Make title handling more sane.

Makefile

@@ -2,7 +2,7 @@ include config.mk
 
 TARGET = ssnes tools/ssnes-joyconfig
 
-OBJ = ssnes.o file.o driver.o settings.o dynamic.o message.o rewind.o movie.o autosave.o netplay.o
+OBJ = ssnes.o file.o driver.o settings.o dynamic.o message.o rewind.o movie.o autosave.o netplay.o gfx/gfx_common.o
 JOYCONFIG_OBJ = tools/ssnes-joyconfig.o conf/config_file.o
 HEADERS = $(wildcard */*.h) $(wildcard *.h)
 

Makefile.win32

@@ -1,6 +1,6 @@
 TARGET = ssnes.exe
 JTARGET = ssnes-joyconfig.exe
-OBJ = ssnes.o file.o driver.o conf/config_file.o settings.o dynamic.o message.o rewind.o movie.o autosave.o netplay.o
+OBJ = ssnes.o file.o driver.o conf/config_file.o settings.o dynamic.o message.o rewind.o movie.o autosave.o netplay.o gfx/gfx_common.o
 JOBJ = conf/config_file.o tools/main-stub.o tools/ssnes-joyconfig.o
 
 CC = gcc

gfx/gfx_common.c

@@ -0,0 +1,58 @@
+/*  SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
+ *  Copyright (C) 2010-2011 - Hans-Kristian Arntzen
+ *
+ *  Some code herein may be based on code found in BSNES.
+ * 
+ *  SSNES is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with SSNES.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "gfx_common.h"
+#include "general.h"
+#include <sys/time.h>
+
+static float tv_to_fps(const struct timeval *tv, const struct timeval *new_tv, int frames)
+{
+   float time = new_tv->tv_sec - tv->tv_sec + (new_tv->tv_usec - tv->tv_usec)/1000000.0;
+   return frames/time;
+}
+
+bool gfx_window_title(char *buf, size_t size)
+{
+   static int frames = 0;
+   static struct timeval tv;
+   struct timeval new_tv;
+   bool ret = false;
+
+   if (frames == 0)
+   {
+      gettimeofday(&tv, NULL);
+      snprintf(buf, size, g_extern.title_buf);
+      ret = true;
+   }
+
+   if ((frames % 180) == 0 && frames > 0)
+   {
+      gettimeofday(&new_tv, NULL);
+      struct timeval tmp_tv = tv;
+      tv = new_tv;
+
+      float fps = tv_to_fps(&tmp_tv, &new_tv, 180);
+
+      snprintf(buf, size, "%s || FPS: %6.1f || Frames: %d", g_extern.title_buf, fps, frames);
+      ret = true;
+   }
+
+   frames++;
+   return ret;
+}
+
+

gfx/gfx_common.h

@@ -0,0 +1,26 @@
+/*  SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
+ *  Copyright (C) 2010-2011 - Hans-Kristian Arntzen
+ *
+ *  Some code herein may be based on code found in BSNES.
+ * 
+ *  SSNES is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with SSNES.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GFX_COMMON_H
+#define __GFX_COMMON_H
+
+#include <stddef.h>
+#include <stdbool.h>
+
+bool gfx_window_title(char *buf, size_t size);
+
+#endif

gfx/gl.c

@@ -32,6 +32,7 @@
 #endif
 
 #include "gl_common.h"
+#include "gfx_common.h"
 
 #define NO_SDL_GLEXT
 #include "SDL.h"
@@ -527,37 +528,6 @@ static void set_viewport(gl_t *gl, unsigned width, unsigned height, bool force_f
    //SSNES_LOG("Setting viewport @ %ux%u\n", width, height);
 }
 
