minimize token checks

This commit is contained in:
tigrazone
2017-12-08 21:53:36 +02:00
parent 5d7f6bf539
commit c016910317

View File

@@ -946,6 +946,7 @@ static inline texture_type_t parseTextureType(
const char **token, texture_type_t default_value = TEXTURE_TYPE_NONE) {
(*token) += strspn((*token), " \t");
const char *end = (*token) + strcspn((*token), " \t\r");
texture_type_t ty = default_value;
@@ -957,42 +958,47 @@ static inline texture_type_t parseTextureType(
a_tok = token2tok(*token);
//tigra: dont check if wrong token
if(a_tok>=TOK_cube_top && a_tok<=TOK_sphere)
{
//if ((0 == strncmp((*token), "cube_top", strlen("cube_top"))))
if (a_tok == TOK_cube_top)
{
ty = TEXTURE_TYPE_CUBE_TOP;
} else
//if ((0 == strncmp((*token), "cube_bottom", strlen("cube_bottom"))))
if (a_tok == TOK_cube_bottom)
//if ((0 == strncmp((*token), "cube_top", strlen("cube_top"))))
if (a_tok == TOK_cube_top)
{
ty = TEXTURE_TYPE_CUBE_BOTTOM;
} else
//if ((0 == strncmp((*token), "cube_left", strlen("cube_left"))))
if (a_tok == TOK_cube_left)
{
ty = TEXTURE_TYPE_CUBE_LEFT;
} else
//if ((0 == strncmp((*token), "cube_right", strlen("cube_right"))))
if (a_tok == TOK_cube_right)
{
ty = TEXTURE_TYPE_CUBE_RIGHT;
} else
//if ((0 == strncmp((*token), "cube_front", strlen("cube_front"))))
if (a_tok == TOK_cube_front)
{
ty = TEXTURE_TYPE_CUBE_FRONT;
} else
//if ((0 == strncmp((*token), "cube_back", strlen("cube_back"))))
if (a_tok == TOK_cube_back)
{
ty = TEXTURE_TYPE_CUBE_BACK;
} else
//if ((0 == strncmp((*token), "sphere", strlen("sphere"))))
if (a_tok == TOK_sphere)
{
ty = TEXTURE_TYPE_SPHERE;
}
ty = TEXTURE_TYPE_CUBE_TOP;
} else
//if ((0 == strncmp((*token), "cube_bottom", strlen("cube_bottom"))))
if (a_tok == TOK_cube_bottom)
{
ty = TEXTURE_TYPE_CUBE_BOTTOM;
} else
//if ((0 == strncmp((*token), "cube_left", strlen("cube_left"))))
if (a_tok == TOK_cube_left)
{
ty = TEXTURE_TYPE_CUBE_LEFT;
} else
//if ((0 == strncmp((*token), "cube_right", strlen("cube_right"))))
if (a_tok == TOK_cube_right)
{
ty = TEXTURE_TYPE_CUBE_RIGHT;
} else
//if ((0 == strncmp((*token), "cube_front", strlen("cube_front"))))
if (a_tok == TOK_cube_front)
{
ty = TEXTURE_TYPE_CUBE_FRONT;
} else
//if ((0 == strncmp((*token), "cube_back", strlen("cube_back"))))
if (a_tok == TOK_cube_back)
{
ty = TEXTURE_TYPE_CUBE_BACK;
} else
//if ((0 == strncmp((*token), "sphere", strlen("sphere"))))
if (a_tok == TOK_sphere)
{
ty = TEXTURE_TYPE_SPHERE;
}
}
(*token) = end;
return ty;
@@ -1156,81 +1162,85 @@ static bool ParseTextureNameAndOption(std::string *texname,
a_tok = token2tok(token);
//if ((0 == strncmp(token, "-blendu", 7)) && IS_SPACE((token[7])))
if (a_tok == TOK_blendu)
//tigra: minimize checks
if(a_tok>=TOK_blendu && a_tok<=TOK_mm)
{
token += 8;
texopt->blendu = parseOnOff(&token, /* default */ true);
} else
//if ((0 == strncmp(token, "-blendv", 7)) && IS_SPACE((token[7])))
if (a_tok == TOK_blendv)
{
token += 8;
texopt->blendv = parseOnOff(&token, /* default */ true);
} else
//if ((0 == strncmp(token, "-clamp", 6)) && IS_SPACE((token[6])))
if (a_tok == TOK_clamp)
{
token += 7;
texopt->clamp = parseOnOff(&token, /* default */ true);
} else
//if ((0 == strncmp(token, "-boost", 6)) && IS_SPACE((token[6])))
if (a_tok == TOK_boost)
{
token += 7;
texopt->sharpness = parseReal(&token, 1.0);
} else
//if ((0 == strncmp(token, "-bm", 3)) && IS_SPACE((token[3])))
if (a_tok == TOK_bm)
{
token += 4;
texopt->bump_multiplier = parseReal(&token, 1.0);
} else
