#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 <inttypes.h>
#include <sys/mman.h>
#include "xf86dri.h"
+#include "xf86drm.h"
#include "sarea.h"
#include "dri_glx.h"
#endif
#ifdef USE_XCB
-#include <X11/xcl.h>
-#include <X11/XCB/xcb.h>
-#include <X11/XCB/glx.h>
+#include <X11/Xlib-xcb.h>
+#include <xcb/xcb.h>
+#include <xcb/glx.h>
#endif
#include <assert.h>
#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);
#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.destroyScreen)(&psc->driScreen);
psc->driScreen.private = NULL;
+ if (psc->drawHash)
+ __glxHashDestroy(psc->drawHash);
#endif
}
XFree((char*) priv->screenConfigs);
(*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);
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.
- */
-
- prev_next = server_modes;
- for ( m = *prev_next ; m != NULL ; m = *prev_next ) {
- GLboolean do_delete = GL_TRUE;
+ INT32 buf[__GLX_TOTAL_CONFIG], *props;
+ unsigned prop_size;
+ __GLcontextModes *modes, *m;
+ int i;
- for ( check = driver_modes ; check != NULL ; check = check->next ) {
- if ( _gl_context_modes_are_same( m, check ) ) {
- do_delete = GL_FALSE;
- break;
- }
- }
+ if (nprops == 0)
+ return NULL;
- /* 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;
+ /* FIXME: Is the __GLX_MIN_CONFIG_PROPS test correct for FBconfigs? */
- 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;
}
-
-/**
- * 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,
-};
-
-
-/**
- * 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
+getVisualConfigs(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)) {
- fd = drmOpen(NULL,BusID);
- 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 (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 );
- }
- }
- }
- }
- }
- }
- }
- }
+ xGLXGetVisualConfigsReq *req;
+ __GLXscreenConfigs *psc;
+ xGLXGetVisualConfigsReply reply;
+
+ LockDisplay(dpy);
- if ( psp == NULL ) {
- if ( pSAREA != MAP_FAILED ) {
- (void)drmUnmap(pSAREA, SAREA_MAX);
- }
+ psc = priv->screenConfigs + screen;
+ psc->visuals = NULL;
+ GetReq(GLXGetVisualConfigs, req);
+ req->reqType = priv->majorOpcode;
+ req->glxCode = X_GLXGetVisualConfigs;
+ req->screen = screen;
- if ( framebuffer.base != MAP_FAILED ) {
- (void)drmUnmap((drmAddress)framebuffer.base, framebuffer.size);
- }
+ if (!_XReply(dpy, (xReply*) &reply, 0, False))
+ goto out;
- if ( framebuffer.dev_priv != NULL ) {
- Xfree(framebuffer.dev_priv);
- }
+ psc->visuals = createConfigsFromProperties(dpy,
+ reply.numVisuals,
+ reply.numProps,
+ screen, GL_FALSE);
- if ( fd >= 0 ) {
- (void)drmClose(fd);
- }
+ out:
+ UnlockDisplay(dpy);
+ return psc->visuals != NULL;
+}
- (void)XF86DRICloseConnection(dpy, scrn);
+static GLboolean
+getFBConfigs(Display *dpy, __GLXdisplayPrivate *priv, int screen)
+{
+ xGLXGetFBConfigsReq *fb_req;
+ xGLXGetFBConfigsSGIXReq *sgi_req;
+ xGLXVendorPrivateWithReplyReq *vpreq;
+ xGLXGetFBConfigsReply reply;
+ __GLXscreenConfigs *psc;
- 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 );
- }
+ psc = priv->screenConfigs + screen;
+ psc->serverGLXexts = __glXGetStringFromServer(dpy, priv->majorOpcode,
+ X_GLXQueryServerString,
+ screen, GLX_EXTENSIONS);
- fprintf(stderr, "libGL error: reverting to (slow) indirect rendering\n");
- }
-#endif /* !GLX_USE_APPLEGL */
+ LockDisplay(dpy);
- return psp;
+ 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 (!_XReply(dpy, (xReply*) &reply, 0, False))
+ goto out;
+
+ psc->configs = createConfigsFromProperties(dpy,
+ reply.numFBConfigs,
+ reply.numAttribs * 2,
+ screen, GL_TRUE);
+
+ out:
+ UnlockDisplay(dpy);
+ return psc->configs != NULL;
}
-#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;
- __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.
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;
- }
- }
-
-
- 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);
- FreeScreenConfigs(priv);
- return GL_FALSE;
- }
-
- UnlockDisplay(dpy);
- if (!reply.numVisuals) {
- /* This screen does not support GL rendering */
- UnlockDisplay(dpy);
- 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;
- }
-
- /* 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);
+ getVisualConfigs(dpy, priv, i);
+ getFBConfigs(dpy, priv, i);
+ psc->scr = i;
+ psc->dpy = 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] );
- }
- }
+ driCreateScreen(psc, i, priv);
#endif
}
SyncHandle();
__glXUnlock();
return 0;
}
- dpyPriv = (__GLXdisplayPrivate *) Xmalloc(sizeof(__GLXdisplayPrivate));
+ dpyPriv = (__GLXdisplayPrivate *) Xcalloc(1, sizeof(__GLXdisplayPrivate));
if (!dpyPriv) {
__glXUnlock();
Xfree((char*) private);
** Note: This _must_ be done before calling any other DRI routines
** (e.g., those called in AllocAndFetchScreenConfigs).
*/
- if (getenv("LIBGL_ALWAYS_INDIRECT")) {
- /* Assinging zero here assures we'll never go direct */
- dpyPriv->driDisplay.private = 0;
- dpyPriv->driDisplay.destroyDisplay = 0;
- }
- else {
+ if (getenv("LIBGL_ALWAYS_INDIRECT") == NULL) {
dpyPriv->driDisplay.private =
driCreateDisplay(dpy, &dpyPriv->driDisplay);
}
{
Display * const dpy = ctx->currentDpy;
#ifdef USE_XCB
- XCBConnection *c = XCBConnectionOfDisplay(dpy);
+ xcb_connection_t *c = XGetXCBConnection(dpy);
#else
xGLXRenderReq *req;
#endif /* USE_XCB */
if ( (dpy != NULL) && (size > 0) ) {
#ifdef USE_XCB
- XCBGlxRender(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);
{
Display *dpy = gc->currentDpy;
#ifdef USE_XCB
- XCBConnection *c = XCBConnectionOfDisplay(dpy);
- XCBGlxRenderLarge(c, gc->currentContextTag, requestNumber, totalRequests, dataLen, data);
+ xcb_connection_t *c = XGetXCBConnection(dpy);
+ xcb_glx_render_large(c, gc->currentContextTag, requestNumber, totalRequests, dataLen, data);
#else
xGLXRenderLargeReq *req;
/************************************************************************/
-GLXContext glXGetCurrentContext(void)
+PUBLIC GLXContext glXGetCurrentContext(void)
{
GLXContext cx = __glXGetCurrentContext();
}
}
-GLXDrawable glXGetCurrentDrawable(void)
+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,
* \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 )
+static Bool SendMakeCurrentRequest(Display *dpy, CARD8 opcode,
+ GLXContextID gc_id, GLXContextTag gc_tag,
+ GLXDrawable draw, GLXDrawable read,
+ xGLXMakeCurrentReply *reply)
{
- if ( draw == read ) {
+ Bool ret;
+
+
+ LockDisplay(dpy);
+
+ if (draw == read) {
xGLXMakeCurrentReq *req;
GetReq(GLXMakeCurrent,req);
* not the SGI extension.
*/
- if ( (priv->majorVersion > 1) || (priv->minorVersion >= 3) ) {
+ if ((priv->majorVersion > 1) || (priv->minorVersion >= 3)) {
xGLXMakeContextCurrentReq *req;
GetReq(GLXMakeContextCurrent,req);
}
}
- return _XReply(dpy, (xReply*) reply, 0, False);
+ ret = _XReply(dpy, (xReply*) reply, 0, False);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return ret;
}
#ifdef GLX_DIRECT_RENDERING
+static __DRIdrawable *
+FetchDRIDrawable( Display *dpy, GLXDrawable drawable, GLXContext gc)
+{
+ __GLXdisplayPrivate * const priv = __glXInitialize(dpy);
+ __GLXdrawable *pdraw;
+ __GLXscreenConfigs *sc;
+ drm_drawable_t hwDrawable;
+ void *empty_attribute_list = NULL;
+
+ if (priv == NULL || priv->driDisplay.private == NULL)
+ return NULL;
+
+ sc = &priv->screenConfigs[gc->screen];
+ if (__glxHashLookup(sc->drawHash, drawable, (void *) &pdraw) == 0)
+ return &pdraw->driDrawable;
+
+ /* Allocate a new drawable */
+ pdraw = Xmalloc(sizeof(*pdraw));
+ if (!pdraw)
+ return NULL;
+
+ pdraw->drawable = drawable;
+ pdraw->psc = sc;
+
+ if (!XF86DRICreateDrawable(dpy, sc->scr, drawable, &hwDrawable))
+ return NULL;
+
+ /* Create a new drawable */
+ pdraw->driDrawable.private =
+ (*sc->driScreen.createNewDrawable)(&sc->driScreen,
+ gc->mode,
+ &pdraw->driDrawable,
+ hwDrawable,
+ GLX_WINDOW_BIT,
+ empty_attribute_list);
+
+ if (!pdraw->driDrawable.private) {
+ XF86DRIDestroyDrawable(dpy, sc->scr, drawable);
+ Xfree(pdraw);
+ return NULL;
+ }
+
+ if (__glxHashInsert(sc->drawHash, drawable, pdraw)) {
+ (*pdraw->driDrawable.destroyDrawable)(&pdraw->driDrawable);
+ XF86DRIDestroyDrawable(dpy, sc->scr, drawable);
+ Xfree(pdraw);
+ return NULL;
+ }
+
+ return &pdraw->driDrawable;
+}
+
static Bool BindContextWrapper( Display *dpy, GLXContext gc,
GLXDrawable draw, GLXDrawable read )
{
- return (*gc->driContext.bindContext)(dpy, gc->screen, draw, read,
- & gc->driContext);
+ __DRIdrawable *pdraw = FetchDRIDrawable(dpy, draw, gc);
+ __DRIdrawable *pread = FetchDRIDrawable(dpy, read, gc);
+
+ return (*gc->driContext.bindContext)(&gc->driContext, pdraw, pread);
}
static Bool UnbindContextWrapper( GLXContext gc )
{
- return (*gc->driContext.unbindContext)(gc->currentDpy, gc->screen,
- gc->currentDrawable,
- gc->currentReadable,
- & gc->driContext );
+ return (*gc->driContext.unbindContext)(&gc->driContext);
}
#endif /* GLX_DIRECT_RENDERING */
-/*
-** Make a particular context current.
-** NOTE: this is in this file so that it can access dummyContext.
-*/
+/**
+ * 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;
- GLXContext oldGC;
- CARD8 opcode, oldOpcode;
- Bool sentRequestToOldDpy = False;
- Bool bindReturnValue = True;
+ const GLXContext oldGC = __glXGetCurrentContext();
+ const CARD8 opcode = __glXSetupForCommand(dpy);
+ const CARD8 oldOpcode = ((gc == oldGC) || (oldGC == &dummyContext))
+ ? opcode : __glXSetupForCommand(oldGC->currentDpy);
+ Bool bindReturnValue;
- opcode = __glXSetupForCommand(dpy);
- if (!opcode) {
+
+ 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.
- */
+ /* 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;
}
- oldGC = __glXGetCurrentContext();
- oldOpcode = (gc == oldGC) ? opcode : __glXSetupForCommand(dpy);
- if (!oldOpcode) {
+#ifndef GLX_DIRECT_RENDERING
+ if (gc && gc->isDirect) {
return GL_FALSE;
}
-
- if ((dpy != oldGC->currentDpy || (gc && gc->isDirect)) &&
- !oldGC->isDirect && oldGC != &dummyContext) {
- /*
- ** 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.
