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DOS updates from Daniel Borca

This commit is contained in:
Brian Paul 2002-02-23 17:11:27 +00:00
parent c7a3356746
commit e0193a9425
11 changed files with 711 additions and 235 deletions
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102
docs/README.DJ
View File

@ -1,73 +1,77 @@
Mesa 4.0.1 DOS/DJGPP Port version 0.1
Mesa 4.0.1 DOS/DJGPP Port version 0.2
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
First of all...
~~~~~~~~~~~~~~~
Description:
~~~~~~~~~~~~
This is a DOS port for MESA 4.0.1. I didn't bother to consider any DOS C
compiler other than gcc, so this port was written using DJGPP v2. To be more
precise:
djdev 2.03
gcc v3.0.3
make v3.79
Almost all demos were compiled and ran succesfully on my system:
CPU: Intel Pentium w/ MMX @166 MHz
Mainboard: ViA Apollo VP2 w/ 128 MB SDRAM
Video card: Matrox Millenium I w/ 4096 kB WRAM, Matrox BIOS v3.0
Since I don't have access to any accelerated video hardware, this port is
entirely based on VESA/SuperVGA. My little attempt to use FreeBE/AF ended in
a failure, but that's another story: it seemed to work fine with my older
Matrox Millenium w/ 2MB, and then I got another Matrox Millenium w/ 4MB. The
problem with latter was it had a dead BIOS; I hot-flashed it and made it work
in all environments (Windows 95, VESA, etc) but FreeBE/AF.
This is the DOS port of MESA 4.0, for DJGPP programmers... It features some
sort of hardware acceleration, but it's pretty thin: it is entirely based on
VBEAF.DRV from the FreeBE/AF project (http://www.talula.demon.co.uk/freebe/).
Note that SciTech's driver isn't supported because I hate the `nearptr' hack.
Anyway, these drivers don't provide ANY 3D function :-( Moreover, it seems to
me the FreeBE/AF project is not really up to date... Well, it's not much, my
intention was to open the door ;-)
Legal:
~~~~~~
This software is distributed under the terms of the GNU Lesser General Public
License.
MESA copyright applies.
Source code written by others is subject to its respective copyright.
Installation:
~~~~~~~~~~~~~
Type "make -f Makefile.DJ" to compile the libraries. Long filename support is
required during compilation. The examples are not built automagically (see
Pitfalls below).
Tested on:
CPU: Intel Pentium w/ MMX @166 MHz
Mainboard: ViA Apollo VP2 w/ 128 MB SDRAM
Video card: Matrox Millenium 2064W w/ 2048 kB WRAM, BIOS v3.0
DJGPP: djdev 2.03
gcc v3.0.3
make v3.79
libGL (the core):
~~~~~~~~~~~~~~~~~
Of course, MESA 4.0.1 core sources are required. It will probably work with
Of course, MESA 4.0 core sources are required. It will probably work with
MESA 3.5, but not a chance with earlier versions due to major changes to the
MESA driver interface and the directory tree. All should compile succesfully.
The driver has its origins in ddsample.c, written by Brian Paul and found by
me in MESA 3.4.2. I touched almost all the functions, changing the coding
style ;-( Sorry!
style :-( Sorry!
Pitfalls:
1. The current version supports only RGB[A] modes, for it made no sense to me
to endorse color-index (aka palette) modes.
2. Only double-buffered is allowed because it was simpler to implement at
that moment. Single-buffered will appear soon, especially if I can find a
way to use hardware acceleration.
3. Another weird "feature" is that buffer width & height must be multiple of
4 (I'm a lazy programmer and I found that the easiest way to keep buffer
handling at peak performance ;-).
4. The video mode selector is tricky: it searches for the smallest mode which
will entirely contain the buffer at its current position. If you want a
small buffer in a high-res mode, try to position it very far to the right
(or down). I'd really use some ideas here!!!
2. Double-buffered uses page flipping if acceleration is available, else falls
back to virtual buffer.
3. Single-buffered is not allowed with 24-bit modes, because direct access was
wrong and fixing it would mean to slow down the other routines; until this
is really, really necessary, it won't get reimplemented.
4. Another weird "feature" is that buffer width must be multiple of 4 (I'm a
lazy programmer and I found that the easiest way to keep buffer handling at
peak performance ;-).
5. The FreeBE/AF driver is searched in the current directory only; therefore,
to disable hardware acceleration, make sure you don't have VBEAF.DRV where
your application resides.
libGLU:
~~~~~~~
Mesa GLU sources are required. Everything should run smooth.
Mesa GLU sources are required. No comment!
@ -78,8 +82,7 @@ Well, this "skeletal" GLUT implementation is not mine. Thanks should go to
Bernhard Tschirren, Mark Kilgard, Brian Paul and probably others (or probably
not ;-). I only changed it to be self-standing (Allegro-free). The keyboard,
mouse and timer drivers were inspired from an old project of mine (D3Xl) and
fixed with some Allegro "infusions"; my deeply thanks to Shawn Hargreaves and
co.
fixed with some Allegro "infusions"; I deeply thank to Shawn Hargreaves et co.
My keyboard driver used only scancodes, but since GLUT requires ASCII values
for keys, I borrowed the translation tables (and maybe more) from Allegro.
@ -102,15 +105,7 @@ in bulk! A bit of a hack, I know, but I think it's better than to miss them
at all.
Window creating defaults: 640x480x16 at (0,0), 8-bit stencil, 16-bit accum.
Installation:
~~~~~~~~~~~~~
Unzip into the MESA directory, and type "make -f Makefile.DJ" to compile all
libraries. Long filename support is required during compilation. The examples
are not built automagically (see Pitfalls above).
However, the video mode is chosen in such a way that first window will fit.
@ -118,7 +113,16 @@ History:
~~~~~~~~
v0.1 feb-2002 initial release
v0.2 ..soon..
v0.2 feb-2002 + fast triangle rasterizers
+ enabled sw and 1.3 extensions
+ hardware acceleration: FreeBE/AF
+ single-buffer modes (15-, 16-, and 32-bit)
* video mode is set by CreateVisual, not MakeCurrent
* internal changes to support multi-buf (unfinished)
! fixed some alpha issues... (thanks, Brian)
+ glut has now an internal timer
* glut changed to support multi-window (unfinished)
! minor PC_HW corrections

