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speed up 16 bit vertex lerping by getting GL to do the 1/256 scaling for us

This commit is contained in:
Bill Currie 2003-04-03 23:09:43 +00:00
parent 87e73b6e26
commit e00966b319
1 changed files with 15 additions and 14 deletions
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29
libs/video/renderer/gl/gl_mod_alias.c
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@ -339,7 +339,6 @@ GL_GetAliasFrameVerts16 (int frame, aliashdr_t *paliashdr, entity_t *e)
float d1, d2;
VectorBlend (v1, v2, blend, vo_v->vert);
VectorScale (vo_v->vert, 1.0 / 256.0, vo_v->vert);
n1 = r_avertexnormals[verts1->lightnormalindex];
n2 = r_avertexnormals[verts2->lightnormalindex];
d1 = DotProduct (shadevector, n1);
@ -355,7 +354,6 @@ GL_GetAliasFrameVerts16 (int frame, aliashdr_t *paliashdr, entity_t *e)
float *n;
float d;
VectorScale (verts->v, 1.0 / 256.0, vo_v->vert);
n = r_avertexnormals[verts->lightnormalindex];
d = DotProduct (shadevector, n);
vo_v->lightdot = max (0.0, d);
@ -580,16 +578,6 @@ R_DrawAliasModel (entity_t *e)
// locate the proper data
paliashdr = Cache_Get (&e->model->cache);
c_alias_polys += paliashdr->mdl.numtris;
VectorScale (paliashdr->mdl.scale, e->scale, scale);
// draw all the triangles
qfglPushMatrix ();
R_RotateForEntity (e);
qfglTranslatef (paliashdr->mdl.scale_origin[0],
paliashdr->mdl.scale_origin[1],
paliashdr->mdl.scale_origin[2]);
qfglScalef (scale[0], scale[1], scale[2]);
// if the model has a colorised/external skin, use it, otherwise use
// the skin embedded in the model data
@ -609,14 +597,27 @@ R_DrawAliasModel (entity_t *e)
fb_texture = skindesc->fb_texnum;
}
if (paliashdr->mdl.ident == POLYHEADER16)
if (paliashdr->mdl.ident == POLYHEADER16) {
VectorScale (paliashdr->mdl.scale, e->scale / 256.0, scale);
vo = GL_GetAliasFrameVerts16 (e->frame, paliashdr, e);
else
} else {
VectorScale (paliashdr->mdl.scale, e->scale, scale);
vo = GL_GetAliasFrameVerts (e->frame, paliashdr, e);
}
// setup the transform
qfglPushMatrix ();
R_RotateForEntity (e);
qfglTranslatef (paliashdr->mdl.scale_origin[0],
paliashdr->mdl.scale_origin[1],
paliashdr->mdl.scale_origin[2]);
qfglScalef (scale[0], scale[1], scale[2]);
if (modelalpha < 1.0)
qfglDepthMask (GL_FALSE);
// draw all the triangles
if (model->fullbright) {
qfglBindTexture (GL_TEXTURE_2D, texture);
GL_DrawAliasFrame_fb (vo);