X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fglx%2Fatunnel.c;h=04391a13e19cde28b46761204a320d29b0d99e81;hb=39809ded547bdbb08207d3e514950425215b4410;hp=ea7a900431afaa7a06175101258c70b0926e5060;hpb=ffd8c0873576a9e3065696a624dce6b766b77062;p=xscreensaver diff --git a/hacks/glx/atunnel.c b/hacks/glx/atunnel.c index ea7a9004..04391a13 100644 --- a/hacks/glx/atunnel.c +++ b/hacks/glx/atunnel.c @@ -1,8 +1,8 @@ /* -*- Mode: C; tab-width: 4 -*- */ -/* atunnels --- OpenGL Advanced Tunnel Screensaver */ +/* atunnel --- OpenGL Advanced Tunnel Screensaver */ #if 0 -static const char sccsid[] = "@(#)atunnels.c 5.13 2004/05/25 xlockmore"; +static const char sccsid[] = "@(#)atunnel.c 5.13 2004/05/25 xlockmore"; #endif /* Copyright (c) E. Lassauge, 2003-2004. */ @@ -39,24 +39,19 @@ static const char sccsid[] = "@(#)atunnels.c 5.13 2004/05/25 xlockmore"; */ #ifdef STANDALONE /* xscreensaver mode */ -# define PROGCLASS "Atunnels" -# define HACK_INIT init_atunnels -# define HACK_DRAW draw_atunnels -# define HACK_RESHAPE reshape_atunnels -# define atunnels_opts xlockmore_opts #define DEFAULTS "*delay: 10000 \n" \ - "*showFPS: False \n" \ - "*light: True \n" \ - "*wire: False \n" \ - "*texture: True \n" + "*showFPS: False \n" \ + "*suppressRotationAnimation: True\n" \ -#define MODE_atunnels +# define release_atunnel 0 +# define atunnel_handle_event 0 +#define MODE_atunnel # include "xlockmore.h" /* from the xscreensaver distribution */ #else /* !STANDALONE */ # include "xlock.h" /* from the xlockmore distribution */ #endif /* !STANDALONE */ -#ifdef MODE_atunnels /* whole file */ +#ifdef MODE_atunnel /* whole file */ #include #include @@ -90,7 +85,7 @@ static const char sccsid[] = "@(#)atunnels.c 5.13 2004/05/25 xlockmore"; #define countof(x) (sizeof((x))/sizeof((*x))) #define DEF_LIGHT "True" -#define DEF_WIRE "False" +#define DEF_WIRE "False" #define DEF_TEXTURE "True" static Bool do_light; @@ -98,12 +93,12 @@ static Bool do_wire; static Bool do_texture; static XrmOptionDescRec opts[] = { - {"-light", ".atunnels.light", XrmoptionNoArg, "true" }, - {"+light", ".atunnels.light", XrmoptionNoArg, "false" }, - {"-wire", ".atunnels.wire", XrmoptionNoArg, "true" }, - {"+wire", ".atunnels.wire", XrmoptionNoArg, "false" }, - {"-texture", ".atunnels.texture", XrmoptionNoArg, "true" }, - {"+texture", ".atunnels.texture", XrmoptionNoArg, "false" }, + {"-light", ".atunnel.light", XrmoptionNoArg, "true" }, + {"+light", ".atunnel.light", XrmoptionNoArg, "false" }, + {"-wireframe",".atunnel.wire", XrmoptionNoArg, "true" }, + {"+wireframe",".atunnel.wire", XrmoptionNoArg, "false" }, + {"-texture", ".atunnel.texture", XrmoptionNoArg, "true" }, + {"+texture", ".atunnel.texture", XrmoptionNoArg, "false" }, }; static argtype vars[] = { @@ -119,12 +114,12 @@ static OptionStruct desc[] = {"-/+ texture", "whether to apply a texture (slower)"}, }; -ModeSpecOpt atunnels_opts = {countof(opts), opts, countof(vars), vars, desc}; +ENTRYPOINT