14
include/GL/dmesa.h
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@ -23,7 +23,7 @@
*/
/*
* DOS/DJGPP device driver v0.1 for Mesa 4.0
* DOS/DJGPP device driver v0.2 for Mesa 4.0
*
* Copyright (C) 2002 - Borca Daniel
* Email : dborca@yahoo.com
@ -45,20 +45,20 @@ typedef struct dmesa_buffer *DMesaBuffer;
extern "C" {
#endif
DMesaVisual DMesaCreateVisual (GLint colDepth, GLboolean dbFlag,
GLint depthSize, GLint stencilSize,
DMesaVisual DMesaCreateVisual (GLint width, GLint height, GLint colDepth,
GLboolean dbFlag, GLint depthSize,
GLint stencilSize,
GLint accumSize);
void DMesaDestroyVisual (DMesaVisual v);
DMesaBuffer DMesaCreateBuffer (DMesaVisual visual,
GLint width, GLint height,
GLint xpos, GLint ypos);
GLint xpos, GLint ypos,
GLint width, GLint height);
void DMesaDestroyBuffer (DMesaBuffer b);
DMesaContext DMesaCreateContext (DMesaVisual visual,
DMesaContext share);
DMesaContext DMesaCreateContext (DMesaVisual visual, DMesaContext share);
void DMesaDestroyContext (DMesaContext c);

21
src/glut/dos/Makefile.DJ
View File

@ -20,7 +20,7 @@
# 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 glut makefile v0.1 for Mesa 4.0
# DOS/DJGPP glut makefile v0.2 for Mesa 4.0
#
# Copyright (C) 2002 - Borca Daniel
# Email : dborca@yahoo.com
@ -78,4 +78,21 @@ clean:
-$(RM) *.o
-$(RM) PC_HW\*.o
include depend
callback.o: callback.c ../include/GL/glut.h internal.h PC_HW/pc_hw.h
color.o: color.c ../include/GL/glut.h
font.o: font.c ../include/GL/glut.h
globals.o: globals.c ../include/GL/glut.h internal.h PC_HW/pc_hw.h
init.o: init.c ../include/GL/glut.h internal.h PC_HW/pc_hw.h
menu.o: menu.c ../include/GL/glut.h
models.o: models.c ../include/GL/glut.h
overlay.o: overlay.c ../include/GL/glut.h
state.o: state.c ../include/GL/glut.h internal.h pc_hw/pc_hw.h
teapot.o: teapot.c ../include/GL/glut.h
window.o: window.c ../include/GL/glut.h ../include/GL/dmesa.h internal.h \
PC_HW/pc_hw.h
PC_HW/pc_hw.o: PC_HW/pc_hw.c PC_HW/pc_hw.h
PC_HW/pc_keyb.o: PC_HW/pc_keyb.c PC_HW/pc_hw.h
PC_HW/pc_mouse.o: PC_HW/pc_mouse.c PC_HW/pc_hw.h
PC_HW/pc_timer.o: PC_HW/pc_timer.c PC_HW/pc_hw.h
PC_HW/pc_irq.o: PC_HW/pc_irq.S

6
src/glut/dos/PC_HW/pc_irq.S
View File

@ -1,5 +1,5 @@
/*
* PC/HW routine collection v0.1 for DOS/DJGPP
* PC/HW routine collection v0.2 for DOS/DJGPP
*
* Copyright (C) 2002 - Borca Daniel
* Email : dborca@yahoo.com
@ -129,7 +129,7 @@ __irq_wrapper_##x: ; \
pushl %es ; \
pushl %fs ; \
pushl %gs ; \
movw %ss, %bx ; \
movl %ss, %ebx ; \
movl %esp, %esi ; \
movl %cs:___djgpp_ds_alias, %ss ; \
movl %cs:__irq_stack_##x, %esp ; \
@ -141,7 +141,7 @@ __irq_wrapper_##x: ; \
pushl %fs ; \
popl %gs ; \
call *__irq_hook_##x ; \
movw %bx, %ss ; \
movl %ebx, %ss ; \
movl %esi, %esp ; \
testl %eax, %eax ; \
popl %gs ; \

10
src/glut/dos/PC_HW/pc_mouse.c
View File

@ -1,5 +1,5 @@
/*
* PC/HW routine collection v0.1 for DOS/DJGPP
* PC/HW routine collection v0.2 for DOS/DJGPP
*
* Copyright (C) 2002 - Borca Daniel
* Email : dborca@yahoo.com
@ -15,6 +15,12 @@
#define MOUSE_STACK_SIZE 16384
#define CLEAR_MICKEYS() \
do { \
__asm__ __volatile__ ("movw $0xb, %%ax; int $0x33":::"%eax", "%ecx", "%edx"); \
ox = oy = 0; \
} while (0)
extern void mouse_wrapper (void);
extern void mouse_wrapper_end (void);
@ -161,6 +167,8 @@ int pc_install_mouse (void)
mouse_regs.x.es = mouse_callback>>16;
__dpmi_int(0x33, &mouse_regs);
CLEAR_MICKEYS();
emulat3 = buttons<3;
pc_atexit(pc_remove_mouse);
return buttons;

3
src/glut/dos/init.c
View File

@ -19,7 +19,7 @@
*/
/*
* DOS/DJGPP glut driver v0.1 for Mesa 4.0
* DOS/DJGPP glut driver v0.2 for Mesa 4.0
*
* Copyright (C) 2002 - Borca Daniel
* Email : dborca@yahoo.com
@ -45,6 +45,7 @@ static void signal_handler (int num)
void APIENTRY glutInit (int *argcp, char **argv)
{
glutGet(GLUT_ELAPSED_TIME);
/* Hack alert:
only SIGINT (but not Ctrl-Break)
calls the destructors and will safely clean up

