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https://git.code.sf.net/p/quake/quakeforge
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new cvar: gl_mesh_cache. controls minimum triangle count in a model before
the model is cached or cache checks are done for that model. 0 disables caching entrirely.
This commit is contained in:
Bill Currie
parent
b277881832
commit
9f2418d873
2 changed files with 110 additions and 95 deletions
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@ -39,6 +39,7 @@
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#include <stdio.h>
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#include "QF/console.h"
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#include "QF/cvar.h"
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#include "QF/mdfour.h"
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#include "QF/model.h"
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#include "QF/sys.h"
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@ -50,6 +51,8 @@
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ALIAS MODEL DISPLAY LIST GENERATION
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*/
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extern cvar_t *gl_mesh_cache;
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model_t *aliasmodel;
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aliashdr_t *paliashdr;
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@ -350,81 +353,87 @@ GL_MakeAliasModelDisplayLists (model_t *m, aliashdr_t *hdr, void *_m, int _s)
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unsigned char model_digest[MDFOUR_DIGEST_BYTES];
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unsigned char mesh_digest[MDFOUR_DIGEST_BYTES];
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qboolean remesh = true;
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qboolean do_cache = false;
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aliasmodel = m;
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paliashdr = hdr; // (aliashdr_t *)Mod_Extradata (m);
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mdfour (model_digest, (unsigned char *) _m, _s);
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if (gl_mesh_cache->int_val
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&& gl_mesh_cache->int_val <= paliashdr->mdl.numtris) {
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do_cache = true;
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// look for a cached version
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strcpy (cache, "glquake/");
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COM_StripExtension (m->name + strlen ("progs/"),
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cache + strlen ("glquake/"));
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strncat (cache, ".qfms", sizeof (cache) - strlen (cache));
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mdfour (model_digest, (unsigned char *) _m, _s);
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COM_FOpenFile (cache, &f);
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if (f) {
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unsigned char d1[MDFOUR_DIGEST_BYTES];
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unsigned char d2[MDFOUR_DIGEST_BYTES];
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struct mdfour md;
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int *c = 0;
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int nc = 0;
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int *vo = 0;
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int no = 0;
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int len;
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int vers;
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// look for a cached version
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strcpy (cache, "glquake/");
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COM_StripExtension (m->name + strlen ("progs/"),
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cache + strlen ("glquake/"));
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strncat (cache, ".qfms", sizeof (cache) - strlen (cache));
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memset (d1, 0, sizeof (d1));
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memset (d2, 0, sizeof (d2));
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COM_FOpenFile (cache, &f);
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if (f) {
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unsigned char d1[MDFOUR_DIGEST_BYTES];
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unsigned char d2[MDFOUR_DIGEST_BYTES];
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struct mdfour md;
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int *c = 0;
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int nc = 0;
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int *vo = 0;
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int no = 0;
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int len;
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int vers;
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Qread (f, &vers, sizeof (int));
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Qread (f, &len, sizeof (int));
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Qread (f, &nc, sizeof (int));
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Qread (f, &no, sizeof (int));
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memset (d1, 0, sizeof (d1));
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memset (d2, 0, sizeof (d2));
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if (vers == 1 && (nc + no) == len) {
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c = malloc (((nc + 1023) & ~1023) * sizeof (c[0]));
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vo = malloc (((no + 1023) & ~1023) * sizeof (vo[0]));
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if (!c || !vo)
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Sys_Error ("gl_mesh.c: out of memory");
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Qread (f, c, nc * sizeof (c[0]));
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Qread (f, vo, no * sizeof (vo[0]));
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Qread (f, d1, MDFOUR_DIGEST_BYTES);
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Qread (f, d2, MDFOUR_DIGEST_BYTES);
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Qclose (f);
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Qread (f, &vers, sizeof (int));
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Qread (f, &len, sizeof (int));
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Qread (f, &nc, sizeof (int));
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Qread (f, &no, sizeof (int));
