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Improved DirectDrawPalette handling (set it on init, not every time it 

changes). Added VGA_WriteChars() function.
This commit is contained in:
Ove Kaaven 2000-05-23 21:14:11 +00:00 committed by Alexandre Julliard
parent ce23e9b3c8
commit 3be104e0ef
2 changed files with 27 additions and 3 deletions
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29
graphics/vga.c
View File

@ -47,6 +47,11 @@ HANDLE VGA_AlphaConsole(void)
return GetStdHandle(STD_OUTPUT_HANDLE);
}
char*VGA_AlphaBuffer(void)
{
return DOSMEM_MapDosToLinear(0xb8000);
}
/*** GRAPHICS MODE ***/
int VGA_SetMode(unsigned Xres,unsigned Yres,unsigned Depth)
@ -80,6 +85,8 @@ int VGA_SetMode(unsigned Xres,unsigned Yres,unsigned Depth)
lpddraw=NULL;
return 1;
}
FIXME("no default palette entries\n");
IDirectDrawSurface_SetPalette(lpddsurf,lpddpal);
vga_refresh=0;
/* poll every 20ms (50fps should provide adequate responsiveness) */
VGA_InstallTimer(20);
@ -101,8 +108,11 @@ void VGA_Exit(void)
{
if (lpddraw) {
VGA_DeinstallTimer();
IDirectDrawSurface_SetPalette(lpddsurf,NULL);
IDirectDrawSurface_Release(lpddsurf);
lpddsurf=NULL;
IDirectDrawPalette_Release(lpddpal);
lpddpal=NULL;
IDirectDraw_Release(lpddraw);
lpddraw=NULL;
}
@ -112,7 +122,6 @@ void VGA_SetPalette(PALETTEENTRY*pal,int start,int len)
{
if (!lpddraw) return;
IDirectDrawPalette_SetEntries(lpddpal,0,start,len,pal);
IDirectDrawSurface_SetPalette(lpddsurf,lpddpal);
}
void VGA_SetQuadPalette(RGBQUAD*color,int start,int len)
@ -128,7 +137,6 @@ void VGA_SetQuadPalette(RGBQUAD*color,int start,int len)
pal[c].peFlags=0;
}
IDirectDrawPalette_SetEntries(lpddpal,0,start,len,pal);
IDirectDrawSurface_SetPalette(lpddsurf,lpddpal);
}
LPSTR VGA_Lock(unsigned*Pitch,unsigned*Height,unsigned*Width,unsigned*Depth)
@ -193,6 +201,21 @@ void VGA_GetCursorPos(unsigned*X,unsigned*Y)
if (Y) *Y=info.dwCursorPosition.Y;
}
void VGA_WriteChars(unsigned X,unsigned Y,unsigned ch,int attr,int count)
{
unsigned XR, YR;
char*dat;
VGA_GetAlphaMode(&XR, &YR);
dat = VGA_AlphaBuffer() + ((XR*Y + X) * 2);
/* FIXME: also call WriteConsoleOutputA, for better responsiveness */
while (count--) {
*dat++ = ch;
if (attr>=0) *dat = attr;
dat++;
}
}
/*** CONTROL ***/
void CALLBACK VGA_Poll( ULONG_PTR arg )
@ -224,7 +247,7 @@ void CALLBACK VGA_Poll( ULONG_PTR arg )
HANDLE con = VGA_AlphaConsole();
VGA_GetAlphaMode(&Width,&Height);
dat = DOSMEM_MapDosToLinear(0xb8000);
dat = VGA_AlphaBuffer();
siz.X = 80; siz.Y = 1;
off.X = 0; off.Y = 0;
/* copy from virtual VGA frame buffer to console */

1
include/vga.h
View File

@ -25,6 +25,7 @@ int VGA_SetAlphaMode(unsigned Xres,unsigned Yres);
void VGA_GetAlphaMode(unsigned*Xres,unsigned*Yres);
void VGA_SetCursorPos(unsigned X,unsigned Y);
void VGA_GetCursorPos(unsigned*X,unsigned*Y);
void VGA_WriteChars(unsigned X,unsigned Y,unsigned ch,int attr,int count);
/* control */
void CALLBACK VGA_Poll(ULONG_PTR arg);