void
insula::physics::debug_drawer::render()
{
lines_.clear();
world_.handle().debugDrawWorld();
if (lines_.empty())
return;
FCPPT_ASSERT(
lines_.size() % 2 == 0);
sge::renderer::state::scoped const sstate(
renderer_,
sge::renderer::state::list
(sge::renderer::state::depth_func::less));
graphics::shader::scoped scoped_shader_(
shader_);
shader_.set_uniform(
FCPPT_TEXT("mvp"),
camera_.perspective() * camera_.world());
vb_ =
renderer_->create_vertex_buffer(
sge::renderer::vf::dynamic::make_format<vertex_format>(),
static_cast<sge::renderer::size_type>(
lines_.size()),
sge::renderer::resource_flags::none);
sge::renderer::scoped_vertex_buffer const scoped_vb_(
renderer_,
vb_);
{
sge::renderer::scoped_vertex_lock const vblock(
vb_,
sge::renderer::lock_mode::writeonly);
vertex_view const vertices(
vblock.value());
vertex_view::iterator vb_it(
vertices.begin());
BOOST_FOREACH(line_cache::const_reference l,lines_)
{
// Technically, we'd have to cast to vf_position::packed_type
// here, but screw that
(vb_it)->set<vf_position>(
std::get<0>(l));
(vb_it++)->set<vf_color>(
std::get<1>(l));
}
}
awl::main::exit_code const
example_main(
awl::main::function_context const &
)
try
{
sge::systems::instance<
brigand::list<
sge::systems::with_window,
sge::systems::with_renderer<
sge::systems::renderer_caps::core
>,
sge::systems::with_input
>
> const sys(
sge::systems::make_list
(
sge::systems::window(
sge::systems::window_source(
sge::systems::original_window(
sge::window::title(
FCPPT_TEXT("sge cg simple test")
)
)
)
)
)
(
sge::systems::renderer(
sge::renderer::pixel_format::object(
sge::renderer::pixel_format::color::depth32,
sge::renderer::pixel_format::depth_stencil::off,
sge::renderer::pixel_format::optional_multi_samples(),
sge::renderer::pixel_format::srgb::no
),
sge::renderer::display_mode::parameters(
sge::renderer::display_mode::vsync::on,
sge::renderer::display_mode::optional_object()
),
sge::viewport::optional_resize_callback{
sge::viewport::fill_on_resize()
}
)
)
(
sge::systems::input(
sge::systems::cursor_option_field::null()
)
)
);
sge::cg::context::object const cg_context{};
sge::cg::profile::object const vertex_profile(
sys.renderer_device_core().create_cg_profile(
sge::cg::profile::shader_type::vertex
)
);
sge::cg::string const vertex_shader_source(
"// This is C2E1v_green from \"The Cg Tutorial\" (Addison-Wesley, ISBN\n"
"// 0321194969) by Randima Fernando and Mark J. Kilgard. See page 38.\n"
"\n"
"struct C2E1v_Output {\n"
" float4 position : POSITION;\n"
"};\n"
"\n"
"C2E1v_Output C2E1v_green(float2 position : POSITION)\n"
"{\n"
" C2E1v_Output OUT;\n"
"\n"
" OUT.position = float4(position,0,1);\n"
"\n"
" return OUT;\n"
"}\n"
);
sge::cg::program::object vertex_program(
sge::cg::program::from_string_parameters(
cg_context,
sge::cg::program::source_type::text,
vertex_profile,
sge::cg::program::source(
vertex_shader_source
),
sge::cg::program::main_function(
"C2E1v_green"
),
sys.renderer_device_core().cg_compile_options(
cg_context,
vertex_profile
)
)
);
sge::renderer::cg::loaded_program_unique_ptr const loaded_vertex_program(
sys.renderer_device_core().load_cg_program(
vertex_program
)
);
sge::cg::profile::object const pixel_profile(
sys.renderer_device_core().create_cg_profile(
sge::cg::profile::shader_type::pixel
)
);
sge::cg::string const pixel_shader_source(
"struct C3E3f_Output {\n"
" float4 color : COLOR;\n"
"};\n"
"C3E3f_Output\n"
"C3E3f_simple()\n"
"{\n"
" C3E3f_Output OUT;\n"
"\n"
" OUT.color = float4(0,1,0,1);\n"
" return OUT;\n"
"}\n"
);
sge::cg::program::object pixel_program(
sge::cg::program::from_string_parameters(
