diff options
Diffstat (limited to 'dbe')
-rw-r--r-- | dbe/dbe.c | 838 | ||||
-rw-r--r-- | dbe/dbestruct.h | 117 | ||||
-rw-r--r-- | dbe/midbe.c | 524 | ||||
-rw-r--r-- | dbe/midbe.h | 14 | ||||
-rw-r--r-- | dbe/midbestr.h | 14 |
5 files changed, 659 insertions, 848 deletions
@@ -30,7 +30,6 @@ * *****************************************************************************/ - /* INCLUDES */ #ifdef HAVE_DIX_CONFIG_H @@ -57,11 +56,11 @@ DevPrivateKeyRec dbeScreenPrivKeyRec; DevPrivateKeyRec dbeWindowPrivKeyRec; /* These are globals for use by DDX */ -RESTYPE dbeDrawableResType; -RESTYPE dbeWindowPrivResType; +RESTYPE dbeDrawableResType; +RESTYPE dbeWindowPrivResType; /* Used to generate DBE's BadBuffer error. */ -static int dbeErrorBase; +static int dbeErrorBase; /****************************************************************************** * @@ -87,19 +86,17 @@ DbeStubScreen(DbeScreenPrivPtr pDbeScreenPriv, int *nStubbedScreens) */ /* Stub DDX. */ - pDbeScreenPriv->GetVisualInfo = NULL; + pDbeScreenPriv->GetVisualInfo = NULL; pDbeScreenPriv->AllocBackBufferName = NULL; - pDbeScreenPriv->SwapBuffers = NULL; - pDbeScreenPriv->BeginIdiom = NULL; - pDbeScreenPriv->EndIdiom = NULL; - pDbeScreenPriv->WinPrivDelete = NULL; - pDbeScreenPriv->ResetProc = NULL; + pDbeScreenPriv->SwapBuffers = NULL; + pDbeScreenPriv->BeginIdiom = NULL; + pDbeScreenPriv->EndIdiom = NULL; + pDbeScreenPriv->WinPrivDelete = NULL; + pDbeScreenPriv->ResetProc = NULL; (*nStubbedScreens)++; -} /* DbeStubScreen() */ - - +} /* DbeStubScreen() */ /****************************************************************************** * @@ -121,27 +118,25 @@ static int ProcDbeGetVersion(ClientPtr client) { /* REQUEST(xDbeGetVersionReq); */ - xDbeGetVersionReply rep; + xDbeGetVersionReply rep; REQUEST_SIZE_MATCH(xDbeGetVersionReq); - rep.type = X_Reply; - rep.length = 0; + rep.type = X_Reply; + rep.length = 0; rep.sequenceNumber = client->sequence; - rep.majorVersion = DBE_MAJOR_VERSION; - rep.minorVersion = DBE_MINOR_VERSION; + rep.majorVersion = DBE_MAJOR_VERSION; + rep.minorVersion = DBE_MINOR_VERSION; - if (client->swapped) - { + if (client->swapped) { swaps(&rep.sequenceNumber); } - WriteToClient(client, sizeof(xDbeGetVersionReply), (char *)&rep); + WriteToClient(client, sizeof(xDbeGetVersionReply), (char *) &rep); return Success; -} /* ProcDbeGetVersion() */ - +} /* ProcDbeGetVersion() */ /****************************************************************************** * @@ -170,38 +165,34 @@ static int ProcDbeAllocateBackBufferName(ClientPtr client) { REQUEST(xDbeAllocateBackBufferNameReq); - WindowPtr pWin; - DbeScreenPrivPtr pDbeScreenPriv; - DbeWindowPrivPtr pDbeWindowPriv; - XdbeScreenVisualInfo scrVisInfo; - register int i; - Bool visualMatched = FALSE; - xDbeSwapAction swapAction; - VisualID visual; - int status; - int add_index; - + WindowPtr pWin; + DbeScreenPrivPtr pDbeScreenPriv; + DbeWindowPrivPtr pDbeWindowPriv; + XdbeScreenVisualInfo scrVisInfo; + register int i; + Bool visualMatched = FALSE; + xDbeSwapAction swapAction; + VisualID visual; + int status; + int add_index; REQUEST_SIZE_MATCH(xDbeAllocateBackBufferNameReq); /* The window must be valid. */ status = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess); if (status != Success) - return status; + return status; /* The window must be InputOutput. */ - if (pWin->drawable.class != InputOutput) - { - return BadMatch; + if (pWin->drawable.class != InputOutput) { + return BadMatch; } /* The swap action must be valid. */ - swapAction = stuff->swapAction; /* use local var for performance. */ - if ((swapAction != XdbeUndefined ) && + swapAction = stuff->swapAction; /* use local var for performance. */ + if ((swapAction != XdbeUndefined) && (swapAction != XdbeBackground) && - (swapAction != XdbeUntouched ) && - (swapAction != XdbeCopied )) - { + (swapAction != XdbeUntouched) && (swapAction != XdbeCopied)) { return BadValue; } @@ -213,115 +204,105 @@ ProcDbeAllocateBackBufferName(ClientPtr client) */ pDbeScreenPriv = DBE_SCREEN_PRIV_FROM_WINDOW(pWin); if (!pDbeScreenPriv->GetVisualInfo) - return BadMatch; /* screen doesn't support double buffering */ + return BadMatch; /* screen doesn't support double buffering */ - if (!(*pDbeScreenPriv->GetVisualInfo)(pWin->drawable.pScreen, &scrVisInfo)) - { + if (!(*pDbeScreenPriv->GetVisualInfo) (pWin->drawable.pScreen, &scrVisInfo)) { /* GetVisualInfo() failed to allocate visual info data. */ return BadAlloc; } /* See if the window's visual is on the list. */ visual = wVisual(pWin); - for (i = 0; (i < scrVisInfo.count) && !visualMatched; i++) - { - if (scrVisInfo.visinfo[i].visual == visual) - { - visualMatched = TRUE; - } + for (i = 0; (i < scrVisInfo.count) && !visualMatched; i++) { + if (scrVisInfo.visinfo[i].visual == visual) { + visualMatched = TRUE; + } } /* Free what was allocated by the GetVisualInfo() call above. */ free(scrVisInfo.visinfo); - if (!visualMatched) - { - return BadMatch; + if (!visualMatched) { + return BadMatch; } - if ((pDbeWindowPriv = DBE_WINDOW_PRIV(pWin)) == NULL) - { + if ((pDbeWindowPriv = DBE_WINDOW_PRIV(pWin)) == NULL) { /* There is no buffer associated with the window. * Allocate a window priv. */ - pDbeWindowPriv = dixAllocateObjectWithPrivates(DbeWindowPrivRec, PRIVATE_DBE_WINDOW); - if (!pDbeWindowPriv) + pDbeWindowPriv = + dixAllocateObjectWithPrivates(DbeWindowPrivRec, PRIVATE_DBE_WINDOW); + if (!pDbeWindowPriv) return BadAlloc; /* Fill out window priv information. */ - pDbeWindowPriv->pWindow = pWin; - pDbeWindowPriv->width = pWin->drawable.width; - pDbeWindowPriv->height = pWin->drawable.height; - pDbeWindowPriv->x = pWin->drawable.x; - pDbeWindowPriv->y = pWin->drawable.y; - pDbeWindowPriv->nBufferIDs = 0; + pDbeWindowPriv->pWindow = pWin; + pDbeWindowPriv->width = pWin->drawable.width; + pDbeWindowPriv->height = pWin->drawable.height; + pDbeWindowPriv->x = pWin->drawable.x; + pDbeWindowPriv->y = pWin->drawable.y; + pDbeWindowPriv->nBufferIDs = 0; /* Set the buffer ID array pointer to the initial (static) array). */ pDbeWindowPriv->IDs = pDbeWindowPriv->initIDs; - /* Initialize the buffer ID list. */ + /* Initialize the buffer ID list. */ pDbeWindowPriv->maxAvailableIDs = DBE_INIT_MAX_IDS; pDbeWindowPriv->IDs[0] = stuff->buffer; add_index = 0; - for (i = 0; i < DBE_INIT_MAX_IDS; i++) - { + for (i = 0; i < DBE_INIT_MAX_IDS; i++) { pDbeWindowPriv->IDs[i] = DBE_FREE_ID_ELEMENT; } /* Actually connect the window priv to the window. */ dixSetPrivate(&pWin->devPrivates, dbeWindowPrivKey, pDbeWindowPriv); - } /* if -- There is no buffer associated with the window. */ + } /* if -- There is no buffer associated with the window. */ - else - { + else { /* A buffer is already associated with the window. * Add the new buffer ID to the array, reallocating the array memory * if necessary. */ /* Determine if there is a free element in the ID array. */ - for (i = 0; i < pDbeWindowPriv->maxAvailableIDs; i++) - { - if (pDbeWindowPriv->IDs[i] == DBE_FREE_ID_ELEMENT) - { + for (i = 0; i < pDbeWindowPriv->maxAvailableIDs; i++) { + if (pDbeWindowPriv->IDs[i] == DBE_FREE_ID_ELEMENT) { /* There is still room in the ID array. */ break; } } - - if (i == pDbeWindowPriv->maxAvailableIDs) - { + + if (i == pDbeWindowPriv->maxAvailableIDs) { /* No more room in the ID array -- reallocate another array. */ - XID *pIDs; + XID *pIDs; /* Setup an array pointer for the realloc operation below. */ - if (pDbeWindowPriv->maxAvailableIDs == DBE_INIT_MAX_IDS) - { + if (pDbeWindowPriv->maxAvailableIDs == DBE_INIT_MAX_IDS) { /* We will malloc a new array. */ pIDs = NULL; } - else - { + else { /* We will realloc a new array. */ pIDs = pDbeWindowPriv->IDs; } /* malloc/realloc a new array and initialize all elements to 0. */ - pDbeWindowPriv->IDs = (XID *)realloc(pIDs, - (pDbeWindowPriv->maxAvailableIDs+DBE_INCR_MAX_IDS)*sizeof(XID)); - if (!pDbeWindowPriv->IDs) - { + pDbeWindowPriv->IDs = (XID *) realloc(pIDs, + (pDbeWindowPriv-> + maxAvailableIDs + + DBE_INCR_MAX_IDS) * + sizeof(XID)); + if (!pDbeWindowPriv->IDs) { return BadAlloc; } memset(&pDbeWindowPriv->IDs[pDbeWindowPriv->nBufferIDs], 0, (pDbeWindowPriv->maxAvailableIDs + DBE_INCR_MAX_IDS - pDbeWindowPriv->nBufferIDs) * sizeof(XID)); - if (pDbeWindowPriv->maxAvailableIDs == DBE_INIT_MAX_IDS) - { + if (pDbeWindowPriv->maxAvailableIDs == DBE_INIT_MAX_IDS) { /* We just went from using the initial (static) array to a * newly allocated array. Copy the IDs from the initial array * to the new array. @@ -333,21 +314,18 @@ ProcDbeAllocateBackBufferName(ClientPtr client) pDbeWindowPriv->maxAvailableIDs += DBE_INCR_MAX_IDS; } - add_index = i; - - } /* else -- A buffer is already associated with the window. */ + add_index = i; + } /* else -- A buffer is already associated with the window. */ /* Call the DDX routine to allocate the back buffer. */ - status = (*pDbeScreenPriv->AllocBackBufferName)(pWin, stuff->buffer, - stuff->swapAction); + status = (*pDbeScreenPriv->AllocBackBufferName) (pWin, stuff->buffer, + stuff->swapAction); - if (status == Success) - { - pDbeWindowPriv->IDs[add_index] = stuff->buffer; + if (status == Success) { + pDbeWindowPriv->IDs[add_index] = stuff->buffer; if (!AddResource(stuff->buffer, dbeWindowPrivResType, - (pointer)pDbeWindowPriv)) - { + (pointer) pDbeWindowPriv)) { pDbeWindowPriv->IDs[add_index] = DBE_FREE_ID_ELEMENT; if (pDbeWindowPriv->nBufferIDs == 0) { @@ -355,7 +333,8 @@ ProcDbeAllocateBackBufferName(ClientPtr client) goto out_free; } } - } else { + } + else { /* The DDX buffer allocation routine failed for the first buffer of * this window. */ @@ -372,13 +351,12 @@ ProcDbeAllocateBackBufferName(ClientPtr client) return status; -out_free: + out_free: dixSetPrivate(&pWin->devPrivates, dbeWindowPrivKey, NULL); free(pDbeWindowPriv); return status; -} /* ProcDbeAllocateBackBufferName() */ - +} /* ProcDbeAllocateBackBufferName() */ /****************************************************************************** * @@ -401,41 +379,37 @@ static int ProcDbeDeallocateBackBufferName(ClientPtr client) { REQUEST(xDbeDeallocateBackBufferNameReq); - DbeWindowPrivPtr pDbeWindowPriv; - int rc, i; + DbeWindowPrivPtr pDbeWindowPriv; + int rc, i; pointer val; - REQUEST_SIZE_MATCH(xDbeDeallocateBackBufferNameReq); /* Buffer name must be valid */ - rc = dixLookupResourceByType((pointer *)&pDbeWindowPriv, stuff->buffer, - dbeWindowPrivResType, client, - DixDestroyAccess); + rc = dixLookupResourceByType((pointer *) &pDbeWindowPriv, stuff->buffer, + dbeWindowPrivResType, client, + DixDestroyAccess); if (rc != Success) - return rc; + return rc; rc = dixLookupResourceByType(&val, stuff->buffer, dbeDrawableResType, - client, DixDestroyAccess); + client, DixDestroyAccess); if (rc != Success) - return rc; + return rc; /* Make sure that the id is valid for the window. * This is paranoid code since we already looked up the ID by type * above. */ - for (i = 0; i < pDbeWindowPriv->nBufferIDs; i++) - { + for (i = 0; i < pDbeWindowPriv->nBufferIDs; i++) { /* Loop through the ID list to find the ID. */ - if (pDbeWindowPriv->IDs[i] == stuff->buffer) - { + if (pDbeWindowPriv->IDs[i] == stuff->buffer) { break; } } - if (i == pDbeWindowPriv->nBufferIDs) - { + if (i == pDbeWindowPriv->nBufferIDs) { /* We did not find the ID in the ID list. */ client->errorValue = stuff->buffer; return dbeErrorBase + DbeBadBuffer; @@ -445,8 +419,7 @@ ProcDbeDeallocateBackBufferName(ClientPtr client) return Success; -} /* ProcDbeDeallocateBackBufferName() */ - +} /* ProcDbeDeallocateBackBufferName() */ /****************************************************************************** * @@ -475,82 +448,72 @@ static int ProcDbeSwapBuffers(ClientPtr client) { REQUEST(xDbeSwapBuffersReq); - WindowPtr pWin; - DbeScreenPrivPtr pDbeScreenPriv; - DbeSwapInfoPtr swapInfo; - xDbeSwapInfo *dbeSwapInfo; - int error; - register int i, j; - int nStuff; - + WindowPtr pWin; + DbeScreenPrivPtr pDbeScreenPriv; + DbeSwapInfoPtr swapInfo; + xDbeSwapInfo *dbeSwapInfo; + int error; + register int i, j; + int nStuff; REQUEST_AT_LEAST_SIZE(xDbeSwapBuffersReq); - nStuff = stuff->n; /* use local variable for performance. */ + nStuff = stuff->n; /* use local variable for performance. */ - if (nStuff == 0) - { + if (nStuff == 0) { return Success; } if (nStuff > UINT32_MAX / sizeof(DbeSwapInfoRec)) - return BadAlloc; + return BadAlloc; /* Get to the swap info appended to the end of the request. */ - dbeSwapInfo = (xDbeSwapInfo *)&stuff[1]; + dbeSwapInfo = (xDbeSwapInfo *) & stuff[1]; - /* Allocate array to record swap information. */ - swapInfo = (DbeSwapInfoPtr)malloc(nStuff * sizeof(DbeSwapInfoRec)); - if (swapInfo == NULL) - { + /* Allocate array to record swap information. */ + swapInfo = (DbeSwapInfoPtr) malloc(nStuff * sizeof(DbeSwapInfoRec)); + if (swapInfo == NULL) { return BadAlloc; } - - for (i = 0; i < nStuff; i++) - { + for (i = 0; i < nStuff; i++) { /* Check all windows to swap. */ /* Each window must be a valid window - BadWindow. */ - error = dixLookupWindow(&pWin, dbeSwapInfo[i].window, client, - DixWriteAccess); - if (error != Success) { + error = dixLookupWindow(&pWin, dbeSwapInfo[i].window, client, + DixWriteAccess); + if (error != Success) { free(swapInfo); - return error; + return error; } /* Each window must be double-buffered - BadMatch. */ - if (DBE_WINDOW_PRIV(pWin) == NULL) - { + if (DBE_WINDOW_PRIV(pWin) == NULL) { free(swapInfo); return BadMatch; } /* Each window must only be specified once - BadMatch. */ - for (j = i + 1; j < nStuff; j++) - { - if (dbeSwapInfo[i].window == dbeSwapInfo[j].window) - { + for (j = i + 1; j < nStuff; j++) { + if (dbeSwapInfo[i].window == dbeSwapInfo[j].window) { free(swapInfo); return BadMatch; - } + } } /* Each swap action must be valid - BadValue. */ - if ((dbeSwapInfo[i].swapAction != XdbeUndefined ) && + if ((dbeSwapInfo[i].swapAction != XdbeUndefined) && (dbeSwapInfo[i].swapAction != XdbeBackground) && - (dbeSwapInfo[i].swapAction != XdbeUntouched ) && - (dbeSwapInfo[i].swapAction != XdbeCopied )) - { + (dbeSwapInfo[i].swapAction != XdbeUntouched) && + (dbeSwapInfo[i].swapAction != XdbeCopied)) { free(swapInfo); return BadValue; } /* Everything checks out OK. Fill in the swap info array. */ - swapInfo[i].pWindow = pWin; - swapInfo[i].swapAction = dbeSwapInfo[i].swapAction; - - } /* for (i = 0; i < nStuff; i++) */ + swapInfo[i].pWindow = pWin; + swapInfo[i].swapAction = dbeSwapInfo[i].swapAction; + } /* for (i = 0; i < nStuff; i++) */ /* Call the DDX routine to perform the swap(s). The DDX routine should * scan the swap list (swap info), swap any buffers that it knows how to @@ -565,22 +528,19 @@ ProcDbeSwapBuffers(ClientPtr client) * could deal with cross-screen synchronization. */ - while (nStuff > 0) - { + while (nStuff > 0) { pDbeScreenPriv = DBE_SCREEN_PRIV_FROM_WINDOW(swapInfo[0].pWindow); - error = (*pDbeScreenPriv->SwapBuffers)(client, &nStuff, swapInfo); - if (error != Success) - { + error = (*pDbeScreenPriv->SwapBuffers) (client, &nStuff, swapInfo); + if (error != Success) { free(swapInfo); return error; } } - + free(swapInfo); return Success; -} /* ProcDbeSwapBuffers() */ - +} /* ProcDbeSwapBuffers() */ /****************************************************************************** * @@ -602,27 +562,23 @@ static int ProcDbeBeginIdiom(ClientPtr client) { /* REQUEST(xDbeBeginIdiomReq); */ - DbeScreenPrivPtr pDbeScreenPriv; - register int i; - + DbeScreenPrivPtr pDbeScreenPriv; + register int i; REQUEST_SIZE_MATCH(xDbeBeginIdiomReq); - for (i = 0; i < screenInfo.numScreens; i++) - { + for (i = 0; i < screenInfo.numScreens; i++) { pDbeScreenPriv = DBE_SCREEN_PRIV(screenInfo.screens[i]); /* Call the DDX begin idiom procedure if there is one. */ - if (pDbeScreenPriv->BeginIdiom) - { - (*pDbeScreenPriv->BeginIdiom)(client); + if (pDbeScreenPriv->BeginIdiom) { + (*pDbeScreenPriv->BeginIdiom) (client); } } return Success; -} /* ProcDbeBeginIdiom() */ - +} /* ProcDbeBeginIdiom() */ /****************************************************************************** * @@ -645,37 +601,33 @@ static int ProcDbeGetVisualInfo(ClientPtr client) { REQUEST(xDbeGetVisualInfoReq); - DbeScreenPrivPtr pDbeScreenPriv; - xDbeGetVisualInfoReply rep; - Drawable *drawables; - DrawablePtr *pDrawables = NULL; - register int i, j, rc; - register int count; /* number of visual infos in reply */ - register int length; /* length of reply */ - ScreenPtr pScreen; - XdbeScreenVisualInfo *pScrVisInfo; - + DbeScreenPrivPtr pDbeScreenPriv; + xDbeGetVisualInfoReply rep; + Drawable *drawables; + DrawablePtr *pDrawables = NULL; + register int i, j, rc; + register int count; /* number of visual infos in reply */ + register int length; /* length of reply */ + ScreenPtr pScreen; + XdbeScreenVisualInfo *pScrVisInfo; REQUEST_AT_LEAST_SIZE(xDbeGetVisualInfoReq); if (stuff->n > UINT32_MAX / sizeof(DrawablePtr)) - return BadAlloc; + return BadAlloc; /* Make sure any specified drawables are valid. */ - if (stuff->n != 0) - { - if (!(pDrawables = (DrawablePtr *)malloc(stuff->n * - sizeof(DrawablePtr)))) - { + if (stuff->n != 0) { + if (!(pDrawables = (DrawablePtr *) malloc(stuff->n * + sizeof(DrawablePtr)))) { return BadAlloc; } - drawables = (Drawable *)&stuff[1]; + drawables = (Drawable *) &stuff[1]; - for (i = 0; i < stuff->n; i++) - { - rc = dixLookupDrawable(pDrawables+i, drawables[i], client, 0, - DixGetAttrAccess); - if (rc != Success) { + for (i = 0; i < stuff->n; i++) { + rc = dixLookupDrawable(pDrawables + i, drawables[i], client, 0, + DixGetAttrAccess); + if (rc != Success) { free(pDrawables); return rc; } @@ -683,8 +635,7 @@ ProcDbeGetVisualInfo(ClientPtr client) } count = (stuff->n == 0) ? screenInfo.numScreens : stuff->n; - if (!(pScrVisInfo = calloc(count, sizeof(XdbeScreenVisualInfo)))) - { + if (!(pScrVisInfo = calloc(count, sizeof(XdbeScreenVisualInfo)))) { free(pDrawables); return BadAlloc; @@ -692,22 +643,20 @@ ProcDbeGetVisualInfo(ClientPtr client) length = 0; - for (i = 0; i < count; i++) - { + for (i = 0; i < count; i++) { pScreen = (stuff->n == 0) ? screenInfo.screens[i] : - pDrawables[i]->pScreen; + pDrawables[i]->pScreen; pDbeScreenPriv = DBE_SCREEN_PRIV(pScreen); - rc = XaceHook(XACE_SCREEN_ACCESS, client, pScreen, DixGetAttrAccess); + rc = XaceHook(XACE_SCREEN_ACCESS, client, pScreen, DixGetAttrAccess); if (rc != Success) goto freeScrVisInfo; - if (!(*pDbeScreenPriv->GetVisualInfo)(pScreen, &pScrVisInfo[i])) - { + if (!(*pDbeScreenPriv->GetVisualInfo) (pScreen, &pScrVisInfo[i])) { /* We failed to alloc pScrVisInfo[i].visinfo. */ rc = BadAlloc; - /* Free visinfos that we allocated for previous screen infos.