diff options
Diffstat (limited to 'vcl/skia/gdiimpl.cxx')
| -rw-r--r-- | vcl/skia/gdiimpl.cxx | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/vcl/skia/gdiimpl.cxx b/vcl/skia/gdiimpl.cxx index c36184714adb..18bd87efdc88 100644 --- a/vcl/skia/gdiimpl.cxx +++ b/vcl/skia/gdiimpl.cxx @@ -209,6 +209,9 @@ void SkiaSalGraphicsImpl::createSurface() // Create surface for offscreen graphics. Subclasses will create GPU-backed // surfaces as appropriate. mSurface = SkSurface::MakeRasterN32Premul(GetWidth(), GetHeight()); +#ifdef DBG_UTIL + prefillSurface(); +#endif } void SkiaSalGraphicsImpl::destroySurface() @@ -1031,6 +1034,23 @@ void SkiaSalGraphicsImpl::dump(const SkBitmap& bitmap, const char* file) std::ofstream ostream(file, std::ios::binary); ostream.write(static_cast<const char*>(data->data()), data->size()); } + +void SkiaSalGraphicsImpl::prefillSurface() +{ + // Pre-fill the surface with deterministic garbage. + SkBitmap bitmap; + bitmap.allocN32Pixels(2, 2); + SkPMColor* scanline; + scanline = bitmap.getAddr32(0, 0); + *scanline++ = SkPreMultiplyARGB(0xFF, 0xBF, 0x80, 0x40); + *scanline++ = SkPreMultiplyARGB(0xFF, 0x40, 0x80, 0xBF); + scanline = bitmap.getAddr32(0, 1); + *scanline++ = SkPreMultiplyARGB(0xFF, 0xE3, 0x5C, 0x13); + *scanline++ = SkPreMultiplyARGB(0xFF, 0x13, 0x5C, 0xE3); + SkPaint paint; + paint.setShader(bitmap.makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat)); + mSurface->getCanvas()->drawPaint(paint); +} #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |