+/* -*- mode: c; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 3; coding: utf-8-unix -*- */
/**************************************************************************
Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**************************************************************************/
-/* $XFree86: xc/lib/GL/dri/dri_glx.c,v 1.14 2003/07/16 00:54:00 dawes Exp $ */
/*
* Authors:
#ifdef GLX_DIRECT_RENDERING
-#include <unistd.h>
-#include <X11/Xlibint.h>
-#include <X11/extensions/Xext.h>
-#include <X11/extensions/extutil.h>
+#include <X11/Xlib.h>
+#include <X11/extensions/Xfixes.h>
+#include <X11/extensions/Xdamage.h>
#include "glxclient.h"
+#include "glcontextmodes.h"
#include "xf86dri.h"
#include "sarea.h"
-#include <stdio.h>
#include <dlfcn.h>
-#include "dri_glx.h"
#include <sys/types.h>
-#include <stdarg.h>
+#include <sys/mman.h>
+#include "xf86drm.h"
+#include "dri_common.h"
-#ifndef RTLD_NOW
-#define RTLD_NOW 0
-#endif
-#ifndef RTLD_GLOBAL
-#define RTLD_GLOBAL 0
-#endif
-
-
-#ifndef DEFAULT_DRIVER_DIR
-/* this is normally defined in the Imakefile */
-#define DEFAULT_DRIVER_DIR "/usr/X11R6/lib/modules/dri"
-#endif
-
-static __DRIdriver *Drivers = NULL;
-
-
-/*
- * printf wrappers
- */
-
-static void InfoMessageF(const char *f, ...)
-{
- va_list args;
- const char *env;
-
- if ((env = getenv("LIBGL_DEBUG")) && strstr(env, "verbose")) {
- fprintf(stderr, "libGL: ");
- va_start(args, f);
- vfprintf(stderr, f, args);
- va_end(args);
- }
-}
+typedef struct __GLXDRIdisplayPrivateRec __GLXDRIdisplayPrivate;
+typedef struct __GLXDRIcontextPrivateRec __GLXDRIcontextPrivate;
-static void ErrorMessageF(const char *f, ...)
+struct __GLXDRIdisplayPrivateRec
{
- va_list args;
-
- if (getenv("LIBGL_DEBUG")) {
- fprintf(stderr, "libGL error: ");
- va_start(args, f);
- vfprintf(stderr, f, args);
- va_end(args);
- }
-}
+ __GLXDRIdisplay base;
+ /*
+ ** XFree86-DRI version information
+ */
+ int driMajor;
+ int driMinor;
+ int driPatch;
+};
-/**
- * Extract the ith directory path out of a colon-separated list of paths. No
- * more than \c dirLen characters, including the terminating \c NUL, will be
- * written to \c dir.
- *
- * \param index Index of path to extract (starting at zero)
- * \param paths The colon-separated list of paths
- * \param dirLen Maximum length of result to store in \c dir
- * \param dir Buffer to hold the extracted directory path
- *
- * \returns
- * The number of characters that would have been written to \c dir had there
- * been enough room. This does not include the terminating \c NUL. When
- * extraction fails, zero will be returned.
- *
- * \todo
- * It seems like this function could be rewritten to use \c strchr.
- */
-static size_t
-ExtractDir(int index, const char *paths, int dirLen, char *dir)
+struct __GLXDRIcontextPrivateRec
{
- int i, len;
- const char *start, *end;
-
- /* find ith colon */
- start = paths;
- i = 0;
- while (i < index) {
- if (*start == ':') {
- i++;
- start++;
- }
- else if (*start == 0) {
- /* end of string and couldn't find ith colon */
- dir[0] = 0;
- return 0;
- }
- else {
- start++;
- }
- }
-
- while (*start == ':')
- start++;
-
- /* find next colon, or end of string */
- end = start + 1;
- while (*end != ':' && *end != 0) {
- end++;
- }
-
- /* copy string between <start> and <end> into result string */
- len = end - start;
- if (len > dirLen - 1)
- len = dirLen - 1;
- strncpy(dir, start, len);
- dir[len] = 0;
-
- return( end - start );
-}
-
-
-/**
- * Versioned name of the expected \c __driCreateNewScreen function.
- *
- * The version of the last incompatible loader/driver inteface change is
- * appended to the name of the \c __driCreateNewScreen function. This
- * prevents loaders from trying to load drivers that are too old.
