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Made DOS VGA display again with last months DDRAW updates.

This commit is contained in:
Marcus Meissner 2001-06-19 18:14:08 +00:00 committed by Alexandre Julliard
parent c660410bf8
commit da1a284f4d
1 changed files with 41 additions and 5 deletions
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46
msdos/vga.c
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@ -7,6 +7,8 @@
#include <string.h>
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "wincon.h"
#include "miscemu.h"
#include "vga.h"
@ -26,6 +28,9 @@ static HANDLE poll_timer;
typedef HRESULT WINAPI (*DirectDrawCreateProc)(LPGUID,LPDIRECTDRAW *,LPUNKNOWN);
static DirectDrawCreateProc pDirectDrawCreate;
typedef HWND WINAPI (*CreateWindowExAProc)(DWORD,LPCSTR,LPCSTR,DWORD,INT,INT, INT,INT,HWND,HMENU,HINSTANCE,LPVOID);
static CreateWindowExAProc pCreateWindowExA;
static void VGA_DeinstallTimer(void)
{
if (poll_timer) {
@ -57,25 +62,56 @@ char*VGA_AlphaBuffer(void)
int VGA_SetMode(unsigned Xres,unsigned Yres,unsigned Depth)
{
LRESULT res;
HWND hwnd;
if (lpddraw) VGA_Exit();
if (!lpddraw) {
if (!pDirectDrawCreate)
{
HMODULE hmod = LoadLibraryA( "ddraw.dll" );
if (hmod) pDirectDrawCreate = (DirectDrawCreateProc)GetProcAddress( hmod, "DirectDrawCreate" );
if (!pDirectDrawCreate) {
ERR("Can't lookup DirectDrawCreate from ddraw.dll.\n");
return 1;
}
}
if (pDirectDrawCreate) pDirectDrawCreate(NULL,&lpddraw,NULL);
if (!pCreateWindowExA)
{
HMODULE hmod = LoadLibraryA( "user32.dll" );
if (!hmod) {
ERR("Can't load user32.dll.\n");
return 1;
}
if (hmod) pCreateWindowExA = (CreateWindowExAProc)GetProcAddress( hmod, "CreateWindowExA" );
if (!pCreateWindowExA) {
ERR("Can't lookup CreateWindowExA from user32.dll.\n");
return 1;
}
}
res = pDirectDrawCreate(NULL,&lpddraw,NULL);
if (!lpddraw) {
ERR("DirectDraw is not available\n");
ERR("DirectDraw is not available (res = %lx)\n",res);
return 1;
}
if (IDirectDraw_SetDisplayMode(lpddraw,Xres,Yres,Depth)) {
ERR("DirectDraw does not support requested display mode\n");
hwnd = pCreateWindowExA(0,"STATIC","WINEDOS VGA",WS_POPUP|WS_BORDER|WS_CAPTION|WS_SYSMENU,0,0,Xres,Yres,0,0,0,NULL);
if (!hwnd) {
ERR("Failed to create user window.\n");
}
if ((res=IDirectDraw_SetCooperativeLevel(lpddraw,hwnd,DDSCL_FULLSCREEN|DDSCL_EXCLUSIVE))) {
ERR("Could not set cooperative level to exclusive (%lx)\n",res);
}
if ((res=IDirectDraw_SetDisplayMode(lpddraw,Xres,Yres,Depth))) {
ERR("DirectDraw does not support requested display mode (%dx%dx%d), res = %lx!\n",Xres,Yres,Depth,res);
IDirectDraw_Release(lpddraw);
lpddraw=NULL;
return 1;
}
IDirectDraw_CreatePalette(lpddraw,DDPCAPS_8BIT,NULL,&lpddpal,NULL);
res=IDirectDraw_CreatePalette(lpddraw,DDPCAPS_8BIT,NULL,&lpddpal,NULL);
if (res) {
ERR("Could not create palette (res = %lx)\n",res);
}
memset(&sdesc,0,sizeof(sdesc));
sdesc.dwSize=sizeof(sdesc);
sdesc.dwFlags = DDSD_CAPS;