updates from Daniel Borca

6 files changed, 174 insertions, 54 deletions

diff --git a/src/glut/dos/Makefile.DJ b/src/glut/dos/Makefile.DJ
index 02bc31b10c..698c80ce3c 100644
--- a/src/glut/dos/Makefile.DJ
+++ b/src/glut/dos/Makefile.DJ
@@ -20,36 +20,65 @@
 # 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 v1.0 for Mesa 4.0

+# DOS/DJGPP glut makefile v1.1 for Mesa 4.0

 #

 #  Copyright (C) 2002 - Borca Daniel

 #  Email : dborca@yahoo.com

 #  Web   : http://www.geocities.com/dborca

 

 

+#

+#  Available options:

+#

+#    Environment variables:

+#	CFLAGS

+#

+#	GLIDE		absolute path to Glide SDK; used with FX.

+#			default = $(TOP)/include/glide3

+#	FX=1		build for 3dfx Glide3; use it if you have the glide

+#			SDK (designed for your platform), and, of course, a

+#			3dfx card... Note that this disables compilation of

+#			actual DMesa code, as Glide does all the stuff!

+#			default = no

+#	MARK		absolute path to original GLUT.

+#			default = $(TOP)/src-glut

+#

+#    Targets:

+#	all:		build GLUT

+#	clean:		remove object files

+#

+

+

+

 .PHONY: all clean

 

 TOP = ..

+GLIDE ?= $(TOP)/include/glide3

+MARK ?= $(TOP)/src-glut

+LIBDIR = $(TOP)/lib

+GLUT_LIB = libglut.a

+GLUT_DXE = glut.dxe

+GLUT_IMP = libiglut.a

+

 CC = gcc

-CFLAGS = -I$(TOP)/include -Wall -W -Wno-unused -mcpu=$(CPU) -ffast-math -O2

+CFLAGS += -I$(TOP)/include -I$(MARK)

+ifdef FX

+CFLAGS += -D__DOS__ -I$(GLIDE) -DFX -DFX_GLIDE3 -DFXMESA_USE_ARGB

+endif

+

 AR = ar

-ARFLAGS = ruv

-LIBDIR = $(TOP)/lib

+ARFLAGS = ru

 

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

-DXE2GEN =

-else

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

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

 endif

 

-GLUT_LIB = libglut.a

-GLUT_DXE = glut.dxe

-GLUT_IMP = libiglut.a

+RM = del

 

 CORE_SOURCES = \

+	bitmap.c \

 	callback.c \

 	color.c \

-	font.c \

 	globals.c \

 	init.c \

 	menu.c \

@@ -66,16 +95,25 @@ PC_HW_SOURCES = \
 	PC_HW/pc_timer.c \

 	PC_HW/pc_irq.S

 

-SOURCES = $(CORE_SOURCES) $(PC_HW_SOURCES)

+MARK_SOURCES = \

+	$(MARK)/glut_8x13.c \

+	$(MARK)/glut_9x15.c \

+	$(MARK)/glut_hel10.c \

+	$(MARK)/glut_hel12.c \

+	$(MARK)/glut_hel18.c \

+	$(MARK)/glut_tr10.c \

+	$(MARK)/glut_tr24.c

+

+SOURCES = $(CORE_SOURCES) $(PC_HW_SOURCES) $(MARK_SOURCES)

 

 OBJECTS = $(addsuffix .o,$(basename $(SOURCES)))

 

 .c.o:

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

+	$(CC) -o $@ -c $(CFLAGS) $<

 .S.o:

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

+	$(CC) -o $@ -c $(CFLAGS) $<

 .s.o:

-	gcc -o $@ -c $(CFLAGS) $(<:.s=.S)

+	$(CC) -o $@ -c $(CFLAGS) -x assembler-with-cpp $<

 

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

 

@@ -87,28 +125,12 @@ ifeq ($(DXE2GEN),)
 	$(warning Missing DXE2GEN and/or DXE2.LD! You must have DXE2GEN)

 	$(warning somewhere in PATH, and DXE2.LD in DJGPP/LIB directory.)

 else

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

+	-dxe2gen -o $(LIBDIR)/$(GLUT_DXE) -I $(LIBDIR)/$(GLUT_IMP) $(OBJECTS) -E djgpp_ -E glut -D "Mesa DJGPP GLUT" -U

 endif

 

 clean:

