2 * Copyright © 2008 Red Hat, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Soft-
6 * ware"), to deal in the Software without restriction, including without
7 * limitation the rights to use, copy, modify, merge, publish, distribute,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, provided that the above copyright
10 * notice(s) and this permission notice appear in all copies of the Soft-
11 * ware and that both the above copyright notice(s) and this permission
12 * notice appear in supporting documentation.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
16 * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
17 * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
18 * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
19 * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
22 * MANCE OF THIS SOFTWARE.
24 * Except as contained in this notice, the name of a copyright holder shall
25 * not be used in advertising or otherwise to promote the sale, use or
26 * other dealings in this Software without prior written authorization of
27 * the copyright holder.
30 * Kristian Høgsberg (krh@redhat.com)
33 #if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
36 #include <X11/extensions/Xfixes.h>
38 #include "glxclient.h"
39 #include <X11/extensions/dri2proto.h>
44 #include <sys/types.h>
49 #include "dri_common.h"
51 /* From xmlpool/options.h, user exposed so should be stable */
52 #define DRI_CONF_VBLANK_NEVER 0
53 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
54 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
55 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
65 ** XFree86-DRI version information
71 int invalidateAvailable;
73 __glxHashTable *dri2Hash;
75 const __DRIextension *loader_extensions[4];
79 struct glx_screen base;
81 __DRIscreen *driScreen;
82 __GLXDRIscreen vtable;
83 const __DRIdri2Extension *dri2;
84 const __DRIcoreExtension *core;
86 const __DRI2flushExtension *f;
87 const __DRI2configQueryExtension *config;
88 const __DRItexBufferExtension *texBuffer;
89 const __DRI2throttleExtension *throttle;
90 const __DRIconfig **driver_configs;
100 struct glx_context base;
101 __DRIcontext *driContext;
106 __GLXDRIdrawable base;
107 __DRIdrawable *driDrawable;
108 __DRIbuffer buffers[5];
115 double previous_time;
119 static const struct glx_context_vtable dri2_context_vtable;
122 dri2_destroy_context(struct glx_context *context)
124 struct dri2_context *pcp = (struct dri2_context *) context;
125 struct dri2_screen *psc = (struct dri2_screen *) context->psc;
127 driReleaseDrawables(&pcp->base);
129 if (context->extensions)
130 XFree((char *) context->extensions);
132 (*psc->core->destroyContext) (pcp->driContext);
138 dri2_bind_context(struct glx_context *context, struct glx_context *old,
139 GLXDrawable draw, GLXDrawable read)
141 struct dri2_context *pcp = (struct dri2_context *) context;
142 struct dri2_screen *psc = (struct dri2_screen *) pcp->base.psc;
143 struct dri2_drawable *pdraw, *pread;
144 struct dri2_display *pdp;
146 pdraw = (struct dri2_drawable *) driFetchDrawable(context, draw);
147 pread = (struct dri2_drawable *) driFetchDrawable(context, read);
149 driReleaseDrawables(&pcp->base);
151 if (pdraw == NULL || pread == NULL)
152 return GLXBadDrawable;
154 if (!(*psc->core->bindContext) (pcp->driContext,
155 pdraw->driDrawable, pread->driDrawable))
156 return GLXBadContext;
158 /* If the server doesn't send invalidate events, we may miss a
159 * resize before the rendering starts. Invalidate the buffers now
160 * so the driver will recheck before rendering starts. */
161 pdp = (struct dri2_display *) psc->base.display;
162 if (!pdp->invalidateAvailable) {
163 dri2InvalidateBuffers(psc->base.dpy, pdraw->base.xDrawable);
165 dri2InvalidateBuffers(psc->base.dpy, pread->base.xDrawable);
172 dri2_unbind_context(struct glx_context *context, struct glx_context *new)
174 struct dri2_context *pcp = (struct dri2_context *) context;
175 struct dri2_screen *psc = (struct dri2_screen *) pcp->base.psc;
177 (*psc->core->unbindContext) (pcp->driContext);
180 static struct glx_context *
181 dri2_create_context(struct glx_screen *base,
182 struct glx_config *config_base,
183 struct glx_context *shareList, int renderType)
185 struct dri2_context *pcp, *pcp_shared;
186 struct dri2_screen *psc = (struct dri2_screen *) base;
187 __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
188 __DRIcontext *shared = NULL;
191 /* If the shareList context is not a DRI2 context, we cannot possibly
192 * create a DRI2 context that shares it.