//if ((0 == strncmp(token, "-o", 2)) && IS_SPACE((token[2])))
if (a_tok == TOK_o)
{
token += 3;
parseReal3(&(texopt->origin_offset[0]), &(texopt->origin_offset[1]),
&(texopt->origin_offset[2]), &token);
} else
//if ((0 == strncmp(token, "-s", 2)) && IS_SPACE((token[2])))
if (a_tok == TOK_s)
{
token += 3;
parseReal3(&(texopt->scale[0]), &(texopt->scale[1]), &(texopt->scale[2]),
&token, 1.0, 1.0, 1.0);
} else
//if ((0 == strncmp(token, "-t", 2)) && IS_SPACE((token[2])))
if (a_tok == TOK_t)
{
token += 3;
parseReal3(&(texopt->turbulence[0]), &(texopt->turbulence[1]),
&(texopt->turbulence[2]), &token);
} else
//if ((0 == strncmp(token, "-type", 5)) && IS_SPACE((token[5])))
if (a_tok == TOK_type)
{
token += 5;
texopt->type = parseTextureType((&token), TEXTURE_TYPE_NONE);
} else
//if ((0 == strncmp(token, "-imfchan", 8)) && IS_SPACE((token[8])))
if (a_tok == TOK_imfchan)
{
token += 9;
token += strspn(token, " \t");
const char *end = token + strcspn(token, " \t\r");
if ((end - token) == 1) { // Assume one char for -imfchan
texopt->imfchan = (*token);
}
token = end;
} else
//if ((0 == strncmp(token, "-mm", 3)) && IS_SPACE((token[3])))
if (a_tok == TOK_mm)
{
token += 4;
parseReal2(&(texopt->brightness), &(texopt->contrast), &token, 0.0, 1.0);
} else {
//if ((0 == strncmp(token, "-blendu", 7)) && IS_SPACE((token[7])))
if (a_tok == TOK_blendu)
{
token += 8;
texopt->blendu = parseOnOff(&token, /* default */ true);
} else
//if ((0 == strncmp(token, "-blendv", 7)) && IS_SPACE((token[7])))
if (a_tok == TOK_blendv)
{
token += 8;
texopt->blendv = parseOnOff(&token, /* default */ true);
} else
//if ((0 == strncmp(token, "-clamp", 6)) && IS_SPACE((token[6])))
if (a_tok == TOK_clamp)
{
token += 7;
texopt->clamp = parseOnOff(&token, /* default */ true);
} else
//if ((0 == strncmp(token, "-boost", 6)) && IS_SPACE((token[6])))
if (a_tok == TOK_boost)
{
token += 7;
texopt->sharpness = parseReal(&token, 1.0);
} else
//if ((0 == strncmp(token, "-bm", 3)) && IS_SPACE((token[3])))
if (a_tok == TOK_bm)
{
token += 4;
texopt->bump_multiplier = parseReal(&token, 1.0);
} else
//if ((0 == strncmp(token, "-o", 2)) && IS_SPACE((token[2])))
if (a_tok == TOK_o)
{
token += 3;
parseReal3(&(texopt->origin_offset[0]), &(texopt->origin_offset[1]),
&(texopt->origin_offset[2]), &token);
} else
//if ((0 == strncmp(token, "-s", 2)) && IS_SPACE((token[2])))
if (a_tok == TOK_s)
{
token += 3;
parseReal3(&(texopt->scale[0]), &(texopt->scale[1]), &(texopt->scale[2]),
&token, 1.0, 1.0, 1.0);
} else
//if ((0 == strncmp(token, "-t", 2)) && IS_SPACE((token[2])))
if (a_tok == TOK_t)
{
token += 3;
parseReal3(&(texopt->turbulence[0]), &(texopt->turbulence[1]),
&(texopt->turbulence[2]), &token);
} else
//if ((0 == strncmp(token, "-type", 5)) && IS_SPACE((token[5])))
if (a_tok == TOK_type)
{
token += 5;
texopt->type = parseTextureType((&token), TEXTURE_TYPE_NONE);
} else
//if ((0 == strncmp(token, "-imfchan", 8)) && IS_SPACE((token[8])))
if (a_tok == TOK_imfchan)
{
token += 9;
token += strspn(token, " \t");
const char *end = token + strcspn(token, " \t\r");
if ((end - token) == 1) { // Assume one char for -imfchan
texopt->imfchan = (*token);
}
token = end;
} else
//if ((0 == strncmp(token, "-mm", 3)) && IS_SPACE((token[3])))
if (a_tok == TOK_mm)
{
token += 4;
parseReal2(&(texopt->brightness), &(texopt->contrast), &token, 0.0, 1.0);
}
}
else {
// Assume texture filename
#if 0
size_t len = strcspn(token, " \t\r"); // untile next space
@@ -1547,238 +1557,242 @@ void LoadMtl(std::map<std::string, int> *material_map,
