diff options
Diffstat (limited to 'src/glx/x11/glxext.c')
| -rw-r--r-- | src/glx/x11/glxext.c | 1225 |
1 files changed, 181 insertions, 1044 deletions
diff --git a/src/glx/x11/glxext.c b/src/glx/x11/glxext.c index 6403cbd56d..c5322f6d93 100644 --- a/src/glx/x11/glxext.c +++ b/src/glx/x11/glxext.c @@ -44,57 +44,25 @@ */ #include "glxclient.h" -#include <stdio.h> #include <X11/extensions/Xext.h> #include <X11/extensions/extutil.h> -#include <X11/extensions/Xfixes.h> -#include <X11/extensions/Xdamage.h> -#include <assert.h> -#include "indirect_init.h" #include "glapi.h" #include "glxextensions.h" #include "glcontextmodes.h" #include "glheader.h" -#ifdef GLX_DIRECT_RENDERING -#include <inttypes.h> -#include <sys/mman.h> -#include "xf86dri.h" -#include "sarea.h" -#include "dri_glx.h" -#endif - #ifdef USE_XCB #include <X11/Xlib-xcb.h> #include <xcb/xcb.h> #include <xcb/glx.h> #endif -#include <assert.h> #ifdef DEBUG void __glXDumpDrawBuffer(__GLXcontext *ctx); #endif #ifdef USE_SPARC_ASM -/* - * This is where our dispatch table's bounds are. - * And the static mesa_init is taken directly from - * Mesa's 'sparc.c' initializer. - * - * We need something like this here, because this version - * of openGL/glx never initializes a Mesa context, and so - * the address of the dispatch table pointer never gets stuffed - * into the dispatch jump table otherwise. - * - * It matters only on SPARC, and only if you are using assembler - * code instead of C-code indirect dispatch. - * - * -- FEM, 04.xii.03 - */ -extern unsigned int _mesa_sparc_glapi_begin; -extern unsigned int _mesa_sparc_glapi_end; -extern void __glapi_sparc_icache_flush(unsigned int *); static void _glx_mesa_init_sparc_glapi_relocs(void); static int _mesa_sparc_needs_init = 1; #define INIT_MESA_SPARC { \ @@ -107,173 +75,11 @@ static int _mesa_sparc_needs_init = 1; #define INIT_MESA_SPARC #endif -#ifdef GLX_DIRECT_RENDERING -static __DRIscreen *__glXFindDRIScreen(__DRInativeDisplay *dpy, int scrn); -#endif /* GLX_DIRECT_RENDERING */ - -static Bool MakeContextCurrent(Display *dpy, GLXDrawable draw, - GLXDrawable read, GLXContext gc); - -/* -** We setup some dummy structures here so that the API can be used -** even if no context is current. -*/ - -static GLubyte dummyBuffer[__GLX_BUFFER_LIMIT_SIZE]; - -/* -** Dummy context used by small commands when there is no current context. -** All the -** gl and glx entry points are designed to operate as nop's when using -** the dummy context structure. -*/ -static __GLXcontext dummyContext = { - &dummyBuffer[0], - &dummyBuffer[0], - &dummyBuffer[0], - &dummyBuffer[__GLX_BUFFER_LIMIT_SIZE], - sizeof(dummyBuffer), -}; - - -/* -** All indirect rendering contexts will share the same indirect dispatch table. -*/ -static __GLapi *IndirectAPI = NULL; - - -/* - * Current context management and locking - */ - -#if defined( USE_XTHREADS ) - -/* thread safe */ -static GLboolean TSDinitialized = GL_FALSE; -static xthread_key_t ContextTSD; - -__GLXcontext *__glXGetCurrentContext(void) -{ - if (!TSDinitialized) { - xthread_key_create(&ContextTSD, NULL); - TSDinitialized = GL_TRUE; - return &dummyContext; - } - else { - void *p; - xthread_get_specific(ContextTSD, &p); - if (!p) - return &dummyContext; - else - return (__GLXcontext *) p; - } -} - -void __glXSetCurrentContext(__GLXcontext *c) -{ - if (!TSDinitialized) { - xthread_key_create(&ContextTSD, NULL); - TSDinitialized = GL_TRUE; - } - xthread_set_specific(ContextTSD, c); -} - - -/* Used by the __glXLock() and __glXUnlock() macros */ -xmutex_rec __glXmutex; - -#elif defined( PTHREADS ) - -pthread_mutex_t __glXmutex = PTHREAD_MUTEX_INITIALIZER; - -# if defined( GLX_USE_TLS ) - -/** - * Per-thread GLX context pointer. - * - * \c __glXSetCurrentContext is written is such a way that this pointer can - * \b never be \c NULL. This is important! Because of this - * \c __glXGetCurrentContext can be implemented as trivial macro. - */ -__thread void * __glX_tls_Context __attribute__((tls_model("initial-exec"))) - = &dummyContext; - -void __glXSetCurrentContext( __GLXcontext * c ) -{ - __glX_tls_Context = (c != NULL) ? c : &dummyContext; -} - -# else - -static pthread_once_t once_control = PTHREAD_ONCE_INIT; - -/** - * Per-thread data key. - * - * Once \c init_thread_data has been called, the per-thread data key will - * take a value of \c NULL. As each new thread is created the default - * value, in that thread, will be \c NULL. - */ -static pthread_key_t ContextTSD; - -/** - * Initialize the per-thread data key. - * - * This function is called \b exactly once per-process (not per-thread!) to - * initialize the per-thread data key. This is ideally done using the - * \c pthread_once mechanism. - */ -static void init_thread_data( void ) -{ - if ( pthread_key_create( & ContextTSD, NULL ) != 0 ) { - perror( "pthread_key_create" ); - exit( -1 ); - } -} - -void __glXSetCurrentContext( __GLXcontext * c ) -{ - pthread_once( & once_control, init_thread_data ); - pthread_setspecific( ContextTSD, c ); -} - -__GLXcontext * __glXGetCurrentContext( void ) -{ - void * v; - - pthread_once( & once_control, init_thread_data ); - - v = pthread_getspecific( ContextTSD ); - return (v == NULL) ? & dummyContext : (__GLXcontext *) v; -} - -# endif /* defined( GLX_USE_TLS ) */ - -#elif defined( THREADS ) - -#error Unknown threading method specified. - -#else - -/* not thread safe */ -__GLXcontext *__glXcurrentContext = &dummyContext; - -#endif - - /* ** You can set this cell to 1 to force the gl drawing stuff to be ** one command per packet */ -int __glXDebug = 0; - -/* -** forward prototype declarations -*/ -int __glXCloseDisplay(Display *dpy, XExtCodes *codes); - - -/************************************************************************/ +_X_HIDDEN int __glXDebug = 0; /* Extension required boiler plate */ @@ -296,16 +102,13 @@ static /* const */ char *error_list[] = { "GLXBadWindow", }; -int __glXCloseDisplay(Display *dpy, XExtCodes *codes) +static int __glXCloseDisplay(Display *dpy, XExtCodes *codes) { GLXContext gc; gc = __glXGetCurrentContext(); if (dpy == gc->currentDpy) { - __glXSetCurrentContext(&dummyContext); -#ifdef GLX_DIRECT_RENDERING - _glapi_set_dispatch(NULL); /* no-op functions */ -#endif + __glXSetCurrentContextNull(); __glXFreeContext(gc); } @@ -352,22 +155,27 @@ static void FreeScreenConfigs(__GLXdisplayPrivate *priv) for (i = 0; i < screens; i++, psc++) { if (psc->configs) { _gl_context_modes_destroy( psc->configs ); - if(psc->effectiveGLXexts) + if (psc->effectiveGLXexts) Xfree(psc->effectiveGLXexts); - psc->configs = NULL; /* NOTE: just for paranoia */ } - Xfree((char*) psc->serverGLXexts); + if (psc->visuals) { + _gl_context_modes_destroy( psc->visuals ); + psc->visuals = NULL; /* NOTE: just for paranoia */ + } + Xfree((char*) psc->serverGLXexts); #ifdef GLX_DIRECT_RENDERING - /* Free the direct rendering per screen data */ - if (psc->driScreen.private) - (*psc->driScreen.destroyScreen)(priv->dpy, i, - psc->driScreen.private); - psc->driScreen.private = NULL; + if (psc->driScreen) { + psc->driScreen->destroyScreen(psc); + __glxHashDestroy(psc->drawHash); + XFree(psc->driScreen); + psc->driScreen = NULL; + } #endif } XFree((char*) priv->screenConfigs); + priv->screenConfigs = NULL; } /* @@ -391,14 +199,17 @@ static int __glXFreeDisplayPrivate(XExtData *extension) #ifdef GLX_DIRECT_RENDERING /* Free the direct rendering per display data */ - if (priv->driDisplay.private) - (*priv->driDisplay.destroyDisplay)(priv->dpy, - priv->driDisplay.private); - priv->driDisplay.private = NULL; - if (priv->driDisplay.createNewScreen) { - Xfree(priv->driDisplay.createNewScreen); /* free array of ptrs */ - priv->driDisplay.createNewScreen = NULL; - } + if (priv->driswDisplay) + (*priv->driswDisplay->destroyDisplay)(priv->driswDisplay); + priv->driswDisplay = NULL; + + if (priv->driDisplay) + (*priv->driDisplay->destroyDisplay)(priv->driDisplay); + priv->driDisplay = NULL; + + if (priv->dri2Display) + (*priv->dri2Display->destroyDisplay)(priv->dri2Display); + priv->dri2Display = NULL; #endif Xfree((char*) priv); @@ -440,7 +251,7 @@ static Bool QueryVersion(Display *dpy, int opcode, int *major, int *minor) } -void +_X_HIDDEN void __glXInitializeVisualConfigFromTags( __GLcontextModes *config, int count, const INT32 *bp, Bool tagged_only, Bool fbconfig_style_tags ) @@ -634,371 +445,128 @@ __glXInitializeVisualConfigFromTags( __GLcontextModes *config, int count, config->haveStencilBuffer = (config->stencilBits > 0); } - -#ifdef GLX_DIRECT_RENDERING -static unsigned -filter_modes( __GLcontextModes ** server_modes, - const __GLcontextModes * driver_modes ) +static __GLcontextModes * +createConfigsFromProperties(Display *dpy, int nvisuals, int nprops, + int screen, GLboolean tagged_only) { - __GLcontextModes * m; - __GLcontextModes ** prev_next; - const __GLcontextModes * check; - unsigned modes_count = 0; - - if ( driver_modes == NULL ) { - fprintf(stderr, "libGL warning: 3D driver returned no fbconfigs.