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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
commitb16b9e4656e7199c2aec74a4c8ebc7a875d3ba73 (patch)
tree4361edef0d42d5bf5ac984ef72b4fac35426eae7 /nx-X11/programs/Xserver/hw/dmx/glxProxy/glxswap.c
parent0d5a83e986f39982c0924652a3662e60b1f23162 (diff)
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massive reduction of unneeded files
Diffstat (limited to 'nx-X11/programs/Xserver/hw/dmx/glxProxy/glxswap.c')
-rw-r--r--nx-X11/programs/Xserver/hw/dmx/glxProxy/glxswap.c539
1 files changed, 0 insertions, 539 deletions
diff --git a/nx-X11/programs/Xserver/hw/dmx/glxProxy/glxswap.c b/nx-X11/programs/Xserver/hw/dmx/glxProxy/glxswap.c
deleted file mode 100644
index f7fcc37ac..000000000
--- a/nx-X11/programs/Xserver/hw/dmx/glxProxy/glxswap.c
+++ /dev/null
@@ -1,539 +0,0 @@
-/* $XFree86$ */
-/*
- * Copyright 2003 Red Hat Inc., Raleigh, North Carolina.
- *
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation on the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-/*
- * Authors:
- * Kevin E. Martin <kem@redhat.com>
- *
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxwindow.h"
-#include "glxserver.h"
-#include "glxswap.h"
-
-extern int __glXDoSwapBuffers(__GLXclientState *cl, XID drawId,
- GLXContextTag tag);
-
-typedef struct _SwapGroup *SwapGroupPtr;
-
-static Bool SwapBarrierIsReadyToSwap(GLuint barrier);
-static void SwapSwapBarrier(GLuint barrier);
-static void UpdateSwapBarrierList(GLuint barrier,
- SwapGroupPtr pOldSwap,
- SwapGroupPtr pNewSwap);
-
-
-/************************************************************************
- *
- * Swap Groups
- *
- ************************************************************************/
-
-typedef struct _SwapGroup {
- WindowPtr pWin;
- SwapGroupPtr pNext;
-
- Bool swapping;
- Bool sleeping;
- GLuint barrier;
-
- XID drawable;
- GLXContextTag tag;
- __GLXclientState *clState;
-} SwapGroupRec;
-
-
-static void SwapSwapGroup(SwapGroupPtr pSwap)
-{
- SwapGroupPtr pCur;
-
- /* All drawables in swap group are ready to swap, so just swap all
- * drawables buffers and then wake up those clients that were
- * previously sleeping */
-
- for (pCur = pSwap; pCur; pCur = pCur->pNext) {
- if (pCur->swapping) {
- /* Swap pCur's buffers */
- __glXDoSwapBuffers(pCur->clState, pCur->drawable, pCur->tag);
- pCur->swapping = FALSE;
- }
-
- /* Wakeup client */
- if (pCur->sleeping) {
- ClientWakeup(pCur->clState->client);
- pCur->sleeping = FALSE;
- }
- }
-}
-
-static Bool SwapGroupIsReadyToSwap(SwapGroupPtr pSwap)
-{
- Bool isReady = TRUE;
-
- /* The swap group is ready to swap when all drawables are ready to
- * swap. NOTE: A drawable is also ready to swap if it is not
- * currently mapped */
- for (; pSwap; pSwap = pSwap->pNext) {
- isReady &= (pSwap->swapping || !pSwap->pWin->mapped);
- /* FIXME: Should we use pSwap->pWin->mapped or ...->realized ??? */
- }
-
- return isReady;
-}
-
-static Bool SGSwapCleanup(ClientPtr client, pointer closure)
-{
- /* SwapGroupPtr pSwap = (SwapGroupPtr)closure; */
-
- /* This should not be called unless the client has died in which
- * case we should remove the buffer from the swap list */
-
- return TRUE;
-}
-
-int SGSwapBuffers(__GLXclientState *cl, XID drawId, GLXContextTag tag,
- DrawablePtr pDraw)
-{
- WindowPtr pWin = (WindowPtr)pDraw;
- dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWin);
- SwapGroupPtr pSwap = pWinPriv->swapGroup;
- SwapGroupPtr pCur;
-
- for (pCur = pSwap; pCur && pCur->pWin != pWin; pCur = pCur->pNext);
- if (!pCur)
- return BadDrawable;
-
- pCur->clState = cl;
- pCur->drawable = drawId;
- pCur->tag = tag;
-
- /* We are now in the process of swapping */
- pCur->swapping = TRUE;
-
- if (pSwap->barrier && SwapBarrierIsReadyToSwap(pSwap->barrier)) {
