summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/common/dri_util.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/common/dri_util.c')
-rw-r--r--src/mesa/drivers/dri/common/dri_util.c254
1 files changed, 33 insertions, 221 deletions
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
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-03 04:07:09 +0000