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xserver/hw/xwin/winshaddd.c

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/*
*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
*/
#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "win.h"
/*
* FIXME: Headers are broken, DEFINE_GUID doesn't work correctly,
* so we have to redefine it here.
*/
#ifdef DEFINE_GUID
#undef DEFINE_GUID
#define DEFINE_GUID(n,l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8) const GUID n GUID_SECT = {l,w1,w2,{b1,b2,b3,b4,b5,b6,b7,b8}}
#endif /* DEFINE_GUID */
/*
* FIXME: Headers are broken, IID_IDirectDraw2 has to be defined
* here manually. Should be handled by ddraw.h
*/
#ifndef IID_IDirectDraw2
DEFINE_GUID(IID_IDirectDraw2, 0xB3A6F3E0, 0x2B43, 0x11CF, 0xA2, 0xDE, 0x00,
0xAA, 0x00, 0xB9, 0x33, 0x56);
#endif /* IID_IDirectDraw2 */
/*
* Local prototypes
*/
static Bool
winAllocateFBShadowDD(ScreenPtr pScreen);
static void
winShadowUpdateDD(ScreenPtr pScreen, shadowBufPtr pBuf);
static Bool
winCloseScreenShadowDD(int nIndex, ScreenPtr pScreen);
static Bool
winInitVisualsShadowDD(ScreenPtr pScreen);
static Bool
winAdjustVideoModeShadowDD(ScreenPtr pScreen);
static Bool
winBltExposedRegionsShadowDD(ScreenPtr pScreen);
static Bool
winActivateAppShadowDD(ScreenPtr pScreen);
static Bool
winRedrawScreenShadowDD(ScreenPtr pScreen);
static Bool
winRealizeInstalledPaletteShadowDD(ScreenPtr pScreen);
static Bool
winInstallColormapShadowDD(ColormapPtr pColormap);
static Bool
winStoreColorsShadowDD(ColormapPtr pmap, int ndef, xColorItem * pdefs);
static Bool
winCreateColormapShadowDD(ColormapPtr pColormap);
static Bool
winDestroyColormapShadowDD(ColormapPtr pColormap);
static Bool
winCreatePrimarySurfaceShadowDD(ScreenPtr pScreen);
static Bool
winReleasePrimarySurfaceShadowDD(ScreenPtr pScreen);
/*
* Create the primary surface and attach the clipper.
* Used for both the initial surface creation and during
* WM_DISPLAYCHANGE messages.
*/
static Bool
winCreatePrimarySurfaceShadowDD(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
HRESULT ddrval = DD_OK;
DDSURFACEDESC ddsd;
/* Describe the primary surface */
ZeroMemory(&ddsd, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
/* Create the primary surface */
ddrval = IDirectDraw2_CreateSurface(pScreenPriv->pdd2,
&ddsd, &pScreenPriv->pddsPrimary, NULL);
if (FAILED(ddrval)) {
ErrorF("winCreatePrimarySurfaceShadowDD - Could not create primary "
"surface: %08x\n", (unsigned int) ddrval);
return FALSE;
}
#if CYGDEBUG
winDebug("winCreatePrimarySurfaceShadowDD - Created primary surface\n");
#endif
/*
* Attach a clipper to the primary surface that will clip our blits to our
* display window.
*/
ddrval = IDirectDrawSurface2_SetClipper(pScreenPriv->pddsPrimary,
pScreenPriv->pddcPrimary);
if (FAILED(ddrval)) {
ErrorF("winCreatePrimarySurfaceShadowDD - Primary attach clipper "
"failed: %08x\n", (unsigned int) ddrval);
return FALSE;
}
#if CYGDEBUG
winDebug("winCreatePrimarySurfaceShadowDD - Attached clipper to "
"primary surface\n");
#endif
/* Everything was correct */
return TRUE;
}
/*
* Detach the clipper and release the primary surface.
* Called from WM_DISPLAYCHANGE.
*/
static Bool
winReleasePrimarySurfaceShadowDD(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
ErrorF("winReleasePrimarySurfaceShadowDD - Hello\n");
/* Release the primary surface and clipper, if they exist */
if (pScreenPriv->pddsPrimary) {
/*
* Detach the clipper from the primary surface.
* NOTE: We do this explicity for clarity. The Clipper is not released.
*/
IDirectDrawSurface2_SetClipper(pScreenPriv->pddsPrimary, NULL);
ErrorF("winReleasePrimarySurfaceShadowDD - Detached clipper\n");
/* Release the primary surface */
IDirectDrawSurface2_Release(pScreenPriv->pddsPrimary);
pScreenPriv->pddsPrimary = NULL;
}
ErrorF("winReleasePrimarySurfaceShadowDD - Released primary surface\n");
return TRUE;
}
/*
* Create a DirectDraw surface for the shadow framebuffer; also create
* a primary surface object so we can blit to the display.
*
* Install a DirectDraw clipper on our primary surface object
* that clips our blits to the unobscured client area of our display window.
