xenocara/xserver/hw/xgl/egl/xegl.c

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/*
* Copyright © 2004 David Reveman
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* David Reveman not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* David Reveman makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: David Reveman <davidr@novell.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <math.h>
#include <glitz-egl.h>
#include "inputstr.h"
#include "cursorstr.h"
#include "mipointer.h"
#include "xegl.h"
#define XEGL_DEFAULT_SCREEN_WIDTH 800
#define XEGL_DEFAULT_SCREEN_HEIGHT 600
int xeglScreenGeneration = -1;
int xeglScreenPrivateIndex;
#define XEGL_GET_SCREEN_PRIV(pScreen) \
((xeglScreenPtr) (pScreen)->devPrivates[xeglScreenPrivateIndex].ptr)
#define XEGL_SET_SCREEN_PRIV(pScreen, v) \
((pScreen)->devPrivates[xeglScreenPrivateIndex].ptr = (pointer) v)
#define XEGL_SCREEN_PRIV(pScreen) \
xeglScreenPtr pScreenPriv = XEGL_GET_SCREEN_PRIV (pScreen)
static EGLDisplay eDisplay;
static EGLScreenMESA eScreen;
static ScreenPtr currentScreen = 0;
static Bool softCursor = TRUE;
extern miPointerScreenFuncRec kdPointerScreenFuncs;
static Bool
xeglAllocatePrivates (ScreenPtr pScreen)
{
xeglScreenPtr pScreenPriv;
if (xeglScreenGeneration != serverGeneration)
{
xeglScreenPrivateIndex = AllocateScreenPrivateIndex ();
if (xeglScreenPrivateIndex < 0)
return FALSE;
xeglScreenGeneration = serverGeneration;
}
pScreenPriv = xalloc (sizeof (xeglScreenRec));
if (!pScreenPriv)
return FALSE;
XEGL_SET_SCREEN_PRIV (pScreen, pScreenPriv);
return TRUE;
}
static Bool
xeglCloseScreen (int index,
ScreenPtr pScreen)
{
glitz_drawable_t *drawable;
XEGL_SCREEN_PRIV (pScreen);
drawable = XGL_GET_SCREEN_PRIV (pScreen)->drawable;
if (drawable)
glitz_drawable_destroy (drawable);
xglClearVisualTypes ();
XGL_SCREEN_UNWRAP (CloseScreen);
xfree (pScreenPriv);
return (*pScreen->CloseScreen) (index, pScreen);
}
static Bool
xeglScreenInit (int index,
ScreenPtr pScreen,
int argc,
char **argv)
{
EGLSurface eSurface;
EGLModeMESA mode;
int count;
xeglScreenPtr pScreenPriv;
glitz_drawable_format_t *format;
glitz_drawable_t *drawable;
EGLint screenAttribs[] = {
EGL_WIDTH, 1024,
EGL_HEIGHT, 768,
EGL_NONE
};
if (xglScreenInfo.width == 0 || xglScreenInfo.height == 0)
{
xglScreenInfo.width = XEGL_DEFAULT_SCREEN_WIDTH;
xglScreenInfo.height = XEGL_DEFAULT_SCREEN_HEIGHT;
}
screenAttribs[1] = xglScreenInfo.width;
screenAttribs[3] = xglScreenInfo.height;
format = xglVisuals[0].format;
if (!xeglAllocatePrivates (pScreen))
return FALSE;
currentScreen = pScreen;
pScreenPriv = XEGL_GET_SCREEN_PRIV (pScreen);
if (xglScreenInfo.width == 0 || xglScreenInfo.height == 0)
{
xglScreenInfo.width = XEGL_DEFAULT_SCREEN_WIDTH;
xglScreenInfo.height = XEGL_DEFAULT_SCREEN_HEIGHT;
}
eglGetModesMESA (eDisplay, eScreen, &mode, 1, &count);
eSurface = eglCreateScreenSurfaceMESA (eDisplay, format->id, screenAttribs);
if (eSurface == EGL_NO_SURFACE)
{
ErrorF ("failed to create screen surface\n");
return FALSE;
}
eglShowScreenSurfaceMESA (eDisplay, eScreen, eSurface, mode);
drawable = glitz_egl_create_surface (eDisplay, eScreen, format, eSurface,
xglScreenInfo.width,
xglScreenInfo.height);
if (!drawable)
{
ErrorF ("[%d] couldn't create glitz drawable for window\n", index);
return FALSE;
}
xglScreenInfo.drawable = drawable;
if (!xglScreenInit (pScreen))
return FALSE;
#ifdef GLXEXT
if (!xglInitVisualConfigs (pScreen))
return FALSE;
#endif
XGL_SCREEN_WRAP (CloseScreen, xeglCloseScreen);
miDCInitialize (pScreen, &kdPointerScreenFuncs);
miCreateDefColormap(pScreen);
if (!xglFinishScreenInit (pScreen))
return FALSE;
return TRUE;
}
void
xeglInitOutput (ScreenInfo *pScreenInfo,
int argc,
char **argv)
{
glitz_drawable_format_t *format, templ;
int i, maj, min, count;
unsigned long mask;
xglSetPixmapFormats (pScreenInfo);
if (!eDisplay)
{
eDisplay = eglGetDisplay (":0");
if (!eglInitialize (eDisplay, &maj, &min))
FatalError ("can't open display");
eglGetScreensMESA (eDisplay, &eScreen, 1, &count);
}
templ.samples = 1;
templ.doublebuffer = 1;
templ.color.alpha_size = 8;
mask = GLITZ_FORMAT_SAMPLES_MASK;
format = glitz_egl_find_window_config (eDisplay, eScreen,
mask, &templ, 0);
if (!format)
FatalError ("no visual format found");
xglSetVisualTypesAndMasks (pScreenInfo, format, (1 << TrueColor));
xglInitVisuals (pScreenInfo);
AddScreen (xeglScreenInit, argc, argv);
}
static void
xeglBlockHandler (pointer blockData,
OSTimePtr pTimeout,
pointer pReadMask)
{
XGL_SCREEN_PRIV (currentScreen);
if (!xglSyncSurface (&pScreenPriv->pScreenPixmap->drawable))
FatalError (XGL_SW_FAILURE_STRING);
glitz_surface_flush (pScreenPriv->surface);
glitz_drawable_finish (pScreenPriv->drawable);
}
void
xeglInitInput (int argc,
char **argv)
{
eglInitInput (&LinuxEvdevMouseFuncs, &LinuxEvdevKeyboardFuncs);
RegisterBlockAndWakeupHandlers (xeglBlockHandler, KdWakeupHandler, NULL);
}
Bool
xeglLegalModifier (unsigned int key,
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DeviceIntPtr pDev)
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{
return KdLegalModifier (key, pDev);
}
void
xeglProcessInputEvents (void)
{
KdProcessInputEvents ();
}
void
xeglUseMsg (void)
{
ErrorF ("-screen WIDTH[/WIDTHMM]xHEIGHT[/HEIGHTMM] "
"specify screen characteristics\n");
ErrorF ("-softcursor force software cursor\n");
}
int
xeglProcessArgument (int argc,
char **argv,
int i)
{
if (!strcmp (argv[i], "-screen"))
{
if ((i + 1) < argc)
{
xglParseScreen (argv[i + 1]);
}
else
return 1;
return 2;
}
else if (!strcmp (argv[i], "-softcursor"))
{
softCursor = TRUE;
return 1;
}
return 0;
}
void
xeglAbort (void)
{
}
void
xeglGiveUp (void)
{
AbortDDX ();
}
void
xeglOsVendorInit (void)
{
}