Corrected issues with detailmaps scaling, improved general model drawing performance and added support for using vertex arrays when drawing models (r_vertexarrays)

git-svn-id: https://svn.eduke32.com/eduke32@513 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/build/include/build.h

@@ -498,6 +498,7 @@ void gltexapplyprops (void);
 extern long r_depthpeeling, r_peelscount;
 extern long r_detailmapping;
 extern long r_glowmapping;
+extern long r_vertexarrays;
 #endif
 
 void hicinit(void);

polymer/build/include/glbuild.h

@@ -152,6 +152,7 @@ extern void (APIENTRY * bglDeleteProgramsARB)(GLsizei n, const GLuint *programs)
 
 // Multitexturing
 extern void (APIENTRY * bglActiveTextureARB)(GLenum texture);
+extern void (APIENTRY * bglClientActiveTextureARB)(GLenum texture);
 extern void (APIENTRY * bglMultiTexCoord2dARB)(GLenum target, GLdouble s, GLdouble t );
 extern void (APIENTRY * bglMultiTexCoord2fARB)(GLenum target, GLfloat s, GLfloat t );
 

polymer/build/src/defs.c

@@ -1193,6 +1193,7 @@ static int defsparser(scriptfile *script)
                     {
                         pal = DETAILPAL;
                         xscale = 1.0f / xscale;
+                        yscale = 1.0f / yscale;
                     }
                     else if (token == T_GLOW)
                         pal = GLOWPAL;

polymer/build/src/glbuild.c

@@ -123,6 +123,7 @@ void (APIENTRY * bglDeleteProgramsARB)(GLsizei n, const GLuint *programs);
 
 // Multitexturing
 void (APIENTRY * bglActiveTextureARB)(GLenum texture);
+void (APIENTRY * bglClientActiveTextureARB)(GLenum texture);
 void (APIENTRY * bglMultiTexCoord2dARB)(GLenum target, GLdouble s, GLdouble t );
 void (APIENTRY * bglMultiTexCoord2fARB)(GLenum target, GLfloat s, GLfloat t );
 
@@ -355,6 +356,7 @@ int loadglextensions(void)
 
     // Multitexturing
     bglActiveTextureARB         = GETPROCEXTSOFT("glActiveTextureARB");
+    bglClientActiveTextureARB   = GETPROCEXTSOFT("glClientActiveTextureARB");
     bglMultiTexCoord2dARB       = GETPROCEXTSOFT("glMultiTexCoord2dARB");
     bglMultiTexCoord2fARB       = GETPROCEXTSOFT("glMultiTexCoord2fARB");
 
@@ -489,6 +491,7 @@ int unloadgldriver(void)
 
     // Multitexturing
     bglActiveTextureARB         = NULL;
+    bglClientActiveTextureARB   = NULL;
     bglMultiTexCoord2dARB       = NULL;
     bglMultiTexCoord2fARB       = NULL;
 

polymer/build/src/mdsprite.c

@@ -147,6 +147,9 @@ typedef struct
     //MD3 specific
     md3head_t head;
     point3d *muladdframes;
+    unsigned short      *indexes;
+    unsigned short      *vindexes;
+    float               *maxdepths;
 } md3model;
 
 #define VOXBORDWIDTH 1 //use 0 to save memory, but has texture artifacts; 1 looks better...
@@ -1089,6 +1092,10 @@ m->basepath = (char *)malloc(i+1); if (!m->basepath) { free(m->uv); free(m->tris
         m3->skinmap = sk;
     }
 
+    m3->indexes = malloc(sizeof(unsigned short) * s->numtris);
+    m3->vindexes = malloc(sizeof(unsigned short) * s->numtris * 3);
+    m3->maxdepths = malloc(sizeof(float) * s->numtris);
+
     // die MD2 ! DIE !
     free(m->texid); free(m->skinfn); free(m->basepath); free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(m);
 
@@ -1143,6 +1150,7 @@ static md3model *md3load (int fil)
 {
     char *buf, st[BMAX_PATH+2], bst[BMAX_PATH+2];
     long i, j, surfi, ofsurf, bsc, offs[4], leng[4];
+    long maxtrispersurf;
     md3model *m;
     md3surf_t *s;
 
@@ -1196,6 +1204,8 @@ if ((m->head.id != 0x33504449) && (m->head.vers != 15)) { free(m); return(0); }
     }
 #endif
 
+    maxtrispersurf = 0;
+
     for (surfi=0;surfi<m->head.numsurfs;surfi++)
     {
         s = &m->head.surfs[surfi];
@@ -1256,6 +1266,7 @@ if ((m->head.id != 0x33504449) && (m->head.vers != 15)) { free(m); return(0); }
         }
 #endif
         maxmodelverts = max(maxmodelverts, s->numverts);
+        maxtrispersurf = max(maxtrispersurf, s->numtris);
         ofsurf += s->ofsend;
     }
 