a_tok = token2tok(token);
//tigra: refactoring for new speedup release
// new mtl
//if ((0 == strncmp(token, "newmtl", 6)) && IS_SPACE((token[6])))
if (a_tok == TOK_newmtl)
//tigra: minimize checks
if(a_tok>=TOK_newmtl && a_tok<=TOK_norm)
{
// flush previous material.
if (!material.name.empty()) {
material_map->insert(std::pair<std::string, int>(
material.name, static_cast<int>(materials->size())));
materials->push_back(material);
}
// initial temporary material
InitMaterial(&material);
//tigra: refactoring for new speedup release
// new mtl
//if ((0 == strncmp(token, "newmtl", 6)) && IS_SPACE((token[6])))
if (a_tok == TOK_newmtl)
{
// flush previous material.
if (!material.name.empty()) {
material_map->insert(std::pair<std::string, int>(
material.name, static_cast<int>(materials->size())));
materials->push_back(material);
}
has_d = false;
has_tr = false;
// initial temporary material
InitMaterial(&material);
// set new mtl name
token += 7;
{
std::stringstream sstr;
sstr << token;
material.name = sstr.str();
}
continue;
}
has_d = false;
has_tr = false;
// illum model
//if (0 == strncmp(token, "illum", 5) && IS_SPACE(token[5]))
if (a_tok == TOK_illum)
{
token += 6;
material.illum = parseInt(&token);
continue;
}
// set new mtl name
token += 7;
{
std::stringstream sstr;
sstr << token;
material.name = sstr.str();
}
continue;
}
// illum model
//if (0 == strncmp(token, "illum", 5) && IS_SPACE(token[5]))
if (a_tok == TOK_illum)
{
token += 6;
material.illum = parseInt(&token);
continue;
}
// PBR: clearcoat roughness
//if ((0 == strncmp(token, "Pcr", 3)) && IS_SPACE(token[3]))
if (a_tok == TOK_Pcr)
{
token += 4;
material.clearcoat_roughness = parseReal(&token);
continue;
}
// PBR: clearcoat roughness
//if ((0 == strncmp(token, "Pcr", 3)) && IS_SPACE(token[3]))
if (a_tok == TOK_Pcr)
{
token += 4;
material.clearcoat_roughness = parseReal(&token);
continue;
}
// PBR: anisotropy
//if ((0 == strncmp(token, "aniso", 5)) && IS_SPACE(token[5]))
if (a_tok == TOK_aniso)
{
token += 6;
material.anisotropy = parseReal(&token);
continue;
}
// PBR: anisotropy
//if ((0 == strncmp(token, "aniso", 5)) && IS_SPACE(token[5]))
if (a_tok == TOK_aniso)
{
token += 6;
material.anisotropy = parseReal(&token);
continue;
}
// PBR: anisotropy rotation
//if ((0 == strncmp(token, "anisor", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_anisor)
{
token += 7;
material.anisotropy_rotation = parseReal(&token);
continue;
}
// PBR: anisotropy rotation
//if ((0 == strncmp(token, "anisor", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_anisor)
{
token += 7;
material.anisotropy_rotation = parseReal(&token);
continue;
}
// ambient texture
//if ((0 == strncmp(token, "map_Ka", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Ka)
{
token += 7;
ParseTextureNameAndOption(&(material.ambient_texname),
&(material.ambient_texopt), token,
/* is_bump */ false);
continue;
}
// ambient texture
//if ((0 == strncmp(token, "map_Ka", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Ka)
{
token += 7;
ParseTextureNameAndOption(&(material.ambient_texname),
&(material.ambient_texopt), token,
/* is_bump */ false);
continue;
}
// diffuse texture
//if ((0 == strncmp(token, "map_Kd", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Kd)
{
token += 7;
ParseTextureNameAndOption(&(material.diffuse_texname),
&(material.diffuse_texopt), token,
/* is_bump */ false);
continue;
}
// diffuse texture
