diff options
| author | Luboš Luňák <l.lunak@collabora.com> | 2021-11-11 20:51:55 +0100 |
|---|---|---|
| committer | Luboš Luňák <l.lunak@collabora.com> | 2021-11-12 18:49:39 +0100 |
| commit | 110fa313628c55fef1d35830358aea7e27c1e3ee (patch) | |
| tree | 6a7f817e299093d1c3db916897dcd3eaf968f191 /vcl/inc/skia | |
| parent | 754697f0dcd63e1f0ce2edd70ab8b42b1b4d4484 (diff) | |
get rid of Skia's 'rasterhack' for Invert()
It seems that manually writing a shader that does the same
as SkBlendMode::kDifference works fine even though the blend mode
crashes e.g. on Windows/AMD. So get rid of the memory<->GPU
conversions and use the shader as a workaround.
Change-Id: I971deeeb98f40e5ffa90f6a8dd7b0b21ec491c1a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/125101
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
Diffstat (limited to 'vcl/inc/skia')
| -rw-r--r-- | vcl/inc/skia/utils.hxx | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/vcl/inc/skia/utils.hxx b/vcl/inc/skia/utils.hxx index 0bcc5989493e..ba479c58f234 100644 --- a/vcl/inc/skia/utils.hxx +++ b/vcl/inc/skia/utils.hxx @@ -71,6 +71,9 @@ VCL_DLLPUBLIC sk_sp<SkImage> makeCheckedImageSnapshot(sk_sp<SkSurface> surface, inline Size imageSize(const sk_sp<SkImage>& image) { return Size(image->width(), image->height()); } +// Do 'paint->setBlendMode(SkBlendMode::kDifference)' (workaround for buggy drivers). +void setBlendModeDifference(SkPaint* paint); + // Must be called in any VCL backend before any Skia functionality is used. // If not set, Skia will be disabled. VCL_DLLPUBLIC void |