+ if (current_color_space != output_format.color_space) {
+ ColorSpaceConversionEffect *colorspace_conversion = new ColorSpaceConversionEffect();
+ colorspace_conversion->set_int("source_space", current_color_space);
+ colorspace_conversion->set_int("destination_space", output_format.color_space);
+ effects.push_back(colorspace_conversion);
+ current_color_space = output_format.color_space;
+ }
+
+ if (current_gamma_curve != output_format.gamma_curve) {
+ if (current_gamma_curve != GAMMA_LINEAR) {
+ normalize_to_linear_gamma();
+ }
+ assert(current_gamma_curve == GAMMA_LINEAR);
+ GammaCompressionEffect *gamma_conversion = new GammaCompressionEffect();
+ gamma_conversion->set_int("destination_curve", output_format.gamma_curve);
+ effects.push_back(gamma_conversion);
+ current_gamma_curve = output_format.gamma_curve;
+ }
+
+ std::string vert_shader = read_file("header.vert");
+ for (unsigned i = 0; i < effects.size(); ++i) {
+ char effect_id[256];
+ sprintf(effect_id, "eff%d", i);
+
+ vert_shader += "\n";
+ vert_shader += std::string("#define FUNCNAME ") + effect_id + "\n";
+ vert_shader += replace_prefix(effects[i]->output_convenience_uniforms(), effect_id);
+ vert_shader += replace_prefix(effects[i]->output_vertex_shader(), effect_id);
+ vert_shader += "#undef PREFIX\n";
+ vert_shader += "#undef FUNCNAME\n";
+ vert_shader += "#undef LAST_INPUT\n";
+ vert_shader += std::string("#define LAST_INPUT ") + effect_id + "\n";
+ vert_shader += "\n";
+ }
+ vert_shader.append(read_file("footer.vert"));
+ printf("%s\n", vert_shader.c_str());