void App::render(GraphicContext &gc)
{
gc.clear(Colorf(0.0f, 0.0f, 0.0f, 1.0f));
Rect viewport_rect(0, 0, Size(gc.get_width(), gc.get_height()));
gc.set_viewport(viewport_rect);
gc.clear_depth(1.0f);
Mat4f modelview_matrix = scene.gs->camera_modelview;
scene.Draw(modelview_matrix, gc);
gc.reset_program_object();
}
void LightsourceSimplePass::render(GraphicContext &gc, GPUTimer &timer)
{
ScopeTimeFunction();
//timer.begin_time(gc, "light(simple)");
gc.set_frame_buffer(fb);
gc.set_viewport(viewport->get_size());
gc.set_depth_range(0.0f, 0.9f);
gc.set_uniform_buffer(0, uniforms);
gc.set_texture(0, light_instance_texture);
gc.set_texture(1, normal_z_gbuffer.get());
gc.set_texture(2, diffuse_color_gbuffer.get());
gc.set_texture(3, specular_color_gbuffer.get());
gc.set_texture(4, specular_level_gbuffer.get());
gc.set_texture(5, shadow_maps.get());
gc.set_texture(6, self_illumination_gbuffer.get());
gc.set_blend_state(blend_state);
gc.clear();
// To do: use icosahedron for smaller lights and when the camera is not inside the light influence sphere
// To do: combine multiple lights into the same rect pass to reduce overdraw penalty
gc.set_depth_stencil_state(rect_depth_stencil_state);
gc.set_rasterizer_state(rect_rasterizer_state);
gc.set_program_object(rect_light_program);
gc.set_primitives_array(rect_prim_array);
gc.draw_primitives_array_instanced(type_triangles, 0, 6, std::max(lights.size(), (size_t)1));
gc.reset_primitives_array();
/*
gc.set_depth_stencil_state(icosahedron_depth_stencil_state);
gc.set_rasterizer_state(icosahedron_rasterizer_state);
gc.set_program_object(icosahedron_light_program);
gc.set_primitives_array(icosahedron_prim_array);
gc.draw_primitives_elements_instanced(type_triangles, icosahedron->num_elements, icosahedron->elements, 0, lights.size());
gc.reset_primitives_array();
*/
gc.set_depth_stencil_state(icosahedron_depth_stencil_state);
gc.set_rasterizer_state(icosahedron_rasterizer_state);
gc.set_program_object(icosahedron_light_program);
gc.set_primitives_array(icosahedron_prim_array);
gc.draw_primitives_elements_instanced(type_triangles, icosahedron->num_elements, icosahedron->elements, 0, lights.size());
gc.reset_primitives_array();
//timer.end_time(gc);
//timer.begin_time(gc, "light(simple)");
gc.reset_texture(6);
gc.reset_texture(5);
gc.reset_texture(4);
gc.reset_texture(3);
gc.reset_texture(2);
gc.reset_texture(1);
gc.reset_texture(0);
gc.reset_uniform_buffer(0);
//timer.end_time(gc);
}
int App::start(const std::vector<std::string> &args)
{
OpenGLWindowDescription description;
description.set_title("UniformBlock Shader");
//description.set_version(3, 1, false);
description.set_size(Size(1024, 768), true);
DisplayWindow window(description);
InputDevice keyboard = window.get_ic().get_keyboard();
GraphicContext gc = window.get_gc();
Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
Slot slot_window_close = window.sig_window_close().connect(this, &App::window_close);
// Load and link shaders
ProgramObject shader = ProgramObject::load(gc, "Resources/vertex_shader.glsl", "Resources/fragment_shader.glsl");
shader.bind_attribute_location(0, "Position");
if (!shader.link())
throw Exception("Unable to link shader program: Error:" + shader.get_info_log());
int block_size = shader.get_uniform_block_size("TestBlock");
const int num_blocks = 16;
ProgramUniformBlock block(gc, block_size * num_blocks);
std::vector<float> data_to_upload;
data_to_upload.resize((num_blocks * block_size) / sizeof(float) );
float test_colour = 1.0f;
for (int cnt=0; cnt<num_blocks; cnt++)
{
int offset = cnt * block_size / sizeof(float) ;
data_to_upload[offset + 0] = test_colour;
data_to_upload[offset + 1] = 0.5f;
data_to_upload[offset + 2] = 1.0f;
test_colour -= 0.05f;
}
block.upload_data(0, &data_to_upload[0], block_size * num_blocks);
quit = false;
Font font(gc, "tahoma", 32);
clan::ubyte64 startTime = System::get_time();
//// Test code
//GLuint uniform_index = -1;
//const char *names[] = {"src_color"};
//glGetUniformIndices(handle, 1, names, &uniform_index);
//if (uniform_index >=0)
//{
// GLint offset;
// GLint singleSize;
// GLint uniform_type;
// glGetActiveUniformsiv(handle, 1, &uniform_index, GL_UNIFORM_TYPE, &uniform_type);
// glGetActiveUniformsiv(handle, 1, &uniform_index, GL_UNIFORM_OFFSET, &offset);
// glGetActiveUniformsiv(handle, 1, &uniform_index, GL_UNIFORM_SIZE, &singleSize);
// if ((uniform_type != GL_FLOAT_VEC3) || (offset !=0) || (singleSize != 1))
// {
// throw Exception("well it seems it does not work");
// }
//}
while (!quit)
{
gc.clear(Colorf(0.1f, 0.1f, 0.2f));
OpenGL::check_error();
for (int test_run_y=0; test_run_y < 16; test_run_y++)
{
shader.set_uniform_block("TestBlock", block, test_run_y*block_size);
for (int test_run_x=0; test_run_x < 16; test_run_x++)
{
Vec2f positions[3];
