| 1 | // Copyright (C) 2014-2015 ChaosForge Ltd
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| 2 | // http://chaosforge.org/
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| 3 | //
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| 4 | // This file is part of Nova libraries.
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| 5 | // For conditions of distribution and use, see copying.txt file in root folder.
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| 6 |
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| 7 | #include "nv/sdl/sdl_window.hh"
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| 8 |
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| 9 | #include "nv/core/logging.hh"
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| 10 | #include "nv/lib/gl.hh"
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| 11 | #include "nv/lib/sdl.hh"
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| 12 | #include "nv/sdl/sdl_input.hh"
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| 13 | #include "nv/gl/gl_context.hh"
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| 14 |
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| 15 | using namespace nv;
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| 16 |
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| 17 | sdl::window::window( device* dev, uint16 width, uint16 height, bool fullscreen )
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| 18 | : m_device( dev ), m_width( width ), m_height( height ), m_title("Nova Engine"), m_handle( nullptr )
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| 19 | {
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| 20 | m_input = new sdl::input();
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| 21 | // bpp = m_info->vfmt->BitsPerPixel;
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| 22 |
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| 23 | SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 8 );
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| 24 | SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 8 );
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| 25 | SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 8 );
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| 26 | SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 24 );
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| 27 | SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
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| 28 |
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| 29 | // SDL_GL_SetAttribute( SDL_GL_MULTISAMPLEBUFFERS, 1 );
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| 30 | // SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, 4 );
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| 31 |
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| 32 | SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
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| 33 | SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
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| 34 | SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
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| 35 |
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| 36 | uint32 flags = SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN;
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| 37 | if (fullscreen) flags |= SDL_WINDOW_FULLSCREEN;
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| 38 | m_title.assign( "Nova Engine" );
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| 39 | m_handle = SDL_CreateWindow( m_title.data(), SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
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| 40 | width, height, flags );
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| 41 | if ( m_handle == 0 )
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| 42 | {
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| 43 | NV_LOG_CRITICAL( "Video mode set failed: ", SDL_GetError( ) );
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| 44 | return; // TODO: Error report
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| 45 | }
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| 46 |
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| 47 | // NV_LOG_INFO( "Joystick count : ", SDL_NumJoysticks() );
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| 48 | // SDL_Joystick* j = SDL_JoystickOpen(0);
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| 49 | // if ( j )
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| 50 | // {
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| 51 | // NV_LOG_INFO( "Joystick Name: ", SDL_JoystickNameForIndex( 0 ) );
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| 52 | // NV_LOG_INFO( "Joystick Number of Axes: ", SDL_JoystickNumAxes( j ) );
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| 53 | // NV_LOG_INFO( "Joystick Number of Buttons: ", SDL_JoystickNumButtons( j ) );
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| 54 | // NV_LOG_INFO( "Joystick Number of Balls: ", SDL_JoystickNumBalls( j ) );
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| 55 | // }
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| 56 |
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| 57 | NV_LOG_INFO( "Joystick count : ", SDL_NumJoysticks() );
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| 58 | SDL_GameController *controller = NULL;
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| 59 | int controller_index = 0;
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| 60 | for ( int i = 0; i < SDL_NumJoysticks(); ++i )
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| 61 | {
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| 62 | if ( SDL_IsGameController( i ) )
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| 63 | {
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| 64 | controller = SDL_GameControllerOpen( i );
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| 65 | controller_index = i;
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| 66 | if ( controller ) break;
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| 67 | NV_LOG_ERROR( "Could not open gamecontroller ", i, ": ", SDL_GetError() );
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| 68 | }
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| 69 | }
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| 70 |
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| 71 | if ( controller )
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| 72 | {
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| 73 | SDL_Joystick* j = SDL_GameControllerGetJoystick( controller );
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| 74 | NV_LOG_INFO( "Controller Name: ", SDL_GameControllerNameForIndex( controller_index ) );
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| 75 | NV_LOG_INFO( "Controller Number of Axes: ", SDL_JoystickNumAxes( j ) );
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| 76 | NV_LOG_INFO( "Controller Number of Buttons: ", SDL_JoystickNumButtons( j ) );
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| 77 | NV_LOG_INFO( "Controller Number of Balls: ", SDL_JoystickNumBalls( j ) );
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| 78 | }
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| 79 |
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| 80 |
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| 81 |
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| 82 | void* ctx_handle = SDL_GL_CreateContext( static_cast<SDL_Window*>( m_handle ) );
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| 83 |
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| 84 | if ( ctx_handle == 0 )
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| 85 | {
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| 86 | NV_LOG_CRITICAL( "GL Context creation failed: ", SDL_GetError( ) );
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| 87 | return; // TODO: Error report
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| 88 | }
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| 89 |
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| 90 | nv::load_gl_library();
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| 91 | NV_LOG_INFO( "OpenGL Vendor : ", reinterpret_cast<const char*>( glGetString(GL_VENDOR) ) );
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| 92 | NV_LOG_INFO( "OpenGL Renderer : ", reinterpret_cast<const char*>( glGetString( GL_RENDERER ) ) );
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| 93 | NV_LOG_INFO( "OpenGL Version : ", reinterpret_cast<const char*>( glGetString( GL_VERSION ) ) );
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| 94 | NV_LOG_INFO( "OpenGL GLSL Version : ", reinterpret_cast<const char*>( glGetString( GL_SHADING_LANGUAGE_VERSION ) ) );
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| 95 | SDL_GL_SetSwapInterval(1);
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| 96 |
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| 97 | // TODO: do we really need this?
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| 98 | glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
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| 99 |
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| 100 | m_context = new gl_context( m_device, ctx_handle );
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| 101 | m_context->set_viewport( nv::ivec4( 0, 0, m_width, m_height ) );
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| 102 | }
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| 103 |
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| 104 | void sdl::window::set_title( const string_view& title )
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| 105 | {
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| 106 | SDL_SetWindowTitle( static_cast<SDL_Window*>( m_handle ), title.data() );
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| 107 | m_title.assign( title );
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| 108 | }
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| 109 |
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| 110 | void sdl::window::swap_buffers()
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| 111 | {
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| 112 | SDL_GL_SwapWindow( static_cast<SDL_Window*>( m_handle ) );
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| 113 | }
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| 114 |
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| 115 | sdl::window::~window()
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| 116 | {
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| 117 | delete m_input;
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| 118 | if ( m_context )
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| 119 | {
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| 120 | SDL_GLContext native = static_cast<SDL_GLContext>( m_context->get_native_handle() );
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| 121 | delete m_context;
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| 122 | SDL_GL_DeleteContext( native );
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| 123 | }
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| 124 | m_context = nullptr;
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| 125 | SDL_DestroyWindow( static_cast<SDL_Window*>( m_handle ) );
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| 126 | }
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| 127 |
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| 128 | void nv::sdl::window::set_swap_control( bool enabled )
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| 129 | {
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| 130 | SDL_GL_SetSwapInterval( enabled ? 1 : 0 );
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| 131 | }
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