194 if (shareList->vtable->destroy != dri2_destroy_context) {
198 pcp_shared = (struct dri2_context *) shareList;
199 shared = pcp_shared->driContext;
202 pcp = Xmalloc(sizeof *pcp);
206 memset(pcp, 0, sizeof *pcp);
207 if (!glx_context_init(&pcp->base, &psc->base, &config->base)) {
213 (*psc->dri2->createNewContext) (psc->driScreen,
214 config->driConfig, shared, pcp);
216 if (pcp->driContext == NULL) {
221 pcp->base.vtable = &dri2_context_vtable;
226 static struct glx_context *
227 dri2_create_context_attribs(struct glx_screen *base,
228 struct glx_config *config_base,
229 struct glx_context *shareList,
230 unsigned num_attribs,
231 const uint32_t *attribs,
234 struct dri2_context *pcp = NULL;
235 struct dri2_context *pcp_shared = NULL;
236 struct dri2_screen *psc = (struct dri2_screen *) base;
237 __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
238 __DRIcontext *shared = NULL;
240 uint32_t minor_ver = 1;
241 uint32_t major_ver = 2;
245 uint32_t ctx_attribs[2 * 5];
246 unsigned num_ctx_attribs = 0;
248 if (psc->dri2->base.version < 3) {
249 *error = __DRI_CTX_ERROR_NO_MEMORY;
253 /* Remap the GLX tokens to DRI2 tokens.
255 if (!dri2_convert_glx_attribs(num_attribs, attribs,
256 &major_ver, &minor_ver, &flags, &api, &reset,
261 pcp_shared = (struct dri2_context *) shareList;
262 shared = pcp_shared->driContext;
265 pcp = Xmalloc(sizeof *pcp);
267 *error = __DRI_CTX_ERROR_NO_MEMORY;
271 memset(pcp, 0, sizeof *pcp);
272 if (!glx_context_init(&pcp->base, &psc->base, &config->base))
275 ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
276 ctx_attribs[num_ctx_attribs++] = major_ver;
277 ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
278 ctx_attribs[num_ctx_attribs++] = minor_ver;
280 /* Only send a value when the non-default value is requested. By doing
281 * this we don't have to check the driver's DRI2 version before sending the
284 if (reset != __DRI_CTX_RESET_NO_NOTIFICATION) {
285 ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
286 ctx_attribs[num_ctx_attribs++] = reset;
290 ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
292 /* The current __DRI_CTX_FLAG_* values are identical to the
293 * GLX_CONTEXT_*_BIT values.
295 ctx_attribs[num_ctx_attribs++] = flags;
299 (*psc->dri2->createContextAttribs) (psc->driScreen,
308 if (pcp->driContext == NULL)
311 pcp->base.vtable = &dri2_context_vtable;
323 dri2DestroyDrawable(__GLXDRIdrawable *base)
325 struct dri2_screen *psc = (struct dri2_screen *) base->psc;
326 struct dri2_drawable *pdraw = (struct dri2_drawable *) base;
327 struct glx_display *dpyPriv = psc->base.display;
328 struct dri2_display *pdp = (struct dri2_display *)dpyPriv->dri2Display;
330 __glxHashDelete(pdp->dri2Hash, pdraw->base.xDrawable);
331 (*psc->core->destroyDrawable) (pdraw->driDrawable);
333 /* If it's a GLX 1.3 drawables, we can destroy the DRI2 drawable
334 * now, as the application explicitly asked to destroy the GLX
335 * drawable. Otherwise, for legacy drawables, we let the DRI2
336 * drawable linger on the server, since there's no good way of
337 * knowing when the application is done with it. The server will
338 * destroy the DRI2 drawable when it destroys the X drawable or the
339 * client exits anyway. */
340 if (pdraw->base.xDrawable != pdraw->base.drawable)
341 DRI2DestroyDrawable(psc->base.dpy, pdraw->base.xDrawable);
346 static __GLXDRIdrawable *
347 dri2CreateDrawable(struct glx_screen *base, XID xDrawable,
348 GLXDrawable drawable, struct glx_config *config_base)
350 struct dri2_drawable *pdraw;
351 struct dri2_screen *psc = (struct dri2_screen *) base;
352 __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
353 struct glx_display *dpyPriv;
354 struct dri2_display *pdp;