*/
static Bool
winAllocateFBShadowDD(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
HRESULT ddrval = DD_OK;
DDSURFACEDESC ddsd;
DDSURFACEDESC *pddsdShadow = NULL;
#if CYGDEBUG
winDebug("winAllocateFBShadowDD\n");
#endif
/* Create a clipper */
ddrval = (*g_fpDirectDrawCreateClipper) (0,
&pScreenPriv->pddcPrimary, NULL);
if (FAILED(ddrval)) {
ErrorF("winAllocateFBShadowDD - Could not create clipper: %08x\n",
(unsigned int) ddrval);
return FALSE;
}
#if CYGDEBUG
winDebug("winAllocateFBShadowDD - Created a clipper\n");
#endif
/* Attach the clipper to our display window */
ddrval = IDirectDrawClipper_SetHWnd(pScreenPriv->pddcPrimary,
0, pScreenPriv->hwndScreen);
if (FAILED(ddrval)) {
ErrorF("winAllocateFBShadowDD - Clipper not attached to "
"window: %08x\n", (unsigned int) ddrval);
return FALSE;
}
#if CYGDEBUG
winDebug("winAllocateFBShadowDD - Attached clipper to window\n");
#endif
/* Create a DirectDraw object, store the address at lpdd */
ddrval = (*g_fpDirectDrawCreate) (NULL, &pScreenPriv->pdd, NULL);
if (FAILED(ddrval)) {
ErrorF("winAllocateFBShadowDD - Could not start DirectDraw: %08x\n",
(unsigned int) ddrval);
return FALSE;
}
#if CYGDEBUG
winDebug("winAllocateFBShadowDD () - Created and initialized DD\n");
#endif
/* Get a DirectDraw2 interface pointer */
ddrval = IDirectDraw_QueryInterface(pScreenPriv->pdd,
&IID_IDirectDraw2,
(LPVOID *) & pScreenPriv->pdd2);
if (FAILED(ddrval)) {
ErrorF("winAllocateFBShadowDD - Failed DD2 query: %08x\n",
(unsigned int) ddrval);
return FALSE;
}
/* Are we full screen? */
if (pScreenInfo->fFullScreen) {
DDSURFACEDESC ddsdCurrent;
DWORD dwRefreshRateCurrent = 0;
HDC hdc = NULL;
/* Set the cooperative level to full screen */
ddrval = IDirectDraw2_SetCooperativeLevel(pScreenPriv->pdd2,
pScreenPriv->hwndScreen,
DDSCL_EXCLUSIVE
| DDSCL_FULLSCREEN);
if (FAILED(ddrval)) {
ErrorF("winAllocateFBShadowDD - Could not set "
"cooperative level: %08x\n", (unsigned int) ddrval);
return FALSE;
}
/*
* We only need to get the current refresh rate for comparison
* if a refresh rate has been passed on the command line.
*/
if (pScreenInfo->dwRefreshRate != 0) {
ZeroMemory(&ddsdCurrent, sizeof(ddsdCurrent));
ddsdCurrent.dwSize = sizeof(ddsdCurrent);
/* Get information about current display settings */
ddrval = IDirectDraw2_GetDisplayMode(pScreenPriv->pdd2,
&ddsdCurrent);
if (FAILED(ddrval)) {
ErrorF("winAllocateFBShadowDD - Could not get current "
"refresh rate: %08x. Continuing.\n",
(unsigned int) ddrval);
dwRefreshRateCurrent = 0;
}
else {
/* Grab the current refresh rate */
dwRefreshRateCurrent = ddsdCurrent.u2.dwRefreshRate;
}
}
/* Clean up the refresh rate */
if (dwRefreshRateCurrent == pScreenInfo->dwRefreshRate) {
/*
* Refresh rate is non-specified or equal to current.
*/
pScreenInfo->dwRefreshRate = 0;
}
/* Grab a device context for the screen */
hdc = GetDC(NULL);
if (hdc == NULL) {
ErrorF("winAllocateFBShadowDD - GetDC () failed\n");
return FALSE;
}
/* Only change the video mode when different than current mode */
if (!pScreenInfo->fMultipleMonitors
&& (pScreenInfo->dwWidth != GetSystemMetrics(SM_CXSCREEN)
|| pScreenInfo->dwHeight != GetSystemMetrics(SM_CYSCREEN)
|| pScreenInfo->dwBPP != GetDeviceCaps(hdc, BITSPIXEL)
|| pScreenInfo->dwRefreshRate != 0)) {
ErrorF("winAllocateFBShadowDD - Changing video mode\n");
/* Change the video mode to the mode requested, and use the driver default refresh rate on failure */
ddrval = IDirectDraw2_SetDisplayMode(pScreenPriv->pdd2,
pScreenInfo->dwWidth,
pScreenInfo->dwHeight,
pScreenInfo->dwBPP,
pScreenInfo->dwRefreshRate, 0);
if (FAILED(ddrval)) {
ErrorF("winAllocateFBShadowDD - Could not set "
"full screen display mode: %08x\n",
(unsigned int) ddrval);
ErrorF
("winAllocateFBShadowDD - Using default driver refresh rate\n");
ddrval =
IDirectDraw2_SetDisplayMode(pScreenPriv->pdd2,
pScreenInfo->dwWidth,
pScreenInfo->dwHeight,
pScreenInfo->dwBPP, 0, 0);
if (FAILED(ddrval)) {
ErrorF
("winAllocateFBShadowDD - Could not set default refresh rate "
"full screen display mode: %08x\n",
(unsigned int) ddrval);
return FALSE;
}
}
}
else {
ErrorF("winAllocateFBShadowDD - Not changing video mode\n");
}
/* Release our DC */
ReleaseDC(NULL, hdc);
hdc = NULL;
}
else {
/* Set the cooperative level for windowed mode */
ddrval = IDirectDraw2_SetCooperativeLevel(pScreenPriv->pdd2,
pScreenPriv->hwndScreen,
DDSCL_NORMAL);
if (FAILED(ddrval)) {
ErrorF("winAllocateFBShadowDD - Could not set "
"cooperative level: %08x\n", (unsigned int) ddrval);
return FALSE;
}
}
/* Create the primary surface */
if (!winCreatePrimarySurfaceShadowDD(pScreen)) {
ErrorF("winAllocateFBShadowDD - winCreatePrimarySurfaceShadowDD "
"failed\n");
return FALSE;
}
/* Describe the shadow surface to be created */
/* NOTE: Do not use a DDSCAPS_VIDEOMEMORY surface,
* as drawing, locking, and unlocking take forever
* with video memory surfaces. In addition,
* video memory is a somewhat scarce resource,
* so you shouldn't be allocating video memory when
* you have the option of using system memory instead.