cg_context,
sge::cg::program::source_type::text,
pixel_profile,
sge::cg::program::source(
pixel_shader_source
),
sge::cg::program::main_function(
"C3E3f_simple"
),
sys.renderer_device_core().cg_compile_options(
cg_context,
pixel_profile
)
)
);
sge::renderer::cg::loaded_program_unique_ptr const loaded_pixel_program(
sys.renderer_device_core().load_cg_program(
pixel_program
)
);
typedef
sge::renderer::vf::pos<
float,
3
>
pos3_type;
typedef
sge::renderer::vf::part<
brigand::list<
pos3_type
>
>
format_part;
typedef
sge::renderer::vf::format<
brigand::list<
format_part
>
>
format;
sge::renderer::vertex::declaration_unique_ptr const vertex_declaration(
sys.renderer_device_core().create_vertex_declaration(
sge::renderer::vertex::declaration_parameters(
sge::renderer::vf::dynamic::make_format<
format
>()
)
)
);
sge::renderer::vertex::buffer_unique_ptr const vertex_buffer(
sys.renderer_device_core().create_vertex_buffer(
sge::renderer::vertex::buffer_parameters(
*vertex_declaration,
sge::renderer::vf::dynamic::make_part_index<
format,
format_part
>(),
sge::renderer::vertex::count(
3u
),
sge::renderer::resource_flags_field::null()
)
)
);
{
sge::renderer::vertex::scoped_lock const vblock(
*vertex_buffer,
sge::renderer::lock_mode::writeonly
);
typedef
sge::renderer::vf::view<
format_part
>
vertex_view;
vertex_view const vertices(
vblock.value()
);
vertex_view::iterator vb_it(
vertices.begin()
);
typedef
pos3_type::packed_type
vec3;
(*vb_it).set<
pos3_type
>(
vec3(
-1.f,
1.f,
0.f
)
);
++vb_it;
(*vb_it).set<
pos3_type
>(
vec3(
-1.f,
-1.f,
0.f
)
);
++vb_it;
(*vb_it).set<
pos3_type
>(
vec3(
1.f,
1.f,
0.f
)
);
}
auto const draw(
[
&loaded_pixel_program,
&loaded_vertex_program,
&sys,
&vertex_buffer,
&vertex_declaration
]{
sge::renderer::context::scoped_core const scoped_block(
sys.renderer_device_core(),
sys.renderer_device_core().onscreen_target()
);
scoped_block.get().clear(
sge::renderer::clear::parameters()
.back_buffer(
sge::image::color::any::object{
sge::image::color::predef::black()
}
)
);
sge::renderer::vertex::scoped_declaration_and_buffers const vb_context(
scoped_block.get(),
*vertex_declaration,
sge::renderer::vertex::const_buffer_ref_container{
fcppt::make_cref(
*vertex_buffer
)
}
);
sge::renderer::cg::scoped_program const scoped_vertex_program(
scoped_block.get(),
*loaded_vertex_program
);
sge::renderer::cg::scoped_program const scoped_pixel_program(
scoped_block.get(),
*loaded_pixel_program
);
scoped_block.get().render_nonindexed(
sge::renderer::vertex::first(
0u
),
sge::renderer::vertex::count(
3u
),
sge::renderer::primitive_type::triangle_list
);
}
);
return
sge::window::loop(
sys.window_system(),
sge::window::loop_function{
[
&sys,
&draw
](
awl::event::base const &_event
)
{
sge::systems::quit_on_escape(
sys,
_event
);
fcppt::optional::maybe_void(
fcppt::cast::dynamic<
sge::renderer::event::render const
>(
_event
),
[
&draw
](
fcppt::reference<
sge::renderer::event::render const
>
)
{
draw();
}
);
}
}
);
}
catch(
fcppt::exception const &_error
)
{
awl::show_error(
_error.string()
);
return
awl::main::exit_failure();
}
catch(
std::exception const &_error
)
{
awl::show_error_narrow(
_error.what()
);
return
awl::main::exit_failure();
}
awl::main::exit_code const
example_main(
awl::main::function_context const &
)
try
{
sge::systems::instance<
brigand::list<
sge::systems::with_window,
sge::systems::with_renderer<
sge::systems::renderer_caps::ffp
>,
sge::systems::with_input,
sge::systems::with_image2d
>
> const sys(
sge::systems::make_list
(
sge::systems::window(
sge::systems::window_source(
