void App::render(CL_GraphicContext &gc)
{
gc.clear(CL_Colorf(0.0f, 0.0f, 0.0f, 1.0f));
scene.gs->image_grid.draw(gc, 420.0f, 120.0f); // Draw a grid in the backgound
gc.set_map_mode(cl_user_projection);
CL_Rect viewport_rect(0, 0, CL_Size(gc.get_width(), gc.get_height()));
gc.set_viewport(viewport_rect);
gc.set_projection(scene.gs->camera_projection);
CL_BufferControl buffer_control;
buffer_control.set_depth_compare_function(cl_comparefunc_lequal);
buffer_control.enable_depth_write(true);
buffer_control.enable_depth_test(true);
buffer_control.enable_stencil_test(false);
buffer_control.enable_color_write(true);
gc.set_buffer_control(buffer_control);
gc.clear_depth(1.0f);
CL_Mat4f modelview_matrix = scene.gs->camera_modelview;
scene.Draw(modelview_matrix, gc);
gc.reset_program_object();
}
void App::render_from_lightsource(CL_GraphicContext &gc, CL_FrameBuffer &framebuffer)
{
CL_PrimitivesArray prim_array(gc);
gc.set_frame_buffer(framebuffer);
gc.set_map_mode(cl_user_projection);
CL_Rect viewport_rect2(0, 0, CL_Size(scene.gs->texture_shadow.get_width(), scene.gs->texture_shadow.get_height()));
gc.set_viewport(viewport_rect2);
CL_Mat4f perp = CL_Mat4f::perspective(67.0f, 1.0f, 0.1f, 1000.0f);
gc.set_projection(scene.gs->light_projection);
CL_BufferControl buffer_control;
buffer_control.set_depth_compare_function(cl_comparefunc_lequal);
buffer_control.enable_depth_write(true);
buffer_control.enable_depth_test(true);
buffer_control.enable_stencil_test(false);
buffer_control.enable_color_write(false);
gc.set_buffer_control(buffer_control);
gc.clear_depth(1.0f);
CL_Mat4f modelview_matrix = scene.gs->light_modelview;
scene.Draw(modelview_matrix, gc, true);
gc.reset_program_object();
gc.set_modelview(CL_Mat4f::identity());
gc.set_map_mode(CL_MapMode(cl_map_2d_upper_left));
gc.reset_frame_buffer();
}
void CL_Draw::texture(
CL_GraphicContext &gc,
const CL_Rectf &rect,
const CL_Colorf &color,
const CL_Rectf &texture_unit1_coords)
{
CL_Vec2f positions[6] =
{
CL_Vec2f(rect.left, rect.top),
CL_Vec2f(rect.right, rect.top),
CL_Vec2f(rect.left, rect.bottom),
CL_Vec2f(rect.right, rect.top),
CL_Vec2f(rect.left, rect.bottom),
CL_Vec2f(rect.right, rect.bottom)
};
CL_Vec2f tex1_coords[6] =
{
CL_Vec2f(texture_unit1_coords.left, texture_unit1_coords.top),
CL_Vec2f(texture_unit1_coords.right, texture_unit1_coords.top),
CL_Vec2f(texture_unit1_coords.left, texture_unit1_coords.bottom),
CL_Vec2f(texture_unit1_coords.right, texture_unit1_coords.top),
CL_Vec2f(texture_unit1_coords.left, texture_unit1_coords.bottom),
CL_Vec2f(texture_unit1_coords.right, texture_unit1_coords.bottom)
};
CL_PrimitivesArray prim_array(gc);
prim_array.set_attributes(0, positions);
prim_array.set_attribute(1, color);
prim_array.set_attributes(2, tex1_coords);
gc.set_program_object(cl_program_single_texture);
gc.draw_primitives(cl_triangles, 6, prim_array);
gc.reset_program_object();
}
void CL_Draw::gradient_fill(CL_GraphicContext &gc, float x1, float y1, float x2, float y2, const CL_Gradient &gradient)
{
CL_Vec2f positions[6] =
{
CL_Vec2f(x1, y1),
CL_Vec2f(x2, y1),
CL_Vec2f(x1, y2),
CL_Vec2f(x2, y1),
CL_Vec2f(x1, y2),
CL_Vec2f(x2, y2)
};
#define cl_color_to_color4d(c) c.get_red(), c.get_green(), c.get_blue(), c.get_alpha()
CL_Vec4f colors[6] =
{
CL_Vec4f(cl_color_to_color4d(gradient.top_left)),
CL_Vec4f(cl_color_to_color4d(gradient.top_right)),
CL_Vec4f(cl_color_to_color4d(gradient.bottom_left)),
CL_Vec4f(cl_color_to_color4d(gradient.top_right)),
CL_Vec4f(cl_color_to_color4d(gradient.bottom_left)),
CL_Vec4f(cl_color_to_color4d(gradient.bottom_right))
};
CL_PrimitivesArray prim_array(gc);
prim_array.set_attributes(0, positions);
prim_array.set_attributes(1, colors);
gc.set_program_object(cl_program_color_only);
gc.draw_primitives(cl_triangles, 6, prim_array);
gc.reset_program_object();
}
/**
* Draws the polygon on the graphics context.