- *
- * \todo
- * Create a macro or something so that this is automatically updated.
- */
-static const char createNewScreenName[] = "__driCreateNewScreen_20050727";
-
-
-/**
- * Try to \c dlopen the named driver.
- *
- * This function adds the "_dri.so" suffix to the driver name and searches the
- * directories specified by the \c LIBGL_DRIVERS_PATH environment variable in
- * order to find the driver.
- *
- * \param driverName - a name like "tdfx", "i810", "mga", etc.
- *
- * \returns
- * A handle from \c dlopen, or \c NULL if driver file not found.
- */
-static __DRIdriver *OpenDriver(const char *driverName)
-{
- char *libPaths = NULL;
- char libDir[1000];
- int i;
- __DRIdriver *driver;
-
- /* First, search Drivers list to see if we've already opened this driver */
- for (driver = Drivers; driver; driver = driver->next) {
- if (strcmp(driver->name, driverName) == 0) {
- /* found it */
- return driver;
- }
- }
-
- if (geteuid() == getuid()) {
- /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
- libPaths = getenv("LIBGL_DRIVERS_PATH");
- if (!libPaths)
- libPaths = getenv("LIBGL_DRIVERS_DIR"); /* deprecated */
- }
- if (!libPaths)
- libPaths = DEFAULT_DRIVER_DIR;
-
- for ( i = 0 ; ExtractDir(i, libPaths, 1000, libDir) != 0 ; i++ ) {
- char realDriverName[200];
- void *handle = NULL;
-
-
- /* If TLS support is enabled, try to open the TLS version of the driver
- * binary first. If that fails, try the non-TLS version.
- */
-#ifdef GLX_USE_TLS
- snprintf(realDriverName, 200, "%s/tls/%s_dri.so", libDir, driverName);
- InfoMessageF("OpenDriver: trying %s\n", realDriverName);
- handle = dlopen(realDriverName, RTLD_NOW | RTLD_GLOBAL);
-#endif
-
- if ( handle == NULL ) {
- snprintf(realDriverName, 200, "%s/%s_dri.so", libDir, driverName);
- InfoMessageF("OpenDriver: trying %s\n", realDriverName);
- handle = dlopen(realDriverName, RTLD_NOW | RTLD_GLOBAL);
- }
-
- if ( handle != NULL ) {
- /* allocate __DRIdriver struct */
- driver = (__DRIdriver *) Xmalloc(sizeof(__DRIdriver));
- if (!driver)
- return NULL; /* out of memory! */
- /* init the struct */
- driver->name = __glXstrdup(driverName);
- if (!driver->name) {
- Xfree(driver);
- return NULL; /* out of memory! */
- }
-
- driver->createNewScreenFunc = (PFNCREATENEWSCREENFUNC)
- dlsym(handle, createNewScreenName);
-
- if ( driver->createNewScreenFunc == NULL ) {
- /* If the driver doesn't have this symbol then something's
- * really, really wrong.
- */
- ErrorMessageF("%s not defined in %s_dri.so!\n"
- "Your driver may be too old for this libGL.\n",
- createNewScreenName, driverName);
- Xfree(driver);
- dlclose(handle);
- continue;
- }
- driver->handle = handle;
- /* put at head of linked list */
- driver->next = Drivers;
- Drivers = driver;
- return driver;
- }
- else {
- ErrorMessageF("dlopen %s failed (%s)\n", realDriverName, dlerror());
- }
- }
-
- ErrorMessageF("unable to find driver: %s_dri.so\n", driverName);
- return NULL;
-}
-
+ __GLXDRIcontext base;
+ __DRIcontext *driContext;
+ XID hwContextID;
+ __GLXscreenConfigs *psc;
+};
/*
* Given a display pointer and screen number, determine the name of
* the DRI driver for the screen. (I.e. "r128", "tdfx", etc).
* Return True for success, False for failure.
*/
-static Bool GetDriverName(Display *dpy, int scrNum, char **driverName)
+static Bool
+driGetDriverName(Display * dpy, int scrNum, char **driverName)
{
int directCapable;
Bool b;
}
InfoMessageF("XF86DRIGetClientDriverName: %d.%d.%d %s (screen %d)\n",
- driverMajor, driverMinor, driverPatch, *driverName, scrNum);
+ driverMajor, driverMinor, driverPatch, *driverName, scrNum);
return True;
}
-
-/*
- * Given a display pointer and screen number, return a __DRIdriver handle.
