2 * Copyright 2008 George Sapountzis
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 #if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
27 #include "glxclient.h"
29 #include "dri_common.h"
30 #include "drisw_priv.h"
31 #include <X11/extensions/shmproto.h>
35 XCreateGCs(struct drisw_drawable * pdp,
36 Display * dpy, XID drawable, int visualid)
44 pdp->gc = XCreateGC(dpy, drawable, 0, NULL);
45 pdp->swapgc = XCreateGC(dpy, drawable, 0, NULL);
47 gcvalues.function = GXcopy;
48 gcvalues.graphics_exposures = False;
49 XChangeGC(dpy, pdp->gc, GCFunction, &gcvalues);
50 XChangeGC(dpy, pdp->swapgc, GCFunction, &gcvalues);
51 XChangeGC(dpy, pdp->swapgc, GCGraphicsExposures, &gcvalues);
54 visTemp.visualid = visualid;
55 visMask = VisualIDMask;
56 pdp->visinfo = XGetVisualInfo(dpy, visMask, &visTemp, &num_visuals);
58 if (!pdp->visinfo || num_visuals == 0)
64 static int xshm_error = 0;
65 static int xshm_opcode = -1;
68 * Catches potential Xlib errors.
71 handle_xerror(Display *dpy, XErrorEvent *event)
75 assert(xshm_opcode != -1);
76 if (event->request_code != xshm_opcode ||
77 event->minor_code != X_ShmAttach)
85 XCreateDrawable(struct drisw_drawable * pdp, int shmid, Display * dpy)
88 XDestroyImage(pdp->ximage);
92 if (!xshm_error && shmid >= 0) {
93 pdp->shminfo.shmid = shmid;
94 pdp->ximage = XShmCreateImage(dpy,
99 &pdp->shminfo, /* shminfo */
100 0, 0); /* width, height */
101 if (pdp->ximage != NULL) {
102 int (*old_handler)(Display *, XErrorEvent *);
104 /* dispatch pending errors */
107 old_handler = XSetErrorHandler(handle_xerror);
108 /* This may trigger the X protocol error we're ready to catch: */
109 XShmAttach(dpy, &pdp->shminfo);
113 /* we are on a remote display, this error is normal, don't print it */
114 XDestroyImage(pdp->ximage);
118 (void) XSetErrorHandler(old_handler);
122 if (pdp->ximage == NULL) {
123 pdp->shminfo.shmid = -1;
124 pdp->ximage = XCreateImage(dpy,
125 pdp->visinfo->visual,
127 ZPixmap, 0, /* format, offset */
129 0, 0, /* width, height */
131 0); /* bytes_per_line */
135 * swrast does not handle 24-bit depth with 24 bpp, so let X do the
136 * the conversion for us.
138 if (pdp->ximage->bits_per_pixel == 24)
139 pdp->ximage->bits_per_pixel = 32;
145 XDestroyDrawable(struct drisw_drawable * pdp, Display * dpy, XID drawable)
148 XDestroyImage(pdp->ximage);
150 if (pdp->shminfo.shmid > 0)
151 XShmDetach(dpy, &pdp->shminfo);
155 XFreeGC(dpy, pdp->gc);
156 XFreeGC(dpy, pdp->swapgc);
160 * swrast loader functions
164 swrastGetDrawableInfo(__DRIdrawable * draw,
165 int *x, int *y, int *w, int *h,
168 struct drisw_drawable *pdp = loaderPrivate;
169 __GLXDRIdrawable *pdraw = &(pdp->base);
170 Display *dpy = pdraw->psc->dpy;
174 unsigned uw, uh, bw, depth;
176 drawable = pdraw->xDrawable;
178 XGetGeometry(dpy, drawable, &root, x, y, &uw, &uh, &bw, &depth);
184 * Align renderbuffer pitch.
186 * This should be chosen by the driver and the loader (libGL, xserver/glx)
187 * should use the driver provided pitch.
189 * It seems that the xorg loader (that is the xserver loading swrast_dri for
190 * indirect rendering, not client-side libGL) requires that the pitch is
191 * exactly the image width padded to 32 bits. XXX
193 * The above restriction can probably be overcome by using ScratchPixmap and
194 * CopyArea in the xserver, similar to ShmPutImage, and setting the width of
195 * the scratch pixmap to 'pitch / cpp'.
