Sweden-Number/dlls/ddraw/dga2.c

191 lines
4.9 KiB
C

/* DirectDraw using DGA2
*
* Based (well, plagiarized :-) ) on Marcus' dga.c
*/
#include "config.h"
#include "winerror.h"
#include <unistd.h>
#include <assert.h>
#ifdef HAVE_SYS_SIGNAL_H
# include <sys/signal.h>
#endif
#include <fcntl.h>
#include <string.h>
#include <stdio.h>
#include "gdi.h"
#include "heap.h"
#include "dc.h"
#include "win.h"
#include "wine/exception.h"
#include "ddraw.h"
#include "d3d.h"
#include "debugtools.h"
#include "spy.h"
#include "message.h"
#include "options.h"
#include "monitor.h"
#include "dga2_private.h"
DEFAULT_DEBUG_CHANNEL(ddraw);
static inline BOOL get_option( const char *name, BOOL def ) {
return PROFILE_GetWineIniBool( "x11drv", name, def );
}
static BYTE
DDRAW_DGA2_Available(void)
{
int evbase, evret, majver, minver;
static BYTE return_value = 0xFF;
/* This prevents from probing X times for DGA */
if (return_value != 0xFF)
return return_value;
if (!get_option( "UseDGA", 1 )) {
TRACE("UseDGA disabled.\n");
return_value = 0;
return 0;
}
/* First, query the extenstion and its version */
if (!TSXF86DGAQueryExtension(display,&evbase,&evret)) {
TRACE("DGA extension not detected.\n");
return_value = 0;
return 0;
}
if (!TSXF86DGAQueryVersion(display,&majver,&minver)) {
TRACE("DGA version not detected.\n");
return_value = 0;
return 0;
}
if (majver >= 2) {
/* We have DGA 2.0 available ! */
if (TSXDGAOpenFramebuffer(display, DefaultScreen(display))) {
TSXDGACloseFramebuffer(display, DefaultScreen(display));
return_value = 2;
} else
return_value = 0;
return return_value;
}
return 0;
}
HRESULT
DGA2_Create( LPDIRECTDRAW *lplpDD ) {
IDirectDrawImpl* ddraw;
dga2_dd_private* dgpriv;
int major,minor;
int dga_version;
XDGAMode *modes;
int i, num_modes;
int mode_to_use = 0;
/* Get DGA availability / version */
dga_version = DDRAW_DGA2_Available();
if (dga_version == 0)
return DDERR_GENERIC;
/* If we were just testing ... return OK */
if (lplpDD == NULL)
return DD_OK;
ddraw = (IDirectDrawImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirectDrawImpl));
*lplpDD = (LPDIRECTDRAW)ddraw;
ddraw->ref = 1;
ICOM_VTBL(ddraw) = &dga2_ddvt;
ddraw->d = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*(ddraw->d)));
ddraw->d->ref = 1;
ddraw->d->private = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(dga2_dd_private));
dgpriv = (dga2_dd_private*)ddraw->d->private;
TSXDGAQueryVersion(display,&major,&minor);
TRACE("XDGA is version %d.%d\n",major,minor);
TRACE("Opening the frame buffer.\n");
if (!TSXDGAOpenFramebuffer(display, DefaultScreen(display))) {
ERR("Error opening the frame buffer !!!\n");
return DDERR_GENERIC;
}
/* List all available modes */
modes = TSXDGAQueryModes(display, DefaultScreen(display), &num_modes);
dgpriv->modes = modes;
dgpriv->num_modes = num_modes;
TRACE("Available modes :\n");
for (i = 0; i < num_modes; i++) {
if (TRACE_ON(ddraw)) {
DPRINTF(" %d) - %s (FB: %dx%d / VP: %dx%d) - depth %d -",
modes[i].num,
modes[i].name, modes[i].imageWidth, modes[i].imageHeight,
modes[i].viewportWidth, modes[i].viewportHeight,
modes[i].depth
);
#define XX(x) if (modes[i].flags & x) DPRINTF(" "#x" ");
XX(XDGAConcurrentAccess);
XX(XDGASolidFillRect);
XX(XDGABlitRect);
XX(XDGABlitTransRect);
XX(XDGAPixmap);
#undef XX
DPRINTF("\n");
}
if ((MONITOR_GetHeight(&MONITOR_PrimaryMonitor) == modes[i].viewportHeight) &&
(MONITOR_GetWidth(&MONITOR_PrimaryMonitor) == modes[i].viewportWidth) &&
(MONITOR_GetDepth(&MONITOR_PrimaryMonitor) == modes[i].depth)
) {
mode_to_use = modes[i].num;
}
}
if (mode_to_use == 0) {
ERR("Could not find mode !\n");
mode_to_use = 1;
} else {
TRACE("Using mode number %d\n", mode_to_use);
}
dgpriv->DGA.InstallColormap = TSXDGAInstallColormap;
/* Initialize the frame buffer */
_DGA2_Initialize_FrameBuffer(ddraw, mode_to_use);
/* Register frame buffer with the kernel, it is a potential DIB section */
VirtualAlloc(dgpriv->DGA.fb_addr, dgpriv->DGA.fb_memsize, MEM_RESERVE|MEM_SYSTEM, PAGE_READWRITE);
/* Set the input handling for relative mouse movements */
X11DRV_EVENT_SetInputMethod(X11DRV_INPUT_RELATIVE);
return DD_OK;
}
/* Where do these GUIDs come from? mkuuid.
* They exist solely to distinguish between the targets Wine support,
* and should be different than any other GUIDs in existence.
*/
static GUID DGA2_DirectDraw_GUID = { /* e2dcb020-dc60-11d1-8407-9714f5d50803 */
0xe2dcb020,
0xdc60,
0x11d1,
{0x84, 0x07, 0x97, 0x14, 0xf5, 0xd5, 0x08, 0x03}
};
ddraw_driver dga2_driver = {
&DGA2_DirectDraw_GUID,
"display",
"WINE XF86DGA2 DirectDraw Driver",
150,
DGA2_Create
};
DECL_GLOBAL_CONSTRUCTOR(DGA2_register) { ddraw_register_driver(&dga2_driver); }