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authorBeren Minor <[email protected]>2011-11-25 11:58:38 +0100
committerChia-I Wu <[email protected]>2011-11-27 11:22:24 +0800
commit6baa5f10c04641960e0bedce664d0a5cf39e8954 (patch)
treed9ecac333c09df5f18efac062e3f600eaee87364 /src/mesa/main/config.h
parent496f68bb9d3760075c4a446ddf832dce6cf6cbc7 (diff)
egl_glx: Try first a default lookup for glXGetProcAddress before loading dynamic lib.
GLX functions are sometimes directly available in the current binary. In such cases, we do not need any alternate library loaded using dlopen. Otherwise, dlopen may find the wrong libGL library and get functions that conflicts with the current loaded ones. For example, on Debian Sid with nvidia binary drivers, using mesa's libEGL with GLX driver leads to wrong glXGetFBConfigs symbol loaded (or loaded twice?), which leads to "GLX: failed to create any config" error message as the glXGetFBConfigs symbol seems to return garbage. If the binary is linked with nvidia's libGL, the GLX symbols are already available. Without this patch, convert_fbconfig (src/egl/drivers/glx/egl_glx.c:233) fails for every config found, after glXGetFBConfigAttrib(... GLX_RENDER_TYPE, ...) call, as the value returned has GLX_COLOR_INDEX_BIT and not GLX_RGBA_BIT. [olv: initialize handle, prepend egl_glx to the commit log]
Diffstat (limited to 'src/mesa/main/config.h')
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