6
src/glut/dos/internal.h
View File

@ -19,7 +19,7 @@
*/
/*
* DOS/DJGPP glut driver v0.1 for Mesa 4.0
* DOS/DJGPP glut driver v0.2 for Mesa 4.0
*
* Copyright (C) 2002 - Borca Daniel
* Email : dborca@yahoo.com
@ -35,9 +35,11 @@
#include "pc_hw/pc_hw.h"
#define MAX_WINDOWS 4
#define DEFAULT_WIDTH 640
#define DEFAULT_HEIGHT 480
#define COLOR_DEPTH 16
#define DEFAULT_BPP 16
#define DEPTH_SIZE 16
#define STENCIL_SIZE 8

25
src/glut/dos/state.c
View File

@ -19,7 +19,7 @@
*/
/*
* DOS/DJGPP glut driver v0.1 for Mesa 4.0
* DOS/DJGPP glut driver v0.2 for Mesa 4.0
*
* Copyright (C) 2002 - Borca Daniel
* Email : dborca@yahoo.com
@ -28,6 +28,21 @@
#include "GL/glut.h"
#include "internal.h"
#define FREQUENCY 100
static int timer_installed;
static volatile int ticks;
static void ticks_timer (void *p)
{
(void)p;
ticks++;
} ENDOFUNC(ticks_timer)
int APIENTRY glutGet (GLenum type)
@ -35,6 +50,14 @@ int APIENTRY glutGet (GLenum type)
switch (type) {
case GLUT_WINDOW_RGBA:
return 1;
case GLUT_ELAPSED_TIME:
if (!timer_installed) {
timer_installed = !timer_installed;
LOCKDATA(ticks);
LOCKFUNC(ticks_timer);
pc_install_int(ticks_timer, NULL, FREQUENCY);
}
return ticks*1000/FREQUENCY;
default:
return 0;
}

106
src/glut/dos/window.c
View File

@ -19,7 +19,7 @@
*/
/*
* DOS/DJGPP glut driver v0.1 for Mesa 4.0
* DOS/DJGPP glut driver v0.2 for Mesa 4.0
*
* Copyright (C) 2002 - Borca Daniel
* Email : dborca@yahoo.com
@ -32,50 +32,89 @@
#include "internal.h"
static int window;
static DMesaVisual visual = NULL;
static DMesaContext context = NULL;
static DMesaBuffer buffer = NULL;
static DMesaBuffer buffer[MAX_WINDOWS];
static void clean (void)
{
__asm__("movw $3, %%ax; int $0x10":::"%eax");
int i;
for (i=0; i<MAX_WINDOWS; i++) {
glutDestroyWindow(i+1);
}
if (context) DMesaDestroyContext(context);
if (visual) DMesaDestroyVisual(visual);
pc_close_stdout();
pc_close_stderr();
}
int APIENTRY glutCreateWindow (const char *title)
{
if ((visual=DMesaCreateVisual(COLOR_DEPTH,
g_display_mode & GLUT_DOUBLE,
g_display_mode & GLUT_DEPTH ?DEPTH_SIZE :0,
g_display_mode & GLUT_STENCIL?STENCIL_SIZE:0,
g_display_mode & GLUT_ACCUM ?ACCUM_SIZE :0))==NULL) {
return GL_FALSE;
int i;
if (!visual) {
int screen_w = DEFAULT_WIDTH;
int screen_h = DEFAULT_HEIGHT;
if ((g_width<=640) && (g_height<=480)) {
screen_w = 640;
screen_h = 480;
} else if ((g_width<=800) && (g_height<=600)) {
screen_w = 800;
screen_h = 600;
} else if ((g_width<=1024) && (g_height<=768)) {
screen_w = 1024;
screen_h = 768;
}
if ((visual=DMesaCreateVisual(screen_w, screen_h, DEFAULT_BPP,
g_display_mode & GLUT_DOUBLE,
g_display_mode & GLUT_DEPTH ?DEPTH_SIZE :0,
g_display_mode & GLUT_STENCIL?STENCIL_SIZE:0,
g_display_mode & GLUT_ACCUM ?ACCUM_SIZE :0))==NULL) {
return 0;
}
if ((context=DMesaCreateContext(visual, NULL))==NULL) {
DMesaDestroyVisual(visual);
return 0;
}
pc_open_stdout();
pc_open_stderr();
pc_atexit(clean);
}
if ((context=DMesaCreateContext(visual, NULL))==NULL) {
DMesaDestroyVisual(visual);
return GL_FALSE;
for (i=0; i<MAX_WINDOWS; i++) {
if (!buffer[i]) {
DMesaBuffer b;
if ((b=DMesaCreateBuffer(visual, g_xpos, g_ypos, g_width, g_height))==NULL) {
return 0;
}
if (!DMesaMakeCurrent(context, b)) {
DMesaDestroyBuffer(b);
return 0;
}
if (g_mouse) {
pc_mouse_area(g_xpos, g_ypos, g_xpos + g_width - 1, g_ypos + g_height - 1);
}
buffer[window = i] = b;
return i+1;
}
}
if ((buffer=DMesaCreateBuffer(visual, g_width, g_height, g_xpos, g_ypos))==NULL) {
DMesaDestroyContext(context);
DMesaDestroyVisual(visual);
return GL_FALSE;
}
if (!DMesaMakeCurrent(context, buffer)) {
DMesaDestroyContext(context);
DMesaDestroyVisual(visual);
return GL_FALSE;
}
pc_open_stdout();
pc_open_stderr();
pc_atexit(clean);
return GL_TRUE;
return 0;
}
@ -87,6 +126,10 @@ int APIENTRY glutCreateSubWindow (int win, int x, int y, int width, int height)
void APIENTRY glutDestroyWindow (int win)
{
if (buffer[win-1]) {
DMesaDestroyBuffer(buffer[win-1]);
buffer[win-1] = NULL;
}
}
@ -99,19 +142,20 @@ void APIENTRY glutPostRedisplay (void)
void APIENTRY glutSwapBuffers (void)
{
if (g_mouse) pc_scare_mouse();
DMesaSwapBuffers(buffer);
DMesaSwapBuffers(buffer[window]);
if (g_mouse) pc_unscare_mouse();
}
int APIENTRY glutGetWindow (void)
{
return 0;
return window + 1;
}
void APIENTRY glutSetWindow (int win)
{
window = win - 1;
}