//if ((0 == strncmp(token, "map_Kd", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Kd)
{
token += 7;
ParseTextureNameAndOption(&(material.diffuse_texname),
&(material.diffuse_texopt), token,
/* is_bump */ false);
continue;
}
// specular texture
//if ((0 == strncmp(token, "map_Ks", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Ks)
{
token += 7;
ParseTextureNameAndOption(&(material.specular_texname),
&(material.specular_texopt), token,
/* is_bump */ false);
continue;
}
// specular texture
//if ((0 == strncmp(token, "map_Ks", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Ks)
{
token += 7;
ParseTextureNameAndOption(&(material.specular_texname),
&(material.specular_texopt), token,
/* is_bump */ false);
continue;
}
// specular highlight texture
//if ((0 == strncmp(token, "map_Ns", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Ns)
{
token += 7;
ParseTextureNameAndOption(&(material.specular_highlight_texname),
&(material.specular_highlight_texopt), token,
/* is_bump */ false);
continue;
}
// specular highlight texture
//if ((0 == strncmp(token, "map_Ns", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Ns)
{
token += 7;
ParseTextureNameAndOption(&(material.specular_highlight_texname),
&(material.specular_highlight_texopt), token,
/* is_bump */ false);
continue;
}
// bump texture
//if ((0 == strncmp(token, "map_bump", 8)) && IS_SPACE(token[8]))
if (a_tok == TOK_map_bump)
{
token += 9;
ParseTextureNameAndOption(&(material.bump_texname),
&(material.bump_texopt), token,
/* is_bump */ true);
continue;
}
// bump texture
//if ((0 == strncmp(token, "map_bump", 8)) && IS_SPACE(token[8]))
if (a_tok == TOK_map_bump)
{
token += 9;
ParseTextureNameAndOption(&(material.bump_texname),
&(material.bump_texopt), token,
/* is_bump */ true);
continue;
}
// bump texture
//if ((0 == strncmp(token, "map_Bump", 8)) && IS_SPACE(token[8]))
if (a_tok == TOK_map_Bump)
{
token += 9;
ParseTextureNameAndOption(&(material.bump_texname),
&(material.bump_texopt), token,
/* is_bump */ true);
continue;
}
// bump texture
//if ((0 == strncmp(token, "map_Bump", 8)) && IS_SPACE(token[8]))
if (a_tok == TOK_map_Bump)
{
token += 9;
ParseTextureNameAndOption(&(material.bump_texname),
&(material.bump_texopt), token,
/* is_bump */ true);
continue;
}
// bump texture
//if ((0 == strncmp(token, "bump", 4)) && IS_SPACE(token[4]))
if (a_tok == TOK_bump)
{
token += 5;
ParseTextureNameAndOption(&(material.bump_texname),
&(material.bump_texopt), token,
/* is_bump */ true);
continue;
}
// bump texture
//if ((0 == strncmp(token, "bump", 4)) && IS_SPACE(token[4]))
if (a_tok == TOK_bump)
{
token += 5;
ParseTextureNameAndOption(&(material.bump_texname),
&(material.bump_texopt), token,
/* is_bump */ true);
continue;
}
// alpha texture
//if ((0 == strncmp(token, "map_d", 5)) && IS_SPACE(token[5]))
if (a_tok == TOK_map_d)
{
token += 6;
material.alpha_texname = token;
ParseTextureNameAndOption(&(material.alpha_texname),
&(material.alpha_texopt), token,
/* is_bump */ false);
continue;
}
// alpha texture
//if ((0 == strncmp(token, "map_d", 5)) && IS_SPACE(token[5]))
if (a_tok == TOK_map_d)
{
token += 6;
material.alpha_texname = token;
ParseTextureNameAndOption(&(material.alpha_texname),
&(material.alpha_texopt), token,
/* is_bump */ false);
continue;
}
// displacement texture
//if ((0 == strncmp(token, "disp", 4)) && IS_SPACE(token[4]))
if (a_tok == TOK_disp)
{
token += 5;
ParseTextureNameAndOption(&(material.displacement_texname),
&(material.displacement_texopt), token,
