xenocara/xserver/hw/xwin/winscrinit.c
2019-07-27 07:57:06 +00:00

562 lines
18 KiB
C

/*
*Copyright (C) 1994-2000 The XFree86 Project, Inc. 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 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 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
*NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT 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.
*
*Except as contained in this notice, the name of the XFree86 Project
*shall not be used in advertising or otherwise to promote the sale, use
*or other dealings in this Software without prior written authorization
*from the XFree86 Project.
*
* Authors: Dakshinamurthy Karra
* Suhaib M Siddiqi
* Peter Busch
* Harold L Hunt II
* Kensuke Matsuzaki
*/
#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "win.h"
#include "winmsg.h"
#ifdef XWIN_MULTIWINDOWEXTWM
static RootlessFrameProcsRec winMWExtWMProcs = {
winMWExtWMCreateFrame,
winMWExtWMDestroyFrame,
winMWExtWMMoveFrame,
winMWExtWMResizeFrame,
winMWExtWMRestackFrame,
winMWExtWMReshapeFrame,
winMWExtWMUnmapFrame,
winMWExtWMStartDrawing,
winMWExtWMStopDrawing,
winMWExtWMUpdateRegion,
winMWExtWMDamageRects,
winMWExtWMRootlessSwitchWindow,
NULL, //winMWExtWMDoReorderWindow,
NULL, //winMWExtWMHideWindow,
NULL, //winMWExtWMUpdateColorMap,
NULL, //winMWExtWMCopyBytes,
winMWExtWMCopyWindow
};
#endif
/*
* Prototypes
*/
/*
* Local functions
*/
static Bool
winSaveScreen(ScreenPtr pScreen, int on);
/*
* Determine what type of screen we are initializing
* and call the appropriate procedure to intiailize
* that type of screen.
*/
Bool
winScreenInit(ScreenPtr pScreen, int argc, char **argv)
{
winScreenInfoPtr pScreenInfo = &g_ScreenInfo[pScreen->myNum];
winPrivScreenPtr pScreenPriv;
HDC hdc;
DWORD dwInitialBPP;
#if CYGDEBUG || YES
winDebug("winScreenInit - dwWidth: %u dwHeight: %u\n",
(unsigned int)pScreenInfo->dwWidth, (unsigned int)pScreenInfo->dwHeight);
#endif
/* Allocate privates for this screen */
if (!winAllocatePrivates(pScreen)) {
ErrorF("winScreenInit - Couldn't allocate screen privates\n");
return FALSE;
}
/* Get a pointer to the privates structure that was allocated */
pScreenPriv = winGetScreenPriv(pScreen);
/* Save a pointer to this screen in the screen info structure */
pScreenInfo->pScreen = pScreen;
/* Save a pointer to the screen info in the screen privates structure */
/* This allows us to get back to the screen info from a screen pointer */
pScreenPriv->pScreenInfo = pScreenInfo;
/*
* Determine which engine to use.
*
* NOTE: This is done once per screen because each screen possibly has
* a preferred engine specified on the command line.
*/
if (!winSetEngine(pScreen)) {
ErrorF("winScreenInit - winSetEngine () failed\n");
return FALSE;
}
/* Horribly misnamed function: Allow engine to adjust BPP for screen */
dwInitialBPP = pScreenInfo->dwBPP;
if (!(*pScreenPriv->pwinAdjustVideoMode) (pScreen)) {
ErrorF("winScreenInit - winAdjustVideoMode () failed\n");
return FALSE;
}
if (dwInitialBPP == WIN_DEFAULT_BPP) {
/* No -depth parameter was passed, let the user know the depth being used */
ErrorF
("winScreenInit - Using Windows display depth of %d bits per pixel\n",
(int) pScreenInfo->dwBPP);
}
else if (dwInitialBPP != pScreenInfo->dwBPP) {
/* Warn user if engine forced a depth different to -depth parameter */
ErrorF
("winScreenInit - Command line depth of %d bpp overidden by engine, using %d bpp\n",
(int) dwInitialBPP, (int) pScreenInfo->dwBPP);
}
else {
ErrorF("winScreenInit - Using command line depth of %d bpp\n",
(int) pScreenInfo->dwBPP);
}
/* Check for supported display depth */
if (!(WIN_SUPPORTED_BPPS & (1 << (pScreenInfo->dwBPP - 1)))) {
ErrorF("winScreenInit - Unsupported display depth: %d\n"
"Change your Windows display depth to 15, 16, 24, or 32 bits "
"per pixel.\n", (int) pScreenInfo->dwBPP);
ErrorF("winScreenInit - Supported depths: %08x\n", WIN_SUPPORTED_BPPS);
#if WIN_CHECK_DEPTH
return FALSE;
#endif
}
/*
* Check that all monitors have the same display depth if we are using
* multiple monitors
*/
if (pScreenInfo->fMultipleMonitors
&& !GetSystemMetrics(SM_SAMEDISPLAYFORMAT)) {
ErrorF("winScreenInit - Monitors do not all have same pixel format / "
"display depth.\n");
if (pScreenInfo->dwEngine == WIN_SERVER_SHADOW_GDI) {
ErrorF
("winScreenInit - Performance may suffer off primary display.\n");
}
else {
ErrorF("winScreenInit - Using primary display only.\n");
pScreenInfo->fMultipleMonitors = FALSE;
}
}
/* Create display window */
if (!(*pScreenPriv->pwinCreateBoundingWindow) (pScreen)) {
ErrorF("winScreenInit - pwinCreateBoundingWindow () " "failed\n");
return FALSE;
}
/* Get a device context */
hdc = GetDC(pScreenPriv->hwndScreen);
/* Are we using multiple monitors? */
if (pScreenInfo->fMultipleMonitors) {
/*
* In this case, some of the defaults set in
* winInitializeScreenDefaults() are not correct ...
