*/
#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 { \
#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
*/
-_X_HIDDEN int __glXDebug = 0;
+int __glXDebug = 0;
+
+/*
+** forward prototype declarations
+*/
+int __glXCloseDisplay(Display *dpy, XExtCodes *codes);
+
+
+/************************************************************************/
/* Extension required boiler plate */
"GLXBadWindow",
};
-static int __glXCloseDisplay(Display *dpy, XExtCodes *codes)
+int __glXCloseDisplay(Display *dpy, XExtCodes *codes)
{
GLXContext gc;
gc = __glXGetCurrentContext();
if (dpy == gc->currentDpy) {
- __glXSetCurrentContextNull();
+ __glXSetCurrentContext(&dummyContext);
+#ifdef GLX_DIRECT_RENDERING
+ _glapi_set_dispatch(NULL); /* no-op functions */
+#endif
__glXFreeContext(gc);
}
Xfree((char*) psc->serverGLXexts);
#ifdef GLX_DIRECT_RENDERING
- if (psc->driScreen) {
- psc->driScreen->destroyScreen(psc);
- __glxHashDestroy(psc->drawHash);
- }
+ /* Free the direct rendering per screen data */
+ if (psc->driScreen.private)
+ (*psc->driScreen.destroyScreen)(priv->dpy, i,
+ psc->driScreen.private);
+ psc->driScreen.private = NULL;
#endif
}
XFree((char*) priv->screenConfigs);
#ifdef GLX_DIRECT_RENDERING
/* Free the direct rendering per display data */
- if (priv->driDisplay)
- (*priv->driDisplay->destroyDisplay)(priv->driDisplay);
- priv->driDisplay = NULL;
- if (priv->dri2Display)
- (*priv->dri2Display->destroyDisplay)(priv->dri2Display);
- priv->dri2Display = NULL;
+ 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;
+ }
#endif
Xfree((char*) priv);
}
-_X_HIDDEN void
+void
__glXInitializeVisualConfigFromTags( __GLcontextModes *config, int count,
const INT32 *bp, Bool tagged_only,
Bool fbconfig_style_tags )
config->haveStencilBuffer = (config->stencilBits > 0);
}
-static __GLcontextModes *
-createConfigsFromProperties(Display *dpy, int nvisuals, int nprops,
- int screen, GLboolean tagged_only)
+
+#ifdef GLX_DIRECT_RENDERING
+static unsigned
+filter_modes( __GLcontextModes ** server_modes,
+ const __GLcontextModes * driver_modes )
{
- INT32 buf[__GLX_TOTAL_CONFIG], *props;
- unsigned prop_size;
- __GLcontextModes *modes, *m;
- int i;
+ __GLcontextModes * m;
+ __GLcontextModes ** prev_next;
+ const __GLcontextModes * check;
+ unsigned modes_count = 0;
- if (nprops == 0)
- return NULL;
+ if ( driver_modes == NULL ) {
+ fprintf(stderr, "libGL warning: 3D driver returned no fbconfigs.\n");
+ return 0;
+ }
- /* FIXME: Is the __GLX_MIN_CONFIG_PROPS test correct for FBconfigs? */
+ /* 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.
+ */
- /* Check number of properties */
- if (nprops < __GLX_MIN_CONFIG_PROPS || nprops > __GLX_MAX_CONFIG_PROPS)
- return NULL;
+ prev_next = server_modes;
+ for ( m = *prev_next ; m != NULL ; m = *prev_next ) {
+ GLboolean do_delete = GL_TRUE;
- /* Allocate memory for our config structure */
- modes = _gl_context_modes_create(nvisuals, sizeof(__GLcontextModes));
- if (!modes)
- return NULL;
+ for ( check = driver_modes ; check != NULL ; check = check->next ) {
+ if ( _gl_context_modes_are_same( m, check ) ) {
+ do_delete = GL_FALSE;
+ break;
+ }
+ }
- prop_size = nprops * __GLX_SIZE_INT32;
- if (prop_size <= sizeof(buf))
- props = buf;
- else
- props = Xmalloc(prop_size);
+ /* 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;
- /* 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;
- }
+ if (getenv("LIBGL_DEBUG")) {
+ fprintf(stderr, "libGL warning: 3D driver claims to not support "
+ "visual 0x%02x\n", m->visualID);
+ }
+ }
- if (props != buf)
- Xfree(props);
+ if ( do_delete ) {
+ *prev_next = m->next;
- return modes;
+ m->next = NULL;
+ _gl_context_modes_destroy( m );
+ }
+ else {
+ modes_count++;
+ prev_next = & m->next;
+ }
+ }
+
+ return modes_count;
}
-static GLboolean
-getVisualConfigs(Display *dpy, __GLXdisplayPrivate *priv, int screen)
+
+/**
+ * Implement \c __DRIinterfaceMethods::getProcAddress.
