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Back out 17e4143dd6f0 (bug 737509) on suspicion of causing a crash in browser_tabview_bug597248.js

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This commit is contained in:
Matt Brubeck 2012-04-09 14:45:13 -07:00
parent b39f35cd0c
commit 7b69e15fba
2 changed files with 91 additions and 2 deletions
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14
gfx/cairo/cairo/src/cairo-quartz-surface.c
View File

@ -135,6 +135,8 @@ static bool (*CGContextGetAllowsFontSmoothingPtr) (CGContextRef) = NULL;
static CGPathRef (*CGContextCopyPathPtr) (CGContextRef) = NULL;
static CGFloat (*CGContextGetAlphaPtr) (CGContextRef) = NULL;
static SInt32 _cairo_quartz_osx_version = 0x0;
static cairo_bool_t _cairo_quartz_symbol_lookup_done = FALSE;
/*
@ -170,6 +172,11 @@ static void quartz_ensure_symbols(void)
CGContextSetAllowsFontSmoothingPtr = dlsym(RTLD_DEFAULT, "CGContextSetAllowsFontSmoothing");
CGContextGetAlphaPtr = dlsym(RTLD_DEFAULT, "CGContextGetAlpha");
if (Gestalt(gestaltSystemVersion, &_cairo_quartz_osx_version) != noErr) {
// assume 10.5
_cairo_quartz_osx_version = 0x1050;
}
_cairo_quartz_symbol_lookup_done = TRUE;
}
@ -1147,7 +1154,7 @@ _cairo_surface_to_cgimage (cairo_surface_t *source,
if (source_img == NULL)
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
source_img->surface = _cairo_surface_snapshot(source);
source_img->surface = cairo_surface_reference(source);
status = _cairo_surface_acquire_source_image (source_img->surface, &source_img->image_out, &source_img->image_extra);
if (status) {
@ -3036,8 +3043,11 @@ _cairo_quartz_surface_mask_cg (void *abstract_surface,
/* If we have CGContextClipToMask, we can do more complex masks */
if (CGContextClipToMaskPtr) {
/* For these, we can skip creating a temporary surface, since we already have one */
if (mask->type == CAIRO_PATTERN_TYPE_SURFACE && mask->extend == CAIRO_EXTEND_NONE)
/* For some reason this doesn't work reliably on OS X 10.5. See bug 721663. */
if (_cairo_quartz_osx_version >= 0x1060 && mask->type == CAIRO_PATTERN_TYPE_SURFACE &&
mask->extend == CAIRO_EXTEND_NONE) {
return _cairo_quartz_surface_mask_with_surface (surface, op, source, (cairo_surface_pattern_t *) mask, clip);
}
return _cairo_quartz_surface_mask_with_generic (surface, op, source, mask, clip);
}

79
gfx/cairo/quartz-surface-mask-patch Normal file
View File

@ -0,0 +1,79 @@
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
@@ -128,20 +128,22 @@ CG_EXTERN CGImageRef CGBitmapContextCrea
*/
static void (*CGContextClipToMaskPtr) (CGContextRef, CGRect, CGImageRef) = NULL;
static void (*CGContextDrawTiledImagePtr) (CGContextRef, CGRect, CGImageRef) = NULL;
static unsigned int (*CGContextGetTypePtr) (CGContextRef) = NULL;
static void (*CGContextSetShouldAntialiasFontsPtr) (CGContextRef, bool) = NULL;
static void (*CGContextSetAllowsFontSmoothingPtr) (CGContextRef, bool) = NULL;
static bool (*CGContextGetAllowsFontSmoothingPtr) (CGContextRef) = NULL;
static CGPathRef (*CGContextCopyPathPtr) (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
*/
#ifdef QUARTZ_DEBUG
static void quartz_surface_to_png (cairo_quartz_surface_t *nq, char *dest);
static void quartz_image_to_png (CGImageRef, char *dest);
#endif
@@ -163,20 +165,25 @@ static void quartz_ensure_symbols(void)
CGContextClipToMaskPtr = dlsym(RTLD_DEFAULT, "CGContextClipToMask");
CGContextDrawTiledImagePtr = dlsym(RTLD_DEFAULT, "CGContextDrawTiledImage");
CGContextGetTypePtr = dlsym(RTLD_DEFAULT, "CGContextGetType");
CGContextSetShouldAntialiasFontsPtr = dlsym(RTLD_DEFAULT, "CGContextSetShouldAntialiasFonts");
CGContextCopyPathPtr = dlsym(RTLD_DEFAULT, "CGContextCopyPath");
CGContextGetAllowsFontSmoothingPtr = dlsym(RTLD_DEFAULT, "CGContextGetAllowsFontSmoothing");
CGContextSetAllowsFontSmoothingPtr = dlsym(RTLD_DEFAULT, "CGContextSetAllowsFontSmoothing");
CGContextGetAlphaPtr = dlsym(RTLD_DEFAULT, "CGContextGetAlpha");
+ if (Gestalt(gestaltSystemVersion, &_cairo_quartz_osx_version) != noErr) {
+ // assume 10.5
+ _cairo_quartz_osx_version = 0x1050;
+ }
+
_cairo_quartz_symbol_lookup_done = TRUE;
}
CGImageRef
_cairo_quartz_create_cgimage (cairo_format_t format,
unsigned int width,
unsigned int height,
unsigned int stride,
void *data,
cairo_bool_t interpolate,
@@ -3028,22 +3035,25 @@ static cairo_int_status_t
CGContextSetAlpha (surface->cgContext, solid_mask->color.alpha);
rv = _cairo_quartz_surface_paint_cg (surface, op, source, clip);
CGContextSetAlpha (surface->cgContext, 1.0);
return rv;
}
/* If we have CGContextClipToMask, we can do more complex masks */
if (CGContextClipToMaskPtr) {
/* For these, we can skip creating a temporary surface, since we already have one */
- if (mask->type == CAIRO_PATTERN_TYPE_SURFACE && mask->extend == CAIRO_EXTEND_NONE)
+ /* For some reason this doesn't work reliably on OS X 10.5. See bug 721663. */
+ if (_cairo_quartz_osx_version >= 0x1060 && mask->type == CAIRO_PATTERN_TYPE_SURFACE &&
+ mask->extend == CAIRO_EXTEND_NONE) {
return _cairo_quartz_surface_mask_with_surface (surface, op, source, (cairo_surface_pattern_t *) mask, clip);
+ }
return _cairo_quartz_surface_mask_with_generic (surface, op, source, mask, clip);
}
/* So, CGContextClipToMask is not present in 10.3.9, so we're
* doomed; if we have imageData, we can do fallback, otherwise
* just pretend success.
*/
if (surface->imageData)
return CAIRO_INT_STATUS_UNSUPPORTED;