- */
- sentRequestToOldDpy = True;
- LockDisplay(oldGC->currentDpy);
- if ( ! SendMakeCurrentRequest( oldGC->currentDpy, oldOpcode, None,
- oldGC->currentContextTag, None, None,
- &reply ) ) {
- /* The make current failed. Just return GL_FALSE. */
- UnlockDisplay(oldGC->currentDpy);
- SyncHandle();
- return GL_FALSE;
- }
-
- oldGC->currentContextTag = 0;
- }
+#endif
_glapi_check_multithread();
#ifdef GLX_DIRECT_RENDERING
- /* Unbind the old direct rendering context */
- if (oldGC->isDirect) {
- if (oldGC->driContext.private) {
- if (! UnbindContextWrapper( oldGC )) {
- /* The make current failed. Just return GL_FALSE. */
- return GL_FALSE;
- }
- }
- oldGC->currentContextTag = 0;
- }
-
/* Bind the direct rendering context to the drawable */
if (gc && gc->isDirect) {
- if (gc->driContext.private) {
- bindReturnValue = BindContextWrapper( dpy, gc, draw, read );
- }
- } else {
+ bindReturnValue = (gc->driContext.private)
+ ? BindContextWrapper(dpy, gc, draw, read)
+ : False;
+ } else
#endif
+ {
/* Send a glXMakeCurrent request to bind the new context. */
- LockDisplay(dpy);
-
- bindReturnValue = SendMakeCurrentRequest( dpy, opcode,
- gc ? gc->xid : None,
- oldGC->currentContextTag,
- draw, read, &reply );
- UnlockDisplay(dpy);
-#ifdef GLX_DIRECT_RENDERING
+ bindReturnValue =
+ SendMakeCurrentRequest(dpy, opcode, gc ? gc->xid : None,
+ ((dpy != oldGC->currentDpy) || oldGC->isDirect)
+ ? None : oldGC->currentContextTag,
+ draw, read, &reply);
}
-#endif
if (!bindReturnValue) {
- /* The make current failed. */
- if (gc && !gc->isDirect) {
- SyncHandle();
- }
+ 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
- /* If the old context was direct rendering, then re-bind to it. */
- if (oldGC->isDirect) {
- if (oldGC->driContext.private) {
- if (! BindContextWrapper( oldGC->currentDpy, oldGC,
- oldGC->currentDrawable,
- oldGC->currentReadable )) {
- /*
- ** The request failed; this cannot happen with the
- ** current API. If in the future the API is
- ** extended to allow context sharing between
- ** clients, then this may fail (because another
- ** client may have grabbed the context); in that
- ** case, we cannot undo the previous request, and
- ** cannot adhere to the "no-op" behavior.
- */
- }
- }
- } else
-#endif
- /*
- ** If we had just sent a request to a previous dpy, we have to
- ** undo that request (because if a command fails, it should act
- ** like a no-op) by making current to the previous context and
- ** drawable.
- */
- if (sentRequestToOldDpy) {
- if ( !SendMakeCurrentRequest( oldGC->currentDpy, oldOpcode,
- oldGC->xid, 0,
- oldGC->currentDrawable,
- oldGC->currentReadable, &reply ) ) {
- UnlockDisplay(oldGC->currentDpy);
- SyncHandle();
- /*
- ** The request failed; this cannot happen with the
- ** current API. If in the future the API is extended to
- ** allow context sharing between clients, then this may
- ** fail (because another client may have grabbed the
- ** context); in that case, we cannot undo the previous
- ** request, and cannot adhere to the "no-op" behavior.
- */
- }
- else {
- UnlockDisplay(oldGC->currentDpy);
- }
- oldGC->currentContextTag = reply.contextTag;
- }
- return GL_FALSE;
+ 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.
- */
+ /* 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 {
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.
- */
+ /* 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);
+ XF86DRIDestroyContext(oldGC->createDpy,
+ oldGC->psc->scr,
+ gc->hwContextID);
oldGC->driContext.private = NULL;
}
}
}
if (gc) {
__glXSetCurrentContext(gc);
-#ifdef GLX_DIRECT_RENDERING
+
+ gc->currentDpy = dpy;
+ gc->currentDrawable = draw;
+ gc->currentReadable = read;
+
if (!gc->isDirect) {
if (!IndirectAPI)
IndirectAPI = __glXNewIndirectAPI();
_glapi_set_dispatch(IndirectAPI);
-# ifdef GLX_USE_APPLEGL
+
+#ifdef GLX_USE_APPLEGL
do {
extern void XAppleDRIUseIndirectDispatch(void);
XAppleDRIUseIndirectDispatch();
} while (0);
-# endif
- }
-#else
- /* if not direct rendering, always need indirect dispatch */
- if (!IndirectAPI)
- IndirectAPI = __glXNewIndirectAPI();
- _glapi_set_dispatch(IndirectAPI);
#endif
- gc->currentDpy = dpy;
- gc->currentDrawable = draw;
- gc->currentReadable = read;
- if ( ! gc->isDirect ) {
- __GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
+ __GLXattribute *state =
+ (__GLXattribute *)(gc->client_state_private);
gc->currentContextTag = reply.contextTag;
- if ( state->array_state == NULL ) {
- (void) glGetString( GL_EXTENSIONS );
- (void) glGetString( GL_VERSION );
+ if (state->array_state == NULL) {
+ (void) glGetString(GL_EXTENSIONS);
+ (void) glGetString(GL_VERSION);
__glXInitVertexArrayState(gc);
}
}