- * Return NULL if anything goes wrong.
- */
-__DRIdriver *driGetDriver(Display *dpy, int scrNum)
-{
- char *driverName;
- if (GetDriverName(dpy, scrNum, &driverName)) {
- __DRIdriver *ret;
- ret = OpenDriver(driverName);
- if (driverName)
- Xfree(driverName);
- return ret;
- }
- return NULL;
-}
-
-
/*
* Exported function for querying the DRI driver for a given screen.
*
* The returned char pointer points to a static array that will be
* overwritten by subsequent calls.
*/
-const char *glXGetScreenDriver (Display *dpy, int scrNum) {
+PUBLIC const char *
+glXGetScreenDriver(Display * dpy, int scrNum)
+{
static char ret[32];
char *driverName;
- if (GetDriverName(dpy, scrNum, &driverName)) {
+ if (driGetDriverName(dpy, scrNum, &driverName)) {
int len;
if (!driverName)
- return NULL;
- len = strlen (driverName);
+ return NULL;
+ len = strlen(driverName);
if (len >= 31)
- return NULL;
- memcpy (ret, driverName, len+1);
+ return NULL;
+ memcpy(ret, driverName, len + 1);
Xfree(driverName);
return ret;
}
return NULL;
}
-
/*
* Exported function for obtaining a driver's option list (UTF-8 encoded XML).
*
*
* Note: The driver remains opened after this function returns.
*/
-const char *glXGetDriverConfig (const char *driverName) {
- __DRIdriver *driver = OpenDriver (driverName);
- if (driver)
- return dlsym (driver->handle, "__driConfigOptions");
+PUBLIC const char *
+glXGetDriverConfig(const char *driverName)
+{
+ void *handle = driOpenDriver(driverName);
+ if (handle)
+ return dlsym(handle, "__driConfigOptions");
else
return NULL;
}
+#ifdef XDAMAGE_1_1_INTERFACE
+
+static GLboolean
+has_damage_post(Display * dpy)
+{
+ 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;
+ }
+
+ return has_damage;
+}
+
+static void
+__glXReportDamage(__DRIdrawable * driDraw,
+ int x, int y,
+ drm_clip_rect_t * rects, int num_rects,
+ GLboolean front_buffer, void *loaderPrivate)
+{
+ XRectangle *xrects;
+ XserverRegion region;
+ int i;
+ int x_off, y_off;
+ __GLXDRIdrawable *glxDraw = loaderPrivate;
+ __GLXscreenConfigs *psc = glxDraw->psc;
+ Display *dpy = psc->dpy;
+ Drawable drawable;
+
+ if (!has_damage_post(dpy))
+ return;
+
+ if (front_buffer) {
+ x_off = x;
+ y_off = y;
+ drawable = RootWindow(dpy, psc->scr);
+ }
+ else {
+ x_off = 0;
+ y_off = 0;
+ drawable = glxDraw->xDrawable;
+ }
+
+ 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);
+}
+
+static const __DRIdamageExtension damageExtension = {
+ {__DRI_DAMAGE, __DRI_DAMAGE_VERSION},
+ __glXReportDamage,
+};
+
+#endif
+
+static GLboolean
+__glXDRIGetDrawableInfo(__DRIdrawable * drawable,
+ unsigned int *index, unsigned int *stamp,
+ int *X, int *Y, int *W, int *H,
+ int *numClipRects, drm_clip_rect_t ** pClipRects,
+ int *backX, int *backY,
+ int *numBackClipRects,
+ drm_clip_rect_t ** pBackClipRects,
+ void *loaderPrivate)
+{
+ __GLXDRIdrawable *glxDraw = loaderPrivate;
+ __GLXscreenConfigs *psc = glxDraw->psc;
+ Display *dpy = psc->dpy;
+
+ return XF86DRIGetDrawableInfo(dpy, psc->scr, glxDraw->drawable,
+ index, stamp, X, Y, W, H,
+ numClipRects, pClipRects,
+ backX, backY,
+ numBackClipRects, pBackClipRects);
+}
+
+static const __DRIgetDrawableInfoExtension getDrawableInfoExtension = {
+ {__DRI_GET_DRAWABLE_INFO, __DRI_GET_DRAWABLE_INFO_VERSION},
+ __glXDRIGetDrawableInfo
+};
+
+static const __DRIextension *loader_extensions[] = {
+ &systemTimeExtension.base,
+ &getDrawableInfoExtension.base,
+#ifdef XDAMAGE_1_1_INTERFACE
+ &damageExtension.base,
+#endif
+ NULL
+};
+
+#ifndef GLX_USE_APPLEGL
-/* This function isn't currently used.
