This program 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.
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
Grab six views for environment mapping tests
===============
*/
+float CalcFov (float fov_x, float width, float height);
+struct
+{
+ float angles[3];
+ char *name;
+}
+envmapinfo[6] =
+{
+ {{ 0, 0, 0}, "ft"},
+ {{ 0, 90, 0}, "rt"},
+ {{ 0, 180, 0}, "bk"},
+ {{ 0, 270, 0}, "lf"},
+ {{-90, 90, 0}, "up"},
+ {{ 90, 90, 0}, "dn"}
+};
void R_Envmap_f (void)
{
- byte buffer[256*256*4];
+ int i, size;
+ char filename[256];
+ char basename[256];
+ byte *buffer, gamma[256];
+
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf ("envmap <basename> <size>: save out 6 cubic environment map images, usable with loadsky, note that size must one of 128, 256, 512, or 1024 and can't be bigger than your current resolution\n");
+ return;
+ }
if (!r_render.value)
return;
- glDrawBuffer (GL_FRONT);
- glReadBuffer (GL_FRONT);
+ strcpy(basename, Cmd_Argv(1));
+ size = atoi(Cmd_Argv(2));
+ if (size != 128 && size != 256 && size != 512 && size != 1024)
+ {
+ Con_Printf("envmap: size must be one of 128, 256, 512, or 1024\n");
+ return;
+ }
+ if (size > vid.realwidth || size > vid.realheight)
+ {
+ Con_Printf("envmap: your resolution is not big enough to render that size\n");
+ return;
+ }
+
+ buffer = malloc(size*size*3);
+ if (buffer == NULL)
+ {
+ Con_Printf("envmap: unable to allocate memory for image\n");
+ return;
+ }
+
+ BuildGammaTable8((lighthalf && hardwaregammasupported) ? 2.0f : 1.0f, 1, 1, 0, gamma);
+
+// glDrawBuffer (GL_FRONT);
+// glReadBuffer (GL_FRONT);
+ glDrawBuffer (GL_BACK);
+ glReadBuffer (GL_BACK);
envmap = true;
- r_refdef.vrect.x = 0;
- r_refdef.vrect.y = 0;
- r_refdef.vrect.width = 256;
- r_refdef.vrect.height = 256;
-
- r_refdef.viewangles[0] = 0;
- r_refdef.viewangles[1] = 0;
- r_refdef.viewangles[2] = 0;
- GL_BeginRendering (&glx, &gly, &glwidth, &glheight);
- R_RenderView ();
- glReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
- COM_WriteFile ("env0.rgb", buffer, sizeof(buffer));
-
- r_refdef.viewangles[1] = 90;
- GL_BeginRendering (&glx, &gly, &glwidth, &glheight);
- R_RenderView ();
- glReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
- COM_WriteFile ("env1.rgb", buffer, sizeof(buffer));
-
- r_refdef.viewangles[1] = 180;
- GL_BeginRendering (&glx, &gly, &glwidth, &glheight);
- R_RenderView ();
- glReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
- COM_WriteFile ("env2.rgb", buffer, sizeof(buffer));
-
- r_refdef.viewangles[1] = 270;
- GL_BeginRendering (&glx, &gly, &glwidth, &glheight);
- R_RenderView ();
- glReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
- COM_WriteFile ("env3.rgb", buffer, sizeof(buffer));
-
- r_refdef.viewangles[0] = -90;
- r_refdef.viewangles[1] = 0;
- GL_BeginRendering (&glx, &gly, &glwidth, &glheight);
- R_RenderView ();
- glReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
- COM_WriteFile ("env4.rgb", buffer, sizeof(buffer));
-
- r_refdef.viewangles[0] = 90;
- r_refdef.viewangles[1] = 0;
- GL_BeginRendering (&glx, &gly, &glwidth, &glheight);