*/ + /* Free visinfos that we allocated for previous screen infos. */ goto freeScrVisInfo; } @@ -718,53 +667,48 @@ ProcDbeGetVisualInfo(ClientPtr client) length += pScrVisInfo[i].count * sizeof(xDbeVisInfo); } - rep.type = X_Reply; + rep.type = X_Reply; rep.sequenceNumber = client->sequence; - rep.length = bytes_to_int32(length); - rep.m = count; + rep.length = bytes_to_int32(length); + rep.m = count; - if (client->swapped) - { + if (client->swapped) { swaps(&rep.sequenceNumber); swapl(&rep.length); swapl(&rep.m); } /* Send off reply. */ - WriteToClient(client, sizeof(xDbeGetVisualInfoReply), (char *)&rep); + WriteToClient(client, sizeof(xDbeGetVisualInfoReply), (char *) &rep); - for (i = 0; i < count; i++) - { - CARD32 data32; + for (i = 0; i < count; i++) { + CARD32 data32; /* For each screen in the reply, send off the visual info */ /* Send off number of visuals. */ - data32 = (CARD32)pScrVisInfo[i].count; + data32 = (CARD32) pScrVisInfo[i].count; - if (client->swapped) - { + if (client->swapped) { swapl(&data32); } - WriteToClient(client, sizeof(CARD32), (char *)&data32); + WriteToClient(client, sizeof(CARD32), (char *) &data32); /* Now send off visual info items. */ - for (j = 0; j < pScrVisInfo[i].count; j++) - { - xDbeVisInfo visInfo; + for (j = 0; j < pScrVisInfo[i].count; j++) { + xDbeVisInfo visInfo; /* Copy the data in the client data structure to a protocol * data structure. We will send data to the client from the * protocol data structure. */ - visInfo.visualID = (CARD32)pScrVisInfo[i].visinfo[j].visual; - visInfo.depth = (CARD8) pScrVisInfo[i].visinfo[j].depth; + visInfo.visualID = (CARD32) pScrVisInfo[i].visinfo[j].visual; + visInfo.depth = (CARD8) pScrVisInfo[i].visinfo[j].depth; visInfo.perfLevel = (CARD8) pScrVisInfo[i].visinfo[j].perflevel; - if (client->swapped) - { + if (client->swapped) { swapl(&visInfo.visualID); /* We do not need to swap depth and perfLevel since they are @@ -773,16 +717,16 @@ ProcDbeGetVisualInfo(ClientPtr client) } /* Write visualID(32), depth(8), perfLevel(8), and pad(16). */ - WriteToClient(client, 2*sizeof(CARD32), (char *)&visInfo.visualID); + WriteToClient(client, 2 * sizeof(CARD32), + (char *) &visInfo.visualID); } } rc = Success; - freeScrVisInfo: + freeScrVisInfo: /* Clean up memory. */ - for (i = 0; i < count; i++) - { + for (i = 0; i < count; i++) { free(pScrVisInfo[i].visinfo); } free(pScrVisInfo); @@ -791,8 +735,7 @@ ProcDbeGetVisualInfo(ClientPtr client) return rc; -} /* ProcDbeGetVisualInfo() */ - +} /* ProcDbeGetVisualInfo() */ /****************************************************************************** * @@ -813,42 +756,37 @@ static int ProcDbeGetBackBufferAttributes(ClientPtr client) { REQUEST(xDbeGetBackBufferAttributesReq); - xDbeGetBackBufferAttributesReply rep; - DbeWindowPrivPtr pDbeWindowPriv; - int rc; - + xDbeGetBackBufferAttributesReply rep; + DbeWindowPrivPtr pDbeWindowPriv; + int rc; REQUEST_SIZE_MATCH(xDbeGetBackBufferAttributesReq); - rc = dixLookupResourceByType((pointer *)&pDbeWindowPriv, stuff->buffer, - dbeWindowPrivResType, client, - DixGetAttrAccess); - if (rc == Success) - { + rc = dixLookupResourceByType((pointer *) &pDbeWindowPriv, stuff->buffer, + dbeWindowPrivResType, client, + DixGetAttrAccess); + if (rc == Success) { rep.attributes = pDbeWindowPriv->pWindow->drawable.id; } - else - { + else { rep.attributes = None; } - - rep.type = X_Reply; + + rep.type = X_Reply; rep.sequenceNumber = client->sequence; - rep.length = 0; - - if (client->swapped) - { + rep.length = 0; + + if (client->swapped) { swaps(&rep.sequenceNumber); swapl(&rep.length); swapl(&rep.attributes); } WriteToClient(client, sizeof(xDbeGetBackBufferAttributesReply), - (char *)&rep); + (char *) &rep); return Success; -} /* ProcDbeGetbackBufferAttributes() */ - +} /* ProcDbeGetbackBufferAttributes() */ /****************************************************************************** * @@ -865,39 +803,36 @@ ProcDbeDispatch(ClientPtr client) { REQUEST(xReq); + switch (stuff->data) { + case X_DbeGetVersion: + return (ProcDbeGetVersion(client)); - switch (stuff->data) - { - case X_DbeGetVersion: - return(ProcDbeGetVersion(client)); + case X_DbeAllocateBackBufferName: + return (ProcDbeAllocateBackBufferName(client)); - case X_DbeAllocateBackBufferName: - return(ProcDbeAllocateBackBufferName(client)); + case X_DbeDeallocateBackBufferName: + return (ProcDbeDeallocateBackBufferName(client)); - case X_DbeDeallocateBackBufferName: - return(ProcDbeDeallocateBackBufferName(client)); + case X_DbeSwapBuffers: + return (ProcDbeSwapBuffers(client)); - case X_DbeSwapBuffers: - return(ProcDbeSwapBuffers(client)); + case X_DbeBeginIdiom: + return (ProcDbeBeginIdiom(client)); - case X_DbeBeginIdiom: - return(ProcDbeBeginIdiom(client)); - - case X_DbeEndIdiom: - return Success; + case X_DbeEndIdiom: + return Success; - case X_DbeGetVisualInfo: - return(ProcDbeGetVisualInfo(client)); + case X_DbeGetVisualInfo: + return (ProcDbeGetVisualInfo(client)); - case X_DbeGetBackBufferAttributes: - return(ProcDbeGetBackBufferAttributes(client)); + case X_DbeGetBackBufferAttributes: + return (ProcDbeGetBackBufferAttributes(client)); - default: - return BadRequest; + default: + return BadRequest; } -} /* ProcDbeDispatch() */ - +} /* ProcDbeDispatch() */ /****************************************************************************** * @@ -921,10 +856,9 @@ SProcDbeGetVersion(ClientPtr client) REQUEST(xDbeGetVersionReq); swaps(&stuff->length); - return(ProcDbeGetVersion(client)); - -} /* SProcDbeGetVersion() */ + return (ProcDbeGetVersion(client)); +} /* SProcDbeGetVersion() */ /****************************************************************************** * @@ -961,10 +895,9 @@ SProcDbeAllocateBackBufferName(ClientPtr client) swapl(&stuff->buffer); /* stuff->swapAction is a byte. We do not need to swap this field. */ - return(ProcDbeAllocateBackBufferName(client)); - -} /* SProcDbeAllocateBackBufferName() */ + return (ProcDbeAllocateBackBufferName(client)); +} /* SProcDbeAllocateBackBufferName() */ /****************************************************************************** * @@ -986,17 +919,16 @@ SProcDbeAllocateBackBufferName(ClientPtr client) static int SProcDbeDeallocateBackBufferName(ClientPtr client) { - REQUEST (xDbeDeallocateBackBufferNameReq); + REQUEST(xDbeDeallocateBackBufferNameReq); swaps(&stuff->length); REQUEST_SIZE_MATCH(xDbeDeallocateBackBufferNameReq); swapl(&stuff->buffer); - return(ProcDbeDeallocateBackBufferName(client)); - -} /* SProcDbeDeallocateBackBufferName() */ + return (ProcDbeDeallocateBackBufferName(client)); +} /* SProcDbeDeallocateBackBufferName() */ /****************************************************************************** * @@ -1023,33 +955,29 @@ static int SProcDbeSwapBuffers(ClientPtr client) { REQUEST(xDbeSwapBuffersReq); - register int i; - xDbeSwapInfo *pSwapInfo; - + register int i; + xDbeSwapInfo *pSwapInfo; swaps(&stuff->length); REQUEST_AT_LEAST_SIZE(xDbeSwapBuffersReq); swapl(&stuff->n); - if (stuff->n != 0) - { - pSwapInfo = (xDbeSwapInfo *)stuff+1; + if (stuff->n != 0) { + pSwapInfo = (xDbeSwapInfo *) stuff + 1; /* The swap info following the fix part of this request is a window(32) * followed by a 1 byte swap action and then 3 pad bytes. We only need * to swap the window information. */ - for (i = 0; i < stuff->n; i++) - { + for (i = 0; i < stuff->n; i++) { swapl(&pSwapInfo->window); } } - return(ProcDbeSwapBuffers(client)); - -} /* SProcDbeSwapBuffers() */ + return (ProcDbeSwapBuffers(client)); +} /* SProcDbeSwapBuffers() */ /****************************************************************************** * @@ -1073,10 +1001,9 @@ SProcDbeBeginIdiom(ClientPtr client) REQUEST(xDbeBeginIdiomReq); swaps(&stuff->length); - return(ProcDbeBeginIdiom(client)); - -} /* SProcDbeBeginIdiom() */ + return (ProcDbeBeginIdiom(client)); +} /* SProcDbeBeginIdiom() */ /****************************************************************************** * @@ -1106,10 +1033,9 @@ SProcDbeGetVisualInfo(ClientPtr client) swapl(&stuff->n); SwapRestL(stuff); - return(ProcDbeGetVisualInfo(client)); - -} /* SProcDbeGetVisualInfo() */ + return (ProcDbeGetVisualInfo(client)); +} /* SProcDbeGetVisualInfo() */ /****************************************************************************** * @@ -1130,17 +1056,16 @@ SProcDbeGetVisualInfo(ClientPtr client) static int SProcDbeGetBackBufferAttributes(ClientPtr client) { - REQUEST (xDbeGetBackBufferAttributesReq); + REQUEST(xDbeGetBackBufferAttributesReq); swaps(&stuff->length); REQUEST_SIZE_MATCH(xDbeGetBackBufferAttributesReq); swapl(&stuff->buffer); - return(ProcDbeGetBackBufferAttributes(client)); - -} /* SProcDbeGetBackBufferAttributes() */ + return (ProcDbeGetBackBufferAttributes(client)); +} /* SProcDbeGetBackBufferAttributes() */ /****************************************************************************** * @@ -1157,39 +1082,36 @@ SProcDbeDispatch(ClientPtr client) { REQUEST(xReq); + switch (stuff->data) { + case X_DbeGetVersion: + return (SProcDbeGetVersion(client)); - switch (stuff->data) - { - case X_DbeGetVersion: - return(SProcDbeGetVersion(client)); + case X_DbeAllocateBackBufferName: + return (SProcDbeAllocateBackBufferName(client)); - case