/* is_bump */ false);
continue;
}
// displacement texture
//if ((0 == strncmp(token, "disp", 4)) && IS_SPACE(token[4]))
if (a_tok == TOK_disp)
{
token += 5;
ParseTextureNameAndOption(&(material.displacement_texname),
&(material.displacement_texopt), token,
/* is_bump */ false);
continue;
}
// reflection map
//if ((0 == strncmp(token, "refl", 4)) && IS_SPACE(token[4]))
if (a_tok == TOK_refl)
{
token += 5;
ParseTextureNameAndOption(&(material.reflection_texname),
&(material.reflection_texopt), token,
/* is_bump */ false);
continue;
}
// reflection map
//if ((0 == strncmp(token, "refl", 4)) && IS_SPACE(token[4]))
if (a_tok == TOK_refl)
{
token += 5;
ParseTextureNameAndOption(&(material.reflection_texname),
&(material.reflection_texopt), token,
/* is_bump */ false);
continue;
}
// PBR: roughness texture
//if ((0 == strncmp(token, "map_Pr", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Pr)
{
token += 7;
ParseTextureNameAndOption(&(material.roughness_texname),
&(material.roughness_texopt), token,
/* is_bump */ false);
continue;
}
// PBR: roughness texture
//if ((0 == strncmp(token, "map_Pr", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Pr)
{
token += 7;
ParseTextureNameAndOption(&(material.roughness_texname),
&(material.roughness_texopt), token,
/* is_bump */ false);
continue;
}
// PBR: metallic texture
//if ((0 == strncmp(token, "map_Pm", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Pm)
{
token += 7;
ParseTextureNameAndOption(&(material.metallic_texname),
&(material.metallic_texopt), token,
/* is_bump */ false);
continue;
}
// PBR: metallic texture
//if ((0 == strncmp(token, "map_Pm", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Pm)
{
token += 7;
ParseTextureNameAndOption(&(material.metallic_texname),
&(material.metallic_texopt), token,
/* is_bump */ false);
continue;
}
// PBR: sheen texture
//if ((0 == strncmp(token, "map_Ps", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Ps)
{
token += 7;
ParseTextureNameAndOption(&(material.sheen_texname),
&(material.sheen_texopt), token,
/* is_bump */ false);
continue;
}
// PBR: sheen texture
//if ((0 == strncmp(token, "map_Ps", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Ps)
{
token += 7;
ParseTextureNameAndOption(&(material.sheen_texname),
&(material.sheen_texopt), token,
/* is_bump */ false);
continue;
}
// PBR: emissive texture
//if ((0 == strncmp(token, "map_Ke", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Ke)
{
token += 7;
ParseTextureNameAndOption(&(material.emissive_texname),
&(material.emissive_texopt), token,
/* is_bump */ false);
continue;
}
// PBR: emissive texture
//if ((0 == strncmp(token, "map_Ke", 6)) && IS_SPACE(token[6]))
if (a_tok == TOK_map_Ke)
{
token += 7;
ParseTextureNameAndOption(&(material.emissive_texname),
&(material.emissive_texopt), token,
/* is_bump */ false);
continue;
}
// PBR: normal map texture
//if ((0 == strncmp(token, "norm", 4)) && IS_SPACE(token[4]))
if (a_tok == TOK_norm)
{
token += 5;
ParseTextureNameAndOption(
&(material.normal_texname), &(material.normal_texopt), token,
/* is_bump */ false); // @fixme { is_bump will be true? }
continue;
}
// PBR: normal map texture
//if ((0 == strncmp(token, "norm", 4)) && IS_SPACE(token[4]))
if (a_tok == TOK_norm)
{
token += 5;
ParseTextureNameAndOption(
&(material.normal_texname), &(material.normal_texopt), token,
/* is_bump */ false); // @fixme { is_bump will be true? }
continue;
}
}
// unknown parameter
const char *_space = strchr(token, ' ');