mirror of
https://github.com/nzp-team/fteqw.git
synced 2024-11-14 16:31:38 +00:00
ce07219448
git-svn-id: https://svn.code.sf.net/p/fteqw/code/branches/wip@3572 fc73d0e0-1445-4013-8a0c-d673dee63da5
335 lines
8.7 KiB
C
335 lines
8.7 KiB
C
/*
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
|
|
This program 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 Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
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.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
*/
|
|
// r_surf.c: surface-related refresh code
|
|
|
|
#include "quakedef.h"
|
|
#if defined(GLQUAKE)
|
|
#include "glquake.h"
|
|
#include "shader.h"
|
|
#include "renderque.h"
|
|
#include <math.h>
|
|
|
|
extern cvar_t gl_bump;
|
|
|
|
|
|
void BE_ClearVBO(vbo_t *vbo)
|
|
{
|
|
int vboh[7];
|
|
int i, j;
|
|
vboh[0] = vbo->vboe;
|
|
vboh[1] = vbo->vbocoord;
|
|
vboh[2] = vbo->vbotexcoord;
|
|
vboh[3] = vbo->vbolmcoord;
|
|
vboh[4] = vbo->vbonormals;
|
|
vboh[5] = vbo->vbosvector;
|
|
vboh[6] = vbo->vbotvector;
|
|
|
|
for (i = 0; i < 7; i++)
|
|
{
|
|
if (!vboh[i])
|
|
continue;
|
|
for (j = 0; j < 7; j++)
|
|
{
|
|
if (vboh[j] == vboh[i])
|
|
break; //already freed by one of the other ones
|
|
}
|
|
if (j == 7)
|
|
qglDeleteBuffersARB(1, &vboh[i]);
|
|
}
|
|
if (!vbo->vbocoord)
|
|
BZ_Free(vbo->coord);
|
|
if (!vbo->vboe)
|
|
BZ_Free(vbo->indicies);
|
|
BZ_Free(vbo->meshlist);
|
|
memset(vbo, 0, sizeof(*vbo));
|
|
}
|
|
|
|
static qboolean GL_BuildVBO(vbo_t *vbo, void *vdata, int vsize, void *edata, int elementsize)
|
|
{
|
|
unsigned int vbos[2];
|
|
|
|
if (!qglGenBuffersARB)
|
|
return false;
|
|
|
|
qglGenBuffersARB(2, vbos);
|
|
GL_SelectVBO(vbos[0]);
|
|
qglBufferDataARB(GL_ARRAY_BUFFER_ARB, vsize, vdata, GL_STATIC_DRAW_ARB);
|
|
GL_SelectEBO(vbos[1]);
|
|
qglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, elementsize, edata, GL_STATIC_DRAW_ARB);
|
|
|
|
if (qglGetError())
|
|
{
|
|
GL_SelectVBO(0);
|
|
GL_SelectEBO(0);
|
|
qglDeleteBuffersARB(2, vbos);
|
|
return false;
|
|
}
|
|
|
|
//opengl ate our data, fixup the vbo arrays to point to the vbo instead of the raw data
|
|
|
|
if (vbo->indicies)
|
|
{
|
|
vbo->vboe = vbos[1];
|
|
vbo->indicies = (index_t*)((char*)vbo->indicies - (char*)edata);
|
|
}
|
|
if (vbo->coord)
|
|
{
|
|
vbo->vbocoord = vbos[0];
|
|
vbo->coord = (vecV_t*)((char*)vbo->coord - (char*)vdata);
|
|
}
|
|
if (vbo->texcoord)
|
|
{
|
|
vbo->vbotexcoord = vbos[0];
|
|
vbo->texcoord = (vec2_t*)((char*)vbo->texcoord - (char*)vdata);
|
|
}
|
|
if (vbo->lmcoord)
|
|
{
|
|
vbo->vbolmcoord = vbos[0];
|
|
vbo->lmcoord = (vec2_t*)((char*)vbo->lmcoord - (char*)vdata);
|
|
}
|
|
if (vbo->normals)
|
|
{
|
|
vbo->vbonormals = vbos[0];
|
|
vbo->normals = (vec3_t*)((char*)vbo->normals - (char*)vdata);
|
|
}
|
|
if (vbo->svector)
|
|
{
|
|
vbo->vbosvector = vbos[0];
|
|
vbo->svector = (vec3_t*)((char*)vbo->svector - (char*)vdata);
|
|
}
|
|
if (vbo->tvector)
|
|
{
|
|
vbo->vbotvector = vbos[0];
|
|
vbo->tvector = (vec3_t*)((char*)vbo->tvector - (char*)vdata);
|
|
}
|
|
if (vbo->colours4f)
|
|
{