\n"); - return 0; - } - - /* For each mode in server_modes, check to see if a matching mode exists - * in driver_modes. If not, then the mode is not available. - */ + INT32 buf[__GLX_TOTAL_CONFIG], *props; + unsigned prop_size; + __GLcontextModes *modes, *m; + int i; - prev_next = server_modes; - for ( m = *prev_next ; m != NULL ; m = *prev_next ) { - GLboolean do_delete = GL_TRUE; + if (nprops == 0) + return NULL; - for ( check = driver_modes ; check != NULL ; check = check->next ) { - if ( _gl_context_modes_are_same( m, check ) ) { - do_delete = GL_FALSE; - break; - } - } + /* FIXME: Is the __GLX_MIN_CONFIG_PROPS test correct for FBconfigs? */ - /* The 3D has to support all the modes that match the GLX visuals - * sent from the X server. - */ - if ( do_delete && (m->visualID != 0) ) { - do_delete = GL_FALSE; - - if (getenv("LIBGL_DEBUG")) { - fprintf(stderr, "libGL warning: 3D driver claims to not support " - "visual 0x%02x\n", m->visualID); - } - } + /* Check number of properties */ + if (nprops < __GLX_MIN_CONFIG_PROPS || nprops > __GLX_MAX_CONFIG_PROPS) + return NULL; - if ( do_delete ) { - *prev_next = m->next; + /* Allocate memory for our config structure */ + modes = _gl_context_modes_create(nvisuals, sizeof(__GLcontextModes)); + if (!modes) + return NULL; - m->next = NULL; - _gl_context_modes_destroy( m ); - } - else { - modes_count++; - prev_next = & m->next; - } + prop_size = nprops * __GLX_SIZE_INT32; + if (prop_size <= sizeof(buf)) + props = buf; + else + props = Xmalloc(prop_size); + + /* Read each config structure and convert it into our format */ + m = modes; + for (i = 0; i < nvisuals; i++) { + _XRead(dpy, (char *)props, prop_size); + /* Older X servers don't send this so we default it here. */ + m->drawableType = GLX_WINDOW_BIT; + __glXInitializeVisualConfigFromTags(m, nprops, props, + tagged_only, GL_TRUE); + m->screen = screen; + m = m->next; } - return modes_count; -} - + if (props != buf) + Xfree(props); -/** - * Implement \c __DRIinterfaceMethods::getProcAddress. - */ -static __DRIfuncPtr get_proc_address( const char * proc_name ) -{ - if (strcmp( proc_name, "glxEnableExtension" ) == 0) { - return (__DRIfuncPtr) __glXScrEnableExtension; - } - - return NULL; + return modes; } -#ifdef XDAMAGE_1_1_INTERFACE -static GLboolean has_damage_post(__DRInativeDisplay *dpy) +static GLboolean +getVisualConfigs(Display *dpy, __GLXdisplayPrivate *priv, int screen) { - static GLboolean inited = GL_FALSE; - static GLboolean has_damage; - - if (!inited) { - int major, minor; - - if (XDamageQueryVersion(dpy, &major, &minor) && - major == 1 && minor >= 1) - { - has_damage = GL_TRUE; - } else { - has_damage = GL_FALSE; - } - inited = GL_TRUE; - } + xGLXGetVisualConfigsReq *req; + __GLXscreenConfigs *psc; + xGLXGetVisualConfigsReply reply; + + LockDisplay(dpy); - return has_damage; -} -#endif /* XDAMAGE_1_1_INTERFACE */ + psc = priv->screenConfigs + screen; + psc->visuals = NULL; + GetReq(GLXGetVisualConfigs, req); + req->reqType = priv->majorOpcode; + req->glxCode = X_GLXGetVisualConfigs; + req->screen = screen; -static void __glXReportDamage(__DRInativeDisplay *dpy, int screen, - __DRIid drawable, - int x, int y, - drm_clip_rect_t *rects, int num_rects, - GLboolean front_buffer) -{ -#ifdef XDAMAGE_1_1_INTERFACE - XRectangle *xrects; - XserverRegion region; - int i; - int x_off, y_off; - - if (!has_damage_post(dpy)) - return; - - if (front_buffer) { - x_off = x; - y_off = y; - drawable = RootWindow(dpy, screen); - } else{ - x_off = 0; - y_off = 0; - } + if (!_XReply(dpy, (xReply*) &reply, 0, False)) + goto out; - xrects = malloc(sizeof(XRectangle) * num_rects); - if (xrects == NULL) - return; + psc->visuals = createConfigsFromProperties(dpy, + reply.numVisuals, + reply.numProps, + screen, GL_FALSE); - for (i = 0; i < num_rects; i++) { - xrects[i].x = rects[i].x1 + x_off; - xrects[i].y = rects[i].y1 + y_off; - xrects[i].width = rects[i].x2 - rects[i].x1; - xrects[i].height = rects[i].y2 - rects[i].y1; - } - region = XFixesCreateRegion(dpy, xrects, num_rects); - free(xrects); - XDamageAdd(dpy, drawable, region); - XFixesDestroyRegion(dpy, region); -#endif + out: + UnlockDisplay(dpy); + return psc->visuals != NULL; } -/** - * Table of functions exported by the loader to the driver. - */ -static const __DRIinterfaceMethods interface_methods = { - get_proc_address, - - _gl_context_modes_create, - _gl_context_modes_destroy, - - __glXFindDRIScreen, - __glXWindowExists, - - XF86DRICreateContextWithConfig, - XF86DRIDestroyContext, - - XF86DRICreateDrawable, - XF86DRIDestroyDrawable, - XF86DRIGetDrawableInfo, - - __glXGetUST, - __glXGetMscRateOML, - - __glXReportDamage, -}; - - - -/** - * Perform the required libGL-side initialization and call the client-side - * driver's \c __driCreateNewScreen function. - * - * \param dpy Display pointer. - * \param scrn Screen number on the display. - * \param psc DRI screen information. - * \param driDpy DRI display information. - * \param createNewScreen Pointer to the client-side driver's - * \c __driCreateNewScreen function. - * \returns A pointer to the \c __DRIscreenPrivate structure returned by - * the client-side driver on success, or \c NULL on failure. - * - * \todo This function needs to be modified to remove context-modes from the - * list stored in the \c __GLXscreenConfigsRec to match the list - * returned by the client-side driver. - */ -static void * -CallCreateNewScreen(Display *dpy, int scrn, __DRIscreen *psc, - __DRIdisplay * driDpy, - PFNCREATENEWSCREENFUNC createNewScreen) +static GLboolean +getFBConfigs(Display *dpy, __GLXdisplayPrivate *priv, int screen) { - __DRIscreenPrivate *psp = NULL; -#ifndef GLX_USE_APPLEGL - drm_handle_t hSAREA; - drmAddress pSAREA = MAP_FAILED; - char *BusID; - __DRIversion ddx_version; - __DRIversion dri_version; - __DRIversion drm_version; - __DRIframebuffer framebuffer; - int fd = -1; - int status; - const char * err_msg; - const char * err_extra; - int api_ver = __glXGetInternalVersion(); - - - dri_version.major = driDpy->private->driMajor; - dri_version.minor = driDpy->private->driMinor; - dri_version.patch = driDpy->private->driPatch; - - - err_msg = "XF86DRIOpenConnection"; - err_extra = NULL; - - framebuffer.base = MAP_FAILED; - framebuffer.dev_priv = NULL; - - if (XF86DRIOpenConnection(dpy, scrn, &hSAREA, &BusID)) { - int newlyopened; - fd = drmOpenOnce(NULL,BusID, &newlyopened); - Xfree(BusID); /* No longer needed */ - - err_msg = "open DRM"; - err_extra = strerror( -fd ); - - if (fd >= 0) { - drm_magic_t magic; - - err_msg = "drmGetMagic"; - err_extra = NULL; - - if (!drmGetMagic(fd, &magic)) { - drmVersionPtr version = drmGetVersion(fd); - if (version) { - drm_version.major = version->version_major; - drm_version.minor = version->version_minor; - drm_version.patch = version->version_patchlevel; - drmFreeVersion(version); - } - else { - drm_version.major = -1; - drm_version.minor = -1; - drm_version.patch = -1; - } - - err_msg = "XF86DRIAuthConnection"; - if (!newlyopened || XF86DRIAuthConnection(dpy, scrn, magic)) { - char *driverName; - - /* - * Get device name (like "tdfx") and the ddx version - * numbers. We'll check the version in each DRI driver's - * "createNewScreen" function. - */ - err_msg = "XF86DRIGetClientDriverName"; - if (XF86DRIGetClientDriverName(dpy, scrn, - &ddx_version.major, - &ddx_version.minor, - &ddx_version.patch, - &driverName)) { - drm_handle_t hFB; - int junk; - - /* No longer needed. */ - Xfree( driverName ); - - - /* - * Get device-specific info. pDevPriv will point to a struct - * (such as DRIRADEONRec in xfree86/driver/ati/radeon_dri.h) - * that has information about the screen size, depth, pitch, - * ancilliary buffers, DRM mmap handles, etc. - */ - err_msg = "XF86DRIGetDeviceInfo"; - if (XF86DRIGetDeviceInfo(dpy, scrn, - &hFB, - &junk, - &framebuffer.size, - &framebuffer.stride, - &framebuffer.dev_priv_size, - &framebuffer.dev_priv)) { - framebuffer.width = DisplayWidth(dpy, scrn); - framebuffer.height = DisplayHeight(dpy, scrn); - - /* - * Map the framebuffer region. - */ - status = drmMap(fd, hFB, framebuffer.size, - (drmAddressPtr)&framebuffer.base); - - err_msg = "drmMap of framebuffer"; - err_extra = strerror( -status ); - - if ( status == 0 ) { - /* - * Map the SAREA region. Further mmap regions - * may be setup in each DRI driver's - * "createNewScreen" function. - */ - status = drmMap(fd, hSAREA, SAREA_MAX, - &pSAREA); - - err_msg = "drmMap of sarea"; - err_extra = strerror( -status ); - - if ( status == 0 ) { - __GLcontextModes * driver_modes = NULL; - __GLXscreenConfigs *configs = psc->screenConfigs; - - err_msg = "InitDriver"; - err_extra = NULL; - psp = (*createNewScreen)(dpy, scrn, - psc, - configs->configs, - & ddx_version, - & dri_version, - & drm_version, - & framebuffer, - pSAREA, - fd, - api_ver, - & interface_methods, - & driver_modes ); - - filter_modes( & configs->configs, - driver_modes ); - _gl_context_modes_destroy( driver_modes ); - } - } - } - } - } - } - } - } - - if ( psp == NULL ) { - if ( pSAREA != MAP_FAILED ) { - (void)drmUnmap(pSAREA, SAREA_MAX); - } - - if ( framebuffer.base != MAP_FAILED ) { - (void)drmUnmap((drmAddress)framebuffer.base, framebuffer.size); - } + xGLXGetFBConfigsReq *fb_req; + xGLXGetFBConfigsSGIXReq *sgi_req; + xGLXVendorPrivateWithReplyReq *vpreq; + xGLXGetFBConfigsReply reply; + __GLXscreenConfigs *psc; - if ( framebuffer.dev_priv != NULL ) { - Xfree(framebuffer.dev_priv); - } + psc = priv->screenConfigs + screen; + psc->serverGLXexts = __glXGetStringFromServer(dpy, priv->majorOpcode, + X_GLXQueryServerString, + screen, GLX_EXTENSIONS); - if ( fd >= 0 ) { - (void)drmCloseOnce(fd); - } + LockDisplay(dpy); - (void)XF86DRICloseConnection(dpy, scrn); + psc->configs = NULL; + if (atof(priv->serverGLXversion) >= 1.3) { + GetReq(GLXGetFBConfigs, fb_req); + fb_req->reqType = priv->majorOpcode; + fb_req->glxCode = X_GLXGetFBConfigs; + fb_req->screen = screen; + } else if (strstr(psc->serverGLXexts, "GLX_SGIX_fbconfig") != NULL) { + GetReqExtra(GLXVendorPrivateWithReply, + sz_xGLXGetFBConfigsSGIXReq + + sz_xGLXVendorPrivateWithReplyReq, vpreq); + sgi_req = (xGLXGetFBConfigsSGIXReq *) vpreq; + sgi_req->reqType = priv->majorOpcode; + sgi_req->glxCode = X_GLXVendorPrivateWithReply; + sgi_req->vendorCode = X_GLXvop_GetFBConfigsSGIX; + sgi_req->screen = screen; + } else + goto out; - if ( err_extra != NULL ) { - fprintf(stderr, "libGL error: %s failed (%s)\n", err_msg, - err_extra); - } - else { - fprintf(stderr, "libGL error: %s failed\n", err_msg ); - } + if (!