*
* @param gc Graphics context to draw the polygon on.
*/
void Polygon::draw(CL_GraphicContext gc)
{
//Only draw if more than one point exists.
if(_points.size() > 1)
{
//CL_Vec4f green_color(1.0f, 1.0f, 1.0f, 1.0f);
CL_Vec2i points_array[_points.size()];
std::list<CL_Pointf>::iterator it_point;
int n = 0;
for(it_point = _points.begin(); it_point != _points.end(); ++it_point)
{
points_array[n] = static_cast<CL_Vec2i>(*(it_point));
n++;
}
CL_PrimitivesArray poly(gc);
poly.set_attributes(0, points_array);
poly.set_attribute(1, _line_color);
//scene->get_world()->get_gc()->get_polygon_rasterizer().set_face_fill_mode_front(cl_fill_polygon);
gc.set_program_object(cl_program_color_only);
gc.draw_primitives(cl_line_loop,n,poly);
gc.reset_program_object();
}
}
void CL_RenderBatch3D::flush(CL_GraphicContext &gc)
{
if (position > 0)
{
gc.set_modelview(CL_Mat4f::identity());
gc.set_program_object(cl_program_sprite);
if (use_glyph_program)
{
CL_BlendMode old_blend_mode = gc.get_blend_mode();
CL_BlendMode blend_mode;
blend_mode.set_blend_color(constant_color);
blend_mode.set_blend_function(cl_blend_constant_color, cl_blend_one_minus_src_color, cl_blend_zero, cl_blend_one);
gc.set_blend_mode(blend_mode);
for (int i = 0; i < num_current_textures; i++)
gc.set_texture(i, current_textures[i]);
CL_PrimitivesArray prim_array(gc);
prim_array.set_attributes(0, &vertices[0].position, sizeof(SpriteVertex));
prim_array.set_attributes(1, &vertices[0].color, sizeof(SpriteVertex));
prim_array.set_attributes(2, &vertices[0].texcoord, sizeof(SpriteVertex));
prim_array.set_attributes(3, &vertices[0].texindex, sizeof(SpriteVertex));
gc.draw_primitives(cl_triangles, position, prim_array);
for (int i = 0; i < num_current_textures; i++)
gc.reset_texture(i);
gc.set_blend_mode(old_blend_mode);
}
else
{
for (int i = 0; i < num_current_textures; i++)
gc.set_texture(i, current_textures[i]);
CL_PrimitivesArray prim_array(gc);
prim_array.set_attributes(0, &vertices[0].position, sizeof(SpriteVertex));
prim_array.set_attributes(1, &vertices[0].color, sizeof(SpriteVertex));
prim_array.set_attributes(2, &vertices[0].texcoord, sizeof(SpriteVertex));
prim_array.set_attributes(3, &vertices[0].texindex, sizeof(SpriteVertex));
gc.draw_primitives(cl_triangles, position, prim_array);
for (int i = 0; i < num_current_textures; i++)
gc.reset_texture(i);
}
gc.reset_program_object();
gc.set_modelview(modelview);
position = 0;
for (int i = 0; i < num_current_textures; i++)
current_textures[i] = CL_Texture();
num_current_textures = 0;
}
}
void CL_Draw::point(CL_GraphicContext &gc, float x1, float y1, const CL_Colorf &color)
{
CL_Vec2f positions[1] =
{
CL_Vec2f(x1, y1)
};
CL_PrimitivesArray prim_array(gc);
prim_array.set_attributes(0, positions);
prim_array.set_attribute(1, color);
gc.set_program_object(cl_program_color_only);
gc.draw_primitives(cl_points, 1, prim_array);
gc.reset_program_object();
}
void CL_Draw::triangle(CL_GraphicContext &gc, const CL_Pointf &a, const CL_Pointf &b, const CL_Pointf &c, const CL_Colorf &color)
{
CL_Vec2f positions[3] =
{
CL_Vec2f(a.x, a.y),
CL_Vec2f(b.x, b.y),
CL_Vec2f(c.x, c.y)
};
CL_PrimitivesArray prim_array(gc);
prim_array.set_attributes(0, positions);
prim_array.set_attribute(1, color);
gc.set_program_object(cl_program_color_only);
gc.draw_primitives(cl_triangles, 3, prim_array);
gc.reset_program_object();
}