|
|
vbo->vbocolours = vbos[0];
|
|
vbo->colours4f = (vec4_t*)((char*)vbo->colours4f - (char*)vdata);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void BE_GenBrushModelVBO(model_t *mod)
|
|
{
|
|
unsigned int maxvboverts;
|
|
unsigned int maxvboelements;
|
|
|
|
unsigned int t;
|
|
unsigned int i;
|
|
unsigned int v;
|
|
unsigned int vcount, ecount;
|
|
unsigned int pervertsize; //erm, that name wasn't intentional
|
|
unsigned int meshes;
|
|
|
|
vbo_t *vbo;
|
|
char *vboedata;
|
|
mesh_t *m;
|
|
char *vbovdata;
|
|
|
|
if (!mod->numsurfaces)
|
|
return;
|
|
|
|
for (t = 0; t < mod->numtextures; t++)
|
|
{
|
|
if (!mod->textures[t])
|
|
continue;
|
|
vbo = &mod->textures[t]->vbo;
|
|
BE_ClearVBO(vbo);
|
|
|
|
maxvboverts = 0;
|
|
maxvboelements = 0;
|
|
meshes = 0;
|
|
for (i=0 ; i<mod->numsurfaces ; i++)
|
|
{
|
|
if (mod->surfaces[i].texinfo->texture != mod->textures[t])
|
|
continue;
|
|
m = mod->surfaces[i].mesh;
|
|
if (!m)
|
|
continue;
|
|
|
|
meshes++;
|
|
maxvboelements += m->numindexes;
|
|
maxvboverts += m->numvertexes;
|
|
}
|
|
#if sizeof_index_t == 2
|
|
if (maxvboverts > (1<<(sizeof(index_t)*8))-1)
|
|
continue;
|
|
#endif
|
|
if (!maxvboverts)
|
|
continue;
|
|
|
|
//fixme: stop this from leaking!
|
|
vcount = 0;
|
|
ecount = 0;
|
|
|
|
pervertsize = sizeof(vecV_t)+ //coord
|
|
sizeof(vec2_t)+ //tex
|
|
sizeof(vec2_t)+ //lm
|
|
sizeof(vec3_t)+ //normal
|
|
sizeof(vec3_t)+ //sdir
|
|
sizeof(vec3_t)+ //tdir
|
|
sizeof(vec4_t); //colours
|
|
|
|
vbovdata = BZ_Malloc(maxvboverts*pervertsize);
|
|
vboedata = BZ_Malloc(maxvboelements*sizeof(index_t));
|
|
|
|
vbo->coord = (vecV_t*)(vbovdata);
|
|
vbo->texcoord = (vec2_t*)((char*)vbo->coord+maxvboverts*sizeof(*vbo->coord));
|
|
vbo->lmcoord = (vec2_t*)((char*)vbo->texcoord+maxvboverts*sizeof(*vbo->texcoord));
|
|
vbo->normals = (vec3_t*)((char*)vbo->lmcoord+maxvboverts*sizeof(*vbo->lmcoord));
|
|
vbo->svector = (vec3_t*)((char*)vbo->normals+maxvboverts*sizeof(*vbo->normals));
|
|
vbo->tvector = (vec3_t*)((char*)vbo->svector+maxvboverts*sizeof(*vbo->svector));
|
|
vbo->colours4f = (vec4_t*)((char*)vbo->tvector+maxvboverts*sizeof(*vbo->tvector));
|
|
vbo->indicies = (index_t*)vboedata;
|
|
|
|
vbo->meshcount = meshes;
|
|
vbo->meshlist = BZ_Malloc(meshes*sizeof(*vbo->meshlist));
|
|
|
|
meshes = 0;
|
|
|
|
for (i=0 ; i<mod->numsurfaces ; i++)
|
|
{
|
|
if (mod->surfaces[i].texinfo->texture != mod->textures[t])
|
|
continue;
|
|
m = mod->surfaces[i].mesh;
|
|
if (!m)
|
|
continue;
|
|
|
|
mod->surfaces[i].mark = &vbo->meshlist[meshes++];
|
|
*mod->surfaces[i].mark = NULL;
|
|
|
|
m->vbofirstvert = vcount;
|
|
m->vbofirstelement = ecount;
|
|
for (v = 0; v < m->numindexes; v++)
|
|
vbo->indicies[ecount++] = vcount + m->indexes[v];
|
|
for (v = 0; v < m->numvertexes; v++)
|
|
{
|
|
vbo->coord[vcount+v][0] = m->xyz_array[v][0];
|
|
vbo->coord[vcount+v][1] = m->xyz_array[v][1];
|
|
vbo->coord[vcount+v][2] = m->xyz_array[v][2];
|
|
if (m->st_array)
|
|
{
|
|
vbo->texcoord[vcount+v][0] = m->st_array[v][0];
|
|
vbo->texcoord[vcount+v][1] = m->st_array[v][1];
|
|
}
|
|
if (m->lmst_array)