563
src/mesa/drivers/dos/dmesa.c
View File

@ -23,7 +23,7 @@
*/
/*
* DOS/DJGPP device driver v0.1 for Mesa 4.0
* DOS/DJGPP device driver v0.2 for Mesa 4.0
*
* Copyright (C) 2002 - Borca Daniel
* Email : dborca@yahoo.com
@ -37,10 +37,18 @@
#include "glheader.h"
#include "context.h"
#include "GL/dmesa.h"
#include "extensions.h"
#include "macros.h"
#include "matrix.h"
#include "mmath.h"
#include "texformat.h"
#include "texstore.h"
#include "array_cache/acache.h"
#include "swrast/s_context.h"
#include "swrast/s_depth.h"
#include "swrast/s_lines.h"
#include "swrast/s_triangle.h"
#include "swrast/s_trispan.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "tnl/tnl.h"
@ -48,8 +56,7 @@
#include "tnl/t_pipeline.h"
#endif
#include "dvesa.h"
#include "dmesaint.h"
#include "video.h"
@ -59,9 +66,10 @@
*/
struct dmesa_visual {
GLvisual *gl_visual;
GLboolean db_flag; /* double buffered? */
GLboolean rgb_flag; /* RGB mode? */
GLuint depth; /* bits per pixel (1, 8, 24, etc) */
GLint caps; /* video mode capabilities */
};
/*
@ -72,12 +80,14 @@ struct dmesa_buffer {
GLframebuffer *gl_buffer; /* The depth, stencil, accum, etc buffers */
void *the_window; /* your window handle, etc */
int xpos, ypos; /* position */
int width, height; /* size in pixels */
int xpos, ypos; /* buffer position */
int xsize, len; /* number of bytes in a line, then total */
int delta; /* used to wrap around */
int offset; /* offset in video */
struct dvmode *video;
int pitch, len; /* number of bytes in a line, then total */
int cwidth; /* scan width */
int caps; /* video mode capabilities */
void (*tri_rgb_flat) ();
};
/*
@ -104,40 +114,361 @@ static void dmesa_update_state (GLcontext *ctx, GLuint new_state);
WRITE_RGBA_SPAN(15)
WRITE_RGBA_SPAN(16)
WRITE_RGBA_SPAN(24)
WRITE_RGBA_SPAN(32)
#define FLIP(y) (c->Buffer->height - (y) - 1)
#define FLIP2(y) (h - (y) - 1)
WRITE_RGB_SPAN(15)
WRITE_RGB_SPAN(16)
WRITE_RGB_SPAN(24)
WRITE_RGB_SPAN(32)
WRITE_MONO_RGBA_SPAN(15)
WRITE_MONO_RGBA_SPAN(16)
WRITE_MONO_RGBA_SPAN(24)
WRITE_MONO_RGBA_SPAN(32)
READ_RGBA_SPAN(15)
READ_RGBA_SPAN(16)
READ_RGBA_SPAN(24)
READ_RGBA_SPAN(32)
static void write_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
const GLubyte rgba[][4], const GLubyte mask[])
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint i, offset;
WRITE_RGBA_PIXELS(15)
WRITE_RGBA_PIXELS(16)
WRITE_RGBA_PIXELS(24)
WRITE_RGBA_PIXELS(32)
offset = c->Buffer->cwidth * FLIP(y) + x;
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++, offset++) {
if (mask[i]) {
vl_putpixel(b, offset, vl_mixrgba(rgba[i]));
}
}
} else {
/* draw all pixels */
for (i=0; i<n; i++, offset++) {
vl_putpixel(b, offset, vl_mixrgba(rgba[i]));
}
}
}
WRITE_MONO_RGBA_PIXELS(15)
WRITE_MONO_RGBA_PIXELS(16)
WRITE_MONO_RGBA_PIXELS(24)
WRITE_MONO_RGBA_PIXELS(32)
static void write_rgb_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
const GLubyte rgb[][3], const GLubyte mask[])
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint i, offset;
READ_RGBA_PIXELS(15)
READ_RGBA_PIXELS(16)
READ_RGBA_PIXELS(24)
READ_RGBA_PIXELS(32)
offset = c->Buffer->cwidth * FLIP(y) + x;
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++, offset++) {
if (mask[i]) {
vl_putpixel(b, offset, vl_mixrgb(rgb[i]));
}
}
} else {
/* draw all pixels */
for (i=0; i<n; i++, offset++) {
vl_putpixel(b, offset, vl_mixrgb(rgb[i]));
}
}
}
static void write_mono_rgba_span (const GLcontext *ctx,
GLuint n, GLint x, GLint y,
const GLchan color[4], const GLubyte mask[])
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint i, offset, rgba = vl_mixrgba(color);
offset = c->Buffer->cwidth * FLIP(y) + x;
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++, offset++) {
if (mask[i]) {
vl_putpixel(b, offset, rgba);
}
}
} else {
/* draw all pixels */
for (i=0; i<n; i++, offset++) {
vl_putpixel(b, offset, rgba);
}
}
}
static void read_rgba_span (const GLcontext *ctx, GLuint n, GLint x, GLint y,
GLubyte rgba[][4])
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint i, offset;
offset = c->Buffer->cwidth * FLIP(y) + x;
/* read all pixels */
for (i=0; i<n; i++, offset++) {
vl_getrgba(b, offset, rgba[i]);
}
}
static void write_rgba_pixels (const GLcontext *ctx,
GLuint n, const GLint x[], const GLint y[],
const GLubyte rgba[][4], const GLubyte mask[])
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint i, w = c->Buffer->cwidth, h = c->Buffer->height;
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++) {
if (mask[i]) {
vl_putpixel(b, FLIP2(y[i])*w + x[i], vl_mixrgba(rgba[i]));
}
}
} else {
/* draw all pixels */
for (i=0; i<n; i++) {