355 GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
357 pdraw = Xmalloc(sizeof(*pdraw));
361 memset(pdraw, 0, sizeof *pdraw);
362 pdraw->base.destroyDrawable = dri2DestroyDrawable;
363 pdraw->base.xDrawable = xDrawable;
364 pdraw->base.drawable = drawable;
365 pdraw->base.psc = &psc->base;
366 pdraw->bufferCount = 0;
367 pdraw->swap_interval = 1; /* default may be overridden below */
368 pdraw->have_back = 0;
371 psc->config->configQueryi(psc->driScreen,
372 "vblank_mode", &vblank_mode);
374 switch (vblank_mode) {
375 case DRI_CONF_VBLANK_NEVER:
376 case DRI_CONF_VBLANK_DEF_INTERVAL_0:
377 pdraw->swap_interval = 0;
379 case DRI_CONF_VBLANK_DEF_INTERVAL_1:
380 case DRI_CONF_VBLANK_ALWAYS_SYNC:
382 pdraw->swap_interval = 1;
386 DRI2CreateDrawable(psc->base.dpy, xDrawable);
388 dpyPriv = __glXInitialize(psc->base.dpy);
389 pdp = (struct dri2_display *)dpyPriv->dri2Display;;
390 /* Create a new drawable */
392 (*psc->dri2->createNewDrawable) (psc->driScreen,
393 config->driConfig, pdraw);
395 if (!pdraw->driDrawable) {
396 DRI2DestroyDrawable(psc->base.dpy, xDrawable);
401 if (__glxHashInsert(pdp->dri2Hash, xDrawable, pdraw)) {
402 (*psc->core->destroyDrawable) (pdraw->driDrawable);
403 DRI2DestroyDrawable(psc->base.dpy, xDrawable);
409 #ifdef X_DRI2SwapInterval
411 * Make sure server has the same swap interval we do for the new
414 if (pdp->swapAvailable)
415 DRI2SwapInterval(psc->base.dpy, xDrawable, pdraw->swap_interval);
424 dri2DrawableGetMSC(struct glx_screen *psc, __GLXDRIdrawable *pdraw,
425 int64_t *ust, int64_t *msc, int64_t *sbc)
427 CARD64 dri2_ust, dri2_msc, dri2_sbc;
430 ret = DRI2GetMSC(psc->dpy, pdraw->xDrawable,
431 &dri2_ust, &dri2_msc, &dri2_sbc);
445 dri2WaitForMSC(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
446 int64_t remainder, int64_t *ust, int64_t *msc, int64_t *sbc)
448 CARD64 dri2_ust, dri2_msc, dri2_sbc;
451 ret = DRI2WaitMSC(pdraw->psc->dpy, pdraw->xDrawable, target_msc, divisor,
452 remainder, &dri2_ust, &dri2_msc, &dri2_sbc);
461 dri2WaitForSBC(__GLXDRIdrawable *pdraw, int64_t target_sbc, int64_t *ust,
462 int64_t *msc, int64_t *sbc)
464 CARD64 dri2_ust, dri2_msc, dri2_sbc;
467 ret = DRI2WaitSBC(pdraw->psc->dpy, pdraw->xDrawable,
468 target_sbc, &dri2_ust, &dri2_msc, &dri2_sbc);
476 #endif /* X_DRI2WaitMSC */
479 * dri2Throttle - Request driver throttling
481 * This function uses the DRI2 throttle extension to give the
482 * driver the opportunity to throttle on flush front, copysubbuffer
486 dri2Throttle(struct dri2_screen *psc,
487 struct dri2_drawable *draw,
488 enum __DRI2throttleReason reason)
491 struct glx_context *gc = __glXGetCurrentContext();
492 struct dri2_context *dri2Ctx = (struct dri2_context *)gc;
494 (dri2Ctx) ? dri2Ctx->driContext : NULL;
496 psc->throttle->throttle(ctx, draw->driDrawable, reason);
501 __dri2CopySubBuffer(__GLXDRIdrawable *pdraw, int x, int y,
502 int width, int height,
503 enum __DRI2throttleReason reason)
505 struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
506 struct dri2_screen *psc = (struct dri2_screen *) pdraw->psc;
508 XserverRegion region;
510 /* Check we have the right attachments */
511 if (!priv->have_back)
515 xrect.y = priv->height - y - height;
517 xrect.height = height;
521 (*psc->f->flush) (priv->driDrawable);
524 dri2Throttle(psc, priv, reason);
526 region = XFixesCreateRegion(psc->base.dpy, &xrect, 1);
527 DRI2CopyRegion(psc->base.dpy, pdraw->xDrawable, region,
528 DRI2BufferFrontLeft, DRI2BufferBackLeft);
530 /* Refresh the fake front (if present) after we just damaged the real
533 if (priv->have_fake_front)
534 DRI2CopyRegion(psc->base.dpy, pdraw->xDrawable, region,
535 DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