+/**
+ * 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.
*/
-static void driDestroyDisplay(Display *dpy, void *private)
+static void *
+CallCreateNewScreen(Display * dpy, int scrn, __GLXscreenConfigs * psc,
+ __GLXDRIdisplayPrivate * driDpy)
+{
+ void *psp = NULL;
+ 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;
+
+ drm_magic_t magic;
+ drmVersionPtr version;
+ int newlyopened;
+ char *driverName;
+ drm_handle_t hFB;
+ int junk;
+ const __DRIconfig **driver_configs;
+
+ /* DRI protocol version. */
+ dri_version.major = driDpy->driMajor;
+ dri_version.minor = driDpy->driMinor;
+ dri_version.patch = driDpy->driPatch;
+
+ framebuffer.base = MAP_FAILED;
+ framebuffer.dev_priv = NULL;
+
+ if (!XF86DRIOpenConnection(dpy, scrn, &hSAREA, &BusID)) {
+ ErrorMessageF("XF86DRIOpenConnection failed\n");
+ goto handle_error;
+ }
+
+ fd = drmOpenOnce(NULL, BusID, &newlyopened);
+
+ Xfree(BusID); /* No longer needed */
+
+ if (fd < 0) {
+ ErrorMessageF("drmOpenOnce failed (%s)\n", strerror(-fd));
+ goto handle_error;
+ }
+
+ if (drmGetMagic(fd, &magic)) {
+ ErrorMessageF("drmGetMagic failed\n");
+ goto handle_error;
+ }
+
+ 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;
+ }
+
+ if (newlyopened && !XF86DRIAuthConnection(dpy, scrn, magic)) {
+ ErrorMessageF("XF86DRIAuthConnection failed\n");
+ goto handle_error;
+ }
+
+ /* Get device name (like "tdfx") and the ddx version numbers.
+ * We'll check the version in each DRI driver's "createNewScreen"
+ * function. */
+ if (!XF86DRIGetClientDriverName(dpy, scrn,
+ &ddx_version.major,
+ &ddx_version.minor,
+ &ddx_version.patch, &driverName)) {
+ ErrorMessageF("XF86DRIGetClientDriverName failed\n");
+ goto handle_error;
+ }
+
+ Xfree(driverName); /* No longer needed. */
+
+ /*
+ * 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.
+ */
+ if (!XF86DRIGetDeviceInfo(dpy, scrn, &hFB, &junk,
+ &framebuffer.size, &framebuffer.stride,
+ &framebuffer.dev_priv_size,
+ &framebuffer.dev_priv)) {
+ ErrorMessageF("XF86DRIGetDeviceInfo failed");
+ goto handle_error;
+ }
+
+ framebuffer.width = DisplayWidth(dpy, scrn);
+ framebuffer.height = DisplayHeight(dpy, scrn);
+
+ /* Map the framebuffer region. */
+ status = drmMap(fd, hFB, framebuffer.size,
+ (drmAddressPtr) & framebuffer.base);
+ if (status != 0) {
+ ErrorMessageF("drmMap of framebuffer failed (%s)", strerror(-status));
+ goto handle_error;
+ }
+
+ /* Map the SAREA region. Further mmap regions may be setup in
+ * each DRI driver's "createNewScreen" function.
