// license:BSD-3-Clause // copyright-holders:Ryan Holtz //============================================================ // // entryuniformreader.cpp - BGFX chain entry uniform reader // //============================================================ #include "entryuniformreader.h" #include "entryuniform.h" #include "effect.h" #include "slideruniformreader.h" #include "valueuniformreader.h" #include "paramuniformreader.h" #include "uniform.h" bgfx_entry_uniform* entry_uniform_reader::read_from_value(const Value& value, const std::string &prefix, bgfx_effect* effect, std::map& sliders, std::map& params) { if (!validate_parameters(value, prefix)) { return nullptr; } std::string name = value["uniform"].GetString(); bgfx_uniform* uniform = effect->uniform(name); if (!READER_CHECK(uniform != nullptr, "%sUniform '%s' does not appear to exist\n", prefix, name)) { return nullptr; } if (value.HasMember("slider")) { return slider_uniform_reader::read_from_value(value, prefix, uniform, sliders); } else if (value.HasMember("value")) { return value_uniform_reader::read_from_value(value, prefix, uniform); } else if (value.HasMember("parameter")) { return param_uniform_reader::read_from_value(value, prefix, uniform, params); } else { READER_CHECK(false, "%sUnrecognized uniform type for uniform binding %s", prefix, name); } return nullptr; } bool entry_uniform_reader::validate_parameters(const Value& value, const std::string &prefix) { if (!READER_CHECK(value.HasMember("uniform"), "%sMust have string value 'uniform' (what uniform are we mapping?)\n", prefix)) return false; if (!READER_CHECK(value["uniform"].IsString(), "%sValue 'effect' must be a string\n", prefix)) return false; return true; }