@@ -1280,6 +1291,10 @@ if ((m->head.id != 0x33504449) && (m->head.vers != 15)) { free(m); return(0); }
     if (!mdloadskin(&m->texid,&m->usesalpha,bst)) ;//bad!
 #endif
 
+    m->indexes = malloc(sizeof(unsigned short) * maxtrispersurf);
+    m->vindexes = malloc(sizeof(unsigned short) * maxtrispersurf * 3);
+    m->maxdepths = malloc(sizeof(float) * maxtrispersurf);
+
     return(m);
 }
 
@@ -1293,8 +1308,6 @@ static int md3draw (md3model *m, spritetype *tspr)
     int                 texunits = GL_TEXTURE0_ARB;
     mdskinmap_t *sk;
     //PLAG : sorting stuff
-    unsigned short      *indexes;
-    float               *maxdepths;
     unsigned short      tempus;
 
 
@@ -1581,9 +1594,6 @@ if (tspr->cstat&2) { if (!(tspr->cstat&512)) pc[3] = 0.66; else pc[3] = 0.33; }
         //PLAG: delayed polygon-level sorted rendering
         if (m->usesalpha && !(tspr->cstat & 1024) && !r_depthpeeling)
         {
-            indexes = malloc(sizeof(unsigned short) * s->numtris);
-            maxdepths = malloc(sizeof(float) * s->numtris);
-
             // old sorting methods - dead code
             /*for(i=s->numtris-1;i>=0;i--)
             {
@@ -1652,8 +1662,8 @@ if (tspr->cstat&2) { if (!(tspr->cstat&512)) pc[3] = 0.66; else pc[3] = 0.33; }
                 if (f > g)
                     f = g;
 
-                maxdepths[i] = f;
+                m->maxdepths[i] = f;
-                indexes[i] = i;
+                m->indexes[i] = i;
             }
 
             //bubble sort - dead code
@@ -1677,13 +1687,32 @@ if (tspr->cstat&2) { if (!(tspr->cstat&512)) pc[3] = 0.66; else pc[3] = 0.33; }
             }*/
 
             // dichotomic recursive sorting - about 100x less iterations than bubblesort
-            quicksort(indexes, maxdepths, 0, s->numtris - 1);
+            quicksort(m->indexes, m->maxdepths, 0, s->numtris - 1);
 
+            if (r_vertexarrays)
+            {
+                k = 0;
+                for (i=s->numtris-1;i>=0;i--)
+                    for (j=0;j<3;j++)
+                        m->vindexes[k++] = s->tris[m->indexes[i]].i[j];
+    
+                bglVertexPointer(3, GL_FLOAT, 0, &(vertlist[0].x));
+                l = GL_TEXTURE0_ARB;
+                while (l <= texunits)
+                {
+                    bglClientActiveTextureARB(l++);
+                    bglEnableClientState(GL_TEXTURE_COORD_ARRAY);
+                    bglTexCoordPointer(2, GL_FLOAT, 0, &(s->uv[0].u));
+                }
+                bglDrawElements(GL_TRIANGLES, s->numtris * 3, GL_UNSIGNED_SHORT, m->vindexes);
+            }
+            else
+            {
                 bglBegin(GL_TRIANGLES);
                 for (i=s->numtris-1;i>=0;i--)
                     for (j=0;j<3;j++)
                     {
-                    k = s->tris[indexes[i]].i[j];
+                        k = s->tris[m->indexes[i]].i[j];
                         if (texunits > GL_TEXTURE0_ARB)
                         {
                             l = GL_TEXTURE0_ARB;
@@ -1695,9 +1724,26 @@ if (tspr->cstat&2) { if (!(tspr->cstat&512)) pc[3] = 0.66; else pc[3] = 0.33; }
                         bglVertex3fv((float *)&vertlist[k]);
                     }
                 bglEnd();
+            }
+        }
+        else
+        {
+            if (r_vertexarrays)
+            {
+                k = 0;
+                for (i=s->numtris-1;i>=0;i--)
+                    for (j=0;j<3;j++)
+                        m->vindexes[k++] = s->tris[i].i[j];
 
-            free(indexes);
+                bglVertexPointer(3, GL_FLOAT, 0, &(vertlist[0].x));
-            free(maxdepths);
+                l = GL_TEXTURE0_ARB;
+                while (l <= texunits)
+                {
+                    bglClientActiveTextureARB(l++);
+                    bglEnableClientState(GL_TEXTURE_COORD_ARRAY);
+                    bglTexCoordPointer(2, GL_FLOAT, 0, &(s->uv[0].u));
+                }
+                bglDrawElements(GL_TRIANGLES, s->numtris * 3, GL_UNSIGNED_SHORT, m->vindexes);
             }
             else
             {
@@ -1718,9 +1764,8 @@ if (tspr->cstat&2) { if (!(tspr->cstat&512)) pc[3] = 0.66; else pc[3] = 0.33; }
                     }
                 bglEnd();
             }
+        }
 