sge::systems::original_window(
sge::window::title(
FCPPT_TEXT("sge cg point sprites test")
)
)
)
)
)
(
sge::systems::renderer(
sge::renderer::pixel_format::object(
sge::renderer::pixel_format::color::depth32,
sge::renderer::pixel_format::depth_stencil::off,
sge::renderer::pixel_format::optional_multi_samples(),
sge::renderer::pixel_format::srgb::no
),
sge::renderer::display_mode::parameters(
sge::renderer::display_mode::vsync::on,
sge::renderer::display_mode::optional_object()
),
sge::viewport::optional_resize_callback{
sge::viewport::fill_on_resize()
}
)
)
(
sge::systems::image2d(
sge::media::optional_extension_set(
sge::media::extension_set{
sge::media::extension(
FCPPT_TEXT("png")
)
}
)
)
)
(
sge::systems::input(
sge::systems::cursor_option_field::null()
)
)
);
typedef
sge::renderer::vf::pos<
float,
3
>
pos3_type;
typedef
sge::renderer::vf::texpos<
float,
2,
sge::renderer::vf::index<
0u
>
>
texpos_type;
typedef
sge::renderer::vf::extra<
sge::renderer::vf::vector<
float,
1u
>,
sge::renderer::vf::index<
0u
>
>
point_size_type;
typedef
sge::renderer::vf::part<
brigand::list<
pos3_type,
texpos_type,
point_size_type
>
>
format_part;
typedef
sge::renderer::vf::format<
brigand::list<
format_part
>
>
format;
sge::renderer::vertex::declaration_unique_ptr const vertex_declaration(
sys.renderer_device_core().create_vertex_declaration(
sge::renderer::vertex::declaration_parameters(
sge::renderer::vf::dynamic::make_format<
format
>()
)
)
);
sge::cg::context::object const cg_context;
sge::cg::profile::object const vertex_profile(
sys.renderer_device_core().create_cg_profile(
sge::cg::profile::shader_type::vertex
)
);
sge::cg::string const vertex_shader_source(
"struct vertex_outputs\n"
"{\n"
" float2 position : POSITION;\n"
" float point_size : PSIZE;\n"
" float2 external_texpos : COLOR0;\n"
"};\n"
"vertex_outputs\n"
"vertex_main(\n"
" float2 position : POSITION,\n"
" float2 texpos : TEXCOORD0,\n"
" float point_size : $0$\n"
")\n"
"{\n"
" vertex_outputs outs;\n"
" outs.position = float4(position,0.0,1.0);\n"
" outs.point_size = point_size;\n"
" outs.external_texpos = texpos;\n"
" return outs;\n"
"}\n"
);
sge::cg::string const pixel_shader_source(
"float4\n"
"pixel_main(\n"
" float2 external_texpos : COLOR0,\n"
" float2 texCoord : TEXCOORD0,\n"
" uniform sampler2D decal : TEX0\n"
") : COLOR\n"
"{\n"
" return tex2D(decal,external_texpos.xy + texCoord.xy / 2.0);\n"
"}\n"
);
sge::cg::program::object vertex_program(
sge::cg::program::from_string_parameters(
cg_context,
sge::cg::program::source_type::text,
vertex_profile,
sys.renderer_device_core().transform_cg_vertex_program(
*vertex_declaration,
sge::cg::program::source(
vertex_shader_source
)
),
sge::cg::program::main_function(
"vertex_main"
),
sys.renderer_device_core().cg_compile_options(
cg_context,
vertex_profile
)
)
);
sge::renderer::cg::loaded_program_unique_ptr const loaded_vertex_program(
sys.renderer_device_core().load_cg_program(
vertex_program
)
);
sge::cg::profile::object const pixel_profile(
sys.renderer_device_core().create_cg_profile(
sge::cg::profile::shader_type::pixel
)
);
sge::cg::program::object pixel_program(
sge::cg::program::from_string_parameters(
cg_context,
sge::cg::program::source_type::text,
pixel_profile,
sge::cg::program::source(
pixel_shader_source
),
sge::cg::program::main_function(
"pixel_main"
),
sys.renderer_device_core().cg_compile_options(
cg_context,
pixel_profile
)
)
);
sge::renderer::cg::loaded_program_unique_ptr const loaded_pixel_program(
sys.renderer_device_core().load_cg_program(
pixel_program
)
);
sge::renderer::vertex::buffer_unique_ptr const vertex_buffer(