_XReply(dpy, (xReply*) &reply, 0, False)) + goto out; - fprintf(stderr, "libGL error: reverting to (slow) indirect rendering\n"); - } -#endif /* !GLX_USE_APPLEGL */ + psc->configs = createConfigsFromProperties(dpy, + reply.numFBConfigs, + reply.numAttribs * 2, + screen, GL_TRUE); - return psp; + out: + UnlockDisplay(dpy); + return psc->configs != NULL; } -#endif /* GLX_DIRECT_RENDERING */ - /* ** Allocate the memory for the per screen configs for each screen. @@ -1006,17 +574,8 @@ CallCreateNewScreen(Display *dpy, int scrn, __DRIscreen *psc, */ static Bool AllocAndFetchScreenConfigs(Display *dpy, __GLXdisplayPrivate *priv) { - xGLXGetVisualConfigsReq *req; - xGLXGetFBConfigsReq *fb_req; - xGLXVendorPrivateWithReplyReq *vpreq; - xGLXGetFBConfigsSGIXReq *sgi_req; - xGLXGetVisualConfigsReply reply; __GLXscreenConfigs *psc; - __GLcontextModes *config; - GLint i, j, nprops, screens; - INT32 buf[__GLX_TOTAL_CONFIG], *props; - unsigned supported_request = 0; - unsigned prop_size; + GLint i, screens; /* ** First allocate memory for the array of per screen configs. @@ -1030,159 +589,36 @@ static Bool AllocAndFetchScreenConfigs(Display *dpy, __GLXdisplayPrivate *priv) priv->screenConfigs = psc; priv->serverGLXversion = __glXGetStringFromServer(dpy, priv->majorOpcode, - X_GLXQueryServerString, - 0, GLX_VERSION); + X_GLXQueryServerString, + 0, GLX_VERSION); if ( priv->serverGLXversion == NULL ) { FreeScreenConfigs(priv); return GL_FALSE; } - if ( atof( priv->serverGLXversion ) >= 1.3 ) { - supported_request = 1; - } - - /* - ** Now fetch each screens configs structures. If a screen supports - ** GL (by returning a numVisuals > 0) then allocate memory for our - ** config structure and then fill it in. - */ for (i = 0; i < screens; i++, psc++) { - if ( supported_request != 1 ) { - psc->serverGLXexts = __glXGetStringFromServer(dpy, priv->majorOpcode, - X_GLXQueryServerString, - i, GLX_EXTENSIONS); - if ( strstr( psc->serverGLXexts, "GLX_SGIX_fbconfig" ) != NULL ) { - supported_request = 2; - } - else { - supported_request = 3; - } - } - + getVisualConfigs(dpy, priv, i); + getFBConfigs(dpy, priv, i); - LockDisplay(dpy); - switch( supported_request ) { - case 1: - GetReq(GLXGetFBConfigs,fb_req); - fb_req->reqType = priv->majorOpcode; - fb_req->glxCode = X_GLXGetFBConfigs; - fb_req->screen = i; - break; - - case 2: - GetReqExtra(GLXVendorPrivateWithReply, - sz_xGLXGetFBConfigsSGIXReq-sz_xGLXVendorPrivateWithReplyReq,vpreq); - sgi_req = (xGLXGetFBConfigsSGIXReq *) vpreq; - sgi_req->reqType = priv->majorOpcode; - sgi_req->glxCode = X_GLXVendorPrivateWithReply; - sgi_req->vendorCode = X_GLXvop_GetFBConfigsSGIX; - sgi_req->screen = i; - break; - - case 3: - GetReq(GLXGetVisualConfigs,req); - req->reqType = priv->majorOpcode; - req->glxCode = X_GLXGetVisualConfigs; - req->screen = i; - break; - } - - if (!_XReply(dpy, (xReply*) &reply, 0, False)) { - /* Something is busted. Punt. */ - UnlockDisplay(dpy); - SyncHandle(); - FreeScreenConfigs(priv); - return GL_FALSE; - } - - if (!reply.numVisuals) { - /* This screen does not support GL rendering */ - UnlockDisplay(dpy); +#ifdef GLX_DIRECT_RENDERING + psc->scr = i; + psc->dpy = dpy; + psc->drawHash = __glxHashCreate(); + if (psc->drawHash == NULL) continue; - } - /* FIXME: Is the __GLX_MIN_CONFIG_PROPS test correct for - * FIXME: FBconfigs? - */ - /* Check number of properties */ - nprops = reply.numProps; - if ((nprops < __GLX_MIN_CONFIG_PROPS) || - (nprops > __GLX_MAX_CONFIG_PROPS)) { - /* Huh? Not in protocol defined limits. Punt */ - UnlockDisplay(dpy); - SyncHandle(); - FreeScreenConfigs(priv); - return GL_FALSE; - } + if (priv->dri2Display) + psc->driScreen = (*priv->dri2Display->createScreen)(psc, i, priv); - /* Allocate memory for our config structure */ - psc->configs = _gl_context_modes_create(reply.numVisuals, - sizeof(__GLcontextModes)); - if (!psc->configs) { - UnlockDisplay(dpy); - SyncHandle(); - FreeScreenConfigs(priv); - return GL_FALSE; - } + if (psc->driScreen == NULL && priv->driDisplay) + psc->driScreen = (*priv->driDisplay->createScreen)(psc, i, priv); - /* Allocate memory for the properties, if needed */ - if ( supported_request != 3 ) { - nprops *= 2; - } + if (psc->driScreen == NULL && priv->driswDisplay) + psc->driScreen = (*priv->driswDisplay->createScreen)(psc, i, priv); - prop_size = nprops * __GLX_SIZE_INT32; - - if (prop_size <= sizeof(buf)) { - props = buf; - } else { - props = (INT32 *) Xmalloc(prop_size); - } - - /* Read