Reviewed by Oliver Hunt.

        Refactor texImage2D and texSubImage2D taking Image to use common code
        https://bugs.webkit.org/show_bug.cgi?id=34458

        Merged the Safari and Chromium code which extracts the data from
        Image objects into common entry points on GraphicsContext3D. This
        immediately fixes the following three problems:
          - Chromium not implementing texSubImage2D taking Image.
          - Safari not obeying the flipY parameter to texImage2D or
            texSubImage2D taking Image.
          - Safari not obeying the premultipyAlpha parameter to texImage2D
            or texSubImage2D taking Image.
        Added new test verifying the behavior of texImage2D and
        texSubImage2D and the flipY parameter. The premultiplyAlpha
        parameter can not be tested yet as the implementation is not yet
        spec compliant. This will be fixed in a follow-on bug.

        Ran all WebGL demos in demo repository on Safari and Chromium;
        textures are now the right way up in both browsers, and
        transparent textures in Particles demo now look correct in Safari.

        * fast/canvas/webgl/resources/red-green.png: Added.
        * fast/canvas/webgl/tex-image-and-sub-image-2d-with-image-expected.txt: Added.
        * fast/canvas/webgl/tex-image-and-sub-image-2d-with-image.html: Added.
2010-02-17  Kenneth Russell  <kbr@google.com>

        Reviewed by Oliver Hunt.

        Refactor texImage2D and texSubImage2D taking Image to use common code
        https://bugs.webkit.org/show_bug.cgi?id=34458

        Merged the Safari and Chromium code which extracts the data from
        Image objects into common entry points on GraphicsContext3D. This
        immediately fixes the following three problems:
          - Chromium not implementing texSubImage2D taking Image.
          - Safari not obeying the flipY parameter to texImage2D or
            texSubImage2D taking Image.
          - Safari not obeying the premultipyAlpha parameter to texImage2D
            or texSubImage2D taking Image.
        Added new test verifying the behavior of texImage2D and
        texSubImage2D and the flipY parameter. The premultiplyAlpha
        parameter can not be tested yet as the implementation is not yet
        spec compliant. This will be fixed in a follow-on bug.

        Ran all WebGL demos in demo repository on Safari and Chromium;
        textures are now the right way up in both browsers, and
        transparent textures in Particles demo now look correct in Safari.

        Test: fast/canvas/webgl/tex-image-and-sub-image-2d-with-image.html

        * WebCore.gyp/WebCore.gyp:
        * WebCore.gypi:
        * WebCore.xcodeproj/project.pbxproj:
        * platform/graphics/GraphicsContext3D.cpp: Added.
        (WebCore::GraphicsContext3D::extractImageData):
        (WebCore::GraphicsContext3D::processImageData):
        (WebCore::GraphicsContext3D::premultiplyAlpha):
        (WebCore::GraphicsContext3D::unmultiplyAlpha):
        * platform/graphics/GraphicsContext3D.h:
        (WebCore::GraphicsContext3D::):
        * platform/graphics/cg/GraphicsContext3DCG.cpp: Added.
        (WebCore::GraphicsContext3D::getImageData):
        * platform/graphics/mac/GraphicsContext3DMac.cpp:
        (WebCore::GraphicsContext3D::texImage2D):
        (WebCore::GraphicsContext3D::texSubImage2D):
        * platform/graphics/skia/GraphicsContext3DSkia.cpp: Added.
        (WebCore::GraphicsContext3D::getImageData):
2010-02-17  Kenneth Russell  <kbr@google.com>

        Reviewed by Oliver Hunt.

        Refactor texImage2D and texSubImage2D taking Image to use common code
        https://bugs.webkit.org/show_bug.cgi?id=34458

        Merged the Safari and Chromium code which extracts the data from
        Image objects into common entry points on GraphicsContext3D. This
        immediately fixes the following three problems:
          - Chromium not implementing texSubImage2D taking Image.
          - Safari not obeying the flipY parameter to texImage2D or
            texSubImage2D taking Image.
          - Safari not obeying the premultipyAlpha parameter to texImage2D
            or texSubImage2D taking Image.
        Added new test verifying the behavior of texImage2D and
        texSubImage2D and the flipY parameter. The premultiplyAlpha
        parameter can not be tested yet as the implementation is not yet
        spec compliant. This will be fixed in a follow-on bug.

        Ran all WebGL demos in demo repository on Safari and Chromium;
        textures are now the right way up in both browsers, and
        transparent textures in Particles demo now look correct in Safari.

        * src/GraphicsContext3D.cpp:
        (WebCore::GraphicsContext3D::texImage2D):
        (WebCore::GraphicsContext3D::texSubImage2D):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@54907 268f45cc-cd09-0410-ab3c-d52691b4dbfc