198 bytes_per_line(unsigned pitch_bits, unsigned mul)
200 unsigned mask = mul - 1;
202 return ((pitch_bits + mask) & ~mask) / 8;
206 swrastXPutImage(__DRIdrawable * draw, int op,
207 int srcx, int srcy, int x, int y,
208 int w, int h, int stride,
209 int shmid, char *data, void *loaderPrivate)
211 struct drisw_drawable *pdp = loaderPrivate;
212 __GLXDRIdrawable *pdraw = &(pdp->base);
213 Display *dpy = pdraw->psc->dpy;
218 if (!pdp->ximage || shmid != pdp->shminfo.shmid) {
219 if (!XCreateDrawable(pdp, shmid, dpy))
224 case __DRI_SWRAST_IMAGE_OP_DRAW:
227 case __DRI_SWRAST_IMAGE_OP_SWAP:
234 drawable = pdraw->xDrawable;
235 ximage = pdp->ximage;
236 ximage->bytes_per_line = stride ? stride : bytes_per_line(w * ximage->bits_per_pixel, 32);
239 if (pdp->shminfo.shmid >= 0) {
240 ximage->width = ximage->bytes_per_line / ((ximage->bits_per_pixel + 7)/ 8);
242 XShmPutImage(dpy, drawable, gc, ximage, srcx, srcy, x, y, w, h, False);
247 XPutImage(dpy, drawable, gc, ximage, srcx, srcy, x, y, w, h);
253 swrastPutImageShm(__DRIdrawable * draw, int op,
254 int x, int y, int w, int h, int stride,
255 int shmid, char *shmaddr, unsigned offset,
258 struct drisw_drawable *pdp = loaderPrivate;
260 pdp->shminfo.shmaddr = shmaddr;
261 swrastXPutImage(draw, op, 0, 0, x, y, w, h, stride, shmid,
262 shmaddr + offset, loaderPrivate);
266 swrastPutImageShm2(__DRIdrawable * draw, int op,
268 int w, int h, int stride,
269 int shmid, char *shmaddr, unsigned offset,
272 struct drisw_drawable *pdp = loaderPrivate;
274 pdp->shminfo.shmaddr = shmaddr;
275 swrastXPutImage(draw, op, x, 0, x, y, w, h, stride, shmid,
276 shmaddr + offset, loaderPrivate);
280 swrastPutImage2(__DRIdrawable * draw, int op,
281 int x, int y, int w, int h, int stride,
282 char *data, void *loaderPrivate)
284 swrastXPutImage(draw, op, 0, 0, x, y, w, h, stride, -1,
285 data, loaderPrivate);
289 swrastPutImage(__DRIdrawable * draw, int op,
290 int x, int y, int w, int h,
291 char *data, void *loaderPrivate)
293 swrastXPutImage(draw, op, 0, 0, x, y, w, h, 0, -1,
294 data, loaderPrivate);
298 swrastGetImage2(__DRIdrawable * read,
299 int x, int y, int w, int h, int stride,
300 char *data, void *loaderPrivate)
302 struct drisw_drawable *prp = loaderPrivate;
303 __GLXDRIdrawable *pread = &(prp->base);
304 Display *dpy = pread->psc->dpy;
308 if (!prp->ximage || prp->shminfo.shmid >= 0) {
309 if (!XCreateDrawable(prp, -1, dpy))
313 readable = pread->xDrawable;
315 ximage = prp->ximage;
319 ximage->bytes_per_line = stride ? stride : bytes_per_line(w * ximage->bits_per_pixel, 32);
321 XGetSubImage(dpy, readable, x, y, w, h, ~0L, ZPixmap, ximage, 0, 0);
327 swrastGetImage(__DRIdrawable * read,
328 int x, int y, int w, int h,
329 char *data, void *loaderPrivate)
331 swrastGetImage2(read, x, y, w, h, 0, data, loaderPrivate);
335 swrastGetImageShm(__DRIdrawable * read,
336 int x, int y, int w, int h,
337 int shmid, void *loaderPrivate)
339 struct drisw_drawable *prp = loaderPrivate;
340 __GLXDRIdrawable *pread = &(prp->base);
341 Display *dpy = pread->psc->dpy;
345 if (!prp->ximage || shmid != prp->shminfo.shmid) {
346 if (!XCreateDrawable(prp, shmid, dpy))
349 readable = pread->xDrawable;
351 ximage = prp->ximage;
352 ximage->data = prp->shminfo.shmaddr; /* no offset */
355 ximage->bytes_per_line = bytes_per_line(w * ximage->bits_per_pixel, 32);
