// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
quit = false;
CL_OpenGLWindowDescription desc;
desc.set_title("ClanLib Geometry Shader Example");
desc.set_size(CL_Size(900, 700), true);
desc.set_multisampling(0);
desc.set_allow_resize(false);
desc.set_depth_size(16);
desc.set_version(3, 2, false);
CL_DisplayWindow window(desc);
// Connect the Window close event
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
// Connect a keyboard handler to on_key_up()
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
// Get the graphic context
CL_GraphicContext gc = window.get_gc();
// Setup graphic store
GraphicStore graphic_store(gc);
scene.gs = &graphic_store;
// Prepare the display
gc.set_map_mode(cl_user_projection);
CL_PolygonRasterizer polygon_rasterizer;
polygon_rasterizer.set_culled(false);
polygon_rasterizer.set_face_cull_mode(cl_cull_back);
polygon_rasterizer.set_front_face(cl_face_side_clockwise);
gc.set_polygon_rasterizer(polygon_rasterizer);
create_scene(gc);
camera_angle = 0.0f;
CL_Font font(gc, "tahoma", 24);
FramerateCounter framerate_counter;
unsigned int time_last = CL_System::get_time();
// Run until someone presses escape
while (!quit)
{
framerate_counter.frame_shown();
unsigned int time_now = CL_System::get_time();
time_delta = time_now - time_last;
time_last = time_now;
control_camera();
calculate_matricies(gc);
gc.set_polygon_rasterizer(polygon_rasterizer);
gc.clear_depth(1.0f);
// ** If enabling below, change the graphic from alpha_ball2.png to alpha_ball.png in graphic_store.cpp
//render_depth_buffer(gc); // Render to depth buffer first, to fake sorting the particles
render(gc); // Render scene
gc.set_modelview(CL_Mat4f::identity());
gc.set_map_mode(cl_map_2d_upper_left);
CL_String fps(cl_format("fps = %1", framerate_counter.get_framerate()));
font.draw_text(gc, 16-2, gc.get_height()-16-2, fps, CL_Colorf(0.0f, 0.0f, 0.0f, 1.0f));
font.draw_text(gc, 16, gc.get_height()-16-2, fps, CL_Colorf(1.0f, 1.0f, 1.0f, 1.0f));
CL_String info(cl_format("Drawing %1 particles", ParticleObject::num_points));
font.draw_text(gc, 16, 30, info);
// Use flip(1) to lock the fps
window.flip(0);
// This call processes user input and other events
CL_KeepAlive::process();
}
return 0;
}
// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
quit = false;
CL_OpenGLWindowDescription desc;
desc.set_title("ClanLib Light Surface Example");
desc.set_size(CL_Size(900, 700), true);
desc.set_multisampling(4);
desc.set_allow_resize(true);
desc.set_depth_size(16);
CL_DisplayWindow window(desc);
// Connect the Window close event
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
// Connect a keyboard handler to on_key_up()
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
// Set up GUI
CL_String theme;
if (CL_FileHelp::file_exists("../../../Resources/GUIThemeAero/theme.css"))
theme = "../../../Resources/GUIThemeAero";
else if (CL_FileHelp::file_exists("../../../Resources/GUIThemeBasic/theme.css"))
theme = "../../../Resources/GUIThemeBasic";
else
throw CL_Exception("No themes found");
CL_GUIWindowManagerTexture wm(window);
CL_GUIManager gui(wm, theme);
// Get the graphic context
CL_GraphicContext gc = window.get_gc();
// Deleted automatically by the GUI
Options *options = new Options(gui, CL_Rect(8, 8, CL_Size(340, 600)));