X_DbeAllocateBackBufferName: - return(SProcDbeAllocateBackBufferName(client)); + case X_DbeDeallocateBackBufferName: + return (SProcDbeDeallocateBackBufferName(client)); - case X_DbeDeallocateBackBufferName: - return(SProcDbeDeallocateBackBufferName(client)); + case X_DbeSwapBuffers: + return (SProcDbeSwapBuffers(client)); - case X_DbeSwapBuffers: - return(SProcDbeSwapBuffers(client)); + case X_DbeBeginIdiom: + return (SProcDbeBeginIdiom(client)); - case X_DbeBeginIdiom: - return(SProcDbeBeginIdiom(client)); - - case X_DbeEndIdiom: - return Success; + case X_DbeEndIdiom: + return Success; - case X_DbeGetVisualInfo: - return(SProcDbeGetVisualInfo(client)); + case X_DbeGetVisualInfo: + return (SProcDbeGetVisualInfo(client)); - case X_DbeGetBackBufferAttributes: - return(SProcDbeGetBackBufferAttributes(client)); + case X_DbeGetBackBufferAttributes: + return (SProcDbeGetBackBufferAttributes(client)); - default: - return BadRequest; + default: + return BadRequest; } -} /* SProcDbeDispatch() */ - +} /* SProcDbeDispatch() */ /****************************************************************************** * @@ -1209,12 +1131,11 @@ SProcDbeDispatch(ClientPtr client) static Bool DbeSetupBackgroundPainter(WindowPtr pWin, GCPtr pGC) { - ChangeGCVal gcvalues[4]; - int ts_x_origin, ts_y_origin; - PixUnion background; - int backgroundState; - Mask gcmask; - + ChangeGCVal gcvalues[4]; + int ts_x_origin, ts_y_origin; + PixUnion background; + int backgroundState; + Mask gcmask; /* First take care of any ParentRelative stuff by altering the * tile/stipple origin to match the coordinates of the upper-left @@ -1222,40 +1143,37 @@ DbeSetupBackgroundPainter(WindowPtr pWin, GCPtr pGC) * This coordinate is, of course, negative. */ ts_x_origin = ts_y_origin = 0; - while (pWin->backgroundState == ParentRelative) - { + while (pWin->backgroundState == ParentRelative) { ts_x_origin -= pWin->origin.x; ts_y_origin -= pWin->origin.y; pWin = pWin->parent; } backgroundState = pWin->backgroundState; - background = pWin->background; - - switch (backgroundState) - { - case BackgroundPixel: - gcvalues[0].val = background.pixel; - gcvalues[1].val = FillSolid; - gcmask = GCForeground|GCFillStyle; - break; - - case BackgroundPixmap: - gcvalues[0].val = FillTiled; - gcvalues[1].ptr = background.pixmap; - gcvalues[2].val = ts_x_origin; - gcvalues[3].val = ts_y_origin; - gcmask = GCFillStyle|GCTile|GCTileStipXOrigin|GCTileStipYOrigin; - break; - - default: - /* pWin->backgroundState == None */ - return FALSE; + background = pWin->background; + + switch (backgroundState) { + case BackgroundPixel: + gcvalues[0].val = background.pixel; + gcvalues[1].val = FillSolid; + gcmask = GCForeground | GCFillStyle; + break; + + case BackgroundPixmap: + gcvalues[0].val = FillTiled; + gcvalues[1].ptr = background.pixmap; + gcvalues[2].val = ts_x_origin; + gcvalues[3].val = ts_y_origin; + gcmask = GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin; + break; + + default: + /* pWin->backgroundState == None */ + return FALSE; } return ChangeGC(NullClient, pGC, gcmask, gcvalues) == 0; -} /* DbeSetupBackgroundPainter() */ - +} /* DbeSetupBackgroundPainter() */ /****************************************************************************** * @@ -1278,8 +1196,7 @@ DbeDrawableDelete(pointer pDrawable, XID id) { return Success; -} /* DbeDrawableDelete() */ - +} /* DbeDrawableDelete() */ /****************************************************************************** * @@ -1295,10 +1212,9 @@ DbeDrawableDelete(pointer pDrawable, XID id) static int DbeWindowPrivDelete(pointer pDbeWinPriv, XID id) { - DbeScreenPrivPtr pDbeScreenPriv; - DbeWindowPrivPtr pDbeWindowPriv = (DbeWindowPrivPtr)pDbeWinPriv; - int i; - + DbeScreenPrivPtr pDbeScreenPriv; + DbeWindowPrivPtr pDbeWindowPriv = (DbeWindowPrivPtr) pDbeWinPriv; + int i; /* ************************************************************************** @@ -1308,27 +1224,23 @@ DbeWindowPrivDelete(pointer pDbeWinPriv, XID id) /* Find the ID in the ID array. */ i = 0; - while ((i < pDbeWindowPriv->nBufferIDs) && (pDbeWindowPriv->IDs[i] != id)) - { + while ((i < pDbeWindowPriv->nBufferIDs) && (pDbeWindowPriv->IDs[i] != id)) { i++; } - if (i == pDbeWindowPriv->nBufferIDs) - { + if (i == pDbeWindowPriv->nBufferIDs) { /* We did not find the ID in the array. We should never get here. */ return BadValue; } /* Remove the ID from the array. */ - if (i < (pDbeWindowPriv->nBufferIDs - 1)) - { + if (i < (pDbeWindowPriv->nBufferIDs - 1)) { /* Compress the buffer ID array, overwriting the ID in the process. */ - memmove(&pDbeWindowPriv->IDs[i], &pDbeWindowPriv->IDs[i+1], - (pDbeWindowPriv->nBufferIDs - i - 1) * sizeof(XID)); + memmove(&pDbeWindowPriv->IDs[i], &pDbeWindowPriv->IDs[i + 1], + (pDbeWindowPriv->nBufferIDs - i - 1) * sizeof(XID)); } - else - { + else { /* We are removing the last ID in the array, in which case, the * assignement below is all that we need to do. */ @@ -1341,9 +1253,8 @@ DbeWindowPrivDelete(pointer pDbeWinPriv, XID id) * buffer IDs will fit in the static array. */ - if ((pDbeWindowPriv->maxAvailableIDs > DBE_INIT_MAX_IDS) && - (pDbeWindowPriv->nBufferIDs == DBE_INIT_MAX_IDS)) - { + if ((pDbeWindowPriv->maxAvailableIDs > DBE_INIT_MAX_IDS) && + (pDbeWindowPriv->nBufferIDs == DBE_INIT_MAX_IDS)) { /* Copy the IDs back into the static array. */ memcpy(pDbeWindowPriv->initIDs, pDbeWindowPriv->IDs, DBE_INIT_MAX_IDS * sizeof(XID)); @@ -1354,17 +1265,15 @@ DbeWindowPrivDelete(pointer pDbeWinPriv, XID id) pDbeWindowPriv->maxAvailableIDs = DBE_INIT_MAX_IDS; } - /* ************************************************************************** ** Perform DDX level tasks. ************************************************************************** */ - pDbeScreenPriv = DBE_SCREEN_PRIV_FROM_WINDOW_PRIV( - (DbeWindowPrivPtr)pDbeWindowPriv); - (*pDbeScreenPriv->WinPrivDelete)((DbeWindowPrivPtr)pDbeWindowPriv, id); - + pDbeScreenPriv = DBE_SCREEN_PRIV_FROM_WINDOW_PRIV((DbeWindowPrivPtr) + pDbeWindowPriv); + (*pDbeScreenPriv->WinPrivDelete) ((DbeWindowPrivPtr) pDbeWindowPriv, id); /* ************************************************************************** @@ -1373,20 +1282,18 @@ DbeWindowPrivDelete(pointer pDbeWinPriv, XID id) ************************************************************************** */ - if (pDbeWindowPriv->nBufferIDs == 0) - { + if (pDbeWindowPriv->nBufferIDs == 0) { /* Reset the DBE window priv pointer. */ - dixSetPrivate(&pDbeWindowPriv->pWindow->devPrivates, dbeWindowPrivKey, - NULL); + dixSetPrivate(&pDbeWindowPriv->pWindow->devPrivates, dbeWindowPrivKey, + NULL); /* We are done with the window priv. */ - dixFreeObjectWithPrivates(pDbeWindowPriv, PRIVATE_DBE_WINDOW); + dixFreeObjectWithPrivates(pDbeWindowPriv, PRIVATE_DBE_WINDOW); } return Success; -} /* DbeWindowPrivDelete() */ - +} /* DbeWindowPrivDelete() */ /****************************************************************************** * @@ -1400,30 +1307,27 @@ DbeWindowPrivDelete(pointer pDbeWinPriv, XID id) * *****************************************************************************/ static void -DbeResetProc(ExtensionEntry *extEntry) +DbeResetProc(ExtensionEntry * extEntry) { - int i; - ScreenPtr pScreen; - DbeScreenPrivPtr pDbeScreenPriv; - - for (i = 0; i < screenInfo.numScreens; i++) - { - pScreen = screenInfo.screens[i]; - pDbeScreenPriv = DBE_SCREEN_PRIV(pScreen); - - if (pDbeScreenPriv) - { - /* Unwrap DestroyWindow, which was wrapped in DbeExtensionInit().*/ + int i; + ScreenPtr pScreen; + DbeScreenPrivPtr pDbeScreenPriv; + + for (i = 0; i < screenInfo.numScreens; i++) { + pScreen = screenInfo.screens[i]; + pDbeScreenPriv = DBE_SCREEN_PRIV(pScreen); + + if (pDbeScreenPriv) { + /* Unwrap DestroyWindow, which was wrapped in DbeExtensionInit(). */ pScreen->DestroyWindow = pDbeScreenPriv->DestroyWindow; - if (pDbeScreenPriv->ResetProc) - (*pDbeScreenPriv->ResetProc)(pScreen); + if (pDbeScreenPriv->ResetProc) + (*pDbeScreenPriv->ResetProc) (pScreen); - free(pDbeScreenPriv); - } + free(pDbeScreenPriv); + } } -} /* DbeResetProc() */ - +} /* DbeResetProc() */ /****************************************************************************** * @@ -1440,11 +1344,10 @@ DbeResetProc(ExtensionEntry *extEntry) static Bool DbeDestroyWindow(WindowPtr pWin) { - DbeScreenPrivPtr pDbeScreenPriv; - DbeWindowPrivPtr pDbeWindowPriv; - ScreenPtr pScreen; - Bool ret; - + DbeScreenPrivPtr pDbeScreenPriv; + DbeWindowPrivPtr pDbeWindowPriv; + ScreenPtr pScreen; + Bool ret; /* ************************************************************************** @@ -1452,8 +1355,8 @@ DbeDestroyWindow(WindowPtr pWin) ************************************************************************** */ - pScreen = pWin->drawable.pScreen; - pDbeScreenPriv = DBE_SCREEN_PRIV(pScreen); + pScreen = pWin->drawable.pScreen; + pDbeScreenPriv = DBE_SCREEN_PRIV(pScreen); pScreen->DestroyWindow = pDbeScreenPriv->DestroyWindow; /* @@ -1465,10 +1368,8 @@ DbeDestroyWindow(WindowPtr pWin) ************************************************************************** */ - if ((pDbeWindowPriv = DBE_WINDOW_PRIV(pWin))) - { - while (pDbeWindowPriv) - { + if ((pDbeWindowPriv = DBE_WINDOW_PRIV(pWin))) { + while (pDbeWindowPriv) { /* *DbeWinPrivDelete() will free the window private