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simplify composing raster surface into window

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BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2820

Change-Id: Ifce7bce8b764d2dea02733d823396576a7da609f
Reviewed-on: https://skia-review.googlesource.com/2820
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Mike Reed <reed@google.com>
This commit is contained in:
Mike Reed 2016-09-29 14:12:11 -04:00 committed by Skia Commit-Bot
parent ad7cb810dc
commit 5cf7b6175e
1 changed files with 2 additions and 13 deletions
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15
example/HelloWorld.cpp
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@ -139,24 +139,13 @@ void HelloWorldWindow::drawContents(SkCanvas* canvas) {
void HelloWorldWindow::draw(SkCanvas* canvas) {
this->drawContents(canvas);
// in case we have queued drawing calls
fContext->flush();
// Invalidate the window to force a redraw. Poor man's animation mechanism.
this->inval(NULL);
if (kRaster_DeviceType == fType) {
// need to send the raster bits to the (gpu) window
sk_sp<SkImage> snap = fRasterSurface->makeImageSnapshot();
SkPixmap pmap;
if (snap->peekPixels(&pmap)) {
const SkImageInfo& info = pmap.info();
SkCanvas* canvas = fGpuSurface->getCanvas();
canvas->writePixels(info, pmap.addr(), pmap.rowBytes(), 0, 0);
canvas->flush();
}
fRasterSurface->draw(fGpuSurface->getCanvas(), 0, 0, nullptr);
}
fGpuSurface->getCanvas()->flush();
INHERITED::present();
}