537 XFixesDestroyRegion(psc->base.dpy, region);
541 dri2CopySubBuffer(__GLXDRIdrawable *pdraw, int x, int y,
542 int width, int height)
544 __dri2CopySubBuffer(pdraw, x, y, width, height,
545 __DRI2_THROTTLE_COPYSUBBUFFER);
550 dri2_copy_drawable(struct dri2_drawable *priv, int dest, int src)
553 XserverRegion region;
554 struct dri2_screen *psc = (struct dri2_screen *) priv->base.psc;
558 xrect.width = priv->width;
559 xrect.height = priv->height;
563 (*psc->f->flush) (priv->driDrawable);
566 region = XFixesCreateRegion(psc->base.dpy, &xrect, 1);
567 DRI2CopyRegion(psc->base.dpy, priv->base.xDrawable, region, dest, src);
568 XFixesDestroyRegion(psc->base.dpy, region);
573 dri2_wait_x(struct glx_context *gc)
575 struct dri2_drawable *priv = (struct dri2_drawable *)
576 GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable);
578 if (priv == NULL || !priv->have_fake_front)
581 dri2_copy_drawable(priv, DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
585 dri2_wait_gl(struct glx_context *gc)
587 struct dri2_drawable *priv = (struct dri2_drawable *)
588 GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable);
590 if (priv == NULL || !priv->have_fake_front)
593 dri2_copy_drawable(priv, DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
597 dri2FlushFrontBuffer(__DRIdrawable *driDrawable, void *loaderPrivate)
599 struct glx_display *priv;
600 struct dri2_display *pdp;
601 struct glx_context *gc;
602 struct dri2_drawable *pdraw = loaderPrivate;
603 struct dri2_screen *psc;
608 if (!pdraw->base.psc)
611 psc = (struct dri2_screen *) pdraw->base.psc;
613 priv = __glXInitialize(psc->base.dpy);
614 pdp = (struct dri2_display *) priv->dri2Display;
615 gc = __glXGetCurrentContext();
617 dri2Throttle(psc, pdraw, __DRI2_THROTTLE_FLUSHFRONT);
619 /* Old servers don't send invalidate events */
620 if (!pdp->invalidateAvailable)
621 dri2InvalidateBuffers(priv->dpy, pdraw->base.xDrawable);
628 dri2DestroyScreen(struct glx_screen *base)
630 struct dri2_screen *psc = (struct dri2_screen *) base;
632 /* Free the direct rendering per screen data */
633 (*psc->core->destroyScreen) (psc->driScreen);
634 driDestroyConfigs(psc->driver_configs);
640 * Process list of buffer received from the server
642 * Processes the list of buffers received in a reply from the server to either
643 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
646 process_buffers(struct dri2_drawable * pdraw, DRI2Buffer * buffers,
651 pdraw->bufferCount = count;
652 pdraw->have_fake_front = 0;
653 pdraw->have_back = 0;
655 /* This assumes the DRI2 buffer attachment tokens matches the
656 * __DRIbuffer tokens. */
657 for (i = 0; i < count; i++) {
658 pdraw->buffers[i].attachment = buffers[i].attachment;
659 pdraw->buffers[i].name = buffers[i].name;
660 pdraw->buffers[i].pitch = buffers[i].pitch;
661 pdraw->buffers[i].cpp = buffers[i].cpp;
662 pdraw->buffers[i].flags = buffers[i].flags;
663 if (pdraw->buffers[i].attachment == __DRI_BUFFER_FAKE_FRONT_LEFT)
664 pdraw->have_fake_front = 1;
665 if (pdraw->buffers[i].attachment == __DRI_BUFFER_BACK_LEFT)
666 pdraw->have_back = 1;
671 unsigned dri2GetSwapEventType(Display* dpy, XID drawable)
673 struct glx_display *glx_dpy = __glXInitialize(dpy);
674 __GLXDRIdrawable *pdraw;
675 pdraw = dri2GetGlxDrawableFromXDrawableId(dpy, drawable);
676 if (!pdraw || !(pdraw->eventMask & GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK))
678 return glx_dpy->codes->first_event + GLX_BufferSwapComplete;
681 static void show_fps(struct dri2_drawable *draw)
686 gettimeofday(&tv, 0);
687 current_time = (double)tv.tv_sec + (double)tv.tv_usec * 0.000001;
691 if (draw->previous_time + 1 < current_time) {
692 if (draw->previous_time) {