options->request_repaint();
// Setup graphic store
GraphicStore graphic_store(gc);
scene.gs = &graphic_store;
// Prepare the display
gc.set_map_mode(cl_user_projection);
CL_PolygonRasterizer polygon_rasterizer;
polygon_rasterizer.set_culled(true);
polygon_rasterizer.set_face_cull_mode(cl_cull_back);
polygon_rasterizer.set_front_face(cl_face_side_clockwise);
gc.set_polygon_rasterizer(polygon_rasterizer);
create_scene(gc);
CL_Font font(gc, "tahoma", 24);
graphic_store.image_grid = CL_Image(gc, "../../Display_Render/Blend/Resources/grid.png");
FramerateCounter framerate_counter;
unsigned int time_last = CL_System::get_time();
// Run until someone presses escape
while (!quit)
{
framerate_counter.frame_shown();
unsigned int time_now = CL_System::get_time();
time_delta = time_now - time_last;
time_last = time_now;
// Copy direction options
light_distant->rotation_y = options->light_direction_heading;
light_distant->rotation_x = options->light_direction_pitch;
// Set material options
float shininess = options->material_shininess;
// Convert shininess from a percentage, using Lightwave 3d's method
shininess = shininess / 100.0f;
shininess = pow(2, (10.0f * shininess) + 2);
teapot->model.SetMaterial(
shininess, // material_shininess
CL_Vec4f(options->material_emission_color.r, options->material_emission_color.g, options->material_emission_color.b, options->material_emission_color.a), // material_emission
CL_Vec4f(options->material_ambient_color.r, options->material_ambient_color.g, options->material_ambient_color.b, options->material_ambient_color.a), // material_ambient
CL_Vec4f(options->material_specular_color.r, options->material_specular_color.g, options->material_specular_color.b, options->material_specular_color.a) //material_specular
);
rotate_teapot();
calculate_matricies(gc);
update_light(gc, options);
polygon_rasterizer.set_culled(true);
gc.set_polygon_rasterizer(polygon_rasterizer);
render(gc);
gc.set_modelview(CL_Mat4f::identity());
gc.set_map_mode(cl_map_2d_upper_left);
polygon_rasterizer.set_culled(false);
gc.set_polygon_rasterizer(polygon_rasterizer);
CL_String fps(cl_format("%1 fps", framerate_counter.get_framerate()));
font.draw_text(gc, 16-2, gc.get_height()-16-2, fps, CL_Colorf(0.0f, 0.0f, 0.0f, 1.0f));
font.draw_text(gc, 16, gc.get_height()-16-2, fps, CL_Colorf(1.0f, 1.0f, 1.0f, 1.0f));
wm.process();
wm.draw_windows(gc);
// Use flip(1) to lock the fps
window.flip(0);
// This call processes user input and other events
CL_KeepAlive::process();
}
return 0;
}
int App::start(const std::vector<CL_String> &args)
{
CL_OpenGLWindowDescription description;
description.set_title("NightVision Shader");
description.set_size(CL_Size(1024, 768), true);
CL_DisplayWindow window(description);
CL_InputDevice keyboard = window.get_ic().get_keyboard();
CL_GraphicContext gc = window.get_gc();
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
CL_Slot slot_window_close = window.sig_window_close().connect(this, &App::window_close);
// Create offscreen texture
CL_Texture texture_offscreen(gc, gc.get_width(), gc.get_height());
texture_offscreen.set_min_filter(cl_filter_nearest);
texture_offscreen.set_mag_filter(cl_filter_nearest);
CL_Texture texture_mask(gc, gc.get_width(), gc.get_height());
texture_mask.set_min_filter(cl_filter_nearest);