- /* The swap group is bound to a barrier and the barrier is ready
- * to swap, so swap all the swap groups that are bound to this
- * group's swap barrier */
- SwapSwapBarrier(pSwap->barrier);
- } else if (!pSwap->barrier && SwapGroupIsReadyToSwap(pSwap)) {
- /* Do the swap if the entire swap group is ready to swap and the
- * group is not bound to a swap barrier */
- SwapSwapGroup(pSwap);
- } else {
- /* The swap group/barrier is not yet ready to swap, so put
- * client to sleep until the rest are ready to swap */
- ClientSleep(cl->client, SGSwapCleanup, (pointer)pWin);
- pCur->sleeping = TRUE;
- }
-
- return Success;
-}
-
-static void SGWindowUnmapped(WindowPtr pWin)
-{
- dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWin);
- SwapGroupPtr pSwap = pWinPriv->swapGroup;
-
- /* Now that one of the windows in the swap group has been unmapped,
- * see if the entire swap group/barrier is ready to swap */
-
- if (pSwap->barrier && SwapBarrierIsReadyToSwap(pSwap->barrier)) {
- SwapSwapBarrier(pSwap->barrier);
- } else if (!pSwap->barrier && SwapGroupIsReadyToSwap(pSwap)) {
- SwapSwapGroup(pSwap);
- }
-}
-
-static void SGWindowDestroyed(WindowPtr pWin)
-{
- JoinSwapGroupSGIX((DrawablePtr)pWin, NULL);
-}
-
-static SwapGroupPtr CreateSwapEntry(WindowPtr pWin)
-{
- SwapGroupPtr pEntry;
-
- /* Allocate new swap group */
- pEntry = xalloc(sizeof(*pEntry));
- if (!pEntry) return NULL;
-
- /* Initialize swap group */
- pEntry->pWin = pWin;
- pEntry->pNext = NULL;
- pEntry->swapping = FALSE;
- pEntry->sleeping = FALSE;
- pEntry->barrier = 0;
- /* The following are not initialized until SwapBuffers is called:
- * pEntry->drawable
- * pEntry->tag
- * pEntry->clState
- */
-
- return pEntry;
-}
-
-static void FreeSwapEntry(SwapGroupPtr pEntry)
-{
- /* Since we have removed the drawable from its previous swap group
- * and it won't be added to another swap group, the only thing that
- * we need to do is to make sure that the drawable's client is not
- * sleeping. This could happen if one thread is sleeping, while
- * another thread called glxJoinSwapGroup(). Note that all sleeping
- * threads should also be swapping, but there is a small window in
- * the SGSwapBuffer() logic, above, where swapping can be set but
- * sleeping is not. We check both independently here just to be
- * pedantic. */
-
- /* Handle swap buffer request */
- if (pEntry->swapping)
- __glXDoSwapBuffers(pEntry->clState, pEntry->drawable, pEntry->tag);
-
- /* Wake up client */
- if (pEntry->sleeping)
- ClientWakeup(pEntry->clState->client);
-
- /* We can free the pEntry entry since it has already been removed
- * from the swap group list and it won't be needed any longer */
- xfree(pEntry);
-}
-
-int JoinSwapGroupSGIX(DrawablePtr pDraw, DrawablePtr pMember)
-{
- if (pDraw->type == DRAWABLE_WINDOW) {
- WindowPtr pWin = (WindowPtr)pDraw;
- dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWin);
- SwapGroupPtr pOldSwap = NULL;
- SwapGroupPtr pEntry;
-
- /* If pDraw and pMember are already members of the same swap
- * group, just return Success since there is nothing to do */
- for (pEntry = pWinPriv->swapGroup; pEntry; pEntry = pEntry->pNext)
- if (pEntry->pWin == (WindowPtr)pMember)
- return Success;
-
- /* Remove pDraw from its current swap group */
- if (pWinPriv->swapGroup) {
- SwapGroupPtr pSwapGroup = pWinPriv->swapGroup;
- SwapGroupPtr pPrev;
-
- /* Find old swap entry in swap group and save in pOldSwap
- * for later use */
- for (pOldSwap = pWinPriv->swapGroup, pPrev = NULL;
- pOldSwap && pOldSwap->pWin != pWin;
- pPrev = pOldSwap, pOldSwap = pOldSwap->pNext);
- if (!pOldSwap)
- return BadDrawable;
-
- /* Remove pDraw's swap group entry from swap group list */
- if (pPrev) {
- pPrev->pNext = pOldSwap->pNext;
- } else {
- /* pWin is at the head of the swap group list, so we