+ */
+ status = drmMap(fd, hSAREA, SAREA_MAX, &pSAREA);
+ if (status != 0) {
+ ErrorMessageF("drmMap of SAREA failed (%s)", strerror(-status));
+ goto handle_error;
+ }
+
+ psp = (*psc->legacy->createNewScreen) (scrn,
+ &ddx_version,
+ &dri_version,
+ &drm_version,
+ &framebuffer,
+ pSAREA,
+ fd,
+ loader_extensions,
+ &driver_configs, psc);
+
+ if (psp == NULL) {
+ ErrorMessageF("Calling driver entry point failed");
+ goto handle_error;
+ }
+
+ psc->configs = driConvertConfigs(psc->core, psc->configs, driver_configs);
+ psc->visuals = driConvertConfigs(psc->core, psc->visuals, driver_configs);
+
+ return psp;
+
+ handle_error:
+ if (pSAREA != MAP_FAILED)
+ drmUnmap(pSAREA, SAREA_MAX);
+
+ if (framebuffer.base != MAP_FAILED)
+ drmUnmap((drmAddress) framebuffer.base, framebuffer.size);
+
+ if (framebuffer.dev_priv != NULL)
+ Xfree(framebuffer.dev_priv);
+
+ if (fd >= 0)
+ drmCloseOnce(fd);
+
+ XF86DRICloseConnection(dpy, scrn);
+
+ ErrorMessageF("reverting to software direct rendering\n");
+
+ return NULL;
+}
+
+#else /* !GLX_USE_APPLEGL */
+
+static void *
+CallCreateNewScreen(Display * dpy, int scrn, __GLXscreenConfigs * psc,
+ __GLXDRIdisplayPrivate * driDpy)
{
- __DRIdisplayPrivate *pdpyp = (__DRIdisplayPrivate *)private;
-
- if (pdpyp) {
- const int numScreens = ScreenCount(dpy);
- int i;
- for (i = 0; i < numScreens; i++) {
- if (pdpyp->libraryHandles[i])
- dlclose(pdpyp->libraryHandles[i]);
- }
- Xfree(pdpyp->libraryHandles);
- Xfree(pdpyp);
- }
+ return NULL;
}
+#endif /* !GLX_USE_APPLEGL */
+
+static void
+driDestroyContext(__GLXDRIcontext * context,
+ __GLXscreenConfigs * psc, Display * dpy)
+{
+ __GLXDRIcontextPrivate *pcp = (__GLXDRIcontextPrivate *) context;
+
+ (*psc->core->destroyContext) (pcp->driContext);
+
+ XF86DRIDestroyContext(psc->dpy, psc->scr, pcp->hwContextID);
+ Xfree(pcp);
+}
+
+static Bool
+driBindContext(__GLXDRIcontext * context,
+ __GLXDRIdrawable * draw, __GLXDRIdrawable * read)
+{
+ __GLXDRIcontextPrivate *pcp = (__GLXDRIcontextPrivate *) context;
+ const __DRIcoreExtension *core = pcp->psc->core;
+
+ return (*core->bindContext) (pcp->driContext,
+ draw->driDrawable, read->driDrawable);
+}
+
+static void
+driUnbindContext(__GLXDRIcontext * context)
+{
+ __GLXDRIcontextPrivate *pcp = (__GLXDRIcontextPrivate *) context;
+ const __DRIcoreExtension *core = pcp->psc->core;
+
+ (*core->unbindContext) (pcp->driContext);
+}
+
+static __GLXDRIcontext *
+driCreateContext(__GLXscreenConfigs * psc,
+ const __GLcontextModes * mode,
+ GLXContext gc, GLXContext shareList, int renderType)
+{
+ __GLXDRIcontextPrivate *pcp, *pcp_shared;
+ drm_context_t hwContext;
+ __DRIcontext *shared = NULL;
+ __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) mode;
+
+ if (!psc || !psc->driScreen)
+ return NULL;
+
+ if (shareList) {
+ pcp_shared = (__GLXDRIcontextPrivate *) shareList->driContext;
+ shared = pcp_shared->driContext;
+ }
+
+ pcp = Xmalloc(sizeof *pcp);
+ if (pcp == NULL)
+ return NULL;
+
+ pcp->psc = psc;
+ if (!XF86DRICreateContextWithConfig(psc->dpy, psc->scr,
+ mode->visualID,
+ &pcp->hwContextID, &hwContext)) {
+ Xfree(pcp);
+ return NULL;
+ }
+
+ pcp->driContext =
+ (*psc->legacy->createNewContext) (psc->__driScreen,
+ config->driConfig,
+ renderType, shared, hwContext, pcp);
+ if (pcp->driContext == NULL) {
+ XF86DRIDestroyContext(psc->dpy, psc->scr, pcp->hwContextID);
+ Xfree(pcp);
+ return NULL;
+ }
+