float size = 32.0f;
positions[0].x = test_run_x * size;
positions[0].y = test_run_y * size + size;
positions[1].x = test_run_x * size + size;
positions[1].y = test_run_y * size + size;
positions[2].x = test_run_x * size + size;
positions[2].y = test_run_y * size;
PrimitivesArray prim_array(gc);
prim_array.set_attributes(0, positions);
gc.set_program_object(shader, cl_program_matrix_modelview_projection);
gc.draw_primitives(cl_triangles, 3, prim_array);
gc.reset_program_object();
}
}
font.draw_text(gc, 32, 200, "Hello World");
window.flip(1);
KeepAlive::process();
}
return 0;
}
virtual int main(const std::vector<std::string> &args)
{
DisplayWindowDescription desc;
desc.set_size(Size(800,600), true);
desc.set_title("Span Layout Test");
DisplayWindow window(desc);
Canvas canvas(window);
GraphicContext gc = window.get_gc();
FontDescription font_desc1;
font_desc1.set_typeface_name("Verdana");
font_desc1.set_height(-13);
Font font1(canvas, font_desc1);
Image smiley(canvas, "smiley.png");
SpanLayout span;
span.add_text(" This is a ", font1, Colorf::white, 1);
span.add_text("red", font1, Colorf::red, 2);
span.add_text(" text! ", font1, Colorf::white, 3);
span.add_text("And this complete text is green with non-blocking space..", font1, Colorf::green, 4);
span.add_image(smiley, 10, 5);
span.add_text("This is a really long descriptive and interesting text. ", font1, Colorf::yellow, 6);
span.add_text("[", font1, Colorf::black, 7);
span.add_text("15:35", font1, Colorf::white, 8);
span.add_text("]", font1, Colorf::black, 9);
span.add_image(smiley, 0, 10);
span.add_image(smiley, 2, 11);
span.add_text("kthxbye!", font1, Colorf::blue, 12);
span.layout(gc, 200);
span.set_position(Point(10, 10));
while (!window.get_ic().get_keyboard().get_keycode(keycode_escape))
{
gc.clear(Colorf::gray70);
span.draw_layout(canvas);
Point mouse_pos = window.get_ic().get_mouse().get_position();
SpanLayout::HitTestResult result = span.hit_test(gc, mouse_pos);
std::string type;
switch(result.type)
{
case SpanLayout::HitTestResult::no_objects_available:
type = "no_objects_available";
break;
case SpanLayout::HitTestResult::outside_top:
type = "outside_top";
break;
case SpanLayout::HitTestResult::outside_left:
type = "outside_left";
break;
case SpanLayout::HitTestResult::outside_right:
type = "outside_right";
break;
case SpanLayout::HitTestResult::outside_bottom:
type = "outside_bottom";
break;
case SpanLayout::HitTestResult::inside:
type = "inside";
break;
}
std::string result_text = string_format("HitTestResult: Type:%1 ID:%2 Offset:%3", type, result.object_id, result.offset);
font1.draw_text(canvas, 10, 300, result_text);
window.flip();
KeepAlive::process();
System::sleep(50);
}
return 0;
}
// The start of the Application
int App::start(const std::vector<std::string> &args)
{
try
{
DisplayWindowDescription win_desc;
win_desc.set_allow_resize(true);
win_desc.set_title("HDR Example");
win_desc.set_size(Size( 600, 630 ), false);
DisplayWindow window(win_desc);
Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
GraphicContext gc = window.get_gc();
// Load and link shaders
ProgramObject shader = 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 Exception("Unable to link shader program: Error:" + shader.get_info_log());
const float dynamic_range_start = -1.5f;
const float dynamic_range_end = 1.5f;
const Size image_size(gc.get_width() - 64, 128);
Texture image_rgb32f = create_rgb32f(gc, image_size, dynamic_range_start, dynamic_range_end);
Font font(gc, "Tahoma", 20);
clan::ubyte64 time_last = System::get_time();
bool direction = false;
while (!quit)
{
clan::ubyte64 time_now = System::get_time();
time_delta = ((float) time_now - time_last) / 1000.0f;
time_last = time_now;
if (direction)
{
color_offset.r += time_delta * 1.0f;
if (color_offset.r > 2.0f)
{
color_offset.r = 2.0f;
direction = false;
}
}
else
{
color_offset.r -= time_delta * 1.0f;
if (color_offset.r < -2.0f)
{
color_offset.r = -2.0f;
direction = true;
}
}
color_offset.g = color_offset.r;
color_offset.b = color_offset.r;
gc.clear(Colorf(0.2f,0.2f,0.5f));
font.draw_text(gc, 32, 50, "Showing Texture RGB values from " + StringHelp::float_to_text(dynamic_range_start) + " to " + StringHelp::float_to_text(dynamic_range_end));
draw_image(gc, image_rgb32f, 32.0f, 100.0f, shader, Vec4f(0.0f, 0.0f, 0.0f, 0.0f));
font.draw_text(gc, 32, 350, "Showing Texture with an offset to the floating point color component");
draw_image(gc, image_rgb32f, 32.0f, 400.0f, shader, color_offset);
KeepAlive::process(0);
window.flip(1);
}
}
catch(Exception &exception)
{
// Create a console window for text-output if not available
ConsoleWindow console("Console", 80, 160);
Console::write_line("Exception caught: " + exception.get_message_and_stack_trace());
console.display_close_message();
return -1;
}
return 0;
}