ModeSpecOpt atunnel_opts = {countof(opts), opts, countof(vars), vars, desc}; #ifdef USE_MODULES -ModStruct atunnels_description = -{"atunnels", "init_atunnels", "draw_atunnels", "release_atunnels", - "draw_atunnels", "init_atunnels", NULL, &atunnels_opts, +ModStruct atunnel_description = +{"atunnel", "init_atunnel", "draw_atunnel", NULL, + "draw_atunnel", "init_atunnel", "free_atunnel", &atunnel_opts, 1000, 1, 2, 1, 4, 1.0, "", "OpenGL advanced tunnel screensaver", 0, NULL}; #endif @@ -134,22 +129,23 @@ typedef struct { int screen_width, screen_height; GLXContext *glx_context; Window window; -} atunnelsstruct; + struct tunnel_state *ts; + GLuint texture[MAX_TEXTURE]; /* texture id: GL world */ +} atunnelstruct; -static atunnelsstruct *Atunnels = NULL; - -static GLuint texture[MAX_TEXTURE]; /* texture id: GL world */ +static atunnelstruct *Atunnel = NULL; /*=================== Load Texture =========================================*/ static void LoadTexture(ModeInfo * mi, char **fn, int t_num) { #if defined( I_HAVE_XPM ) + atunnelstruct *sa = &Atunnel[MI_SCREEN(mi)]; XImage *teximage; /* Texture data */ if ((teximage = xpm_to_ximage(MI_DISPLAY(mi), MI_VISUAL(mi), MI_COLORMAP(mi), fn)) == None) { (void) fprintf(stderr, "Error reading the texture.\n"); - glDeleteTextures(1, &texture[t_num]); + glDeleteTextures(1, &sa->texture[t_num]); do_texture = False; #ifdef STANDALONE exit(0); @@ -159,12 +155,15 @@ static void LoadTexture(ModeInfo * mi, char **fn, int t_num) } #ifdef HAVE_GLBINDTEXTURE - glBindTexture(GL_TEXTURE_2D, texture[t_num]); + glBindTexture(GL_TEXTURE_2D, sa->texture[t_num]); #endif /* HAVE_GLBINDTEXTURE */ glPixelStorei(GL_UNPACK_ALIGNMENT, 4); clear_gl_error(); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, teximage->width, teximage->height, - 0, GL_RGBA, GL_UNSIGNED_BYTE, teximage->data); + 0, GL_RGBA, + /* GL_UNSIGNED_BYTE, */ + GL_UNSIGNED_INT_8_8_8_8_REV, + teximage->data); check_gl_error("texture"); /* Texture parameters, LINEAR scaling for better texture quality */ @@ -180,16 +179,16 @@ static void LoadTexture(ModeInfo * mi, char **fn, int t_num) /*=================== Main Initialization ==================================*/ static void Init(ModeInfo * mi) { + atunnelstruct *sa = &Atunnel[MI_SCREEN(mi)]; GLfloat light_ambient[] = {1.0, 1.0, 1.0, 1.0}; GLfloat light_diffuse[] = {1.0, 1.0, 1.0, 1.0}; GLfloat light_specular[] = {1.0, 1.0, 1.0, 1.0}; GLfloat light_position[] = {0.0, 0.0, 1.0, 0.0}; GLfloat fogColor[4] = {0.8, 0.8, 0.8, 1.0}; - glClearColor(0, 0, 0, 0); if (do_texture) { - glGenTextures(MAX_TEXTURE, texture); + glGenTextures(MAX_TEXTURE, sa->texture); LoadTexture(mi, texture0,0); LoadTexture(mi, texture1,1); LoadTexture(mi, texture2,2); @@ -198,7 +197,7 @@ static void Init(ModeInfo * mi) LoadTexture(mi, texture5,5); glEnable(GL_TEXTURE_2D); } - InitTunnel(); + sa->ts = atunnel_InitTunnel(); /* Set lighting