*/
ZeroMemory(&ddsd, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY;
ddsd.dwHeight = pScreenInfo->dwHeight;
ddsd.dwWidth = pScreenInfo->dwWidth;
/* Create the shadow surface */
ddrval = IDirectDraw2_CreateSurface(pScreenPriv->pdd2,
&ddsd, &pScreenPriv->pddsShadow, NULL);
if (FAILED(ddrval)) {
ErrorF("winAllocateFBShadowDD - Could not create shadow "
"surface: %08x\n", (unsigned int) ddrval);
return FALSE;
}
#if CYGDEBUG
winDebug("winAllocateFBShadowDD - Created shadow\n");
#endif
/* Allocate a DD surface description for our screen privates */
pddsdShadow = pScreenPriv->pddsdShadow = malloc(sizeof(DDSURFACEDESC));
if (pddsdShadow == NULL) {
ErrorF("winAllocateFBShadowDD - Could not allocate surface "
"description memory\n");
return FALSE;
}
ZeroMemory(pddsdShadow, sizeof(*pddsdShadow));
pddsdShadow->dwSize = sizeof(*pddsdShadow);
#if CYGDEBUG
winDebug("winAllocateFBShadowDD - Locking shadow\n");
#endif
/* Lock the shadow surface */
ddrval = IDirectDrawSurface2_Lock(pScreenPriv->pddsShadow,
NULL, pddsdShadow, DDLOCK_WAIT, NULL);
if (FAILED(ddrval) || pddsdShadow->lpSurface == NULL) {
ErrorF("winAllocateFBShadowDD - Could not lock shadow "
"surface: %08x\n", (unsigned int) ddrval);
return FALSE;
}
#if CYGDEBUG
winDebug("winAllocateFBShadowDD - Locked shadow\n");
#endif
/* We don't know how to deal with anything other than RGB */
if (!(pddsdShadow->ddpfPixelFormat.dwFlags & DDPF_RGB)) {
ErrorF("winAllocateFBShadowDD - Color format other than RGB\n");
return FALSE;
}
/* Grab the pitch from the surface desc */
pScreenInfo->dwStride = (pddsdShadow->u1.lPitch * 8)
/ pScreenInfo->dwBPP;
/* Save the pointer to our surface memory */
pScreenInfo->pfb = pddsdShadow->lpSurface;
/* Grab the color depth and masks from the surface description */
pScreenPriv->dwRedMask = pddsdShadow->ddpfPixelFormat.u2.dwRBitMask;
pScreenPriv->dwGreenMask = pddsdShadow->ddpfPixelFormat.u3.dwGBitMask;
pScreenPriv->dwBlueMask = pddsdShadow->ddpfPixelFormat.u4.dwBBitMask;
#if CYGDEBUG
winDebug("winAllocateFBShadowDD - Returning\n");
#endif
return TRUE;
}
static void
winFreeFBShadowDD(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
/* Free the shadow surface, if there is one */
if (pScreenPriv->pddsShadow) {
IDirectDrawSurface2_Unlock(pScreenPriv->pddsShadow, NULL);
IDirectDrawSurface2_Release(pScreenPriv->pddsShadow);
pScreenPriv->pddsShadow = NULL;
}
/* Detach the clipper from the primary surface and release the primary surface, if there is one */
winReleasePrimarySurfaceShadowDD(pScreen);
/* Release the clipper object */
if (pScreenPriv->pddcPrimary) {
IDirectDrawClipper_Release(pScreenPriv->pddcPrimary);
pScreenPriv->pddcPrimary = NULL;
}
/* Free the DirectDraw2 object, if there is one */
if (pScreenPriv->pdd2) {
IDirectDraw2_RestoreDisplayMode(pScreenPriv->pdd2);
IDirectDraw2_Release(pScreenPriv->pdd2);
pScreenPriv->pdd2 = NULL;
}
/* Free the DirectDraw object, if there is one */
if (pScreenPriv->pdd) {
IDirectDraw_Release(pScreenPriv->pdd);
pScreenPriv->pdd = NULL;
}
/* Invalidate the ScreenInfo's fb pointer */
pScreenInfo->pfb = NULL;
}
/*
* Transfer the damaged regions of the shadow framebuffer to the display.