+ pcp->base.destroyContext = driDestroyContext;
+ pcp->base.bindContext = driBindContext;
+ pcp->base.unbindContext = driUnbindContext;
+
+ return &pcp->base;
+}
+
+static void
+driDestroyDrawable(__GLXDRIdrawable * pdraw)
+{
+ __GLXscreenConfigs *psc = pdraw->psc;
+
+ (*psc->core->destroyDrawable) (pdraw->driDrawable);
+ XF86DRIDestroyDrawable(psc->dpy, psc->scr, pdraw->drawable);
+ Xfree(pdraw);
+}
+
+static __GLXDRIdrawable *
+driCreateDrawable(__GLXscreenConfigs * psc,
+ XID xDrawable,
+ GLXDrawable drawable, const __GLcontextModes * modes)
+{
+ __GLXDRIdrawable *pdraw;
+ drm_drawable_t hwDrawable;
+ void *empty_attribute_list = NULL;
+ __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) modes;
+
+ /* Old dri can't handle GLX 1.3+ drawable constructors. */
+ if (xDrawable != drawable)
+ return NULL;
+
+ pdraw = Xmalloc(sizeof(*pdraw));
+ if (!pdraw)
+ return NULL;
+
+ pdraw->drawable = drawable;
+ pdraw->psc = psc;
+
+ if (!XF86DRICreateDrawable(psc->dpy, psc->scr, drawable, &hwDrawable))
+ return NULL;
+
+ /* Create a new drawable */
+ pdraw->driDrawable =
+ (*psc->legacy->createNewDrawable) (psc->__driScreen,
+ config->driConfig,
+ hwDrawable,
+ GLX_WINDOW_BIT,
+ empty_attribute_list, pdraw);
+
+ if (!pdraw->driDrawable) {
+ XF86DRIDestroyDrawable(psc->dpy, psc->scr, drawable);
+ Xfree(pdraw);
+ return NULL;
+ }
+
+ pdraw->destroyDrawable = driDestroyDrawable;
+
+ return pdraw;
+}
+
+static void
+driSwapBuffers(__GLXDRIdrawable * pdraw)
+{
+ (*pdraw->psc->core->swapBuffers) (pdraw->driDrawable);
+}
+
+static void
+driDestroyScreen(__GLXscreenConfigs * psc)
+{
+ /* Free the direct rendering per screen data */
+ if (psc->__driScreen)
+ (*psc->core->destroyScreen) (psc->__driScreen);
+ psc->__driScreen = NULL;
+ if (psc->driver)
+ dlclose(psc->driver);
+}
+
+static __GLXDRIscreen *
+driCreateScreen(__GLXscreenConfigs * psc, int screen,
+ __GLXdisplayPrivate * priv)
+{
+ __GLXDRIdisplayPrivate *pdp;
+ __GLXDRIscreen *psp;
+ const __DRIextension **extensions;
+ char *driverName;
+ int i;
+
+ psp = Xmalloc(sizeof *psp);
+ if (psp == NULL)
+ return NULL;
+
+ /* Initialize per screen dynamic client GLX extensions */
+ psc->ext_list_first_time = GL_TRUE;
+
+ if (!driGetDriverName(priv->dpy, screen, &driverName)) {
+ Xfree(psp);
+ return NULL;
+ }
+
+ psc->driver = driOpenDriver(driverName);
+ Xfree(driverName);
+ if (psc->driver == NULL) {
+ Xfree(psp);
+ return NULL;
+ }
+
+ extensions = dlsym(psc->driver, __DRI_DRIVER_EXTENSIONS);
+ if (extensions == NULL) {
+ ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
+ Xfree(psp);
+ return NULL;
+ }
+
+ for (i = 0; extensions[i]; i++) {
+ if (strcmp(extensions[i]->name, __DRI_CORE) == 0)
+ psc->core = (__DRIcoreExtension *) extensions[i];
+ if (strcmp(extensions[i]->name, __DRI_LEGACY) == 0)
+ psc->legacy = (__DRIlegacyExtension *) extensions[i];
+ }
+
+ if (psc->core == NULL || psc->legacy == NULL) {
+ Xfree(psp);
+ return NULL;
+ }
+
+ pdp = (__GLXDRIdisplayPrivate *) priv->driDisplay;
+ psc->__driScreen = CallCreateNewScreen(psc->dpy, screen, psc, pdp);
+ if (psc->__driScreen == NULL) {
+ dlclose(psc->driver);
+ Xfree(psp);
+ return NULL;
+ }
+
+ driBindExtensions(psc, 0);
+
+ psp->destroyScreen = driDestroyScreen;
+ psp->createContext = driCreateContext;
+ psp->createDrawable = driCreateDrawable;
+ psp->swapBuffers = driSwapBuffers;
+
+ return psp;
+}
+
+/* Called from __glXFreeDisplayPrivate.
