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authorKoen Kooi <koen@openembedded.org>2009-06-21 20:42:26 +0200
committerKoen Kooi <koen@openembedded.org>2009-06-21 20:42:26 +0200
commit693a76b58e7f9fdb76ab152dbab1d4c39f5f0fae (patch)
tree609b3e1fee57c7169156a895217fab4032d8dda5 /recipes/mozilla/fennec
parent0d147e85b88e7778801087e8eca2bce2ac4d22e3 (diff)
fennec: use native bpp to speed up rendering on 16bit framebuffers
* helps with memusage as well
Diffstat (limited to 'recipes/mozilla/fennec')
-rw-r--r--recipes/mozilla/fennec/use-native-bpp.patch81
1 files changed, 81 insertions, 0 deletions
diff --git a/recipes/mozilla/fennec/use-native-bpp.patch b/recipes/mozilla/fennec/use-native-bpp.patch
new file mode 100644
index 0000000000..fd3f9b71f8
--- /dev/null
+++ b/recipes/mozilla/fennec/use-native-bpp.patch
@@ -0,0 +1,81 @@
+diff -r f603fec24bf7 gfx/thebes/src/gfxPlatformGtk.cpp
+--- a/gfx/thebes/src/gfxPlatformGtk.cpp Tue Dec 02 16:05:36 2008 -0500
++++ b/gfx/thebes/src/gfxPlatformGtk.cpp Tue Dec 02 23:14:03 2008 -0500
+@@ -80,18 +80,23 @@
+
+ #define GDK_PIXMAP_SIZE_MAX 32767
+
+ #ifndef MOZ_PANGO
+ #include <ft2build.h>
+ #include FT_FREETYPE_H
+ #endif
+
++#include "nsIPrefService.h"
++#include "nsIPrefBranch.h"
++#include "nsServiceManagerUtils.h"
++
+ double gfxPlatformGtk::sDPI = -1.0;
+ gfxFontconfigUtils *gfxPlatformGtk::sFontconfigUtils = nsnull;
++static PRBool gUseSystemVisualFormat = PR_FALSE;
+
+ #ifndef MOZ_PANGO
+ typedef nsDataHashtable<nsStringHashKey, nsRefPtr<FontFamily> > FontTable;
+ static FontTable *gPlatformFonts = NULL;
+ static FontTable *gPlatformFontAliases = NULL;
+ static FT_Library gPlatformFTLibrary = NULL;
+ #endif
+
+@@ -113,16 +118,26 @@ gfxPlatformGtk::gfxPlatformGtk()
+ gPlatformFonts = new FontTable();
+ gPlatformFonts->Init(100);
+ gPlatformFontAliases = new FontTable();
+ gPlatformFontAliases->Init(100);
+ UpdateFontList();
+ #endif
+
+ InitDPI();
++
++ nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
++ if (!prefs)
++ return;
++
++ PRBool val = PR_FALSE;
++ nsresult rv;
++ rv = prefs->GetBoolPref("gfx.system.visual.format", &val);
++ if (NS_SUCCEEDED(rv))
++ gUseSystemVisualFormat = val;
+ }
+
+ gfxPlatformGtk::~gfxPlatformGtk()
+ {
+ gfxFontconfigUtils::Shutdown();
+ sFontconfigUtils = nsnull;
+
+ #ifdef MOZ_PANGO
+@@ -184,18 +199,24 @@ gfxPlatformGtk::CreateOffscreenSurface(c
+ // XXX we really need a different interface here, something that passes
+ // in more context, including the display and/or target surface type that
+ // we should try to match
+ Display* display = GDK_DISPLAY();
+ if (!display)
+ return nsnull;
+
+ GdkPixmap* pixmap = nsnull;
+- XRenderPictFormat* xrenderFormat =
+- XRenderFindStandardFormat(display, xrenderFormatID);
++ XRenderPictFormat* xrenderFormat = nsnull;
++
++ if (xrenderFormatID == PictStandardRGB24 && gUseSystemVisualFormat) {
++ // Actually we want not strictly RGB24, but the fastest non-alpha
++ // format (XXX to be verified if it is actually safe)
++ xrenderFormat = XRenderFindVisualFormat(display, GDK_VISUAL_XVISUAL(gdk_visual_get_system()));
++ }
++ if (!xrenderFormat) xrenderFormat = XRenderFindStandardFormat(display, xrenderFormatID);
+
+ if (xrenderFormat && sizeOk) {
+ pixmap = gdk_pixmap_new(nsnull, size.width, size.height,
+ xrenderFormat->depth);
+
+ if (pixmap) {
+ gdk_drawable_set_colormap(GDK_DRAWABLE(pixmap), nsnull);
+ newSurface = new gfxXlibSurface(display,