writePixels should notify GPU that pixels have changed
R=reed@google.com,robertphillips@google.com Bug: skia:7644 Change-Id: I469c537a649e4d8d05a78cedb26caa3057d824c1 Reviewed-on: https://skia-review.googlesource.com/108961 Reviewed-by: Robert Phillips <robertphillips@google.com> Commit-Queue: Cary Clark <caryclark@google.com>
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@ -54,3 +54,28 @@ static GM* MyFactory(void*) { return new CopyTo4444GM; }
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static GMRegistry reg(MyFactory);
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static GMRegistry reg(MyFactory);
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}
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}
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DEF_SIMPLE_GM(format4444, canvas, 64, 64) {
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canvas->scale(16, 16);
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SkBitmap bitmap;
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SkImageInfo imageInfo = SkImageInfo::Make(1, 1, kARGB_4444_SkColorType, kPremul_SkAlphaType);
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bitmap.allocPixels(imageInfo);
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SkCanvas offscreen(bitmap);
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offscreen.clear(SK_ColorRED);
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canvas->drawBitmap(bitmap, 0, 0);
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offscreen.clear(SK_ColorBLUE);
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canvas->drawBitmap(bitmap, 1, 1);
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auto pack4444 = [](unsigned a, unsigned r, unsigned g, unsigned b) -> uint16_t {
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return (a << 0) | (b << 4) | (g << 8) | (r << 12);
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};
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uint16_t red4444 = pack4444(0xF, 0xF, 0x0, 0x0);
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uint16_t blue4444 = pack4444(0xF, 0x0, 0x0, 0x0F);
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SkPixmap redPixmap(imageInfo, &red4444, 2);
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if (bitmap.writePixels(redPixmap, 0, 0)) {
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canvas->drawBitmap(bitmap, 2, 2);
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}
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SkPixmap bluePixmap(imageInfo, &blue4444, 2);
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if (bitmap.writePixels(bluePixmap, 0, 0)) {
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canvas->drawBitmap(bitmap, 3, 3);
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}
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}
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@ -500,6 +500,7 @@ bool SkBitmap::writePixels(const SkPixmap& src, int dstX, int dstY,
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const SkImageInfo dstInfo = this->info().makeWH(rec.fInfo.width(), rec.fInfo.height());
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const SkImageInfo dstInfo = this->info().makeWH(rec.fInfo.width(), rec.fInfo.height());
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SkConvertPixels(dstInfo, dstPixels, this->rowBytes(), rec.fInfo, rec.fPixels, rec.fRowBytes,
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SkConvertPixels(dstInfo, dstPixels, this->rowBytes(), rec.fInfo, rec.fPixels, rec.fRowBytes,
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nullptr, behavior);
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nullptr, behavior);
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this->notifyPixelsChanged();
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return true;
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return true;
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}
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}
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