DOS updates from Daniel Borca.

8 files changed, 105 insertions, 143 deletions

diff --git a/src/glut/dos/Makefile.DJ b/src/glut/dos/Makefile.DJ
index 698c80ce3c..fed1f42e8c 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 v1.1 for Mesa 4.0

+# DOS/DJGPP glut makefile v1.3 for Mesa 5.0

 #

 #  Copyright (C) 2002 - Borca Daniel

 #  Email : dborca@yahoo.com

@@ -33,14 +33,7 @@
 #    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.

+#	MKGLUT		absolute path to original GLUT.

 #			default = $(TOP)/src-glut

 #

 #    Targets:

@@ -54,23 +47,20 @@
 

 TOP = ..

 GLIDE ?= $(TOP)/include/glide3

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

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

 LIBDIR = $(TOP)/lib

 GLUT_LIB = libglut.a

 GLUT_DXE = glut.dxe

 GLUT_IMP = libiglut.a

 

 CC = gcc

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

-ifdef FX

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

-endif

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

 

 AR = ar

 ARFLAGS = ru

 

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

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

+ifneq ($(wildcard $(DJDIR)/lib/dxe3.ld),)

+DXE3GEN = $(wildcard $(addsuffix /dxe3gen.exe,$(subst ;, ,$(PATH))))

 endif

 

 RM = del

@@ -95,25 +85,25 @@ PC_HW_SOURCES = \
 	PC_HW/pc_timer.c \

 	PC_HW/pc_irq.S

 

-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

+MKGLUT_SOURCES = \

+	$(MKGLUT)/glut_8x13.c \

+	$(MKGLUT)/glut_9x15.c \

+	$(MKGLUT)/glut_hel10.c \

+	$(MKGLUT)/glut_hel12.c \

+	$(MKGLUT)/glut_hel18.c \

+	$(MKGLUT)/glut_tr10.c \

+	$(MKGLUT)/glut_tr24.c

 

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

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

 

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

 

 .c.o:

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

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

 .S.o:

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

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

 .s.o:

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

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

 

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

 

@@ -121,16 +111,16 @@ $(LIBDIR)/$(GLUT_LIB): $(OBJECTS)
 	$(AR) $(ARFLAGS) $(LIBDIR)/$(GLUT_LIB) $(OBJECTS)

 

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

-ifeq ($(DXE2GEN),)

-	$(warning Missing DXE2GEN and/or DXE2.LD! You must have DXE2GEN)

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

+ifeq ($(DXE3GEN),)

+	$(warning Missing DXE3GEN and/or DXE3.LD! You must have DXE3GEN)

+	$(warning somewhere in PATH, and DXE3.LD in DJGPP/LIB directory.)

 else

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

+	-dxe3gen -o $(LIBDIR)/$(GLUT_DXE) -I $(LIBDIR)/$(GLUT_IMP) -D "MesaGLUT DJGPP" -E glut -X -P gl.dxe -P glu.dxe -U $(OBJECTS)

 endif

 

 clean:

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

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

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

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

 

 -include depend

diff --git a/src/glut/dos/PC_HW/pc_hw.c b/src/glut/dos/PC_HW/pc_hw.c
index 9b30c5808c..867daf89b0 100644
--- a/src/glut/dos/PC_HW/pc_hw.c
+++ b/src/glut/dos/PC_HW/pc_hw.c
@@ -1,5 +1,5 @@
 /*

- * PC/HW routine collection v1.2 for DOS/DJGPP

+ * PC/HW routine collection v1.3 for DOS/DJGPP

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

@@ -73,21 +73,25 @@ void *pc_malloc (size_t size)
 /*

  * standard redirection

  */

-static int h_out, h_outbak, h_err, h_errbak;

+#define STDOUT 1

+#define STDERR 2

+

+static char outname[L_tmpnam];

+static int h_out, h_outbak;

+static char errname[L_tmpnam];

+static int h_err, h_errbak;

 

 int pc_open_stdout (void)

 {

- if ((h_out=open(tmpnam(NULL), O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_TEMPORARY, S_IRUSR | S_IWUSR)) >= 0) {

-    if ((h_outbak=dup(1)) != -1) {

-       fflush(stdout);

-       if (dup2(h_out, 1) != -1) {

-          return 0;

-       }

-       close(h_outbak);

-    }

-    close(h_out);

+ tmpnam(outname);

+

+ if ((h_out=open(outname, O_WRONLY | O_CREAT | O_TEXT | O_TRUNC, S_IREAD | S_IWRITE)) > 0) {

+    h_outbak = dup(STDOUT);

+    fflush(stdout);

