diff options
Diffstat (limited to 'src/mesa/drivers/dos/null.c')
| -rw-r--r-- | src/mesa/drivers/dos/null.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/src/mesa/drivers/dos/null.c b/src/mesa/drivers/dos/null.c deleted file mode 100644 index 55846299fbb..00000000000 --- a/src/mesa/drivers/dos/null.c +++ /dev/null @@ -1,224 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 4.1 - * - * Copyright (C) 1999 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * DOS/DJGPP device driver for Mesa - * - * Author: Daniel Borca - * Email : [email protected] - * Web : http://www.geocities.com/dborca - */ - - -#include <stdlib.h> -#include <sys/segments.h> - -#include "video.h" -#include "null.h" - - -static vl_mode *modes; - -#define null_color_precision 8 - - -static void -null_blit_nop (void) -{ -} - - -/* Desc: Attempts to detect NUL, check video modes and create selectors. - * - * In : - - * Out : mode array - * - * Note: - - */ -static vl_mode * -null_init (void) -{ - static int m[][2] = { - { 320, 200 }, - { 320, 240 }, - { 400, 300 }, - { 512, 384 }, - { 640, 400 }, - { 640, 480 }, - { 800, 600 }, - { 1024, 768 }, - { 1280, 1024 }, - { 1600, 1200 } - }; - static int b[] = { - 8, - 15, - 16, - 24, - 32 - }; - const unsigned int m_count = sizeof(m) / sizeof(m[0]); - const unsigned int b_count = sizeof(b) / sizeof(b[0]); - - unsigned int i, j, k; - - if (modes == NULL) { - modes = malloc(sizeof(vl_mode) * (1 + m_count * b_count)); - - if (modes != NULL) { - for (k = 0, i = 0; i < m_count; i++) { - for (j = 0; j < b_count; j++, k++) { - modes[k].xres = m[i][0]; - modes[k].yres = m[i][1]; - modes[k].bpp = b[j]; - modes[k].mode = 0x4000; - modes[k].scanlen = m[i][0] * ((b[j] + 7) / 8); - modes[k].sel = -1; - modes[k].gran = -1; - } - } - modes[k].xres = -1; - modes[k].yres = -1; - modes[k].bpp = -1; - modes[k].mode = 0xffff; - modes[k].scanlen = -1; - modes[k].sel = -1; - modes[k].gran = -1; - } - } - - return modes; -} - - -/* Desc: Frees all resources allocated by NUL init code. - * - * In : - - * Out : - - * - * Note: - - */ -static void -null_fini (void) -{ - if (modes != NULL) { - free(modes); - modes = NULL; - } -} - - -/* Desc: Attempts to enter specified video mode. - * - * In : ptr to mode structure, refresh rate - * Out : 0 if success - * - * Note: - - */ -static int -null_entermode (vl_mode *p, int refresh, int fbbits) -{ - NUL.blit = null_blit_nop; - - return 0; - - (void)(p && refresh && fbbits); /* silence compiler warning */ -} - - -/* Desc: Restores to the mode prior to first call to null_entermode. - * - * In : - - * Out : - - * - * Note: - - */ -static void -null_restore (void) -{ -} - - -/* Desc: set one palette entry - * - * In : color index, R, G, B - * Out : - - * - * Note: uses integer values - */ -static void -null_setCI_i (int index, int red, int green, int blue) -{ - (void)(index && red && green && blue); /* silence compiler warning */ -} - - -/* Desc: set one palette entry - * - * In : color index, R, G, B - * Out : - - * - * Note: uses normalized values - */ -static void -null_setCI_f (int index, float red, float green, float blue) -{ - float max = (1 << null_color_precision) - 1; - - null_setCI_i(index, (int)(red * max), (int)(green * max), (int)(blue * max)); -} - - -/* Desc: state retrieval - * - * In : parameter name, ptr to storage - * Out : 0 if request successfully processed - * - * Note: - - */ -static int -null_get (int pname, int *params) -{ - switch (pname) { - default: - params[0] = params[0]; /* silence compiler warning */ - return -1; - } - return 0; -} - - -/* - * the driver - */ -vl_driver NUL = { - null_init, - null_entermode, - NULL, - null_setCI_f, - null_setCI_i, - null_get, - null_restore, - null_fini -}; |