server_window.c revision fbf1d226c85c1519ef3f56090014218865d34258
/* Copyright (c) 2001, Stanford University
* All rights reserved
*
* See the file LICENSE.txt for information on redistributing this software.
*/
#include "server.h"
#include "server_dispatch.h"
#include "cr_mem.h"
#include "cr_rand.h"
#include "cr_string.h"
GLint SERVER_DISPATCH_APIENTRY
crServerDispatchWindowCreate(const char *dpyName, GLint visBits)
{
return crServerDispatchWindowCreateEx(dpyName, visBits, -1);
}
GLint crServerMuralInit(CRMuralInfo *mural, const char *dpyName, GLint visBits, GLint preloadWinID)
{
CRMuralInfo *defaultMural;
GLint dims[2];
GLint windowID = -1;
GLint spuWindow;
VBOXVR_TEXTURE Tex = {0};
int rc = CrVrScrCompositorInit(&mural->Compositor);
if (!RT_SUCCESS(rc))
{
crWarning("CrVrScrCompositorInit failed, rc %d", rc);
return -1;
}
/*
* Have first SPU make a new window.
*/
spuWindow = cr_server.head_spu->dispatch_table.WindowCreate( dpyName, visBits );
if (spuWindow < 0) {
CrVrScrCompositorTerm(&mural->Compositor);
return spuWindow;
}
/* get initial window size */
cr_server.head_spu->dispatch_table.GetChromiumParametervCR(GL_WINDOW_SIZE_CR, spuWindow, GL_INT, 2, dims);
Tex.width = dims[0];
Tex.height = dims[1];
Tex.target = GL_TEXTURE_2D;
Tex.hwid = 0;
CrVrScrCompositorEntryInit(&mural->CEntry, &Tex);
defaultMural = (CRMuralInfo *) crHashtableSearch(cr_server.muralTable, 0);
CRASSERT(defaultMural);
mural->gX = 0;
mural->gY = 0;
mural->width = dims[0];
mural->height = dims[1];
mural->spuWindow = spuWindow;
mural->screenId = 0;
mural->bVisible = GL_FALSE;
mural->fUseFBO = CR_SERVER_REDIR_NONE;
mural->cVisibleRects = 0;
mural->pVisibleRects = NULL;
mural->bReceivedRects = GL_FALSE;
mural->pvOutputRedirectInstance = NULL;
/* generate ID for this new window/mural (special-case for file conns) */
if (cr_server.curClient && cr_server.curClient->conn->type == CR_FILE)
windowID = spuWindow;
else
windowID = preloadWinID<0 ? (GLint)crHashtableAllocKeys( cr_server.muralTable, 1 ) : preloadWinID;
mural->CreateInfo.visualBits = visBits;
mural->CreateInfo.externalID = windowID;
mural->CreateInfo.pszDpyName = dpyName ? crStrdup(dpyName) : NULL;
CR_STATE_SHAREDOBJ_USAGE_INIT(mural);
crServerSetupOutputRedirect(mural);
return windowID;
}
GLint
crServerDispatchWindowCreateEx(const char *dpyName, GLint visBits, GLint preloadWinID)
{
CRMuralInfo *mural;
GLint windowID = -1;
dpyName = "";
if (cr_server.sharedWindows) {
int pos, j;
/* find empty position in my (curclient) windowList */
for (pos = 0; pos < CR_MAX_WINDOWS; pos++) {
if (cr_server.curClient->windowList[pos] == 0) {
break;
}
}
if (pos == CR_MAX_WINDOWS) {
crWarning("Too many windows in crserver!");
return -1;
}
/* Look if any other client has a window for this slot */
for (j = 0; j < cr_server.numClients; j++) {
if (cr_server.clients[j]->windowList[pos] != 0) {
/* use that client's window */
windowID = cr_server.clients[j]->windowList[pos];
cr_server.curClient->windowList[pos] = windowID;
crServerReturnValue( &windowID, sizeof(windowID) ); /* real return value */
crDebug("CRServer: client %p sharing window %d",
cr_server.curClient, windowID);
return windowID;
}
}
}
/*
* Create a new mural for the new window.
