| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2011 The Android Open Source Project | 2 * Copyright 2011 The Android Open Source Project |
| 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 "SkAutoPixmapStorage.h" | 8 #include "SkAutoPixmapStorage.h" |
| 9 #include "SkColorPriv.h" | 9 #include "SkColorPriv.h" |
| 10 #include "SkGpuBlurUtils.h" | 10 #include "SkGpuBlurUtils.h" |
| 11 #include "SkOpts.h" | 11 #include "SkOpts.h" |
| 12 #include "SkReadBuffer.h" | 12 #include "SkReadBuffer.h" |
| 13 #include "SkSpecialImage.h" | 13 #include "SkSpecialImage.h" |
| 14 #include "SkWriteBuffer.h" | 14 #include "SkWriteBuffer.h" |
| 15 | 15 |
| 16 #if SK_SUPPORT_GPU | 16 #if SK_SUPPORT_GPU |
| 17 #include "GrContext.h" | 17 #include "GrContext.h" |
| 18 #include "GrTextureProxy.h" |
| 18 #include "SkGr.h" | 19 #include "SkGr.h" |
| 19 #endif | 20 #endif |
| 20 | 21 |
| 21 class SkBlurImageFilterImpl : public SkImageFilter { | 22 class SkBlurImageFilterImpl : public SkImageFilter { |
| 22 public: | 23 public: |
| 23 SkBlurImageFilterImpl(SkScalar sigmaX, | 24 SkBlurImageFilterImpl(SkScalar sigmaX, |
| 24 SkScalar sigmaY, | 25 SkScalar sigmaY, |
| 25 sk_sp<SkImageFilter> input, | 26 sk_sp<SkImageFilter> input, |
| 26 const CropRect* cropRect); | 27 const CropRect* cropRect); |
| 27 | 28 |
| (...skipping 75 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 103 *lowOffset = *highOffset = (d - 1) / 2; | 104 *lowOffset = *highOffset = (d - 1) / 2; |
| 104 *kernelSize3 = d; | 105 *kernelSize3 = d; |
| 105 } else { | 106 } else { |
| 106 *highOffset = d / 2; | 107 *highOffset = d / 2; |
| 107 *lowOffset = *highOffset - 1; | 108 *lowOffset = *highOffset - 1; |
| 108 *kernelSize3 = d + 1; | 109 *kernelSize3 = d + 1; |
| 109 } | 110 } |
| 110 } | 111 } |
| 111 | 112 |
| 112 sk_sp<SkSpecialImage> SkBlurImageFilterImpl::onFilterImage(SkSpecialImage* sourc
e, | 113 sk_sp<SkSpecialImage> SkBlurImageFilterImpl::onFilterImage(SkSpecialImage* sourc
e, |
| 113 const Context& ctx, | 114 const Context& ctx, |
| 114 SkIPoint* offset) const { | 115 SkIPoint* offset) con
st { |
| 115 SkIPoint inputOffset = SkIPoint::Make(0, 0); | 116 SkIPoint inputOffset = SkIPoint::Make(0, 0); |
| 116 | 117 |
| 117 sk_sp<SkSpecialImage> input(this->filterInput(0, source, ctx, &inputOffset))
; | 118 sk_sp<SkSpecialImage> input(this->filterInput(0, source, ctx, &inputOffset))
; |
| 118 if (!input) { | 119 if (!input) { |
| 119 return nullptr; | 120 return nullptr; |
| 120 } | 121 } |
| 121 | 122 |
| 122 SkIRect inputBounds = SkIRect::MakeXYWH(inputOffset.fX, inputOffset.fY, | 123 SkIRect inputBounds = SkIRect::MakeXYWH(inputOffset.fX, inputOffset.fY, |
| 123 input->width(), input->height()); | 124 input->width(), input->height()); |
| 124 | 125 |
| 125 SkIRect dstBounds; | 126 SkIRect dstBounds; |
| 126 if (!this->applyCropRect(this->mapContext(ctx), inputBounds, &dstBounds)) { | 127 if (!this->applyCropRect(this->mapContext(ctx), inputBounds, &dstBounds)) { |
| 127 return nullptr; | 128 return nullptr; |
| 128 } | 129 } |
| 129 if (!inputBounds.intersect(dstBounds)) { | 130 if (!inputBounds.intersect(dstBounds)) { |
| 130 return nullptr; | 131 return nullptr; |
| 131 } | 132 } |
| 132 | 133 |
| 133 const SkVector sigma = map_sigma(fSigma, ctx.ctm()); | 134 const SkVector sigma = map_sigma(fSigma, ctx.ctm()); |
| 134 | 135 |
| 135 #if SK_SUPPORT_GPU | 136 #if SK_SUPPORT_GPU |
| 136 if (source->isTextureBacked()) { | 137 if (source->isTextureBacked()) { |
| 137 GrContext* context = source->getContext(); | 138 GrContext* context = source->getContext(); |
| 138 sk_sp<GrTexture> inputTexture(input->asTextureRef(context)); | 139 sk_sp<GrTextureProxy> inputTexture(input->asTextureProxy(context)); |
| 139 SkASSERT(inputTexture); | 140 SkASSERT(inputTexture); |
| 140 | 141 |
| 141 if (0 == sigma.x() && 0 == sigma.y()) { | 142 if (0 == sigma.x() && 0 == sigma.y()) { |
| 142 offset->fX = inputBounds.x(); | 143 offset->fX = inputBounds.x(); |