and set it to * NULL if there are no more buffer IDs associated with this * window. @@ -1484,7 +1385,7 @@ DbeDestroyWindow(WindowPtr pWin) ************************************************************************** */ - ret = (*pScreen->DestroyWindow)(pWin); + ret = (*pScreen->DestroyWindow) (pWin); /* ************************************************************************** @@ -1506,8 +1407,7 @@ DbeDestroyWindow(WindowPtr pWin) return ret; -} /* DbeDestroyWindow() */ - +} /* DbeDestroyWindow() */ /****************************************************************************** * @@ -1522,67 +1422,65 @@ DbeDestroyWindow(WindowPtr pWin) void DbeExtensionInit(void) { - ExtensionEntry *extEntry; - register int i, j; - ScreenPtr pScreen = NULL; - DbeScreenPrivPtr pDbeScreenPriv; - int nStubbedScreens = 0; - Bool ddxInitSuccess; + ExtensionEntry *extEntry; + register int i, j; + ScreenPtr pScreen = NULL; + DbeScreenPrivPtr pDbeScreenPriv; + int nStubbedScreens = 0; + Bool ddxInitSuccess; #ifdef PANORAMIX - if(!noPanoramiXExtension) return; + if (!noPanoramiXExtension) + return; #endif /* Create the resource types. */ dbeDrawableResType = CreateNewResourceType(DbeDrawableDelete, "dbeDrawable"); if (!dbeDrawableResType) - return; + return; dbeDrawableResType |= RC_DRAWABLE; dbeWindowPrivResType = CreateNewResourceType(DbeWindowPrivDelete, "dbeWindow"); if (!dbeWindowPrivResType) - return; + return; if (!dixRegisterPrivateKey(&dbeScreenPrivKeyRec, PRIVATE_SCREEN, 0)) - return; + return; if (!dixRegisterPrivateKey(&dbeWindowPrivKeyRec, PRIVATE_WINDOW, 0)) - return; + return; - for (i = 0; i < screenInfo.numScreens; i++) - { + for (i = 0; i < screenInfo.numScreens; i++) { /* For each screen, set up DBE screen privates and init DIX and DDX * interface. */ - pScreen = screenInfo.screens[i]; + pScreen = screenInfo.screens[i]; - if (!(pDbeScreenPriv = malloc (sizeof (DbeScreenPrivRec)))) - { + if (!(pDbeScreenPriv = malloc(sizeof(DbeScreenPrivRec)))) { /* If we can not alloc a window or screen private, * then free any privates that we already alloc'ed and return */ - for (j = 0; j < i; j++) - { - free(dixLookupPrivate(&screenInfo.screens[j]->devPrivates, - dbeScreenPrivKey)); - dixSetPrivate(&screenInfo.screens[j]->devPrivates, - dbeScreenPrivKey, NULL); - } - return; - } + for (j = 0; j < i; j++) { + free(dixLookupPrivate(&screenInfo.screens[j]->devPrivates, + dbeScreenPrivKey)); + dixSetPrivate(&screenInfo.screens[j]->devPrivates, + dbeScreenPrivKey, NULL); + } + return; + } - dixSetPrivate(&pScreen->devPrivates, dbeScreenPrivKey, pDbeScreenPriv); + dixSetPrivate(&pScreen->devPrivates, dbeScreenPrivKey, pDbeScreenPriv); { /* We don't have DDX support for DBE anymore */ #ifndef DISABLE_MI_DBE_BY_DEFAULT /* Setup DIX. */ - pDbeScreenPriv->SetupBackgroundPainter = DbeSetupBackgroundPainter; + pDbeScreenPriv->SetupBackgroundPainter = DbeSetupBackgroundPainter; /* Setup DDX. */ ddxInitSuccess = miDbeInit(pScreen, pDbeScreenPriv); @@ -1592,17 +1490,15 @@ DbeExtensionInit(void) */ pDbeScreenPriv = DBE_SCREEN_PRIV(pScreen); - if (ddxInitSuccess) - { + if (ddxInitSuccess) { /* Wrap DestroyWindow. The DDX initialization function * already wrapped PositionWindow for us. */ pDbeScreenPriv->DestroyWindow = pScreen->DestroyWindow; - pScreen->DestroyWindow = DbeDestroyWindow; + pScreen->DestroyWindow = DbeDestroyWindow; } - else - { + else { /* DDX initialization failed. Stub the screen. */ DbeStubScreen(pDbeScreenPriv, &nStubbedScreens); } @@ -1612,31 +1508,27 @@ DbeExtensionInit(void) } - } /* for (i = 0; i < screenInfo.numScreens; i++) */ - + } /* for (i = 0; i < screenInfo.numScreens; i++) */ - if (nStubbedScreens == screenInfo.numScreens) - { - /* All screens stubbed. Clean up and return. */ + if (nStubbedScreens == screenInfo.numScreens) { + /* All screens stubbed. Clean up and return. */ - for (i = 0; i < screenInfo.numScreens; i++) - { - free(dixLookupPrivate(&screenInfo.screens[i]->devPrivates, - dbeScreenPrivKey)); - dixSetPrivate(&pScreen->devPrivates, dbeScreenPrivKey, NULL); + for (i = 0; i < screenInfo.numScreens; i++) { + free(dixLookupPrivate(&screenInfo.screens[i]->devPrivates, + dbeScreenPrivKey)); + dixSetPrivate(&pScreen->devPrivates, dbeScreenPrivKey, NULL); } return; } - /* Now add the extension. */ - extEntry = AddExtension(DBE_PROTOCOL_NAME, DbeNumberEvents, + extEntry = AddExtension(DBE_PROTOCOL_NAME, DbeNumberEvents, DbeNumberErrors, ProcDbeDispatch, SProcDbeDispatch, DbeResetProc, StandardMinorOpcode); dbeErrorBase = extEntry->errorBase; - SetResourceTypeErrorValue(dbeWindowPrivResType, dbeErrorBase + DbeBadBuffer); + SetResourceTypeErrorValue(dbeWindowPrivResType, + dbeErrorBase + DbeBadBuffer); SetResourceTypeErrorValue(dbeDrawableResType, dbeErrorBase + DbeBadBuffer); -} /* DbeExtensionInit() */ - +} /* DbeExtensionInit() */ diff --git a/dbe/dbestruct.h b/dbe/dbestruct.h index 9c383cef8..9ea9eb695 100644 --- a/dbe/dbestruct.h +++ b/dbe/dbestruct.h @@ -33,7 +33,6 @@ #ifndef DBE_STRUCT_H #define DBE_STRUCT_H - /* INCLUDES */ #define NEED_DBE_PROTOCOL @@ -41,20 +40,16 @@ #include "windowstr.h" #include "privates.h" -typedef struct -{ - VisualID visual; /* one visual ID that supports double-buffering */ - int depth; /* depth of visual in bits */ - int perflevel; /* performance level of visual */ -} -XdbeVisualInfo; - -typedef struct -{ - int count; /* number of items in visual_depth */ - XdbeVisualInfo *visinfo; /* list of visuals & depths for scrn */ -} -XdbeScreenVisualInfo; +typedef struct { + VisualID visual; /* one visual ID that supports double-buffering */ + int depth; /* depth of visual in bits */ + int perflevel; /* performance level of visual */ +} XdbeVisualInfo; + +typedef struct { + int count; /* number of items in visual_depth */ + XdbeVisualInfo *visinfo; /* list of visuals & depths for scrn */ +} XdbeScreenVisualInfo; /* DEFINES */ @@ -88,17 +83,16 @@ XdbeScreenVisualInfo; /* Marker for free elements in the buffer ID array. */ #define DBE_FREE_ID_ELEMENT 0 -extern _X_EXPORT void DbeExtensionInit (void); +extern _X_EXPORT void DbeExtensionInit(void); /* TYPEDEFS */ /* Record used to pass swap information between DIX and DDX swapping * procedures. */ -typedef struct _DbeSwapInfoRec -{ - WindowPtr pWindow; - unsigned char swapAction; +typedef struct _DbeSwapInfoRec { + WindowPtr pWindow; + unsigned char swapAction; } DbeSwapInfoRec, *DbeSwapInfoPtr; @@ -108,38 +102,37 @@ typedef struct _DbeSwapInfoRec ****************************************************************************** */ -typedef struct _DbeWindowPrivRec -{ +typedef struct _DbeWindowPrivRec { /* A pointer to the window with which the DBE window private (buffer) is * associated. */ - WindowPtr pWindow; + WindowPtr pWindow; /* Last known swap action for this buffer. Legal values for this field * are XdbeUndefined, XdbeBackground, XdbeUntouched, and XdbeCopied. */ - unsigned char swapAction; + unsigned char swapAction; /* Last known buffer size. */ - unsigned short width, height; + unsigned short width, height; /* Coordinates used for static gravity when the window is positioned. */ - short x, y; + short x, y; /* Number of XIDs associated with this buffer. */ - int nBufferIDs; + int nBufferIDs; /* Capacity of the current buffer ID array, IDs. */ - int maxAvailableIDs; + int maxAvailableIDs; /* Pointer to the array of buffer IDs. This initially points to initIDs. * When the static limit of the initIDs array is reached, the array is * reallocated and this pointer is set to the new array instead of initIDs. */ - XID *IDs; + XID *IDs; /* Initial array of buffer IDs. We are defining the XID array within the * window priv to optimize for data locality. In most cases, only one @@ -150,65 +143,55 @@ typedef struct _DbeWindowPrivRec * more IDs than can fit in this static array, we will allocate a larger * array to use, possibly suffering a performance loss. */ - XID initIDs[DBE_INIT_MAX_IDS]; + XID initIDs[DBE_INIT_MAX_IDS]; /* Device-specific private information. */ - PrivateRec *devPrivates; + PrivateRec *devPrivates; } DbeWindowPrivRec, *DbeWindowPrivPtr; - /* ****************************************************************************** ** Per-screen data ****************************************************************************** */ -typedef struct _DbeScreenPrivRec -{ +typedef struct _DbeScreenPrivRec { /* Wrapped functions * It is the responsibilty of the DDX layer to wrap PositionWindow(). * DbeExtensionInit wraps DestroyWindow(). */ PositionWindowProcPtr PositionWindow; - DestroyWindowProcPtr DestroyWindow; + DestroyWindowProcPtr DestroyWindow; /* Per-screen DIX routines */ - Bool (*SetupBackgroundPainter)( - WindowPtr /*pWin*/, - GCPtr /*pGC*/ -); + Bool (*SetupBackgroundPainter) (WindowPtr /*pWin */ , + GCPtr /*pGC */ + ); /* Per-screen DDX routines */ - Bool (*GetVisualInfo)( - ScreenPtr /*pScreen*/, - XdbeScreenVisualInfo * /*pVisInfo*/ -); - int (*AllocBackBufferName)( - WindowPtr /*pWin*/, - XID /*bufId*/, - int /*swapAction*/ -); - int (*SwapBuffers)( - ClientPtr /*client*/, - int * /*pNumWindows*/, - DbeSwapInfoPtr /*swapInfo*/ -); - void (*BeginIdiom)( - ClientPtr /*client*/ -); - void (*EndIdiom)( - ClientPtr /*client*/ -); - void (*WinPrivDelete)( - DbeWindowPrivPtr /*pDbeWindowPriv*/, - XID /*bufId*/ -); - void (*ResetProc)( - ScreenPtr /*pScreen*/ -); + Bool (*GetVisualInfo) (ScreenPtr /*pScreen */ , + XdbeScreenVisualInfo * /*pVisInfo */ + ); + int (*AllocBackBufferName) (WindowPtr /*pWin */ , + XID /*bufId */ , + int /*swapAction */ + ); + int (*SwapBuffers) (ClientPtr /*client */ , + int * /*pNumWindows */ , + DbeSwapInfoPtr /*swapInfo */ + ); + void (*BeginIdiom) (ClientPtr /*client */ + ); + void (*EndIdiom) (ClientPtr /*client */ + ); + void (*WinPrivDelete) (DbeWindowPrivPtr /*pDbeWindowPriv */ , + XID /*bufId */ + ); + void (*ResetProc) (ScreenPtr /*pScreen */ + ); } DbeScreenPrivRec, *DbeScreenPrivPtr; -#endif /* DBE_STRUCT_H */ +#endif /* DBE_STRUCT_H */ diff --git a/dbe/midbe.c b/dbe/midbe.c index b43ac1b3d..d810d992e 100644 --- a/dbe/midbe.c +++ b/dbe/midbe.c @@ -30,7 +30,6 @@ * *****************************************************************************/ - /* INCLUDES */ #ifdef HAVE_DIX_CONFIG_H @@ -59,8 +58,8 @@ #include <stdio.h> static DevPrivateKeyRec miDbeWindowPrivPrivKeyRec; -#define miDbeWindowPrivPrivKey (&miDbeWindowPrivPrivKeyRec) +#define miDbeWindowPrivPrivKey (&miDbeWindowPrivPrivKeyRec) /****************************************************************************** * @@ -79,41 +78,36 @@ static DevPrivateKeyRec miDbeWindowPrivPrivKeyRec; *****************************************************************************/ static Bool -miDbeGetVisualInfo(ScreenPtr pScreen, XdbeScreenVisualInfo *pScrVisInfo) +miDbeGetVisualInfo(ScreenPtr pScreen, XdbeScreenVisualInfo * pScrVisInfo) { - register int i, j, k; - register int count; - DepthPtr pDepth; - XdbeVisualInfo *visInfo; - + register int i, j, k; + register int count; + DepthPtr pDepth; + XdbeVisualInfo *visInfo; /* Determine number of visuals for this screen. */ - for (i = 0, count = 0; i < pScreen->numDepths; i++) - { + for (i = 0, count = 0; i < pScreen->numDepths; i++) { count += pScreen->allowedDepths[i].numVids; } /* Allocate an array of XdbeVisualInfo items. */ - if (!(visInfo = (XdbeVisualInfo *)malloc(count * sizeof(XdbeVisualInfo)))) - { - return FALSE; /* memory alloc failure */ + if (!(visInfo = (XdbeVisualInfo *) malloc(count * sizeof(XdbeVisualInfo)))) { + return FALSE; /* memory alloc failure */ } - for (i = 0, k = 0; i < pScreen->numDepths; i++) - { + for (i = 0, k = 0; i < pScreen->numDepths; i++) { /* For each depth of this screen, get visual information. */ pDepth = &pScreen->allowedDepths[i]; - for (j = 0; j < pDepth->numVids; j++) - { + for (j = 0; j < pDepth->numVids; j++) { /* For each visual for this depth of this screen, get visual ID * and visual depth. Since this is MI code, we will always return * the same performance level for all visuals (0). A higher * performance level value indicates higher performance. */ - visInfo[k].visual = pDepth->vids[j]; - visInfo[k].depth = pDepth->depth; + visInfo[k].visual = pDepth->vids[j]; + visInfo[k].depth = pDepth->depth; visInfo[k].perflevel = 0; k++; } @@ -122,13 +116,12 @@ miDbeGetVisualInfo(ScreenPtr pScreen, XdbeScreenVisualInfo *pScrVisInfo) /* Record the number of visuals and point visual_depth to * the array of visual info. */ - pScrVisInfo->count = count; + pScrVisInfo->count = count; pScrVisInfo->visinfo = visInfo; - return TRUE; /* success */ - -} /* miDbeGetVisualInfo() */ + return TRUE; /* success */ +} /* miDbeGetVisualInfo() */ /****************************************************************************** * @@ -143,20 +136,18 @@ miDbeGetVisualInfo(ScreenPtr pScreen, XdbeScreenVisualInfo *pScrVisInfo) static int miDbeAllocBackBufferName(WindowPtr pWin, XID bufId, int swapAction) { - ScreenPtr pScreen; - DbeWindowPrivPtr pDbeWindowPriv; - MiDbeWindowPrivPrivPtr pDbeWindowPrivPriv; - DbeScreenPrivPtr pDbeScreenPriv; - GCPtr pGC; - xRectangle clearRect; - int rc; - + ScreenPtr pScreen; + DbeWindowPrivPtr pDbeWindowPriv; + MiDbeWindowPrivPrivPtr pDbeWindowPrivPriv; + DbeScreenPrivPtr pDbeScreenPriv; + GCPtr pGC; + xRectangle clearRect; + int rc; pScreen = pWin->drawable.pScreen; pDbeWindowPriv = DBE_WINDOW_PRIV(pWin); - if (pDbeWindowPriv->nBufferIDs == 0) - { + if (pDbeWindowPriv->nBufferIDs == 0) { /* There is no buffer associated with the window. * We have to create the window priv priv. Remember, the window * priv was created at the DIX level, so all we need to do is @@ -171,32 +162,29 @@ miDbeAllocBackBufferName(WindowPtr pWin, XID bufId, int swapAction) /* Get a front pixmap. */ if (!(pDbeWindowPrivPriv->pFrontBuffer = - (*pScreen->CreatePixmap)(pScreen, pDbeWindowPriv->width, - pDbeWindowPriv->height, - pWin->drawable.depth, 0))) - { + (*pScreen->CreatePixmap) (pScreen, pDbeWindowPriv->width, + pDbeWindowPriv->height, + pWin->drawable.depth, 0))) { return BadAlloc; } /* Get a back pixmap. */ if (!(pDbeWindowPrivPriv->pBackBuffer = - (*pScreen->CreatePixmap)(pScreen, pDbeWindowPriv->width, - pDbeWindowPriv->height, - pWin->drawable.depth, 0))) - { - (*pScreen->DestroyPixmap)(pDbeWindowPrivPriv->pFrontBuffer); + (*pScreen->CreatePixmap) (pScreen, pDbeWindowPriv->width, + pDbeWindowPriv->height, + pWin->drawable.depth, 0))) { + (*pScreen->DestroyPixmap) (pDbeWindowPrivPriv->pFrontBuffer); return BadAlloc; } - /* Security creation/labeling check. */ - rc = XaceHook(XACE_RESOURCE_ACCESS, serverClient, bufId, - dbeDrawableResType, pDbeWindowPrivPriv->pBackBuffer, - RT_WINDOW, pWin, DixCreateAccess); + /* Security creation/labeling check. */ + rc = XaceHook(XACE_RESOURCE_ACCESS, serverClient, bufId, + dbeDrawableResType, pDbeWindowPrivPriv->pBackBuffer, + RT_WINDOW, pWin, DixCreateAccess); /* Make the back pixmap a DBE drawable resource. */ if (rc != Success || !AddResource(bufId, dbeDrawableResType, - pDbeWindowPrivPriv->pBackBuffer)) - { + pDbeWindowPrivPriv->pBackBuffer)) { /* free the buffer and the drawable resource */ FreeResource(bufId, RT_NONE); return (rc == Success) ? BadAlloc : rc; @@ -204,22 +192,19 @@ miDbeAllocBackBufferName(WindowPtr pWin, XID bufId, int swapAction) /* Clear the back buffer. */ pGC = GetScratchGC(pWin->drawable.depth, pWin->drawable.pScreen); - if ((*pDbeScreenPriv->SetupBackgroundPainter)(pWin, pGC)) - { - ValidateGC((DrawablePtr)pDbeWindowPrivPriv->pBackBuffer, pGC); + if ((*pDbeScreenPriv->SetupBackgroundPainter) (pWin, pGC)) { + ValidateGC((DrawablePtr) pDbeWindowPrivPriv->pBackBuffer, pGC); clearRect.x = clearRect.y = 0; - clearRect.width = pDbeWindowPrivPriv->pBackBuffer->drawable.width; + clearRect.width = pDbeWindowPrivPriv->pBackBuffer->drawable.width; clearRect.height = pDbeWindowPrivPriv->pBackBuffer->drawable.height; - (*pGC->ops->PolyFillRect)( - (DrawablePtr)pDbeWindowPrivPriv->pBackBuffer, pGC, 1, - &clearRect); + (*pGC->ops->PolyFillRect) ((DrawablePtr) pDbeWindowPrivPriv-> + pBackBuffer, pGC, 1, &clearRect); } FreeScratchGC(pGC); - } /* if no buffer associated with the window */ + } /* if no buffer associated with the window */ - else - { + else { /* A buffer is already associated with the window. * Place the new buffer ID information at the head of the ID list. */ @@ -227,8 +212,7 @@ miDbeAllocBackBufferName(WindowPtr pWin, XID bufId, int swapAction) /* Associate the new ID with an existing pixmap. */ pDbeWindowPrivPriv = MI_DBE_WINDOW_PRIV_PRIV(pDbeWindowPriv); if (!AddResource(bufId, dbeDrawableResType, - (pointer)pDbeWindowPrivPriv->pBackBuffer)) - { + (pointer) pDbeWindowPrivPriv->pBackBuffer)) { return BadAlloc; } @@ -236,8 +220,7 @@ miDbeAllocBackBufferName(WindowPtr pWin, XID bufId, int swapAction) return Success; -} /* miDbeAllocBackBufferName() */ - +} /* miDbeAllocBackBufferName() */ /****************************************************************************** * @@ -253,18 +236,16 @@ miDbeAllocBackBufferName(WindowPtr pWin, XID bufId, int swapAction) static void miDbeAliasBuffers(DbeWindowPrivPtr pDbeWindowPriv) { - int i; - MiDbeWindowPrivPrivPtr pDbeWindowPrivPriv = - MI_DBE_WINDOW_PRIV_PRIV(pDbeWindowPriv); + int i; + MiDbeWindowPrivPrivPtr pDbeWindowPrivPriv = + MI_DBE_WINDOW_PRIV_PRIV(pDbeWindowPriv); - for (i = 0; i < pDbeWindowPriv->nBufferIDs; i++) - { + for (i = 0; i < pDbeWindowPriv->nBufferIDs; i++) { ChangeResourceValue(pDbeWindowPriv->IDs[i], dbeDrawableResType, - (pointer)pDbeWindowPrivPriv->pBackBuffer); + (pointer) pDbeWindowPrivPriv->pBackBuffer); } -} /* miDbeAliasBuffers() */ - +} /* miDbeAliasBuffers() */ /****************************************************************************** * @@ -279,16 +260,15 @@ miDbeAliasBuffers(DbeWindowPrivPtr pDbeWindowPriv) static int miDbeSwapBuffers(ClientPtr client, int *pNumWindows, DbeSwapInfoPtr swapInfo) { - DbeScreenPrivPtr pDbeScreenPriv; - GCPtr pGC; - WindowPtr pWin; - MiDbeWindowPrivPrivPtr pDbeWindowPrivPriv; - PixmapPtr pTmpBuffer; - xRectangle clearRect; - - - pWin = swapInfo[0].pWindow; - pDbeScreenPriv = DBE_SCREEN_PRIV_FROM_WINDOW(pWin); + DbeScreenPrivPtr pDbeScreenPriv; + GCPtr pGC; + WindowPtr pWin; + MiDbeWindowPrivPrivPtr pDbeWindowPrivPriv; + PixmapPtr pTmpBuffer; + xRectangle clearRect; + + pWin = swapInfo[0].pWindow; + pDbeScreenPriv = DBE_SCREEN_PRIV_FROM_WINDOW(pWin); pDbeWindowPrivPriv = MI_DBE_WINDOW_PRIV_PRIV_FROM_WINDOW(pWin); pGC = GetScratchGC(pWin->drawable.depth, pWin->drawable.pScreen); @@ -298,24 +278,23 @@ miDbeSwapBuffers(ClientPtr client, int *pNumWindows, DbeSwapInfoPtr swapInfo) ********************************************************************** */ - switch(swapInfo[0].swapAction) - { - case XdbeUndefined: - break; + switch (swapInfo[0].swapAction) { + case XdbeUndefined: + break; - case XdbeBackground: - break; + case XdbeBackground: + break; - case XdbeUntouched: - ValidateGC((DrawablePtr)pDbeWindowPrivPriv->pFrontBuffer, pGC); - (*pGC->ops->CopyArea)((DrawablePtr)pWin, - (DrawablePtr)pDbeWindowPrivPriv->pFrontBuffer, - pGC, 0, 0, pWin->drawable.width, - pWin->drawable.height, 0, 0); - break; + case XdbeUntouched: + ValidateGC((DrawablePtr) pDbeWindowPrivPriv->pFrontBuffer, pGC); + (*pGC->ops->CopyArea) ((DrawablePtr) pWin, + (DrawablePtr) pDbeWindowPrivPriv->pFrontBuffer, + pGC, 0, 0, pWin->drawable.width, + pWin->drawable.height, 0, 0); + break; - case XdbeCopied: - break; + case XdbeCopied: + break; } @@ -325,11 +304,10 @@ miDbeSwapBuffers(ClientPtr client, int *pNumWindows, DbeSwapInfoPtr swapInfo) ********************************************************************** */ - ValidateGC((DrawablePtr)pWin, pGC); - (*pGC->ops->CopyArea)((DrawablePtr)pDbeWindowPrivPriv->pBackBuffer, - (DrawablePtr)pWin, pGC, 0, 0, - pWin->drawable.width, pWin->drawable.height, - 0, 0); + ValidateGC((DrawablePtr) pWin, pGC); + (*pGC->ops->CopyArea) ((DrawablePtr) pDbeWindowPrivPriv->pBackBuffer, + (DrawablePtr) pWin, pGC, 0, 0, + pWin->drawable.width, pWin->drawable.height, 0, 0); /* ********************************************************************** @@ -337,40 +315,34 @@ miDbeSwapBuffers(ClientPtr client, int *pNumWindows, DbeSwapInfoPtr swapInfo) ********************************************************************** */ - switch(swapInfo[0].swapAction) - { - case XdbeUndefined: - break; - - case XdbeBackground: - if ((*pDbeScreenPriv->SetupBackgroundPainter)(pWin, pGC)) - { - ValidateGC((DrawablePtr)pDbeWindowPrivPriv->pBackBuffer, pGC); - clearRect.x = 0; - clearRect.y = 0; - clearRect.width = - pDbeWindowPrivPriv->pBackBuffer->drawable.width; - clearRect.height = - pDbeWindowPrivPriv->pBackBuffer->drawable.height; - (*pGC->ops->PolyFillRect)( - (DrawablePtr)pDbeWindowPrivPriv->pBackBuffer, - pGC, 1, &clearRect); - } - break; - - case XdbeUntouched: - /* Swap pixmap pointers. */ - pTmpBuffer = pDbeWindowPrivPriv->pBackBuffer; - pDbeWindowPrivPriv->pBackBuffer = - pDbeWindowPrivPriv->pFrontBuffer; - pDbeWindowPrivPriv->pFrontBuffer = pTmpBuffer; - - miDbeAliasBuffers(pDbeWindowPrivPriv->pDbeWindowPriv); - - break; - - case XdbeCopied: - break; + switch (swapInfo[0].swapAction) { + case XdbeUndefined: + break; + + case XdbeBackground: + if ((*pDbeScreenPriv->SetupBackgroundPainter) (pWin, pGC)) { + ValidateGC((DrawablePtr) pDbeWindowPrivPriv->pBackBuffer, pGC); + clearRect.x = 0; + clearRect.y = 0; + clearRect.width = pDbeWindowPrivPriv->pBackBuffer->drawable.width; + clearRect.height = pDbeWindowPrivPriv->pBackBuffer->drawable.height; + (*pGC->ops->PolyFillRect) ((DrawablePtr) pDbeWindowPrivPriv-> + pBackBuffer, pGC, 1, &clearRect); + } + break; + + case XdbeUntouched: + /* Swap pixmap pointers. */ + pTmpBuffer = pDbeWindowPrivPriv->pBackBuffer; + pDbeWindowPrivPriv->pBackBuffer = pDbeWindowPrivPriv->pFrontBuffer; + pDbeWindowPrivPriv->pFrontBuffer = pTmpBuffer; + + miDbeAliasBuffers(pDbeWindowPrivPriv->pDbeWindowPriv); + + break; + + case XdbeCopied: + break; } @@ -379,23 +351,21 @@ miDbeSwapBuffers(ClientPtr client, int *pNumWindows, DbeSwapInfoPtr swapInfo) * swapped. */ - if (*pNumWindows > 1) - { + if (*pNumWindows > 1) { /* We were told to swap more than one window, but we only swapped the * first one. Remove the first window in the list by moving the last * window to the beginning. */ - swapInfo[0].pWindow = swapInfo[*pNumWindows - 1].pWindow; + swapInfo[0].pWindow = swapInfo[*pNumWindows - 1].pWindow; swapInfo[0].swapAction = swapInfo[*pNumWindows - 1].swapAction; /* Clear the last window information just to be safe. */ - swapInfo[*pNumWindows - 1].pWindow = (WindowPtr)NULL; + swapInfo[*pNumWindows - 1].pWindow = (WindowPtr) NULL; swapInfo[*pNumWindows - 1].swapAction = 0; } - else - { + else { /* Clear the window information just to be safe. */ - swapInfo[0].pWindow = (WindowPtr)NULL; + swapInfo[0].pWindow = (WindowPtr) NULL; swapInfo[0].swapAction = 0; } @@ -405,8 +375,7 @@ miDbeSwapBuffers(ClientPtr client, int *pNumWindows, DbeSwapInfoPtr swapInfo) return Success; -} /* miSwapBuffers() */ - +} /* miSwapBuffers() */ /****************************************************************************** * @@ -458,18 +427,15 @@ miDbeSwapBuffers(ClientPtr client, int *pNumWindows, DbeSwapInfoPtr swapInfo) static void miDbeWinPrivDelete(DbeWindowPrivPtr pDbeWindowPriv, XID bufId) { - MiDbeWindowPrivPrivPtr pDbeWindowPrivPriv; + MiDbeWindowPrivPrivPtr pDbeWindowPrivPriv; - - if (pDbeWindowPriv->nBufferIDs != 0) - { + if (pDbeWindowPriv->nBufferIDs != 0) { /* We still have at least one more buffer ID associated with this * window. */ return; } - /* We have no more buffer IDs associated with this window. We need to * free some stuff. */ @@ -477,19 +443,16 @@ miDbeWinPrivDelete(DbeWindowPrivPtr pDbeWindowPriv, XID bufId) pDbeWindowPrivPriv = MI_DBE_WINDOW_PRIV_PRIV(pDbeWindowPriv); /* Destroy the front and back pixmaps. */ - if (pDbeWindowPrivPriv->pFrontBuffer) - { - (*pDbeWindowPriv->pWindow->drawable.pScreen->DestroyPixmap)( - pDbeWindowPrivPriv->pFrontBuffer); + if (pDbeWindowPrivPriv->pFrontBuffer) { + (*pDbeWindowPriv->pWindow->drawable.pScreen-> + DestroyPixmap) (pDbeWindowPrivPriv->pFrontBuffer); } - if (pDbeWindowPrivPriv->pBackBuffer) - { - (*pDbeWindowPriv->pWindow->drawable.pScreen->DestroyPixmap)( - pDbeWindowPrivPriv->pBackBuffer); + if (pDbeWindowPrivPriv->pBackBuffer) { + (*pDbeWindowPriv->pWindow->drawable.pScreen-> + DestroyPixmap) (pDbeWindowPrivPriv->pBackBuffer); } -} /* miDbeWinPrivDelete() */ - +} /* miDbeWinPrivDelete() */ /****************************************************************************** * @@ -505,30 +468,29 @@ miDbeWinPrivDelete(DbeWindowPrivPtr pDbeWindowPriv, XID bufId) static Bool miDbePositionWindow(WindowPtr pWin, int x, int y) { - ScreenPtr pScreen; - DbeScreenPrivPtr pDbeScreenPriv; - DbeWindowPrivPtr pDbeWindowPriv; - int width, height; - int dx, dy, dw, dh; - int sourcex, sourcey; - int destx, desty; - int savewidth, saveheight; - PixmapPtr pFrontBuffer; - PixmapPtr pBackBuffer; - Bool clear; - GCPtr pGC; - xRectangle clearRect; - Bool ret; - + ScreenPtr pScreen; + DbeScreenPrivPtr pDbeScreenPriv; + DbeWindowPrivPtr pDbeWindowPriv; + int width, height; + int dx, dy, dw, dh; + int sourcex, sourcey; + int destx, desty; + int savewidth, saveheight; + PixmapPtr pFrontBuffer; + PixmapPtr pBackBuffer; + Bool clear; + GCPtr pGC; + xRectangle clearRect; + Bool ret; /* ************************************************************************** ** 1. Unwrap the member routine. ************************************************************************** */ - - pScreen = pWin->drawable.pScreen; - pDbeScreenPriv = DBE_SCREEN_PRIV(pScreen); + + pScreen = pWin->drawable.pScreen; + pDbeScreenPriv = DBE_SCREEN_PRIV(pScreen); pScreen->PositionWindow = pDbeScreenPriv->PositionWindow; /* @@ -538,14 +500,14 @@ miDbePositionWindow(WindowPtr pWin, int x, int y) ** In this case we do not need to do anything. ************************************************************************** */ - + /* ************************************************************************** ** 3. Call the member routine, saving its result if necessary. ************************************************************************** */ - - ret = (*pScreen->PositionWindow)(pWin, x, y); + + ret = (*pScreen->PositionWindow) (pWin, x, y); /* ************************************************************************** @@ -562,108 +524,95 @@ miDbePositionWindow(WindowPtr pWin, int x, int y) ** 5. Do any work necessary after the member routine has been called. ************************************************************************** */ - - if (!(pDbeWindowPriv = DBE_WINDOW_PRIV(pWin))) - { - return ret; + + if (!