-	-$(RM) *.o

-	-$(RM) PC_HW\*.o

-

-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

+	-$(RM) $(subst /,\,*.o)

+	-$(RM) $(subst /,\,PC_HW/*.o)

+	-$(RM) $(subst /,\,$(MARK)/*.o)

+

+-include depend

diff --git a/src/glut/dos/PC_HW/pc_hw.h b/src/glut/dos/PC_HW/pc_hw.h
index 47fcf78d0c..fd0e777953 100644
--- a/src/glut/dos/PC_HW/pc_hw.h
+++ b/src/glut/dos/PC_HW/pc_hw.h
@@ -1,5 +1,5 @@
 /*

- * PC/HW routine collection v1.0 for DOS/DJGPP

+ * PC/HW routine collection v1.1 for DOS/DJGPP

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

@@ -45,8 +45,8 @@ void *pc_malloc (size_t size);
 /*

  * IRQ

  */

-#define ENABLE()  __asm__ __volatile__ ("sti")

-#define DISABLE() __asm__ __volatile__ ("cli")

+#define ENABLE()  __asm __volatile ("sti")

+#define DISABLE() __asm __volatile ("cli")

 

 extern int pc_install_irq (int i, int (*handler) ());

 extern int pc_remove_irq (int i);

diff --git a/src/glut/dos/PC_HW/pc_keyb.c b/src/glut/dos/PC_HW/pc_keyb.c
index 50ef94b797..fb22923d63 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 v1.0 for DOS/DJGPP

+ * PC/HW routine collection v1.1 for DOS/DJGPP

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

@@ -201,7 +201,7 @@ static unsigned char numlock_table[10] =
 /* kb_wait_for_write_ready:

  *  Wait for the keyboard controller to set the ready-for-write bit.

  */

-static __inline__ int kb_wait_for_write_ready (void)

+static __inline int kb_wait_for_write_ready (void)

 {

  int timeout = 4096;

 

@@ -215,7 +215,7 @@ static __inline__ int kb_wait_for_write_ready (void)
 /* kb_wait_for_read_ready:

  *  Wait for the keyboard controller to set the ready-for-read bit.

  */

-static __inline__ int kb_wait_for_read_ready (void)

+static __inline int kb_wait_for_read_ready (void)

 {

  int timeout = 16384;

 

@@ -229,7 +229,7 @@ static __inline__ int kb_wait_for_read_ready (void)
 /* kb_send_data:

  *  Sends a byte to the keyboard controller. Returns 1 if all OK.

  */

-static __inline__ int kb_send_data (unsigned char data)

+static __inline int kb_send_data (unsigned char data)

 {

  int resends = 4;

  int timeout, temp;

@@ -357,9 +357,9 @@ static void handle_code (int scancode, int keycode)
  in_a_terrupt--;

 } ENDOFUNC(handle_code)

 

-static __inline__ void satisfy (void)

+static __inline void satisfy (void)

 {

- __asm__("\n\

+ __asm("\n\

 		inb	$0x61, %%al	\n\

 		movb	%%al, %%ah	\n\

 		orb	$0x80, %%al	\n\

@@ -404,7 +404,7 @@ static int keyboard ()
        only SIGINT (but not Ctrl-Break)

        calls the destructors and will safely clean up

     */

-    __asm__("\n\

+    __asm("\n\

 		movb	$0x79, %%al		\n\

 		call	___djgpp_hw_exception	\n\

     ":::"%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory");

diff --git a/src/glut/dos/PC_HW/pc_mouse.c b/src/glut/dos/PC_HW/pc_mouse.c
index 72d3886d5c..5a04cf2191 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 v1.0 for DOS/DJGPP

+ * PC/HW routine collection v1.1 for DOS/DJGPP

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

@@ -17,7 +17,7 @@
 

 #define CLEAR_MICKEYS() \

         do { \

-            __asm__ __volatile__ ("movw $0xb, %%ax; int $0x33":::"%eax", "%ecx", "%edx"); \

+            __asm __volatile ("movw $0xb, %%ax; int $0x33":::"%eax", "%ecx", "%edx"); \

             ox = oy = 0; \

         } while (0)

 

@@ -71,7 +71,7 @@ void pc_remove_mouse (void)
 {

  if (mouse_callback) {

     pc_clexit(pc_remove_mouse);

