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Add SkGpuDevice::asSpecial entry point

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GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2151033003

Review-Url: https://codereview.chromium.org/2151033003
This commit is contained in:
robertphillips 2016-07-15 08:01:12 -07:00 committed by Commit bot
parent 036e1831e0
commit 1b5f968103
2 changed files with 26 additions and 39 deletions
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64
src/gpu/SkGpuDevice.cpp
View File

@ -1252,7 +1252,7 @@ void SkGpuDevice::drawSprite(const SkDraw& draw, const SkBitmap& bitmap,
sk_sp<SkSpecialImage> srcImg(SkSpecialImage::MakeFromGpu(srcRect,
bitmap.getGenerationID(),
std::move(texture),
&fDrawContext->surfaceProps()));
&this->surfaceProps()));
this->drawSpecial(draw, srcImg.get(), left, top, paint);
}
@ -1262,6 +1262,9 @@ void SkGpuDevice::drawSpecial(const SkDraw& draw,
SkSpecialImage* special1,
int left, int top,
const SkPaint& paint) {
ASSERT_SINGLE_OWNER
CHECK_SHOULD_DRAW(draw);
GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawSpecial", fContext);
SkIPoint offset = { 0, 0 };
@ -1283,11 +1286,9 @@ void SkGpuDevice::drawSpecial(const SkDraw& draw,
SkPaint tmpUnfiltered(paint);
tmpUnfiltered.setImageFilter(nullptr);
bool alphaOnly = kAlpha_8_GrPixelConfig == texture->config();
GrPaint grPaint;
sk_sp<GrFragmentProcessor> fp(GrSimpleTextureEffect::Make(texture.get(), SkMatrix::I()));
if (alphaOnly) {
if (GrPixelConfigIsAlphaOnly(texture->config())) {
fp = GrFragmentProcessor::MulOutputByInputUnpremulColor(std::move(fp));
} else {
fp = GrFragmentProcessor::MulOutputByInputAlpha(std::move(fp));
@ -1398,52 +1399,37 @@ void SkGpuDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap,
this->drawTextureProducer(&maker, src, dst, constraint, *draw.fMatrix, fClip, paint);
}
sk_sp<SkSpecialImage> SkGpuDevice::asSpecial() {
sk_sp<GrTexture> texture(this->accessDrawContext()->asTexture());
if (!texture) {
return nullptr;
}
const SkImageInfo ii = this->imageInfo();
const SkIRect srcRect = SkIRect::MakeWH(ii.width(), ii.height());
return SkSpecialImage::MakeFromGpu(srcRect,
kNeedNewImageUniqueID_SpecialImage,
std::move(texture),
&this->surfaceProps());
}
void SkGpuDevice::drawDevice(const SkDraw& draw, SkBaseDevice* device,
int x, int y, const SkPaint& paint) {
int left, int top, const SkPaint& paint) {
ASSERT_SINGLE_OWNER
// clear of the source device must occur before CHECK_SHOULD_DRAW
GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawDevice", fContext);
SkGpuDevice* dev = static_cast<SkGpuDevice*>(device);
// drawDevice is defined to be in device coords.
CHECK_SHOULD_DRAW(draw);
sk_sp<GrTexture> devTex(dev->accessDrawContext()->asTexture());
if (!devTex) {
SkGpuDevice* dev = static_cast<SkGpuDevice*>(device);
sk_sp<SkSpecialImage> srcImg(dev->asSpecial());
if (!srcImg) {
return;
}
const SkImageInfo ii = dev->imageInfo();
int w = ii.width();
int h = ii.height();
SkASSERT(!paint.getImageFilter());
GrPaint grPaint;
sk_sp<GrFragmentProcessor> fp(GrSimpleTextureEffect::Make(devTex.get(), SkMatrix::I()));
if (GrPixelConfigIsAlphaOnly(devTex->config())) {
// Can this happen?
fp = GrFragmentProcessor::MulOutputByInputUnpremulColor(std::move(fp));
} else {
fp = GrFragmentProcessor::MulOutputByInputAlpha(std::move(fp));
}
if (!SkPaintToGrPaintReplaceShader(this->context(), paint, std::move(fp),
this->surfaceProps().isGammaCorrect(), &grPaint)) {
return;
}
SkRect dstRect = SkRect::MakeXYWH(SkIntToScalar(x),
SkIntToScalar(y),
SkIntToScalar(w),
SkIntToScalar(h));
// The device being drawn may not fill up its texture (e.g. saveLayer uses approximate
// scratch texture).
SkRect srcRect = SkRect::MakeWH(SK_Scalar1 * w / devTex->width(),
SK_Scalar1 * h / devTex->height());
fDrawContext->fillRectToRect(fClip, grPaint, SkMatrix::I(), dstRect, srcRect);
this->drawSpecial(draw, srcImg.get(), left, top, paint);
}
void SkGpuDevice::drawImage(const SkDraw& draw, const SkImage* image, SkScalar x, SkScalar y,

1
src/gpu/SkGpuDevice.h
View File

@ -131,6 +131,7 @@ public:
void drawBitmapNine(const SkDraw& draw, const SkBitmap& bitmap, const SkIRect& center,
const SkRect& dst, const SkPaint& paint) override;
sk_sp<SkSpecialImage> asSpecial();
void drawSpecial(const SkDraw& draw, SkSpecialImage*,
int left, int top, const SkPaint& paint);