From f56b569e9af356c11869ee49a4669bb01b75397e Mon Sep 17 00:00:00 2001 From: Kristian Høgsberg Date: Wed, 13 Aug 2008 11:46:25 -0400 Subject: DRI2: Drop sarea, implement swap buffers in the X server. --- src/mesa/drivers/dri/common/dri_util.c | 254 +++++---------------------------- 1 file changed, 33 insertions(+), 221 deletions(-) (limited to 'src/mesa/drivers/dri/common/dri_util.c') diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c index 93b9f458e4..ce540624a5 100644 --- a/src/mesa/drivers/dri/common/dri_util.c +++ b/src/mesa/drivers/dri/common/dri_util.c @@ -152,7 +152,6 @@ static int driUnbindContext(__DRIcontext *pcp) return GL_TRUE; } - /** * This function takes both a read buffer and a draw buffer. This is needed * for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent @@ -186,10 +185,7 @@ static int driBindContext(__DRIcontext *pcp, ** initialize the drawable information if has not been done before. */ - if (psp->dri2.enabled) { - __driParseEvents(pcp, pdp); - __driParseEvents(pcp, prp); - } else { + if (!psp->dri2.enabled) { if (!pdp->pStamp || *pdp->pStamp != pdp->lastStamp) { DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); __driUtilUpdateDrawableInfo(pdp); @@ -279,139 +275,6 @@ __driUtilUpdateDrawableInfo(__DRIdrawablePrivate *pdp) DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID); } - -int -__driParseEvents(__DRIcontextPrivate *pcp, __DRIdrawablePrivate *pdp) -{ - __DRIscreenPrivate *psp = pdp->driScreenPriv; - __DRIDrawableConfigEvent *dc, *last_dc; - __DRIBufferAttachEvent *ba, *last_ba; - unsigned int tail, mask, *p, end, total, size, changed; - unsigned char *data; - size_t rect_size; - - /* Check for wraparound. */ - if (pcp && psp->dri2.buffer->prealloc - pdp->dri2.tail > psp->dri2.buffer->size) { - /* If prealloc overlaps into what we just parsed, the - * server overwrote it and we have to reset our tail - * pointer. */ - DRM_UNLOCK(psp->fd, psp->lock, pcp->hHWContext); - (*psp->dri2.loader->reemitDrawableInfo)(pdp, &pdp->dri2.tail, - pdp->loaderPrivate); - DRM_LIGHT_LOCK(psp->fd, psp->lock, pcp->hHWContext); - } - - total = psp->dri2.buffer->head - pdp->dri2.tail; - mask = psp->dri2.buffer->size - 1; - end = psp->dri2.buffer->head; - data = psp->dri2.buffer->data; - - changed = 0; - last_dc = NULL; - last_ba = NULL; - - for (tail = pdp->dri2.tail; tail != end; tail += size) { - p = (unsigned int *) (data + (tail & mask)); - size = DRI2_EVENT_SIZE(*p); - if (size > total || (tail & mask) + size > psp->dri2.buffer->size) { - /* illegal data, bail out. */ - fprintf(stderr, "illegal event size\n"); - break; - } - - switch (DRI2_EVENT_TYPE(*p)) { - case DRI2_EVENT_DRAWABLE_CONFIG: - dc = (__DRIDrawableConfigEvent *) p; - if (dc->drawable == pdp->dri2.drawable_id) - last_dc = dc; - break; - - case DRI2_EVENT_BUFFER_ATTACH: - ba = (__DRIBufferAttachEvent *) p; - if (ba->drawable == pdp->dri2.drawable_id && - ba->buffer.attachment == DRI_DRAWABLE_BUFFER_FRONT_LEFT) - last_ba = ba; - break; - } - } - - if (last_dc) { - if (pdp->w != last_dc->width || pdp->h != last_dc->height) - changed = 1; - - pdp->x = last_dc->x; - pdp->y = last_dc->y; - pdp->w = last_dc->width; - pdp->h = last_dc->height; - - pdp->backX = 0; - pdp->backY = 0; - pdp->numBackClipRects = 1; - pdp->pBackClipRects[0].x1 = 0; - pdp->pBackClipRects[0].y1 = 0; - pdp->pBackClipRects[0].x2 = pdp->w; - pdp->pBackClipRects[0].y2 = pdp->h; - - pdp->numClipRects = last_dc->num_rects; - _mesa_free(pdp->pClipRects); - rect_size = last_dc->num_rects * sizeof last_dc->rects[0]; - pdp->pClipRects = _mesa_malloc(rect_size); - memcpy(pdp->pClipRects, last_dc->rects, rect_size); - } - - /* We only care about the most recent drawable config. */ - if (last_dc && changed) - (*psp->DriverAPI.HandleDrawableConfig)(pdp, pcp, last_dc); - - /* Front buffer attachments are special, they typically mean that - * we're rendering to a redirected window (or a child window of a - * redirected window) and that it got resized. Resizing the root - * window on randr