*/
static void
winShadowUpdateDD(ScreenPtr pScreen, shadowBufPtr pBuf)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
RegionPtr damage = shadowDamage(pBuf);
HRESULT ddrval = DD_OK;
RECT rcDest, rcSrc;
POINT ptOrigin;
DWORD dwBox = RegionNumRects(damage);
BoxPtr pBox = RegionRects(damage);
HRGN hrgnTemp = NULL, hrgnCombined = NULL;
/*
* Return immediately if the app is not active
* and we are fullscreen, or if we have a bad display depth
*/
if ((!pScreenPriv->fActive && pScreenInfo->fFullScreen)
|| pScreenPriv->fBadDepth)
return;
/* Return immediately if we didn't get needed surfaces */
if (!pScreenPriv->pddsPrimary || !pScreenPriv->pddsShadow)
return;
/* Get the origin of the window in the screen coords */
ptOrigin.x = pScreenInfo->dwXOffset;
ptOrigin.y = pScreenInfo->dwYOffset;
MapWindowPoints(pScreenPriv->hwndScreen,
HWND_DESKTOP, (LPPOINT) & ptOrigin, 1);
/* Unlock the shadow surface, so we can blit */
ddrval = IDirectDrawSurface2_Unlock(pScreenPriv->pddsShadow, NULL);
if (FAILED(ddrval)) {
ErrorF("winShadowUpdateDD - Unlock failed\n");
return;
}
/*
* Handle small regions with multiple blits,
* handle large regions by creating a clipping region and
* doing a single blit constrained to that clipping region.
*/
if (pScreenInfo->dwClipUpdatesNBoxes == 0
|| dwBox < pScreenInfo->dwClipUpdatesNBoxes) {
/* Loop through all boxes in the damaged region */
while (dwBox--) {
/* Assign damage box to source rectangle */
rcSrc.left = pBox->x1;
rcSrc.top = pBox->y1;
rcSrc.right = pBox->x2;
rcSrc.bottom = pBox->y2;
/* Calculate destination rectange */
rcDest.left = ptOrigin.x + rcSrc.left;
rcDest.top = ptOrigin.y + rcSrc.top;
rcDest.right = ptOrigin.x + rcSrc.right;
rcDest.bottom = ptOrigin.y + rcSrc.bottom;
/* Blit the damaged areas */
ddrval = IDirectDrawSurface2_Blt(pScreenPriv->pddsPrimary,
&rcDest,
pScreenPriv->pddsShadow,
&rcSrc, DDBLT_WAIT, NULL);
/* Get a pointer to the next box */
++pBox;
}
}
else {
BoxPtr pBoxExtents = RegionExtents(damage);
/* Compute a GDI region from the damaged region */
hrgnCombined = CreateRectRgn(pBox->x1, pBox->y1, pBox->x2, pBox->y2);
dwBox--;
pBox++;
while (dwBox--) {
hrgnTemp = CreateRectRgn(pBox->x1, pBox->y1, pBox->x2, pBox->y2);
CombineRgn(hrgnCombined, hrgnCombined, hrgnTemp, RGN_OR);
DeleteObject(hrgnTemp);
pBox++;
}
/* Install the GDI region as a clipping region */
SelectClipRgn(pScreenPriv->hdcScreen, hrgnCombined);
DeleteObject(hrgnCombined);
hrgnCombined = NULL;
/* Calculating a bounding box for the source is easy */
rcSrc.left = pBoxExtents->x1;
rcSrc.top = pBoxExtents->y1;
rcSrc.right = pBoxExtents->x2;
rcSrc.bottom = pBoxExtents->y2;
/* Calculating a bounding box for the destination is trickier */
rcDest.left = ptOrigin.x + rcSrc.left;
rcDest.top = ptOrigin.y + rcSrc.top;
rcDest.right = ptOrigin.x + rcSrc.right;
rcDest.bottom = ptOrigin.y + rcSrc.bottom;
/* Our Blt should be clipped to the invalidated region */
ddrval = IDirectDrawSurface2_Blt(pScreenPriv->pddsPrimary,
&rcDest,
pScreenPriv->pddsShadow,
&rcSrc, DDBLT_WAIT, NULL);
/* Reset the clip region */
SelectClipRgn(pScreenPriv->hdcScreen, NULL);
}
/* Relock the shadow surface */
ddrval = IDirectDrawSurface2_Lock(pScreenPriv->pddsShadow,
NULL,
pScreenPriv->pddsdShadow,
DDLOCK_WAIT, NULL);
if (FAILED(ddrval)) {
ErrorF("winShadowUpdateDD - Lock failed\n");
return;
}
/* Has our memory pointer changed? */
if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface) {
ErrorF("winShadowUpdateDD - Memory location of the shadow "
"surface has changed, trying to update the root window "
"pixmap header to point to the new address. If you get "
"this message and " PROJECT_NAME " freezes or crashes "
"after this message then send a problem report and your "
"%s file to " BUILDERADDR "\n", g_pszLogFile);
/* Location of shadow framebuffer has changed */
winUpdateFBPointer(pScreen, pScreenPriv->pddsdShadow->lpSurface);
}
}
static Bool
winInitScreenShadowDD(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
/* Get a device context for the screen */
pScreenPriv->hdcScreen = GetDC(pScreenPriv->hwndScreen);
return winAllocateFBShadowDD(pScreen);
}
/*
* Call the wrapped CloseScreen function.
