/* * Copyright 2011-2017 Branimir Karadzic. All rights reserved. * License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause */ #include #include "common.h" #include "bgfx_utils.h" #include "logo.h" #include "imgui/imgui.h" namespace { class ExampleHelloWorld : public entry::AppI { public: ExampleHelloWorld(const char* _name, const char* _description) : entry::AppI(_name, _description) { } void init(int32_t _argc, const char* const* _argv, uint32_t _width, uint32_t _height) override { Args args(_argc, _argv); m_width = _width; m_height = _height; m_debug = BGFX_DEBUG_TEXT; m_reset = BGFX_RESET_VSYNC; bgfx::init(args.m_type, args.m_pciId); bgfx::reset(m_width, m_height, m_reset); // Enable debug text. bgfx::setDebug(m_debug); // Set view 0 clear state. bgfx::setViewClear(0 , BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH , 0x303030ff , 1.0f , 0 ); imguiCreate(); } virtual int shutdown() override { imguiDestroy(); // Shutdown bgfx. bgfx::shutdown(); return 0; } bool update() override { if (!entry::processEvents(m_width, m_height, m_debug, m_reset, &m_mouseState) ) { imguiBeginFrame(m_mouseState.m_mx , m_mouseState.m_my , (m_mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0) | (m_mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0) | (m_mouseState.m_buttons[entry::MouseButton::Middle] ? IMGUI_MBUT_MIDDLE : 0) , m_mouseState.m_mz , uint16_t(m_width) , uint16_t(m_height) ); showExampleDialog(this); imguiEndFrame(); // Set view 0 default viewport. bgfx::setViewRect(0, 0, 0, uint16_t(m_width), uint16_t(m_height) ); // This dummy draw call is here to make sure that view 0 is cleared // if no other draw calls are submitted to view 0. bgfx::touch(0); // Use debug font to print information about this example. bgfx::dbgTextClear(); bgfx::dbgTextImage( bx::uint16_max(uint16_t(m_width /2/8 ), 20)-20 , bx::uint16_max(uint16_t(m_height/2/16), 6)-6 , 40 , 12 , s_logo , 160 ); bgfx::dbgTextPrintf(0, 1, 0x0f, "Color can be changed with ANSI \x1b[9;me\x1b[10;ms\x1b[11;mc\x1b[12;ma\x1b[13;mp\x1b[14;me\x1b[0m code too."); const bgfx::Stats* stats = bgfx::getStats(); bgfx::dbgTextPrintf(0, 2, 0x0f, "Backbuffer %dW x %dH in pixels, debug text %dW x %dH in characters." , stats->width , stats->height , stats->textWidth , stats->textHeight ); // Advance to next frame. Rendering thread will be kicked to // process submitted rendering primitives. bgfx::frame(); return true; } return false; } entry::MouseState m_mouseState; uint32_t m_width; uint32_t m_height; uint32_t m_debug; uint32_t m_reset; }; } // namespace ENTRY_IMPLEMENT_MAIN(ExampleHelloWorld, "00-helloworld", "Initialization and debug text.");