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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /gfx/cairo/quartz-optimize-OVER.patch
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/cairo/quartz-optimize-OVER.patch')
-rw-r--r--gfx/cairo/quartz-optimize-OVER.patch71
1 files changed, 71 insertions, 0 deletions
diff --git a/gfx/cairo/quartz-optimize-OVER.patch b/gfx/cairo/quartz-optimize-OVER.patch
new file mode 100644
index 0000000000..2c587459b4
--- /dev/null
+++ b/gfx/cairo/quartz-optimize-OVER.patch
@@ -0,0 +1,71 @@
+From: Robert O'Callahan <robert@ocallahan.org>
+Bug 579885. Part 4: Paint opaque surfaces using kPrivateCGCompositeCopy when possible. r=jrmuizel,a=blocking
+
+diff --git a/gfx/cairo/cairo/src/cairo-quartz-surface.c b/gfx/cairo/cairo/src/cairo-quartz-surface.c
+--- a/gfx/cairo/cairo/src/cairo-quartz-surface.c
++++ b/gfx/cairo/cairo/src/cairo-quartz-surface.c
+@@ -122,16 +122,17 @@ static void (*CGContextClipToMaskPtr) (C
+ static void (*CGContextDrawTiledImagePtr) (CGContextRef, CGRect, CGImageRef) = NULL;
+ static unsigned int (*CGContextGetTypePtr) (CGContextRef) = NULL;
+ static void (*CGContextSetShouldAntialiasFontsPtr) (CGContextRef, bool) = NULL;
+ static bool (*CGContextGetShouldAntialiasFontsPtr) (CGContextRef) = NULL;
+ static bool (*CGContextGetShouldSmoothFontsPtr) (CGContextRef) = NULL;
+ static void (*CGContextSetAllowsFontSmoothingPtr) (CGContextRef, bool) = NULL;
+ static bool (*CGContextGetAllowsFontSmoothingPtr) (CGContextRef) = NULL;
+ static void (*CGContextReplacePathWithClipPathPtr) (CGContextRef) = NULL;
++static CGFloat (*CGContextGetAlphaPtr) (CGContextRef) = NULL;
+
+ static SInt32 _cairo_quartz_osx_version = 0x0;
+
+ static cairo_bool_t _cairo_quartz_symbol_lookup_done = FALSE;
+
+ /*
+ * Utility functions
+ */
+@@ -157,16 +158,17 @@ static void quartz_ensure_symbols(void)
+ CGContextDrawTiledImagePtr = dlsym(RTLD_DEFAULT, "CGContextDrawTiledImage");
+ CGContextGetTypePtr = dlsym(RTLD_DEFAULT, "CGContextGetType");
+ CGContextSetShouldAntialiasFontsPtr = dlsym(RTLD_DEFAULT, "CGContextSetShouldAntialiasFonts");
+ CGContextGetShouldAntialiasFontsPtr = dlsym(RTLD_DEFAULT, "CGContextGetShouldAntialiasFonts");
+ CGContextGetShouldSmoothFontsPtr = dlsym(RTLD_DEFAULT, "CGContextGetShouldSmoothFonts");
+ CGContextReplacePathWithClipPathPtr = dlsym(RTLD_DEFAULT, "CGContextReplacePathWithClipPath");
+ CGContextGetAllowsFontSmoothingPtr = dlsym(RTLD_DEFAULT, "CGContextGetAllowsFontSmoothing");
+ CGContextSetAllowsFontSmoothingPtr = dlsym(RTLD_DEFAULT, "CGContextSetAllowsFontSmoothing");
++ CGContextGetAlphaPtr = dlsym(RTLD_DEFAULT, "CGContextGetAlpha");
+
+ if (Gestalt(gestaltSystemVersion, &_cairo_quartz_osx_version) != noErr) {
+ // assume 10.4
+ _cairo_quartz_osx_version = 0x1040;
+ }
+
+ _cairo_quartz_symbol_lookup_done = TRUE;
+ }
+@@ -1698,16 +1700,28 @@ _cairo_quartz_setup_state (cairo_quartz_
+
+ if (source->type == CAIRO_PATTERN_TYPE_RADIAL) {
+ const cairo_radial_pattern_t *rpat = (const cairo_radial_pattern_t *)source;
+ _cairo_quartz_setup_radial_source (surface, rpat, extents, &state);
+ return state;
+ }
+
+ if (source->type == CAIRO_PATTERN_TYPE_SURFACE) {
++ if (op == CAIRO_OPERATOR_OVER && _cairo_pattern_is_opaque (source) &&
++ CGContextGetAlphaPtr &&
++ CGContextGetAlphaPtr (surface->cgContext) == 1.0) {
++ // Quartz won't touch pixels outside the bounds of the
++ // source surface, so we can just go ahead and use Copy here
++ // to accelerate things.
++ // Quartz won't necessarily be able to do this optimization internally;
++ // for CGLayer surfaces, we can know all the pixels are opaque
++ // (because it's CONTENT_COLOR), but Quartz won't know.
++ CGContextSetCompositeOperation (context, kPrivateCGCompositeCopy);
++ }
++
+ const cairo_surface_pattern_t *spat = (const cairo_surface_pattern_t *) source;
+ _cairo_quartz_setup_surface_source (surface, spat, extents, &state);
+ return state;
+ }
+
+ state.action = DO_UNSUPPORTED;
+ return state;
+ }