+Tag RenderPass::get_texture_tag(const string &slot) const
+{
+ vector<TextureSlot>::const_iterator i = find_member(textures, slot, &TextureSlot::slot_name);
+ return (i!=textures.end() ? i->tag : Tag());
+}
+
+void RenderPass::set_texture(unsigned index, const Texture *tex, const Sampler *samp)
+{
+ if(!shprog)
+ throw invalid_operation("RenderPass::set_texture");
+
+ const vector<Program::UniformInfo> &uniforms = shprog->get_uniforms();
+ for(vector<Program::UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
+ if(is_image(i->type) && i->binding==static_cast<int>(index))
+ return set_texture(i->tag, tex, samp);
+
+ if(shdata)
+ {
+ const vector<Tag> &tags = shdata->get_uniform_tags();
+ for(vector<Tag>::const_iterator i=tags.begin(); i!=tags.end(); ++i)
+ {
+ vector<Program::UniformInfo>::const_iterator j = find_member(uniforms, *i, &Program::UniformInfo::tag);
+ if(j==uniforms.end() || !is_image(j->type))
+ continue;
+ if(const Uniform1i *uni1i = dynamic_cast<const Uniform1i *>(shdata->find_uniform(*i)))
+ if(uni1i->get()==static_cast<int>(index))
+ return set_texture(*i, tex, samp);
+ }
+ }