void App::render_gaussian_blur(CL_GraphicContext &gc, float blur_amount, CL_Texture &source_texture, CL_ProgramObject &program_object, float dx, float dy)
{
int sampleCount = 15;
float *sampleWeights = new float[sampleCount];
CL_Vec2f *sampleOffsets = new CL_Vec2f[sampleCount];
sampleWeights[0] = compute_gaussian(0, blur_amount);
sampleOffsets[0] = CL_Vec2f(0.0, 0.0);
float totalWeights = sampleWeights[0];
for (int i = 0; i < sampleCount / 2; i++)
{
float weight = compute_gaussian(i + 1.0f, blur_amount);
sampleWeights[i * 2 + 1] = weight;
sampleWeights[i * 2 + 2] = weight;
totalWeights += weight * 2;
float sampleOffset = i * 2 + 1.5f;
CL_Vec2f delta = CL_Vec2f(dx * sampleOffset, dy * sampleOffset);
sampleOffsets[i * 2 + 1] = delta;
sampleOffsets[i * 2 + 2] = CL_Vec2f(-delta.x, -delta.y);
}
for (int i = 0; i < sampleCount; i++)
{
sampleWeights[i] /= totalWeights;
}
program_object.set_uniform1i("SourceTexture", 0);
program_object.set_uniformfv("SampleOffsets", 2, sampleCount, (float *)sampleOffsets);
program_object.set_uniformfv("SampleWeights", 1, sampleCount, sampleWeights);
gc.set_texture(0, source_texture);
gc.set_program_object(program_object, cl_program_matrix_modelview_projection);
draw_texture(gc, CL_Rectf(0,0,gc.get_width(),gc.get_height()), CL_Colorf::white, CL_Rectf(0.0f, 0.0f, 1.0f, 1.0f));
gc.reset_program_object();
gc.reset_texture(0);
}
void CL_Draw::box(CL_GraphicContext &gc, float x1, float y1, float x2, float y2, const CL_Colorf &color)
{
CL_Vec2f positions[4] =
{
CL_Vec2f(x1, y1),
CL_Vec2f(x2, y1),
CL_Vec2f(x2, y2),
CL_Vec2f(x1, y2)
};
CL_PrimitivesArray prim_array(gc);
prim_array.set_attributes(0, positions);
prim_array.set_attribute(1, color);
gc.set_program_object(cl_program_color_only);
gc.draw_primitives(cl_line_loop, 4, prim_array);
gc.reset_program_object();
}
void Skybox::render(CL_GraphicContext &gc, const Camera &camera)
{
Camera cam = camera;
cam.get_position().set_position(0,0,0);
cam.setup_gc(gc, 0.1f, 10.0f);
gc.set_texture(0, skybox_texture);
gc.set_program_object(program_object);
program_object.set_uniform1i(("texture1"), 0);
CL_PrimitivesArray prim_array(gc);
prim_array.set_attributes(0, positions);
gc.draw_primitives(cl_triangles, 6*6, prim_array);
gc.reset_program_object();
gc.reset_texture(0);
}
void HSVSpriteBatch::flush(CL_GraphicContext &gc)
{
if (fill_position > 0)
{
CL_PrimitivesArray primarray(gc);
primarray.set_attributes(0, positions);
primarray.set_attributes(1, hue_offsets);
primarray.set_attributes(2, tex1_coords);
gc.set_texture(0, current_texture);
gc.set_program_object(program, cl_program_matrix_modelview_projection);
gc.draw_primitives(cl_triangles, fill_position, primarray);
gc.reset_program_object();
gc.reset_texture(0);
fill_position = 0;
current_texture = CL_Texture();
}
}
void App::render_depth_buffer(CL_GraphicContext &gc)
{
gc.set_map_mode(cl_user_projection);
gc.set_viewport(scene.gs->texture_depth.get_size());
gc.set_projection(scene.gs->camera_projection);
CL_BufferControl buffer_control;
buffer_control.set_depth_compare_function(cl_comparefunc_lequal);
buffer_control.enable_depth_write(true);
buffer_control.enable_depth_test(true);
buffer_control.enable_stencil_test(false);
buffer_control.enable_color_write(false);
gc.set_buffer_control(buffer_control);
CL_Mat4f modelview_matrix = scene.gs->camera_modelview;
scene.Draw(modelview_matrix, gc);
gc.reset_program_object();
}
void ShaderImpl::end(CL_GraphicContext &p_gc)
{
G_ASSERT(m_initialized);
G_ASSERT(m_began);
// detach frame buffer
p_gc.reset_frame_buffer();
m_frameBuffer.detach_color_buffer(0, m_texture);
// prepare shader
m_program.set_uniform1i("tex", 0);
m_program.set_uniform1i("textureWidth", m_drawRect.get_width());
m_program.set_uniform1i("textureHeight", m_drawRect.get_height());
m_parent->setUniforms(m_program);
// draw texture using shader
p_gc.set_modelview(CL_Mat4f::identity());
p_gc.mult_translate(m_drawRect.left, m_drawRect.top);
p_gc.mult_scale(m_drawRect.get_width(), m_drawRect.get_height());
p_gc.set_texture(0, m_texture);
p_gc.set_program_object(m_program);
p_gc.draw_primitives(cl_quads, 4, m_quad);
p_gc.reset_program_object();
p_gc.reset_texture(0);
#if defined(DRAW_WIREFRAME)
CL_Draw::line(p_gc, 0, 0, 1, 0, CL_Colorf::red);
CL_Draw::line(p_gc, 1, 0, 1, 1, CL_Colorf::red);
CL_Draw::line(p_gc, 1, 1, 0, 1, CL_Colorf::red);
CL_Draw::line(p_gc, 0, 1, 0, 0, CL_Colorf::red);
#endif // DRAW_WIREFRAME
// reset modelview matrix
p_gc.pop_modelview();
m_began = false;
}
void App::render_night_vision(CL_GraphicContext &gc, CL_Texture &source_texture, CL_Texture &mask_texture, CL_Texture &noise_texture, CL_ProgramObject &program_object)
{
program_object.set_uniform1i("sceneBuffer", 0);
program_object.set_uniform1i("noiseTex", 1);
program_object.set_uniform1i("maskTex", 2);
program_object.set_uniform1f("elapsedTime", elapsedTime);
program_object.set_uniform1f("luminanceThreshold", luminanceThreshold);
program_object.set_uniform1f("colorAmplification", colorAmplification);
program_object.set_uniform1f("effectCoverage", effectCoverage);
gc.set_texture(0, source_texture);
gc.set_texture(1, noise_texture);
gc.set_texture(2, mask_texture);
gc.set_program_object(program_object, cl_program_matrix_modelview_projection);
draw_texture(gc, CL_Rectf(0,0,gc.get_width(),gc.get_height()), CL_Colorf::white, CL_Rectf(0.0f, 0.0f, 1.0f, 1.0f));
gc.reset_program_object();
gc.reset_texture(2);
gc.reset_texture(1);
gc.reset_texture(0);
}
void HSV::render_texture(CL_GraphicContext &gc, CL_ProgramObject &program, CL_Texture &texture, float hue_offset)
{
CL_Rectf rect(0.0f, 0.0f, (float)gc.get_width(), (float)gc.get_height());
CL_Rectf texture_unit1_coords(0.0f, 0.0f, 1.0f, 1.0f);
CL_Vec2f positions[6] =
{
CL_Vec2f(rect.left, rect.top),
CL_Vec2f(rect.right, rect.top),
CL_Vec2f(rect.left, rect.bottom),
CL_Vec2f(rect.right, rect.top),
CL_Vec2f(rect.left, rect.bottom),
CL_Vec2f(rect.right, rect.bottom)
};
CL_Vec2f tex1_coords[6] =
{
CL_Vec2f(texture_unit1_coords.left, texture_unit1_coords.top),
CL_Vec2f(texture_unit1_coords.right, texture_unit1_coords.top),
CL_Vec2f(texture_unit1_coords.left, texture_unit1_coords.bottom),
CL_Vec2f(texture_unit1_coords.right, texture_unit1_coords.top),
CL_Vec2f(texture_unit1_coords.left, texture_unit1_coords.bottom),
CL_Vec2f(texture_unit1_coords.right, texture_unit1_coords.bottom)
};
CL_PrimitivesArray primarray(gc);
primarray.set_attributes(0, positions);
primarray.set_attribute(1, CL_Vec1f(hue_offset));
primarray.set_attributes(2, tex1_coords);
gc.set_texture(0, texture);
gc.set_program_object(program, cl_program_matrix_modelview_projection);
gc.draw_primitives(cl_triangles, 6, primarray);
gc.reset_program_object();
gc.reset_texture(0);
}
// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
quit = false;
CL_GL1WindowDescription desc;
desc.set_title("ClanLib Object 3D Example");
desc.set_size(CL_Size(640, 480), 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
// 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();
#ifdef USE_OPENGL_1
CL_GraphicContext_GL1 gc_gl1 = gc;
#endif
// 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);
CL_BufferControl buffer_control;
buffer_control.enable_depth_test(true);
buffer_control.set_depth_compare_function(cl_comparefunc_lequal);
buffer_control.enable_depth_write(true);
gc.set_buffer_control(buffer_control);
#ifdef USE_OPENGL_1
// Set the lights
CL_LightModel_GL1 light_model;
light_model.enable_lighting(true);
light_model.set_flat_shading(false);
light_model.set_scene_ambient_light(CL_Colorf(0.2f, 0.2f, 0.2f, 1.0f));
gc_gl1.set_light_model(light_model);
CL_LightSource_GL1 light_distant;
light_distant.set_spot_cutoff(180.0f);
light_distant.set_diffuse_intensity(CL_Colorf(1.0f, 1.0f, 1.0f, 1.0f));
light_distant.set_position(CL_Vec4f(0.0f, -2.0f, 30.0f, 0.0f).normalize3());
gc_gl1.set_light(0, light_distant);
cl1Enable(GL_NORMALIZE);
#endif
#ifdef USE_OPENGL_2
Shader shader(gc);
#endif
// Create the objects
aiSetImportPropertyFloat(AI_CONFIG_PP_GSN_MAX_SMOOTHING_ANGLE,89.53f);
const struct aiScene* scene_teapot = aiImportFile("../Clan3D/Resources/teapot.dae",aiProcessPreset_TargetRealtime_MaxQuality);
if (!scene_teapot)
throw CL_Exception("Cannot load the teapot model");
const struct aiScene* scene_clanlib = aiImportFile("../Clan3D/Resources/clanlib.dae",aiProcessPreset_TargetRealtime_MaxQuality);
if (!scene_clanlib)
throw CL_Exception("Cannot load the clanlib model");
const struct aiScene* scene_tuxball = aiImportFile("../Clan3D/Resources/tux_ball.dae",aiProcessPreset_TargetRealtime_MaxQuality | aiProcess_FlipUVs);
if (!scene_tuxball)
throw CL_Exception("Cannot load the tux ball model");
// Load the texture
CL_Texture tux(gc, "../Clan3D/Resources/tux.png");
float angle = 0.0f;
// Run until someone presses escape
while (!quit)
{
CL_Mat4f perp = CL_Mat4f::perspective(45.0f, ((float) gc.get_width()) / ((float) gc.get_height()), 0.1f, 1000.0f);
gc.set_projection(perp);
gc.clear(CL_Colorf::black);
gc.clear_depth(1.0f);
angle += 1.0f;
if (angle >= 360.0f)
angle -= 360.0f;
#ifdef USE_OPENGL_2
shader.Set(gc);
shader.Use(gc);
#else
gc.set_program_object(cl_program_color_only);
#endif
CL_PrimitivesArray prim_array(gc);
gc.set_modelview(CL_Mat4f::identity());
gc.mult_scale(1.0f,1.0f, -1.0f); // So +'ve Z goes into the screen
gc.mult_translate(0.0f, 0.0f, 2.0f);
gc.mult_rotate(CL_Angle(angle, cl_degrees), 0.0f, 1.0f, 0.0f, false);
gc.push_modelview();
recursive_render(gc, scene_teapot, scene_teapot->mRootNode, false);
gc.pop_modelview();
gc.push_modelview();
gc.mult_scale(0.5f, 0.5f, 0.5f);
gc.mult_translate(0.0f, -0.5f, 0.0f);
recursive_render(gc, scene_clanlib, scene_clanlib->mRootNode, false);
gc.pop_modelview();
#ifdef USE_OPENGL_2
shader.Set(gc, 0);
shader.Use(gc);
#else
gc.set_program_object(cl_program_single_texture);
#endif
gc.set_texture(0, tux);
gc.set_modelview(CL_Mat4f::identity());
gc.mult_scale(1.0f,1.0f, -1.0f); // So +'ve Z goes into the screen
gc.mult_translate(0.7f, 0.5f, 2.0f);
gc.mult_scale(0.05f, 0.05f, 0.05f);
gc.mult_rotate(CL_Angle(angle * 4.0f, cl_degrees), 0.0f, 1.0f, 0.0f, false);
recursive_render(gc, scene_tuxball, scene_tuxball->mRootNode, true);
gc.reset_texture(0);
gc.reset_program_object();
// 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();
}
aiReleaseImport(scene_tuxball);
aiReleaseImport(scene_clanlib);
aiReleaseImport(scene_teapot);
aiDetachAllLogStreams();
return 0;
}
void ContainerRenderer::render(CL_GraphicContext& gc) {
renderQueue_->preRender();
gc.clear(CL_Colorf(0.f, 0.f, 0.f, 0.f));
boost::shared_ptr<CL_ProgramObject> shader = ui::Manager::getShaderManager()->getGumpShader();
gc.set_program_object(*shader, cl_program_matrix_modelview_projection);
CL_Texture huesTexture = data::Manager::getHuesLoader()->getHuesTexture();
gc.set_texture(0, huesTexture);
// set texture unit 1 active to avoid overriding the hue texture with newly loaded object textures
gc.set_texture(1, huesTexture);
shader->set_uniform1i("HueTexture", 0);
shader->set_uniform1i("ObjectTexture", 1);
RenderQueue::const_iterator igIter = renderQueue_->begin();
RenderQueue::const_iterator igEnd = renderQueue_->end();
CL_Vec2f vertexCoords[6];
bool renderingComplete = true;
// draw background container texture
boost::shared_ptr<ui::Texture> bgTex = containerView_->getBackgroundTexture();
if (bgTex && bgTex->isReadComplete()) {
CL_Vec3f hueInfo(0, 0, 1);
CL_Rectf rect(0, 0, CL_Sizef(bgTex->getWidth(), bgTex->getHeight()));
vertexCoords[0] = CL_Vec2f(rect.left, rect.top);
vertexCoords[1] = CL_Vec2f(rect.right, rect.top);
vertexCoords[2] = CL_Vec2f(rect.left, rect.bottom);
vertexCoords[3] = CL_Vec2f(rect.right, rect.top);
vertexCoords[4] = CL_Vec2f(rect.left, rect.bottom);
vertexCoords[5] = CL_Vec2f(rect.right, rect.bottom);
CL_Rectf texCoordHelper = bgTex->getNormalizedTextureCoords();
CL_Vec2f texCoords[6] = {
CL_Vec2f(texCoordHelper.left, texCoordHelper.top),
CL_Vec2f(texCoordHelper.right, texCoordHelper.top),
CL_Vec2f(texCoordHelper.left, texCoordHelper.bottom),
CL_Vec2f(texCoordHelper.right, texCoordHelper.top),
CL_Vec2f(texCoordHelper.left, texCoordHelper.bottom),
CL_Vec2f(texCoordHelper.right, texCoordHelper.bottom)
};
CL_PrimitivesArray primarray(gc);
primarray.set_attributes(0, vertexCoords);
primarray.set_attributes(1, texCoords);
primarray.set_attribute(2, hueInfo);
gc.set_texture(1, bgTex->getTexture());
gc.draw_primitives(cl_triangles, 6, primarray);
} else {
renderingComplete = false;
}
for (; igIter != igEnd; ++igIter) {
boost::shared_ptr<world::IngameObject> curObj = *igIter;
// just items in a container
if (!curObj->isDynamicItem()) {
continue;
}
// check if texture is ready to be drawn
boost::shared_ptr<ui::Texture> tex = curObj->getIngameTexture();
if (!tex) {
continue;
}
if (!tex->isReadComplete()) {
renderingComplete = false;
continue;
}
CL_Rectf rect(curObj->getLocXDraw(), curObj->getLocYDraw(), CL_Sizef(tex->getWidth(), tex->getHeight()));
vertexCoords[0] = CL_Vec2f(rect.left, rect.top);
vertexCoords[1] = CL_Vec2f(rect.right, rect.top);
vertexCoords[2] = CL_Vec2f(rect.left, rect.bottom);
vertexCoords[3] = CL_Vec2f(rect.right, rect.top);
vertexCoords[4] = CL_Vec2f(rect.left, rect.bottom);
vertexCoords[5] = CL_Vec2f(rect.right, rect.bottom);
CL_Rectf texCoordHelper = tex->getNormalizedTextureCoords();
CL_Vec2f texCoords[6] = {
CL_Vec2f(texCoordHelper.left, texCoordHelper.top),
CL_Vec2f(texCoordHelper.right, texCoordHelper.top),
CL_Vec2f(texCoordHelper.left, texCoordHelper.bottom),
CL_Vec2f(texCoordHelper.right, texCoordHelper.top),
CL_Vec2f(texCoordHelper.left, texCoordHelper.bottom),
CL_Vec2f(texCoordHelper.right, texCoordHelper.bottom)
};
CL_PrimitivesArray primarray(gc);
