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Remove unused patch, from 1.4.2

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git-svn-id: https://svn.o-hand.com/repos/poky/trunk@1929 311d38ba-8fff-0310-9ca6-ca027cbcb966
This commit is contained in:
Ross Burton
2007-06-13 16:59:17 +00:00
parent 3a685ca6c8
commit 303ed7ca2b
1 changed files with 0 additions and 371 deletions
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371
meta/packages/cairo/files/cairo-surface-cache-3.patch
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@@ -1,371 +0,0 @@
diff --git a/src/cairo-clip.c b/src/cairo-clip.c
diff --git a/src/cairo-color.c b/src/cairo-color.c
index a348839..0688167 100644
--- a/src/cairo-color.c
+++ b/src/cairo-color.c
@@ -159,3 +159,10 @@ _cairo_color_get_rgba_premultiplied (cai
*blue = color->blue * color->alpha;
*alpha = color->alpha;
}
+
+cairo_bool_t
+_cairo_color_equal (cairo_color_t *color_a,
+ cairo_color_t *color_b)
+{
+ return (memcmp (color_a, color_b, sizeof (cairo_color_t)) == 0);
+}
diff --git a/src/cairo-directfb-surface.c b/src/cairo-directfb-surface.c
index 686510d..96ee212 100644
--- a/src/cairo-directfb-surface.c
+++ b/src/cairo-directfb-surface.c
@@ -1514,6 +1514,15 @@ _cairo_directfb_surface_show_glyphs ( vo
}
#endif /* DFB_SHOW_GLYPHS */
+static cairo_bool_t
+_cairo_directfb_surface_is_compatible (void *surface_a,
+ void *surface_b)
+{
+ cairo_directfb_surface_t *a = (cairo_directfb_surface_t*) surface_a;
+ cairo_directfb_surface_t *b = (cairo_directfb_surface_t*) surface_b;
+
+ return (a->dfb == b->dfb);
+}
static cairo_surface_backend_t cairo_directfb_surface_backend = {
CAIRO_SURFACE_TYPE_DIRECTFB, /*type*/
@@ -1564,7 +1573,8 @@ #if DFB_SHOW_GLYPHS
#else
NULL, /* show_glyphs */
#endif
- NULL /* snapshot */
+ NULL, /* snapshot */
+ _cairo_directfb_is_compatible
};
diff --git a/src/cairo-ft-font.c b/src/cairo-ft-font.c
diff --git a/src/cairo-glitz-surface.c b/src/cairo-glitz-surface.c
index f492739..79e0162 100644
--- a/src/cairo-glitz-surface.c
+++ b/src/cairo-glitz-surface.c
@@ -1799,6 +1799,19 @@ _cairo_glitz_surface_scaled_glyph_fini (
}
}
+static cairo_bool_t
+_cairo_glitz_surface_is_compatible (void *surface_a,
+ void *surface_b)
+{
+ cairo_glitz_surface_t *a = (cairo_glitz_surface_t*) surface_a;
+ cairo_glitz_surface_t *b = (cairo_glitz_surface_t*) surface_b;
+
+ glitz_drawable *drawable_a = glitz_surface_get_drawable (a->surface);
+ glitz_drawable *drawable_b = glitz_surface_get_drawable (b->surface);
+
+ return (drawable_a == drawable_b);
+}
+
#define FIXED_TO_FLOAT(f) (((glitz_float_t) (f)) / 65536)
static cairo_status_t
@@ -2194,7 +2207,16 @@ static const cairo_surface_backend_t cai
_cairo_glitz_surface_flush,
NULL, /* mark_dirty_rectangle */
_cairo_glitz_surface_scaled_font_fini,
- _cairo_glitz_surface_scaled_glyph_fini
+ _cairo_glitz_surface_scaled_glyph_fini,
+
+ NULL, /* paint */
+ NULL, /* mask */
+ NULL, /* stroke */
+ NULL, /* fill */
+ NULL, /* show_glyphs */
+
+ NULL, /* snapshot */
+ _cairo_glitz_surface_is_compatible
};
static const cairo_surface_backend_t *
diff --git a/src/cairo-gstate.c b/src/cairo-gstate.c