693 fprintf(stderr, "libGL: FPS = %.1f\n",
694 draw->frames / (current_time - draw->previous_time));
697 draw->previous_time = current_time;
702 dri2SwapBuffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
705 struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
706 struct glx_display *dpyPriv = __glXInitialize(priv->base.psc->dpy);
707 struct dri2_screen *psc = (struct dri2_screen *) priv->base.psc;
708 struct dri2_display *pdp =
709 (struct dri2_display *)dpyPriv->dri2Display;
712 /* Check we have the right attachments */
713 if (!priv->have_back)
716 /* Old servers can't handle swapbuffers */
717 if (!pdp->swapAvailable) {
718 __dri2CopySubBuffer(pdraw, 0, 0, priv->width, priv->height,
719 __DRI2_THROTTLE_SWAPBUFFER);
721 #ifdef X_DRI2SwapBuffers
724 struct glx_context *gc = __glXGetCurrentContext();
727 (*psc->f->flush)(priv->driDrawable);
732 dri2Throttle(psc, priv, __DRI2_THROTTLE_SWAPBUFFER);
734 DRI2SwapBuffers(psc->base.dpy, pdraw->xDrawable,
735 target_msc, divisor, remainder, &ret);
743 /* Old servers don't send invalidate events */
744 if (!pdp->invalidateAvailable)
745 dri2InvalidateBuffers(dpyPriv->dpy, pdraw->xDrawable);
751 dri2GetBuffers(__DRIdrawable * driDrawable,
752 int *width, int *height,
753 unsigned int *attachments, int count,
754 int *out_count, void *loaderPrivate)
756 struct dri2_drawable *pdraw = loaderPrivate;
759 buffers = DRI2GetBuffers(pdraw->base.psc->dpy, pdraw->base.xDrawable,
760 width, height, attachments, count, out_count);
764 pdraw->width = *width;
765 pdraw->height = *height;
766 process_buffers(pdraw, buffers, *out_count);
770 return pdraw->buffers;
774 dri2GetBuffersWithFormat(__DRIdrawable * driDrawable,
775 int *width, int *height,
776 unsigned int *attachments, int count,
777 int *out_count, void *loaderPrivate)
779 struct dri2_drawable *pdraw = loaderPrivate;
782 buffers = DRI2GetBuffersWithFormat(pdraw->base.psc->dpy,
783 pdraw->base.xDrawable,
784 width, height, attachments,
789 pdraw->width = *width;
790 pdraw->height = *height;
791 process_buffers(pdraw, buffers, *out_count);
795 return pdraw->buffers;
798 #ifdef X_DRI2SwapInterval
801 dri2SetSwapInterval(__GLXDRIdrawable *pdraw, int interval)
803 struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
804 GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
805 struct dri2_screen *psc = (struct dri2_screen *) priv->base.psc;
808 psc->config->configQueryi(psc->driScreen,
809 "vblank_mode", &vblank_mode);
811 switch (vblank_mode) {
812 case DRI_CONF_VBLANK_NEVER:
813 return GLX_BAD_VALUE;
814 case DRI_CONF_VBLANK_ALWAYS_SYNC:
816 return GLX_BAD_VALUE;
822 DRI2SwapInterval(priv->base.psc->dpy, priv->base.xDrawable, interval);
823 priv->swap_interval = interval;
829 dri2GetSwapInterval(__GLXDRIdrawable *pdraw)
831 struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
833 return priv->swap_interval;
836 #endif /* X_DRI2SwapInterval */
838 static const __DRIdri2LoaderExtension dri2LoaderExtension = {
839 {__DRI_DRI2_LOADER, __DRI_DRI2_LOADER_VERSION},
841 dri2FlushFrontBuffer,
842 dri2GetBuffersWithFormat,
845 static const __DRIdri2LoaderExtension dri2LoaderExtension_old = {
846 {__DRI_DRI2_LOADER, __DRI_DRI2_LOADER_VERSION},
848 dri2FlushFrontBuffer,
852 #ifdef __DRI_USE_INVALIDATE
853 static const __DRIuseInvalidateExtension dri2UseInvalidate = {
854 { __DRI_USE_INVALIDATE, __DRI_USE_INVALIDATE_VERSION }
859 dri2InvalidateBuffers(Display *dpy, XID drawable)
861 __GLXDRIdrawable *pdraw =
862 dri2GetGlxDrawableFromXDrawableId(dpy, drawable);
863 struct dri2_screen *psc;
864 struct dri2_drawable *pdp = (struct dri2_drawable *) pdraw;
869 psc = (struct dri2_screen *) pdraw->psc;
871 #if __DRI2_FLUSH_VERSION >= 3
