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added texreduce var

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git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@4028 e016b1c5-ed68-44aa-a2f7-31cac88cffde
This commit is contained in:
Lee Salzman
2008-12-16 13:45:03 +00:00
parent 7fe543397e
commit 287f6ae331
5 changed files with 26 additions and 17 deletions
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source/src/texture.cpp
+17 -9
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@@ -67,6 +67,7 @@ hashtable<char *, Texture> textures;
VAR(hwtexsize, 1, 0, 0);
VARFP(maxtexsize, 0, 0, 1<<12, initwarning("texture quality", INIT_LOAD));
VARFP(texreduce, 0, 0, 3, initwarning("texture quality", INIT_LOAD));
VARFP(trilinear, 0, 1, 1, initwarning("texture filtering", INIT_LOAD));
VARFP(bilinear, 0, 1, 1, initwarning("texture filtering", INIT_LOAD));
@@ -83,10 +84,15 @@ int formatsize(GLenum format)
}
}
void resizetexture(int w, int h, bool mipmap, GLenum target, int &tw, int &th)
void resizetexture(int w, int h, bool mipmap, bool canreduce, GLenum target, int &tw, int &th)
{
int hwlimit = hwtexsize,
sizelimit = mipmap && maxtexsize ? min(maxtexsize, hwlimit) : hwlimit;
if(canreduce) loopi(texreduce)
{
if(w > 1) w /= 2;
if(h > 1) h /= 2;
}
w = min(w, sizelimit);
h = min(h, sizelimit);
if(mipmap || w&(w-1) || h&(h-1))
@@ -127,7 +133,7 @@ void uploadtexture(GLenum target, GLenum internal, int tw, int th, GLenum format
if(buf) delete[] buf;
}
void createtexture(int tnum, int w, int h, void *pixels, int clamp, bool mipmap, GLenum format)
void createtexture(int tnum, int w, int h, void *pixels, int clamp, bool mipmap, bool canreduce, GLenum format)
{
glBindTexture(GL_TEXTURE_2D, tnum);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
@@ -142,7 +148,7 @@ void createtexture(int tnum, int w, int h, void *pixels, int clamp, bool mipmap,
(bilinear ? GL_LINEAR : GL_NEAREST));
int tw = w, th = h;
if(pixels) resizetexture(w, h, mipmap, GL_TEXTURE_2D, tw, th);
if(pixels) resizetexture(w, h, mipmap, canreduce, GL_TEXTURE_2D, tw, th);
uploadtexture(GL_TEXTURE_2D, format, tw, th, format, GL_UNSIGNED_BYTE, pixels, w, h, mipmap);
}
@@ -173,7 +179,7 @@ SDL_Surface *texdecal(SDL_Surface *s)
return m;
}
GLuint loadsurface(const char *texname, int &xs, int &ys, int &bpp, int clamp)
GLuint loadsurface(const char *texname, int &xs, int &ys, int &bpp, int clamp = 0, bool mipmap = true, bool canreduce = false)
{
const char *file = texname;
if(texname[0]=='<')
@@ -208,7 +214,7 @@ GLuint loadsurface(const char *texname, int &xs, int &ys, int &bpp, int clamp)
GLuint tnum;
glGenTextures(1, &tnum);
createtexture(tnum, s->w, s->h, s->pixels, clamp, true, format);
createtexture(tnum, s->w, s->h, s->pixels, clamp, mipmap, canreduce, format);
xs = s->w;
ys = s->h;
bpp = s->format->BitsPerPixel;
@@ -220,7 +226,7 @@ GLuint loadsurface(const char *texname, int &xs, int &ys, int &bpp, int clamp)
// each texture slot can have multople texture frames, of which currently only the first is used
// additional frames can be used for various shaders
Texture *textureload(const char *name, int clamp)
Texture *textureload(const char *name, int clamp, bool mipmap, bool canreduce)
{
string pname;
s_strcpy(pname, name);
@@ -228,7 +234,7 @@ Texture *textureload(const char *name, int clamp)
Texture *t = textures.access(pname);
if(t) return t;
int xs, ys, bpp;
GLuint id = loadsurface(pname, xs, ys, bpp, clamp);
GLuint id = loadsurface(pname, xs, ys, bpp, clamp, mipmap, canreduce);
if(!id) return notexture;
char *key = newstring(pname);
t = &textures[key];
@@ -237,6 +243,8 @@ Texture *textureload(const char *name, int clamp)
t->ys = ys;
t->bpp = bpp;
t->clamp = clamp;
t->mipmap = mipmap;
t->canreduce = canreduce;
t->id = id;
return t;
}
@@ -273,7 +281,7 @@ Texture *lookuptexture(int tex, Texture *failtex)
if(!s.loaded)
{
s_sprintfd(pname)("packages/textures/%s", s.name);
s.tex = textureload(pname);
s.tex = textureload(pname, 0, true, true);
if(s.tex==notexture) s.tex = failtex;
s.loaded = true;
}
@@ -293,7 +301,7 @@ bool reloadtexture(Texture &t)
{
if(t.id) return true;
int xs = 1, ys = 1, bpp = 0;
t.id = loadsurface(t.name, xs, ys, bpp, t.clamp);
t.id = loadsurface(t.name, xs, ys, bpp, t.clamp, t.mipmap, t.canreduce);
t.xs = xs;
t.ys = ys;
t.bpp = bpp;