DOS updates for new tree (Daniel Borca)

1 files changed, 235 insertions, 235 deletions

diff --git a/src/mesa/drivers/dos/vga.c b/src/mesa/drivers/dos/vga.c
index 4fe8773243f..9de32f0cd5e 100644
--- a/src/mesa/drivers/dos/vga.c
+++ b/src/mesa/drivers/dos/vga.c
@@ -1,235 +1,235 @@
-/*

- * 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 v1.3 for Mesa

- *

- *  Copyright (C) 2002 - Borca Daniel

- *  Email : [email protected]

- *  Web   : http://www.geocities.com/dborca

- */

-

-

-#include <pc.h>

-#include <stdlib.h>

-

-#include "video.h"

-#include "vga.h"

-

-

-

-static vl_mode modes[] = {

-       {0x13 | 0x4000, 320, 200, 320, 8, -1, 320*200},

-       {0xffff, -1, -1, -1, -1, -1, -1}

-};

-

-static word16 vga_ver;

-static int linear_selector;

-static int oldmode = -1;

-

-#define vga_color_precision 6

-

-

-

-/* Desc: Attempts to detect VGA, check video modes and create selectors.

- *

- * In  : -

- * Out : mode array

- *

- * Note: -

- */

-static vl_mode *vga_init (void)

-{

- int rv = 0;

-

- if (vga_ver) {

-    return modes;

- }

-

- __asm("\n\

-		movw	$0x1a00, %%ax	\n\

-		int	$0x10		\n\

-		cmpb	$0x1a, %%al	\n\

-		jne	0f		\n\

-		cmpb	$0x07, %%bl	\n\

-		jb	0f		\n\

-		andl	$0xff, %%ebx	\n\

-		movl	%%ebx, %0	\n\

- 0:":"=g"(rv)::"%eax", "%ebx");

- if (rv == 0) {

-    return NULL;

- }

-

- if (_create_selector(&linear_selector, 0xa0000, 0x10000)) {

-    return NULL;

- }

-

- modes[0].sel = linear_selector;

-

- vga_ver = rv;

- return modes;

-}

-

-

-

-/* Desc: Frees all resources allocated by VGA init code.

- *

- * In  : -

- * Out : -

- *

- * Note: -

- */

-static void vga_fini (void)

-{

- if (vga_ver) {

-    _remove_selector(&linear_selector);

- }

-}

-

-

-

-/* Desc: Attempts to enter specified video mode.

- *

- * In  : ptr to mode structure, refresh rate

- * Out : 0 if success

- *

- * Note: -

- */

-static int vga_entermode (vl_mode *p, int refresh)

-{

- if (!(p->mode & 0x4000)) {

-    return -1;

- }

- VGA.blit = _can_mmx() ? vesa_l_dump_virtual_mmx : vesa_l_dump_virtual;

-

- if (oldmode == -1) {

-    __asm("\n\

-		movb	$0x0f, %%ah	\n\

-		int	$0x10		\n\

-		andl	$0xff, %%eax	\n\

-		movl	%%eax, %0	\n\

-    ":"=g"(oldmode)::"%eax", "%ebx");

- }

-

- __asm("int $0x10"::"a"(p->mode&0xff));

-

- return 0;

-

- (void)refresh; /* silence compiler warning */

-}

-

-

-

-/* Desc: Restores to the mode prior to first call to vga_entermode.

- *

- * In  : -

- * Out : -

- *

- * Note: -

- */

-static void vga_restore (void)

-{

- if (oldmode != -1) {

-    __asm("int $0x10"::"a"(oldmode));

- }

-}

-

-

-

-/* Desc: set one palette entry

- *

- * In  : color index, R, G, B

- * Out : -

- *

- * Note: uses integer values

- */

-static void vga_setCI_i (int index, int red, int green, int blue)

-{

-#if 0

- __asm("\n\

-		movw $0x1010, %%ax	\n\

-		movb %1, %%dh		\n\

-		movb %2, %%ch		\n\

-		int  $0x10		\n\

- "::"b"(index), "m"(red), "m"(green), "c"(blue):"%eax", "%edx");

-#else

- outportb(0x03C8, index);

- outportb(0x03C9, red);

- outportb(0x03C9, green);

- outportb(0x03C9, blue);

-#endif

-}

-

-

-

-/* Desc: set one palette entry

- *

- * In  : color index, R, G, B

- * Out : -

- *

- * Note: uses normalized values

- */

-static void vga_setCI_f (int index, float red, float green, float blue)

-{

- float max = (1 << vga_color_precision) - 1;

-

- vga_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 vga_get (int pname, int *params)

-{

- switch (pname) {

-        case VL_GET_CI_PREC:

-             params[0] = vga_color_precision;

-             break;

-        default:

-             return -1;

- }

- return 0;

-}

-

-

-

-/*

- * the driver

- */

-vl_driver VGA = {

-          vga_init,

-          vga_entermode,

-          NULL,

-          vga_setCI_f,

-          vga_setCI_i,

-          vga_get,

-          vga_restore,

-          vga_fini

-};

