[Webkit-unassigned] [Bug 145156] New: REGRESSION(r181571): Build broken when USE(OPENGL_ES_2) is defined.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=145156

            Bug ID: 145156
           Summary: REGRESSION(r181571): Build broken when
                    USE(OPENGL_ES_2) is defined.
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: clopez at igalia.com
                CC: cgarcia at igalia.com

At least on platform GTK, r181571 <http://trac.webkit.org/r181571> broke the build when defining -DENABLE_GLES2=ON.

$CC [...] -o Source/WebCore/CMakeFiles/WebCore.dir/platform/graphics/opengl/GraphicsContext3DOpenGLCommon.cpp.o -c ../../Source/WebCore/platform/graphics/opengl/GraphicsContext3DOpenGLCommon.cpp
../../Source/WebCore/platform/graphics/opengl/GraphicsContext3DOpenGLCommon.cpp:1365:5: error: use of undeclared identifier 'glGenVertexArrays'
    glGenVertexArrays(1, &array);
    ^
../../Source/WebCore/platform/graphics/opengl/GraphicsContext3DOpenGLCommon.cpp:1379:5: error: use of undeclared identifier 'glDeleteVertexArrays'
    glDeleteVertexArrays(1, &array);
    ^
../../Source/WebCore/platform/graphics/opengl/GraphicsContext3DOpenGLCommon.cpp:1392:12: error: use of undeclared identifier 'glIsVertexArray'; did you mean 'isVertexArray'?
    return glIsVertexArray(array);
           ^~~~~~~~~~~~~~~
           isVertexArray
../../Source/WebCore/platform/graphics/opengl/GraphicsContext3DOpenGLCommon.cpp:1385:32: note: 'isVertexArray' declared here
GC3Dboolean GraphicsContext3D::isVertexArray(Platform3DObject array)
                               ^
../../Source/WebCore/platform/graphics/opengl/GraphicsContext3DOpenGLCommon.cpp:1403:5: error: use of undeclared identifier 'glBindVertexArray'; did you mean 'bindVertexArray'?
    glBindVertexArray(array);
    ^~~~~~~~~~~~~~~~~
    bindVertexArray
../../Source/WebCore/platform/graphics/opengl/GraphicsContext3DOpenGLCommon.cpp:1399:25: note: 'bindVertexArray' declared here
void GraphicsContext3D::bindVertexArray(Platform3DObject array)
                        ^
4 errors generated.
ninja: build stopped: subcommand failed.


The issue seems to be that Vertex Array Objects (glGenVertexArrays, etc) are in GLESv3 but not in GLESv2.

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