*/
if (!pScreenInfo->fUserGaveHeightAndWidth) {
pScreenInfo->dwWidth = GetSystemMetrics(SM_CXVIRTUALSCREEN);
pScreenInfo->dwHeight = GetSystemMetrics(SM_CYVIRTUALSCREEN);
}
}
/* Release the device context */
ReleaseDC(pScreenPriv->hwndScreen, hdc);
/* Clear the visuals list */
miClearVisualTypes();
/* Call the engine dependent screen initialization procedure */
if (!((*pScreenPriv->pwinFinishScreenInit) (pScreen->myNum, pScreen, argc, argv))) {
ErrorF("winScreenInit - winFinishScreenInit () failed\n");
/* call the engine dependent screen close procedure to clean up from a failure */
pScreenPriv->pwinCloseScreen(pScreen);
return FALSE;
}
if (!g_fSoftwareCursor)
winInitCursor(pScreen);
else
winErrorFVerb(2, "winScreenInit - Using software cursor\n");
if (!noPanoramiXExtension) {
/*
Note the screen origin in a normalized coordinate space where (0,0) is at the top left
of the native virtual desktop area
*/
pScreen->x =
pScreenInfo->dwInitialX - GetSystemMetrics(SM_XVIRTUALSCREEN);
pScreen->y =
pScreenInfo->dwInitialY - GetSystemMetrics(SM_YVIRTUALSCREEN);
ErrorF("Screen %d added at virtual desktop coordinate (%d,%d).\n",
pScreen->myNum, pScreen->x, pScreen->y);
}
#if CYGDEBUG || YES
winDebug("winScreenInit - returning\n");
#endif
return TRUE;
}
static Bool
winCreateScreenResources(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
Bool result;
result = pScreenPriv->pwinCreateScreenResources(pScreen);
/* Now the screen bitmap has been wrapped in a pixmap,
add that to the Shadow framebuffer */
if (!shadowAdd(pScreen, pScreen->devPrivate,
pScreenPriv->pwinShadowUpdate, NULL, 0, 0)) {
ErrorF("winCreateScreenResources - shadowAdd () failed\n");
return FALSE;
}
return result;
}
/* See Porting Layer Definition - p. 20 */
Bool
winFinishScreenInitFB(int i, ScreenPtr pScreen, int argc, char **argv)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
VisualPtr pVisual = NULL;
int iReturn;
/* Create framebuffer */
if (!(*pScreenPriv->pwinInitScreen) (pScreen)) {
ErrorF("winFinishScreenInitFB - Could not allocate framebuffer\n");
return FALSE;
}
/*
* Calculate the number of bits that are used to represent color in each pixel,
* the color depth for the screen
*/
if (pScreenInfo->dwBPP == 8)
pScreenInfo->dwDepth = 8;
else
pScreenInfo->dwDepth = winCountBits(pScreenPriv->dwRedMask)
+ winCountBits(pScreenPriv->dwGreenMask)
+ winCountBits(pScreenPriv->dwBlueMask);
winErrorFVerb(2, "winFinishScreenInitFB - Masks: %08x %08x %08x\n",
(unsigned int) pScreenPriv->dwRedMask,
(unsigned int) pScreenPriv->dwGreenMask,
(unsigned int) pScreenPriv->dwBlueMask);
/* Init visuals */
if (!(*pScreenPriv->pwinInitVisuals) (pScreen)) {
ErrorF("winFinishScreenInitFB - winInitVisuals failed\n");
return FALSE;
}
/* Apparently we need this for the render extension */
miSetPixmapDepths();
/* Start fb initialization */
if (!fbSetupScreen(pScreen,
pScreenInfo->pfb,
pScreenInfo->dwWidth, pScreenInfo->dwHeight,
monitorResolution, monitorResolution,
pScreenInfo->dwStride, pScreenInfo->dwBPP)) {
ErrorF("winFinishScreenInitFB - fbSetupScreen failed\n");
return FALSE;
}
/* Override default colormap routines if visual class is dynamic */
if (pScreenInfo->dwDepth == 8
&& (pScreenInfo->dwEngine == WIN_SERVER_SHADOW_GDI
|| (pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DDNL
&& pScreenInfo->fFullScreen))) {
winSetColormapFunctions(pScreen);
/*
* NOTE: Setting whitePixel to 255 causes Magic 7.1 to allocate its
* own colormap, as it cannot allocate 7 planes in the default
* colormap. Setting whitePixel to 1 allows Magic to get 7
* planes in the default colormap, so it doesn't create its
* own colormap. This latter situation is highly desireable,
* as it keeps the Magic window viewable when switching to
* other X clients that use the default colormap.
