| 1 | // Copyright (C) 2014 ChaosForge Ltd
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| 2 | // This file is part of Nova Libraries.
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| 3 | // For conditions of distribution and use, see copyright notice in nv.hh
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| 4 |
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| 5 | #include "nv/sdl/sdl_window.hh"
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| 6 |
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| 7 | #include "nv/core/logging.hh"
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| 8 | #include "nv/lib/gl.hh"
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| 9 | #include "nv/lib/sdl.hh"
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| 10 | #include "nv/sdl/sdl_input.hh"
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| 11 |
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| 12 | using namespace nv;
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| 13 |
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| 14 | sdl::window::window( device* dev, uint16 width, uint16 height, bool fullscreen )
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| 15 | : m_device( dev ), m_width( width ), m_height( height ), m_title("Nova Engine"), m_handle( nullptr )
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| 16 | {
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| 17 | m_input = new sdl::input();
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| 18 | // bpp = m_info->vfmt->BitsPerPixel;
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| 19 |
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| 20 | SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 8 );
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| 21 | SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 8 );
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| 22 | SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 8 );
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| 23 | SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 24 );
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| 24 | SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
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| 25 |
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| 26 | // SDL_GL_SetAttribute( SDL_GL_MULTISAMPLEBUFFERS, 1 );
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| 27 | // SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, 4 );
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| 28 |
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| 29 | SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
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| 30 | SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
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| 31 | SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
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| 32 |
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| 33 | uint32 flags = SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN;
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| 34 | if (fullscreen) flags |= SDL_WINDOW_FULLSCREEN;
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| 35 | m_title = "Nova Engine";
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| 36 | m_handle = SDL_CreateWindow( m_title.c_str(), SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
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| 37 | width, height, flags );
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| 38 | if ( m_handle == 0 )
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| 39 | {
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| 40 | NV_LOG( LOG_CRITICAL, "Video mode set failed: " << SDL_GetError( ) );
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| 41 | return; // TODO: Error report
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| 42 | }
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| 43 |
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| 44 | // NV_LOG( LOG_INFO, "Joystick count : " << SDL_NumJoysticks() );
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| 45 | // SDL_Joystick* j = SDL_JoystickOpen(0);
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| 46 | // if (j)
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| 47 | // {
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| 48 | // NV_LOG( LOG_INFO, "Joystick Name: " << SDL_JoystickNameForIndex(0) );
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| 49 | // NV_LOG( LOG_INFO, "Joystick Number of Axes: " << SDL_JoystickNumAxes(j));
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| 50 | // NV_LOG( LOG_INFO, "Joystick Number of Buttons: " << SDL_JoystickNumButtons(j));
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| 51 | // NV_LOG( LOG_INFO, "Joystick Number of Balls: " << SDL_JoystickNumBalls(j));
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| 52 | // }
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| 53 |
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| 54 | void* ctx_handle = SDL_GL_CreateContext( static_cast<SDL_Window*>( m_handle ) );
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| 55 |
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| 56 | if ( ctx_handle == 0 )
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| 57 | {
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| 58 | NV_LOG( LOG_CRITICAL, "GL Context creation failed: " << SDL_GetError( ) );
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| 59 | return; // TODO: Error report
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| 60 | }
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| 61 |
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| 62 | nv::load_gl_library();
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| 63 | NV_LOG( LOG_INFO, "OpenGL Vendor : " << glGetString(GL_VENDOR) );
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| 64 | NV_LOG( LOG_INFO, "OpenGL Renderer : " << glGetString(GL_RENDERER) );
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| 65 | NV_LOG( LOG_INFO, "OpenGL Version : " << glGetString(GL_VERSION) );
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| 66 | NV_LOG( LOG_INFO, "OpenGL GLSL Version : " << glGetString(GL_SHADING_LANGUAGE_VERSION) );
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| 67 | //SDL_GL_SetSwapInterval(0);
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| 68 |
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| 69 | // TODO: do we really need this?
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| 70 | glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
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| 71 |
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| 72 | m_context = new gl_context( m_device, ctx_handle );
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| 73 | m_context->set_viewport( nv::ivec4( 0, 0, m_width, m_height ) );
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| 74 | }
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| 75 |
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| 76 | void sdl::window::set_title( const string& title )
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| 77 | {
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| 78 | SDL_SetWindowTitle( static_cast<SDL_Window*>( m_handle ), title.c_str() );
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| 79 | m_title = title;
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| 80 | }
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| 81 |
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| 82 | void sdl::window::swap_buffers()
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| 83 | {
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| 84 | SDL_GL_SwapWindow( static_cast<SDL_Window*>( m_handle ) );
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| 85 | }
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| 86 |
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| 87 | sdl::window::~window()
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| 88 | {
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| 89 | delete m_input;
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| 90 | if ( m_context )
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| 91 | {
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| 92 | SDL_GLContext native = static_cast<SDL_GLContext>( m_context->get_native_handle() );
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| 93 | delete m_context;
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| 94 | SDL_GL_DeleteContext( native );
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| 95 | }
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| 96 | m_context = nullptr;
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| 97 | SDL_DestroyWindow( static_cast<SDL_Window*>( m_handle ) );
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| 98 | }
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