diff options
-rw-r--r-- | src/core/SkSpecialImage.cpp | 156 |
1 files changed, 137 insertions, 19 deletions
diff --git a/src/core/SkSpecialImage.cpp b/src/core/SkSpecialImage.cpp index 6ce980a1d5..4a3e46e117 100644 --- a/src/core/SkSpecialImage.cpp +++ b/src/core/SkSpecialImage.cpp @@ -4,26 +4,20 @@ * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file */ - #include "SkSpecialImage.h" -#include "SkBitmap.h" -#include "SkImage.h" -#include "SkBitmapCache.h" -#include "SkCanvas.h" -#include "SkImage_Base.h" -#include "SkSpecialSurface.h" -#include "SkSurfacePriv.h" -#include "SkPixelRef.h" #if SK_SUPPORT_GPU -#include "GrContext.h" #include "GrTexture.h" #include "GrTextureParams.h" #include "SkGr.h" -#include "SkGrPixelRef.h" -#include "SkGrPriv.h" #endif +#include "SkBitmapCache.h" +#include "SkCanvas.h" +#include "SkImage_Base.h" +#include "SkSpecialSurface.h" +#include "SkSurfacePriv.h" + // Currently the raster imagefilters can only handle certain imageinfos. Call this to know if // a given info is supported. static bool valid_for_imagefilters(const SkImageInfo& info) { @@ -166,6 +160,131 @@ sk_sp<SkImage> SkSpecialImage::makeTightSubset(const SkIRect& subset) const { return as_SIB(this)->onMakeTightSubset(subset); } +#if SK_SUPPORT_GPU +#include "SkGr.h" +#include "SkGrPixelRef.h" +#endif + +/////////////////////////////////////////////////////////////////////////////// +#include "SkImage.h" +#if SK_SUPPORT_GPU +#include "GrContext.h" +#include "SkGrPriv.h" +#endif + +class SkSpecialImage_Image : public SkSpecialImage_Base { +public: + SkSpecialImage_Image(const SkIRect& subset, + sk_sp<SkImage> image, + const SkSurfaceProps* props) + : INHERITED(subset, image->uniqueID(), props) + , fImage(image) { + } + + ~SkSpecialImage_Image() override { } + + bool isOpaque() const override { return fImage->isOpaque(); } + + size_t getSize() const override { +#if SK_SUPPORT_GPU + if (GrTexture* texture = as_IB(fImage.get())->peekTexture()) { + return texture->gpuMemorySize(); + } else +#endif + { + SkPixmap pm; + if (fImage->peekPixels(&pm)) { + return pm.height() * pm.rowBytes(); + } + } + return 0; + } + + void onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, const SkPaint* paint) const override { + SkRect dst = SkRect::MakeXYWH(x, y, this->subset().width(), this->subset().height()); + + canvas->drawImageRect(fImage.get(), this->subset(), + dst, paint, SkCanvas::kStrict_SrcRectConstraint); + } + + bool onGetROPixels(SkBitmap* bm) const override { + return as_IB(fImage)->getROPixels(bm); + } + + GrTexture* onPeekTexture() const override { return as_IB(fImage)->peekTexture(); } + +#if SK_SUPPORT_GPU + sk_sp<GrTexture> onAsTextureRef(GrContext* context) const override { + return sk_sp<GrTexture>(as_IB(fImage)->asTextureRef(context, + GrTextureParams::ClampNoFilter(), + SkSourceGammaTreatment::kRespect)); + } +#endif + + bool getBitmapDeprecated(SkBitmap* result) const override { +#if SK_SUPPORT_GPU + if (GrTexture* texture = as_IB(fImage.get())->peekTexture()) { + const SkImageInfo info = GrMakeInfoFromTexture(texture, + fImage->width(), fImage->height(), + fImage->isOpaque()); + if (!result->setInfo(info)) { + return false; + } + + result->setPixelRef(new SkGrPixelRef(info, texture))->unref(); + return true; + } +#endif + + return as_IB(fImage.get())->asBitmapForImageFilters(result); + } + + sk_sp<SkSpecialSurface> onMakeSurface(const SkImageInfo& info) const override { +#if SK_SUPPORT_GPU + GrTexture* texture = as_IB(fImage.get())->peekTexture(); + if (texture) { + GrPixelConfig config = SkImageInfo2GrPixelConfig(info, *texture->getContext()->caps()); + + return SkSpecialSurface::MakeRenderTarget(texture->getContext(), + info.width(), + info.height(), + config); + } +#endif + return SkSpecialSurface::MakeRaster(info, nullptr); + } + + sk_sp<SkSpecialImage> onMakeSubset(const SkIRect& subset) const override { + sk_sp<SkImage> subsetImg(fImage->makeSubset(subset)); + if (!subsetImg) { + return nullptr; + } + + return SkSpecialImage::MakeFromImage(SkIRect::MakeWH(subset.width(), subset.height()), + subsetImg, + &this->props()); + } + + sk_sp<SkImage> onMakeTightSubset(const SkIRect& subset) const override { + return fImage->makeSubset(subset); + } + + sk_sp<SkSurface> onMakeTightSurface(const SkImageInfo& info) const override { +#if SK_SUPPORT_GPU + GrTexture* texture = as_IB(fImage.get())->peekTexture(); + if (texture) { + return SkSurface::MakeRenderTarget(texture->getContext(), SkBudgeted::kYes, info); + } +#endif + return SkSurface::MakeRaster(info, nullptr); + } + +private: + sk_sp<SkImage> fImage; + + typedef SkSpecialImage_Base INHERITED; +}; + #ifdef SK_DEBUG static bool rect_fits(const SkIRect& rect, int width, int height) { if (0 == width && 0 == height) { @@ -185,18 +304,17 @@ sk_sp<SkSpecialImage> SkSpecialImage::MakeFromImage(const SkIRect& subset, const SkSurfaceProps* props) { SkASSERT(rect_fits(subset, image->width(), image->height())); - if (GrTexture* texture = as_IB(image)->peekTexture()) { - return MakeFromGpu(subset, image->uniqueID(), sk_ref_sp(texture), props); + if (valid_for_imagefilters(as_IB(image.get())->onImageInfo())) { + return sk_make_sp<SkSpecialImage_Image>(subset, image, props); } else { - SkBitmap bm; - if (as_IB(image)->getROPixels(&bm)) { - return MakeFromRaster(subset, bm, props); - } + return nullptr; } - return nullptr; } /////////////////////////////////////////////////////////////////////////////// +#include "SkBitmap.h" +#include "SkImageInfo.h" +#include "SkPixelRef.h" class SkSpecialImage_Raster : public SkSpecialImage_Base { public: |