| 143 offset->fY = inputBounds.y(); | 144 offset->fY = inputBounds.y(); |
| 144 return input->makeSubset(inputBounds.makeOffset(-inputOffset.x(), | 145 return input->makeSubset(inputBounds.makeOffset(-inputOffset.x(), |
| 145 -inputOffset.y())); | 146 -inputOffset.y())); |
| 146 } | 147 } |
| 147 | 148 |
| 148 offset->fX = dstBounds.fLeft; | 149 offset->fX = dstBounds.fLeft; |
| 149 offset->fY = dstBounds.fTop; | 150 offset->fY = dstBounds.fTop; |
| 150 inputBounds.offset(-inputOffset); | 151 inputBounds.offset(-inputOffset); |
| 151 dstBounds.offset(-inputOffset); | 152 dstBounds.offset(-inputOffset); |
| 152 // We intentionally use the source's color space, not the destination's
(from ctx). We | 153 // We intentionally use the source's color space, not the destination's
(from ctx). We |
| 153 // always blur in the source's config, so we need a compatible color spa
ce. We also want to | 154 // always blur in the source's config, so we need a compatible color spa
ce. We also want to |
| 154 // avoid doing gamut conversion on every fetch of the texture. | 155 // avoid doing gamut conversion on every fetch of the texture. |
| 155 sk_sp<GrRenderTargetContext> renderTargetContext(SkGpuBlurUtils::Gaussia
nBlur( | 156 sk_sp<GrRenderTargetContext> renderTargetContext(SkGpuBlurUtils::Gaussia
nBlur( |
| 156 context, | 157 context, |
| 157 inputTexture.get
(), | 158 inputTexture.get
(), |
| 158 sk_ref_sp(source
->getColorSpace()), | 159 sk_ref_sp(source
->getColorSpace()), |
| 159 dstBounds, | 160 dstBounds, |
| 160 &inputBounds, | 161 &inputBounds, |
| 161 sigma.x(), | 162 sigma.x(), |
| 162 sigma.y())); | 163 sigma.y())); |
| 163 if (!renderTargetContext) { | 164 if (!renderTargetContext) { |
| 164 return nullptr; | 165 return nullptr; |
| 165 } | 166 } |
| 166 | 167 |
| 167 // TODO: Get the colorSpace from the renderTargetContext (once it has on
e) | 168 // TODO: Get the colorSpace from the renderTargetContext (once it has on
e) |
| 168 return SkSpecialImage::MakeFromGpu(SkIRect::MakeWH(dstBounds.width(), ds
tBounds.height()), | 169 return SkSpecialImage::MakeDeferredFromGpu(SkIRect::MakeWH(dstBounds.wid
th(), |
| 169 kNeedNewImageUniqueID_SpecialImage, | 170 dstBounds.hei
ght()), |
| 170 renderTargetContext->asTexture(), | 171 kNeedNewImageUniqueID_Special
Image, |
| 171 sk_ref_sp(input->getColorSpace()), &s
ource->props()); | 172 renderTargetContext->asDeferr
edTexture(), |
| 173 sk_ref_sp(input->getColorSpac
e()), |
| 174 &source->props()); |
| 172 } | 175 } |
| 173 #endif | 176 #endif |
| 174 | 177 |
| 175 int kernelSizeX, kernelSizeX3, lowOffsetX, highOffsetX; | 178 int kernelSizeX, kernelSizeX3, lowOffsetX, highOffsetX; |
| 176 int kernelSizeY, kernelSizeY3, lowOffsetY, highOffsetY; | 179 int kernelSizeY, kernelSizeY3, lowOffsetY, highOffsetY; |
| 177 get_box3_params(sigma.x(), &kernelSizeX, &kernelSizeX3, &lowOffsetX, &highOf
fsetX); | 180 get_box3_params(sigma.x(), &kernelSizeX, &kernelSizeX3, &lowOffsetX, &highOf
fsetX); |
| 178 get_box3_params(sigma.y(), &kernelSizeY, &kernelSizeY3, &lowOffsetY, &highOf
fsetY); | 181 get_box3_params(sigma.y(), &kernelSizeY, &kernelSizeY3, &lowOffsetY, &highOf
fsetY); |
| 179 | 182 |
| 180 if (kernelSizeX < 0 || kernelSizeY < 0) { | 183 if (kernelSizeX < 0 || kernelSizeY < 0) { |
| 181 return nullptr; | 184 return nullptr; |
| (...skipping 100 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 282 str->appendf("SkBlurImageFilterImpl: ("); | 285 str->appendf("SkBlurImageFilterImpl: ("); |
| 283 str->appendf("sigma: (%f, %f) input (", fSigma.fWidth, fSigma.fHeight); | 286 str->appendf("sigma: (%f, %f) input (", fSigma.fWidth, fSigma.fHeight); |
| 284 | 287 |
| 285 if (this->getInput(0)) { | 288 if (this->getInput(0)) { |
| 286 this->getInput(0)->toString(str); | 289 this->getInput(0)->toString(str); |
| 287 } | 290 } |
| 288 | 291 |
| 289 str->append("))"); | 292 str->append("))"); |
| 290 } | 293 } |
| 291 #endif | 294 #endif |
| OLD | NEW |