DOS/Mesa driver updates (Daniel Borca)

4 files changed, 75 insertions, 52 deletions

diff --git a/src/glut/dos/Makefile.DJ b/src/glut/dos/Makefile.DJ
index 7cacd8d009..7a26eb2d0c 100644
--- a/src/glut/dos/Makefile.DJ
+++ b/src/glut/dos/Makefile.DJ
@@ -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 v0.2 for Mesa 4.0

+# DOS/DJGPP glut makefile v0.4 for Mesa 4.0

 #

 #  Copyright (C) 2002 - Borca Daniel

 #  Email : dborca@yahoo.com

@@ -36,7 +36,15 @@ AR = ar
 ARFLAGS = ruv

 LIBDIR = $(TOP)/lib

 

+ifeq ($(wildcard $(DJDIR)/lib/dxe2.ld),)

+DXE2GEN =

+else

+DXE2GEN = $(wildcard $(addsuffix /dxe2gen.exe,$(subst ;, ,$(PATH))))

+endif

+

 GLUT_LIB = libglut.a

+GLUT_DXE = glut.dxe

+GLUT_IMP = libiglut.a

 

 CORE_SOURCES = \

 	callback.c \

@@ -69,11 +77,19 @@ OBJECTS = $(SOURCES:.c=.o) $(PC_HW_OBJECTS)
 .c.o:

 	gcc -o $@ -c $(CFLAGS) $<

 

-all: $(LIBDIR)/$(GLUT_LIB)

+all: $(LIBDIR)/$(GLUT_LIB) $(LIBDIR)/$(GLUT_DXE) $(LIBDIR)/$(GLUT_IMP)

 

 $(LIBDIR)/$(GLUT_LIB): $(OBJECTS)

 	$(AR) $(ARFLAGS) $(LIBDIR)/$(GLUT_LIB) $(OBJECTS)

 

+$(LIBDIR)/$(GLUT_DXE) $(LIBDIR)/$(GLUT_IMP): $(OBJECTS)

+ifeq ($(DXE2GEN),)

+	@echo Missing DXE2GEN and/or DXE2.LD! You must have DXE2GEN

+	@echo somewhere in PATH, and DXE2.LD in DJGPP/LIB directory.

+else

+	dxe2gen -o $(LIBDIR)/$(GLUT_DXE) -I $(LIBDIR)/$(GLUT_IMP) $(OBJECTS) -D "DOS Glut" -U

+endif

+

 clean:

 	-$(RM) *.o

 	-$(RM) PC_HW\*.o

diff --git a/src/glut/dos/PC_HW/pc_keyb.c b/src/glut/dos/PC_HW/pc_keyb.c
index f5f4bd8e76..d3987d8e34 100644
--- a/src/glut/dos/PC_HW/pc_keyb.c
+++ b/src/glut/dos/PC_HW/pc_keyb.c
@@ -1,5 +1,5 @@
 /*

- * PC/HW routine collection v0.1 for DOS/DJGPP

+ * PC/HW routine collection v0.4 for DOS/DJGPP

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

@@ -32,7 +32,7 @@ static volatile struct {
 static volatile int key_enhanced, key_pause_loop, key_shifts;

 static int leds_ok = TRUE;

 static int in_a_terrupt = FALSE;

-volatile char pc_key[KEY_MAX];

+static volatile char pc_key[KEY_MAX];

 

 

 

@@ -400,6 +400,10 @@ static int keyboard ()
  }

 

  if (((temp==0x4F)||(temp==0x53))&&(key_shifts&KB_CTRL_FLAG)&&(key_shifts&KB_ALT_FLAG)) {

+    /* Hack alert:

+       only SIGINT (but not Ctrl-Break)

+       calls the destructors and will safely clean up

+    */

     __asm__("\n\

 		movb	$0x79, %%al		\n\

 		call	___djgpp_hw_exception	\n\

@@ -436,6 +440,11 @@ int pc_readkey (void)
  }

 }

 

+int pc_keydown (int code)

+{

+ return pc_key[code];

+}

+

 void pc_remove_keyb (void)

 {

  if (keyboard_installed) {

diff --git a/src/glut/dos/PC_HW/pc_mouse.c b/src/glut/dos/PC_HW/pc_mouse.c
index 2a692eceb6..aa1fbe4da7 100644
--- a/src/glut/dos/PC_HW/pc_mouse.c
+++ b/src/glut/dos/PC_HW/pc_mouse.c
@@ -1,5 +1,5 @@
 /*

- * PC/HW routine collection v0.2 for DOS/DJGPP

+ * PC/HW routine collection v0.4 for DOS/DJGPP

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

@@ -29,7 +29,7 @@ static void *mouse_stack;
 static long mouse_callback;

 static __dpmi_regs mouse_regs;

 

-volatile int pc_mouse_x, pc_mouse_y, pc_mouse_b;

+static volatile int pc_mouse_x, pc_mouse_y, pc_mouse_b;

 

 static int minx = 0;

 static int maxx = 319;

@@ -205,6 +205,13 @@ void pc_mouse_speed (int xspeed, int yspeed)
  ENABLE();