(pDbeWindowPriv = DBE_WINDOW_PRIV(pWin))) { + return ret; } - if (pDbeWindowPriv->width == pWin->drawable.width && - pDbeWindowPriv->height == pWin->drawable.height) - { - return ret; + if (pDbeWindowPriv->width == pWin->drawable.width && + pDbeWindowPriv->height == pWin->drawable.height) { + return ret; } - width = pWin->drawable.width; + width = pWin->drawable.width; height = pWin->drawable.height; dx = pWin->drawable.x - pDbeWindowPriv->x; dy = pWin->drawable.y - pDbeWindowPriv->y; - dw = width - pDbeWindowPriv->width; + dw = width - pDbeWindowPriv->width; dh = height - pDbeWindowPriv->height; - GravityTranslate (0, 0, -dx, -dy, dw, dh, pWin->bitGravity, &destx, &desty); + GravityTranslate(0, 0, -dx, -dy, dw, dh, pWin->bitGravity, &destx, &desty); - clear = ((pDbeWindowPriv->width < (unsigned short)width ) || - (pDbeWindowPriv->height < (unsigned short)height) || + clear = ((pDbeWindowPriv->width < (unsigned short) width) || + (pDbeWindowPriv->height < (unsigned short) height) || (pWin->bitGravity == ForgetGravity)); sourcex = 0; sourcey = 0; - savewidth = pDbeWindowPriv->width; + savewidth = pDbeWindowPriv->width; saveheight = pDbeWindowPriv->height; /* Clip rectangle to source and destination. */ - if (destx < 0) - { - savewidth += destx; - sourcex -= destx; - destx = 0; + if (destx < 0) { + savewidth += destx; + sourcex -= destx; + destx = 0; } - if (destx + savewidth > width) - { - savewidth = width - destx; + if (destx + savewidth > width) { + savewidth = width - destx; } - if (desty < 0) - { - saveheight += desty; - sourcey -= desty; - desty = 0; + if (desty < 0) { + saveheight += desty; + sourcey -= desty; + desty = 0; } - if (desty + saveheight > height) - { - saveheight = height - desty; + if (desty + saveheight > height) { + saveheight = height - desty; } - pDbeWindowPriv->width = width; + pDbeWindowPriv->width = width; pDbeWindowPriv->height = height; pDbeWindowPriv->x = pWin->drawable.x; pDbeWindowPriv->y = pWin->drawable.y; - pGC = GetScratchGC (pWin->drawable.depth, pScreen); - - if (clear) - { - if ((*pDbeScreenPriv->SetupBackgroundPainter)(pWin, pGC)) - { - clearRect.x = 0; - clearRect.y = 0; - clearRect.width = width; - clearRect.height = height; - } - else - { - clear = FALSE; - } + pGC = GetScratchGC(pWin->drawable.depth, pScreen); + + if (clear) { + if ((*pDbeScreenPriv->SetupBackgroundPainter) (pWin, pGC)) { + clearRect.x = 0; + clearRect.y = 0; + clearRect.width = width; + clearRect.height = height; + } + else { + clear = FALSE; + } } /* Create DBE buffer pixmaps equal to size of resized window. */ - pFrontBuffer = (*pScreen->CreatePixmap)(pScreen, width, height, - pWin->drawable.depth, 0); + pFrontBuffer = (*pScreen->CreatePixmap) (pScreen, width, height, + pWin->drawable.depth, 0); - pBackBuffer = (*pScreen->CreatePixmap)(pScreen, width, height, - pWin->drawable.depth, 0); + pBackBuffer = (*pScreen->CreatePixmap) (pScreen, width, height, + pWin->drawable.depth, 0); - if (!pFrontBuffer || !pBackBuffer) - { + if (!pFrontBuffer || !pBackBuffer) { /* We failed at creating 1 or 2 of the pixmaps. */ - if (pFrontBuffer) - { - (*pScreen->DestroyPixmap)(pFrontBuffer); + if (pFrontBuffer) { + (*pScreen->DestroyPixmap) (pFrontBuffer); } - if (pBackBuffer) - { - (*pScreen->DestroyPixmap)(pBackBuffer); + if (pBackBuffer) { + (*pScreen->DestroyPixmap) (pBackBuffer); } /* Destroy all buffers for this window. */ - while (pDbeWindowPriv) - { + while (pDbeWindowPriv) { /* DbeWindowPrivDelete() will free the window private if there no * more buffer IDs associated with this window. */ @@ -675,57 +624,53 @@ miDbePositionWindow(WindowPtr pWin, int x, int y) return FALSE; } - else - { + else { /* Clear out the new DBE buffer pixmaps. */ - MiDbeWindowPrivPrivPtr pDbeWindowPrivPriv; - + MiDbeWindowPrivPrivPtr pDbeWindowPrivPriv; pDbeWindowPrivPriv = MI_DBE_WINDOW_PRIV_PRIV(pDbeWindowPriv); - /* I suppose this could avoid quite a bit of work if - * it computed the minimal area required. - */ - ValidateGC(&pFrontBuffer->drawable, pGC); - if (clear) - { - (*pGC->ops->PolyFillRect)((DrawablePtr)pFrontBuffer, pGC, 1, - &clearRect); - } - /* Copy the contents of the old front pixmap to the new one. */ - if (pWin->bitGravity != ForgetGravity) - { - (*pGC->ops->CopyArea)((DrawablePtr)pDbeWindowPrivPriv->pFrontBuffer, - (DrawablePtr)pFrontBuffer, pGC, sourcex, - sourcey, savewidth, saveheight, destx, desty); + /* I suppose this could avoid quite a bit of work if + * it computed the minimal area required. + */ + ValidateGC(&pFrontBuffer->drawable, pGC); + if (clear) { + (*pGC->ops->PolyFillRect) ((DrawablePtr) pFrontBuffer, pGC, 1, + &clearRect); + } + /* Copy the contents of the old front pixmap to the new one. */ + if (pWin->bitGravity != ForgetGravity) { + (*pGC->ops->CopyArea) ((DrawablePtr) pDbeWindowPrivPriv-> + pFrontBuffer, (DrawablePtr) pFrontBuffer, + pGC, sourcex, sourcey, savewidth, saveheight, + destx, desty); } - ValidateGC(&pBackBuffer->drawable, pGC); - if (clear) - { - (*pGC->ops->PolyFillRect)((DrawablePtr)pBackBuffer , pGC, 1, - &clearRect); - } - /* Copy the contents of the old back pixmap to the new one. */ - if (pWin->bitGravity != ForgetGravity) - { - (*pGC->ops->CopyArea)((DrawablePtr)pDbeWindowPrivPriv->pBackBuffer, - (DrawablePtr)pBackBuffer, pGC, sourcex, - sourcey, savewidth, saveheight, destx, desty); - } + ValidateGC(&pBackBuffer->drawable, pGC); + if (clear) { + (*pGC->ops->PolyFillRect) ((DrawablePtr) pBackBuffer, pGC, 1, + &clearRect); + } + /* Copy the contents of the old back pixmap to the new one. */ + if (pWin->bitGravity != ForgetGravity) { + (*pGC->ops->CopyArea) ((DrawablePtr) pDbeWindowPrivPriv-> + pBackBuffer, (DrawablePtr) pBackBuffer, pGC, + sourcex, sourcey, savewidth, saveheight, + destx, desty); + } /* Destroy the old pixmaps, and point the DBE window priv to the new * pixmaps. */ - (*pScreen->DestroyPixmap)(pDbeWindowPrivPriv->pFrontBuffer); - (*pScreen->DestroyPixmap)(pDbeWindowPrivPriv->pBackBuffer); + (*pScreen->DestroyPixmap) (pDbeWindowPrivPriv->pFrontBuffer); + (*pScreen->DestroyPixmap) (pDbeWindowPrivPriv->pBackBuffer); pDbeWindowPrivPriv->pFrontBuffer = pFrontBuffer; - pDbeWindowPrivPriv->pBackBuffer = pBackBuffer; + pDbeWindowPrivPriv->pBackBuffer = pBackBuffer; - /* Make sure all XID are associated with the new back pixmap. */ + /* Make sure all XID are associated with the new back pixmap. */ miDbeAliasBuffers(pDbeWindowPriv); FreeScratchGC(pGC); @@ -733,8 +678,7 @@ miDbePositionWindow(WindowPtr pWin, int x, int y) return ret; -} /* miDbePositionWindow() */ - +} /* miDbePositionWindow() */ /****************************************************************************** * @@ -751,16 +695,14 @@ miDbePositionWindow(WindowPtr pWin, int x, int y) static void miDbeResetProc(ScreenPtr pScreen) { - DbeScreenPrivPtr pDbeScreenPriv; - + DbeScreenPrivPtr pDbeScreenPriv; pDbeScreenPriv = DBE_SCREEN_PRIV(pScreen); /* Unwrap wrappers */ pScreen->PositionWindow = pDbeScreenPriv->PositionWindow; -} /* miDbeResetProc() */ - +} /* miDbeResetProc() */ /****************************************************************************** * @@ -776,22 +718,22 @@ Bool miDbeInit(ScreenPtr pScreen, DbeScreenPrivPtr pDbeScreenPriv) { if (!dixRegisterPrivateKey(&miDbeWindowPrivPrivKeyRec, PRIVATE_DBE_WINDOW, - sizeof(MiDbeWindowPrivPrivRec))) + sizeof(MiDbeWindowPrivPrivRec))) return FALSE; /* Wrap functions. */ pDbeScreenPriv->PositionWindow = pScreen->PositionWindow; - pScreen->PositionWindow = miDbePositionWindow; + pScreen->PositionWindow = miDbePositionWindow; /* Initialize the per-screen DBE function pointers. */ - pDbeScreenPriv->GetVisualInfo = miDbeGetVisualInfo; - pDbeScreenPriv->AllocBackBufferName = miDbeAllocBackBufferName; - pDbeScreenPriv->SwapBuffers = miDbeSwapBuffers; - pDbeScreenPriv->BeginIdiom = 0; - pDbeScreenPriv->EndIdiom = 0; - pDbeScreenPriv->ResetProc = miDbeResetProc; - pDbeScreenPriv->WinPrivDelete = miDbeWinPrivDelete; + pDbeScreenPriv->GetVisualInfo = miDbeGetVisualInfo; + pDbeScreenPriv->AllocBackBufferName = miDbeAllocBackBufferName; + pDbeScreenPriv->SwapBuffers = miDbeSwapBuffers; + pDbeScreenPriv->BeginIdiom = 0; + pDbeScreenPriv->EndIdiom = 0; + pDbeScreenPriv->ResetProc = miDbeResetProc; + pDbeScreenPriv->WinPrivDelete = miDbeWinPrivDelete; return TRUE; -} /* miDbeInit() */ +} /* miDbeInit() */ diff --git a/dbe/midbe.h b/dbe/midbe.h index cff36d038..4eed538d0 100644 --- a/dbe/midbe.h +++ b/dbe/midbe.h @@ -40,19 +40,17 @@ /* EXTERNS */ -extern Bool miDbeInit( - ScreenPtr pScreen, - DbeScreenPrivPtr pDbeScreenPriv -); +extern Bool miDbeInit(ScreenPtr pScreen, DbeScreenPrivPtr pDbeScreenPriv); extern DevPrivateKeyRec dbeScreenPrivKeyRec; + #define dbeScreenPrivKey (&dbeScreenPrivKeyRec) extern DevPrivateKeyRec dbeWindowPrivKeyRec; -#define dbeWindowPrivKey (&dbeWindowPrivKeyRec) -extern RESTYPE dbeDrawableResType; -extern RESTYPE dbeWindowPrivResType; +#define dbeWindowPrivKey (&dbeWindowPrivKeyRec) -#endif /* MIDBE_H */ +extern RESTYPE dbeDrawableResType; +extern RESTYPE dbeWindowPrivResType; +#endif /* MIDBE_H */ diff --git a/dbe/midbestr.h b/dbe/midbestr.h index a47d8d9f1..70017b045 100644 --- a/dbe/midbestr.h +++ b/dbe/midbestr.h @@ -30,7 +30,6 @@ * *****************************************************************************/ - #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> #endif @@ -38,7 +37,6 @@ #ifndef MIDBE_STRUCT_H #define MIDBE_STRUCT_H - /* DEFINES */ #define MI_DBE_WINDOW_PRIV_PRIV(pDbeWindowPriv) \ @@ -50,15 +48,14 @@ /* TYPEDEFS */ -typedef struct _MiDbeWindowPrivPrivRec -{ +typedef struct _MiDbeWindowPrivPrivRec { /* Place machine-specific fields in here. * Since this is mi code, we do not really have machine-specific fields. */ /* Pointer to a drawable that contains the contents of the back buffer. */ - PixmapPtr pBackBuffer; + PixmapPtr pBackBuffer; /* Pointer to a drawable that contains the contents of the front buffer. * This pointer is only used for the XdbeUntouched swap action. For that @@ -68,12 +65,11 @@ typedef struct _MiDbeWindowPrivPrivRec * and then swap the drawable/resource associations in the resource * database. */ - PixmapPtr pFrontBuffer; + PixmapPtr pFrontBuffer; /* Pointer back to our window private with which we are associated. */ - DbeWindowPrivPtr pDbeWindowPriv; + DbeWindowPrivPtr pDbeWindowPriv; } MiDbeWindowPrivPrivRec, *MiDbeWindowPrivPrivPtr; -#endif /* MIDBE_STRUCT_H */ - +#endif /* MIDBE_STRUCT_H */ |