357 XShmGetImage(dpy, readable, ximage, x, y, ~0L);
360 static const __DRIswrastLoaderExtension swrastLoaderExtension_shm = {
361 .base = {__DRI_SWRAST_LOADER, 5 },
363 .getDrawableInfo = swrastGetDrawableInfo,
364 .putImage = swrastPutImage,
365 .getImage = swrastGetImage,
366 .putImage2 = swrastPutImage2,
367 .getImage2 = swrastGetImage2,
368 .putImageShm = swrastPutImageShm,
369 .getImageShm = swrastGetImageShm,
370 .putImageShm2 = swrastPutImageShm2,
373 static const __DRIextension *loader_extensions_shm[] = {
374 &swrastLoaderExtension_shm.base,
378 static const __DRIswrastLoaderExtension swrastLoaderExtension = {
379 .base = {__DRI_SWRAST_LOADER, 3 },
381 .getDrawableInfo = swrastGetDrawableInfo,
382 .putImage = swrastPutImage,
383 .getImage = swrastGetImage,
384 .putImage2 = swrastPutImage2,
385 .getImage2 = swrastGetImage2,
388 static const __DRIextension *loader_extensions_noshm[] = {
389 &swrastLoaderExtension.base,
398 drisw_destroy_context(struct glx_context *context)
400 struct drisw_context *pcp = (struct drisw_context *) context;
401 struct drisw_screen *psc = (struct drisw_screen *) context->psc;
403 driReleaseDrawables(&pcp->base);
405 free((char *) context->extensions);
407 (*psc->core->destroyContext) (pcp->driContext);
413 drisw_bind_context(struct glx_context *context, struct glx_context *old,
414 GLXDrawable draw, GLXDrawable read)
416 struct drisw_context *pcp = (struct drisw_context *) context;
417 struct drisw_screen *psc = (struct drisw_screen *) pcp->base.psc;
418 struct drisw_drawable *pdraw, *pread;
420 pdraw = (struct drisw_drawable *) driFetchDrawable(context, draw);
421 pread = (struct drisw_drawable *) driFetchDrawable(context, read);
423 driReleaseDrawables(&pcp->base);
425 if ((*psc->core->bindContext) (pcp->driContext,
426 pdraw ? pdraw->driDrawable : NULL,
427 pread ? pread->driDrawable : NULL))
430 return GLXBadContext;
434 drisw_unbind_context(struct glx_context *context, struct glx_context *new)
436 struct drisw_context *pcp = (struct drisw_context *) context;
437 struct drisw_screen *psc = (struct drisw_screen *) pcp->base.psc;
439 (*psc->core->unbindContext) (pcp->driContext);
443 drisw_bind_tex_image(Display * dpy,
444 GLXDrawable drawable,
445 int buffer, const int *attrib_list)
447 struct glx_context *gc = __glXGetCurrentContext();
448 struct drisw_context *pcp = (struct drisw_context *) gc;
449 __GLXDRIdrawable *base = GetGLXDRIDrawable(dpy, drawable);
450 struct drisw_drawable *pdraw = (struct drisw_drawable *) base;
451 struct drisw_screen *psc;
453 __glXInitialize(dpy);
456 psc = (struct drisw_screen *) base->psc;
461 if (psc->texBuffer->base.version >= 2 &&
462 psc->texBuffer->setTexBuffer2 != NULL) {
463 (*psc->texBuffer->setTexBuffer2) (pcp->driContext,
464 pdraw->base.textureTarget,
465 pdraw->base.textureFormat,
469 (*psc->texBuffer->setTexBuffer) (pcp->driContext,
470 pdraw->base.textureTarget,
477 drisw_release_tex_image(Display * dpy, GLXDrawable drawable, int buffer)
479 struct glx_context *gc = __glXGetCurrentContext();
480 struct drisw_context *pcp = (struct drisw_context *) gc;
481 __GLXDRIdrawable *base = GetGLXDRIDrawable(dpy, drawable);
482 struct glx_display *dpyPriv = __glXInitialize(dpy);
483 struct drisw_drawable *pdraw = (struct drisw_drawable *) base;
484 struct drisw_screen *psc;
486 if (dpyPriv != NULL && pdraw != NULL) {