texture_mask.set_mag_filter(cl_filter_nearest);
// Create offscreen framebuffer
CL_FrameBuffer framebuffer_offscreen(gc);
framebuffer_offscreen.attach_color_buffer(0, texture_offscreen);
CL_FrameBuffer framebuffer_mask(gc);
framebuffer_mask.attach_color_buffer(0, texture_mask);
CL_Image background(gc, "../PostProcessing/Resources/background.png");
CL_Image ball(gc, "../PostProcessing/Resources/ball.png");
ball.set_alignment(origin_center);
CL_Texture noise_texture(gc, "Resources/noise_texture_0001.png");
noise_texture.set_wrap_mode(cl_wrap_repeat, cl_wrap_repeat);
// Load and link shaders
CL_ProgramObject shader = CL_ProgramObject::load(gc, "Resources/vertex_shader.glsl", "Resources/fragment_shader.glsl");
shader.bind_attribute_location(0, "Position");
shader.bind_attribute_location(2, "TexCoord0");
if (!shader.link())
throw CL_Exception("Unable to link shader program: Error:" + shader.get_info_log());
quit = false;
float amount = 0.0f;
float timer = 0.0f;
float scale = 1.0f;
CL_Font font(gc, "tahoma", 32);
// Shader based on: http://www.geeks3d.com/20091009/shader-library-night-vision-post-processing-filter-glsl/
elapsedTime = 0.0f; // seconds
luminanceThreshold = 0.2f;
colorAmplification = 4.0f;
effectCoverage = 0.65f;
// Render the mask
gc.set_frame_buffer(framebuffer_mask);
gc.clear();
for (float offset=0.0f; offset<=1.0f; offset+=0.01f)
{
CL_Draw::circle(gc, gc.get_width() / 2.0f, gc.get_height() / 2.0f, 400.0f - offset * 64.0f, CL_Colorf(offset, offset, offset, 1.0f));
}
gc.reset_frame_buffer();
unsigned int startTime = CL_System::get_time();
while (!quit)
{
timer = (CL_System::get_time() - startTime) / 1000.0f;
elapsedTime = timer;
// Render standard image to offscreen buffer
gc.set_frame_buffer(framebuffer_offscreen);
background.draw(gc, 0, 0);
ball.draw(gc, gc.get_width() / 2 + 200 * sinf(timer / 2.0f), gc.get_height() / 2 + 200 * cosf(timer / 2.0f));
gc.reset_frame_buffer();
render_night_vision(gc, texture_offscreen, texture_mask, noise_texture, shader);
const int gap = 32;
font.draw_text(gc, 10, 64+gap*0, CL_String("luminanceThreshold : " + CL_StringHelp::float_to_text(luminanceThreshold) + " (Press Q,W)" ));
font.draw_text(gc, 10, 64+gap*1, CL_String("colorAmplification : " + CL_StringHelp::float_to_text(colorAmplification) + " (Press A,S)" ));
font.draw_text(gc, 10, 64+gap*2, CL_String("effectCoverage : " + CL_StringHelp::float_to_text(effectCoverage) + " (Press Z,X)" ));
window.flip();
CL_System::sleep(10);
CL_KeepAlive::process();
}
return 0;
}
// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
quit = false;
try
{
CL_OpenGLWindowDescription desc;
desc.set_title("ClanLib AnimCursor Test");
desc.set_size(CL_Size(800, 600), true);
CL_DisplayWindow window(desc);
// Connect the Window close event
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
// Connect a keyboard handler to on_key_up()
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
// Get the graphic context
CL_GraphicContext gc = window.get_gc();
CL_Font font = CL_Font(gc, "Tahoma", 20);
CL_PixelBuffer pacman("pacman.png");
CL_SpriteDescription description;
CL_Size size(22, 22);
for (int frame_cnt=0; frame_cnt < 6; frame_cnt++)
{
CL_PixelBuffer frame(size.width, size.height, cl_rgba8);
pacman.convert(frame, size, CL_Rect((frame_cnt * 28) + 4, 4, size));
description.add_frame(frame);
description.set_frame_delay(frame_cnt, 0.1);
}
CL_Point hotspot(0,0);
CL_Cursor cursor(window, description, hotspot);
window.set_cursor(cursor);
// Run until someone presses escape
while (!quit)
{
gc.clear(CL_Colorf(0.0f,0.0f,0.5f));
font.draw_text(gc, 32, 32, "Observe the animated cursor");
// Flip the display, showing on the screen what we have drawed
// since last call to flip()
window.flip(1);
// This call processes user input and other events
CL_KeepAlive::process();
}
}
catch(CL_Exception& exception)
{
// Create a console window for text-output if not available
CL_ConsoleWindow console("Console", 80, 200);
CL_Console::write_line("Exception caught:");
CL_Console::write_line(exception.message);
// Display the stack trace (if available)
std::vector<CL_String> stacktrace = exception.get_stack_trace();
int size = stacktrace.size();
if (size > 0)
{
CL_Console::write_line("Stack Trace:");
for (int cnt=0; cnt < size; cnt++)
{
CL_Console::write_line(stacktrace[cnt]);
}
}
console.display_close_message();
return -1;
}
return 0;
}
int App::start(const std::vector<CL_String> &args)
{
CL_OpenGLWindowDescription description;
description.set_title("Guassian Blur Shader");
description.set_size(CL_Size(1024, 768), true);
CL_DisplayWindow window(description);
CL_InputDevice keyboard = window.get_ic().get_keyboard();
CL_GraphicContext gc = window.get_gc();
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
CL_Slot slot_window_close = window.sig_window_close().connect(this, &App::window_close);
// Create offscreen texture
CL_Texture texture_offscreen(gc, gc.get_width(), gc.get_height());
texture_offscreen.set_min_filter(cl_filter_nearest);
texture_offscreen.set_mag_filter(cl_filter_nearest);
CL_Texture texture_offscreen2(gc, gc.get_width(), gc.get_height());
texture_offscreen2.set_min_filter(cl_filter_nearest);
texture_offscreen2.set_mag_filter(cl_filter_nearest);
// Create offscreen framebuffer
CL_FrameBuffer framebuffer_offscreen(gc);
framebuffer_offscreen.attach_color_buffer(0, texture_offscreen);
CL_FrameBuffer framebuffer_offscreen2(gc);
framebuffer_offscreen2.attach_color_buffer(0, texture_offscreen2);
CL_Image background(gc, "../PostProcessing/Resources/background.png");
CL_Image ball(gc, "../PostProcessing/Resources/ball.png");
ball.set_alignment(origin_center);
// Load and link shaders
CL_ProgramObject shader = CL_ProgramObject::load(gc, "Resources/vertex_shader.glsl", "Resources/fragment_shader.glsl");
shader.bind_attribute_location(0, "Position");
shader.bind_attribute_location(2, "TexCoord0");
if (!shader.link())
throw CL_Exception("Unable to link shader program: Error:" + shader.get_info_log());
quit = false;
float amount = 0.0f;
float timer = 0.0f;
float scale = 1.0f;
CL_Font font(gc, "tahoma", 32);
blur = 1.0f;
unsigned int startTime = CL_System::get_time();
while (!quit)
{
timer = (CL_System::get_time() - startTime) / 1000.0f;
// Render standard image to offscreen buffer
gc.set_frame_buffer(framebuffer_offscreen);
background.draw(gc, 0, 0);
ball.draw(gc, gc.get_width() / 2 + 200 * sinf(timer / 2.0f), gc.get_height() / 2 + 200 * cosf(timer / 2.0f));
gc.reset_frame_buffer();
gc.set_frame_buffer(framebuffer_offscreen2);
render_gaussian_blur(gc, blur, texture_offscreen, shader, 1.0f / texture_offscreen2.get_width(), 0.0f);
