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kwin: Create a vertex array object in SceneOpenGL2

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Using a vertex array object is not optional in an OpenGL core context.
This commit is contained in:
Fredrik Höglund 2013-03-13 17:03:30 +01:00
parent 2bcad53bbb
commit d324ec998a
2 changed files with 12 additions and 0 deletions
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11
scene_opengl.cpp
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@ -617,7 +617,18 @@ SceneOpenGL2::SceneOpenGL2(OpenGLBackend *backend)
init_ok = false;
return; // error
}
kDebug(1212) << "OpenGL 2 compositing successfully initialized";
#ifndef KWIN_HAVE_OPENGLES
// It is not legal to not have a vertex array object bound in a core context
if (hasGLExtension("GL_ARB_vertex_array_object")) {
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
}
#endif
init_ok = true;
}
SceneOpenGL2::~SceneOpenGL2()

1
scene_opengl.h
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@ -126,6 +126,7 @@ private:
private:
LanczosFilter *m_lanczosFilter;
ColorCorrection *m_colorCorrection;
GLuint vao;
};
#ifdef KWIN_HAVE_OPENGL_1