each config structure and convert it into our format */ - config = psc->configs; - for (j = 0; j < reply.numVisuals; j++) { - assert( config != NULL ); - _XRead(dpy, (char *)props, prop_size); - - if ( supported_request != 3 ) { - config->rgbMode = GL_TRUE; - config->drawableType = GLX_WINDOW_BIT; - } - else { - config->drawableType = GLX_WINDOW_BIT | GLX_PIXMAP_BIT; - } - - __glXInitializeVisualConfigFromTags( config, nprops, props, - (supported_request != 3), - GL_TRUE ); - if ( config->fbconfigID == GLX_DONT_CARE ) { - config->fbconfigID = config->visualID; - } - config->screen = i; - config = config->next; - } - if (props != buf) { - Xfree((char *)props); - } - UnlockDisplay(dpy); - -#ifdef GLX_DIRECT_RENDERING - /* Initialize per screen dynamic client GLX extensions */ - psc->ext_list_first_time = GL_TRUE; - /* Initialize the direct rendering per screen data and functions */ - if (priv->driDisplay.private != NULL) { - /* FIXME: Should it be some sort of an error if createNewScreen[i] - * FIXME: is NULL? - */ - if (priv->driDisplay.createNewScreen && - priv->driDisplay.createNewScreen[i]) { - - psc->driScreen.screenConfigs = (void *)psc; - psc->driScreen.private = - CallCreateNewScreen(dpy, i, & psc->driScreen, - & priv->driDisplay, - priv->driDisplay.createNewScreen[i] ); - } + if (psc->driScreen == NULL) { + __glxHashDestroy(psc->drawHash); + psc->drawHash = NULL; } #endif } @@ -1193,13 +629,16 @@ static Bool AllocAndFetchScreenConfigs(Display *dpy, __GLXdisplayPrivate *priv) /* ** Initialize the client side extension code. */ -__GLXdisplayPrivate *__glXInitialize(Display* dpy) +_X_HIDDEN __GLXdisplayPrivate *__glXInitialize(Display* dpy) { XExtDisplayInfo *info = __glXFindDisplay(dpy); XExtData **privList, *private, *found; __GLXdisplayPrivate *dpyPriv; XEDataObject dataObj; int major, minor; +#ifdef GLX_DIRECT_RENDERING + Bool glx_direct, glx_accel; +#endif #if defined(USE_XTHREADS) { @@ -1267,15 +706,20 @@ __GLXdisplayPrivate *__glXInitialize(Display* dpy) dpyPriv->serverGLXversion = 0x0; #ifdef GLX_DIRECT_RENDERING + glx_direct = (getenv("LIBGL_ALWAYS_INDIRECT") == NULL); + glx_accel = (getenv("LIBGL_ALWAYS_SOFTWARE") == NULL); + /* ** Initialize the direct rendering per display data and functions. ** Note: This _must_ be done before calling any other DRI routines ** (e.g., those called in AllocAndFetchScreenConfigs). */ - if (getenv("LIBGL_ALWAYS_INDIRECT") == NULL) { - dpyPriv->driDisplay.private = - driCreateDisplay(dpy, &dpyPriv->driDisplay); + if (glx_direct && glx_accel) { + dpyPriv->dri2Display = dri2CreateDisplay(dpy); + dpyPriv->driDisplay = driCreateDisplay(dpy); } + if (glx_direct) + dpyPriv->driswDisplay = driswCreateDisplay(dpy); #endif if (!AllocAndFetchScreenConfigs(dpy, dpyPriv)) { @@ -1308,7 +752,7 @@ __GLXdisplayPrivate *__glXInitialize(Display* dpy) ** Setup for sending a GLX command on dpy. Make sure the extension is ** initialized. Try to avoid calling __glXInitialize as its kinda slow. */ -CARD8 __glXSetupForCommand(Display *dpy) +_X_HIDDEN CARD8 __glXSetupForCommand(Display *dpy) { GLXContext gc; __GLXdisplayPrivate *priv; @@ -1349,7 +793,7 @@ CARD8 __glXSetupForCommand(Display *dpy) * Modify this function to use \c ctx->pc instead of the explicit * \c pc parameter. */ -GLubyte *__glXFlushRenderBuffer(__GLXcontext *ctx, GLubyte *pc) +_X_HIDDEN GLubyte *__glXFlushRenderBuffer(__GLXcontext *ctx, GLubyte *pc) { Display * const dpy = ctx->currentDpy; #ifdef USE_XCB @@ -1361,7 +805,8 @@ GLubyte *__glXFlushRenderBuffer(__GLXcontext *ctx, GLubyte *pc) if ( (dpy != NULL) && (size > 0) ) { #ifdef USE_XCB - xcb_glx_render(c, ctx->currentContextTag, size, (char *)ctx->buf); + xcb_glx_render(c, ctx->currentContextTag, size, + (const uint8_t *)ctx->buf); #else /* Send the entire buffer as an X request */ LockDisplay(dpy); @@ -1398,9 +843,9 @@ GLubyte *__glXFlushRenderBuffer(__GLXcontext *ctx, GLubyte *pc) * \param data Command data. * \param dataLen Size, in bytes, of the command data. */ -void __glXSendLargeChunk(__GLXcontext *gc, GLint requestNumber, - GLint totalRequests, - const GLvoid * data, GLint dataLen) +_X_HIDDEN void __glXSendLargeChunk(__GLXcontext *gc, GLint requestNumber, + GLint totalRequests, + const GLvoid * data, GLint dataLen) { Display *dpy = gc->currentDpy; #ifdef USE_XCB @@ -1446,9 +891,9 @@ void __glXSendLargeChunk(__GLXcontext *gc, GLint requestNumber, * \param data Command data. * \param dataLen Size, in bytes, of the command data. */ -void __glXSendLargeCommand(__GLXcontext *ctx, - const GLvoid *header, GLint headerLen, - const GLvoid *data, GLint dataLen) +_X_HIDDEN void __glXSendLargeCommand(__GLXcontext *ctx, + const GLvoid *header, GLint headerLen, + const GLvoid *data, GLint dataLen) { GLint maxSize; GLint totalRequests, requestNumber; @@ -1484,330 +929,8 @@ void __glXSendLargeCommand(__GLXcontext *ctx, /************************************************************************/ -PUBLIC GLXContext glXGetCurrentContext(void) -{ - GLXContext cx = __glXGetCurrentContext(); - - if (cx == &dummyContext) { - return NULL; - } else { - return cx; - } -} - -PUBLIC GLXDrawable glXGetCurrentDrawable(void) -{ - GLXContext gc = __glXGetCurrentContext(); - return gc->currentDrawable; -} - - -/************************************************************************/ - -#ifdef GLX_DIRECT_RENDERING -/* Return the DRI per screen structure */ -__DRIscreen *__glXFindDRIScreen(__DRInativeDisplay *dpy, int scrn) -{ - __DRIscreen *pDRIScreen = NULL; - XExtDisplayInfo *info = __glXFindDisplay(dpy); - XExtData **privList, *found; - __GLXdisplayPrivate *dpyPriv; - XEDataObject dataObj; - - __glXLock(); - dataObj.display = dpy; - privList = XEHeadOfExtensionList(dataObj); - found = XFindOnExtensionList(privList, info->codes->extension); - __glXUnlock(); - - if (found) { - dpyPriv = (__GLXdisplayPrivate *)found->private_data; - pDRIScreen = &dpyPriv->screenConfigs[scrn].driScreen; - } - - return pDRIScreen; -} -#endif - -/************************************************************************/ - -static Bool SendMakeCurrentRequest( Display *dpy, CARD8 opcode, - GLXContextID gc, GLXContextTag old_gc, GLXDrawable draw, GLXDrawable read, - xGLXMakeCurrentReply * reply ); - -/** - * Sends a GLX protocol message to the specified display to make the context - * and the drawables current. - * - * \param dpy Display to send the message to. - * \param opcode Major opcode value for the display. - * \param gc_id Context tag for the context to be made current. - * \param draw Drawable ID for the "draw" drawable. - * \param read Drawable ID for the "read" drawable. - * \param reply Space to store the X-server's reply. - * - * \warning - * This function assumes that \c dpy is locked with \c LockDisplay on entry. - */ -static Bool SendMakeCurrentRequest(Display *dpy, CARD8 opcode, - GLXContextID gc_id, GLXContextTag gc_tag, - GLXDrawable draw, GLXDrawable read, - xGLXMakeCurrentReply *reply) -{ - Bool ret; - - - LockDisplay(dpy); - - if (draw == read) { - xGLXMakeCurrentReq *req; - - GetReq(GLXMakeCurrent,req); - req->reqType = opcode; - req->glxCode = X_GLXMakeCurrent; - req->drawable = draw; - req->context = gc_id; - req->oldContextTag = gc_tag; - } - else { - __GLXdisplayPrivate *priv = __glXInitialize(dpy); - - /* If the server can support the GLX 1.3 version, we should - * perfer that. Not only that, some servers support GLX 1.3 but - * not the SGI extension. - */ - - if ((priv->majorVersion > 1) || (priv->minorVersion >= 3)) { - xGLXMakeContextCurrentReq *req; - - GetReq(GLXMakeContextCurrent,req); - req->reqType = opcode; - req->glxCode = X_GLXMakeContextCurrent; - req->drawable = draw; - req->readdrawable = read; - req->context = gc_id; - req->oldContextTag = gc_tag; - } - else { - xGLXVendorPrivateWithReplyReq *vpreq; - xGLXMakeCurrentReadSGIReq *req; - - GetReqExtra(GLXVendorPrivateWithReply, - sz_xGLXMakeCurrentReadSGIReq-sz_xGLXVendorPrivateWithReplyReq,vpreq); - req = (xGLXMakeCurrentReadSGIReq *)vpreq; - req->reqType = opcode; - req->glxCode = X_GLXVendorPrivateWithReply; - req->vendorCode = X_GLXvop_MakeCurrentReadSGI; - req->drawable = draw; - req->readable = read; - req->context = gc_id; - req->oldContextTag = gc_tag; - } - } - - ret = _XReply(dpy, (xReply*) reply, 0, False); - - UnlockDisplay(dpy); - SyncHandle(); - - return ret; -} - - -#ifdef GLX_DIRECT_RENDERING -static Bool BindContextWrapper( Display *dpy, GLXContext gc, - GLXDrawable draw, GLXDrawable read ) -{ - return (*gc->driContext.bindContext)(dpy, gc->screen, draw, read, - & gc->driContext); -} - - -static Bool UnbindContextWrapper( GLXContext gc ) -{ - return (*gc->driContext.unbindContext)(gc->currentDpy, gc->screen, - gc->currentDrawable, - gc->currentReadable, - & gc->driContext ); -} -#endif /* GLX_DIRECT_RENDERING */ - - -/** - * Make a particular context current. - * - * \note This is in this file so that it can access dummyContext. - */ -USED static Bool MakeContextCurrent(Display *dpy, GLXDrawable draw, - GLXDrawable read, GLXContext gc) -{ - xGLXMakeCurrentReply reply; - const GLXContext oldGC = __glXGetCurrentContext(); - const CARD8 opcode = __glXSetupForCommand(dpy); - const CARD8 oldOpcode = ((gc == oldGC) || (oldGC == &dummyContext)) - ? opcode : __glXSetupForCommand(oldGC->currentDpy); - Bool bindReturnValue; - - - if (!opcode || !oldOpcode) { - return GL_FALSE; - } - - /* Make sure that the new context has a nonzero ID. In the request, - * a zero context ID is used only to mean that we bind to no current - * context. - */ - if ((gc != NULL) && (gc->xid == None)) { - return GL_FALSE; - } - -#ifndef