https://bugs.webkit.org/show_bug.cgi?id=88233

Patch by Arvid Nilsson <anilsson@rim.com> on 2012-06-07
Reviewed by Rob Buis.

RIM PR #159998

Source/WebCore:

Add a parameter to LayerRenderer::compositeBuffer() indicating whether
the buffer contents are opaque, and set the GL blend mode accordingly.

This is not currently testable using BlackBerry testing infrastructure.

Reviewed internally by Jakob Petsovits.

* platform/graphics/blackberry/LayerRenderer.cpp:
(WebCore::LayerRenderer::compositeBuffer):
* platform/graphics/blackberry/LayerRenderer.h:
(LayerRenderer):

Source/WebKit/blackberry:

Keep track of the web page background color in the compositor so we can
determine whether the contents of the root layer are transparent.

Reviewed internally by Jakob Petsovits.

* Api/BackingStore.cpp:
(BlackBerry::WebKit::BackingStorePrivate::compositeContents):
* Api/BackingStore_p.h:
(BackingStorePrivate):
* Api/WebPage.cpp:
(BlackBerry::WebKit::WebPagePrivate::setCompositor):
(BlackBerry::WebKit::WebPagePrivate::setCompositorBackgroundColor):
(WebKit):
(BlackBerry::WebKit::WebPagePrivate::createCompositor):
(BlackBerry::WebKit::WebPagePrivate::didChangeSettings):
* Api/WebPageCompositor.cpp:
(BlackBerry::WebKit::WebPageCompositorPrivate::render):
(BlackBerry::WebKit::WebPageCompositorPrivate::setBackgroundColor):
(WebKit):
* Api/WebPageCompositor_p.h:
(BlackBerry::WebKit::WebPageCompositorPrivate::backgroundColor):
(WebPageCompositorPrivate):
* Api/WebPage_p.h:
(WebPagePrivate):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@119718 268f45cc-cd09-0410-ab3c-d52691b4dbfc