-static float tv_to_fps(const struct timeval *tv, const struct timeval *new_tv, int frames)
-{
-   float time = new_tv->tv_sec - tv->tv_sec + (new_tv->tv_usec - tv->tv_usec)/1000000.0;
-   return frames/time;
-}
-
-static void show_fps(void)
-{
-   // Shows FPS in taskbar.
-   static int frames = 0;
-   static struct timeval tv;
-   struct timeval new_tv;
-
-   if (frames == 0)
-      gettimeofday(&tv, NULL);
-
-   if ((frames % 180) == 0 && frames > 0)
-   {
-      gettimeofday(&new_tv, NULL);
-      struct timeval tmp_tv = tv;
-      gettimeofday(&tv, NULL);
-      char tmpstr[256] = {0};
-
-      float fps = tv_to_fps(&tmp_tv, &new_tv, 180);
-
-      snprintf(tmpstr, sizeof(tmpstr), "%s || FPS: %6.1f || Frames: %d", g_extern.title_buf, fps, frames);
-      SDL_WM_SetCaption(tmpstr, NULL);
-   }
-   frames++;
-}
-
 static bool gl_frame(void *data, const void* frame, unsigned width, unsigned height, unsigned pitch, const char *msg)
 {
    gl_t *gl = data;
@@ -617,7 +587,6 @@ static bool gl_frame(void *data, const void* frame, unsigned width, unsigned hei
       //SSNES_LOG("Setting last rect: %ux%u\n", width, height);
    }
 
-
    glPixelStorei(GL_UNPACK_ROW_LENGTH, pitch / gl->base_size);
    glTexSubImage2D(GL_TEXTURE_2D,
          0, 0, 0, width, height, gl->texture_type,
@@ -687,7 +656,9 @@ static bool gl_frame(void *data, const void* frame, unsigned width, unsigned hei
    if (msg)
       gl_render_msg(gl, msg);
 
-   show_fps();
+   char buf[128];
+   if (gfx_window_title(buf, sizeof(buf)))
+      SDL_WM_SetCaption(buf, NULL);
    SDL_GL_SwapBuffers();
 
    return true;
@@ -819,7 +790,9 @@ static void* gl_init(video_info_t *video, const input_driver_t **input, void **i
    glColor4f(1, 1, 1, 1);
    glClearColor(0, 0, 0, 1);
 
-   SDL_WM_SetCaption(g_extern.title_buf, NULL);
+   char buf[128];
+   if (gfx_window_title(buf, sizeof(buf)))
+      SDL_WM_SetCaption(buf, NULL);
 
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();

gfx/xvideo.c

@@ -20,9 +20,11 @@
 #include <stdlib.h>
 #include <string.h>
 #include <signal.h>
+#include <math.h>
 #ifdef HAVE_FREETYPE
 #include "fonts.h"
 #endif
+#include "gfx_common.h"
 
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
@@ -369,7 +371,11 @@ static void* xv_init(video_info_t *video, const input_driver_t **input, void **i
    XSetWindowBackground(xv->display, xv->window, 0);
 
    XMapWindow(xv->display, xv->window);
-   XStoreName(xv->display, xv->window, g_extern.title_buf);
+
+   char buf[64];
+   if (gfx_window_title(buf, sizeof(buf)))
+      XStoreName(xv->display, xv->window, buf);
+
    if (video->fullscreen)
       set_fullscreen(xv);
    hide_mouse(xv);
@@ -537,21 +543,20 @@ static void calc_out_rect(bool keep_aspect, unsigned *x, unsigned *y, unsigned *
 
       // If the aspect ratios of screen and desired aspect ratio are sufficiently equal (floating point stuff), 
       // assume they are actually equal.
-      if ( (int)(device_aspect*1000) > (int)(desired_aspect*1000) )
+      if (fabs(device_aspect - desired_aspect) < 0.0001)
+      {
+         *x = 0; *y = 0; *width = vp_width; *height = vp_height;
+      }
+      else if (device_aspect > desired_aspect)
       {
          float delta = (desired_aspect / device_aspect - 1.0) / 2.0 + 0.5;
          *x = vp_width * (0.5 - delta); *y = 0; *width = 2.0 * vp_width * delta; *height = vp_height;
       }
-
-      else if ( (int)(device_aspect*1000) < (int)(desired_aspect*1000) )
+      else
       {
          float delta = (device_aspect / desired_aspect - 1.0) / 2.0 + 0.5;
          *x = 0; *y = vp_height * (0.5 - delta); *width = vp_width; *height = 2.0 * vp_height * delta;
       }
-      else
-      {
-         *x = 0; *y = 0; *width = vp_width; *height = vp_height;
-      }
    }
 }
 
@@ -629,6 +634,10 @@ static bool xv_frame(void *data, const void* frame, unsigned width, unsigned hei
          x, y, owidth, oheight,
          true);
 
+   char buf[64];
+   if (gfx_window_title(buf, sizeof(buf)))
+      XStoreName(xv->display, xv->window, buf);
+
    return true;
 }