*/
pScreen->blackPixel = 0;
pScreen->whitePixel = 1;
}
/* Place our save screen function */
pScreen->SaveScreen = winSaveScreen;
/* Finish fb initialization */
if (!fbFinishScreenInit(pScreen,
pScreenInfo->pfb,
pScreenInfo->dwWidth, pScreenInfo->dwHeight,
monitorResolution, monitorResolution,
pScreenInfo->dwStride, pScreenInfo->dwBPP)) {
ErrorF("winFinishScreenInitFB - fbFinishScreenInit failed\n");
return FALSE;
}
/* Save a pointer to the root visual */
for (pVisual = pScreen->visuals;
pVisual->vid != pScreen->rootVisual; pVisual++);
pScreenPriv->pRootVisual = pVisual;
/*
* Setup points to the block and wakeup handlers. Pass a pointer
* to the current screen as pWakeupdata.
*/
pScreen->BlockHandler = winBlockHandler;
pScreen->WakeupHandler = winWakeupHandler;
/* Render extension initialization, calls miPictureInit */
if (!fbPictureInit(pScreen, NULL, 0)) {
ErrorF("winFinishScreenInitFB - fbPictureInit () failed\n");
return FALSE;
}
#ifdef RANDR
/* Initialize resize and rotate support */
if (!winRandRInit(pScreen)) {
ErrorF("winFinishScreenInitFB - winRandRInit () failed\n");
return FALSE;
}
#endif
/* Setup the cursor routines */
#if CYGDEBUG
winDebug("winFinishScreenInitFB - Calling miDCInitialize ()\n");
#endif
miDCInitialize(pScreen, &g_winPointerCursorFuncs);
/* KDrive does winCreateDefColormap right after miDCInitialize */
/* Create a default colormap */
#if CYGDEBUG
winDebug("winFinishScreenInitFB - Calling winCreateDefColormap ()\n");
#endif
if (!winCreateDefColormap(pScreen)) {
ErrorF("winFinishScreenInitFB - Could not create colormap\n");
return FALSE;
}
/* Initialize the shadow framebuffer layer */
if ((pScreenInfo->dwEngine == WIN_SERVER_SHADOW_GDI
|| pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DDNL)
#ifdef XWIN_MULTIWINDOWEXTWM
&& !pScreenInfo->fMWExtWM
#endif
) {
#if CYGDEBUG
winDebug("winFinishScreenInitFB - Calling shadowSetup ()\n");
#endif
if (!shadowSetup(pScreen)) {
ErrorF("winFinishScreenInitFB - shadowSetup () failed\n");
return FALSE;
}
/* Wrap CreateScreenResources so we can add the screen pixmap
to the Shadow framebuffer after it's been created */
pScreenPriv->pwinCreateScreenResources = pScreen->CreateScreenResources;
pScreen->CreateScreenResources = winCreateScreenResources;
}
#ifdef XWIN_MULTIWINDOWEXTWM
/* Handle multi-window external window manager mode */
if (pScreenInfo->fMWExtWM) {
winDebug("winScreenInit - MultiWindowExtWM - Calling RootlessInit\n");
RootlessInit(pScreen, &winMWExtWMProcs);
winDebug("winScreenInit - MultiWindowExtWM - RootlessInit returned\n");
rootless_CopyBytes_threshold = 0;
/* FIXME: How many? Profiling needed? */
rootless_CopyWindow_threshold = 1;
winWindowsWMExtensionInit();
}
#endif
/* Handle rootless mode */
if (pScreenInfo->fRootless) {
/* Define the WRAP macro temporarily for local use */
#define WRAP(a) \
if (pScreen->a) { \
pScreenPriv->a = pScreen->a; \
} else { \
winDebug("winScreenInit - null screen fn " #a "\n"); \
pScreenPriv->a = NULL; \
}
/* Save a pointer to each lower-level window procedure */
WRAP(CreateWindow);
WRAP(DestroyWindow);
WRAP(RealizeWindow);
WRAP(UnrealizeWindow);
WRAP(PositionWindow);
WRAP(ChangeWindowAttributes);
WRAP(SetShape);
/* Assign rootless window procedures to be top level procedures */
pScreen->CreateWindow = winCreateWindowRootless;