487 psc = (struct drisw_screen *) base->psc;
492 if (psc->texBuffer->base.version >= 3 &&
493 psc->texBuffer->releaseTexBuffer != NULL) {
494 (*psc->texBuffer->releaseTexBuffer) (pcp->driContext,
495 pdraw->base.textureTarget,
501 static const struct glx_context_vtable drisw_context_vtable = {
502 .destroy = drisw_destroy_context,
503 .bind = drisw_bind_context,
504 .unbind = drisw_unbind_context,
507 .use_x_font = DRI_glXUseXFont,
508 .bind_tex_image = drisw_bind_tex_image,
509 .release_tex_image = drisw_release_tex_image,
510 .get_proc_address = NULL,
513 static struct glx_context *
514 drisw_create_context(struct glx_screen *base,
515 struct glx_config *config_base,
516 struct glx_context *shareList, int renderType)
518 struct drisw_context *pcp, *pcp_shared;
519 __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
520 struct drisw_screen *psc = (struct drisw_screen *) base;
521 __DRIcontext *shared = NULL;
523 if (!psc->base.driScreen)
526 /* Check the renderType value */
527 if (!validate_renderType_against_config(config_base, renderType))
531 /* If the shareList context is not a DRISW context, we cannot possibly
532 * create a DRISW context that shares it.
534 if (shareList->vtable->destroy != drisw_destroy_context) {
538 pcp_shared = (struct drisw_context *) shareList;
539 shared = pcp_shared->driContext;
542 pcp = calloc(1, sizeof *pcp);
546 if (!glx_context_init(&pcp->base, &psc->base, &config->base)) {
551 pcp->base.renderType = renderType;
554 (*psc->core->createNewContext) (psc->driScreen,
555 config->driConfig, shared, pcp);
556 if (pcp->driContext == NULL) {
561 pcp->base.vtable = &drisw_context_vtable;
566 static struct glx_context *
567 drisw_create_context_attribs(struct glx_screen *base,
568 struct glx_config *config_base,
569 struct glx_context *shareList,
570 unsigned num_attribs,
571 const uint32_t *attribs,
574 struct drisw_context *pcp, *pcp_shared;
575 __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
576 struct drisw_screen *psc = (struct drisw_screen *) base;
577 __DRIcontext *shared = NULL;
586 uint32_t ctx_attribs[2 * 5];
587 unsigned num_ctx_attribs = 0;
589 if (!psc->base.driScreen)
592 if (psc->swrast->base.version < 3)
595 /* Remap the GLX tokens to DRI2 tokens.
597 if (!dri2_convert_glx_attribs(num_attribs, attribs,
598 &major_ver, &minor_ver, &renderType, &flags,
599 &api, &reset, &release, error))
602 /* Check the renderType value */
603 if (!validate_renderType_against_config(config_base, renderType)) {
607 if (reset != __DRI_CTX_RESET_NO_NOTIFICATION)
610 if (release != __DRI_CTX_RELEASE_BEHAVIOR_FLUSH &&
611 release != __DRI_CTX_RELEASE_BEHAVIOR_NONE)
615 pcp_shared = (struct drisw_context *) shareList;
616 shared = pcp_shared->driContext;
619 pcp = calloc(1, sizeof *pcp);
623 if (!glx_context_init(&pcp->base, &psc->base, config_base)) {
628 ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
629 ctx_attribs[num_ctx_attribs++] = major_ver;
630 ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
631 ctx_attribs[num_ctx_attribs++] = minor_ver;
632 if (release != __DRI_CTX_RELEASE_BEHAVIOR_FLUSH) {
633 ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR;
634 ctx_attribs[num_ctx_attribs++] = release;
638 ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
640 /* The current __DRI_CTX_FLAG_* values are identical to the
641 * GLX_CONTEXT_*_BIT values.