gc.reset_frame_buffer();
render_gaussian_blur(gc, blur, texture_offscreen2, shader, 0.0f, 1.0f / texture_offscreen2.get_height());
CL_String text( "Press 1 to 9 to control blur amount. Currently it is :" + CL_StringHelp::float_to_text(blur) );
font.draw_text(gc, 10, 64, text);
window.flip();
CL_System::sleep(10);
CL_KeepAlive::process();
}
return 0;
}
int App::start(const std::vector<CL_String> &args)
{
CL_OpenGLWindowDescription description;
description.set_title("GLSL Test");
description.set_size(CL_Size(1024, 768), true);
CL_DisplayWindow window(description);
CL_InputDevice keyboard = window.get_ic().get_keyboard();
CL_GraphicContext gc = window.get_gc();
CL_Slot slot_window_close = window.sig_window_close().connect(this, &App::window_close);
// Load and link shaders
CL_ProgramObject shader = CL_ProgramObject::load(gc, "Resources/vertex_shader.glsl", "Resources/fragment_shader.glsl");
shader.bind_attribute_location(0, "Position");
if (!shader.link())
throw CL_Exception("Unable to link shader program: Error:" + shader.get_info_log());
quit = false;
while (!keyboard.get_keycode(CL_KEY_ESCAPE) && !quit )
{
gc.clear();
gc.set_program_object(shader, cl_program_matrix_modelview_projection);
//shader.set_uniform1i("SourceTexture", 0);
int xpos = 0;
int size = 16;
int gap = size + 2;
//-------- Test 1
CL_Mat2f matrix2_a = CL_Mat2f(3, 1, 2, 4);
CL_Mat2f matrix2_b = CL_Mat2f(-3, 7, 2, 5);
CL_Mat2f matrix2_result = CL_Mat2f::multiply(matrix2_a, matrix2_b);
CL_Mat2f matrix2_a_temp = matrix2_a;
if (CL_Mat2i(matrix2_result) != CL_Mat2i(matrix2_a * matrix2_b))
throw CL_Exception("Failure");
shader.set_uniform1i("test_id", 1);
shader.set_uniform_matrix("matrix2_a", matrix2_a);
shader.set_uniform_matrix("matrix2_b", matrix2_b);
shader.set_uniform_matrix("matrix2_result", matrix2_result);
draw(gc, CL_Rect(xpos, 0, CL_Size(size, size)));
xpos+=gap;
//-------- Test 2
CL_Mat3f matrix3_a = CL_Mat3f(3, 1, 2, 4, 5 ,6, 4, 2, 1);
CL_Mat3f matrix3_b = CL_Mat3f(4, 7, 2, 5, 3, 5, 2, 9, 3);
CL_Mat3f matrix3_result = CL_Mat3f::multiply(matrix3_a, matrix3_b);
CL_Mat3f matrix3_a_temp = matrix3_a;
if (CL_Mat3i(matrix3_result) != CL_Mat3i(matrix3_a * matrix3_b))
throw CL_Exception("Failure");
shader.set_uniform1i("test_id", 2);
shader.set_uniform_matrix("matrix3_a", matrix3_a);
shader.set_uniform_matrix("matrix3_b", matrix3_b);
shader.set_uniform_matrix("matrix3_result", matrix3_result);
draw(gc, CL_Rect(xpos, 0, CL_Size(size, size)));
xpos+=gap;
//-------- Test 3
static float test_a_values[] = {3, 1, 2, 4, 5 ,6, 4, 2, 1, 4, 6, 7, 6, 3, 7, 2};
static float test_b_values[] = {4, 7, 2, 5, 3, 5, 2, 9, 3, 3, 6, 9, 2, 4, 6, 2};
CL_Mat4f matrix4_a = CL_Mat4f(test_a_values);
CL_Mat4f matrix4_b = CL_Mat4f(test_b_values);
CL_Mat4f matrix4_result = CL_Mat4f::multiply(matrix4_a, matrix4_b);
CL_Mat4f matrix4_a_temp = matrix4_a;
if (CL_Mat4i(matrix4_result) != CL_Mat4i(matrix4_a * matrix4_b))
throw CL_Exception("Failure");
shader.set_uniform1i("test_id", 3);
shader.set_uniform_matrix("matrix4_a", matrix4_a);
shader.set_uniform_matrix("matrix4_b", matrix4_b);
shader.set_uniform_matrix("matrix4_result", matrix4_result);
draw(gc, CL_Rect(xpos, 0, CL_Size(size, size)));
xpos+=gap;
//-------- Test 4
matrix2_result = CL_Mat2f::subtract(matrix2_a, matrix2_b);