diff --git a/src/cairo-meta-surface.c b/src/cairo-meta-surface.c
diff --git a/src/cairo-pattern.c b/src/cairo-pattern.c
index b488d1f..28f8561 100644
--- a/src/cairo-pattern.c
+++ b/src/cairo-pattern.c
@@ -1020,6 +1020,8 @@ _cairo_pattern_acquire_surface_for_gradi
return status;
}
+#define MAX_CACHE_SIZE 16
+
static cairo_int_status_t
_cairo_pattern_acquire_surface_for_solid (cairo_solid_pattern_t *pattern,
cairo_surface_t *dst,
@@ -1030,12 +1032,59 @@ _cairo_pattern_acquire_surface_for_solid
cairo_surface_t **out,
cairo_surface_attributes_t *attribs)
{
- *out = _cairo_surface_create_similar_solid (dst,
- CAIRO_CONTENT_COLOR_ALPHA,
- 1, 1,
- &pattern->color);
- if ((*out)->status)
- return CAIRO_STATUS_NO_MEMORY;
+ /* We have a small cache here, because we don't want to constantly
+ * recreate surfaces for simple solid colors */
+ static struct {
+ cairo_color_t color;
+ cairo_surface_t *surface;
+ } cache[MAX_CACHE_SIZE];
+ static int cache_size = 0;
+ static int i = 0;
+ CAIRO_MUTEX_DECLARE (cache_lock);
+
+ cairo_surface_t *surface;
+ cairo_status_t status;
+
+ CAIRO_MUTEX_LOCK (cache_lock);
+
+ /* Check cache first */
+ if (i < cache_size)
+ if (_cairo_color_equal (&cache[i].color, &pattern->color) &&
+ _cairo_surface_is_compatible (cache[i].surface, dst))
+ goto DONE;
+
+ for (i = 0; i < cache_size; i++)
+ if (_cairo_color_equal (&cache[i].color, &pattern->color) &&
+ _cairo_surface_is_compatible (cache[i].surface, dst))
+ goto DONE;
+
+ /* Not cached, need to create new */
+ surface = _cairo_surface_create_similar_solid (dst,
+ CAIRO_CONTENT_COLOR_ALPHA,
+ 1, 1,
+ &pattern->color);
+ if (surface->status) {
+ status = CAIRO_STATUS_NO_MEMORY;
+
+ goto UNLOCK;
+ }
+
+ /* Cache new */
+ if (cache_size < MAX_CACHE_SIZE)
+ cache_size++;
+ else {
+ i = rand () % MAX_CACHE_SIZE;
+
+ /* Evict old */
+ cairo_surface_destroy (cache[i].surface);
+ }
+
+ cache[i].color = pattern->color;
+ cache[i].surface = surface;
+
+DONE:
+
+ *out = cairo_surface_reference (cache[i].surface);
attribs->x_offset = attribs->y_offset = 0;
cairo_matrix_init_identity (&attribs->matrix);
@@ -1043,7 +1092,13 @@ _cairo_pattern_acquire_surface_for_solid
attribs->filter = CAIRO_FILTER_NEAREST;
attribs->acquired = FALSE;
- return CAIRO_STATUS_SUCCESS;
+ status = CAIRO_STATUS_SUCCESS;
+
+UNLOCK:
+
+ CAIRO_MUTEX_UNLOCK (cache_lock);
+
+ return status;
}
/**
diff --git a/src/cairo-scaled-font.c b/src/cairo-scaled-font.c
diff --git a/src/cairo-surface-fallback.c b/src/cairo-surface-fallback.c
diff --git a/src/cairo-surface.c b/src/cairo-surface.c
index 2bff0da..78cad9b 100644
--- a/src/cairo-surface.c
+++ b/src/cairo-surface.c
@@ -1078,6 +1078,32 @@ _cairo_surface_snapshot (cairo_surface_t
return _cairo_surface_fallback_snapshot (surface);
}
+/**
+ * _cairo_surface_is_compatible
+ * @surface_a: a #cairo_surface_t
+ * @surface_b: a #cairo_surface_t
+ *
+ * Find out whether the given surfaces share the same backend,
+ * and if so, whether they can be considered compatible.
+ *
+ * The definition of "compatible" depends on the backend. In the
+ * xlib case, it means the surfaces share the same display.
+ *
+ * Return value: TRUE if the surfaces are compatible.