+    dup2(h_out, STDOUT);

  }

- return (h_out = -1);

+

+ return h_out;

 }

 

 void pc_close_stdout (void)

@@ -95,35 +99,32 @@ void pc_close_stdout (void)
  FILE *f;

  char *line = alloca(512);

 

- if (h_out >= 0) {

-    dup2(h_outbak, 1);

+ if (h_out > 0) {

+    dup2(h_outbak, STDOUT);

+    close(h_out);

     close(h_outbak);

 

-    if ((f=fdopen(h_out, "r")) != NULL) {

-       fseek(f, 0, SEEK_SET);

-       while (fgets(line, 512, f)) {

-             fputs(line, stdout);

-       }

-       fclose(f);

-    } else {

-       close(h_out);

+    f = fopen(outname, "rt");

+    while (fgets(line, 512, f)) {

+          fputs(line, stdout);

     }

+    fclose(f);

+

+    remove(outname);

  }

 }

 

 int pc_open_stderr (void)

 {

- if ((h_err=open(tmpnam(NULL), O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_TEMPORARY, S_IRUSR | S_IWUSR)) >= 0) {

-    if ((h_errbak=dup(2)) != -1) {

-       fflush(stderr);

-       if (dup2(h_err, 2) != -1) {

-          return 0;

-       }

-       close(h_errbak);

-    }

-    close(h_err);

+ tmpnam(errname);

+

+ if ((h_err=open(errname, O_WRONLY | O_CREAT | O_TEXT | O_TRUNC, S_IREAD | S_IWRITE)) > 0) {

+    h_errbak = dup(STDERR);

+    fflush(stderr);

+    dup2(h_err, STDERR);

  }

- return (h_err = -1);

+

+ return h_err;

 }

 

 void pc_close_stderr (void)

@@ -131,18 +132,17 @@ void pc_close_stderr (void)
  FILE *f;

  char *line = alloca(512);

 

- if (h_err >= 0) {

-    dup2(h_errbak, 2);

+ if (h_err > 0) {

+    dup2(h_errbak, STDERR);

+    close(h_err);

     close(h_errbak);

 

-    if ((f=fdopen(h_err, "r")) != NULL) {

-       fseek(f, 0, SEEK_SET);

-       while (fgets(line, 512, f)) {

-             fputs(line, stderr);

-       }

-       fclose(f);

-    } else {

-       close(h_err);

+    f = fopen(errname, "rt");

+    while (fgets(line, 512, f)) {

+          fputs(line, stderr);

     }

+    fclose(f);

+

+    remove(errname);

  }

 }

diff --git a/src/glut/dos/color.c b/src/glut/dos/color.c
index 9a7754514c..f1f529521d 100644
--- a/src/glut/dos/color.c
+++ b/src/glut/dos/color.c
@@ -19,7 +19,7 @@
  */

 

 /*

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

+ * DOS/DJGPP glut driver v1.3 for Mesa 5.0

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

@@ -28,19 +28,31 @@
 

 

 #include "GL/glut.h"

+#include "GL/dmesa.h"

+#include "internal.h"

+

+

+

+#define CLAMP(i) ((i) > 1.0 ? 1.0 : ((i) < 0.0 ? 0.0 : (i)))

+

 

 

 void APIENTRY glutSetColor (int ndx, GLfloat red, GLfloat green, GLfloat blue)

 {

+ if (g_display_mode & GLUT_INDEX) {

+    DMesaSetCI(ndx, CLAMP(red), CLAMP(green), CLAMP(blue));

+ }

 }

 

 

+

 GLfloat APIENTRY glutGetColor (int ndx, int component)

 {

  return 0.0;

 }

 

 

+

 void APIENTRY glutCopyColormap (int win)

 {

 }

diff --git a/src/glut/dos/globals.c b/src/glut/dos/globals.c
index 342cf3d08f..c264992cc7 100644
--- a/src/glut/dos/globals.c
+++ b/src/glut/dos/globals.c
@@ -19,7 +19,7 @@
  */

 

 /*

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

+ * DOS/DJGPP glut driver v1.3 for Mesa 5.0

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

@@ -30,10 +30,12 @@
 #include "GL/glut.h"

 #include "internal.h"

 

-GLenum    g_display_mode = 0;

+GLuint    g_display_mode = 0;

 GLuint    g_width        = DEFAULT_WIDTH;

 GLuint    g_height       = DEFAULT_HEIGHT;

-GLint     g_mouse        = GL_FALSE;

+GLuint    g_bpp          = DEFAULT_BPP;

+GLuint    g_refresh      = 0;

+GLuint    g_mouse        = 0;

