bool
DotsShader::set_uniform_variables() const
{
assert(_patch);
//tone map variables
glUniform1i(_tone_tex_loc, ColorRefImage::lookup_raw_tex_unit(0));
glUniform1i(_width_loc, VIEW::peek()->width());
glUniform1i(_height_loc, VIEW::peek()->height());
if (_patch->get_use_visibility_test()) {
_patch->update_dynamic_samples(IDVisibilityTest());
} else {
_patch->update_dynamic_samples();
}
glUniform2fv(_origin_loc, 1, float2(_patch->sample_origin()));
glUniform1i (_style_loc, _style);
if (_patch->get_do_lod()) {
glUniform1f (_st_loc, float(_patch->lod_t()));
glUniform2fv(_u_vec_loc, 1, float2(_patch->lod_u()));
glUniform2fv(_v_vec_loc, 1, float2(_patch->lod_v()));
} else {
glUniform1f (_st_loc, float(0));
glUniform2fv(_u_vec_loc, 1, float2(_patch->sample_u_vec()));
glUniform2fv(_v_vec_loc, 1, float2(_patch->sample_v_vec()));
}
return true;
}
bool
Halftone_TX::set_uniform_variables() const
{
if (!_patch) return 0;
assert(_patch);
glUniform1f(_opacity_remap_loc, (1.0/mesh()->get_blend_remap_value()));
//tone map variables
send_var(_tone_tex_loc, ColorRefImage::lookup_raw_tex_unit(0));
send_var(_halo_tex_loc, HaloRefImage::lookup_raw_tex_unit());
GLint dims[2];
int w, h;
VIEW::peek_size(w,h);
dims[0] = w;
dims[1] = h;
glUniform2iv(_dims_loc, 1, dims);
if (_patch->get_use_visibility_test()) {
_patch->update_dynamic_samples(IDVisibilityTest());
} else {
_patch->update_dynamic_samples();
}
glUniform2fv(_origin_loc, 1, float2(_patch->sample_origin()));
// XXX - hack for demoing alpha transitions.
// to save instructions in the shader this is normally
// not enabled
if (enable_alpha_transitions)
send_var(_use_alpha_loc, _use_alpha_transitions);
if (_patch->get_do_lod()) {
glUniform1f (_st_loc, float(_patch->lod_t()));
glUniform1f (_timed_lod_hi, float(_patch->timed_lod_hi()));
glUniform1f (_timed_lod_lo, float(_patch->timed_lod_lo()));
glUniform2fv(_u_vec_loc, 1, float2(_patch->lod_u()));
glUniform2fv(_v_vec_loc, 1, float2(_patch->lod_v()));
} else {
glUniform1f (_st_loc, float(0));
glUniform2fv(_u_vec_loc, 1, float2(_patch->sample_u_vec()));
glUniform2fv(_v_vec_loc, 1, float2(_patch->sample_v_vec()));
}
send_layers_variables();
return true;
}