+ */
+static __DRIfuncPtr get_proc_address( const char * proc_name )
{
- xGLXGetVisualConfigsReq *req;
- __GLXscreenConfigs *psc;
- xGLXGetVisualConfigsReply reply;
+ if (strcmp( proc_name, "glxEnableExtension" ) == 0) {
+ return (__DRIfuncPtr) __glXScrEnableExtension;
+ }
- LockDisplay(dpy);
+ return NULL;
+}
+
+#ifdef XDAMAGE_1_1_INTERFACE
+static GLboolean has_damage_post(__DRInativeDisplay *dpy)
+{
+ static GLboolean inited = GL_FALSE;
+ static GLboolean has_damage;
+
+ if (!inited) {
+ int major, minor;
- psc = priv->screenConfigs + screen;
- psc->visuals = NULL;
- GetReq(GLXGetVisualConfigs, req);
- req->reqType = priv->majorOpcode;
- req->glxCode = X_GLXGetVisualConfigs;
- req->screen = screen;
+ if (XDamageQueryVersion(dpy, &major, &minor) &&
+ major == 1 && minor >= 1)
+ {
+ has_damage = GL_TRUE;
+ } else {
+ has_damage = GL_FALSE;
+ }
+ inited = GL_TRUE;
+ }
- if (!_XReply(dpy, (xReply*) &reply, 0, False))
- goto out;
+ return has_damage;
+}
+#endif /* XDAMAGE_1_1_INTERFACE */
- psc->visuals = createConfigsFromProperties(dpy,
- reply.numVisuals,
- reply.numProps,
- screen, GL_FALSE);
+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;
+ }
- out:
- UnlockDisplay(dpy);
- return psc->visuals != NULL;
+ xrects = malloc(sizeof(XRectangle) * num_rects);
+ if (xrects == NULL)
+ return;
+
+ 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
}
-static GLboolean
-getFBConfigs(Display *dpy, __GLXdisplayPrivate *priv, int screen)
+/**
+ * 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)
{
- xGLXGetFBConfigsReq *fb_req;
- xGLXGetFBConfigsSGIXReq *sgi_req;
- xGLXVendorPrivateWithReplyReq *vpreq;
- xGLXGetFBConfigsReply reply;
- __GLXscreenConfigs *psc;
+ __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 );
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
- psc = priv->screenConfigs + screen;
- psc->serverGLXexts = __glXGetStringFromServer(dpy, priv->majorOpcode,
- X_GLXQueryServerString,
- screen, GLX_EXTENSIONS);
+ if ( psp == NULL ) {
+ if ( pSAREA != MAP_FAILED ) {
+ (void)drmUnmap(pSAREA, SAREA_MAX);
+ }
- LockDisplay(dpy);
+ if ( framebuffer.base != MAP_FAILED ) {
+ (void)drmUnmap((drmAddress)framebuffer.base, framebuffer.size);
+ }
- 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 ( framebuffer.dev_priv != NULL ) {
+ Xfree(framebuffer.dev_priv);
+ }
- if (!_XReply(dpy, (xReply*) &reply, 0, False))
- goto out;
+ if ( fd >= 0 ) {
+ (void)drmCloseOnce(fd);
+ }
- psc->configs = createConfigsFromProperties(dpy,
- reply.numFBConfigs,
- reply.numAttribs * 2,
- screen, GL_TRUE);
+ (void)XF86DRICloseConnection(dpy, scrn);
- out:
- UnlockDisplay(dpy);
- return psc->configs != NULL;
+ 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 );
+ }
+
+ fprintf(stderr, "libGL error: reverting to (slow) indirect rendering\n");
+ }
+#endif /* !GLX_USE_APPLEGL */
+
+ return psp;
}
+#endif /* GLX_DIRECT_RENDERING */
+
/*
** Allocate the memory for the per screen configs for each screen.
*/
static Bool AllocAndFetchScreenConfigs(Display *dpy, __GLXdisplayPrivate *priv)
{
+ xGLXGetVisualConfigsReq *req;
+ xGLXGetFBConfigsReq *fb_req;
+ xGLXVendorPrivateWithReplyReq *vpreq;
+ xGLXGetFBConfigsSGIXReq *sgi_req;
+ xGLXGetVisualConfigsReply reply;
__GLXscreenConfigs *psc;
- GLint i, screens;
+ __GLcontextModes *config;
+ GLint i, j, nprops, screens;
+ INT32 buf[__GLX_TOTAL_CONFIG], *props;
+ unsigned supported_request = 0;
+ unsigned prop_size;
