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WildCode's alias model VA prepatory patch

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This commit is contained in:
Bill Currie 2003-04-08 04:13:49 +00:00
parent 8fc721a2bb
commit 01bff9c79e
5 changed files with 261 additions and 117 deletions
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3
include/QF/model.h
View file

@ -309,7 +309,7 @@ typedef struct {
int triangles;
mdl_t mdl;
int tex_coord;
int numposes;
int poseverts;
int posedata; // numposes * poseverts trivert_t
@ -462,6 +462,7 @@ void Mod_Print (void);
extern struct cvar_s *gl_mesh_cache;
extern struct cvar_s *gl_subdivide_size;
extern struct cvar_s *gl_alias_render_tri;
extern model_t *loadmodel;
extern char loadname[32];
extern byte *mod_base;

4
include/QF/modelgen.h
View file

@ -71,6 +71,10 @@ typedef struct {
// TODO: could be shorts
typedef struct {
float st[2];
} tex_coord_t;
typedef struct {
int onseam;
int s;

30
libs/models/alias/gl_mesh.c
View file

@ -345,6 +345,8 @@ Mod_MakeAliasModelDisplayLists (model_t *m, aliashdr_t *hdr, void *_m, int _s, i
aliasmodel = m;
paliashdr = hdr;
if (!gl_alias_render_tri->int_val) {
if (gl_mesh_cache->int_val
&& gl_mesh_cache->int_val <= paliashdr->mdl.numtris) {
do_cache = true;
@ -472,6 +474,34 @@ Mod_MakeAliasModelDisplayLists (model_t *m, aliashdr_t *hdr, void *_m, int _s, i
paliashdr->commands = (byte *) cmds - (byte *) paliashdr;
memcpy (cmds, commands, numcommands * sizeof (int));
} else {
tex_coord_t *tex_coord;
numorder = 0;
for (i=0; i < pheader->mdl.numtris; i++) {
add_vertex(triangles[i].vertindex[0]);
add_vertex(triangles[i].vertindex[1]);
add_vertex(triangles[i].vertindex[2]);
}
paliashdr->poseverts = numorder;
tex_coord = Hunk_Alloc (numorder * sizeof(tex_coord_t));
paliashdr->tex_coord = (byte *) tex_coord - (byte *) paliashdr;
for (i=0; i < numorder; i++) {
float s, t;
int k;
k = vertexorder[i];
s = stverts[k].s;
t = stverts[k].t;
if (!triangles[i/3].facesfront && stverts[k].onseam)
s += pheader->mdl.skinwidth / 2; // on back side
s = (s + 0.5) / pheader->mdl.skinwidth;
t = (t + 0.5) / pheader->mdl.skinheight;
tex_coord[i].st[0] = s;
tex_coord[i].st[1] = t;
}
}
if (extra) {
trivertx16_t *verts;
verts = Hunk_Alloc (paliashdr->numposes * paliashdr->poseverts

2
libs/models/model.c
View file

@ -60,6 +60,7 @@ texture_t *r_notexture_mip;
cvar_t *gl_mesh_cache;
cvar_t *gl_subdivide_size;
cvar_t *gl_alias_render_tri;
static void Mod_CallbackLoad (void *object, cache_allocator_t allocator);
@ -102,6 +103,7 @@ Mod_Init_Cvars (void)
gl_mesh_cache = Cvar_Get ("gl_mesh_cache", "256", CVAR_ARCHIVE, NULL,
"minimum triangle count in a model for its mesh"
" to be cached. 0 to disable caching");
gl_alias_render_tri = Cvar_Get("gl_alias_render_tri", "0", CVAR_ARCHIVE, NULL, "When loading alias models mesh for pure triangle rendering");
}
void