-    __asm__("\n\

+    __asm("\n\

 		movl	%%edx, %%ecx	\n\

 		shrl	$16, %%ecx	\n\

 		movw	$0x0304, %%ax	\n\

@@ -97,7 +97,7 @@ int pc_install_mouse (void)
  }

 

  /* reset mouse and get status */

- __asm__("\n\

+ __asm("\n\

 		xorl	%%eax, %%eax	\n\

 		int	$0x33		\n\

 		andl	%%ebx, %%eax	\n\

@@ -133,7 +133,7 @@ int pc_install_mouse (void)
  }

 

  /* try to hook a call-back */

- __asm__("\n\

+ __asm("\n\

 		pushl	%%ds		\n\

 		pushl	%%es		\n\

 		movw	$0x0303, %%ax	\n\

@@ -225,7 +225,7 @@ void pc_unscare_mouse (void)
  /* not implemented */

 }

 

-__asm__("\n\

+__asm("\n\

 		.balign	4				\n\

 		.global	_mouse_wrapper			\n\

 _mouse_wrapper:						\n\

diff --git a/src/glut/dos/bitmap.c b/src/glut/dos/bitmap.c
new file mode 100644
index 0000000000..11d539a19a
--- /dev/null
+++ b/src/glut/dos/bitmap.c
@@ -0,0 +1,56 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/* This program is freely distributable without licensing fees
+   and is provided without guarantee or warrantee expressed or
+   implied. This program is -not- in the public domain. */
+
+#include "glutbitmap.h"
+
+void APIENTRY 
+glutBitmapCharacter(GLUTbitmapFont font, int c)
+{
+  const BitmapCharRec *ch;
+  BitmapFontPtr fontinfo;
+  GLint swapbytes, lsbfirst, rowlength;
+  GLint skiprows, skippixels, alignment;
+
+#if defined(_WIN32)
+  fontinfo = (BitmapFontPtr) __glutFont(font);
+#else
+  fontinfo = (BitmapFontPtr) font;
+#endif
+
+  if (c < fontinfo->first ||
+    c >= fontinfo->first + fontinfo->num_chars)
+    return;
+  ch = fontinfo->ch[c - fontinfo->first];
+  if (ch) {
+    /* Save current modes. */
+    glGetIntegerv(GL_UNPACK_SWAP_BYTES, &swapbytes);
+    glGetIntegerv(GL_UNPACK_LSB_FIRST, &lsbfirst);
+    glGetIntegerv(GL_UNPACK_ROW_LENGTH, &rowlength);
+    glGetIntegerv(GL_UNPACK_SKIP_ROWS, &skiprows);
+    glGetIntegerv(GL_UNPACK_SKIP_PIXELS, &skippixels);
+    glGetIntegerv(GL_UNPACK_ALIGNMENT, &alignment);
+    /* Little endian machines (DEC Alpha for example) could
+       benefit from setting GL_UNPACK_LSB_FIRST to GL_TRUE
+       instead of GL_FALSE, but this would require changing the
+       generated bitmaps too. */
+    glPixelStorei(GL_UNPACK_SWAP_BYTES, GL_FALSE);
+    glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
+    glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+    glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
+    glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    glBitmap(ch->width, ch->height, ch->xorig, ch->yorig,
+      ch->advance, 0, ch->bitmap);
+    /* Restore saved modes. */
+    glPixelStorei(GL_UNPACK_SWAP_BYTES, swapbytes);
+    glPixelStorei(GL_UNPACK_LSB_FIRST, lsbfirst);
+    glPixelStorei(GL_UNPACK_ROW_LENGTH, rowlength);
+    glPixelStorei(GL_UNPACK_SKIP_ROWS, skiprows);
+    glPixelStorei(GL_UNPACK_SKIP_PIXELS, skippixels);
+    glPixelStorei(GL_UNPACK_ALIGNMENT, alignment);
+  }
+}
diff --git a/src/glut/dos/window.c b/src/glut/dos/window.c
index f43533ce5f..384e10a03b 100644
--- a/src/glut/dos/window.c
+++ b/src/glut/dos/window.c
@@ -19,7 +19,7 @@
  */

 

 /*

- * DOS/DJGPP glut driver v1.0 for Mesa 4.0

+ * DOS/DJGPP glut driver v1.1 for Mesa 4.0

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

@@ -28,16 +28,26 @@
 

 

 #include "GL/glut.h"

+#ifndef FX

 #include "GL/dmesa.h"

+#else

+#include "GL/fxmesa.h"

