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This commit is contained in:
Ragnvald Maartmann-Moe IV 2002-12-16 17:59:45 +00:00
parent 2c643cde47
commit f053f3b70f
1 changed files with 24 additions and 23 deletions
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47
libs/video/targets/vid_svgalib.c
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@ -92,7 +92,8 @@ D_BeginDirectRect (int x, int y, byte * pbitmap, int width, int height)
int i, j, k, plane, reps, repshift, offset, vidpage, off;
if (!svgalib_inited || !vid.direct || svgalib_backgrounded
|| !vga_oktowrite ())return;
|| !vga_oktowrite ())
return;
if (vid.aspect > 1.5) {
reps = 2;
@ -128,16 +129,15 @@ D_BeginDirectRect (int x, int y, byte * pbitmap, int width, int height)
} else {
for (i = 0; i < (height << repshift); i += reps) {
for (j = 0; j < reps; j++) {
offset = x + ((y << repshift) + i + j)
* vid.rowbytes;
offset = x + ((y << repshift) + i + j) * vid.rowbytes;
off = offset % 0x10000;
if ((offset / 0x10000) != vidpage) {
vidpage = offset / 0x10000;
vga_setpage (vidpage);
}
memcpy (&backingbuf[(i + j) * 24], vid.direct + off, width);
memcpy (vid.direct + off,
&pbitmap[(i >> repshift) * width], width);
memcpy (vid.direct + off, &pbitmap[(i >> repshift) * width],
width);
}
}
}
@ -149,7 +149,8 @@ D_EndDirectRect (int x, int y, int width, int height)
int i, j, k, plane, reps, repshift, offset, vidpage, off;
if (!svgalib_inited || !vid.direct || svgalib_backgrounded
|| !vga_oktowrite ())return;
|| !vga_oktowrite ())
return;
if (vid.aspect > 1.5) {
reps = 2;
@ -182,8 +183,7 @@ D_EndDirectRect (int x, int y, int width, int height)
} else {
for (i = 0; i < (height << repshift); i += reps) {
for (j = 0; j < reps; j++) {
offset = x + ((y << repshift) + i + j)
* vid.rowbytes;
offset = x + ((y << repshift) + i + j) * vid.rowbytes;
off = offset % 0x10000;
if ((offset / 0x10000) != vidpage) {
vidpage = offset / 0x10000;
@ -221,10 +221,11 @@ VID_DescribeModes_f (void)
for (i = 0; i < num_modes; i++) {
if (modes[i].width) {
Con_Printf ("%d: %d x %d - ", i, modes[i].width, modes[i].height);
if (modes[i].bytesperpixel == 0)
if (modes[i].bytesperpixel == 0) {
Con_Printf ("ModeX\n");
else
} else {
Con_Printf ("%d bpp\n", modes[i].bytesperpixel << 3);
}
}
}
}
@ -358,7 +359,6 @@ VID_SetMode (int modenum, unsigned char *palette)
if ((modenum >= num_modes) || (modenum < 0) || !modes[modenum].width) {
Cvar_SetValue (vid_mode, current_mode);
Con_Printf ("No such video mode: %d\n", modenum);
return 0;
@ -462,7 +462,8 @@ VID_Init (unsigned char *palette)
"number of video modes available.");
Cmd_AddCommand ("vid_describemode", VID_DescribeMode_f, "Report "
"information on specified video mode, default is "
"current.\n(vid_describemode (mode))");
"current.\n"
"(vid_describemode (mode))");
Cmd_AddCommand ("vid_describemodes", VID_DescribeModes_f, "Report "
"information on all video modes.");
Cmd_AddCommand ("vid_debug", VID_Debug_f, "FIXME: No Description");
@ -505,11 +506,13 @@ void
VID_Init_Cvars ()
{
vid_mode = Cvar_Get ("vid_mode", "5", CVAR_NONE, NULL,
"Sets the video mode");
"Sets the video mode");
vid_redrawfull = Cvar_Get ("vid_redrawfull", "0", CVAR_NONE, NULL,
"Redraw entire screen each frame instead of just dirty areas");
"Redraw entire screen each frame instead of "
"just dirty areas");
vid_waitforrefresh = Cvar_Get ("vid_waitforrefresh", "0", CVAR_ARCHIVE,
NULL, "Wait for vertical retrace before drawing next frame");
NULL, "Wait for vertical retrace before "
"drawing next frame");
vid_system_gamma = Cvar_Get ("vid_system_gamma", "1", CVAR_ARCHIVE, NULL,
"Use system gamma control if available");
}
@ -541,8 +544,7 @@ VID_Update (vrect_t *rects)
((total - offset > 0x10000) ? 0x10000 : (total - offset)));
}
} else {
int ycount;
int offset;
int offset, ycount;
int vidpage = 0;
vga_setpage (0);
@ -558,15 +560,14 @@ VID_Update (vrect_t *rects)
vga_setpage (vidpage);
}
if (rects->width + i > 0x10000) {
memcpy (framebuffer_ptr + i,
vid.buffer + offset, 0x10000 - i);
memcpy (framebuffer_ptr + i, vid.buffer + offset,
0x10000 - i);
vga_setpage (++vidpage);
memcpy (framebuffer_ptr,
vid.buffer + offset + 0x10000 - i,
memcpy (framebuffer_ptr, vid.buffer + offset + 0x10000 - i,
rects->width - 0x10000 + i);
} else {
memcpy (framebuffer_ptr + i,
vid.buffer + offset, rects->width);
memcpy (framebuffer_ptr + i, vid.buffer + offset,
rects->width);
}
offset += vid.rowbytes;
}