/**************************************************************************
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*
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* Copyright 2007 VMware, Inc., Bismarck, ND., USA
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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*
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**************************************************************************/
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/*
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* Authors:
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* Keith Whitwell
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*/
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#include "pipe/p_compiler.h"
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#include "util/u_debug.h"
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#include "sw/xlib/xlib_sw_winsys.h"
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#include "xm_public.h"
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#include "state_tracker/st_gl_api.h"
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#include "target-helpers/inline_sw_helper.h"
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#include "target-helpers/inline_debug_helper.h"
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/* Helper function to build a subset of a driver stack consisting of
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* one of the software rasterizers (llvmpipe, softpipe) and the
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* xlib winsys.
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*/
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static struct pipe_screen *
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swrast_xlib_create_screen( Display *display )
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{
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struct sw_winsys *winsys;
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struct pipe_screen *screen = NULL;
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/* Create the underlying winsys, which performs presents to Xlib
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* drawables:
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*/
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winsys = xlib_create_sw_winsys( display );
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if (winsys == NULL)
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return NULL;
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/* Create a software rasterizer on top of that winsys:
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*/
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screen = sw_screen_create( winsys );
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if (screen == NULL)
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goto fail;
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/* Inject any wrapping layers we want to here:
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*/
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return debug_screen_wrap( screen );
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fail:
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if (winsys)
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winsys->destroy( winsys );
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return NULL;
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}
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static struct xm_driver xlib_driver =
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{
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.create_pipe_screen = swrast_xlib_create_screen,
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.create_st_api = st_gl_api_create,
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};
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/* Build the rendering stack.
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*/
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static void _init( void ) __attribute__((constructor));
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static void _init( void )
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{
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/* Initialize the xlib libgl code, pass in the winsys:
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*/
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xmesa_set_driver( &xlib_driver );
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}
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/***********************************************************************
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*
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* Butt-ugly hack to convince the linker not to throw away public GL
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* symbols (they are all referenced from getprocaddress, I guess).
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*/
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extern void (*linker_foo(const unsigned char *procName))();
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extern void (*glXGetProcAddress(const unsigned char *procName))();
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extern void (*linker_foo(const unsigned char *procName))()
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{
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return glXGetProcAddress(procName);
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}
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/**
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* When GLX_INDIRECT_RENDERING is defined, some symbols are missing in
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* libglapi.a. We need to define them here.
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*/
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#ifdef GLX_INDIRECT_RENDERING
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#define GL_GLEXT_PROTOTYPES
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#include "main/glheader.h"
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#include "glapi/glapi.h"
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#include "glapi/glapitable.h"
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#if defined(USE_MGL_NAMESPACE)
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#define NAME(func) mgl##func
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#else
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#define NAME(func) gl##func
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#endif
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#define DISPATCH(FUNC, ARGS, MESSAGE) \
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GET_DISPATCH()->FUNC ARGS
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#define RETURN_DISPATCH(FUNC, ARGS, MESSAGE) \
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return GET_DISPATCH()->FUNC ARGS
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/* skip normal ones */
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#define _GLAPI_SKIP_NORMAL_ENTRY_POINTS
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#include "glapi/glapitemp.h"
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#endif /* GLX_INDIRECT_RENDERING */
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