872 if (pdraw && psc->f && psc->f->base.version >= 3 && psc->f->invalidate)
873 psc->f->invalidate(pdp->driDrawable);
878 dri2_bind_tex_image(Display * dpy,
879 GLXDrawable drawable,
880 int buffer, const int *attrib_list)
882 struct glx_context *gc = __glXGetCurrentContext();
883 struct dri2_context *pcp = (struct dri2_context *) gc;
884 __GLXDRIdrawable *base = GetGLXDRIDrawable(dpy, drawable);
885 struct glx_display *dpyPriv = __glXInitialize(dpy);
886 struct dri2_drawable *pdraw = (struct dri2_drawable *) base;
887 struct dri2_display *pdp =
888 (struct dri2_display *) dpyPriv->dri2Display;
889 struct dri2_screen *psc;
892 psc = (struct dri2_screen *) base->psc;
894 #if __DRI2_FLUSH_VERSION >= 3
895 if (!pdp->invalidateAvailable && psc->f &&
896 psc->f->base.version >= 3 && psc->f->invalidate)
897 psc->f->invalidate(pdraw->driDrawable);
900 if (psc->texBuffer->base.version >= 2 &&
901 psc->texBuffer->setTexBuffer2 != NULL) {
902 (*psc->texBuffer->setTexBuffer2) (pcp->driContext,
903 pdraw->base.textureTarget,
904 pdraw->base.textureFormat,
908 (*psc->texBuffer->setTexBuffer) (pcp->driContext,
909 pdraw->base.textureTarget,
916 dri2_release_tex_image(Display * dpy, GLXDrawable drawable, int buffer)
918 #if __DRI_TEX_BUFFER_VERSION >= 3
919 struct glx_context *gc = __glXGetCurrentContext();
920 struct dri2_context *pcp = (struct dri2_context *) gc;
921 __GLXDRIdrawable *base = GetGLXDRIDrawable(dpy, drawable);
922 struct glx_display *dpyPriv = __glXInitialize(dpy);
923 struct dri2_drawable *pdraw = (struct dri2_drawable *) base;
924 struct dri2_display *pdp =
925 (struct dri2_display *) dpyPriv->dri2Display;
926 struct dri2_screen *psc;
929 psc = (struct dri2_screen *) base->psc;
931 if (psc->texBuffer->base.version >= 3 &&
932 psc->texBuffer->releaseTexBuffer != NULL) {
933 (*psc->texBuffer->releaseTexBuffer) (pcp->driContext,
934 pdraw->base.textureTarget,
941 static const struct glx_context_vtable dri2_context_vtable = {
942 dri2_destroy_context,
949 dri2_release_tex_image,
950 NULL, /* get_proc_address */
954 dri2BindExtensions(struct dri2_screen *psc, const __DRIextension **extensions)
958 __glXEnableDirectExtension(&psc->base, "GLX_SGI_video_sync");
959 __glXEnableDirectExtension(&psc->base, "GLX_SGI_swap_control");
960 __glXEnableDirectExtension(&psc->base, "GLX_MESA_swap_control");
961 __glXEnableDirectExtension(&psc->base, "GLX_SGI_make_current_read");
963 /* FIXME: if DRI2 version supports it... */
964 __glXEnableDirectExtension(&psc->base, "INTEL_swap_event");
966 if (psc->dri2->base.version >= 3) {
967 const unsigned mask = psc->dri2->getAPIMask(psc->driScreen);
969 __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context");
970 __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context_profile");
972 if ((mask & (1 << __DRI_API_GLES2)) != 0)
973 __glXEnableDirectExtension(&psc->base,
974 "GLX_EXT_create_context_es2_profile");
977 for (i = 0; extensions[i]; i++) {
978 if ((strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0)) {
979 psc->texBuffer = (__DRItexBufferExtension *) extensions[i];
980 __glXEnableDirectExtension(&psc->base, "GLX_EXT_texture_from_pixmap");
983 if ((strcmp(extensions[i]->name, __DRI2_FLUSH) == 0)) {
984 psc->f = (__DRI2flushExtension *) extensions[i];
985 /* internal driver extension, no GL extension exposed */
988 if ((strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0))
989 psc->config = (__DRI2configQueryExtension *) extensions[i];
991 if (((strcmp(extensions[i]->name, __DRI2_THROTTLE) == 0)))
992 psc->throttle = (__DRI2throttleExtension *) extensions[i];
994 /* DRI2 version 3 is also required because
995 * GLX_ARB_create_context_robustness requires GLX_ARB_create_context.
