/**
* Update the OpenGL texture parameters. You must bind the texture before
* calling.
*/
void glUpdateParamsOfBoundTexture()
{
glTexParameteri(texTarget, GL_TEXTURE_WRAP_S, glWrap(wrap.x));
glTexParameteri(texTarget, GL_TEXTURE_WRAP_T, glWrap(wrap.y));
glTexParameteri(texTarget, GL_TEXTURE_MAG_FILTER, magFilter == Nearest? GL_NEAREST : GL_LINEAR);
glTexParameteri(texTarget, GL_TEXTURE_MIN_FILTER, glMinFilter(minFilter, mipFilter));
glTexParameterf(texTarget, GL_TEXTURE_MAX_LEVEL, maxLevel);
if(GLInfo::extensions().EXT_texture_filter_anisotropic)
{
glTexParameterf(texTarget, GL_TEXTURE_MAX_ANISOTROPY_EXT, maxAnisotropy);
}
LIBGUI_ASSERT_GL_OK();
flags &= ~ParamsChanged;
}
void glTexParameterf (GLenum target, GLenum pname, GLfloat param)
{
if (!GLImpl.tmus[GLImpl.current_tmu].boundtexture) return;
if (!GLImpl.tmus[GLImpl.current_tmu].boundtexture->teximg ) return;
if (target != GL_TEXTURE_2D) return;
GLImpl.tmus[GLImpl.current_tmu].texparamdirty = TRUE;
switch (pname)
{
#if 0
case GL_TEXTURE_MIN_FILTER:
case GL_TEXTURE_MAG_FILTER:
if(pname == GL_TEXTURE_MIN_FILTER) {
GLImpl.tmus[GLImpl.current_tmu].boundtexture->min_filter = getFilteringParam((int) param);
GLImpl.tmus[GLImpl.current_tmu].boundtexture->min_filter = getFilteringParam((int) param);
} else {
GLImpl.tmus[GLImpl.current_tmu].boundtexture->mag_filter = getFilteringParam((int) param);
}
break;
#else
if ((int) param == GL_NEAREST_MIPMAP_NEAREST)
{
GLImpl.tmus[GLImpl.current_tmu].boundtexture->min_filter = D3DTEXF_POINT;
GLImpl.tmus[GLImpl.current_tmu].boundtexture->mip_filter = D3DTEXF_POINT;
}
else if ((int) param == GL_LINEAR_MIPMAP_NEAREST)
{
GLImpl.tmus[GLImpl.current_tmu].boundtexture->min_filter = D3DTEXF_LINEAR;
GLImpl.tmus[GLImpl.current_tmu].boundtexture->mip_filter = D3DTEXF_POINT;
}
else if ((int) param == GL_NEAREST_MIPMAP_LINEAR)
{
GLImpl.tmus[GLImpl.current_tmu].boundtexture->min_filter = D3DTEXF_POINT;
GLImpl.tmus[GLImpl.current_tmu].boundtexture->mip_filter = D3DTEXF_LINEAR;
}
else if ((int) param == GL_LINEAR_MIPMAP_LINEAR)
{
GLImpl.tmus[GLImpl.current_tmu].boundtexture->min_filter = D3DTEXF_LINEAR;
GLImpl.tmus[GLImpl.current_tmu].boundtexture->mip_filter = D3DTEXF_LINEAR;
}
else if ((int) param == GL_LINEAR)
{
GLImpl.tmus[GLImpl.current_tmu].boundtexture->min_filter = D3DTEXF_LINEAR;
GLImpl.tmus[GLImpl.current_tmu].boundtexture->mip_filter = D3DTEXF_NONE;
}
else
{
// GL_NEAREST
GLImpl.tmus[GLImpl.current_tmu].boundtexture->min_filter = D3DTEXF_POINT;
GLImpl.tmus[GLImpl.current_tmu].boundtexture->mip_filter = D3DTEXF_NONE;
}
break;
case GL_TEXTURE_MAG_FILTER:
if ((int) param == GL_LINEAR)
GLImpl.tmus[GLImpl.current_tmu].boundtexture->mag_filter = D3DTEXF_LINEAR;
else GLImpl.tmus[GLImpl.current_tmu].boundtexture->mag_filter = D3DTEXF_POINT;
break;
#endif
case GL_TEXTURE_WRAP_S:
GLImpl.tmus[GLImpl.current_tmu].boundtexture->wrap_u = glWrap((int) param);
break;
case GL_TEXTURE_WRAP_T:
GLImpl.tmus[GLImpl.current_tmu].boundtexture->wrap_v = glWrap((int) param);
break;
default:
break;
}
}