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Diffstat (limited to 'src/gpudataviz.cc')
| -rw-r--r-- | src/gpudataviz.cc | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/src/gpudataviz.cc b/src/gpudataviz.cc deleted file mode 100644 index fbc1852..0000000 --- a/src/gpudataviz.cc +++ /dev/null @@ -1,283 +0,0 @@ -#include <iostream> - -#include "gpudataviz.h" -#include "boring_parts.h" - -//#include "gtk_includes.h" -#include "gtk_win_main.h" -#include "my_gtk_gl_scene_widget.h" - -#include <gdk/x11/gdkglx.h> // X11 specific - -// Macro to make things readable in main() function -#define EXIT_IF_FAIL(val, expr) do { \ - if ( ! (expr) ) { \ - std::cerr << "Init error " << val << std::endl; \ - exit(val); \ - } \ -} while(0) - -// For understanding the event sequences -#define CALL_TRACE do { \ - std::cout << "trace " <<__PRETTY_FUNCTION__ << std::endl; \ -} while(0) - -int main(int argc, char* argv[]) { - CALL_TRACE; - - int meshWidth=64, meshHeight=64; // TODO : those vars should not be hardcoded - - // Initialize GTK - Gtk::Main gtkKit(argc, argv); // gtk itself - Gtk::GL::init(argc, argv); // gtkglextmm - - // Query and print OpenGL version - int glVersionMajor, glVersionMinor; - EXIT_IF_FAIL(1, Gdk::GL::query_version(glVersionMajor, glVersionMinor) ); - std::cout << "OpenGL extension version - " << glVersionMajor << "." << glVersionMinor << std::endl; - - // Initialize OpenGL - Gdk::GL::ConfigMode glMode = Gdk::GL::MODE_RGB | Gdk::GL::MODE_DEPTH | Gdk::GL::MODE_DOUBLE; - Glib::RefPtr<Gdk::GL::Config> glconfig; - EXIT_IF_FAIL(2, glconfig=Gdk::GL::Config::create(glMode) ); - - // Initialize the OpenGL scene - MyGTKGLSceneWidget glScene(glconfig); - - // Instantiate the GTK app - GTKWinMain gtkwinmain(glScene); - - // Initialize OpenCL (only after the MyGTKGLSceneWidget realize) - //EXIT_IF_FAIL(3, initLibs()==0 ); // See boring_parts.cc - - gtkKit.run(gtkwinmain); - - return 0; -} - -/* MyGTKGLSceneWidget implementation - I want to keep interesting code part in this file - in natural reading order -*/ -MyGTKGLSceneWidget::MyGTKGLSceneWidget(Glib::RefPtr<Gdk::GL::Config> &glconfig) { - set_gl_capability(glconfig); - Gdk::EventMask mask = Gdk::POINTER_MOTION_MASK | Gdk::BUTTON_MOTION_MASK | Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK; - set_events(mask); // The containing window should have those attributes too - this->camera.rx = this->camera.ry = 0.0f; this->camera.tz = -3.0f; -} - -MyGTKGLSceneWidget::~MyGTKGLSceneWidget() { } - -void MyGTKGLSceneWidget::on_size_request(Gtk::Requisition* requisition) { - CALL_TRACE; // Technical stuff : GTK call this to ask the widget minimal size - *requisition = Gtk::Requisition(); - requisition->width = 320; requisition->height = 240; -} - -void MyGTKGLSceneWidget::on_realize() { - CALL_TRACE; // This one runs once at window creation time - // It's time to setup GL things that don't change on each frame - - Gtk::DrawingArea::on_realize(); - Glib::RefPtr<Gdk::GL::Window> glwindow = get_gl_window(); - - // *** OpenGL BEGIN *** - if (!glwindow->gl_begin(get_gl_context())) { - std::cerr << "Oups : glwindow->gl_begin(get_gl_context())" << std::endl; - return; - } - - // TODO : GL_ARB_vertex_buffer_object - intptr_t gl_vbo=0; - -#ifdef HAS_OPENCL - static bool isOpenCLInitialized=false; - - if (! isOpenCLInitialized) { -// #ifdef X11 - intptr_t gl_context = (intptr_t)glXGetCurrentContext(); - intptr_t gl_display = (intptr_t)glXGetCurrentDisplay(); - - std::cerr << "DEBUG : begin initOpenCL()" << std::endl; - initOpenCL(gl_display, gl_context, gl_vbo); /* See boring_parts.cc */ - isOpenCLInitialized=true; -// #else -// #error initOpenCL works only for X11 systems for now -// #endif - } -#endif - - - // Programmatically create rendering lists : opengl will able to replay that efficiently - GLUquadricObj* qobj = gluNewQuadric(); - gluQuadricDrawStyle(qobj, GLU_FILL); - glNewList(1, GL_COMPILE); - //gluSphere(qobj, 1.0, 20, 20); - gluSphere(qobj, 1.0, 5, 5); - glEndList(); - - // Setup scene envrionnement - static GLfloat light_diffuse[] = {1.0, 0.0, 0.0, 1.0}; - static GLfloat light_position[] = {1.0, 1.0, 1.0, 0.0}; - glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse); - glLightfv(GL_LIGHT0, GL_POSITION, light_position); - glEnable(GL_LIGHTING); - glEnable(GL_LIGHT0); - glEnable(GL_DEPTH_TEST); - - glClearColor(1.0, 1.0, 1.0, 1.0); - glClearDepth(1.0); - - // Projection setup is done at on_configure_event - // Camera setup (ie initial MODELVIEW matrix) is done at on_expose_event - - glwindow->gl_end(); - // *** OpenGL END *** -} - -bool MyGTKGLSceneWidget::on_configure_event(GdkEventConfigure* event) { - CALL_TRACE ; // This one runs mainly when GTK GL Widget is resized - // See boring_parts.cc. In short : gluPerspective(60.0, aspect, 0.1, 10.0); - return updateGLProjectionMatrix(get_gl_context(), get_gl_window(), get_width(), get_height()); -} - -bool MyGTKGLSceneWidget::on_expose_event(GdkEventExpose* event) { -// CALL_TRACE ; // This one runs mainly when GTK GL Widget have to be redrawn - - Glib::RefPtr<Gdk::GL::Window> glwindow = get_gl_window(); - - // *** OpenGL BEGIN *** - if (!glwindow->gl_begin(get_gl_context())) { - std::cerr << "Oups : glwindow->gl_begin(get_gl_context())" << std::endl; - return false; - } - - //Camera position update - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - glTranslatef(0.0, 0.0, this->camera.tz); - glRotatef(this->camera.rx, 1.0, 0.0, 0.0); - glRotatef(this->camera.ry, 0.0, 1.0, 0.0); - - // Drawing all the stuff - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - glCallList(1); - - - glwindow->gl_end(); - // *** OpenGL END *** - - glwindow->swap_buffers(); // Display the rendered image - - return true; -} - -bool MyGTKGLSceneWidget::on_motion_notify_event (GdkEventMotion *event) { - return do_mouse_logic(event->type, event->state, event->x, event->y); -} - -bool MyGTKGLSceneWidget::on_button_press_event(GdkEventButton *event) { - return do_mouse_logic(event->type, event->state | 1<<(7+event->button) , event->x, event->y); -} - -bool MyGTKGLSceneWidget::on_button_release_event(GdkEventButton *event) { - return do_mouse_logic(event->type, event->state, event->x, event->y); -} - -#define ALL_KEYBOARD_MODIFIERS ( GDK_SHIFT_MASK | GDK_CONTROL_MASK \ - | GDK_SUPER_MASK | GDK_HYPER_MASK | GDK_META_MASK ) - -#define MOUSE_CLIC(button, required_modifier_mask, allowed_extra_modifier_mask) if ( \ - type == GDK_BUTTON_RELEASE \ - && ( state & button ) == button \ - && ( state & required_modifier_mask ) == required_modifier_mask \ - && ( ( state & ALL_KEYBOARD_MODIFIERS ) & ~( required_modifier_mask | allowed_extra_modifier_mask ) ) == 0 \ -) -#define MOUSE_DOUBLECLIC(state_mask) if ( \ - type == GDK_BUTTON_RELEASE \ - && ( state & state_mask ) == state_mask \ - && prev_type == GDK_2BUTTON_PRESS \ -) -#define MOUSE_DRAG_START(state_mask) if ( \ - type == GDK_BUTTON_PRESS \ - && ( state & state_mask ) == state_mask \ -) -#define MOUSE_DRAGING(state_mask) if ( \ - ( type == GDK_MOTION_NOTIFY ) \ - && ( state & state_mask ) == state_mask \ -) -#define MOUSE_DRAG_END(state_mask) if ( \ - type == GDK_BUTTON_RELEASE \ - && ( state & state_mask ) == state_mask \ -) - -bool MyGTKGLSceneWidget::do_mouse_logic(GdkEventType type, guint state, guint x, guint y) { -/* - * type : the type of the event. - * Simple motion : GDK_MOTION_NOTIFY (3) - * Simple clic : GDK_BUTTON_PRESS then GDK_BUTTON_RELEASE (4 then 7) - * Double clic : GDK_BUTTON_PRESS, GDK_BUTTON_RELEASE, GDK_BUTTON_PRESS, GDK_2BUTTON_PRESS, GDK_BUTTON_RELEASE (4 7 4 5 7) - * - * stat : a bit-mask representing the state of the modifier keys and the pointer buttons. - * GDK_BUTTON1_MASK, ... , GDK_BUTTON5_MASK (mouse buttons) - * GDK_SHIFT_MASK, GDK_LOCK_MASK, GDK_CONTROL_MASK (keyboard standard modifier keys) - * GDK_MOD1_MASK, ... (normally MOD1 it is the Alt key) - * GDK_SUPER_MASK, GDK_HYPER_MASK, GDK_META_MASK (extra keybord modifier keys) - */ - // Static variables to hold previous mouse button event - static GdkEventType prev_type = GDK_NOTHING; - /*static guint prev_state=0; UNUSED FOR NOW */ - static guint drag_x=0, drag_y=0; - - bool redraw=false; // Setting it to true will queue a redraw to the widget (invalidate) - -// std::cout << "event type " << type << " state " << state << " on (" << x << "," << y << ") " << std::endl; - - /* *** BEGIN event filtering *** */ - MOUSE_DRAG_START(GDK_BUTTON2_MASK) { - drag_x=x; drag_y=y; - } - - MOUSE_DRAGING(GDK_BUTTON2_MASK) { - float mouse_sensivity = 0.2f; - gint dx = drag_x - x; // Delta movement (since last event) - gint dy = drag_y - y; // Not unsigned ! - // Yes dy for camera.rx, and -= operator - // GTK mouse coords and Opengl are not on the same coords system - this->camera.rx -= mouse_sensivity * dy; - this->camera.ry -= mouse_sensivity * dx; - drag_x = x; drag_y = y; - redraw=true; - } - - MOUSE_CLIC(GDK_BUTTON1_MASK, 0, 0) { - //TODO - } - - - // Demo filters - MOUSE_CLIC(GDK_BUTTON1_MASK, GDK_SHIFT_MASK, GDK_CONTROL_MASK) { - std::cout << "Mouse 1 clic with shift or control-shift" << std::endl; - } - - MOUSE_DOUBLECLIC(GDK_BUTTON3_MASK) { - std::cout << "Mouse 1 double clic" << std::endl; - } - /* *** END event filtering *** */ - - - // Previous button event retention for double-clic filtering - switch(type) { - case GDK_BUTTON_PRESS: - case GDK_BUTTON_RELEASE: - case GDK_2BUTTON_PRESS: - prev_type=type; -// prev_state=state; - break; - default: - break; - } - - if ( redraw ) queue_draw(); - return true; -} |