+ */
+static void
+driDestroyDisplay(__GLXDRIdisplay * dpy)
+{
+ Xfree(dpy);
+}
/*
* Allocate, initialize and return a __DRIdisplayPrivate object.
* This is called from __glXInitialize() when we are given a new
* display pointer.
*/
-void *driCreateDisplay(Display *dpy, __DRIdisplay *pdisp)
+_X_HIDDEN __GLXDRIdisplay *
+driCreateDisplay(Display * dpy)
{
- const int numScreens = ScreenCount(dpy);
- __DRIdisplayPrivate *pdpyp;
- int eventBase, errorBase;
- int major, minor, patch;
- int scrn;
-
- /* Initialize these fields to NULL in case we fail.
- * If we don't do this we may later get segfaults trying to free random
- * addresses when the display is closed.
- */
- pdisp->private = NULL;
- pdisp->destroyDisplay = NULL;
-
- if (!XF86DRIQueryExtension(dpy, &eventBase, &errorBase)) {
- return NULL;
- }
-
- if (!XF86DRIQueryVersion(dpy, &major, &minor, &patch)) {
- return NULL;
- }
-
- pdpyp = (__DRIdisplayPrivate *)Xmalloc(sizeof(__DRIdisplayPrivate));
- if (!pdpyp) {
- return NULL;
- }
-
- pdpyp->driMajor = major;
- pdpyp->driMinor = minor;
- pdpyp->driPatch = patch;
-
- pdisp->destroyDisplay = driDestroyDisplay;
-
- /* allocate array of pointers to createNewScreen funcs */
- pdisp->createNewScreen = (PFNCREATENEWSCREENFUNC *)
- Xmalloc(numScreens * sizeof(void *));
- if (!pdisp->createNewScreen) {
- Xfree(pdpyp);
- return NULL;
- }
-
- /* allocate array of library handles */
- pdpyp->libraryHandles = (void **) Xmalloc(numScreens * sizeof(void*));
- if (!pdpyp->libraryHandles) {
- Xfree(pdisp->createNewScreen);
- Xfree(pdpyp);
- return NULL;
- }
-
- /* dynamically discover DRI drivers for all screens, saving each
- * driver's "__driCreateScreen" function pointer. That's the bootstrap
- * entrypoint for all DRI drivers.
- */
- for (scrn = 0; scrn < numScreens; scrn++) {
- __DRIdriver *driver = driGetDriver(dpy, scrn);
- if (driver) {
- pdisp->createNewScreen[scrn] = driver->createNewScreenFunc;
- pdpyp->libraryHandles[scrn] = driver->handle;
- }
- else {
- pdisp->createNewScreen[scrn] = NULL;
- pdpyp->libraryHandles[scrn] = NULL;
- }
- }
-
- return (void *)pdpyp;
+ __GLXDRIdisplayPrivate *pdpyp;
+ int eventBase, errorBase;
+ int major, minor, patch;
+
+ if (!XF86DRIQueryExtension(dpy, &eventBase, &errorBase)) {
+ return NULL;
+ }
+
+ if (!XF86DRIQueryVersion(dpy, &major, &minor, &patch)) {
+ return NULL;
+ }
+
+ pdpyp = Xmalloc(sizeof *pdpyp);
+ if (!pdpyp) {
+ return NULL;
+ }
+
+ pdpyp->driMajor = major;
+ pdpyp->driMinor = minor;
+ pdpyp->driPatch = patch;
+
+ pdpyp->base.destroyDisplay = driDestroyDisplay;
+ pdpyp->base.createScreen = driCreateScreen;
+
+ return &pdpyp->base;
}
#endif /* GLX_DIRECT_RENDERING */
projects / mesa.git / blobdiff