pScreen->DestroyWindow = winDestroyWindowRootless;
pScreen->PositionWindow = winPositionWindowRootless;
/*pScreen->ChangeWindowAttributes = winChangeWindowAttributesRootless; */
pScreen->RealizeWindow = winMapWindowRootless;
pScreen->UnrealizeWindow = winUnmapWindowRootless;
pScreen->SetShape = winSetShapeRootless;
/* Undefine the WRAP macro, as it is not needed elsewhere */
#undef WRAP
}
/* Handle multi window mode */
else if (pScreenInfo->fMultiWindow) {
/* Define the WRAP macro temporarily for local use */
#define WRAP(a) \
if (pScreen->a) { \
pScreenPriv->a = pScreen->a; \
} else { \
winDebug("null screen fn " #a "\n"); \
pScreenPriv->a = NULL; \
}
/* Save a pointer to each lower-level window procedure */
WRAP(CreateWindow);
WRAP(DestroyWindow);
WRAP(RealizeWindow);
WRAP(UnrealizeWindow);
WRAP(PositionWindow);
WRAP(ChangeWindowAttributes);
WRAP(ReparentWindow);
WRAP(RestackWindow);
WRAP(ResizeWindow);
WRAP(MoveWindow);
WRAP(CopyWindow);
WRAP(SetShape);
/* Assign multi-window window procedures to be top level procedures */
pScreen->CreateWindow = winCreateWindowMultiWindow;
pScreen->DestroyWindow = winDestroyWindowMultiWindow;
pScreen->PositionWindow = winPositionWindowMultiWindow;
/*pScreen->ChangeWindowAttributes = winChangeWindowAttributesMultiWindow; */
pScreen->RealizeWindow = winMapWindowMultiWindow;
pScreen->UnrealizeWindow = winUnmapWindowMultiWindow;
pScreen->ReparentWindow = winReparentWindowMultiWindow;
pScreen->RestackWindow = winRestackWindowMultiWindow;
pScreen->ResizeWindow = winResizeWindowMultiWindow;
pScreen->MoveWindow = winMoveWindowMultiWindow;
pScreen->CopyWindow = winCopyWindowMultiWindow;
pScreen->SetShape = winSetShapeMultiWindow;
/* Undefine the WRAP macro, as it is not needed elsewhere */
#undef WRAP
}
/* Wrap either fb's or shadow's CloseScreen with our CloseScreen */
pScreenPriv->CloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = pScreenPriv->pwinCloseScreen;
/* Create a mutex for modules in separate threads to wait for */
iReturn = pthread_mutex_init(&pScreenPriv->pmServerStarted, NULL);
if (iReturn != 0) {
ErrorF("winFinishScreenInitFB - pthread_mutex_init () failed: %d\n",
iReturn);
return FALSE;
}
/* Own the mutex for modules in separate threads */
iReturn = pthread_mutex_lock(&pScreenPriv->pmServerStarted);
if (iReturn != 0) {
ErrorF("winFinishScreenInitFB - pthread_mutex_lock () failed: %d\n",
iReturn);
return FALSE;
}
/* Set the ServerStarted flag to false */
pScreenPriv->fServerStarted = FALSE;
#ifdef XWIN_MULTIWINDOWEXTWM
pScreenPriv->fRestacking = FALSE;
#endif
if (pScreenInfo->fMultiWindow) {
#if CYGDEBUG || YES
winDebug("winFinishScreenInitFB - Calling winInitWM.\n");
#endif
/* Initialize multi window mode */
if (!winInitWM(&pScreenPriv->pWMInfo,
&pScreenPriv->ptWMProc,
&pScreenPriv->ptXMsgProc,
&pScreenPriv->pmServerStarted,
pScreenInfo->dwScreen,
(HWND) &pScreenPriv->hwndScreen)) {
ErrorF("winFinishScreenInitFB - winInitWM () failed.\n");
return FALSE;
}
}
/* Tell the server that we are enabled */
pScreenPriv->fEnabled = TRUE;
/* Tell the server that we have a valid depth */
pScreenPriv->fBadDepth = FALSE;
#if CYGDEBUG || YES
winDebug("winFinishScreenInitFB - returning\n");
#endif
return TRUE;
}
/* See Porting Layer Definition - p. 33 */
static Bool
winSaveScreen(ScreenPtr pScreen, int on)
{
return TRUE;
}