*/
mural = (CRMuralInfo *) crCalloc(sizeof(CRMuralInfo));
if (!mural)
{
crWarning("crCalloc failed!");
return -1;
}
windowID = crServerMuralInit(mural, dpyName, visBits, preloadWinID);
if (windowID < 0)
{
crWarning("crServerMuralInit failed!");
crServerReturnValue( &windowID, sizeof(windowID) );
crFree(mural);
return windowID;
}
crHashtableAdd(cr_server.muralTable, windowID, mural);
crDebug("CRServer: client %p created new window %d (SPU window %d)",
cr_server.curClient, windowID, mural->spuWindow);
if (windowID != -1 && !cr_server.bIsInLoadingState) {
int pos;
for (pos = 0; pos < CR_MAX_WINDOWS; pos++) {
if (cr_server.curClient->windowList[pos] == 0) {
cr_server.curClient->windowList[pos] = windowID;
break;
}
}
}
/* ensure we have a dummy mural created right away to avoid potential deadlocks on VM shutdown */
crServerGetDummyMural(mural->CreateInfo.visualBits);
crServerReturnValue( &windowID, sizeof(windowID) );
return windowID;
}
static int crServerRemoveClientWindow(CRClient *pClient, GLint window)
{
int pos;
for (pos = 0; pos < CR_MAX_WINDOWS; ++pos)
{
if (pClient->windowList[pos] == window)
{
pClient->windowList[pos] = 0;
return true;
}
}
return false;
}
void crServerMuralTerm(CRMuralInfo *mural)
{
if (mural->pvOutputRedirectInstance)
{
cr_server.outputRedirect.CROREnd(mural->pvOutputRedirectInstance);
mural->pvOutputRedirectInstance = NULL;
}
crServerRedirMuralFBO(mural, CR_SERVER_REDIR_NONE);
crServerDeleteMuralFBO(mural);
if (cr_server.currentMural == mural)
{
CRMuralInfo *dummyMural = crServerGetDummyMural(cr_server.MainContextInfo.CreateInfo.visualBits);
/* reset the current context to some dummy values to ensure render spu does not switch to a default "0" context,
* which might lead to muralFBO (offscreen rendering) gl entities being created in a scope of that context */
cr_server.head_spu->dispatch_table.MakeCurrent(dummyMural->spuWindow, 0, cr_server.MainContextInfo.SpuContext);
cr_server.currentWindow = -1;
cr_server.currentMural = NULL;
}
else
{
CRASSERT(cr_server.currentWindow != mural->CreateInfo.externalID);
}
cr_server.head_spu->dispatch_table.WindowDestroy( mural->spuWindow );
if (mural->pVisibleRects)
{
crFree(mural->pVisibleRects);
}
if (mural->CreateInfo.pszDpyName)
crFree(mural->CreateInfo.pszDpyName);
}
static void crServerCleanupCtxMuralRefsCB(unsigned long key, void *data1, void *data2)
{
CRContextInfo *ctxInfo = (CRContextInfo *) data1;
CRMuralInfo *mural = (CRMuralInfo *) data2;
if (ctxInfo->currentMural == mural)
ctxInfo->currentMural = NULL;
}
void SERVER_DISPATCH_APIENTRY
crServerDispatchWindowDestroy( GLint window )
{
CRMuralInfo *mural;
int32_t client;
CRClientNode *pNode;
int found=false;
if (!window)
{
crWarning("Unexpected attempt to delete default mural, ignored!");
return;
}
mural = (CRMuralInfo *) crHashtableSearch(cr_server.muralTable, window);
if (!mural) {
crWarning("CRServer: invalid window %d passed to WindowDestroy()", window);
return;
}
crDebug("CRServer: Destroying window %d (spu window %d)", window, mural->spuWindow);
crHashtableWalk(cr_server.contextTable, crServerCleanupCtxMuralRefsCB, mural);
crServerMuralTerm(mural);
CRASSERT(cr_server.currentWindow != window);
if (cr_server.curClient)
{
if (cr_server.curClient->currentMural == mural)
{
cr_server.curClient->currentMural = NULL;
cr_server.curClient->currentWindow = -1;
}
found = crServerRemoveClientWindow(cr_server.curClient, window);
/*Same as with contexts, some apps destroy it not in a thread where it was created*/
if (!found)
{
for (client=0; client<cr_server.numClients; ++client)
{
if (cr_server.clients[client]==cr_server.curClient)
continue;
found = crServerRemoveClientWindow(cr_server.clients[client], window);
if (found) break;
}
}
if (!found)
{
pNode=cr_server.pCleanupClient;
while (pNode && !found)
{
found = crServerRemoveClientWindow(pNode->pClient, window);
pNode = pNode->next;
}
}
CRASSERT(found);
}
/*Make sure this window isn't active in other clients*/
for (client=0; client<cr_server.numClients; ++client)
{
if (cr_server.clients[client]->currentMural == mural)
{
cr_server.clients[client]->currentMural = NULL;
cr_server.clients[client]->currentWindow = -1;
}
}
pNode=cr_server.pCleanupClient;
while (pNode)
{
if (pNode->pClient->currentMural == mural)
{
pNode->pClient->currentMural = NULL;
pNode->pClient->currentWindow = -1;
}
pNode = pNode->next;
}
CrVrScrCompositorTerm(&mural->Compositor);
crHashtableDelete(cr_server.muralTable, window, crFree);
}
void crServerMuralSize(CRMuralInfo *mural, GLint width, GLint height)
{
if (mural->width != width || mural->height != height)
{
RTRECT Rect;
VBOXVR_TEXTURE Tex;
Tex.width = width;
Tex.height = height;
Tex.target = GL_TEXTURE_2D;
Tex.hwid = 0;
if (mural->fUseFBO != CR_SERVER_REDIR_NONE)
{
/* since we're going to change the current compositor & the window we need to avoid
* renderspu fron dealing with inconsistent data, i.e. modified compositor and
* still unmodified window.
