diff options
Diffstat (limited to 'xorg-server/hw/xgl/xglglx.c')
| -rw-r--r-- | xorg-server/hw/xgl/xglglx.c | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/xorg-server/hw/xgl/xglglx.c b/xorg-server/hw/xgl/xglglx.c new file mode 100644 index 000000000..d92f9659e --- /dev/null +++ b/xorg-server/hw/xgl/xglglx.c @@ -0,0 +1,260 @@ +/* + * 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 |