#include "uniformreader.h" #include "uniform.h" const uniform_reader::string_to_enum uniform_reader::TYPE_NAMES[uniform_reader::TYPE_COUNT] = { { "int", bgfx::UniformType::Int1 }, { "vec4", bgfx::UniformType::Vec4 }, { "mat3", bgfx::UniformType::Mat3 }, { "mat4", bgfx::UniformType::Mat4 }, { "camera", bgfx::UniformType::Mat4 } }; bgfx_uniform* uniform_reader::read_from_value(const Value& value) { assert(value.HasMember("name")); assert(value["name"].IsString()); const char* name = value["name"].GetString(); assert(value.HasMember("type")); bgfx::UniformType::Enum type = bgfx::UniformType::Enum(get_enum_from_value(value, "type", bgfx::UniformType::Vec4, TYPE_NAMES, TYPE_COUNT)); const size_t type_size = bgfx_uniform::get_size_for_type(type); assert(value.HasMember("values")); assert(value["values"].IsArray()); const Value& value_array = value["values"]; const size_t array_size = value_array.Size() * sizeof(float); const size_t alloc_size = (type_size > array_size) ? type_size : array_size; float* data = reinterpret_cast(new char[alloc_size]); unsigned int index = 0; for (; index < type_size / 4 && index < value_array.Size(); index++) { data[index] = (float)value_array[index].GetDouble(); } for (; index < type_size / 4; index++) { data[index] = 0.0f; } bgfx_uniform* uniform = new bgfx_uniform(name, type); uniform->set((void*)data, type_size); delete [] data; return uniform; }