- * need to update all other members of this swap
- * group */
- for (pEntry = pOldSwap->pNext; pEntry; pEntry = pEntry->pNext)
- DMX_GET_WINDOW_PRIV(pEntry->pWin)->swapGroup
- = pOldSwap->pNext;
-
- /* Update the barrier list as well */
- if (pOldSwap->barrier)
- UpdateSwapBarrierList(pOldSwap->barrier,
- pOldSwap, pOldSwap->pNext);
-
- /* Set pSwapGroup to point to the swap group without
- * pOldSwap */
- pSwapGroup = pOldSwap->pNext;
- }
-
- /* Check to see if current swap group can now swap since we
- * know at this point that pDraw and pMember are guaranteed
- * to previously be in different swap groups */
- if (pSwapGroup && SwapGroupIsReadyToSwap(pSwapGroup)) {
- SwapSwapGroup(pSwapGroup);
- }
-
- /* Make the old swap entry a standalone group */
- pOldSwap->pNext = NULL;
- pOldSwap->barrier = 0;
-
- /* Reset pWin's swap group */
- pWinPriv->swapGroup = NULL;
- pWinPriv->windowDestroyed = NULL;
- pWinPriv->windowUnmapped = NULL;
- }
-
- if (!pMember || pMember->type != DRAWABLE_WINDOW) {
- /* Free old swap group since it is no longer needed */
- if (pOldSwap) FreeSwapEntry(pOldSwap);
- } else if (pDraw == pMember && pOldSwap) {
- /* Special case where pDraw was previously created and we
- * are now just putting it to its own swap group */
- pWinPriv->swapGroup = pOldSwap;
- pWinPriv->windowDestroyed = SGWindowDestroyed;
- pWinPriv->windowUnmapped = SGWindowUnmapped;
-
- /* Check to see if pDraw is ready to swap */
- if (SwapGroupIsReadyToSwap(pOldSwap))
- SwapSwapGroup(pOldSwap);
- } else if (pMember->type == DRAWABLE_WINDOW) {
- WindowPtr pMemberWin = (WindowPtr)pMember;
- dmxWinPrivPtr pMemberPriv = DMX_GET_WINDOW_PRIV(pMemberWin);
- SwapGroupPtr pMemberSwapGroup = pMemberPriv->swapGroup;
-
- /* Finally, how we can add pDraw to pMember's swap group */
-
- /* If pMember is not currently in a swap group, then create
- * one for it since we are just about to add pDraw to it. */
- if (!pMemberSwapGroup) {
- /* Create new swap group */
- pMemberSwapGroup = CreateSwapEntry(pMemberWin);
- if (!pMemberSwapGroup) {
- if (pOldSwap) FreeSwapEntry(pOldSwap);
- return BadAlloc;
- }
-
- /* Set pMember's swap group */
- pMemberPriv->swapGroup = pMemberSwapGroup;
- pMemberPriv->windowDestroyed = SGWindowDestroyed;
- pMemberPriv->windowUnmapped = SGWindowUnmapped;
- }
-
- /* If pDraw == pMember, that means pDraw was not a member of
- * a group previously (or it would have been handled by the
- * special case above), so no additional work is required
- * since we just created a new swap group for pMember (i.e.,
- * pDraw). */
-
- if (pDraw != pMember) {
- /* If pDraw was not previously in a swap group, then create
- * an entry for it */
- if (!pOldSwap) {
- /* Create new swap group */
- pOldSwap = CreateSwapEntry(pWin);
- if (!pOldSwap) {
- /* If we just created a swap group for pMember, we
- * need to free it here */
- if (pMemberSwapGroup->pNext == NULL) {
- FreeSwapEntry(pMemberSwapGroup);
- pMemberPriv->swapGroup = NULL;
- }
- return BadAlloc;
- }
- }
-
- /* Find last entry in pMember's swap group */
- for (pEntry = pMemberSwapGroup;
- pEntry->pNext;
- pEntry = pEntry->pNext);
-
- /* Add pDraw's swap group entry to pMember's swap group list */
- pEntry->pNext = pOldSwap;
-
- /* Add pDraw to pMember's swap barrier */
- pOldSwap->barrier = pEntry->barrier;
-
- /* Set pDraw's swap group */
- pWinPriv->swapGroup = pMemberSwapGroup;
- pWinPriv->windowDestroyed = SGWindowDestroyed;
- pWinPriv->windowUnmapped = SGWindowUnmapped;
- }
- }
- }
-
- return Success;
-}
-
-
-/************************************************************************
- *
- * Swap Barriers
- *
- ************************************************************************/
-
-#define GLX_MAX_SWAP_BARRIERS 10
-
-typedef struct _SwapBarrier *SwapBarrierPtr;