vl_putpixel(b, FLIP2(y[i])*w + x[i], vl_mixrgba(rgba[i]));
}
}
}
static void write_mono_rgba_pixels (const GLcontext *ctx,
GLuint n, const GLint x[], const GLint y[],
const GLchan color[4], const GLubyte mask[])
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint i, w = c->Buffer->cwidth, h = c->Buffer->height, rgba = vl_mixrgba(color);
if (mask) {
/* draw some pixels */
for (i=0; i<n; i++) {
if (mask[i]) {
vl_putpixel(b, FLIP2(y[i])*w + x[i], rgba);
}
}
} else {
/* draw all pixels */
for (i=0; i<n; i++) {
vl_putpixel(b, FLIP2(y[i])*w + x[i], rgba);
}
}
}
static void read_rgba_pixels (const GLcontext *ctx,
GLuint n, const GLint x[], const GLint y[],
GLubyte rgba[][4], const GLubyte mask[])
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint i, w = c->Buffer->cwidth, h = c->Buffer->height;
if (mask) {
/* read some pixels */
for (i=0; i<n; i++) {
if (mask[i]) {
vl_getrgba(b, FLIP2(y[i])*w + x[i], rgba[i]);
}
}
} else {
/* read all pixels */
for (i=0; i<n; i++) {
vl_getrgba(b, FLIP2(y[i])*w + x[i], rgba[i]);
}
}
}
/**********************************************************************/
/***** Optimized triangle rendering *****/
/**********************************************************************/
/*
* flat, NON-depth-buffered, triangle.
*/
static void tri_rgb_flat (GLcontext *ctx,
const SWvertex *v0,
const SWvertex *v1,
const SWvertex *v2)
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint w = c->Buffer->cwidth, h = c->Buffer->height;
if (c->Buffer->tri_rgb_flat) {
c->Buffer->tri_rgb_flat(IROUND(v0->win[0]), IROUND(FLIP2(v0->win[1])),
IROUND(v1->win[0]), IROUND(FLIP2(v1->win[1])),
IROUND(v2->win[0]), IROUND(FLIP2(v2->win[1])),
vl_mixrgb(v2->color));
} else {
#define SETUP_CODE GLuint rgb = vl_mixrgb(v2->color);
#define RENDER_SPAN(span) \
GLuint i, offset = FLIP2(span.y)*w + span.x; \
for (i = 0; i < span.count; i++, offset++) { \
vl_putpixel(b, offset, rgb); \
}
#include "swrast/s_tritemp.h"
}
}
/*
* flat, depth-buffered, triangle.
*/
static void tri_rgb_flat_z (GLcontext *ctx,
const SWvertex *v0,
const SWvertex *v1,
const SWvertex *v2)
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint w = c->Buffer->cwidth, h = c->Buffer->height;
#define INTERP_Z 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define SETUP_CODE GLuint rgb = vl_mixrgb(v2->color);
#define RENDER_SPAN(span) \
GLuint i, offset = FLIP2(span.y)*w + span.x; \
for (i = 0; i < span.count; i++, offset++) { \
const DEPTH_TYPE z = FixedToDepth(span.z); \
if (z < zRow[i]) { \
vl_putpixel(b, offset, rgb); \
zRow[i] = z; \
} \
span.z += span.zStep; \
}
#include "swrast/s_tritemp.h"
}
/*
* smooth, NON-depth-buffered, triangle.
*/
static void tri_rgb_smooth (GLcontext *ctx,
const SWvertex *v0,
const SWvertex *v1,
const SWvertex *v2)
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint w = c->Buffer->cwidth, h = c->Buffer->height;
#define INTERP_RGB 1
#define RENDER_SPAN(span) \
GLuint i, offset = FLIP2(span.y)*w + span.x; \
for (i = 0; i < span.count; i++, offset++) { \
unsigned char rgb[3]; \
rgb[0] = FixedToInt(span.red); \
rgb[1] = FixedToInt(span.green); \
rgb[2] = FixedToInt(span.blue); \
vl_putpixel(b, offset, vl_mixrgb(rgb)); \
span.red += span.redStep; \
span.green += span.greenStep; \
span.blue += span.blueStep; \
}
#include "swrast/s_tritemp.h"
}
/*
* smooth, depth-buffered, triangle.
*/
static void tri_rgb_smooth_z (GLcontext *ctx,
const SWvertex *v0,
const SWvertex *v1,
const SWvertex *v2)
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
void *b = c->Buffer->the_window;
GLuint w = c->Buffer->cwidth, h = c->Buffer->height;
#define INTERP_Z 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define INTERP_RGB 1
#define RENDER_SPAN(span) \
GLuint i, offset = FLIP2(span.y)*w + span.x; \
for (i = 0; i < span.count; i++, offset++) { \
const DEPTH_TYPE z = FixedToDepth(span.z); \
if (z < zRow[i]) { \
unsigned char rgb[3]; \
rgb[0] = FixedToInt(span.red); \
rgb[1] = FixedToInt(span.green); \
rgb[2] = FixedToInt(span.blue); \
vl_putpixel(b, offset, vl_mixrgb(rgb)); \
zRow[i] = z; \
} \
span.red += span.redStep; \
span.green += span.greenStep; \
span.blue += span.blueStep; \
span.z += span.zStep; \
}
#include "swrast/s_tritemp.h"
}
/*
* Analyze context state to see if we can provide a fast triangle function
* Otherwise, return NULL.
*/
static swrast_tri_func dmesa_choose_tri_function (GLcontext *ctx)
{
const SWcontext *swrast = SWRAST_CONTEXT(ctx);
if (ctx->RenderMode != GL_RENDER) return (swrast_tri_func) NULL;
if (ctx->Polygon.SmoothFlag) return (swrast_tri_func) NULL;