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mdfour_begin (&md);
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mdfour_update (&md, (unsigned char *) &vers, sizeof(int));
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mdfour_update (&md, (unsigned char *) &len, sizeof(int));
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mdfour_update (&md, (unsigned char *) &nc, sizeof(int));
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mdfour_update (&md, (unsigned char *) &no, sizeof(int));
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mdfour_update (&md, (unsigned char *) c, nc * sizeof (c[0]));
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mdfour_update (&md, (unsigned char *) vo, no * sizeof (vo[0]));
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mdfour_update (&md, d1, MDFOUR_DIGEST_BYTES);
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mdfour_result (&md, mesh_digest);
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if (vers == 1 && (nc + no) == len) {
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c = malloc (((nc + 1023) & ~1023) * sizeof (c[0]));
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vo = malloc (((no + 1023) & ~1023) * sizeof (vo[0]));
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if (!c || !vo)
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Sys_Error ("gl_mesh.c: out of memory");
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Qread (f, c, nc * sizeof (c[0]));
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Qread (f, vo, no * sizeof (vo[0]));
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Qread (f, d1, MDFOUR_DIGEST_BYTES);
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Qread (f, d2, MDFOUR_DIGEST_BYTES);
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Qclose (f);
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if (memcmp (d2, mesh_digest, MDFOUR_DIGEST_BYTES) == 0
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&& memcmp (d1, model_digest, MDFOUR_DIGEST_BYTES) == 0) {
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remesh = false;
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numcommands = nc;
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numorder = no;
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if (numcommands > commands_size) {
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if (commands)
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free (commands);
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commands_size = (numcommands + 1023) & ~1023;
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commands = c;
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} else {
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memcpy (commands, c, numcommands * sizeof (c[0]));
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free(c);
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}
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if (numorder > vertexorder_size) {
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if (vertexorder)
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free (vertexorder);
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vertexorder_size = (numorder + 1023) & ~1023;
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vertexorder = vo;
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} else {
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memcpy (vertexorder, vo, numorder * sizeof (vo[0]));
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free (vo);
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mdfour_begin (&md);
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mdfour_update (&md, (unsigned char *) &vers, sizeof(int));
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mdfour_update (&md, (unsigned char *) &len, sizeof(int));
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mdfour_update (&md, (unsigned char *) &nc, sizeof(int));
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mdfour_update (&md, (unsigned char *) &no, sizeof(int));
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mdfour_update (&md, (unsigned char *) c, nc * sizeof (c[0]));
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mdfour_update (&md, (unsigned char *) vo, no * sizeof (vo[0]));
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mdfour_update (&md, d1, MDFOUR_DIGEST_BYTES);
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mdfour_result (&md, mesh_digest);
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if (memcmp (d2, mesh_digest, MDFOUR_DIGEST_BYTES) == 0
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&& memcmp (d1, model_digest, MDFOUR_DIGEST_BYTES) == 0) {
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remesh = false;
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numcommands = nc;
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numorder = no;
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if (numcommands > commands_size) {
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if (commands)
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free (commands);
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commands_size = (numcommands + 1023) & ~1023;
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commands = c;
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} else {
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memcpy (commands, c, numcommands * sizeof (c[0]));
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free(c);
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}
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if (numorder > vertexorder_size) {
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if (vertexorder)
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free (vertexorder);
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vertexorder_size = (numorder + 1023) & ~1023;
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vertexorder = vo;
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} else {
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memcpy (vertexorder, vo, numorder * sizeof (vo[0]));
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free (vo);
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}
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}
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}
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}
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@ -435,40 +444,42 @@ GL_MakeAliasModelDisplayLists (model_t *m, aliashdr_t *hdr, void *_m, int _s)
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BuildTris (); // trifans or lists
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// save out the cached version
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snprintf (fullpath, sizeof (fullpath), "%s/%s", com_gamedir, cache);
