaY)); | 81 true, sigmaX, sigmaY)); |
82 paint.reset(); | 82 paint.reset(); |
83 paint.addColorEffect(conv); | 83 paint.addColorProcessor(conv); |
84 context->drawRectToRect(paint, dstRect, srcRect); | 84 context->drawRectToRect(paint, dstRect, srcRect); |
85 } | 85 } |
86 | 86 |
87 static void convolve_gaussian(GrContext* context, | 87 static void convolve_gaussian(GrContext* context, |
88 const SkRect& srcRect, | 88 const SkRect& srcRect, |
89 const SkRect& dstRect, | 89 const SkRect& dstRect, |
90 GrTexture* texture, | 90 GrTexture* texture, |
91 Gr1DKernelEffect::Direction direction, | 91 Gr1DKernelEffect::Direction direction, |
92 int radius, | 92 int radius, |
93 float sigma, | 93 float sigma, |
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190 SkMatrix matrix; | 190 SkMatrix matrix; |
191 matrix.setIDiv(srcTexture->width(), srcTexture->height()); | 191 matrix.setIDiv(srcTexture->width(), srcTexture->height()); |
192 context->setRenderTarget(dstTexture->asRenderTarget()); | 192 context->setRenderTarget(dstTexture->asRenderTarget()); |
193 SkRect dstRect(srcRect); | 193 SkRect dstRect(srcRect); |
194 if (cropToRect && i == 1) { | 194 if (cropToRect && i == 1) { |
195 dstRect.offset(-dstRect.fLeft, -dstRect.fTop); | 195 dstRect.offset(-dstRect.fLeft, -dstRect.fTop); |
196 SkRect domain; | 196 SkRect domain; |
197 matrix.mapRect(&domain, rect); | 197 matrix.mapRect(&domain, rect); |
198 domain.inset(i < scaleFactorX ? SK_ScalarHalf / srcTexture->width()
: 0.0f, | 198 domain.inset(i < scaleFactorX ? SK_ScalarHalf / srcTexture->width()
: 0.0f, |
199 i < scaleFactorY ? SK_ScalarHalf / srcTexture->height()
: 0.0f); | 199 i < scaleFactorY ? SK_ScalarHalf / srcTexture->height()
: 0.0f); |
200 SkAutoTUnref<GrEffect> effect(GrTextureDomainEffect::Create( | 200 SkAutoTUnref<GrFragmentProcessor> fp(GrTextureDomainEffect::Create( |
201 srcTexture, | 201 srcTexture, |
202 matrix, | 202 matrix, |
203 domain, | 203 domain, |
204 GrTextureDomain::kDecal_Mode, | 204 GrTextureDomain::kDecal_Mode, |
205 GrTextureParams::kBilerp_FilterMode)); | 205 GrTextureParams::kBilerp_FilterMode)); |
206 paint.addColorEffect(effect); | 206 paint.addColorProcessor(fp); |
207 } else { | 207 } else { |
208 GrTextureParams params(SkShader::kClamp_TileMode, GrTextureParams::k
Bilerp_FilterMode); | 208 GrTextureParams params(SkShader::kClamp_TileMode, GrTextureParams::k
Bilerp_FilterMode); |
209 paint.addColorTextureEffect(srcTexture, matrix, params); | 209 paint.addColorTextureProcessor(srcTexture, matrix, params); |
210 } | 210 } |
211 scale_rect(&dstRect, i < scaleFactorX ? 0.5f : 1.0f, | 211 scale_rect(&dstRect, i < scaleFactorX ? 0.5f : 1.0f, |
212 i < scaleFactorY ? 0.5f : 1.0f); | 212 i < scaleFactorY ? 0.5f : 1.0f); |
213 context->drawRectToRect(paint, dstRect, srcRect); | 213 context->drawRectToRect(paint, dstRect, srcRect); |
214 srcRect = dstRect; | 214 srcRect = dstRect; |
215 srcTexture = dstTexture; | 215 srcTexture = dstTexture; |
216 SkTSwap(dstTexture, tempTexture); | 216 SkTSwap(dstTexture, tempTexture); |
217 } | 217 } |
218 | 218 |
219 SkIRect srcIRect; | 219 SkIRect srcIRect; |
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279 clearRect = SkIRect::MakeXYWH(srcIRect.fRight, srcIRect.fTop, | 279 clearRect = SkIRect::MakeXYWH(srcIRect.fRight, srcIRect.fTop, |
280 1, srcIRect.height()); | 280 1, srcIRect.height()); |
281 context->clear(&clearRect, 0x0, false); | 281 context->clear(&clearRect, 0x0, false); |
282 SkMatrix matrix; | 282 SkMatrix matrix; |
283 matrix.setIDiv(srcTexture->width(), srcTexture->height()); | 283 matrix.setIDiv(srcTexture->width(), srcTexture->height()); |
284 context->setRenderTarget(dstTexture->asRenderTarget()); | 284 context->setRenderTarget(dstTexture->asRenderTarget()); |
285 | 285 |
286 GrPaint paint; | 286 GrPaint paint; |
287 // FIXME: this should be mitchell, not bilinear. | 287 // FIXME: this should be mitchell, not bilinear. |
288 GrTextureParams params(SkShader::kClamp_TileMode, GrTextureParams::kBile
rp_FilterMode); | 288 GrTextureParams params(SkShader::kClamp_TileMode, GrTextureParams::kBile
rp_FilterMode); |
289 paint.addColorTextureEffect(srcTexture, matrix, params); | 289 paint.addColorTextureProcessor(srcTexture, matrix, params); |
290 | 290 |
291 SkRect dstRect(srcRect); | 291 SkRect dstRect(srcRect); |
292 scale_rect(&dstRect, (float) scaleFactorX, (float) scaleFactorY); | 292 scale_rect(&dstRect, (float) scaleFactorX, (float) scaleFactorY); |
293 context->drawRectToRect(paint, dstRect, srcRect); | 293 context->drawRectToRect(paint, dstRect, srcRect); |
294 srcRect = dstRect; | 294 srcRect = dstRect; |
295 srcTexture = dstTexture; | 295 srcTexture = dstTexture; |
296 SkTSwap(dstTexture, tempTexture); | 296 SkTSwap(dstTexture, tempTexture); |
297 } | 297 } |
298 if (srcTexture == temp1.texture()) { | 298 if (srcTexture == temp1.texture()) { |
299 return temp1.detach(); | 299 return temp1.detach(); |
300 } else if (srcTexture == temp2.texture()) { | 300 } else if (srcTexture == temp2.texture()) { |
301 return temp2.detach(); | 301 return temp2.detach(); |
302 } else { | 302 } else { |
303 srcTexture->ref(); | 303 srcTexture->ref(); |
304 return srcTexture; | 304 return srcTexture; |
305 } | 305 } |
306 } | 306 } |
307 #endif | 307 #endif |
308 | 308 |
309 } | 309 } |
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