if (ctx->Texture._ReallyEnabled) return (swrast_tri_func) NULL;
if (ctx->Light.ShadeModel==GL_SMOOTH
&& swrast->_RasterMask==DEPTH_BIT
&& ctx->Depth.Func==GL_LESS
&& ctx->Depth.Mask==GL_TRUE
&& ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS
&& ctx->Polygon.StippleFlag==GL_FALSE) {
return tri_rgb_smooth_z;
}
if (ctx->Light.ShadeModel==GL_FLAT
&& swrast->_RasterMask==DEPTH_BIT
&& ctx->Depth.Func==GL_LESS
&& ctx->Depth.Mask==GL_TRUE
&& ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS
&& ctx->Polygon.StippleFlag==GL_FALSE) {
return tri_rgb_flat_z;
}
if (swrast->_RasterMask==0 /* no depth test */
&& ctx->Light.ShadeModel==GL_SMOOTH
&& ctx->Polygon.StippleFlag==GL_FALSE) {
return tri_rgb_smooth;
}
if (swrast->_RasterMask==0 /* no depth test */
&& ctx->Light.ShadeModel==GL_FLAT
&& ctx->Polygon.StippleFlag==GL_FALSE) {
return tri_rgb_flat;
}
return (swrast_tri_func)NULL;
}
/* Override for the swrast triangle-selection function. Try to use one
* of our internal line functions, otherwise fall back to the
* standard swrast functions.
*/
static void dmesa_choose_tri (GLcontext *ctx)
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
if (!(swrast->Triangle=dmesa_choose_tri_function(ctx)))
_swrast_choose_triangle(ctx);
}
@ -150,7 +481,7 @@ READ_RGBA_PIXELS(32)
static void clear_color (GLcontext *ctx, const GLchan color[4])
{
DMesaContext c = (DMesaContext)ctx->DriverCtx;
c->ClearColor = dv_color(color);
c->ClearColor = vl_mixrgba(color);
}
@ -171,15 +502,29 @@ static void clear (GLcontext *ctx, GLbitfield mask, GLboolean all,
*/
/* we can't handle color or index masking */
if (*colorMask==0xffffffff && ctx->Color.IndexMask==0xffffffff) {
if (mask&DD_BACK_LEFT_BIT) {
if (*colorMask==0xffffffff) {
if (mask & DD_BACK_LEFT_BIT) {
if (all) {
dv_clear_virtual(b->the_window, b->len, c->ClearColor);
if CHECK_SOFTDB(b->caps) {
vl_clear_virtual(b->the_window, b->len, c->ClearColor);
} else {
vl_clear(b->the_window, 0, 0, b->width, b->height, c->ClearColor);
}
} else {
dv_fillrect(b->the_window, b->width, x, y, width, height, c->ClearColor);
vl_clear(b->the_window, x, y, width, height, c->ClearColor);
}
mask &= ~DD_BACK_LEFT_BIT;
}
if (mask & DD_FRONT_LEFT_BIT) {
if (all) {
x = 0;
y = 0;
width = b->width;
height = b->height;
}
vl_clear(b->the_window, x, y, width, height, c->ClearColor);
mask &= ~DD_FRONT_LEFT_BIT;
}
}
if (mask) {
@ -208,7 +553,7 @@ static void set_read_buffer (GLcontext *ctx, GLframebuffer *buffer,
*/
static GLboolean set_draw_buffer (GLcontext *ctx, GLenum mode)
{
if (mode==GL_BACK_LEFT) {
if (mode==GL_BACK_LEFT || mode==GL_FRONT_LEFT) {
return GL_TRUE;
} else {
return GL_FALSE;
@ -276,6 +621,29 @@ static void flush (GLcontext *ctx)
#define DMESA_NEW_TRIANGLE (_NEW_POLYGON | \
_NEW_TEXTURE | \
_NEW_LIGHT | \
_NEW_DEPTH | \
_NEW_RENDERMODE | \
_SWRAST_NEW_RASTERMASK)
/* Extend the software rasterizer with our line and triangle
* functions.
*/
static void dmesa_register_swrast_functions (GLcontext *ctx)
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
swrast->choose_triangle = dmesa_choose_tri;
swrast->invalidate_triangle |= DMESA_NEW_TRIANGLE;
}
/* Setup pointers and other driver state that is constant for the life
* of a context.
*/
@ -361,44 +729,13 @@ static void dmesa_update_state (GLcontext *ctx, GLuint new_state)
swdd->SetReadBuffer = set_read_buffer;
/* RGB(A) span/pixel functions */
switch (c->visual->depth) {
case 15:
swdd->WriteRGBASpan = write_rgba_span_15;
swdd->WriteRGBSpan = write_rgb_span_15;
swdd->WriteMonoRGBASpan = write_mono_rgba_span_15;
swdd->WriteRGBAPixels = write_rgba_pixels_15;
swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels_15;
swdd->ReadRGBASpan = read_rgba_span_15;
swdd->ReadRGBAPixels = read_rgba_pixels_15;
break;
case 16:
swdd->WriteRGBASpan = write_rgba_span_16;
swdd->WriteRGBSpan = write_rgb_span_16;
swdd->WriteMonoRGBASpan = write_mono_rgba_span_16;
swdd->WriteRGBAPixels = write_rgba_pixels_16;
swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels_16;
swdd->ReadRGBASpan = read_rgba_span_16;
swdd->ReadRGBAPixels = read_rgba_pixels_16;
break;
case 24:
swdd->WriteRGBASpan = write_rgba_span_24;
swdd->WriteRGBSpan = write_rgb_span_24;
swdd->WriteMonoRGBASpan = write_mono_rgba_span_24;
swdd->WriteRGBAPixels = write_rgba_pixels_24;
swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels_24;
swdd->ReadRGBASpan = read_rgba_span_24;
swdd->ReadRGBAPixels = read_rgba_pixels_24;
break;
case 32:
swdd->WriteRGBASpan = write_rgba_span_32;
swdd->WriteRGBSpan = write_rgb_span_32;
swdd->WriteMonoRGBASpan = write_mono_rgba_span_32;