*
* Free our resources and private structures.
*/
static Bool
winCloseScreenShadowDD(int nIndex, ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
Bool fReturn;
#if CYGDEBUG
winDebug("winCloseScreenShadowDD - Freeing screen resources\n");
#endif
/* Flag that the screen is closed */
pScreenPriv->fClosed = TRUE;
pScreenPriv->fActive = FALSE;
/* Call the wrapped CloseScreen procedure */
WIN_UNWRAP(CloseScreen);
if (pScreen->CloseScreen)
fReturn = (*pScreen->CloseScreen) (nIndex, pScreen);
winFreeFBShadowDD(pScreen);
/* Free the screen DC */
ReleaseDC(pScreenPriv->hwndScreen, pScreenPriv->hdcScreen);
/* Delete the window property */
RemoveProp(pScreenPriv->hwndScreen, WIN_SCR_PROP);
/* Delete tray icon, if we have one */
if (!pScreenInfo->fNoTrayIcon)
winDeleteNotifyIcon(pScreenPriv);
/* Free the exit confirmation dialog box, if it exists */
if (g_hDlgExit != NULL) {
DestroyWindow(g_hDlgExit);
g_hDlgExit = NULL;
}
/* Kill our window */
if (pScreenPriv->hwndScreen) {
DestroyWindow(pScreenPriv->hwndScreen);
pScreenPriv->hwndScreen = NULL;
}
#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW)
/* Destroy the thread startup mutex */
pthread_mutex_destroy(&pScreenPriv->pmServerStarted);
#endif
/* Kill our screeninfo's pointer to the screen */
pScreenInfo->pScreen = NULL;
/* Free the screen privates for this screen */
free((pointer) pScreenPriv);
return fReturn;
}
/*
* Tell mi what sort of visuals we need.
*
* Generally we only need one visual, as our screen can only
* handle one format at a time, I believe. You may want
* to verify that last sentence.
*/
static Bool
winInitVisualsShadowDD(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
DWORD dwRedBits, dwGreenBits, dwBlueBits;
/* Count the number of ones in each color mask */
dwRedBits = winCountBits(pScreenPriv->dwRedMask);
dwGreenBits = winCountBits(pScreenPriv->dwGreenMask);
dwBlueBits = winCountBits(pScreenPriv->dwBlueMask);
/* Store the maximum number of ones in a color mask as the bitsPerRGB */
if (dwRedBits == 0 || dwGreenBits == 0 || dwBlueBits == 0)
pScreenPriv->dwBitsPerRGB = 8;
else if (dwRedBits > dwGreenBits && dwRedBits > dwBlueBits)
pScreenPriv->dwBitsPerRGB = dwRedBits;
else if (dwGreenBits > dwRedBits && dwGreenBits > dwBlueBits)
pScreenPriv->dwBitsPerRGB = dwGreenBits;
else
pScreenPriv->dwBitsPerRGB = dwBlueBits;
ErrorF("winInitVisualsShadowDD - Masks %08x %08x %08x BPRGB %d d %d "
"bpp %d\n",
(unsigned int) pScreenPriv->dwRedMask,
(unsigned int) pScreenPriv->dwGreenMask,
(unsigned int) pScreenPriv->dwBlueMask,
(int) pScreenPriv->dwBitsPerRGB,
(int) pScreenInfo->dwDepth, (int) pScreenInfo->dwBPP);
/* Create a single visual according to the Windows screen depth */
switch (pScreenInfo->dwDepth) {
case 24:
case 16:
case 15:
/* Create the real visual */
if (!miSetVisualTypesAndMasks(pScreenInfo->dwDepth,
TrueColorMask,
pScreenPriv->dwBitsPerRGB,
TrueColor,
pScreenPriv->dwRedMask,
pScreenPriv->dwGreenMask,
pScreenPriv->dwBlueMask)) {
ErrorF("winInitVisualsShadowDD - miSetVisualTypesAndMasks "
"failed for TrueColor\n");
return FALSE;
}
#ifdef XWIN_EMULATEPSEUDO
if (!pScreenInfo->fEmulatePseudo)
break;
/* Setup a pseudocolor visual */
if (!miSetVisualTypesAndMasks(8, PseudoColorMask, 8, -1, 0, 0, 0)) {
ErrorF("winInitVisualsShadowDD - miSetVisualTypesAndMasks "
"failed for PseudoColor\n");
return FALSE;
}
#endif
break;
case 8:
if (!miSetVisualTypesAndMasks(pScreenInfo->dwDepth,
pScreenInfo->fFullScreen
? PseudoColorMask : StaticColorMask,
pScreenPriv->dwBitsPerRGB,
pScreenInfo->fFullScreen
? PseudoColor : StaticColor,
pScreenPriv->dwRedMask,
pScreenPriv->dwGreenMask,
pScreenPriv->dwBlueMask)) {
ErrorF("winInitVisualsShadowDD - miSetVisualTypesAndMasks "
"failed\n");
return FALSE;
}
break;
default:
ErrorF("winInitVisualsShadowDD - Unknown screen depth\n");
return FALSE;
}
#if CYGDEBUG
winDebug("winInitVisualsShadowDD - Returning\n");
#endif
return TRUE;
}
/*
* Adjust the user proposed video mode
*/
static Bool
winAdjustVideoModeShadowDD(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
HDC hdc = NULL;
DWORD dwBPP;
/* We're in serious trouble if we can't get a DC */
hdc = GetDC(NULL);
if (hdc == NULL) {