sys.renderer_device_core().create_vertex_buffer(
sge::renderer::vertex::buffer_parameters(
*vertex_declaration,
sge::renderer::vf::dynamic::make_part_index<
format,
format_part
>(),
sge::renderer::vertex::count(
1u
),
sge::renderer::resource_flags_field::null()
)
)
);
{
sge::renderer::vertex::scoped_lock const vblock(
*vertex_buffer,
sge::renderer::lock_mode::writeonly
);
typedef
sge::renderer::vf::view<
format_part
>
vertex_view;
vertex_view const vertices(
vblock.value()
);
vertex_view::iterator vb_it(
vertices.begin()
);
typedef
pos3_type::packed_type
pos3;
typedef
texpos_type::packed_type texpos;
typedef
point_size_type::packed_type
point_size;
(*vb_it).set<
pos3_type
>(
pos3(
0.f,
0.f,
0.f
)
);
(*vb_it).set<
texpos_type
>(
texpos(
0.5f,
0.5f
)
);
(*vb_it).set<
point_size_type
>(
point_size(
200.0f
)
);
}
sge::renderer::texture::planar_unique_ptr const texture(
sge::renderer::texture::create_planar_from_path(
sge::config::media_path()
/ FCPPT_TEXT("images")
/ FCPPT_TEXT("uvtestgrid.png"),
sys.renderer_device_core(),
sys.image_system(),
sge::renderer::texture::mipmap::off(),
sge::renderer::resource_flags_field::null(),
sge::renderer::texture::emulate_srgb_from_caps(
sys.renderer_device_ffp().caps()
)
)
);
sge::renderer::cg::loaded_texture_unique_ptr const loaded_texture(
sys.renderer_device_core().load_cg_texture(
pixel_program.parameter(
"decal"
).object(),
*texture
)
);
sge::renderer::state::ffp::misc::object_unique_ptr const misc_state(
sys.renderer_device_ffp().create_misc_state(
sge::renderer::state::ffp::misc::parameters(
sge::renderer::state::ffp::misc::enable_point_sprites(
true
),
sge::renderer::state::ffp::misc::local_viewer(
false
),
sge::renderer::state::ffp::misc::normalize_normals(
false
)
)
)
);
auto const draw(
[
&loaded_pixel_program,
&loaded_texture,
&loaded_vertex_program,
&misc_state,
&sys,
&vertex_buffer,
&vertex_declaration
]{
sge::renderer::context::scoped_ffp const scoped_block(
sys.renderer_device_ffp(),
sys.renderer_device_ffp().onscreen_target()
);
scoped_block.get().clear(
sge::renderer::clear::parameters()
.back_buffer(
sge::image::color::any::object{
sge::image::color::predef::blue()
}
)
);
sge::renderer::state::ffp::misc::scoped const scoped_misc(
scoped_block.get(),
*misc_state
);
sge::renderer::vertex::scoped_declaration_and_buffers const vb_context(
scoped_block.get(),
*vertex_declaration,
sge::renderer::vertex::const_buffer_ref_container{
fcppt::make_cref(
*vertex_buffer
)
}
);
sge::renderer::cg::scoped_program const scoped_vertex_program(
scoped_block.get(),
*loaded_vertex_program
);
sge::renderer::cg::scoped_program const scoped_pixel_program(
scoped_block.get(),
*loaded_pixel_program
);
sge::renderer::cg::scoped_texture const scoped_texture(
scoped_block.get(),
*loaded_texture
);
scoped_block.get().render_nonindexed(
sge::renderer::vertex::first(
0u
),
sge::renderer::vertex::count{
vertex_buffer->linear_size()
},
sge::renderer::primitive_type::point_list
);
}
);
return
sge::window::loop(
sys.window_system(),
sge::window::loop_function{
[
&sys,
&draw
](
awl::event::base const &_event
)
{
sge::systems::quit_on_escape(
sys,
_event
);
fcppt::optional::maybe_void(
fcppt::cast::dynamic<
sge::renderer::event::render const
>(
_event
),
[
&draw
](
fcppt::reference<
sge::renderer::event::render const
>
)
{
draw();
}
);
}
}
);
}
catch(
fcppt::exception const &_error
)
{
awl::show_error(
_error.string()
);
return
awl::main::exit_failure();
}
catch(
std::exception const &_error
)
{
awl::show_error_narrow(
_error.what()
);
return
awl::main::exit_failure();
}