- R_RenderView ();
- glReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
- COM_WriteFile ("env5.rgb", buffer, sizeof(buffer));
+ r_refdef.x = 0;
+ r_refdef.y = 0;
+ r_refdef.width = size;
+ r_refdef.height = size;
+
+ r_refdef.fov_x = 90;
+ r_refdef.fov_y = 90;
+
+ for (i = 0;i < 6;i++)
+ {
+ VectorCopy(envmapinfo[i].angles, r_refdef.viewangles);
+ glClearColor(0,0,0,0);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // LordHavoc: clear the screen (around the view as well)
+ R_RenderView ();
+ glReadPixels (0, 0, size, size, GL_RGB, GL_UNSIGNED_BYTE, buffer);
+ sprintf(filename, "env/%s%s.tga", basename, envmapinfo[i].name);
+ Image_GammaRemapRGB(buffer, buffer, size * size, gamma, gamma, gamma);
+ Image_WriteTGARGB_preflipped(filename, size, size, buffer);
+ }
envmap = false;
glDrawBuffer (GL_BACK);
glReadBuffer (GL_BACK);
- GL_EndRendering ();
-}
-void R_InitParticles (void);
+ free(buffer);
-void gl_misc_start()
+ // cause refdef to be fixed
+// vid.recalc_refdef = 1;
+}
+
+static void gl_misc_start(void)
{
}
-void gl_misc_shutdown()
+static void gl_misc_shutdown(void)
{
}
-void gl_misc_newmap()
+static void gl_misc_newmap(void)
{
}
R_Init
===============
*/
+static void R_TimeRefresh_f (void);
void GL_Misc_Init (void)
-{
- Cmd_AddCommand ("envmap", R_Envmap_f);
- Cmd_AddCommand ("timerefresh", R_TimeRefresh_f);
+{
+ Cmd_AddCommand ("envmap", R_Envmap_f);
+ Cmd_AddCommand ("timerefresh", R_TimeRefresh_f);
R_RegisterModule("GL_Misc", gl_misc_start, gl_misc_shutdown, gl_misc_newmap);
}
-void R_ClearParticles (void);
-void GL_BuildLightmaps (void);
+extern void GL_BuildLightmaps (void);
/*
===============
R_NewMap
===============
*/
-void SHOWLMP_clear();
void R_NewMap (void)
{
int i;
-
+
for (i=0 ; i<256 ; i++)
d_lightstylevalue[i] = 264; // normal light value
- memset (&r_worldentity, 0, sizeof(r_worldentity));
- r_worldentity.render.model = cl.worldmodel;
- currententity = &r_worldentity;
-
-// clear out efrags in case the level hasn't been reloaded
-// FIXME: is this one short?
-// for (i=0 ; i<cl.worldmodel->numleafs ; i++)
-// cl.worldmodel->leafs[i].efrags = NULL;
-
r_viewleaf = NULL;
R_Modules_NewMap();
GL_BuildLightmaps ();
- // identify sky texture
- skytexturenum = -1;
- for (i=0 ; i<cl.worldmodel->numtextures ; i++)
- {
- if (!cl.worldmodel->textures[i])
- continue;
- if (!strncmp(cl.worldmodel->textures[i]->name,"sky",3) )
- skytexturenum = i;
- }
SHOWLMP_clear();
}
====================
*/
qboolean intimerefresh = 0;
-void R_TimeRefresh_f (void)
+static void R_TimeRefresh_f (void)
{
int i;
float start, stop, time;
intimerefresh = 1;
- start = Sys_FloatTime ();
+ start = Sys_DoubleTime ();
+ glDrawBuffer (GL_FRONT);
for (i = 0;i < 128;i++)
{
r_refdef.viewangles[0] = 0;
r_refdef.viewangles[1] = i/128.0*360.0;
r_refdef.viewangles[2] = 0;
- SCR_UpdateScreen();
+ R_RenderView();
}
+ glDrawBuffer (GL_BACK);
- stop = Sys_FloatTime ();
+ stop = Sys_DoubleTime ();
intimerefresh = 0;
time = stop-start;
Con_Printf ("%f seconds (%f fps)\n", time, 128/time);
projects / xonotic / darkplaces.git / blobdiff