 GLboolean g_redisplay    = GL_FALSE;

 GLint     g_xpos         = 0;

 GLint     g_ypos         = 0;

diff --git a/src/glut/dos/init.c b/src/glut/dos/init.c
index a6d7e830b0..4ee939b487 100644
--- a/src/glut/dos/init.c
+++ b/src/glut/dos/init.c
@@ -19,7 +19,7 @@
  */

 

 /*

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

+ * DOS/DJGPP glut driver v1.3 for Mesa 5.0

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

@@ -33,6 +33,15 @@
 

 void APIENTRY glutInit (int *argcp, char **argv)

 {

+ const char *env;

+

+ if ((env = getenv("DMESA_GLUT_BPP")) != NULL) {

+    g_bpp = atoi(env);

+ }

+ if ((env = getenv("DMESA_GLUT_REFRESH")) != NULL) {

+    g_refresh = atoi(env);

+ }

+

  glutGet(GLUT_ELAPSED_TIME);

 }

 

diff --git a/src/glut/dos/internal.h b/src/glut/dos/internal.h
index e23d485b2e..ac9e58b2df 100644
--- a/src/glut/dos/internal.h
+++ b/src/glut/dos/internal.h
@@ -45,10 +45,12 @@
 #define STENCIL_SIZE 8

 #define ACCUM_SIZE   16

 

-extern GLenum    g_display_mode;

+extern GLuint    g_display_mode;

 extern GLuint    g_width;

 extern GLuint    g_height;

-extern GLint     g_mouse;

+extern GLuint    g_bpp;

+extern GLuint    g_refresh;

+extern GLuint    g_mouse;

 extern GLboolean g_redisplay;

 extern GLint     g_xpos;

 extern GLint     g_ypos;

diff --git a/src/glut/dos/state.c b/src/glut/dos/state.c
index b463f4a109..b26307d9cb 100644
--- a/src/glut/dos/state.c
+++ b/src/glut/dos/state.c
@@ -19,7 +19,7 @@
  */

 

 /*

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

+ * DOS/DJGPP glut driver v1.3 for Mesa 5.0

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

@@ -48,8 +48,10 @@ static void ticks_timer (void *p)
 int APIENTRY glutGet (GLenum type)

 {

  switch (type) {

+        case GLUT_WINDOW_COLORMAP_SIZE:

+             return (g_display_mode & GLUT_INDEX) ? 256 : 0;

         case GLUT_WINDOW_RGBA:

-             return 1;

+             return !(g_display_mode & GLUT_INDEX);

         case GLUT_ELAPSED_TIME:

              if (!timer_installed) {

                 timer_installed = !timer_installed;

diff --git a/src/glut/dos/window.c b/src/glut/dos/window.c
index ba0f5acee5..cce1a1f777 100644
--- a/src/glut/dos/window.c
+++ b/src/glut/dos/window.c
@@ -19,7 +19,7 @@
  */

 

 /*

- * DOS/DJGPP glut driver v1.2 for Mesa 4.1

+ * DOS/DJGPP glut driver v1.3 for Mesa 5.0

  *

  *  Copyright (C) 2002 - Borca Daniel

  *  Email : dborca@yahoo.com

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

 

 #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

 

 

 

@@ -58,12 +48,8 @@ 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();

@@ -76,23 +62,10 @@ int APIENTRY glutCreateWindow (const char *title)
  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;

-    }

-

-#ifndef FX

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

+    if ((visual=DMesaCreateVisual(g_xpos + g_width, g_ypos + g_height, g_bpp, g_refresh,

                                   g_display_mode & GLUT_DOUBLE,

+                                  !(g_display_mode & GLUT_INDEX),

+                                  g_display_mode & GLUT_ALPHA,

                                   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) {

@@ -103,25 +76,12 @@ 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;

-    }

-    visual = context;

-#endif

     

     pc_open_stdout();

     pc_open_stderr();

     pc_atexit(clean);

  }

 

-#ifndef FX

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

      if (!buffer[i]) {

         DMesaBuffer b;

@@ -143,11 +103,6 @@ int APIENTRY glutCreateWindow (const char *title)
  }

 

  return 0;

-#else

- fxMesaMakeCurrent(context);

-

- return 1;

-#endif

 }

 

 

@@ -159,12 +114,10 @@ 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

 }

 

 

@@ -177,11 +130,7 @@ 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();

 }

 

@@ -210,18 +159,15 @@ 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;

@@ -231,7 +177,6 @@ void APIENTRY glutReshapeWindow (int width, int height)
        glViewport(0, 0, width, height);

     }

  }

-#endif

 }