void loadTexture(const char *path, int format) {
png_texture *tex;
GLint internal;
int maxSize;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxSize);
tex = loadTextureData(path);
if(tex->channels == 3)
internal = GL_RGB;
else
internal = GL_RGBA;
if(format == GL_DONT_CARE)
{
if(tex->channels == 3) format = GL_RGB;
if(tex->channels == 4) format = GL_RGBA;
}
/* TODO: build mipmaps the proper way, box filters suck */
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
{
png_texture *newtex;
int level = 0;
while (tex->width > 1 || tex->height > 1)
{
if(tex->width <= maxSize && tex->height <= maxSize)
{
glTexImage2D(GL_TEXTURE_2D, level, format,
tex->width, tex->height,
0, internal, GL_UNSIGNED_BYTE, tex->data);
#ifdef PRINTF_VERBOSE
printf("uploading level %d, %dx%d texture\n",
level, tex->width, tex->height);
#endif
level++;
}
newtex = mipmap_png_texture(tex, 1, 0, 0);
freeTextureData(tex);
tex = newtex;
}
/* upload 1x1 mip level */
glTexImage2D(GL_TEXTURE_2D, level, format,
tex->width, tex->height,
0, internal, GL_UNSIGNED_BYTE, tex->data);
#ifdef PRINTF_VERBOSE
printf("uploading level %d, %dx%d texture\n",
level, tex->width, tex->height);
#endif
freeTextureData(tex);
}
}
/*
==================
Release at destruction time
==================
*/
void IND_Surface::release() {
freeTextureData();
}