* So what we do is:
* 1. tell renderspu to stop using the current compositor -> renderspu would do necessary synchronization with its redraw thread to ensure compositor is no longer used
* 2. do necessary modifications
* 3. (so far not needed for resize, but in case it is in the future) re-set the compositor */
/* 1. tell renderspu to stop using the current compositor (see above comment) */
cr_server.head_spu->dispatch_table.VBoxPresentComposition(mural->spuWindow, NULL, NULL);
}
/* 2. do necessary modifications (see above comment) */
/* NOTE: we can do it even if mural->fUseFBO == CR_SERVER_REDIR_NONE to make sure the compositor data is always up to date */
/* the compositor lock is not needed actually since we have prevented renderspu from using the compositor */
/* CrVrScrCompositorLock(&mural->Compositor); */
CrVrScrCompositorEntryRemove(&mural->Compositor, &mural->CEntry);
CrVrScrCompositorEntryInit(&mural->CEntry, &Tex);
/* initially set regions to all visible since this is what some guest assume
* and will not post any more visible regions command */
Rect.xLeft = 0;
Rect.xRight = width;
Rect.yTop = 0;
Rect.yBottom = height;
CrVrScrCompositorEntryRegionsSet(&mural->Compositor, &mural->CEntry, NULL, 1, &Rect);
/* CrVrScrCompositorUnlock(&mural->Compositor); */
mural->width = width;
mural->height = height;
if (cr_server.curClient && cr_server.curClient->currentMural == mural)
{
crStateGetCurrent()->buffer.width = mural->width;
crStateGetCurrent()->buffer.height = mural->height;
}
crServerCheckMuralGeometry(mural);
cr_server.head_spu->dispatch_table.WindowSize(mural->spuWindow, width, height);
/* 3. (so far not needed for resize, but in case it is in the future) re-set the compositor (see above comment) */
/*
if (mural->fUseFBO != CR_SERVER_REDIR_NONE)
{
cr_server.head_spu->dispatch_table.VBoxPresentComposition(mural->spuWindow, &mural->Compositor, &mural->CEntry);
}
*/
}
}
void SERVER_DISPATCH_APIENTRY
crServerDispatchWindowSize( GLint window, GLint width, GLint height )
{
CRMuralInfo *mural;
/* crDebug("CRServer: Window %d size %d x %d", window, width, height);*/
mural = (CRMuralInfo *) crHashtableSearch(cr_server.muralTable, window);
if (!mural) {
#if EXTRA_WARN
crWarning("CRServer: invalid window %d passed to WindowSize()", window);
#endif
return;
}
crServerMuralSize(mural, width, height);
/* Work-around Intel driver bug */
CRASSERT(!cr_server.curClient
|| !cr_server.curClient->currentMural
|| cr_server.curClient->currentMural == mural);
if (cr_server.curClient && cr_server.curClient->currentMural == mural)
{
CRContextInfo * ctxInfo = cr_server.currentCtxInfo;
CRASSERT(ctxInfo);
crServerDispatchMakeCurrent(window, 0, ctxInfo->CreateInfo.externalID);
}
}
void SERVER_DISPATCH_APIENTRY
crServerDispatchWindowPosition( GLint window, GLint x, GLint y )
{
CRMuralInfo *mural = (CRMuralInfo *) crHashtableSearch(cr_server.muralTable, window);
RTPOINT Pos;
/* crDebug("CRServer: Window %d pos %d, %d", window, x, y);*/
if (!mural) {
#if EXTRA_WARN
crWarning("CRServer: invalid window %d passed to WindowPosition()", window);
#endif
return;
}
// if (mural->gX != x || mural->gY != y)
{
if (mural->fUseFBO != CR_SERVER_REDIR_NONE)
{
/* since we're going to change the current compositor & the window we need to avoid
* renderspu fron dealing with inconsistent data, i.e. modified compositor and
* still unmodified window.