GLX_DIRECT_RENDERING - if (gc && gc->isDirect) { - return GL_FALSE; - } -#endif - - _glapi_check_multithread(); - -#ifdef GLX_DIRECT_RENDERING - /* Bind the direct rendering context to the drawable */ - if (gc && gc->isDirect) { - bindReturnValue = (gc->driContext.private) - ? BindContextWrapper(dpy, gc, draw, read) - : False; - } else -#endif - { - /* Send a glXMakeCurrent request to bind the new context. */ - bindReturnValue = - SendMakeCurrentRequest(dpy, opcode, gc ? gc->xid : None, - ((dpy != oldGC->currentDpy) || oldGC->isDirect) - ? None : oldGC->currentContextTag, - draw, read, &reply); - } - - - if (!bindReturnValue) { - return False; - } - - if ((dpy != oldGC->currentDpy || (gc && gc->isDirect)) && - !oldGC->isDirect && oldGC != &dummyContext) { - xGLXMakeCurrentReply dummy_reply; - - /* We are either switching from one dpy to another and have to - * send a request to the previous dpy to unbind the previous - * context, or we are switching away from a indirect context to - * a direct context and have to send a request to the dpy to - * unbind the previous context. - */ - (void) SendMakeCurrentRequest(oldGC->currentDpy, oldOpcode, None, - oldGC->currentContextTag, None, None, - & dummy_reply); - } -#ifdef GLX_DIRECT_RENDERING - else if (oldGC->isDirect && oldGC->driContext.private) { - (void) UnbindContextWrapper(oldGC); - } -#endif - - - /* Update our notion of what is current */ - __glXLock(); - if (gc == oldGC) { - /* Even though the contexts are the same the drawable might have - * changed. Note that gc cannot be the dummy, and that oldGC - * cannot be NULL, therefore if they are the same, gc is not - * NULL and not the dummy. - */ - gc->currentDrawable = draw; - gc->currentReadable = read; - } else { - if (oldGC != &dummyContext) { - /* Old current context is no longer current to anybody */ - oldGC->currentDpy = 0; - oldGC->currentDrawable = None; - oldGC->currentReadable = None; - oldGC->currentContextTag = 0; - - if (oldGC->xid == None) { - /* We are switching away from a context that was - * previously destroyed, so we need to free the memory - * for the old handle. - */ -#ifdef GLX_DIRECT_RENDERING - /* Destroy the old direct rendering context */ - if (oldGC->isDirect) { - if (oldGC->driContext.private) { - (*oldGC->driContext.destroyContext) - (dpy, oldGC->screen, oldGC->driContext.private); - oldGC->driContext.private = NULL; - } - } -#endif - __glXFreeContext(oldGC); - } - } - if (gc) { - __glXSetCurrentContext(gc); - - gc->currentDpy = dpy; - gc->currentDrawable = draw; - gc->currentReadable = read; - - if (!gc->isDirect) { - if (!IndirectAPI) - IndirectAPI = __glXNewIndirectAPI(); - _glapi_set_dispatch(IndirectAPI); - -#ifdef GLX_USE_APPLEGL - do { - extern void XAppleDRIUseIndirectDispatch(void); - XAppleDRIUseIndirectDispatch(); - } while (0); -#endif - - __GLXattribute *state = - (__GLXattribute *)(gc->client_state_private); - - gc->currentContextTag = reply.contextTag; - if (state->array_state == NULL) { - (void) glGetString(GL_EXTENSIONS); - (void) glGetString(GL_VERSION); - __glXInitVertexArrayState(gc); - } - } - else { - gc->currentContextTag = -1; - } - } else { - __glXSetCurrentContext(&dummyContext); -#ifdef GLX_DIRECT_RENDERING - _glapi_set_dispatch(NULL); /* no-op functions */ -#endif - } - } - __glXUnlock(); - return GL_TRUE; -} - - -PUBLIC Bool glXMakeCurrent(Display *dpy, GLXDrawable draw, GLXContext gc) -{ - return MakeContextCurrent( dpy, draw, draw, gc ); -} - -PUBLIC GLX_ALIAS(Bool, glXMakeCurrentReadSGI, - (Display *dpy, GLXDrawable d, GLXDrawable r, GLXContext ctx), - (dpy, d, r, ctx), MakeContextCurrent) - -PUBLIC GLX_ALIAS(Bool, glXMakeContextCurrent, - (Display *dpy, GLXDrawable d, GLXDrawable r, GLXContext ctx), - (dpy, d, r, ctx), MakeContextCurrent) - - #ifdef DEBUG -void __glXDumpDrawBuffer(__GLXcontext *ctx) +_X_HIDDEN void __glXDumpDrawBuffer(__GLXcontext *ctx) { GLubyte *p = ctx->buf; GLubyte *end = ctx->pc; @@ -1832,9 +955,23 @@ void __glXDumpDrawBuffer(__GLXcontext *ctx) #ifdef USE_SPARC_ASM /* - * Used only when we are sparc, using sparc assembler. + * This is where our dispatch table's bounds are. + * And the static mesa_init is taken directly from + * Mesa's 'sparc.c' initializer. * + * We need something like this here, because this version + * of openGL/glx never initializes a Mesa context, and so + * the address of the dispatch table pointer never gets stuffed + * into the dispatch jump table otherwise. + * + * It matters only on SPARC, and only if you are using assembler + * code instead of C-code indirect dispatch. + * + * -- FEM, 04.xii.03 */ +extern unsigned int _mesa_sparc_glapi_begin; +extern unsigned int _mesa_sparc_glapi_end; +extern void __glapi_sparc_icache_flush(unsigned int *); static void _glx_mesa_init_sparc_glapi_relocs(void) |