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have MakeFromImage fission the SkImage into a raster or a texture

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BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2167813002

Review-Url: https://codereview.chromium.org/2167813002
This commit is contained in:
reed 2016-07-20 14:22:37 -07:00 committed by Commit bot
parent dddbe380b0
commit a61bfc6292
1 changed files with 20 additions and 138 deletions
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158
src/core/SkSpecialImage.cpp
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@ -4,19 +4,25 @@
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file
*/
#include "SkSpecialImage.h"
#if SK_SUPPORT_GPU
#include "GrTexture.h"
#include "GrTextureParams.h"
#include "SkGr.h"
#endif
#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
// Currently the raster imagefilters can only handle certain imageinfos. Call this to know if
// a given info is supported.
@ -160,131 +166,6 @@ 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) {
@ -304,17 +185,18 @@ sk_sp<SkSpecialImage> SkSpecialImage::MakeFromImage(const SkIRect& subset,
const SkSurfaceProps* props) {
SkASSERT(rect_fits(subset, image->width(), image->height()));
if (valid_for_imagefilters(as_IB(image.get())->onImageInfo())) {
return sk_make_sp<SkSpecialImage_Image>(subset, image, props);
if (GrTexture* texture = as_IB(image)->peekTexture()) {
return MakeFromGpu(subset, image->uniqueID(), sk_ref_sp(texture), props);
} else {
return nullptr;
SkBitmap bm;
if (as_IB(image)->getROPixels(&bm)) {
return MakeFromRaster(subset, bm, props);
}
}
return nullptr;
}
///////////////////////////////////////////////////////////////////////////////
#include "SkBitmap.h"
#include "SkImageInfo.h"
#include "SkPixelRef.h"
class SkSpecialImage_Raster : public SkSpecialImage_Base {
public: