void setup_plastic(void)
{
boost::shared_ptr<shade::GLSLTexture> texture(new shade::GLSLTexture(GL_TEXTURE_2D, GL_TEXTURE_2D_ARRAY_EXT));
texture->bind();
glTexParameterf(GL_TEXTURE_2D_ARRAY_EXT, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameterf(GL_TEXTURE_2D_ARRAY_EXT, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
Texture texture_data("examples/patterns.dds", 4);
texture_data.upload();
boost::shared_ptr<ArrayPlastic> specular(new ArrayPlastic(0.7, .3));
specular->texture_unit.set(texture);
boost::shared_ptr<shade::shaders::ObjectSpace> object_space(new shade::shaders::ObjectSpace);
specular->coordinate_system = object_space;
boost::shared_ptr<shade::shaders::UVCoord> uvcoord(new shade::shaders::UVCoord);
specular->uv = uvcoord;
shader->material = specular;
{
shaders::IlluminatedMaterial::LightList::Accessor accessor(specular->lights);
boost::shared_ptr<shaders::PointLight> light(new shaders::PointLight);
light->position.set_value(shade::vec3<>(30., 15., 10.));
light->color.set_value(shade::vec3<>(1., 1., 1.));
accessor->push_back(light);
boost::shared_ptr<shaders::PointLight> light2(new shaders::PointLight);
light2->position.set_value(shade::vec3<>(-15., -3, 0.));
light2->color.set_value(shade::vec3<>(1., 1., 1.));
accessor->push_back(light2);
}
}
void setup_plastic_with_texture(void)
{
boost::shared_ptr<shade::shaders::Plastic> specular(new shade::shaders::Plastic(0.7, .3));
boost::shared_ptr<shade::shaders::ObjectSpace> object_space(new shade::shaders::ObjectSpace);
boost::shared_ptr<shade::shaders::Texture2D> tex(new shade::shaders::Texture2D);
tex->texture_unit.set(example::make_texture("examples/pattern.dds"));
boost::shared_ptr<shade::shaders::UVCoord> uvcoord(new shade::shaders::UVCoord);
tex->uv = uvcoord;
specular->color = tex;
specular->coordinate_system = object_space;
shader->material = specular;
{
shaders::IlluminatedMaterial::LightList::Accessor accessor(specular->lights);
boost::shared_ptr<shaders::PointLight> light(new shaders::PointLight);
light->position.set_value(shade::vec3<>(30., 15., 10.));
light->color.set_value(shade::vec3<>(1., 1., 1.));
accessor->push_back(light);
boost::shared_ptr<shaders::PointLight> light2(new shaders::PointLight);
light2->position.set_value(shade::vec3<>(-15., -3, 0.));
light2->color.set_value(shade::vec3<>(1., 1., 1.));
accessor->push_back(light2);
}
}
boost::shared_ptr<shade::Program> setup_shading(boost::shared_ptr<shade::GLSLWrapper> state, boost::shared_ptr<shade::Texture> texture)
{
boost::shared_ptr<shade::shaders::Surface> shader(new shade::shaders::Surface);
boost::shared_ptr<shade::Program> program(new shade::Program(shader, state));
boost::shared_ptr<shade::shaders::Constant> constant(new shade::shaders::Constant);
constant->color.set_value(shade::vec4<>(1., 0.4, 0.4, 1.));
shader->material = constant;
boost::shared_ptr<shade::shaders::Texture2D> tex(new shade::shaders::Texture2D);
tex->texture_unit.set(texture);
boost::shared_ptr<shade::shaders::UVCoord> uvcoord(new shade::shaders::UVCoord);
tex->uv = uvcoord;
constant->color = tex;
return program;
}
void init(void)
{
shader = boost::shared_ptr<shaders::Surface>(new shaders::Surface);
boost::shared_ptr<shade::shaders::Plastic> specular(new shade::shaders::Plastic(0.4, 0.6));
boost::shared_ptr<shade::shaders::TangentSpace> coordinate_system(new shade::shaders::TangentSpace);
boost::shared_ptr<shade::shaders::Texture2D> tex_access(new shade::shaders::Texture2D);
boost::shared_ptr<shade::GLSLTexture> texture(example::make_texture("examples/heightbump.dds"));
tex_access->texture_unit.set(texture);
boost::shared_ptr<shade::shaders::UVCoord> uvcoord(new shade::shaders::UVCoord);
tex_access->uv = uvcoord;
specular->color.set_value(shade::vec4<>(1., 0.4, 0.4, 1.));
specular->coordinate_system = coordinate_system;
coordinate_system->normal_map = tex_access;
shader->material = specular;
{
shaders::IlluminatedMaterial::LightList::Accessor accessor(specular->lights);
boost::shared_ptr<shaders::PointLight> light(new shaders::PointLight);
light->position.set_value(shade::vec3<>(30., 15., 10.));
light->color.set_value(shade::vec3<>(1., 1., 1.));
accessor->push_back(light);
boost::shared_ptr<shaders::PointLight> light2(new shaders::PointLight);
light2->position.set_value(shade::vec3<>(-15., -3, 0.));
light2->color.set_value(shade::vec3<>(1., 1., 1.));
accessor->push_back(light2);
}
boost::shared_ptr<Displacement> displacement = boost::shared_ptr<Displacement>(new Displacement);
shader->geometry = displacement;
displacement->coordinate_system = coordinate_system.get();
displacement->texture_unit.set(texture);
state = shade::create_GLSL_wrapper();
state->init();
state->set_geometry_paramters(GL_TRIANGLES, GL_TRIANGLE_STRIP, 64);
program = boost::shared_ptr<shade::Program>(new shade::Program(shader, state));
if (std::getenv("DISPLACE_WIREFRAME"))
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
}
void setup_plane_shading(osg::ref_ptr<osg::StateSet> osg_state, boost::shared_ptr<shade::Texture> plane_map)
{
boost::shared_ptr<shade::GLSLWrapper> state(new shade::osg::Wrapper(osg_state));
boost::shared_ptr<shade::shaders::Surface> shader(new shade::shaders::Surface);
boost::shared_ptr<shade::Program> program(new shade::Program(shader, state));
boost::shared_ptr<shade::shaders::Constant> plane_material(new shade::shaders::Constant());
plane_material->color.set_value(shade::vec4<>(1., 0.4, 0.4, 1.));
shader->material = plane_material;
boost::shared_ptr<shade::shaders::Texture2D> texture(new shade::shaders::Texture2D);
texture->texture_unit.set(plane_map);
boost::shared_ptr<ScreenCoord> uvcoord(new ScreenCoord);
texture->uv = uvcoord;
plane_material->color = texture;
program->compile();
state->make_current();
program->upload();
}