primarray.set_attributes(0, vertexCoords);
primarray.set_attributes(1, texCoords);
primarray.set_attribute(2, curObj->getHueInfo(false));
gc.set_texture(1, tex->getTexture());
gc.draw_primitives(cl_triangles, 6, primarray);
}
gc.reset_textures();
gc.reset_program_object();
renderQueue_->postRender(renderingComplete);
if (!renderingComplete) {
ui::Manager::getSingleton()->queueComponentRepaint(containerView_);
}
}
// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
CL_OpenGLWindowDescription win_desc;
//win_desc.set_version(3, 2, false);
win_desc.set_allow_resize(true);
win_desc.set_title("Point Sprite Example");
win_desc.set_size(CL_Size( 800, 480 ), false);
CL_DisplayWindow window(win_desc);
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
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);
CL_GraphicContext gc = window.get_gc();
// Deleted automatically by the GUI
Options *options = new Options(gui, CL_Rect(0, 0, gc.get_size()));
CL_Image image_grid(gc, "../Blend/Resources/grid.png");
CL_Texture texture_particle(gc, "Resources/particle.png");
float grid_width = (float) image_grid.get_width();
float grid_height = (float) image_grid.get_height();
grid_space = (float) (image_grid.get_width());
setup_particles();
CL_ShaderObject vertex_shader(gc, cl_shadertype_vertex, text_shader_vertex);
if(!vertex_shader.compile())
{
throw CL_Exception(cl_format("Unable to compile vertex shader object: %1", vertex_shader.get_info_log()));
}
CL_ShaderObject fragment_shader(gc, cl_shadertype_fragment, text_shader_fragment);
if(!fragment_shader.compile())
{
throw CL_Exception(cl_format("Unable to compile fragment shader object: %1", fragment_shader.get_info_log()));
}
CL_ProgramObject program_object(gc);
program_object.attach(vertex_shader);
program_object.attach(fragment_shader);
program_object.bind_attribute_location(0, "InPosition");
program_object.bind_attribute_location(1, "InColor");
if (!program_object.link())
{
throw CL_Exception(cl_format("Unable to link program object: %1", program_object.get_info_log()));
}
options->request_repaint();
unsigned int time_last = CL_System::get_time();
while (!quit)
{
unsigned int time_now = CL_System::get_time();
float time_diff = (float) (time_now - time_last);
time_last = time_now;
wm.process();
wm.draw_windows(gc);
int num_particles = options->num_particles;
if (num_particles > max_particles)
num_particles = max_particles;
move_particles(time_diff, num_particles);
const float grid_xpos = 10.0f;
const float grid_ypos = 10.0f;
// Draw the grid
image_grid.draw(gc, grid_xpos, grid_ypos);
if (num_particles > 0)
{
std::vector<CL_Vec2f> positions;
std::vector<CL_Vec4f> colors;
positions.resize(num_particles);
colors.resize(num_particles);
for (int cnt=0; cnt<num_particles; cnt++)
{
positions[cnt] = CL_Vec2f(grid_xpos + particles[cnt].xpos, grid_ypos + particles[cnt].ypos);
switch (cnt % 3)
{
case 0:
colors[cnt] = CL_Vec4f(1.0f, 0.0f, 0.0f, 1.0f);
break;
case 1:
colors[cnt] = CL_Vec4f(0.0f, 1.0f, 0.0f, 1.0f);
break;
case 2:
colors[cnt] = CL_Vec4f(0.0f, 0.0f, 1.0f, 1.0f);
break;
}
};
CL_BlendMode blend;
blend.enable_blending(true);
blend.set_blend_function(cl_blend_src_alpha, cl_blend_one, cl_blend_src_alpha, cl_blend_one);
gc.set_blend_mode(blend);
CL_Pen pen;
pen.enable_point_sprite(true);
pen.set_point_size(options->point_size);
pen.set_point_sprite_origin(cl_point_sprite_origin_upper_left);
gc.set_pen(pen);
