void Init( void ) {
rdState.valid = true;
RegisterCvars();
CreateDisplay();
glewExperimental = GL_TRUE;
GLenum error = glewInit();
if ( error != GLEW_OK ) {
throw( XSError( String::Format( "Failed to initialise GLEW: %s\n",
glewGetErrorString( error ) ).c_str() ) );
}
#ifdef RENDERER_DEBUG_OUTPUT
if ( GLEW_ARB_debug_output ) {
glEnable( GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB );
glDebugMessageCallbackARB( OnGLError, nullptr );
}
#endif
Backend::Init();
//FIXME: make these TextureManager/ShaderManager?
Texture::Init();
ShaderProgram::Init();
#ifdef FBO_COMPOSITE
// create composite shader
static const VertexAttribute attributes[] = {
{ 0, "in_Position" },
{ 1, "in_TexCoord" },
{ 2, "in_Colour" },
};
if ( !compositeShader ) {
compositeShader = new ShaderProgram( "composite", "composite", attributes, ARRAY_LEN( attributes ) );
}
#endif
Font::Init();
RenderCommand::Init();
glViewport( 0, 0, rdState.window.width, rdState.window.height );
}
// instance functions
Framebuffer::Framebuffer()
: id( 0 ), depthTexture( nullptr ), stencilTexture( 0u )
{
glGenFramebuffers( 1, &id );
if ( Check() ) {
if ( r_debug->GetBool() ) {
console.Print( PrintLevel::Normal, "Creation of framebuffer %d completed successfully.\n", id );
}
}
if ( !id ) {
throw( XSError( "Failed to create framebuffer" ) );
}
for ( int i = 0; i < MAX_FBO_COLOR_TEXTURES; i++ ) {
colourTextures[i] = nullptr;
}
}
static void Cmd_Quit( const CommandContext &context ) {
// generic shutdown
throw( XSError() );
}
static void AssertView( void ) {
if ( !currentView ) {
throw( XSError( "Attempted to issue render command without binding a view" ) );
}
}
void Poll( void ) {
SDL_Event e;
while ( SDL_PollEvent( &e ) ) {
switch ( e.type ) {
case SDL_QUIT: {
throw( XSError( "Quit application" ) );
} break;
case SDL_WINDOWEVENT: {
static const char *funcName = XS_FUNCTION_VERBOSE;
switch ( e.window.event ) {
case SDL_WINDOWEVENT_SHOWN: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Window %d shown\n",
funcName,
e.window.windowID
);
}
} break;
case SDL_WINDOWEVENT_HIDDEN: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Window %d hidden\n",
funcName,
e.window.windowID
);
}
} break;
case SDL_WINDOWEVENT_EXPOSED: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Window %d exposed\n",
funcName,
e.window.windowID
);
}
} break;
case SDL_WINDOWEVENT_MOVED: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Window %d moved to %d,%d\n",
funcName,
e.window.windowID,
e.window.data1,
e.window.data2
);
}
} break;
case SDL_WINDOWEVENT_RESIZED: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Window %d resized to %dx%d\n",
funcName,
e.window.windowID,
e.window.data1,
e.window.data2
);
}
} break;
case SDL_WINDOWEVENT_MINIMIZED: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Window %d minimized\n",
funcName,
e.window.windowID
);
}
} break;
case SDL_WINDOWEVENT_MAXIMIZED: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Window %d maximized\n",
funcName,
e.window.windowID
);
}
} break;
case SDL_WINDOWEVENT_RESTORED: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Window %d restored\n",
funcName,
e.window.windowID
);
}
} break;
case SDL_WINDOWEVENT_ENTER: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Mouse entered window %d\n",
funcName,
e.window.windowID
);
}
} break;
case SDL_WINDOWEVENT_LEAVE: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Mouse left window %d\n",
funcName,
e.window.windowID
);
}
} break;
case SDL_WINDOWEVENT_FOCUS_GAINED: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Window %d gained keyboard focus\n",
funcName,
e.window.windowID
);
}
} break;
case SDL_WINDOWEVENT_FOCUS_LOST: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Window %d lost keyboard focus\n",
funcName,
e.window.windowID
);
}
} break;
case SDL_WINDOWEVENT_CLOSE: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Window %d closed\n",
funcName,
e.window.windowID
);
}
} break;
default: {
if ( debug_input->GetBool() ) {
console.Print( PrintLevel::Normal, "%s: Window %d got unknown event %d\n",
funcName,
e.window.windowID,
e.window.event
);
}
} break;
}
} break;
// ignoring these for now...
case SDL_FINGERUP:
case SDL_FINGERDOWN:
case SDL_TEXTINPUT: {
// ...
} break;
case SDL_FINGERMOTION: {
/*
const real32_t relativeMotion[2] = { e.tfinger.dx, e.tfinger.dy };
const real32_t absolutePosition[2] = { e.tfinger.x, e.tfinger.y };
console.Print( PrintLevel::Normal,
"Touch motion: d( %.3f,%.3f ) - a( %.3f,%.3f )\n",
relativeMotion[0], relativeMotion[1],
absolutePosition[0], absolutePosition[1]
);
*/
} break;
case SDL_MOUSEMOTION: {
const int32_t relativeMotion[2] = { e.motion.xrel, e.motion.yrel };
//const int32_t absolutePosition[2] = { e.motion.x, e.motion.y };
/*
console.Print( PrintLevel::Normal,
"Mouse motion: d( %i,%i ) - a( %i,%i )\n",
relativeMotion[0], relativeMotion[1],
absolutePosition[0], absolutePosition[1]
);
*/
XSEvent ev( EventType::MouseMotion );
ev.mouseMotion.x = relativeMotion[0];
ev.mouseMotion.y = relativeMotion[1];
Event::Queue( &ev );
} break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP: {
XSEvent ev( EventType::MouseButton );
ev.mouseButton.button = e.button.button;
ev.mouseButton.pressed = (e.button.state == SDL_PRESSED) ? true : false;
//ev.mouseButton.position[0] = e.button.x;
//ev.mouseButton.position[1] = e.button.y;
Event::Queue( &ev );
} break;
case SDL_MOUSEWHEEL: {
XSEvent ev( EventType::MouseWheel );
ev.mouseWheel.up = (e.wheel.y > 0);
ev.mouseWheel.amount = std::abs( e.wheel.y );
Event::Queue( &ev );
} break;
case SDL_MULTIGESTURE: {
#if 0
XSEvent ev( EventType::MouseWheel );
//FIXME: translate gesture events into actual mouse wheel events
ev.mouseWheel.up = true;
ev.mouseWheel.amount = 1u;
Event::Queue( &ev );
#endif
} break;
case SDL_KEYDOWN:
case SDL_KEYUP: {
SDL_Keycode key = e.key.keysym.sym;
bool pressed = (e.key.state == SDL_PRESSED);
//FIXME: is this really where the keystate should be set? or should it be set when the list
// is pumped
keystate[key] = pressed;
XSEvent ev( EventType::Keyboard );
ev.keyboard.key = key;
ev.keyboard.down = pressed;
Event::Queue( &ev );
} break;
default: {
console.Print( PrintLevel::Developer, "Unhandled SDL event %d\n",
e.type
);
} break;
}
}
}