ErrorF("winAdjustVideoModeShadowDD - GetDC () failed\n");
return FALSE;
}
/* Query GDI for current display depth */
dwBPP = GetDeviceCaps(hdc, BITSPIXEL);
/* DirectDraw can only change the depth in fullscreen mode */
if (!(pScreenInfo->fFullScreen && (pScreenInfo->dwBPP != WIN_DEFAULT_BPP))) {
/* Otherwise, We'll use GDI's depth */
pScreenInfo->dwBPP = dwBPP;
}
/* Release our DC */
ReleaseDC(NULL, hdc);
return TRUE;
}
/*
* Blt exposed regions to the screen
*/
static Bool
winBltExposedRegionsShadowDD(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
RECT rcSrc, rcDest;
POINT ptOrigin;
HDC hdcUpdate = NULL;
PAINTSTRUCT ps;
HRESULT ddrval = DD_OK;
Bool fReturn = TRUE;
Bool fLocked = TRUE;
int i;
/* BeginPaint gives us an hdc that clips to the invalidated region */
hdcUpdate = BeginPaint(pScreenPriv->hwndScreen, &ps);
if (hdcUpdate == NULL) {
ErrorF("winBltExposedRegionsShadowDD - BeginPaint () returned "
"a NULL device context handle. Aborting blit attempt.\n");
return FALSE;
}
/* Unlock the shadow surface, so we can blit */
ddrval = IDirectDrawSurface2_Unlock(pScreenPriv->pddsShadow, NULL);
if (FAILED(ddrval)) {
fReturn = FALSE;
goto winBltExposedRegionsShadowDD_Exit;
}
else {
/* Flag that we have unlocked the shadow surface */
fLocked = FALSE;
}
/* Get the origin of the window in the screen coords */
ptOrigin.x = pScreenInfo->dwXOffset;
ptOrigin.y = pScreenInfo->dwYOffset;
MapWindowPoints(pScreenPriv->hwndScreen,
HWND_DESKTOP, (LPPOINT) & ptOrigin, 1);
rcDest.left = ptOrigin.x;
rcDest.right = ptOrigin.x + pScreenInfo->dwWidth;
rcDest.top = ptOrigin.y;
rcDest.bottom = ptOrigin.y + pScreenInfo->dwHeight;
/* Source can be enter shadow surface, as Blt should clip */
rcSrc.left = 0;
rcSrc.top = 0;
rcSrc.right = pScreenInfo->dwWidth;
rcSrc.bottom = pScreenInfo->dwHeight;
/* Try to regain the primary surface and blit again if we've lost it */
for (i = 0; i <= WIN_REGAIN_SURFACE_RETRIES; ++i) {
/* Our Blt should be clipped to the invalidated region */
ddrval = IDirectDrawSurface2_Blt(pScreenPriv->pddsPrimary,
&rcDest,
pScreenPriv->pddsShadow,
&rcSrc, DDBLT_WAIT, NULL);
if (ddrval == DDERR_SURFACELOST) {
/* Surface was lost */
ErrorF("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Blt "
"reported that the primary surface was lost, "
"trying to restore, retry: %d\n", i + 1);
/* Try to restore the surface, once */
ddrval = IDirectDrawSurface2_Restore(pScreenPriv->pddsPrimary);
ErrorF("winBltExposedRegionsShadowDD - "
"IDirectDrawSurface2_Restore returned: ");
if (ddrval == DD_OK)
ErrorF("DD_OK\n");
else if (ddrval == DDERR_WRONGMODE)
ErrorF("DDERR_WRONGMODE\n");
else if (ddrval == DDERR_INCOMPATIBLEPRIMARY)
ErrorF("DDERR_INCOMPATIBLEPRIMARY\n");
else if (ddrval == DDERR_UNSUPPORTED)
ErrorF("DDERR_UNSUPPORTED\n");
else if (ddrval == DDERR_INVALIDPARAMS)
ErrorF("DDERR_INVALIDPARAMS\n");
else if (ddrval == DDERR_INVALIDOBJECT)
ErrorF("DDERR_INVALIDOBJECT\n");
else
ErrorF("unknown error: %08x\n", (unsigned int) ddrval);
/* Loop around to try the blit one more time */
continue;
}
else if (FAILED(ddrval)) {
fReturn = FALSE;
ErrorF("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Blt "
"failed, but surface not lost: %08x %d\n",
(unsigned int) ddrval, (int) ddrval);
goto winBltExposedRegionsShadowDD_Exit;
}
else {
/* Success, stop looping */
break;
}
}
/* Relock the shadow surface */
ddrval = IDirectDrawSurface2_Lock(pScreenPriv->pddsShadow,
NULL,
pScreenPriv->pddsdShadow,
DDLOCK_WAIT, NULL);
if (FAILED(ddrval)) {
fReturn = FALSE;
ErrorF("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Lock "
"failed\n");
goto winBltExposedRegionsShadowDD_Exit;
}
else {
/* Indicate that we have relocked the shadow surface */
fLocked = TRUE;
}
/* Has our memory pointer changed? */
if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface)
winUpdateFBPointer(pScreen, pScreenPriv->pddsdShadow->lpSurface);
winBltExposedRegionsShadowDD_Exit:
/* EndPaint frees the DC */
if (hdcUpdate != NULL)
EndPaint(pScreenPriv->hwndScreen, &ps);
/*
* Relock the surface if it is not locked. We don't care if locking fails,
* as it will cause the server to shutdown within a few more operations.