parameters */ if (do_light) @@ -214,6 +213,11 @@ static void Init(ModeInfo * mi) glEnable(GL_LIGHTING); } + +# ifdef HAVE_JWZGLES /* #### glPolygonMode other than GL_FILL unimplemented */ + do_wire = 0; +# endif + if (do_wire) { glDisable(GL_NORMALIZE); glDisable(GL_CULL_FACE); @@ -243,23 +247,29 @@ static void Init(ModeInfo * mi) /* Standard reshape function */ -void -reshape_atunnels(ModeInfo *mi, int width, int height) +ENTRYPOINT void +reshape_atunnel(ModeInfo *mi, int width, int height) { - float a; + double h = (GLfloat) height / (GLfloat) width; + int y = 0; - glViewport(0, 0, width, height); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - a = (float)width/(float)height; - glFrustum(-0.1*a, 0.1*a, -0.1, 0.1, 0.1, 10); - glMatrixMode(GL_MODELVIEW); + if (width > height * 2) { /* tiny window: show middle */ + height = width; + y = -height/2; + h = height / (GLfloat) width; + } + + glViewport(0, y, width, height); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum(-0.1*(1/h), 0.1*(1/h), -0.1, 0.1, 0.1, 10); + glMatrixMode(GL_MODELVIEW); } /* draw the screensaver once */ -void draw_atunnels(ModeInfo * mi) +ENTRYPOINT void draw_atunnel(ModeInfo * mi) { - atunnelsstruct *sa = &Atunnels[MI_SCREEN(mi)]; + atunnelstruct *sa = &Atunnel[MI_SCREEN(mi)]; Display *display = MI_DISPLAY(mi); Window window = MI_WINDOW(mi); @@ -272,8 +282,8 @@ void draw_atunnels(ModeInfo * mi) glLoadIdentity(); - DrawTunnel(do_texture, do_light, texture); - SplashScreen(do_wire, do_texture, do_light); + atunnel_DrawTunnel(sa->ts, do_texture, do_light, sa->texture); + atunnel_SplashScreen(sa->ts, do_wire, do_texture, do_light); glFlush(); /* manage framerate display */ @@ -284,20 +294,17 @@ void draw_atunnels(ModeInfo * mi) /* xscreensaver initialization routine */ -void init_atunnels(ModeInfo * mi) +ENTRYPOINT void init_atunnel(ModeInfo * mi) { int screen = MI_SCREEN(mi); - atunnelsstruct *sa; + atunnelstruct *sa; - if (Atunnels == NULL) { - if ((Atunnels = (atunnelsstruct *) calloc(MI_NUM_SCREENS(mi), sizeof (atunnelsstruct))) == NULL) - return; - } - sa = &Atunnels[screen]; + MI_INIT(mi, Atunnel); + sa = &Atunnel[screen]; sa->window = MI_WINDOW(mi); if ((sa->glx_context = init_GL(mi)) != NULL) { - reshape_atunnels(mi, MI_WIDTH(mi), MI_HEIGHT(mi)); + reshape_atunnel(mi, MI_WIDTH(mi), MI_HEIGHT(mi)); Init(mi); } else { MI_CLEARWINDOW(mi); @@ -306,16 +313,14 @@ void init_atunnels(ModeInfo * mi) } /* all sorts of nice cleanup code should go here! */ -void release_atunnels(ModeInfo * mi) +ENTRYPOINT void free_atunnel(ModeInfo * mi) { - int screen; - if (Atunnels != NULL) { - for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) { - /* atunnelsstruct *sa = &Atunnels[screen];*/ - } - (void) free((void *) Atunnels); - Atunnels = NULL; - } - FreeAllGL(mi); +#if 0 + atunnelstruct *sa = &Atunnel[MI_SCREEN(mi)]; + FreeTunnel(sa->ts); +#endif } + +XSCREENSAVER_MODULE ("Atunnel", atunnel) + #endif