9bd1ba7c47
which included commits to RCS files with non-trunk default branches.
253 lines
5.2 KiB
C
253 lines
5.2 KiB
C
/*
|
|
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
|
|
SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
|
|
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
|
|
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
|
|
IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
|
|
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
|
|
FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
|
|
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
|
|
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
|
|
COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
|
|
*/
|
|
|
|
|
|
#pragma off (unreferenced)
|
|
static char rcsid[] = "$Id: direct3d.c,v 1.1.1.1 2001-01-19 03:30:15 bradleyb Exp $";
|
|
#pragma on (unreferenced)
|
|
|
|
|
|
|
|
|
|
#define _WIN32
|
|
#define WIN95
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#define INITGUID
|
|
|
|
#include <windows.h>
|
|
#include <windowsx.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#include "ddraw.h"
|
|
#include "d3d.h"
|
|
|
|
#include "pstypes.h"
|
|
#include "mono.h"
|
|
#include "args.h"
|
|
#include "error.h"
|
|
#include "winapp.h"
|
|
|
|
#include "dd.h"
|
|
#include "direct3d.h"
|
|
|
|
|
|
|
|
// Globals
|
|
// ----------------------------------------------------------------------------
|
|
|
|
static LPDIRECT3D _lpD3D = NULL; // D3D Object
|
|
static LPDIRECT3DDEVICE _lpD3DDev = NULL; // D3D Device
|
|
static GUID _3DGUID; // Device GUID
|
|
|
|
static d3d_caps d3dCaps; // Direct 3d Device Caps
|
|
static BOOL d3d_initialized=0;// D3D flag
|
|
static FILE *LogFile=NULL; // Log File!
|
|
|
|
|
|
|
|
// Function prototypes
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#ifdef NDEBUG
|
|
#define WRITELOG(t)
|
|
#define LOGINIT(n)
|
|
#define LOGCLOSE
|
|
#else
|
|
#define WRITELOG(t) if (LogFile) { fprintf t; fflush(LogFile); }
|
|
#define LOGINIT(n) LogFile = fopen(n, "wt");
|
|
#define LOGCLOSE if (LogFile) fclose(LogFile);
|
|
#endif
|
|
|
|
HRESULT FAR PASCAL d3d_enum_callback(LPGUID pguid, LPSTR lpDeviceDesc,
|
|
LPSTR lpDeviceName, LPD3DDEVICEDESC lpHWDevDesc,
|
|
LPD3DDEVICEDESC lpHELDevDesc, LPVOID lpUserArg);
|
|
|
|
int d3d_close();
|
|
int d3d_device_close();
|
|
int d3d_enum_devices(GUID *pguid);
|
|
int d3d_enum_texformats();
|
|
int d3d_init_device(GUID guid);
|
|
int d3d_handle_error(HRESULT err);
|
|
|
|
|
|
|
|
|
|
/* d3d_init
|
|
Direct 3D Initialization of Immediate Mode
|
|
|
|
We need to do a few things, first get the D3D interface from our
|
|
DirectDraw Object
|
|
|
|
Then we need to find an active device.
