diff options
Diffstat (limited to 'src/core/SkBitmapProcShader.cpp')
| -rw-r--r-- | src/core/SkBitmapProcShader.cpp | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/src/core/SkBitmapProcShader.cpp b/src/core/SkBitmapProcShader.cpp index 6685397871..bd4fece96b 100644 --- a/src/core/SkBitmapProcShader.cpp +++ b/src/core/SkBitmapProcShader.cpp @@ -72,13 +72,6 @@ static bool only_scale_and_translate(const SkMatrix& matrix) { return (matrix.getType() & ~mask) == 0; } -// return true if the config can possibly have per-pixel alpha, ignoring the -// current setting of isOpaque. -static bool canSupportPerPixelAlpha(const SkBitmap& bm) { - // return true unless we're guaranteed to be opaque - return bm.config() != SkBitmap::kRGB_565_Config; -} - bool SkBitmapProcShader::setContext(const SkBitmap& device, const SkPaint& paint, const SkMatrix& matrix) { @@ -101,22 +94,6 @@ bool SkBitmapProcShader::setContext(const SkBitmap& device, const SkBitmap& bitmap = *fState.fBitmap; bool bitmapIsOpaque = bitmap.isOpaque(); - // filtering doesn't guarantee that opaque stays opaque (finite precision) - // so pretend we're not opaque if we're being asked to filter. If we had - // more blit-procs, we could specialize on opaque src, and just OR in 0xFF - // after the filter to be sure... - /* - (some time later) - Adding check for canSupportPerPixelAlpha, since bitmaps that are 565 - (for example) will *always* be opaque, even after filtering. - - Would be really nice to never do this, if we could ensure that - filtering didn't introduct non-opaqueness accidentally. - */ - if (paint.isFilterBitmap() && canSupportPerPixelAlpha(bitmap)) { - bitmapIsOpaque = false; - } - // update fFlags uint32_t flags = 0; if (bitmapIsOpaque && (255 == this->getPaintAlpha())) { |