+/*
+ * 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 v1.3 for Mesa
+ *
+ *  Copyright (C) 2002 - Borca Daniel
+ *  Email : [email protected]
+ *  Web   : http://www.geocities.com/dborca
+ */
+
+
+#include <pc.h>
+#include <stdlib.h>
+
+#include "video.h"
+#include "vga.h"
+
+
+
+static vl_mode modes[] = {
+       {0x13 | 0x4000, 320, 200, 320, 8, -1, 320*200},
+       {0xffff, -1, -1, -1, -1, -1, -1}
+};
+
+static word16 vga_ver;
+static int linear_selector;
+static int oldmode = -1;
+
+#define vga_color_precision 6
+
+
+
+/* Desc: Attempts to detect VGA, check video modes and create selectors.
+ *
+ * In  : -
+ * Out : mode array
+ *
+ * Note: -
+ */
+static vl_mode *vga_init (void)
+{
+ int rv = 0;
+
+ if (vga_ver) {
+    return modes;
+ }
+
+ __asm("\n\
+		movw	$0x1a00, %%ax	\n\
+		int	$0x10		\n\
+		cmpb	$0x1a, %%al	\n\
+		jne	0f		\n\
+		cmpb	$0x07, %%bl	\n\
+		jb	0f		\n\
+		andl	$0xff, %%ebx	\n\
+		movl	%%ebx, %0	\n\
+ 0:":"=g"(rv)::"%eax", "%ebx");
+ if (rv == 0) {
+    return NULL;
+ }
+
+ if (_create_selector(&linear_selector, 0xa0000, 0x10000)) {
+    return NULL;
+ }
+
+ modes[0].sel = linear_selector;
+
+ vga_ver = rv;
+ return modes;
+}
+
+
+
+/* Desc: Frees all resources allocated by VGA init code.
+ *
+ * In  : -
+ * Out : -
+ *
+ * Note: -
+ */
+static void vga_fini (void)
+{
+ if (vga_ver) {
+    _remove_selector(&linear_selector);
+ }
+}
+
+
+
+/* Desc: Attempts to enter specified video mode.
+ *
+ * In  : ptr to mode structure, refresh rate
+ * Out : 0 if success
+ *
+ * Note: -
+ */
+static int vga_entermode (vl_mode *p, int refresh)
+{
+ if (!(p->mode & 0x4000)) {
+    return -1;
+ }
+ VGA.blit = _can_mmx() ? vesa_l_dump_virtual_mmx : vesa_l_dump_virtual;
+
+ if (oldmode == -1) {
+    __asm("\n\
+		movb	$0x0f, %%ah	\n\
+		int	$0x10		\n\
+		andl	$0xff, %%eax	\n\
+		movl	%%eax, %0	\n\
+    ":"=g"(oldmode)::"%eax", "%ebx");
+ }
+
+ __asm("int $0x10"::"a"(p->mode&0xff));
+
+ return 0;
+
+ (void)refresh; /* silence compiler warning */
+}
+
+
+
+/* Desc: Restores to the mode prior to first call to vga_entermode.
+ *
+ * In  : -
+ * Out : -
+ *
+ * Note: -
+ */
+static void vga_restore (void)
+{
+ if (oldmode != -1) {
+    __asm("int $0x10"::"a"(oldmode));
+ }
+}
+
+
+
+/* Desc: set one palette entry
+ *
+ * In  : color index, R, G, B
+ * Out : -
+ *
+ * Note: uses integer values
+ */
+static void vga_setCI_i (int index, int red, int green, int blue)
+{
+#if 0
+ __asm("\n\
+		movw $0x1010, %%ax	\n\
+		movb %1, %%dh		\n\
+		movb %2, %%ch		\n\
+		int  $0x10		\n\
+ "::"b"(index), "m"(red), "m"(green), "c"(blue):"%eax", "%edx");
+#else
+ outportb(0x03C8, index);
+ outportb(0x03C9, red);
+ outportb(0x03C9, green);
+ outportb(0x03C9, blue);
+#endif
+}
+
+
+
+/* Desc: set one palette entry
+ *
+ * In  : color index, R, G, B
+ * Out : -
+ *
+ * Note: uses normalized values
+ */
+static void vga_setCI_f (int index, float red, float green, float blue)
+{
+ float max = (1 << vga_color_precision) - 1;
+
+ vga_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 vga_get (int pname, int *params)
+{
+ switch (pname) {
+        case VL_GET_CI_PREC:
+             params[0] = vga_color_precision;
+             break;
+        default:
+             return -1;
+ }
+ return 0;
+}
+
+
+
+/*
+ * the driver
+ */
+vl_driver VGA = {
+          vga_init,
+          vga_entermode,
+          NULL,
+          vga_setCI_f,
+          vga_setCI_i,
+          vga_get,
+          vga_restore,
+          vga_fini
+};