+ **/
+cairo_bool_t
+_cairo_surface_is_compatible (cairo_surface_t *surface_a,
+ cairo_surface_t *surface_b)
+{
+ if (surface_a->backend != surface_b->backend)
+ return FALSE;
+
+ if (surface_a->backend->is_compatible)
+ return surface_a->backend->is_compatible (surface_a, surface_b);
+
+ return TRUE;
+}
+
cairo_status_t
_cairo_surface_composite (cairo_operator_t op,
cairo_pattern_t *src,
diff --git a/src/cairo-win32-surface.c b/src/cairo-win32-surface.c
index be7e706..81eb916 100644
--- a/src/cairo-win32-surface.c
+++ b/src/cairo-win32-surface.c
@@ -1609,6 +1609,16 @@ _cairo_win32_surface_show_glyphs (void
return (win_result) ? CAIRO_STATUS_SUCCESS : CAIRO_INT_STATUS_UNSUPPORTED;
}
+static cairo_bool_t
+_cairo_win32_surface_is_compatible (void *surface_a,
+ void *surface_b)
+{
+ cairo_win32_surface_t *a = (cairo_win32_surface_t*) surface_a;
+ cairo_win32_surface_t *b = (cairo_win32_surface_t*) surface_b;
+
+ return (a->dc == b->dc);
+}
+
#undef STACK_GLYPH_SIZE
/**
@@ -1879,7 +1889,8 @@ static const cairo_surface_backend_t cai
NULL, /* fill */
_cairo_win32_surface_show_glyphs,
- NULL /* snapshot */
+ NULL, /* snapshot */
+ _cairo_win32_surface_is_compatible
};
/*
diff --git a/src/cairo-xcb-surface.c b/src/cairo-xcb-surface.c
index 2fdf8a1..8df859d 100644
--- a/src/cairo-xcb-surface.c
+++ b/src/cairo-xcb-surface.c
@@ -1578,6 +1578,10 @@ _cairo_xcb_surface_show_glyphs (void
int num_glyphs,
cairo_scaled_font_t *scaled_font);
+static cairo_bool_t
+_cairo_xcb_surface_is_compatible (void *surface_a,
+ void *surface_b);
+
/* XXX: move this to the bottom of the file, XCB and Xlib */
static const cairo_surface_backend_t cairo_xcb_surface_backend = {
@@ -1609,7 +1613,8 @@ static const cairo_surface_backend_t cai
NULL, /* stroke */
NULL, /* fill */
_cairo_xcb_surface_show_glyphs,
- NULL /* snapshot */
+ NULL, /* snapshot */
+ _cairo_xcb_surface_is_compatible
};
/**
@@ -2451,3 +2456,13 @@ _cairo_xcb_surface_show_glyphs (void
return status;
}
+
+static cairo_bool_t
+_cairo_xcb_surface_is_compatible (void *surface_a,
+ void *surface_b)
+{
+ cairo_xcb_surface_t *a = (cairo_xcb_surface_t*) surface_a;
+ cairo_xcb_surface_t *b = (cairo_xcb_surface_t*) surface_b;
+
+ return (a->dpy == b->dpy);
+}
diff --git a/src/cairo-xlib-surface.c b/src/cairo-xlib-surface.c
index 6a0d3e4..9228c95 100644
--- a/src/cairo-xlib-surface.c
+++ b/src/cairo-xlib-surface.c
@@ -74,6 +74,10 @@ _cairo_xlib_surface_show_glyphs (void
int num_glyphs,
cairo_scaled_font_t *scaled_font);
+static cairo_bool_t
+_cairo_xlib_surface_is_compatible (void *surface_a,
+ void *surface_b);
+
/*
* Instead of taking two round trips for each blending request,
* assume that if a particular drawable fails GetImage that it will
@@ -1783,7 +1787,8 @@ static const cairo_surface_backend_t cai
NULL, /* stroke */
NULL, /* fill */
_cairo_xlib_surface_show_glyphs,
- NULL /* snapshot */
+ NULL, /* snapshot */
+ _cairo_xlib_surface_is_compatible
};
/**
@@ -2913,3 +2918,13 @@ _cairo_xlib_surface_show_glyphs (void
return status;
}
+
+static cairo_bool_t
+_cairo_xlib_surface_is_compatible (void *surface_a,
+ void *surface_b)
+{
+ cairo_xlib_surface_t *a = (cairo_xlib_surface_t*) surface_a;
+ cairo_xlib_surface_t *b = (cairo_xlib_surface_t*) surface_b;
+
+ return (a->dpy == b->dpy);
+}
diff --git a/src/cairo.c b/src/cairo.c
diff --git a/src/cairoint.h b/src/cairoint.h
index 060b988..01c0e2a 100755
--- a/src/cairoint.h
+++ b/src/cairoint.h
@@ -933,6 +933,10 @@ struct _cairo_surface_backend {
cairo_surface_t *
(*snapshot) (void *surface);
+
+ cairo_bool_t
+ (*is_compatible) (void *surface_a,
+ void *surface_b);
};
typedef struct _cairo_format_masks {
@@ -1497,6 +1501,10 @@ _cairo_color_get_rgba_premultiplied (cai
double *blue,
double *alpha);
+cairo_private cairo_bool_t
+_cairo_color_equal (cairo_color_t *color_a,
+ cairo_color_t *color_b);
+
/* cairo-font.c */
cairo_private void
@@ -1922,6 +1930,10 @@ _cairo_surface_clone_similar (cairo_surf
cairo_private cairo_surface_t *
_cairo_surface_snapshot (cairo_surface_t *surface);
+cairo_private cairo_bool_t
+_cairo_surface_is_compatible (cairo_surface_t *surface_a,
+ cairo_surface_t *surface_b);
+
cairo_private unsigned int
_cairo_surface_get_current_clip_serial (cairo_surface_t *surface);