matrix2_a_temp = matrix2_a;
if (CL_Mat2i(matrix2_result) != CL_Mat2i(matrix2_a - matrix2_b))
throw CL_Exception("Failure");
shader.set_uniform1i("test_id", 4);
shader.set_uniform_matrix("matrix2_a", matrix2_a);
shader.set_uniform_matrix("matrix2_b", matrix2_b);
shader.set_uniform_matrix("matrix2_result", matrix2_result);
draw(gc, CL_Rect(xpos, 0, CL_Size(size, size)));
xpos+=gap;
//-------- Test 5
matrix3_result = CL_Mat3f::subtract(matrix3_a, matrix3_b);
matrix3_a_temp = matrix3_a;
if (CL_Mat3i(matrix3_result) != CL_Mat3i(matrix3_a - matrix3_b))
throw CL_Exception("Failure");
shader.set_uniform1i("test_id", 5);
shader.set_uniform_matrix("matrix3_a", matrix3_a);
shader.set_uniform_matrix("matrix3_b", matrix3_b);
shader.set_uniform_matrix("matrix3_result", matrix3_result);
draw(gc, CL_Rect(xpos, 0, CL_Size(size, size)));
xpos+=gap;
//-------- Test 6
matrix4_result = CL_Mat4f::subtract(matrix4_a, matrix4_b);
matrix4_a_temp = matrix4_a;
if (CL_Mat4i(matrix4_result) != CL_Mat4i(matrix4_a - matrix4_b))
throw CL_Exception("Failure");
shader.set_uniform1i("test_id", 6);
shader.set_uniform_matrix("matrix4_a", matrix4_a);
shader.set_uniform_matrix("matrix4_b", matrix4_b);
shader.set_uniform_matrix("matrix4_result", matrix4_result);
draw(gc, CL_Rect(xpos, 0, CL_Size(size, size)));
xpos+=gap;
//-------- Test 7
CL_Vec2f vector2_a(2,3);
CL_Vec2f vector2_result = vector2_a * matrix2_a;
shader.set_uniform1i("test_id", 7);
shader.set_uniform_matrix("matrix2_a", matrix2_a);
shader.set_uniform2f("vector2_a", vector2_a);
shader.set_uniform2f("vector2_result", vector2_result);
draw(gc, CL_Rect(xpos, 0, CL_Size(size, size)));
xpos+=gap;
//-------- Test 8
vector2_result = matrix2_a * vector2_a;
shader.set_uniform1i("test_id", 8);
shader.set_uniform_matrix("matrix2_a", matrix2_a);
shader.set_uniform2f("vector2_a", vector2_a);
shader.set_uniform2f("vector2_result", vector2_result);
draw(gc, CL_Rect(xpos, 0, CL_Size(size, size)));
xpos+=gap;
//-------- Test 9
CL_Vec3f vector3_a(3,5,6);
CL_Vec3f vector3_result = vector3_a * matrix3_a;
shader.set_uniform1i("test_id", 9);
shader.set_uniform_matrix("matrix3_a", matrix3_a);
shader.set_uniform3f("vector3_a", vector3_a);
shader.set_uniform3f("vector3_result", vector3_result);
draw(gc, CL_Rect(xpos, 0, CL_Size(size, size)));
xpos+=gap;
//-------- Test 10
vector3_result = matrix3_a * vector3_a;
shader.set_uniform1i("test_id", 10);
shader.set_uniform_matrix("matrix3_a", matrix3_a);
shader.set_uniform3f("vector3_a", vector3_a);
shader.set_uniform3f("vector3_result", vector3_result);
draw(gc, CL_Rect(xpos, 0, CL_Size(size, size)));
xpos+=gap;
//-------- Test 11
CL_Vec4f vector4_a(4,3,5,6);
CL_Vec4f vector4_result = vector4_a * matrix4_a;
shader.set_uniform1i("test_id", 11);
shader.set_uniform_matrix("matrix4_a", matrix4_a);
shader.set_uniform4f("vector4_a", vector4_a);
shader.set_uniform4f("vector4_result", vector4_result);
draw(gc, CL_Rect(xpos, 0, CL_Size(size, size)));
xpos+=gap;
//-------- Test 12
vector4_result = matrix4_a * vector4_a;
shader.set_uniform1i("test_id", 12);
shader.set_uniform_matrix("matrix4_a", matrix4_a);
shader.set_uniform4f("vector4_a", vector4_a);
shader.set_uniform4f("vector4_result", vector4_result);
draw(gc, CL_Rect(xpos, 0, CL_Size(size, size)));
xpos+=gap;