/*
** First allocate memory for the array of per screen configs.
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++) {
- getVisualConfigs(dpy, priv, i);
- getFBConfigs(dpy, priv, i);
+ 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;
+ }
+ }
- psc->scr = i;
- psc->dpy = dpy;
-#ifdef GLX_DIRECT_RENDERING
- psc->drawHash = __glxHashCreate();
- if (psc->drawHash == NULL)
+
+ 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);
continue;
- if (priv->dri2Display)
- psc->driScreen = (*priv->dri2Display->createScreen)(psc, i, priv);
- if (psc->driScreen == NULL && priv->driDisplay)
- psc->driScreen = (*priv->driDisplay->createScreen)(psc, i, priv);
- if (psc->driScreen == NULL) {
- __glxHashDestroy(psc->drawHash);
- psc->drawHash = NULL;
+ }
+
+ /* 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;
+ }
+
+ /* 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;
+ }
+
+ /* Allocate memory for the properties, if needed */
+ if ( supported_request != 3 ) {
+ nprops *= 2;
+ }
+
+ 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] );
+ }
}
#endif
}
/*
** Initialize the client side extension code.
*/
-_X_HIDDEN __GLXdisplayPrivate *__glXInitialize(Display* dpy)
+__GLXdisplayPrivate *__glXInitialize(Display* dpy)
{
XExtDisplayInfo *info = __glXFindDisplay(dpy);
XExtData **privList, *private, *found;
** (e.g., those called in AllocAndFetchScreenConfigs).
*/
if (getenv("LIBGL_ALWAYS_INDIRECT") == NULL) {
- dpyPriv->dri2Display = dri2CreateDisplay(dpy);
- dpyPriv->driDisplay = driCreateDisplay(dpy);
+ dpyPriv->driDisplay.private =
+ driCreateDisplay(dpy, &dpyPriv->driDisplay);
}
#endif
** Setup for sending a GLX command on dpy. Make sure the extension is
** initialized. Try to avoid calling __glXInitialize as its kinda slow.
*/
-_X_HIDDEN CARD8 __glXSetupForCommand(Display *dpy)
+CARD8 __glXSetupForCommand(Display *dpy)
{
GLXContext gc;
__GLXdisplayPrivate *priv;
* Modify this function to use \c ctx->pc instead of the explicit
* \c pc parameter.
*/
-_X_HIDDEN GLubyte *__glXFlushRenderBuffer(__GLXcontext *ctx, GLubyte *pc)
+GLubyte *__glXFlushRenderBuffer(__GLXcontext *ctx, GLubyte *pc)
{
Display * const dpy = ctx->currentDpy;
#ifdef USE_XCB
if ( (dpy != NULL) && (size > 0) ) {
#ifdef USE_XCB
- xcb_glx_render(c, ctx->currentContextTag, size,
- (const uint8_t *)ctx->buf);
+ xcb_glx_render(c, ctx->currentContextTag, size, (char *)ctx->buf);
#else
/* Send the entire buffer as an X request */
LockDisplay(dpy);
* \param data Command data.
* \param dataLen Size, in bytes, of the command data.
*/
-_X_HIDDEN void __glXSendLargeChunk(__GLXcontext *gc, GLint requestNumber,
- GLint totalRequests,
- const GLvoid * data, GLint dataLen)
+void __glXSendLargeChunk(__GLXcontext *gc, GLint requestNumber,
+ GLint totalRequests,
+ const GLvoid * data, GLint dataLen)
{
Display *dpy = gc->currentDpy;
#ifdef USE_XCB
* \param data Command data.
* \param dataLen Size, in bytes, of the command data.
*/
-_X_HIDDEN void __glXSendLargeCommand(__GLXcontext *ctx,
- const GLvoid *header, GLint headerLen,
- const GLvoid *data, GLint dataLen)
+void __glXSendLargeCommand(__GLXcontext *ctx,
+ const GLvoid *header, GLint headerLen,
+ const GLvoid *data, GLint dataLen)
{
GLint maxSize;
GLint totalRequests, requestNumber;
/************************************************************************/
+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
-_X_HIDDEN void __glXDumpDrawBuffer(__GLXcontext *ctx)
+void __glXDumpDrawBuffer(__GLXcontext *ctx)
{
GLubyte *p = ctx->buf;
GLubyte *end = ctx->pc;
#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.
+ * Used only when we are sparc, using sparc assembler.
*
- * 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)
projects / mesa.git / blobdiff