*/
if (!fLocked) {
IDirectDrawSurface2_Lock(pScreenPriv->pddsShadow,
NULL,
pScreenPriv->pddsdShadow, DDLOCK_WAIT, NULL);
/* Has our memory pointer changed? */
if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface)
winUpdateFBPointer(pScreen, pScreenPriv->pddsdShadow->lpSurface);
fLocked = TRUE;
}
return fReturn;
}
/*
* Do any engine-specific appliation-activation processing
*/
static Bool
winActivateAppShadowDD(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
/*
* Do we have a surface?
* Are we active?
* Are we fullscreen?
*/
if (pScreenPriv != NULL
&& pScreenPriv->pddsPrimary != NULL && pScreenPriv->fActive) {
/* Primary surface was lost, restore it */
IDirectDrawSurface2_Restore(pScreenPriv->pddsPrimary);
}
return TRUE;
}
/*
* Reblit the shadow framebuffer to the screen.
*/
static Bool
winRedrawScreenShadowDD(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
HRESULT ddrval = DD_OK;
RECT rcSrc, rcDest;
POINT ptOrigin;
/* Get the origin of the window in the screen coords */
ptOrigin.x = pScreenInfo->dwXOffset;
ptOrigin.y = pScreenInfo->dwYOffset;
MapWindowPoints(pScreenPriv->hwndScreen,
HWND_DESKTOP, (LPPOINT) & ptOrigin, 1);
rcDest.left = ptOrigin.x;
rcDest.right = ptOrigin.x + pScreenInfo->dwWidth;
rcDest.top = ptOrigin.y;
rcDest.bottom = ptOrigin.y + pScreenInfo->dwHeight;
/* Source can be entire shadow surface, as Blt should clip for us */
rcSrc.left = 0;
rcSrc.top = 0;
rcSrc.right = pScreenInfo->dwWidth;
rcSrc.bottom = pScreenInfo->dwHeight;
/* Redraw the whole window, to take account for the new colors */
ddrval = IDirectDrawSurface2_Blt(pScreenPriv->pddsPrimary,
&rcDest,
pScreenPriv->pddsShadow,
&rcSrc, DDBLT_WAIT, NULL);
if (FAILED(ddrval)) {
ErrorF("winRedrawScreenShadowDD - IDirectDrawSurface_Blt () "
"failed: %08x\n", (unsigned int) ddrval);
}
return TRUE;
}
/*
* Realize the currently installed colormap
*/
static Bool
winRealizeInstalledPaletteShadowDD(ScreenPtr pScreen)
{
return TRUE;
}
/*
* Install the specified colormap
*/
static Bool
winInstallColormapShadowDD(ColormapPtr pColormap)
{
ScreenPtr pScreen = pColormap->pScreen;
winScreenPriv(pScreen);
winCmapPriv(pColormap);
HRESULT ddrval = DD_OK;
/* Install the DirectDraw palette on the primary surface */
ddrval = IDirectDrawSurface2_SetPalette(pScreenPriv->pddsPrimary,
pCmapPriv->lpDDPalette);
if (FAILED(ddrval)) {
ErrorF("winInstallColormapShadowDD - Failed installing the "
"DirectDraw palette.\n");
return FALSE;
}
/* Save a pointer to the newly installed colormap */
pScreenPriv->pcmapInstalled = pColormap;
return TRUE;
}
/*
* Store the specified colors in the specified colormap
*/
static Bool
winStoreColorsShadowDD(ColormapPtr pColormap, int ndef, xColorItem * pdefs)
{
ScreenPtr pScreen = pColormap->pScreen;
winScreenPriv(pScreen);
winCmapPriv(pColormap);
ColormapPtr curpmap = pScreenPriv->pcmapInstalled;
HRESULT ddrval = DD_OK;
/* Put the X colormap entries into the Windows logical palette */
ddrval = IDirectDrawPalette_SetEntries(pCmapPriv->lpDDPalette,
0,
pdefs[0].pixel,
ndef,
pCmapPriv->peColors
+ pdefs[0].pixel);
if (FAILED(ddrval)) {
ErrorF("winStoreColorsShadowDD - SetEntries () failed\n");
return FALSE;
}
/* Don't install the DirectDraw palette if the colormap is not installed */
if (pColormap != curpmap) {
return TRUE;
}
if (!winInstallColormapShadowDD(pColormap)) {
ErrorF("winStoreColorsShadowDD - Failed installing colormap\n");
return FALSE;
}
return TRUE;
}
/*
