osmesa: Unbind the current context when given a null context and buffer.
This is needed to be consistent with other drivers. Signed-off-by: Emilio Cobos Álvarez <me@emiliocobos.me> Reviewed-by: Brian Paul <brianp@vmware.com>
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@ -966,6 +966,9 @@ OSMesaDestroyContext( OSMesaContext osmesa )
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* If the context's viewport hasn't been initialized yet, it will now be
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* initialized to (0,0,width,height).
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*
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* If both the context and the buffer are null, the current context will be
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* unbound.
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*
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* Input: osmesa - the rendering context
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* buffer - the image buffer memory
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* type - data type for pixel components
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@ -983,6 +986,10 @@ GLAPI GLboolean GLAPIENTRY
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OSMesaMakeCurrent( OSMesaContext osmesa, void *buffer, GLenum type,
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GLsizei width, GLsizei height )
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{
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if (!osmesa && !buffer) {
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return _mesa_make_current(NULL, NULL, NULL);
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}
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if (!osmesa || !buffer ||
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width < 1 || height < 1 ||
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width > SWRAST_MAX_WIDTH || height > SWRAST_MAX_HEIGHT) {
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