swdd->WriteRGBAPixels = write_rgba_pixels_32;
swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels_32;
swdd->ReadRGBASpan = read_rgba_span_32;
swdd->ReadRGBAPixels = read_rgba_pixels_32;
break;
}
swdd->WriteRGBASpan = write_rgba_span;
swdd->WriteRGBSpan = write_rgb_span;
swdd->WriteMonoRGBASpan = write_mono_rgba_span;
swdd->WriteRGBAPixels = write_rgba_pixels;
swdd->WriteMonoRGBAPixels = write_mono_rgba_pixels;
swdd->ReadRGBASpan = read_rgba_span;
swdd->ReadRGBAPixels = read_rgba_pixels;
}
@ -412,16 +749,16 @@ static void dmesa_update_state (GLcontext *ctx, GLuint new_state)
/*
* The exact arguments to this function will depend on your window system
*/
DMesaVisual DMesaCreateVisual (GLint colDepth, GLboolean dbFlag,
GLint depthSize, GLint stencilSize,
DMesaVisual DMesaCreateVisual (GLint width, GLint height, GLint colDepth,
GLboolean dbFlag, GLint depthSize,
GLint stencilSize,
GLint accumSize)
{
DMesaVisual v;
GLint redBits, greenBits, blueBits, alphaBits;
GLint caps;
if (!dbFlag) {
return NULL;
}
alphaBits = 0;
switch (colDepth) {
case 15:
redBits = 5;
@ -433,8 +770,9 @@ DMesaVisual DMesaCreateVisual (GLint colDepth, GLboolean dbFlag,
greenBits = 6;
blueBits = 5;
break;
case 24:
case 32:
alphaBits = 8;
case 24:
redBits = 8;
greenBits = 8;
blueBits = 8;
@ -442,7 +780,14 @@ DMesaVisual DMesaCreateVisual (GLint colDepth, GLboolean dbFlag,
default:
return NULL;
}
alphaBits = 8;
caps = 0;
if (!dbFlag) {
caps |= VL_SINGLE;
}
if (vl_video_init(width, height, colDepth, &caps)!=0) {
return NULL;
}
if ((v=(DMesaVisual)calloc(1, sizeof(struct dmesa_visual)))!=NULL) {
/* Create core visual */
@ -463,7 +808,7 @@ DMesaVisual DMesaCreateVisual (GLint colDepth, GLboolean dbFlag,
1); /* numSamples */
v->depth = colDepth;
v->db_flag = dbFlag;
v->caps = caps;
}
return v;
@ -473,6 +818,7 @@ DMesaVisual DMesaCreateVisual (GLint colDepth, GLboolean dbFlag,
void DMesaDestroyVisual (DMesaVisual v)
{
vl_video_exit();
_mesa_destroy_visual(v->gl_visual);
free(v);
}
@ -480,27 +826,27 @@ void DMesaDestroyVisual (DMesaVisual v)
DMesaBuffer DMesaCreateBuffer (DMesaVisual visual,
GLint width, GLint height,
GLint xpos, GLint ypos)
GLint xpos, GLint ypos,
GLint width, GLint height)
{
DMesaBuffer b;
if ((b=(DMesaBuffer)calloc(1, sizeof(struct dmesa_buffer)))!=NULL) {
if (visual->db_flag) {
if ((b->the_window=calloc(1, width*height*((visual->depth+7)/8)))==NULL) {
return NULL;
}
}
b->gl_buffer = _mesa_create_framebuffer(visual->gl_visual,
visual->gl_visual->depthBits > 0,
visual->gl_visual->stencilBits > 0,
visual->gl_visual->accumRedBits > 0,
visual->gl_visual->alphaBits > 0);
b->width = width;
b->height = height;
b->xpos = xpos;
b->ypos = ypos;
b->width = width;
b->height = height;
b->caps = visual->caps;
b->pitch = b->width*((visual->depth+7)/8);
b->len = b->pitch*b->height;
b->tri_rgb_flat = vl_getprim(TRI_RGB_FLAT);
}
return b;
@ -510,7 +856,9 @@ DMesaBuffer DMesaCreateBuffer (DMesaVisual visual,
void DMesaDestroyBuffer (DMesaBuffer b)
{
free(b->the_window);
if CHECK_SOFTDB(b->caps) {
free(b->the_window);
}
_mesa_destroy_framebuffer(b->gl_buffer);
free(b);
}
@ -528,6 +876,9 @@ DMesaContext DMesaCreateContext (DMesaVisual visual,
share ? share->gl_ctx : NULL,
(void *)c, direct);
_mesa_enable_sw_extensions(c->gl_ctx);
_mesa_enable_1_3_extensions(c->gl_ctx);
/* you probably have to do a bunch of other initializations here. */
c->visual = visual;
@ -538,6 +889,7 @@ DMesaContext DMesaCreateContext (DMesaVisual visual,
_tnl_CreateContext(c->gl_ctx);
_swsetup_CreateContext(c->gl_ctx);
dmesa_init_pointers(c->gl_ctx);
dmesa_register_swrast_functions(c->gl_ctx);
}
return c;
@ -559,13 +911,14 @@ void DMesaDestroyContext (DMesaContext c)
GLboolean DMesaMakeCurrent (DMesaContext c, DMesaBuffer b)
{
if (c&&b) {
c->Buffer = b;
if ((b->video=dv_select_mode(b->xpos, b->ypos, b->width, b->height, c->visual->depth, &b->delta, &b->offset))==NULL) {
void *ptr = vl_sync_buffer(b->the_window, b->xpos, b->ypos, b->width, b->height, &b->cwidth);
if (b->cwidth==-1) {
return GL_FALSE;
}
b->xsize = b->width*((c->visual->depth+7)/8);
b->len = b->xsize*b->height;
b->the_window = ptr;
c->Buffer = b;
dmesa_update_state(c->gl_ctx, 0);
_mesa_make_current(c->gl_ctx, b->gl_buffer);
@ -586,7 +939,5 @@ GLboolean DMesaMakeCurrent (DMesaContext c, DMesaBuffer b)
void DMesaSwapBuffers (DMesaBuffer b)
{
/* copy/swap back buffer to front if applicable */
if (b->the_window) {
dv_dump_virtual(b->the_window, b->xsize, b->height, b->offset, b->delta);
}
b->the_window = vl_flip(b->the_window, b->width, b->height, b->pitch);
}