115
libs/video/renderer/gl/gl_mod_alias.c
View file

@ -74,6 +74,8 @@ typedef struct {
typedef struct {
blended_vert_t *verts;
int *order;
tex_coord_t *tex_coord;
int count;
} vert_order_t;
float r_avertexnormals[NUMVERTEXNORMALS][3] = {
@ -88,6 +90,84 @@ float r_avertexnormal_dots[SHADEDOT_QUANT][256] =
vec3_t shadevector;
static void
GL_DrawAliasFrameTri (vert_order_t *vo)
{
float color[4];
int count;
blended_vert_t *verts;
tex_coord_t *tex_coord;
verts = vo->verts;
tex_coord = vo->tex_coord;
color[3] = modelalpha;
count = vo->count;
qfglBegin (GL_TRIANGLES);
do {
qfglTexCoord2fv (tex_coord->st);
VectorMA (ambientcolor, verts->lightdot, shadecolor, color);
qfglColor4fv (color);
qfglVertex3fv (verts->vert);
tex_coord++;
verts++;
} while (count--);
qfglEnd();
}
static void
GL_DrawAliasFrameTri_fb (vert_order_t *vo)
{
int count;
float color[4] = { 1.0, 1.0, 1.0, 0.0};
blended_vert_t *verts;
tex_coord_t *tex_coord;
verts = vo->verts;
color[3] = modelalpha * 1.0;
count = vo->count;
tex_coord = vo->tex_coord;
qfglBegin (GL_TRIANGLES);
do {
qfglTexCoord2fv (tex_coord->st);
qfglColor4fv (color);
qfglVertex3fv (verts->vert);
tex_coord++;
verts++;
} while (--count);
qfglEnd();
}
static void
GL_DrawAliasFrameTriMulti (vert_order_t *vo)
{
float color[4];
int count;
blended_vert_t *verts;
tex_coord_t *tex_coord;
verts = vo->verts;
tex_coord = vo->tex_coord;
color[3] = modelalpha;
count = vo->count;
qfglBegin (GL_TRIANGLES);
do {
// texture coordinates come from the draw list
qglMultiTexCoord2fv (gl_mtex_enum + 0, tex_coord->st);
qglMultiTexCoord2fv (gl_mtex_enum + 1, tex_coord->st);
tex_coord++;
// normals and vertexes come from the frame list
VectorMA (ambientcolor, verts->lightdot, shadecolor, color);
qfglColor4fv (color);
qfglVertex3fv (verts->vert);
verts++;
} while (--count);
qfglEnd ();
}
static void
GL_DrawAliasFrame (vert_order_t *vo)
{
@ -277,14 +357,18 @@ GL_GetAliasFrameVerts16 (int frame, aliashdr_t *paliashdr, entity_t *e)
pose = paliashdr->frames[frame].firstpose;
numposes = paliashdr->frames[frame].numposes;
verts = (trivertx16_t *) ((byte *) paliashdr + paliashdr->posedata);
count = paliashdr->poseverts;
vo = Hunk_TempAlloc (sizeof (*vo) + count * sizeof (blended_vert_t));
vo->order = (int *) ((byte *) paliashdr + paliashdr->commands);
vo->verts = (blended_vert_t *) &vo[1];
if (paliashdr->tex_coord) {
vo->tex_coord = (tex_coord_t *) ((byte *) paliashdr + paliashdr->tex_coord);
} else {
vo->tex_coord = NULL;
}
vo->count = count;
if (numposes > 1) {
interval = paliashdr->frames[frame].interval;
pose += (int) (r_realtime / interval) % numposes;
@ -386,6 +470,12 @@ GL_GetAliasFrameVerts (int frame, aliashdr_t *paliashdr, entity_t *e)
vo = Hunk_TempAlloc (sizeof (*vo) + count * sizeof (blended_vert_t));
vo->order = (int *) ((byte *) paliashdr + paliashdr->commands);
vo->verts = (blended_vert_t *) &vo[1];
if (paliashdr->tex_coord) {
vo->tex_coord = (tex_coord_t *) ((byte *) paliashdr + paliashdr->tex_coord);
} else {
vo->tex_coord = NULL;
}
vo->count = count;
if (numposes > 1) {
interval = paliashdr->frames[frame].interval;
@ -619,11 +709,18 @@ R_DrawAliasModel (entity_t *e)
// draw all the triangles
if (model->fullbright) {
qfglBindTexture (GL_TEXTURE_2D, texture);
if (vo->tex_coord)
GL_DrawAliasFrameTri_fb (vo);
else
GL_DrawAliasFrame_fb (vo);
} else if (!fb_texture) {
// Model has no fullbrights, don't bother with multi
qfglBindTexture (GL_TEXTURE_2D, texture);
if (vo->tex_coord)
GL_DrawAliasFrameTri (vo);
else
GL_DrawAliasFrame (vo);
} else { // try multitexture
if (gl_mtex_active) { // set up the textures
@ -635,19 +732,29 @@ R_DrawAliasModel (entity_t *e)
qfglTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
qfglEnable (GL_TEXTURE_2D);
GL_DrawAliasFrameMulti (vo); // do the heavy lifting
// do the heavy lifting
if (vo->tex_coord)
GL_DrawAliasFrameTriMulti (vo);
else
GL_DrawAliasFrameMulti (vo);
// restore the settings
qfglDisable (GL_TEXTURE_2D);
qglActiveTexture (gl_mtex_enum + 0);
} else {
if (vo->tex_coord) {
qfglBindTexture (GL_TEXTURE_2D, texture);
GL_DrawAliasFrameTri (vo);
qfglBindTexture (GL_TEXTURE_2D, fb_texture);
GL_DrawAliasFrameTri_fb (vo);
} else {
qfglBindTexture (GL_TEXTURE_2D, texture);
GL_DrawAliasFrame (vo);
qfglBindTexture (GL_TEXTURE_2D, fb_texture);
GL_DrawAliasFrame_fb (vo);
}
}
}
qfglPopMatrix ();