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kwin: Fix VBO function resolution for core contexts

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Mesa doesn't advertise extensions that were core in 1.5 in an OpenGL
context that uses the core profile.
This commit is contained in:
Fredrik Höglund 2013-03-13 16:43:19 +01:00
parent 63e0d32706
commit 1bcf95f3f9
2 changed files with 8 additions and 2 deletions
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2
libkwineffects/kwinglutils.cpp
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@ -1421,7 +1421,7 @@ void GLVertexBuffer::initStatic()
#ifdef KWIN_HAVE_OPENGLES
GLVertexBufferPrivate::supported = true;
#else
GLVertexBufferPrivate::supported = hasGLExtension("GL_ARB_vertex_buffer_object");
GLVertexBufferPrivate::supported = hasGLVersion(1, 5) || hasGLExtension("GL_ARB_vertex_buffer_object");
#endif
GLVertexBufferPrivate::streamingBuffer = new GLVertexBuffer(GLVertexBuffer::Stream);
}

8
libkwineffects/kwinglutils_funcs.cpp
View file

@ -410,8 +410,14 @@ void glResolveFunctions(OpenGLPlatformInterface platformInterface)
glProgramLocalParameter4fARB = NULL;
glGetProgramivARB = NULL;
}
if (hasGLExtension("GL_ARB_vertex_buffer_object")) {
if (hasGLVersion(1, 5)) {
// see http://www.opengl.org/registry/specs/ARB/vertex_buffer_object.txt
GL_RESOLVE(glGenBuffers);
GL_RESOLVE(glDeleteBuffers);
GL_RESOLVE(glBindBuffer);
GL_RESOLVE(glBufferData);
} else if (hasGLExtension("GL_ARB_vertex_buffer_object")) {
GL_RESOLVE_WITH_EXT(glGenBuffers, glGenBuffersARB);
GL_RESOLVE_WITH_EXT(glDeleteBuffers, glDeleteBuffersARB);
GL_RESOLVE_WITH_EXT(glBindBuffer, glBindBufferARB);