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/**************************************************************
*
* Quartz-specific support for the Darwin X Server
*
* By Gregory Robert Parker
*
**************************************************************/
/* $XFree86: xc/programs/Xserver/hw/darwin/bundle/quartz.c,v 1.7 2001/04/16 06:51:48 torrey Exp $ */
// X headers
#include "scrnintstr.h"
// System headers
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <IOKit/pwr_mgt/IOPMLib.h>
// We need CoreGraphics in ApplicationServices, but we leave out
// QuickDraw, which has symbol conflicts with the basic X includes.
#define __QD__
#define __PRINTCORE__
#include <ApplicationServices/ApplicationServices.h>
#include "../darwin.h"
#include "quartz.h"
#include "quartzAudio.h"
#include "quartzCursor.h"
#define kDarwinMaxScreens 100
static ScreenPtr darwinScreens[kDarwinMaxScreens];
static int darwinNumScreens = 0;
static BOOL xhidden = FALSE;
/*
* QuartzStoreColors
* FIXME: need to implement if Quartz supports PsuedoColor
*/
static void QuartzStoreColors(
ColormapPtr pmap,
int numEntries,
xColorItem *pdefs)
{
}
/*
===========================================================================
Screen functions
===========================================================================
*/
/*
* QuartzPMThread
* Handle power state notifications, FIXME
*/
#if 0
static void *QuartzPMThread(void *arg)
{
for (;;) {
mach_msg_return_t kr;
mach_msg_empty_rcv_t msg;
kr = mach_msg((mach_msg_header_t*) &msg, MACH_RCV_MSG, 0,
sizeof(msg), pmNotificationPort, 0, MACH_PORT_NULL);
kern_assert(kr);
// computer just woke up
if (msg.header.msgh_id == 1) {
if (!xhidden) {
int i;
for (i = 0; i < darwinNumScreens; i++) {
if (darwinScreens[i])
xf86SetRootClip(darwinScreens[i], true);
}
}
}
}
return NULL;
}
#endif
/*
* QuartzAddScreen
* Quartz keeps a list of all screens for QuartzShow and QuartzHide.
* FIXME: So does ddx, use that instead.
*/
Bool QuartzAddScreen(ScreenPtr pScreen)
{
if (darwinNumScreens == kDarwinMaxScreens) {
return FALSE;
}
darwinScreens[darwinNumScreens++] = pScreen;
// setup cursor support
if (! QuartzInitCursor(pScreen)) {
return FALSE;
}
// initialize colormap handling as needed
if (dfb.pixelInfo.pixelType == kIOCLUTPixels) {
pScreen->StoreColors = QuartzStoreColors;
}
return TRUE;
}
/*
* QuartzCapture
* Capture the screen so we can draw.
*/
static void QuartzCapture(void)
{
if (! CGDisplayIsCaptured(kCGDirectMainDisplay)) {
CGDisplayCapture(kCGDirectMainDisplay);
}
}
/*
* QuartzRelease
* Release the screen so others can draw.
*/
static void QuartzRelease(void)
{
if (CGDisplayIsCaptured(kCGDirectMainDisplay)) {
CGDisplayRelease(kCGDirectMainDisplay);
}
}
/*
* QuartzDisplayInit
* Init the framebuffer and claim the display from CoreGraphics.
*/
static void QuartzDisplayInit(void)
{
dfb.pixelInfo.pixelType = kIORGBDirectPixels;
dfb.pixelInfo.bitsPerComponent=CGDisplayBitsPerSample(kCGDirectMainDisplay);
dfb.pixelInfo.componentCount=CGDisplaySamplesPerPixel(kCGDirectMainDisplay);
#if FALSE
// FIXME: endian and 24 bit color specific
dfb.pixelInfo.componentMasks[0] = 0x00ff0000;
dfb.pixelInfo.componentMasks[1] = 0x0000ff00;
dfb.pixelInfo.componentMasks[2] = 0x000000ff;
#endif
dfb.width = CGDisplayPixelsWide(kCGDirectMainDisplay);
dfb.height = CGDisplayPixelsHigh(kCGDirectMainDisplay);
dfb.pitch = CGDisplayBytesPerRow(kCGDirectMainDisplay);
dfb.bitsPerPixel = CGDisplayBitsPerPixel(kCGDirectMainDisplay);
dfb.colorBitsPerPixel = (dfb.pixelInfo.componentCount *
dfb.pixelInfo.bitsPerComponent);
dfb.framebuffer = CGDisplayBaseAddress(kCGDirectMainDisplay);
// need to capture because X doesn't like read-only framebuffer...
QuartzCapture();
atexit(QuartzRelease);
}
/*
* QuartzOsVendorInit
* Quartz display initialization.
*/
void QuartzOsVendorInit(void)
{
ErrorF("Display mode: Quartz\n");
QuartzAudioInit();
QuartzDisplayInit();
}
/*
* QuartzShow
* Show the X server on screen. Does nothing if already shown.
* Recapture the screen, restore the X clip regions, and restore
* the X server cursor state.
*/
void QuartzShow(
int x, // cursor location
int y )
{
int i;
QuartzCapture();
if (xhidden) {
for (i = 0; i < darwinNumScreens; i++) {
if (darwinScreens[i]) {
xf86SetRootClip(darwinScreens[i], true);
QuartzResumeXCursor(darwinScreens[i], x, y);
}
}
}
xhidden = FALSE;
}
/*
* QuartzHide
* Remove the X server display from the screen. Does nothing if already hidden.
* Release the screen, set X clip regions to prevent drawing, and restore the
* Aqua cursor.
*/
void QuartzHide(void)
{
int i;
if (!xhidden) {
for (i = 0; i < darwinNumScreens; i++) {
if (darwinScreens[i]) {
QuartzSuspendXCursor(darwinScreens[i]);
xf86SetRootClip(darwinScreens[i], false);
}
}
}
QuartzRelease();
xhidden = TRUE;
}
/*
* QuartzGiveUp
* Cleanup before X server shutdown
* Release the screen
*/
void QuartzGiveUp(void)
{
QuartzRelease();
}
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