* Colormap initialization procedure
*/
static Bool
winCreateColormapShadowDD(ColormapPtr pColormap)
{
HRESULT ddrval = DD_OK;
ScreenPtr pScreen = pColormap->pScreen;
winScreenPriv(pScreen);
winCmapPriv(pColormap);
/* Create a DirectDraw palette */
ddrval = IDirectDraw2_CreatePalette(pScreenPriv->pdd,
DDPCAPS_8BIT | DDPCAPS_ALLOW256,
pCmapPriv->peColors,
&pCmapPriv->lpDDPalette, NULL);
if (FAILED(ddrval)) {
ErrorF("winCreateColormapShadowDD - CreatePalette failed\n");
return FALSE;
}
return TRUE;
}
/*
* Colormap destruction procedure
*/
static Bool
winDestroyColormapShadowDD(ColormapPtr pColormap)
{
winScreenPriv(pColormap->pScreen);
winCmapPriv(pColormap);
HRESULT ddrval = DD_OK;
/*
* Is colormap to be destroyed the default?
*
* Non-default colormaps should have had winUninstallColormap
* called on them before we get here. The default colormap
* will not have had winUninstallColormap called on it. Thus,
* we need to handle the default colormap in a special way.
*/
if (pColormap->flags & IsDefault) {
#if CYGDEBUG
winDebug("winDestroyColormapShadowDD - Destroying default "
"colormap\n");
#endif
/*
* FIXME: Walk the list of all screens, popping the default
* palette out of each screen device context.
*/
/* Pop the palette out of the primary surface */
ddrval = IDirectDrawSurface2_SetPalette(pScreenPriv->pddsPrimary, NULL);
if (FAILED(ddrval)) {
ErrorF("winDestroyColormapShadowDD - Failed freeing the "
"default colormap DirectDraw palette.\n");
return FALSE;
}
/* Clear our private installed colormap pointer */
pScreenPriv->pcmapInstalled = NULL;
}
/* Release the palette */
IDirectDrawPalette_Release(pCmapPriv->lpDDPalette);
/* Invalidate the colormap privates */
pCmapPriv->lpDDPalette = NULL;
return TRUE;
}
/*
* Set engine specific functions
*/
Bool
winSetEngineFunctionsShadowDD(ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
/* Set our pointers */
pScreenPriv->pwinAllocateFB = winAllocateFBShadowDD;
pScreenPriv->pwinFreeFB = winFreeFBShadowDD;
pScreenPriv->pwinShadowUpdate = winShadowUpdateDD;
pScreenPriv->pwinInitScreen = winInitScreenShadowDD;
pScreenPriv->pwinCloseScreen = winCloseScreenShadowDD;
pScreenPriv->pwinInitVisuals = winInitVisualsShadowDD;
pScreenPriv->pwinAdjustVideoMode = winAdjustVideoModeShadowDD;
if (pScreenInfo->fFullScreen)
pScreenPriv->pwinCreateBoundingWindow =
winCreateBoundingWindowFullScreen;
else
pScreenPriv->pwinCreateBoundingWindow = winCreateBoundingWindowWindowed;
pScreenPriv->pwinFinishScreenInit = winFinishScreenInitFB;
pScreenPriv->pwinBltExposedRegions = winBltExposedRegionsShadowDD;
pScreenPriv->pwinActivateApp = winActivateAppShadowDD;
pScreenPriv->pwinRedrawScreen = winRedrawScreenShadowDD;
pScreenPriv->pwinRealizeInstalledPalette
= winRealizeInstalledPaletteShadowDD;
pScreenPriv->pwinInstallColormap = winInstallColormapShadowDD;
pScreenPriv->pwinStoreColors = winStoreColorsShadowDD;
pScreenPriv->pwinCreateColormap = winCreateColormapShadowDD;
pScreenPriv->pwinDestroyColormap = winDestroyColormapShadowDD;
pScreenPriv->pwinHotKeyAltTab =
(winHotKeyAltTabProcPtr) (void (*)(void)) NoopDDA;
pScreenPriv->pwinCreatePrimarySurface = winCreatePrimarySurfaceShadowDD;
pScreenPriv->pwinReleasePrimarySurface = winReleasePrimarySurfaceShadowDD;
#ifdef XWIN_MULTIWINDOW
pScreenPriv->pwinFinishCreateWindowsWindow =
(winFinishCreateWindowsWindowProcPtr) (void (*)(void)) NoopDDA;
#endif
return TRUE;
}
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