643 ctx_attribs[num_ctx_attribs++] = flags;
646 pcp->base.renderType = renderType;
649 (*psc->swrast->createContextAttribs) (psc->driScreen,
651 config ? config->driConfig : 0,
657 if (pcp->driContext == NULL) {
662 pcp->base.vtable = &drisw_context_vtable;
668 driswDestroyDrawable(__GLXDRIdrawable * pdraw)
670 struct drisw_drawable *pdp = (struct drisw_drawable *) pdraw;
671 struct drisw_screen *psc = (struct drisw_screen *) pdp->base.psc;
673 (*psc->core->destroyDrawable) (pdp->driDrawable);
675 XDestroyDrawable(pdp, pdraw->psc->dpy, pdraw->drawable);
679 static __GLXDRIdrawable *
680 driswCreateDrawable(struct glx_screen *base, XID xDrawable,
681 GLXDrawable drawable, struct glx_config *modes)
683 struct drisw_drawable *pdp;
684 __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) modes;
685 struct drisw_screen *psc = (struct drisw_screen *) base;
687 const __DRIswrastExtension *swrast = psc->swrast;
689 pdp = calloc(1, sizeof(*pdp));
693 pdp->base.xDrawable = xDrawable;
694 pdp->base.drawable = drawable;
695 pdp->base.psc = &psc->base;
697 ret = XCreateGCs(pdp, psc->base.dpy, xDrawable, modes->visualID);
703 /* Create a new drawable */
705 (*swrast->createNewDrawable) (psc->driScreen, config->driConfig, pdp);
707 if (!pdp->driDrawable) {
708 XDestroyDrawable(pdp, psc->base.dpy, xDrawable);
713 pdp->base.destroyDrawable = driswDestroyDrawable;
719 driswSwapBuffers(__GLXDRIdrawable * pdraw,
720 int64_t target_msc, int64_t divisor, int64_t remainder,
723 struct drisw_drawable *pdp = (struct drisw_drawable *) pdraw;
724 struct drisw_screen *psc = (struct drisw_screen *) pdp->base.psc;
734 (*psc->core->swapBuffers) (pdp->driDrawable);
740 driswCopySubBuffer(__GLXDRIdrawable * pdraw,
741 int x, int y, int width, int height, Bool flush)
743 struct drisw_drawable *pdp = (struct drisw_drawable *) pdraw;
744 struct drisw_screen *psc = (struct drisw_screen *) pdp->base.psc;
750 (*psc->copySubBuffer->copySubBuffer) (pdp->driDrawable,
751 x, y, width, height);
755 driswDestroyScreen(struct glx_screen *base)
757 struct drisw_screen *psc = (struct drisw_screen *) base;
759 /* Free the direct rendering per screen data */
760 (*psc->core->destroyScreen) (psc->driScreen);
761 driDestroyConfigs(psc->driver_configs);
762 psc->driScreen = NULL;
764 dlclose(psc->driver);
768 #define SWRAST_DRIVER_NAME "swrast"
776 driver = driOpenDriver(SWRAST_DRIVER_NAME);
781 static const struct glx_screen_vtable drisw_screen_vtable = {
782 .create_context = drisw_create_context,
783 .create_context_attribs = drisw_create_context_attribs,
784 .query_renderer_integer = drisw_query_renderer_integer,
785 .query_renderer_string = drisw_query_renderer_string,
789 driswBindExtensions(struct drisw_screen *psc, const __DRIextension **extensions)
793 __glXEnableDirectExtension(&psc->base, "GLX_SGI_make_current_read");
795 if (psc->swrast->base.version >= 3) {
796 __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context");
797 __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context_profile");
799 /* DRISW version >= 2 implies support for OpenGL ES.
801 __glXEnableDirectExtension(&psc->base,
802 "GLX_EXT_create_context_es_profile");
803 __glXEnableDirectExtension(&psc->base,
804 "GLX_EXT_create_context_es2_profile");
807 if (psc->copySubBuffer)
808 __glXEnableDirectExtension(&psc->base, "GLX_MESA_copy_sub_buffer");
810 /* FIXME: Figure out what other extensions can be ported here from dri2. */
811 for (i = 0; extensions[i]; i++) {
812 if ((strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0)) {
813 psc->texBuffer = (__DRItexBufferExtension *) extensions[i];
814 __glXEnableDirectExtension(&psc->base, "GLX_EXT_texture_from_pixmap");
816 /* DRISW version 3 is also required because GLX_MESA_query_renderer
817 * requires GLX_ARB_create_context_profile.