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f = Qopen (fullpath, "wbz9");
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if (!f) {
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COM_CreatePath (fullpath);
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f = Qopen (fullpath, "wb");
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}
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if (do_cache) {
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// save out the cached version
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snprintf (fullpath, sizeof (fullpath), "%s/%s", com_gamedir, cache);
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f = Qopen (fullpath, "wbz9");
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if (!f) {
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COM_CreatePath (fullpath);
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f = Qopen (fullpath, "wb");
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}
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if (f) {
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struct mdfour md;
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int vers = 1;
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int len = numcommands + numorder;
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if (f) {
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struct mdfour md;
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int vers = 1;
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int len = numcommands + numorder;
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mdfour_begin (&md);
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mdfour_update (&md, (unsigned char *) &vers, sizeof (int));
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mdfour_update (&md, (unsigned char *) &len, sizeof (int));
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mdfour_update (&md, (unsigned char *) &numcommands, sizeof (int));
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mdfour_update (&md, (unsigned char *) &numorder, sizeof (int));
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mdfour_update (&md, (unsigned char *) commands,
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numcommands * sizeof (commands[0]));
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mdfour_update (&md, (unsigned char *) vertexorder,
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numorder * sizeof (vertexorder[0]));
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mdfour_update (&md, model_digest, MDFOUR_DIGEST_BYTES);
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mdfour_result (&md, mesh_digest);
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mdfour_begin (&md);
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mdfour_update (&md, (unsigned char *) &vers, sizeof (int));
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mdfour_update (&md, (unsigned char *) &len, sizeof (int));
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mdfour_update (&md, (unsigned char *) &numcommands, sizeof (int));
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mdfour_update (&md, (unsigned char *) &numorder, sizeof (int));
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mdfour_update (&md, (unsigned char *) commands,
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numcommands * sizeof (commands[0]));
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mdfour_update (&md, (unsigned char *) vertexorder,
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numorder * sizeof (vertexorder[0]));
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mdfour_update (&md, model_digest, MDFOUR_DIGEST_BYTES);
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mdfour_result (&md, mesh_digest);
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Qwrite (f, &vers, sizeof (int));
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Qwrite (f, &len, sizeof (int));
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Qwrite (f, &numcommands, sizeof (int));
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Qwrite (f, &numorder, sizeof (int));
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Qwrite (f, commands, numcommands * sizeof (commands[0]));
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Qwrite (f, vertexorder, numorder * sizeof (vertexorder[0]));
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Qwrite (f, model_digest, MDFOUR_DIGEST_BYTES);
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Qwrite (f, mesh_digest, MDFOUR_DIGEST_BYTES);
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Qclose (f);
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Qwrite (f, &vers, sizeof (int));
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Qwrite (f, &len, sizeof (int));
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Qwrite (f, &numcommands, sizeof (int));
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Qwrite (f, &numorder, sizeof (int));
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Qwrite (f, commands, numcommands * sizeof (commands[0]));
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Qwrite (f, vertexorder, numorder * sizeof (vertexorder[0]));
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Qwrite (f, model_digest, MDFOUR_DIGEST_BYTES);
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Qwrite (f, mesh_digest, MDFOUR_DIGEST_BYTES);
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Qclose (f);
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}
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}
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}
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@ -60,6 +60,7 @@ model_t mod_known[MAX_MOD_KNOWN];
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int mod_numknown;
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cvar_t *gl_subdivide_size;
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cvar_t *gl_mesh_cache;
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extern byte mod_novis[MAX_MAP_LEAFS / 8];
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@ -106,6 +107,9 @@ Mod_Init_Cvars (void)
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gl_subdivide_size =
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Cvar_Get ("gl_subdivide_size", "128", CVAR_ARCHIVE, NULL,
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"Sets the division value for the sky brushes.");
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gl_mesh_cache = Cvar_Get ("gl_mesh_cache", "256", CVAR_ARCHIVE, NULL,
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"minimum triangle count in a model for its mesh"
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" to be cached. 0 to disable caching");
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}
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void
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