997 if (psc->dri2->base.version >= 3
998 && strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0)
999 __glXEnableDirectExtension(&psc->base,
1000 "GLX_ARB_create_context_robustness");
1004 static const struct glx_screen_vtable dri2_screen_vtable = {
1005 dri2_create_context,
1006 dri2_create_context_attribs
1009 static struct glx_screen *
1010 dri2CreateScreen(int screen, struct glx_display * priv)
1012 const __DRIconfig **driver_configs;
1013 const __DRIextension **extensions;
1014 const struct dri2_display *const pdp = (struct dri2_display *)
1016 struct dri2_screen *psc;
1017 __GLXDRIscreen *psp;
1018 struct glx_config *configs = NULL, *visuals = NULL;
1019 char *driverName, *deviceName, *tmp;
1023 psc = Xmalloc(sizeof *psc);
1027 memset(psc, 0, sizeof *psc);
1030 if (!glx_screen_init(&psc->base, screen, priv)) {
1035 if (!DRI2Connect(priv->dpy, RootWindow(priv->dpy, screen),
1036 &driverName, &deviceName)) {
1037 glx_screen_cleanup(&psc->base);
1039 InfoMessageF("screen %d does not appear to be DRI2 capable\n", screen);
1043 psc->driver = driOpenDriver(driverName);
1044 if (psc->driver == NULL) {
1045 ErrorMessageF("driver pointer missing\n");
1049 extensions = dlsym(psc->driver, __DRI_DRIVER_EXTENSIONS);
1050 if (extensions == NULL) {
1051 ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
1055 for (i = 0; extensions[i]; i++) {
1056 if (strcmp(extensions[i]->name, __DRI_CORE) == 0)
1057 psc->core = (__DRIcoreExtension *) extensions[i];
1058 if (strcmp(extensions[i]->name, __DRI_DRI2) == 0)
1059 psc->dri2 = (__DRIdri2Extension *) extensions[i];
1062 if (psc->core == NULL || psc->dri2 == NULL) {
1063 ErrorMessageF("core dri or dri2 extension not found\n");
1068 psc->fd = open(deviceName, O_RDWR | O_CLOEXEC);
1069 if (psc->fd == -1 && errno == EINVAL)
1072 psc->fd = open(deviceName, O_RDWR);
1074 fcntl(psc->fd, F_SETFD, fcntl(psc->fd, F_GETFD) | FD_CLOEXEC);
1077 ErrorMessageF("failed to open drm device: %s\n", strerror(errno));
1081 if (drmGetMagic(psc->fd, &magic)) {
1082 ErrorMessageF("failed to get magic\n");
1086 if (!DRI2Authenticate(priv->dpy, RootWindow(priv->dpy, screen), magic)) {
1087 ErrorMessageF("failed to authenticate magic %d\n", magic);
1092 /* If the server does not support the protocol for
1093 * DRI2GetBuffersWithFormat, don't supply that interface to the driver.