819 if (psc->swrast->base.version >= 3
820 && strcmp(extensions[i]->name, __DRI2_RENDERER_QUERY) == 0) {
821 psc->rendererQuery = (__DRI2rendererQueryExtension *) extensions[i];
822 __glXEnableDirectExtension(&psc->base, "GLX_MESA_query_renderer");
824 if (strcmp(extensions[i]->name, __DRI2_FLUSH_CONTROL) == 0) {
825 __glXEnableDirectExtension(&psc->base,
826 "GLX_ARB_context_flush_control");
832 check_xshm(Display *dpy)
836 return XQueryExtension(dpy, "MIT-SHM", &xshm_opcode, &ignore, &ignore);
839 static struct glx_screen *
840 driswCreateScreen(int screen, struct glx_display *priv)
843 const __DRIconfig **driver_configs;
844 const __DRIextension **extensions;
845 struct drisw_screen *psc;
846 struct glx_config *configs = NULL, *visuals = NULL;
848 const __DRIextension **loader_extensions_local;
850 psc = calloc(1, sizeof *psc);
854 if (!glx_screen_init(&psc->base, screen, priv)) {
859 psc->driver = driOpenSwrast();
860 if (psc->driver == NULL)
863 extensions = driGetDriverExtensions(psc->driver, SWRAST_DRIVER_NAME);
864 if (extensions == NULL)
867 if (!check_xshm(psc->base.dpy))
868 loader_extensions_local = loader_extensions_noshm;
870 loader_extensions_local = loader_extensions_shm;
872 for (i = 0; extensions[i]; i++) {
873 if (strcmp(extensions[i]->name, __DRI_CORE) == 0)
874 psc->core = (__DRIcoreExtension *) extensions[i];
875 if (strcmp(extensions[i]->name, __DRI_SWRAST) == 0)
876 psc->swrast = (__DRIswrastExtension *) extensions[i];
877 if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0)
878 psc->copySubBuffer = (__DRIcopySubBufferExtension *) extensions[i];
881 if (psc->core == NULL || psc->swrast == NULL) {
882 ErrorMessageF("core dri extension not found\n");
886 if (psc->swrast->base.version >= 4) {
888 psc->swrast->createNewScreen2(screen, loader_extensions_local,
890 &driver_configs, psc);
893 psc->swrast->createNewScreen(screen, loader_extensions_local,
894 &driver_configs, psc);
896 if (psc->driScreen == NULL) {
897 ErrorMessageF("failed to create dri screen\n");
901 extensions = psc->core->getExtensions(psc->driScreen);
902 driswBindExtensions(psc, extensions);
904 configs = driConvertConfigs(psc->core, psc->base.configs, driver_configs);
905 visuals = driConvertConfigs(psc->core, psc->base.visuals, driver_configs);
907 if (!configs || !visuals) {
908 ErrorMessageF("No matching fbConfigs or visuals found\n");
912 glx_config_destroy_list(psc->base.configs);
913 psc->base.configs = configs;
914 glx_config_destroy_list(psc->base.visuals);
915 psc->base.visuals = visuals;
917 psc->driver_configs = driver_configs;
919 psc->base.vtable = &drisw_screen_vtable;
921 psc->base.driScreen = psp;
922 psp->destroyScreen = driswDestroyScreen;
923 psp->createDrawable = driswCreateDrawable;
924 psp->swapBuffers = driswSwapBuffers;
926 if (psc->copySubBuffer)
927 psp->copySubBuffer = driswCopySubBuffer;
933 glx_config_destroy_list(configs);
935 glx_config_destroy_list(visuals);
937 psc->core->destroyScreen(psc->driScreen);
938 psc->driScreen = NULL;
941 dlclose(psc->driver);
942 glx_screen_cleanup(&psc->base);
945 CriticalErrorMessageF("failed to load driver: %s\n", SWRAST_DRIVER_NAME);
950 /* Called from __glXFreeDisplayPrivate.
953 driswDestroyDisplay(__GLXDRIdisplay * dpy)
959 * Allocate, initialize and return a __DRIdisplayPrivate object.
960 * This is called from __glXInitialize() when we are given a new
963 _X_HIDDEN __GLXDRIdisplay *
964 driswCreateDisplay(Display * dpy)
966 struct drisw_display *pdpyp;
968 pdpyp = malloc(sizeof *pdpyp);
972 pdpyp->base.destroyDisplay = driswDestroyDisplay;
973 pdpyp->base.createScreen = driswCreateScreen;
978 #endif /* GLX_DIRECT_RENDERING */