//Init texture with SDL surface
void GLTexture::init( SDL_Surface *img, bool mipmap)
{
_image = img;
_mipmap = mipmap;
_textureID = TextureManagerS::instance()->addTexture( this);
bind();
glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glTexParameteri( _target,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
if( mipmap)
{
#if 0
glTexParameteri(_target,GL_TEXTURE_MIN_FILTER,GL_NEAREST_MIPMAP_LINEAR);
__gluBuild2DMipmaps( _target, GL_RGBA8, _image->w, _image->h,
getGLTextureFormat(), GL_UNSIGNED_BYTE, _image->pixels);
#else
LOG_ERROR << "midmap needs work\n";
#endif
}
else
{
glTexParameteri( _target,GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D( _target, 0, GL_RGBA8, _image->w, _image->h, 0,
getGLTextureFormat(), GL_UNSIGNED_BYTE, _image->pixels);
}
}
void GLTextureCubeMap::init( void)
{
_textureID = TextureManagerS::instance()->addTexture( this);
bind();
// glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
for( int i=0; i<6; i++)
{
SDL_Surface *image = _image[i];
GLenum target = cubeMapTarget[i];
if( _mipmap)
{
#if 0
__gluBuild2DMipmaps( target, GL_RGBA8, image->w, image->h,
getGLTextureFormat(image), GL_UNSIGNED_BYTE, image->pixels);
#else
LOG_ERROR << "midmap needs work\n";
#endif
}
else
{
glTexImage2D( target, 0, GL_RGBA8, image->w, image->h, 0,
getGLTextureFormat(image), GL_UNSIGNED_BYTE, image->pixels);
}
}
if( _mipmap)
{
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
}
else
{
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
}
int mode = GL_NORMAL_MAP_ARB; //GL_REFLECTION_MAP_ARB; //GL_NORMAL_MAP_ARB
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, mode);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, mode);
glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, mode);
int wrap = GL_CLAMP; //GL_REPEAT; //GL_CLAMP;
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_S, wrap);
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_T, wrap);
}
GLTexture::GLTexture(GLStateCacher *_statecacher, model::IImage *image)
: StateCacher(_statecacher)
, Size(image->getSize())
{
glGenTextures(1, &TextureId);
StateCacher->bindTexture(TextureId);
setGLTextureState();
GLint format;
GLint interFormat;
GLint type;
getGLTextureFormat(image, format, interFormat, type);
glTexImage2D(GL_TEXTURE_2D, 0, interFormat, (GLsizei)Size.w, (GLsizei)Size.h, 0, format, type, (GLvoid *)image->getData());
}