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git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@856 e016b1c5-ed68-44aa-a2f7-31cac88cffde
This commit is contained in:
Lee Salzman
2007-03-23 18:01:55 +00:00
parent db7f46e614
commit 490f09c503
3 changed files with 39 additions and 35 deletions
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source/src/rendergl.cpp
+36 -33
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@@ -71,9 +71,30 @@ void cleangl()
{
};
VAR(warnqual, 0, 0, 1);
void createtexture(int tnum, int w, int h, void *pixels, int clamp, GLenum format)
{
glBindTexture(GL_TEXTURE_2D, tnum);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, clamp&1 ? GL_CLAMP_TO_EDGE : GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, clamp&2 ? GL_CLAMP_TO_EDGE : GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
int tw = w, th = h;
if(maxtexsize) while(tw>maxtexsize || th>maxtexsize) { tw /= 2; th /= 2; };
if(tw!=w)
{
if(gluScaleImage(format, w, h, GL_UNSIGNED_BYTE, pixels, tw, th, GL_UNSIGNED_BYTE, pixels))
{
tw = w;
th = h;
};
};
if(gluBuild2DMipmaps(GL_TEXTURE_2D, format, tw, th, format, GL_UNSIGNED_BYTE, pixels)) fatal("could not build mipmaps");
};
GLuint installtex(const char *texname, int &xs, int &ys, bool clamp)
GLuint loadsurface(const char *texname, int &xs, int &ys, int clamp)
{
SDL_Surface *s = IMG_Load(texname);
if(!s) { conoutf("couldn't load texture %s", texname); return 0; };
@@ -83,29 +104,11 @@ GLuint installtex(const char *texname, int &xs, int &ys, bool clamp)
conoutf("texture must be 24bpp or 32bpp: %s", texname);
return 0;
};
// loopi(s->w*s->h*3) { uchar *p = (uchar *)s->pixels+i; *p = 255-*p; };
GLuint tnum;
glGenTextures(1, &tnum);
glBindTexture(GL_TEXTURE_2D, tnum);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, clamp ? GL_CLAMP_TO_EDGE : GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, clamp ? GL_CLAMP_TO_EDGE : GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
int w = (xs = s->w), h = (ys = s->h);
if(maxtexsize) while(w>maxtexsize || h>maxtexsize) { w /= 2; h /= 2; };
int mode = s->format->BitsPerPixel==24 ? GL_RGB : GL_RGBA;
if(w!=s->w)
{
if(warnqual) conoutf("warning: quality loss: scaling %s", texname); // for voodoo cards under linux
if(gluScaleImage(mode, s->w, s->h, GL_UNSIGNED_BYTE, s->pixels, w, h, GL_UNSIGNED_BYTE, s->pixels))
{
w = s->w;
h = s->h;
};
};
if(gluBuild2DMipmaps(GL_TEXTURE_2D, mode, w, h, mode, GL_UNSIGNED_BYTE, s->pixels)) fatal("could not build mipmaps");
createtexture(tnum, s->w, s->h, s->pixels, clamp, s->format->BitsPerPixel==24 ? GL_RGB : GL_RGBA);
xs = s->w;
ys = s->h;
SDL_FreeSurface(s);
return tnum;
};
@@ -114,7 +117,7 @@ GLuint installtex(const char *texname, int &xs, int &ys, bool 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, bool clamp)
Texture *textureload(const char *name, int clamp)
{
string pname;
s_strcpy(pname, name);
@@ -122,7 +125,7 @@ Texture *textureload(const char *name, bool clamp)
Texture *t = textures.access(pname);
if(t) return t;
int xs, ys;
GLuint id = installtex(pname, xs, ys, clamp);
GLuint id = loadsurface(pname, xs, ys, clamp);
if(!id) return crosshair;
char *key = newstring(pname);
t = &textures[key];
@@ -299,11 +302,11 @@ void transplayer()
{
glLoadIdentity();
glRotated(camera1->roll,0.0,0.0,1.0);
glRotated(camera1->pitch,-1.0,0.0,0.0);
glRotated(camera1->yaw,0.0,1.0,0.0);
glRotatef(camera1->roll, 0, 0, 1);
glRotatef(camera1->pitch, -1, 0, 0);
glRotatef(camera1->yaw, 0, 1, 0);
glTranslated(-camera1->o.x, -camera1->o.z, -camera1->o.y);
glTranslatef(-camera1->o.x, -camera1->o.z, -camera1->o.y);
};
VARP(fov, 90, 100, 120);
@@ -394,10 +397,10 @@ void gl_drawframe(int w, int h, float changelod, float curfps)
renderstripssky();
glLoadIdentity();
glRotated(camera1->pitch, -1.0, 0.0, 0.0);
glRotated(camera1->yaw, 0.0, 1.0, 0.0);
glRotated(90.0, 1.0, 0.0, 0.0);
glColor3f(1.0f, 1.0f, 1.0f);
glRotatef(camera1->pitch, -1, 0, 0);
glRotatef(camera1->yaw, 0, 1, 0);
glRotatef(90, 1, 0, 0);
glColor3f(1, 1, 1);
glDisable(GL_FOG);
glDepthFunc(GL_GREATER);
draw_envbox(fog*4/3);