// license:BSD-3-Clause // copyright-holders:Ryan Holtz //============================================================ // // chainentryreader.cpp - BGFX chain entry JSON reader // //============================================================ #include #include "emu.h" #include "chainentryreader.h" #include "texturemanager.h" #include "targetmanager.h" #include "effectmanager.h" #include "chainentry.h" #include "inputpair.h" bgfx_chain_entry* chain_entry_reader::read_from_value(const Value& value, texture_manager& textures, target_manager& targets, effect_manager& effects) { validate_parameters(value); bgfx_effect* effect = effects.effect(value["effect"].GetString()); std::vector inputs; if (value.HasMember("input")) { const Value& input_array = value["input"]; for (UINT32 i = 0; i < input_array.Size(); i++) { std::string sampler = input_array[i]["sampler"].GetString(); std::string texture = input_array[i]["texture"].GetString(); inputs.push_back(bgfx_input_pair(i, sampler, textures.texture(texture))); } } bgfx_target* output = targets.target(value["output"].GetString()); return new bgfx_chain_entry(value["name"].GetString(), effect, inputs, output); } void chain_entry_reader::validate_parameters(const Value& value) { assert(value.HasMember("effect")); assert(value["effect"].IsString()); if (value.HasMember("name")) { assert(value["name"].IsString()); } assert(value.HasMember("shader")); assert(value["shader"].IsString()); assert(value.HasMember("output")); assert(value["output"].IsString()); }