 }

 

+int pc_query_mouse (int *x, int *y)

+{

+ *x = pc_mouse_x;

+ *y = pc_mouse_y;

+ return pc_mouse_b;

+}

+

 void pc_show_mouse (void)

 {

  /* not implemented */

diff --git a/src/glut/dos/init.c b/src/glut/dos/init.c
index 41170e37c9..9cda3a8b5b 100644
--- a/src/glut/dos/init.c
+++ b/src/glut/dos/init.c
@@ -19,7 +19,7 @@
  */

 

 /*

- * DOS/DJGPP glut driver v0.2 for Mesa 4.0

+ * DOS/DJGPP glut driver v0.4 for Mesa 4.0

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

@@ -27,30 +27,13 @@
  */

 

 

-#include <signal.h>

 #include "GL/glut.h"

 #include "internal.h"

 

 

-static void *old_sig_int  = NULL;

-

-

-static void signal_handler (int num)

-{

- signal(SIGINT, old_sig_int);

-

- raise(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

- */

- old_sig_int = signal(SIGINT, signal_handler);

 }

 

 

@@ -133,34 +116,42 @@ void APIENTRY glutMainLoop (void)
           }

        }

 

-       if (g_mouse && motion_func && ((pc_mouse_x != old_mouse_x) || (pc_mouse_y != old_mouse_y))) {

-          idle        = GL_FALSE;

-          old_mouse_x = pc_mouse_x;

-          old_mouse_y = pc_mouse_y;

-

-          motion_func(old_mouse_x, old_mouse_y);

-       }

-

-       if (g_mouse && mouse_func && (pc_mouse_b != old_mouse_b)) {

-          int new_mouse_b = pc_mouse_b;

-

-          if ((old_mouse_b & 1) && !(new_mouse_b & 1))

-             mouse_func(GLUT_LEFT_BUTTON, GLUT_UP,   pc_mouse_x, pc_mouse_y);

-          else if (!(old_mouse_b & 1) && (new_mouse_b & 1))

-             mouse_func(GLUT_LEFT_BUTTON, GLUT_DOWN, pc_mouse_x, pc_mouse_y);

-

-          if ((old_mouse_b & 2) && !(new_mouse_b & 2))

-             mouse_func(GLUT_RIGHT_BUTTON, GLUT_UP,   pc_mouse_x, pc_mouse_y);

-          else if (!(old_mouse_b & 2) && (new_mouse_b & 2))

-             mouse_func(GLUT_RIGHT_BUTTON, GLUT_DOWN, pc_mouse_x, pc_mouse_y);

-

-          if ((old_mouse_b & 4) && !(new_mouse_b & 4))

-             mouse_func(GLUT_MIDDLE_BUTTON, GLUT_UP,   pc_mouse_x, pc_mouse_y);

-          else if (!(old_mouse_b & 3) && (new_mouse_b & 4))

-             mouse_func(GLUT_MIDDLE_BUTTON, GLUT_DOWN, pc_mouse_x, pc_mouse_y);

-

-          idle        = GL_FALSE;

-          old_mouse_b = new_mouse_b;

+       if (g_mouse) {

+          int mouse_x;

+          int mouse_y;

+          int mouse_b;

+       

+          mouse_b = pc_query_mouse(&mouse_x, &mouse_y);

+          

+          if (motion_func && ((mouse_x != old_mouse_x) || (mouse_y != old_mouse_y))) {

+             idle        = GL_FALSE;

+             old_mouse_x = mouse_x;

+             old_mouse_y = mouse_y;

+   

+             motion_func(old_mouse_x, old_mouse_y);

+          }

+   

+          if (mouse_func && (mouse_b != old_mouse_b)) {

+             int new_mouse_b = mouse_b;

+   

+             if ((old_mouse_b & 1) && !(new_mouse_b & 1))

+                mouse_func(GLUT_LEFT_BUTTON, GLUT_UP,   mouse_x, mouse_y);

+             else if (!(old_mouse_b & 1) && (new_mouse_b & 1))

+                mouse_func(GLUT_LEFT_BUTTON, GLUT_DOWN, mouse_x, mouse_y);

+   

+             if ((old_mouse_b & 2) && !(new_mouse_b & 2))

+                mouse_func(GLUT_RIGHT_BUTTON, GLUT_UP,   mouse_x, mouse_y);

+             else if (!(old_mouse_b & 2) && (new_mouse_b & 2))

+                mouse_func(GLUT_RIGHT_BUTTON, GLUT_DOWN, mouse_x, mouse_y);

+   

+             if ((old_mouse_b & 4) && !(new_mouse_b & 4))

+                mouse_func(GLUT_MIDDLE_BUTTON, GLUT_UP,   mouse_x, mouse_y);

+             else if (!(old_mouse_b & 3) && (new_mouse_b & 4))

+                mouse_func(GLUT_MIDDLE_BUTTON, GLUT_DOWN, mouse_x, mouse_y);

+   

+             idle        = GL_FALSE;

+             old_mouse_b = new_mouse_b;

+          }

        }

 

        if (idle && idle_func)