90
src/mesa/main/Makefile.DJ
View File

@ -1,4 +1,26 @@
# DOS/DJGPP core makefile v0.1 for Mesa 4.0.x
# Mesa 3-D graphics library
# Version: 4.0
#
# 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 core makefile v0.2 for Mesa 4.0
#
# Copyright (C) 2002 - Borca Daniel
# Email : dborca@yahoo.com
@ -17,13 +39,14 @@ LIBDIR = $(TOP)/lib
GL_LIB = libgl.a
CORE_SOURCES = \
accum.c \
swrast_setup/ss_context.c \
swrast_setup/ss_triangle.c \
swrast_setup/ss_vb.c \
api_arrayelt.c \
api_loopback.c \
api_noop.c \
api_validate.c \
array_cache/ac_context.c \
array_cache/ac_import.c \
accum.c \
attrib.c \
blend.c \
buffers.c \
@ -53,6 +76,23 @@ CORE_SOURCES = \
imports.c \
light.c \
lines.c \
matrix.c \
mem.c \
mmath.c \
pixel.c \
points.c \
polygon.c \
rastpos.c \
state.c \
stencil.c \
texformat.c \
teximage.c \
texobj.c \
texstate.c \
texstore.c \
texutil.c \
varray.c \
vtxfmt.c \
math/m_debug_clip.c \
math/m_debug_norm.c \
math/m_debug_vertex.c \
@ -63,15 +103,8 @@ CORE_SOURCES = \
math/m_vector.c \
math/m_vertices.c \
math/m_xform.c \
matrix.c \
mem.c \
mmath.c \
pixel.c \
points.c \
polygon.c \
rastpos.c \
state.c \
stencil.c \
array_cache/ac_context.c \
array_cache/ac_import.c \
swrast/s_aaline.c \
swrast/s_aatriangle.c \
swrast/s_accum.c \
@ -80,8 +113,8 @@ CORE_SOURCES = \
swrast/s_bitmap.c \
swrast/s_blend.c \
swrast/s_buffers.c \
swrast/s_context.c \
swrast/s_copypix.c \
swrast/s_context.c \
swrast/s_depth.c \
swrast/s_drawpix.c \
swrast/s_feedback.c \
@ -98,19 +131,10 @@ CORE_SOURCES = \
swrast/s_scissor.c \
swrast/s_span.c \
swrast/s_stencil.c \
swrast/s_texstore.c \
swrast/s_texture.c \
swrast/s_texstore.c \
swrast/s_triangle.c \
swrast/s_zoom.c \
swrast_setup/ss_context.c \
swrast_setup/ss_triangle.c \
swrast_setup/ss_vb.c \
texformat.c \
teximage.c \
texobj.c \
texstate.c \
texstore.c \
texutil.c \
tnl/t_array_api.c \
tnl/t_array_import.c \
tnl/t_context.c \
@ -131,11 +155,9 @@ CORE_SOURCES = \
tnl/t_vb_render.c \
tnl/t_vb_texgen.c \
tnl/t_vb_texmat.c \
tnl/t_vb_vertex.c \
varray.c \
vtxfmt.c
tnl/t_vb_vertex.c
DRIVER_SOURCES = DOS/dmesa.c DOS/dvesa.c
DRIVER_SOURCES = DOS/dmesa.c DOS/video.c DOS/vbeaf.c DOS/dpmi.c
SOURCES = $(CORE_SOURCES) $(DRIVER_SOURCES)
@ -157,7 +179,11 @@ include depend
DOS/dmesa.o: DOS/dmesa.c glheader.h ../include/GL/gl.h context.h glapi.h \
mtypes.h config.h glapitable.h glthread.h math/m_matrix.h dd.h \
../include/GL/dmesa.h matrix.h texformat.h texstore.h array_cache/acache.h \
swrast/swrast.h swrast_setup/swrast_setup.h tnl/tnl.h tnl/t_context.h \
math/m_vector.h math/m_xform.h tnl/t_pipeline.h DOS/dvesa.h DOS/dmesaint.h
DOS/dvesa.o: DOS/dvesa.c DOS/dvesa.h
../include/GL/dmesa.h extensions.h macros.h matrix.h mmath.h texformat.h \
texstore.h array_cache/acache.h swrast/s_context.h swrast/swrast.h \
swrast/s_depth.h swrast/s_lines.h swrast/s_triangle.h swrast/s_trispan.h \
swrast_setup/swrast_setup.h tnl/tnl.h tnl/t_context.h math/m_vector.h \
math/m_xform.h tnl/t_pipeline.h DOS/video.h swrast/s_tritemp.h
DOS/dpmi.o: DOS/dpmi.c DOS/vbeaf.h DOS/dpmiint.h
DOS/vbeaf.o: DOS/vbeaf.c DOS/dpmiint.h DOS/vbeaf.h DOS/video.h
DOS/video.o: DOS/video.c DOS/video.h DOS/dpmiint.h DOS/vbeafint.h DOS/vbeaf.h