|
|
|
|
Then we need to query the caps of such a device, and tell our GFX system
|
|
about the available video modes (15-bit color)
|
|
*/
|
|
|
|
|
|
BOOL d3d_init(void)
|
|
{
|
|
HRESULT res;
|
|
GUID guid;
|
|
|
|
Assert(d3d_initialized == FALSE);
|
|
|
|
LOGINIT("d3d.log");
|
|
|
|
atexit(d3d_close);
|
|
|
|
// initialize Direct3d interface
|
|
res = IDirectDraw_QueryInterface(_lpDD, &IID_IDirect3D, &_lpD3D);
|
|
if (res != DD_OK)
|
|
return d3d_handle_error(res);
|
|
|
|
// enumerate all 3d devices useable by Direct3d
|
|
if (d3d_enum_devices(&guid)) return FALSE;
|
|
|
|
memcpy(&_3DGUID, &guid, sizeof(GUID));
|
|
|
|
d3d_initialized = TRUE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
int d3d_close(void)
|
|
{
|
|
if (d3d_initialized) {
|
|
IDirect3D_Release(_lpD3D);
|
|
_lpD3D = NULL;
|
|
d3d_initialized = FALSE;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
int d3d_enum_devices(GUID *pguid)
|
|
{
|
|
HRESULT res;
|
|
GUID guid;
|
|
|
|
res = IDirect3D_EnumDevices(_lpD3D, d3d_enum_callback, (LPVOID)&guid);
|
|
if (res != DD_OK) {
|
|
WRITELOG((LogFile, "Unable to find a proper 3D hardware device.\n"));
|
|
return d3d_handle_error(res);
|
|
}
|
|
|
|
WRITELOG((LogFile, "Found 3D Device (%s)\n", d3dCaps.devname));
|
|
|
|
memcpy(pguid, &guid, sizeof(GUID));
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/* d3d_device functions
|
|
|
|
these functions are used once we really need to use the 3d system.
|
|
When done with it, we call device_close.
|
|
*/
|
|
|
|
int d3d_init_device(GUID guid)
|
|
{
|
|
HRESULT res;
|
|
DDSURFACEDESC ddsd;
|
|
|
|
if (!d3d_initialized) return -1;
|
|
|
|
// Grab back buffer.
|
|
res = IDirectDrawSurface_QueryInterface(_lpDDSBack, &_3DGUID, &_lpD3DDev);
|
|
if (res != DD_OK) {
|
|
WRITELOG((LogFile, "Unable to retrieve device from back buffer. %x\n",res));
|
|
return d3d_handle_error(res);
|
|
}
|
|
|
|
// Enumerate texture formats
|
|
Assert(d3dCaps.tmap_acc == TRUE);
|
|
d3dCaps.tmap_formats = 0;
|
|
if (d3d_enum_texformats()) return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int d3d_device_close()
|
|
{
|
|
if (_lpD3DDev) {
|
|
IDirect3DDevice_Release(_lpD3DDev);
|
|
_lpD3DDev = NULL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
int d3d_enum_texformats()
|
|
{
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/* Miscellaneous Utilities */
|
|
|
|
int d3d_handle_error(HRESULT err)
|
|
{
|
|
if (err != DD_OK) return err;
|
|
else return 0;
|
|
}
|
|
|
|
|
|
|
|
/* Direct 3D callbacks
|
|
|
|
enum_callback: enumerates all 3D devices attached to system.
|
|
|
|
|
|
*/
|
|
|
|
HRESULT FAR PASCAL d3d_enum_callback(LPGUID pguid, LPSTR lpDeviceDesc,
|
|
LPSTR lpDeviceName,
|
|
LPD3DDEVICEDESC lpHWDevDesc,
|
|
LPD3DDEVICEDESC lpHELDevDesc,
|
|
LPVOID lpUserArg)
|
|
{
|
|
|
|
/* Ignore emulated devices (we can use our own stuff then) */
|
|
if (lpHWDevDesc->dcmColorModel) {
|
|
d3dCaps.hw_acc = TRUE;
|
|
}
|
|
else {
|
|
d3dCaps.hw_acc = FALSE;
|
|
return D3DENUMRET_OK;
|
|
}
|
|
|
|
/* Test hardware caps
|
|
texture = MUST HAVE
|
|
*/
|
|
if (lpHWDevDesc->dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_PERSPECTIVE) {
|
|
d3dCaps.tmap_acc = TRUE;
|
|
}
|
|
else {
|
|
d3dCaps.tmap_acc = FALSE;
|
|
return D3DENUMRET_OK;
|
|
}
|
|
|
|
memcpy(lpUserArg, pguid, sizeof(GUID));
|
|
lstrcpy(d3dCaps.devname, lpDeviceName);
|
|
|
|
return D3DENUMRET_CANCEL;
|
|
}
|
|
|