* So what we do is:
* 1. tell renderspu to stop using the current compositor -> renderspu would do necessary synchronization with its redraw thread to ensure compositor is no longer used
* 2. do necessary modifications
* 3. re-set the compositor */
/* 1. tell renderspu to stop using the current compositor (see above comment) */
cr_server.head_spu->dispatch_table.VBoxPresentComposition(mural->spuWindow, NULL, NULL);
}
/* 2. do necessary modifications (see above comment) */
/* NOTE: we can do it even if mural->fUseFBO == CR_SERVER_REDIR_NONE to make sure the compositor data is always up to date */
Pos.x = x;
Pos.y = y;
/* the compositor lock is not needed actually since we have prevented renderspu from using the compositor */
/* CrVrScrCompositorLock(&mural->Compositor); */
CrVrScrCompositorEntryPosSet(&mural->Compositor, &mural->CEntry, &Pos);
/*CrVrScrCompositorUnlock(&mural->Compositor);*/
mural->gX = x;
mural->gY = y;
crServerCheckMuralGeometry(mural);
/* 3. re-set the compositor (see above comment) */
if (mural->fUseFBO != CR_SERVER_REDIR_NONE)
{
cr_server.head_spu->dispatch_table.VBoxPresentComposition(mural->spuWindow, &mural->Compositor, &mural->CEntry);
}
}
}
void SERVER_DISPATCH_APIENTRY
crServerDispatchWindowVisibleRegion( GLint window, GLint cRects, GLint *pRects )
{
CRMuralInfo *mural = (CRMuralInfo *) crHashtableSearch(cr_server.muralTable, window);
if (!mural) {
#if EXTRA_WARN
crWarning("CRServer: invalid window %d passed to WindowVisibleRegion()", window);
#endif
return;
}
if (mural->fUseFBO != CR_SERVER_REDIR_NONE)
{
/* since we're going to change the current compositor & the window we need to avoid
* renderspu fron dealing with inconsistent data, i.e. modified compositor and
* still unmodified window.
* So what we do is:
* 1. tell renderspu to stop using the current compositor -> renderspu would do necessary synchronization with its redraw thread to ensure compositor is no longer used
* 2. do necessary modifications
* 3. re-set the compositor */
/* 1. tell renderspu to stop using the current compositor (see above comment) */
cr_server.head_spu->dispatch_table.VBoxPresentComposition(mural->spuWindow, NULL, NULL);
}
/* 2. do necessary modifications (see above comment) */
/* NOTE: we can do it even if mural->fUseFBO = CR_SERVER_REDIR_NONE to make sure the compositor data is always up to date */
/* the compositor lock is not needed actually since we have prevented renderspu from using the compositor */
/* CrVrScrCompositorLock(&mural->Compositor); */
CrVrScrCompositorEntryRegionsSet(&mural->Compositor, &mural->CEntry, NULL, cRects, (const RTRECT *)pRects);
/*CrVrScrCompositorUnlock(&mural->Compositor);*/
if (mural->pVisibleRects)
{
crFree(mural->pVisibleRects);
mural->pVisibleRects = NULL;
}
mural->cVisibleRects = cRects;
mural->bReceivedRects = GL_TRUE;
if (cRects)
{
mural->pVisibleRects = (GLint*) crAlloc(4*sizeof(GLint)*cRects);
if (!mural->pVisibleRects)
{
crError("Out of memory in crServerDispatchWindowVisibleRegion");
}
crMemcpy(mural->pVisibleRects, pRects, 4*sizeof(GLint)*cRects);
}
cr_server.head_spu->dispatch_table.WindowVisibleRegion(mural->spuWindow, cRects, pRects);
if (mural->pvOutputRedirectInstance)
{
/* @todo the code assumes that RTRECT == four GLInts. */
cr_server.outputRedirect.CRORVisibleRegion(mural->pvOutputRedirectInstance,
cRects, (RTRECT *)pRects);
}
/* 3. re-set the compositor (see above comment) */
if (mural->fUseFBO != CR_SERVER_REDIR_NONE)
{
cr_server.head_spu->dispatch_table.VBoxPresentComposition(mural->spuWindow, &mural->Compositor, &mural->CEntry);
}
}
void SERVER_DISPATCH_APIENTRY
crServerDispatchWindowShow( GLint window, GLint state )
{
CRMuralInfo *mural = (CRMuralInfo *) crHashtableSearch(cr_server.muralTable, window);
if (!mural) {
#if EXTRA_WARN
crWarning("CRServer: invalid window %d passed to WindowShow()", window);
#endif
return;
}
if (mural->fUseFBO != CR_SERVER_REDIR_FBO_RAM)
{
cr_server.head_spu->dispatch_table.WindowShow(mural->spuWindow, state);
}
mural->bVisible = state;
}
GLint
crServerSPUWindowID(GLint serverWindow)
{
CRMuralInfo *mural = (CRMuralInfo *) crHashtableSearch(cr_server.muralTable, serverWindow);
if (!mural) {
#if EXTRA_WARN
crWarning("CRServer: invalid window %d passed to crServerSPUWindowID()",
serverWindow);
#endif
return -1;
}
return mural->spuWindow;
}