events is a special case of this. Other causes - * may be a window transitioning between redirected and - * non-redirected, or a window getting reparented between parents - * with different window pixmaps (eg two redirected windows). - * These events are special in that the X server allocates the - * buffer and that the buffer may be shared by other child - * windows. When our window share the window pixmap with its - * parent, drawable config events doesn't affect the front buffer. - * We only care about the last such event in the buffer; in fact, - * older events will refer to invalid buffer objects.*/ - if (last_ba) - (*psp->DriverAPI.HandleBufferAttach)(pdp, pcp, last_ba); - - /* If there was a drawable config event in the buffer and it - * changed the size of the window, all buffer auxillary buffer - * attachments prior to that are invalid (as opposed to the front - * buffer case discussed above). In that case we can start - * looking for buffer attachment after the last drawable config - * event. If there is no drawable config event in this batch of - * events, we have to assume that the last batch might have had - * one and process all buffer attach events.*/ - if (last_dc && changed) - tail = (unsigned char *) last_dc - data; - else - tail = pdp->dri2.tail; - - for ( ; tail != end; tail += size) { - ba = (__DRIBufferAttachEvent *) (data + (tail & mask)); - size = DRI2_EVENT_SIZE(ba->event_header); - - if (DRI2_EVENT_TYPE(ba->event_header) != DRI2_EVENT_BUFFER_ATTACH) - continue; - if (ba->drawable != pdp->dri2.drawable_id) - continue; - if (last_ba == ba) - continue; - - (*psp->DriverAPI.HandleBufferAttach)(pdp, pcp, ba); - changed = 1; - } - - pdp->dri2.tail = tail; - - return changed || last_ba; -} - /*@}*/ /*****************************************************************/ @@ -425,12 +288,7 @@ static void driReportDamage(__DRIdrawable *pdp, __DRIscreen *psp = pdp->driScreenPriv; /* Check that we actually have the new damage report method */ - if (psp->dri2.enabled) { - (*psp->dri2.loader->postDamage)(pdp, - pClipRects, - numClipRects, - pdp->loaderPrivate); - } else if (psp->damage) { + if (psp->damage) { /* Report the damage. Currently, all our drivers draw * directly to the front buffer, so we report the damage there * rather than to the backing storein (if any). @@ -460,9 +318,6 @@ static void driSwapBuffers(__DRIdrawable *dPriv) if (!dPriv->numClipRects) return; - if (psp->dri2.enabled) - __driParseEvents(NULL, dPriv); - psp->DriverAPI.SwapBuffers(dPriv); driReportDamage(dPriv, dPriv->pClipRects, dPriv->numClipRects); @@ -602,17 +457,17 @@ driCreateNewDrawable(__DRIscreen *psp, const __DRIconfig *config, static __DRIdrawable * -dri2CreateNewDrawable(__DRIscreen *screen, const __DRIconfig *config, - unsigned int drawable_id, unsigned int head, void *data) +dri2CreateNewDrawable(__DRIscreen *screen, + const __DRIconfig *config, + void *loaderPrivate) { __DRIdrawable *pdraw; - pdraw = driCreateNewDrawable(screen, config, 0, 0, NULL, data); + pdraw = driCreateNewDrawable(screen, config, 0, 0, NULL, loaderPrivate); if (!pdraw) return NULL; - pdraw->dri2.drawable_id = drawable_id; - pdraw->dri2.tail = head; + pdraw->pClipRects = _mesa_malloc(sizeof *pdraw->pBackClipRects); pdraw->pBackClipRects = _mesa_malloc(sizeof *pdraw->pBackClipRects); return pdraw; @@ -723,18 +578,7 @@ static __DRIcontext * dri2CreateNewContext(__DRIscreen *screen, const __DRIconfig *config, __DRIcontext *shared, void *data) { - drm_context_t hwContext; - DRM_CAS_RESULT(ret); - - /* DRI2 doesn't use kernel with context IDs, we just need an ID that's - * different from the kernel context ID to make drmLock() happy. */ - - do { - hwContext = screen->dri2.lock->next_id; - DRM_CAS(&screen->dri2.lock->next_id, hwContext, hwContext + 1, ret); - } while (ret); - - return driCreateNewContext(screen, config, 0, shared, hwContext, data); + return driCreateNewContext(screen, config, 0, shared, 0, data); } @@ -770,12 +614,7 @@ static void driDestroyScreen(__DRIscreen *psp) if (psp->DriverAPI.DestroyScreen) (*psp->DriverAPI.DestroyScreen)(psp); - if (psp->dri2.enabled) { -#ifdef TTM_API - drmBOUnmap(psp->fd, &psp->dri2.sareaBO); - drmBOUnreference(psp->fd, &psp->dri2.sareaBO); -#endif - } else { + if (!psp->dri2.enabled) { (void)drmUnmap((drmAddress)psp->pSAREA, SAREA_MAX); (void)drmUnmap((drmAddress)psp->pFB, psp->fbSize); (void)drmCloseOnce(psp->fd); @@ -798,8 +637,8 @@ setupLoaderExtensions(__DRIscreen *psp, psp->damage = (__DRIdamageExtension *) extensions[i]; if (strcmp(extensions[i]->name, __DRI_SYSTEM_TIME) == 0) psp->systemTime = (__DRIsystemTimeExtension *) extensions[i]; - if (strcmp(extensions[i]->name, __DRI_LOADER) == 0) - psp->dri2.loader = (__DRIloaderExtension *) extensions[i]; + if (strcmp(extensions[i]->name, __DRI_DRI2_LOADER) == 0) + psp->dri2.loader = (__DRIdri2LoaderExtension *) extensions[i]; } } @@ -895,19 +734,16 @@ driCreateNewScreen(int scrn, return psp; } - /** * DRI2 */ static __DRIscreen * -dri2CreateNewScreen(int scrn, int fd, unsigned int sarea_handle, +dri2CreateNewScreen(int scrn, int fd, const __DRIextension **extensions, const __DRIconfig ***driver_configs, void *data) { -#ifdef TTM_API static const __DRIextension *emptyExtensionList[] = { NULL }; __DRIscreen *psp; - unsigned int *p; drmVersionPtr version; if (driDriverAPI.InitScreen2 == NULL) @@ -932,39 +768,9 @@ dri2CreateNewScreen(int scrn, int fd, unsigned int sarea_handle, psp->myNum = scrn; psp->dri2.enabled = GL_TRUE; - if (drmBOReference(psp->fd, sarea_handle, &psp->dri2.sareaBO)) { - fprintf(stderr, "Failed to reference DRI2 sarea BO\n"); - _mesa_free(psp); - return NULL; - } - - if (drmBOMap(psp->fd, &psp->dri2.sareaBO, - DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, &psp->dri2.sarea)) { - drmBOUnreference(psp->fd, &psp->dri2.sareaBO); - _mesa_free(psp); - return NULL; - } - - p = psp->dri2.sarea; - while (DRI2_SAREA_BLOCK_TYPE(*p)) { - switch (DRI2_SAREA_BLOCK_TYPE(*p)) { - case DRI2_SAREA_BLOCK_LOCK: - psp->dri2.lock = (__DRILock *) p; - break; - case DRI2_SAREA_BLOCK_EVENT_BUFFER: - psp->dri2.buffer = (__DRIEventBuffer *) p; - break; - } - p = DRI2_SAREA_BLOCK_NEXT(p); - } - - psp->lock = (drmLock *) &psp->dri2.lock->lock; - psp->DriverAPI = driDriverAPI; *driver_configs = driDriverAPI.InitScreen2(psp); if (*driver_configs == NULL) { - drmBOUnmap(psp->fd, &psp->dri2.sareaBO); - drmBOUnreference(psp->fd, &psp->dri2.sareaBO); _mesa_free(psp); return NULL; } @@ -972,9 +778,6 @@ dri2CreateNewScreen(int scrn, int fd, unsigned int sarea_handle, psp->DriverAPI = driDriverAPI; return psp; -#else - return NULL; -#endif } static const __DRIextension **driGetExtensions(__DRIscreen *psp) @@ -982,36 +785,45 @@ static const __DRIextension **driGetExtensions(__DRIscreen *psp) return psp->extensions; } -/** Legacy DRI interface */ -const __DRIlegacyExtension driLegacyExtension = { - { __DRI_LEGACY, __DRI_LEGACY_VERSION }, - driCreateNewScreen, - driCreateNewDrawable, - driCreateNewContext -}; - -/** DRI2 interface */ +/** Core interface */ const __DRIcoreExtension driCoreExtension = { { __DRI_CORE, __DRI_CORE_VERSION }, - dri2CreateNewScreen, + NULL, driDestroyScreen, driGetExtensions, driGetConfigAttrib, driIndexConfigAttrib, - dri2CreateNewDrawable, + NULL, driDestroyDrawable, driSwapBuffers, - dri2CreateNewContext, + NULL, driCopyContext, driDestroyContext, driBindContext, driUnbindContext }; +/** Legacy DRI interface */ +const __DRIlegacyExtension driLegacyExtension = { + { __DRI_LEGACY, __DRI_LEGACY_VERSION }, + driCreateNewScreen, + driCreateNewDrawable, + driCreateNewContext, +}; + +/** Legacy DRI interface */ +const __DRIdri2Extension driDRI2Extension = { + { __DRI_DRI2, __DRI_DRI2_VERSION }, + dri2CreateNewScreen, + dri2CreateNewDrawable, + dri2CreateNewContext, +}; + /* This is the table of extensions that the loader will dlsym() for. */ PUBLIC const __DRIextension *__driDriverExtensions[] = { &driCoreExtension.base, &driLegacyExtension.base, + &driDRI2Extension.base, NULL }; -- cgit v1.2.3