-typedef struct _SwapBarrier {
- SwapGroupPtr pSwap;
- SwapBarrierPtr pNext;
-} SwapBarrierRec;
-
-static SwapBarrierPtr SwapBarrierList[GLX_MAX_SWAP_BARRIERS+1];
-
-void SwapBarrierInit(void)
-{
- int i;
-
- for (i = 0; i <= GLX_MAX_SWAP_BARRIERS; i++)
- SwapBarrierList[i] = NULL;
-}
-
-void SwapBarrierReset(void)
-{
- int i;
-
- for (i = 0; i <= GLX_MAX_SWAP_BARRIERS; i++) {
- SwapBarrierPtr pBarrier, pNextBarrier;;
- for (pBarrier = SwapBarrierList[i];
- pBarrier;
- pBarrier = pNextBarrier) {
- pNextBarrier = pBarrier->pNext;
- xfree(pBarrier);
- }
- SwapBarrierList[i] = NULL;
- }
-}
-
-int QueryMaxSwapBarriersSGIX(int screen)
-{
- return GLX_MAX_SWAP_BARRIERS;
-}
-
-static Bool BindSwapGroupToBarrier(GLuint barrier, SwapGroupPtr pSwapGroup)
-{
- SwapBarrierPtr pBarrier;
-
- pBarrier = xalloc(sizeof(*pBarrier));
- if (!pBarrier) return FALSE;
-
- /* Add the swap group to barrier's list */
- pBarrier->pSwap = pSwapGroup;
- pBarrier->pNext = SwapBarrierList[barrier];
- SwapBarrierList[barrier] = pBarrier;
-
- return TRUE;
-}
-
-static Bool UnbindSwapGroupFromBarrier(GLuint barrier, SwapGroupPtr pSwapGroup)
-{
- SwapBarrierPtr pBarrier, pPrevBarrier;
-
- /* Find the swap group in barrier's list */
- for (pBarrier = SwapBarrierList[barrier], pPrevBarrier = NULL;
- pBarrier && pBarrier->pSwap != pSwapGroup;
- pPrevBarrier = pBarrier, pBarrier = pBarrier->pNext);
- if (!pBarrier) return FALSE;
-
- /* Remove the swap group from barrier's list */
- if (pPrevBarrier) pPrevBarrier->pNext = pBarrier->pNext;
- else SwapBarrierList[barrier] = pBarrier->pNext;
-
- /* Free memory */
- xfree(pBarrier);
-
- return TRUE;
-}
-
-static void UpdateSwapBarrierList(GLuint barrier,
- SwapGroupPtr pOldSwap,
- SwapGroupPtr pNewSwap)
-{
- SwapBarrierPtr pBarrier;
-
- /* If the old swap group is being destroyed, then we need to remove
- * the swap group from the list entirely */
- if (!pNewSwap) {
- UnbindSwapGroupFromBarrier(barrier, pOldSwap);
- return;
- }
-
- /* Otherwise, find the old swap group in the barrier list and change
- * it to the new swap group */
- for (pBarrier = SwapBarrierList[barrier];
- pBarrier;
- pBarrier = pBarrier->pNext) {
- if (pBarrier->pSwap == pOldSwap) {
- pBarrier->pSwap = pNewSwap;
- return;
- }
- }
-}
-
-static Bool SwapBarrierIsReadyToSwap(GLuint barrier)
-{
- SwapBarrierPtr pBarrier;
- Bool isReady = TRUE;
-
- /* The swap barier is ready to swap when swap groups that are bound
- * to barrier are ready to swap */
- for (pBarrier = SwapBarrierList[barrier];
- pBarrier;
- pBarrier = pBarrier->pNext)
- isReady &= SwapGroupIsReadyToSwap(pBarrier->pSwap);
-
- return isReady;
-}
-
-static void SwapSwapBarrier(GLuint barrier)
-{
- SwapBarrierPtr pBarrier;
-
- /* Swap each group that is a member of this barrier */
- for (pBarrier = SwapBarrierList[barrier];
- pBarrier;
- pBarrier = pBarrier->pNext)
- SwapSwapGroup(pBarrier->pSwap);
-}
-
-int BindSwapBarrierSGIX(DrawablePtr pDraw, int barrier)
-{
- /* FIXME: Check for errors when pDraw->type != DRAWABLE_WINDOW */
-
- if (barrier < 0 || barrier > GLX_MAX_SWAP_BARRIERS)
- return BadValue;
-
- if (pDraw->type == DRAWABLE_WINDOW) {
- WindowPtr pWin = (WindowPtr)pDraw;
- dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWin);
- SwapGroupPtr pSwapGroup = pWinPriv->swapGroup;
- SwapGroupPtr pCur;
-
- if (!pSwapGroup) return BadDrawable;
- if (barrier && pSwapGroup->barrier) return BadValue;
-
- /* Update the swap barrier list */
- if (barrier) {
- if (!BindSwapGroupToBarrier(barrier, pSwapGroup))
- return BadAlloc;
- } else {
- if (!UnbindSwapGroupFromBarrier(pSwapGroup->barrier, pSwapGroup))
- return BadDrawable;
- }
-
- /* Set the barrier for each member of this swap group */
- for (pCur = pSwapGroup; pCur; pCur = pCur->pNext)
- pCur->barrier = barrier;
- }
-
- return Success;
-}