gc.reset_program_object();
window.flip();
CL_System::sleep(10);
CL_KeepAlive::process();
}
return 0;
}
void mainloop() {
CL_OpenGLWindowDescription desc;
desc.set_size( CL_Size( 1024, 768 ), true );
CL_DisplayWindow wnd(desc);
CL_GraphicContext gc = wnd.get_gc();
glMatrixMode(GL_PROJECTION); //hello
// gluPerspective(45, //view angle
// 1.0, //aspect ratio
// 10.0, //near clip
// 200.0);//far clip
GLfloat matrix[16];
glhPerspectivef2(matrix, 45, 1.0, 10.0, 200.0 );
glLoadMatrixf( matrix );
glMatrixMode(GL_MODELVIEW);
cube c;
float rotateBy;
CL_Font font(gc, "Helvetica", 24);
GUI gui(&wnd);
while( true ) {
rotateBy += 1;
glEnable(GL_CULL_FACE);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(0,0,-50);
glRotatef(rotateBy,1,1,0);
glBegin(GL_QUADS);
c.redraw();
glEnd();
glPopMatrix();
glDisable( GL_CULL_FACE );
CL_Draw::line(gc, 0, 0, 100, 100, CL_Colorf( 1.0f ,1.0f ,1.0f ));
font.draw_text( gc, 100, 100, "bla bla bla", CL_Colorf( 1.0f, 1.0f, 1.0f ));
gui.run(&wnd);
wnd.flip();
CL_System::sleep( 10 );
CL_KeepAlive::process();
}
}
ortho() :
pump_factor_(4)
{
// glVertexPointer(4, GL_FLOAT, 0, ptr);
//glEnableClientState( GL_VERTEX_ARRAY );
// glColorPointer(
//std::ifstream is( "cryistal-castle-hidden-ramp.txt" );
// std::ifstream is( "house1.txt" );
//std::ifstream is( "cryistal-castle-tree-wave.txt" );
// assert( is.good() );
// height_fields_ = crystal_bits::load_crystal(is, pump_factor_);
// std::cout << "hf: " << height_fields_.size() << "\n";
//
//
//
// scene_static_.init_solid(height_fields_);
//
// scene_static_.init_solid_from_crystal(is, pump_factor_);
// scene_static_.init_planes();
// uint64_t scene_hash = scene_static_.hash();
//
// try {
// std::ifstream is( "ff.bin" );
//
//
// light_static_ = light_static( is, scene_hash );
// } catch( std::runtime_error x ) {
//
// std::cerr << "load failed. recreating. error:\n" << x.what() << std::endl;
//
// light_static_ = setup_formfactors(scene_static_.planes(), scene_static_.solid());
// }
//
// if( !false ) {
// std::ofstream os( "ff.bin" );
// light_static_.write(os, scene_hash);
// }
//
//
// light_dynamic_ = light_dynamic(scene_static_.planes().size() );
CL_OpenGLWindowDescription desc;
desc.set_size( CL_Size( 1024, 768 ), true );
desc.set_depth_size(16);
//std::cout << "depth: " << desc.get_depth_size();
wnd_ = CL_DisplayWindow(desc);
CL_GraphicContext_GL gc = wnd_.get_gc();
// //CL_Mat4f proj = CL_Mat4f::ortho( 0, 1024, 0, 768, 100, -100 );
gc.set_active();
#ifdef TEST_OPENCL
try {
init_opencl();
} catch( cl::Error x ) {
// std::array<void*, 256> bt;
// //void *bt[256];
//
// size_t size = backtrace( bt.data(), bt.size() );
// char **strings = backtrace_symbols( bt.data(), size );
// std::cout << "backtrace: " << size << "\n";
// for( size_t i = 0; i < size; ++i ) {
// std::cout << i << " " << strings[i] << "\n";
// }
// free( strings );
std::cerr << "opencl initialization failed\ncall: " << x.what() << "\nerror code: " << cl_str_error( x.err() ) << "\n";
throw;
}
#endif
// throw 0;
glMatrixMode(GL_PROJECTION); //hello
CL_Mat4f proj = CL_Mat4f::perspective( 60, 1.5, 2, 200 );
// CL_Mat4f proj = CL_Mat4f::ortho( -20.0 * pump_factor_, 20.0 * pump_factor_, -15.0 * pump_factor_, 15.0 * pump_factor_, 0, 200 );
//CL_Mat4f proj = CL_Mat4f::ortho( -40, 40, -30, 30, 0, 200 );