+#endif

 #include "internal.h"

 

 

 

 static int window;

 

+#ifndef FX

 static DMesaVisual  visual  = NULL;

 static DMesaContext context = NULL;

 static DMesaBuffer  buffer[MAX_WINDOWS];

+#else

+static void *visual = NULL;

+static fxMesaContext context = NULL;

+static int fx_attrib[32];

+#endif

 

 

 

@@ -48,8 +58,12 @@ static void clean (void)
  for (i=0; i<MAX_WINDOWS; i++) {

      glutDestroyWindow(i+1);

  }

+#ifndef FX

  if (context) DMesaDestroyContext(context);

  if (visual)  DMesaDestroyVisual(visual);

+#else

+ if (context) fxMesaDestroyContext(context);

+#endif

 

  pc_close_stdout();

  pc_close_stderr();

@@ -76,6 +90,7 @@ int APIENTRY glutCreateWindow (const char *title)
        screen_h = 768;

     }

 

+#ifndef FX

     if ((visual=DMesaCreateVisual(screen_w, screen_h, DEFAULT_BPP,

                                   g_display_mode & GLUT_DOUBLE,

                                   g_display_mode & GLUT_DEPTH  ?DEPTH_SIZE  :0,

@@ -88,12 +103,24 @@ int APIENTRY glutCreateWindow (const char *title)
        DMesaDestroyVisual(visual);

        return 0;

     }

+#else

+    i = 0;

+    if (g_display_mode & GLUT_DOUBLE) fx_attrib[i++] = FXMESA_DOUBLEBUFFER;

+    if (g_display_mode & GLUT_DEPTH) { fx_attrib[i++] = FXMESA_DEPTH_SIZE; fx_attrib[i++] = DEPTH_SIZE; }

+    if (g_display_mode & GLUT_STENCIL) { fx_attrib[i++] = FXMESA_STENCIL_SIZE; fx_attrib[i++] = STENCIL_SIZE; }

+    if (g_display_mode & GLUT_ACCUM) { fx_attrib[i++] = FXMESA_ACCUM_SIZE; fx_attrib[i++] = ACCUM_SIZE; }

+    fx_attrib[i] = FXMESA_NONE;

+    if ((context=fxMesaCreateBestContext(-1, screen_w, screen_h, fx_attrib))==NULL) {

+       return 0;

+    }

+#endif

     

     pc_open_stdout();

     pc_open_stderr();

     pc_atexit(clean);

  }

 

+#ifndef FX

  for (i=0; i<MAX_WINDOWS; i++) {

      if (!buffer[i]) {

         DMesaBuffer b;

@@ -115,6 +142,11 @@ int APIENTRY glutCreateWindow (const char *title)
  }

 

  return 0;

+#else

+ fxMesaMakeCurrent(context);

+

+ return 1;

+#endif

 }

 

 

@@ -126,10 +158,12 @@ int APIENTRY glutCreateSubWindow (int win, int x, int y, int width, int height)
 

 void APIENTRY glutDestroyWindow (int win)

 {

+#ifndef FX

  if (buffer[win-1]) {

     DMesaDestroyBuffer(buffer[win-1]);

     buffer[win-1] = NULL;

  }

+#endif

 }

 

 

@@ -142,7 +176,11 @@ void APIENTRY glutPostRedisplay (void)
 void APIENTRY glutSwapBuffers (void)

 {

  if (g_mouse) pc_scare_mouse();

+#ifndef FX

  DMesaSwapBuffers(buffer[window]);

+#else

+ fxMesaSwapBuffers();

+#endif

  if (g_mouse) pc_unscare_mouse();

 }

 

@@ -171,15 +209,18 @@ void APIENTRY glutSetIconTitle (const char *title)
 

 void APIENTRY glutPositionWindow (int x, int y)

 {

+#ifndef FX

  if (DMesaViewport(buffer[window], x, y, g_width, g_height)) {

     g_xpos = x;

     g_ypos = y;

  }

+#endif

 }

 

 

 void APIENTRY glutReshapeWindow (int width, int height)

 {

+#ifndef FX

  if (DMesaViewport(buffer[window], g_xpos, g_ypos, width, height)) {

     g_width = width;

     g_height = height;

@@ -189,6 +230,7 @@ void APIENTRY glutReshapeWindow (int width, int height)
        glViewport(0, 0, width, height);

     }

  }

+#endif

 }