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/*
* Copyright © 2005 Novell, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* Novell, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* Novell, Inc. makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL NOVELL, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: David Reveman <davidr@novell.com>
*/
#include "xglglx.h"
#ifdef GLXEXT
#ifdef XGL_MODULAR
#include <dlfcn.h>
#endif
xglGLXFuncRec __xglGLXFunc;
#ifndef NGLXEXTLOG
FILE *__xglGLXLogFp;
#endif
static void *glXHandle = 0;
static void *glCoreHandle = 0;
#define SYM(ptr, name) { (void **) &(ptr), (name) }
__GLXextensionInfo *__xglExtensionInfo;
__GLXscreenInfo *__xglScreenInfoPtr;
void
GlxSetVisualConfigs (int nconfigs,
__GLXvisualConfig *configs,
void **privates)
{
if (glXHandle && glCoreHandle)
(*__xglGLXFunc.setVisualConfigs) (nconfigs, configs, privates);
}
void
GlxExtensionInit (void)
{
if (glXHandle && glCoreHandle)
(*__xglGLXFunc.extensionInit) ();
}
void
GlxWrapInitVisuals (miInitVisualsProcPtr *initVisuals)
{
if (glXHandle && glCoreHandle)
(*__xglGLXFunc.wrapInitVisuals) (initVisuals);
}
int
GlxInitVisuals (VisualPtr *visualp,
DepthPtr *depthp,
int *nvisualp,
int *ndepthp,
int *rootDepthp,
VisualID *defaultVisp,
unsigned long sizes,
int bitsPerRGB,
int preferredVis)
{
if (glXHandle && glCoreHandle)
return (*__xglGLXFunc.initVisuals) (visualp, depthp, nvisualp, ndepthp,
rootDepthp, defaultVisp, sizes,
bitsPerRGB, preferredVis);
return 0;
}
void
GlxFlushContextCache (void)
{
(*__xglGLXFunc.flushContextCache) ();
}
void
GlxSetRenderTables (struct _glapi_table *table)
{
(*__xglGLXFunc.setRenderTables) (table);
}
struct _glapi_table *_mglapi_Dispatch;
void *(*__glcore_DDXScreenInfo)(void);
void *__glXglDDXScreenInfo(void)
{
return __xglScreenInfoPtr;
}
void *(*__glcore_DDXExtensionInfo)(void);
void *__glXglDDXExtensionInfo(void)
{
return __xglExtensionInfo;
}
void _gl_copy_visual_to_context_mode( __GLcontextModes * mode,
const __GLXvisualConfig * config )
{
(*__xglGLXFunc.copy_visual_to_context_mode)(mode, config);
}
__GLcontextModes *_gl_context_modes_create( unsigned count, size_t minimum_size )
{
return (*__xglGLXFunc.context_modes_create)(count, minimum_size);
}
void _gl_context_modes_destroy( __GLcontextModes * modes )
{
(*__xglGLXFunc.context_modes_destroy)(modes);
}
GLint _gl_convert_from_x_visual_type( int visualType )
{
return (*__xglGLXFunc.convert_from_x_visual_type)(visualType);
}
GLint _gl_convert_to_x_visual_type( int visualType )
{
return (*__xglGLXFunc.convert_to_x_visual_type)(visualType);
}
Bool
xglLoadGLXModules (void)
{
#ifdef XGL_MODULAR
if (!glXHandle)
{
xglSymbolRec sym[] = {
SYM (__xglGLXFunc.extensionInit, "GlxExtensionInit"),
SYM (__xglGLXFunc.setVisualConfigs, "GlxSetVisualConfigs"),
SYM (__xglGLXFunc.wrapInitVisuals, "GlxWrapInitVisuals"),
SYM (__xglGLXFunc.initVisuals, "GlxInitVisuals"),
SYM (__xglGLXFunc.flushContextCache, "__glXFlushContextCache"),
SYM (__xglGLXFunc.setRenderTables, "GlxSetRenderTables"),
SYM (__xglGLXFunc.copy_visual_to_context_mode, "_gl_copy_visual_to_context_mode"),
SYM (__xglGLXFunc.context_modes_create, "_gl_context_modes_create"),
SYM (__xglGLXFunc.context_modes_destroy, "_gl_context_modes_destroy"),
SYM (__xglGLXFunc.convert_from_x_visual_type, "_gl_convert_from_x_visual_type"),
SYM (__xglGLXFunc.convert_to_x_visual_type, "_gl_convert_to_x_visual_type"),
};
glXHandle = xglLoadModule ("glx", RTLD_NOW | RTLD_LOCAL);
if (!glXHandle)
return FALSE;
if (!xglLookupSymbols (glXHandle, sym, sizeof (sym) / sizeof (sym[0])))
{
xglUnloadModule (glXHandle);
glXHandle = 0;
return FALSE;
}
}
if (!glCoreHandle)
{
xglSymbolRec ddxsym[] = {
SYM (__glcore_DDXExtensionInfo, "__glXglDDXExtensionInfo"),
SYM (__glcore_DDXScreenInfo, "__glXglDDXScreenInfo")
};
glCoreHandle = xglLoadModule ("glcore", RTLD_NOW | RTLD_LOCAL);
if (!glCoreHandle)
return FALSE;
if (!xglLookupSymbols (glCoreHandle, ddxsym,
sizeof (ddxsym) / sizeof(ddxsym[0])))
{
xglUnloadModule (glCoreHandle);
glCoreHandle = 0;
return FALSE;
}
__xglScreenInfoPtr = __glcore_DDXScreenInfo();
__xglExtensionInfo = __glcore_DDXExtensionInfo();
{
xglSymbolRec sym[] = {
SYM (__xglScreenInfoPtr->screenProbe, "__MESA_screenProbe"),
SYM (__xglScreenInfoPtr->createContext, "__MESA_createContext"),
SYM (__xglScreenInfoPtr->createBuffer, "__MESA_createBuffer"),
SYM (__xglExtensionInfo->resetExtension,
"__MESA_resetExtension"),
SYM (__xglExtensionInfo->initVisuals, "__MESA_initVisuals"),
SYM (__xglExtensionInfo->setVisualConfigs,
"__MESA_setVisualConfigs"),
};
if (!xglLookupSymbols (glCoreHandle, sym,
sizeof (sym) / sizeof (sym[0])))
{
xglUnloadModule (glCoreHandle);
glCoreHandle = 0;
return FALSE;
}
}
if (!xglLoadHashFuncs (glCoreHandle))
{
xglUnloadModule (glCoreHandle);
glCoreHandle = 0;
}
}
return TRUE;
#else
return FALSE;
#endif
}
void
xglUnloadGLXModules (void)
{
#ifdef XGL_MODULAR
if (glXHandle)
{
xglUnloadModule (glXHandle);
glXHandle = 0;
}
if (glCoreHandle)
{
xglUnloadModule (glCoreHandle);
glCoreHandle = 0;
}
#endif
}
#endif
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