|
|
{
|
|
vbo->lmcoord[vcount+v][0] = m->lmst_array[v][0];
|
|
vbo->lmcoord[vcount+v][1] = m->lmst_array[v][1];
|
|
}
|
|
if (m->normals_array)
|
|
{
|
|
vbo->normals[vcount+v][0] = m->normals_array[v][0];
|
|
vbo->normals[vcount+v][1] = m->normals_array[v][1];
|
|
vbo->normals[vcount+v][2] = m->normals_array[v][2];
|
|
}
|
|
if (m->snormals_array)
|
|
{
|
|
vbo->svector[vcount+v][0] = m->snormals_array[v][0];
|
|
vbo->svector[vcount+v][1] = m->snormals_array[v][1];
|
|
vbo->svector[vcount+v][2] = m->snormals_array[v][2];
|
|
}
|
|
if (m->tnormals_array)
|
|
{
|
|
vbo->tvector[vcount+v][0] = m->tnormals_array[v][0];
|
|
vbo->tvector[vcount+v][1] = m->tnormals_array[v][1];
|
|
vbo->tvector[vcount+v][2] = m->tnormals_array[v][2];
|
|
}
|
|
if (m->colors4f_array)
|
|
{
|
|
vbo->colours4f[vcount+v][0] = m->colors4f_array[v][0];
|
|
vbo->colours4f[vcount+v][1] = m->colors4f_array[v][1];
|
|
vbo->colours4f[vcount+v][2] = m->colors4f_array[v][2];
|
|
vbo->colours4f[vcount+v][3] = m->colors4f_array[v][3];
|
|
}
|
|
}
|
|
vcount += v;
|
|
}
|
|
|
|
if (GL_BuildVBO(vbo, vbovdata, vcount*pervertsize, vboedata, ecount*sizeof(index_t)))
|
|
{
|
|
BZ_Free(vbovdata);
|
|
BZ_Free(vboedata);
|
|
}
|
|
}
|
|
/* for (i=0 ; i<mod->numsurfaces ; i++)
|
|
{
|
|
if (!mod->surfaces[i].mark)
|
|
Host_EndGame("Surfaces with bad textures detected\n");
|
|
}*/
|
|
}
|
|
|
|
void BE_UploadAllLightmaps(void)
|
|
{
|
|
int i;
|
|
//
|
|
// upload all lightmaps that were filled
|
|
//
|
|
for (i=0 ; i<numlightmaps ; i++)
|
|
{
|
|
if (!lightmap[i])
|
|
break; // no more used
|
|
lightmap[i]->rectchange.l = LMBLOCK_WIDTH;
|
|
lightmap[i]->rectchange.t = LMBLOCK_HEIGHT;
|
|
lightmap[i]->rectchange.w = 0;
|
|
lightmap[i]->rectchange.h = 0;
|
|
if (!lightmap[i]->modified)
|
|
continue;
|
|
lightmap[i]->modified = false;
|
|
GL_Bind(lightmap_textures[i]);
|
|
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
switch (lightmap_bytes)
|
|
{
|
|
case 4:
|
|
qglTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8,
|
|
LMBLOCK_WIDTH, LMBLOCK_WIDTH, 0, (lightmap_bgra?GL_BGRA_EXT:GL_RGBA), GL_UNSIGNED_INT_8_8_8_8_REV,
|
|
lightmap[i]->lightmaps);
|
|
break;
|
|
case 3:
|
|
qglTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8,
|
|
LMBLOCK_WIDTH, LMBLOCK_WIDTH, 0, (lightmap_bgra?GL_BGR_EXT:GL_RGB), GL_UNSIGNED_BYTE,
|
|
lightmap[i]->lightmaps);
|
|
break;
|
|
case 1:
|
|
qglTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE,
|
|
LMBLOCK_WIDTH, LMBLOCK_WIDTH, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE,
|
|
lightmap[i]->lightmaps);
|
|
break;
|
|
}
|
|
if (gl_bump.ival)
|
|
{
|
|
lightmap[i]->deluxmodified = false;
|
|
lightmap[i]->deluxrectchange.l = LMBLOCK_WIDTH;
|
|
lightmap[i]->deluxrectchange.t = LMBLOCK_HEIGHT;
|
|
lightmap[i]->deluxrectchange.w = 0;
|
|
lightmap[i]->deluxrectchange.h = 0;
|
|
GL_Bind(deluxmap_textures[i]);
|
|
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
qglTexImage2D (GL_TEXTURE_2D, 0, 3
|
|
, LMBLOCK_WIDTH, LMBLOCK_HEIGHT, 0,
|
|
GL_RGB, GL_UNSIGNED_BYTE, lightmap[i]->deluxmaps);
|
|
}
|
|
}
|
|
}
|
|
#endif
|