1096 psc->dri2->createNewScreen(screen, psc->fd,
1097 (const __DRIextension **)
1098 &pdp->loader_extensions[0],
1099 &driver_configs, psc);
1101 if (psc->driScreen == NULL) {
1102 ErrorMessageF("failed to create dri screen\n");
1106 extensions = psc->core->getExtensions(psc->driScreen);
1107 dri2BindExtensions(psc, extensions);
1109 configs = driConvertConfigs(psc->core, psc->base.configs, driver_configs);
1110 visuals = driConvertConfigs(psc->core, psc->base.visuals, driver_configs);
1112 if (!configs || !visuals)
1115 glx_config_destroy_list(psc->base.configs);
1116 psc->base.configs = configs;
1117 glx_config_destroy_list(psc->base.visuals);
1118 psc->base.visuals = visuals;
1120 psc->driver_configs = driver_configs;
1122 psc->base.vtable = &dri2_screen_vtable;
1124 psc->base.driScreen = psp;
1125 psp->destroyScreen = dri2DestroyScreen;
1126 psp->createDrawable = dri2CreateDrawable;
1127 psp->swapBuffers = dri2SwapBuffers;
1128 psp->getDrawableMSC = NULL;
1129 psp->waitForMSC = NULL;
1130 psp->waitForSBC = NULL;
1131 psp->setSwapInterval = NULL;
1132 psp->getSwapInterval = NULL;
1134 if (pdp->driMinor >= 2) {
1136 psp->getDrawableMSC = dri2DrawableGetMSC;
1138 #ifdef X_DRI2WaitMSC
1139 psp->waitForMSC = dri2WaitForMSC;
1140 psp->waitForSBC = dri2WaitForSBC;
1142 #ifdef X_DRI2SwapInterval
1143 psp->setSwapInterval = dri2SetSwapInterval;
1144 psp->getSwapInterval = dri2GetSwapInterval;
1146 #if defined(X_DRI2GetMSC) && defined(X_DRI2WaitMSC) && defined(X_DRI2SwapInterval)
1147 __glXEnableDirectExtension(&psc->base, "GLX_OML_sync_control");
1151 /* DRI2 suports SubBuffer through DRI2CopyRegion, so it's always
1153 psp->copySubBuffer = dri2CopySubBuffer;
1154 __glXEnableDirectExtension(&psc->base, "GLX_MESA_copy_sub_buffer");
1159 tmp = getenv("LIBGL_SHOW_FPS");
1160 psc->show_fps = tmp && strcmp(tmp, "1") == 0;
1165 CriticalErrorMessageF("failed to load driver: %s\n", driverName);
1168 glx_config_destroy_list(configs);
1170 glx_config_destroy_list(visuals);
1172 psc->core->destroyScreen(psc->driScreen);
1173 psc->driScreen = NULL;
1177 dlclose(psc->driver);
1181 glx_screen_cleanup(&psc->base);
1187 /* Called from __glXFreeDisplayPrivate.
1190 dri2DestroyDisplay(__GLXDRIdisplay * dpy)
1192 struct dri2_display *pdp = (struct dri2_display *) dpy;
1194 __glxHashDestroy(pdp->dri2Hash);
1198 _X_HIDDEN __GLXDRIdrawable *
1199 dri2GetGlxDrawableFromXDrawableId(Display *dpy, XID id)
1201 struct glx_display *d = __glXInitialize(dpy);
1202 struct dri2_display *pdp = (struct dri2_display *) d->dri2Display;
1203 __GLXDRIdrawable *pdraw;
1205 if (__glxHashLookup(pdp->dri2Hash, id, (void *) &pdraw) == 0)
1212 * Allocate, initialize and return a __DRIdisplayPrivate object.
1213 * This is called from __glXInitialize() when we are given a new
1216 _X_HIDDEN __GLXDRIdisplay *
1217 dri2CreateDisplay(Display * dpy)
1219 struct dri2_display *pdp;
1220 int eventBase, errorBase, i;
1222 if (!DRI2QueryExtension(dpy, &eventBase, &errorBase))
1225 pdp = Xmalloc(sizeof *pdp);
1229 if (!DRI2QueryVersion(dpy, &pdp->driMajor, &pdp->driMinor)) {
1235 pdp->swapAvailable = (pdp->driMinor >= 2);
1236 pdp->invalidateAvailable = (pdp->driMinor >= 3);
1238 pdp->base.destroyDisplay = dri2DestroyDisplay;
1239 pdp->base.createScreen = dri2CreateScreen;
1242 if (pdp->driMinor < 1)
1243 pdp->loader_extensions[i++] = &dri2LoaderExtension_old.base;
1245 pdp->loader_extensions[i++] = &dri2LoaderExtension.base;
1247 pdp->loader_extensions[i++] = &systemTimeExtension.base;
1249 #ifdef __DRI_USE_INVALIDATE
1250 pdp->loader_extensions[i++] = &dri2UseInvalidate.base;
1252 pdp->loader_extensions[i++] = NULL;
1254 pdp->dri2Hash = __glxHashCreate();
1255 if (pdp->dri2Hash == NULL) {
1263 #endif /* GLX_DIRECT_RENDERING */