glLoadMatrixf( proj.matrix );
//CL_Texture tex(gc, 64, 64 );
struct texel {
GLubyte col[3];
GLubyte alpha;
texel() {
col[0] = 128;
col[1] = 128;
col[2] = 128;
alpha = 255;
}
};
std::array<texel,64 * 64> tex_data;
glLightModelf(GL_LIGHT_MODEL_LOCAL_VIEWER, 0.0);
// glGenTextures(1, &texName);
// glBindTexture(GL_TEXTURE_2D, texName);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
// glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 64, 64, 0, GL_RGBA, GL_UNSIGNED_BYTE, tex_data.data());
// gc.set_map_mode(cl_user_projection);
// gc.set_projection(proj);
//
// gc.flush_batcher();
// glMatrixMode(GL_PROJECTION);
glMatrixMode(GL_MODELVIEW);
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
glDepthFunc(GL_LESS);
glEnable(GL_TEXTURE_2D);
glShadeModel(GL_FLAT);
}
// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
quit = false;
CL_OpenGLWindowDescription desc;
desc.set_title("ClanLib Shadow Example");
desc.set_size(CL_Size(640, 640), true);
desc.set_multisampling(4);
desc.set_depth_size(16);
CL_DisplayWindow window(desc);
#ifdef _DEBUG
//struct aiLogStream stream;
//stream = aiGetPredefinedLogStream(aiDefaultLogStream_STDOUT,NULL);
//aiAttachLogStream(&stream);
//stream = aiGetPredefinedLogStream(aiDefaultLogStream_FILE,"assimp_log.txt");
//aiAttachLogStream(&stream);
#endif
aiSetImportPropertyFloat(AI_CONFIG_PP_GSN_MAX_SMOOTHING_ANGLE,89.53f);
// Connect the Window close event
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
// Connect a keyboard handler to on_key_up()
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
// Get the graphic context
CL_GraphicContext gc = window.get_gc();
GraphicStore graphic_store(gc);
scene.gs = &graphic_store;
// Prepare the display
gc.set_map_mode(cl_user_projection);
CL_PolygonRasterizer polygon_rasterizer;
polygon_rasterizer.set_culled(true);
polygon_rasterizer.set_face_cull_mode(cl_cull_back);
polygon_rasterizer.set_front_face(cl_face_side_clockwise);
gc.set_polygon_rasterizer(polygon_rasterizer);
create_scene(gc);
CL_FrameBuffer framebuffer(gc);
CL_Texture new_depth_texture(gc, CL_Size(1024, 1024), cl_depth_component);
new_depth_texture.set_wrap_mode(cl_wrap_clamp_to_edge, cl_wrap_clamp_to_edge, cl_wrap_clamp_to_edge);
framebuffer.attach_depth_buffer(new_depth_texture);
scene.gs->texture_shadow = new_depth_texture;
camera_angle = 0.0f;
CL_Font font(gc, "tahoma", 24);
FramerateCounter framerate_counter;
unsigned int time_last = CL_System::get_time();
// Run until someone presses escape
while (!quit)
{
framerate_counter.frame_shown();
unsigned int time_now = CL_System::get_time();
time_delta = time_now - time_last;
time_last = time_now;
rotate_teapot();
control_camera();
update_light(gc);
calculate_matricies(gc);
render_from_lightsource(gc, framebuffer);
render_from_camera(gc, framebuffer);
gc.set_modelview(CL_Mat4f::identity());
gc.set_map_mode(cl_map_2d_upper_left);
CL_String fps(cl_format("%1 fps", framerate_counter.get_framerate()));
font.draw_text(gc, 16-2, gc.get_height()-16-2, fps, CL_Colorf(0.0f, 0.0f, 0.0f, 1.0f));
font.draw_text(gc, 16, gc.get_height()-16-2, fps, CL_Colorf(1.0f, 1.0f, 1.0f, 1.0f));
// Use flip(1) to lock the fps
window.flip(0);
// This call processes user input and other events
CL_KeepAlive::process();
}
aiDetachAllLogStreams();
return 0;
}