-        if (texunits > GL_TEXTURE0_ARB)
-        {
             while (texunits > GL_TEXTURE0_ARB)
             {
                 bglMatrixMode(GL_TEXTURE);
@@ -1728,8 +1773,12 @@ if (tspr->cstat&2) { if (!(tspr->cstat&512)) pc[3] = 0.66; else pc[3] = 0.33; }
                 bglMatrixMode(GL_MODELVIEW);
                 bglTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.0f);
                 bglDisable(GL_TEXTURE_2D);
-                bglActiveTextureARB(--texunits);
+                if (r_vertexarrays)
+                {
+                    bglDisableClientState(GL_TEXTURE_COORD_ARRAY);
+                    bglClientActiveTextureARB(texunits - 1);
                 }
+                bglActiveTextureARB(--texunits);
             }
     }
     //------------
@@ -1790,6 +1839,10 @@ static void md3free (md3model *m)
 
     if (m->muladdframes) free(m->muladdframes);
 
+    if (m->indexes) free(m->indexes);
+    if (m->vindexes) free(m->vindexes);
+    if (m->maxdepths) free(m->maxdepths);
+
     free(m);
 }
 

polymer/build/src/polymost.c

@@ -155,6 +155,10 @@ long r_detailmapping = 1;
 // Glow mapping cvar
 long r_glowmapping = 1;
 
+// Vertex Array model drawing cvar
+long r_vertexarrays = 1;
+
+
 static float fogresult, ofogresult, fogcol[4];
 
 static void fogcalc (signed char shade, char vis, char pal)
@@ -798,6 +802,9 @@ void polymost_glinit()
         bglBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, peelprogram[1]);
         bglProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, strlen(peeledprogramstring), peeledprogramstring);
     }
+
+    bglEnableClientState(GL_VERTEX_ARRAY);
+    bglEnableClientState(GL_TEXTURE_COORD_ARRAY);
 }
 
 void resizeglcheck ()
@@ -5336,6 +5343,11 @@ static int osdcmd_polymostvars(const osdfuncparm_t *parm)
         }
         return OSDCMD_OK;
     }
+    else if (!Bstrcasecmp(parm->name, "r_vertexarrays")) {
+        if (showval) { OSD_Printf("r_vertexarrays is %d\n", r_vertexarrays); }
+        else r_vertexarrays = (val != 0);
+        return OSDCMD_OK;
+    }
     else if (!Bstrcasecmp(parm->name, "glpolygonmode")) {
         if (showval) { OSD_Printf("glpolygonmode is %d\n", glpolygonmode); }
         else glpolygonmode = val;
@@ -5422,6 +5434,7 @@ void polymost_initosdfuncs(void)
     OSD_RegisterFunction("r_curpeel","r_curpeel: allows to display one depth layer at a time (for development purposes)",osdcmd_polymostvars);
     OSD_RegisterFunction("r_detailmapping","r_detailmapping: enable/disable detail mapping",osdcmd_polymostvars);
     OSD_RegisterFunction("r_glowmapping","r_glowmapping: enable/disable glow mapping",osdcmd_polymostvars);
+    OSD_RegisterFunction("r_vertexarrays","r_vertexarrays: enable/disable using vertex arrays when drawing models",osdcmd_polymostvars);
 #endif
     OSD_RegisterFunction("usemodels","usemodels: enable/disable model rendering in >8-bit mode",osdcmd_polymostvars);
     OSD_RegisterFunction("usehightile","usehightile: enable/disable hightile texture rendering in >8-bit mode",osdcmd_polymostvars);

polymer/eduke32/source/config.c

@@ -681,6 +681,7 @@ int32 CONFIG_ReadSetup(void)
 
         SCRIPT_GetNumber(scripthandle, "Screen Setup", "GLDetailMapping", &r_detailmapping);
         SCRIPT_GetNumber(scripthandle, "Screen Setup", "GLGlowMapping", &r_glowmapping);
+        SCRIPT_GetNumber(scripthandle, "Screen Setup", "GLVertexArrays", &r_vertexarrays);
 
         dummy = usemodels;
         SCRIPT_GetNumber(scripthandle, "Screen Setup", "UseModels",&dummy);
@@ -838,6 +839,7 @@ void CONFIG_WriteSetup(void)
 
     SCRIPT_PutNumber(scripthandle, "Screen Setup", "GLDetailMapping", r_detailmapping,false,false);
     SCRIPT_PutNumber(scripthandle, "Screen Setup", "GLGlowMapping", r_glowmapping,false,false);
+    SCRIPT_PutNumber(scripthandle, "Screen Setup", "GLVertexArrays", r_vertexarrays,false,false);
 #endif
 #ifdef RENDERTYPEWIN
     SCRIPT_PutNumber(scripthandle, "Screen Setup", "MaxRefreshFreq",maxrefreshfreq,false,false);