program_object.set_uniform1i("Texture0", 0);
gc.set_texture(0, texture_particle);
CL_PrimitivesArray prim_array(gc);
prim_array.set_attributes(0, &positions[0]);
prim_array.set_attributes(1, &colors[0]);
gc.set_program_object(program_object);
gc.draw_primitives(cl_points, num_particles, prim_array);
gc.reset_program_object();
gc.reset_texture(0);
gc.reset_blend_mode();
gc.reset_pen();
}
window.flip(1);
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;
}
// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
CL_DisplayWindowDescription win_desc;
win_desc.set_allow_resize(true);
win_desc.set_title("Vertex Buffer Object Example");
win_desc.set_depth_size(16);
win_desc.set_size(CL_Size( 800, 600 ), false);
CL_DisplayWindow window(win_desc);
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
CL_GraphicContext gc = window.get_gc();
Shader shader(gc);
// 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);
CL_BufferControl buffer_control;
buffer_control.enable_depth_test(true);
buffer_control.set_depth_compare_function(cl_comparefunc_lequal);
buffer_control.enable_depth_write(true);
gc.set_buffer_control(buffer_control);
std::vector<CL_Vec3f> object_positions;
std::vector<CL_Vec3f> object_normals;
std::vector<CL_Vec4f> object_material_ambient;
const int num_cubes = 20000;
object_positions.reserve(num_cubes * 6 * 6); // 6 faces, and 6 vertices per face
object_normals.reserve(num_cubes * 6 * 6);
object_material_ambient.reserve(num_cubes * 6 * 6);
for (int cnt=0; cnt < num_cubes; cnt++)
{
create_cube(object_positions, object_normals, object_material_ambient);
}
CL_VertexArrayBuffer vb_positions(gc, &object_positions[0], sizeof(CL_Vec3f) * object_positions.size());
CL_VertexArrayBuffer vb_normals(gc, &object_normals[0], sizeof(CL_Vec3f) * object_normals.size());
CL_VertexArrayBuffer vb_material_ambient(gc, &object_material_ambient[0], sizeof(CL_Vec4f) * object_material_ambient.size());
// ** Note, at this point "object_positions, object_normals and object_material_ambient"
// ** can be destroyed. But for the purpose of this example, is it kept
CL_Font fps_font(gc, "tahoma", 20);
FramerateCounter frameratecounter;
unsigned int time_last = CL_System::get_time();
float angle = 0.0f;
is_vertex_buffer_on = true;
while (!quit)
{
unsigned int time_now = CL_System::get_time();
float time_diff = (float) (time_now - time_last);
time_last = time_now;
gc.clear(CL_Colorf(0.0f, 0.0f, 0.0f, 1.0f));
gc.clear_depth(1.0f);
gc.set_map_mode(cl_map_2d_upper_left);
CL_String fps = cl_format("%1 fps", frameratecounter.get_framerate());
fps_font.draw_text(gc, gc.get_width() - 100, 30, fps);
CL_String info = cl_format("%1 vertices", (int) object_positions.size());
fps_font.draw_text(gc, 30, 30, info);
fps_font.draw_text(gc, 30, gc.get_height() - 8, "Press any key to toggle the Vertex Buffer option");
if (is_vertex_buffer_on)
{
fps_font.draw_text(gc, 200, 30, "Vertex Buffer = ON");
}
else
{
fps_font.draw_text(gc, 200, 30, "Vertex Buffer = OFF");
}
gc.set_map_mode(cl_user_projection);
CL_Mat4f perp = CL_Mat4f::perspective(45.0f, ((float) gc.get_width()) / ((float) gc.get_height()), 0.1f, 100000.0f);
gc.set_projection(perp);
angle += time_diff / 20.0f;
if (angle >= 360.0f)
angle -= 360.0f;
gc.push_modelview();
gc.set_modelview(CL_Mat4f::identity());
gc.mult_scale(1.0f,1.0f, -1.0f); // So +'ve Z goes into the screen
gc.mult_translate(0.0f, 0.0f, 800.0f);
gc.mult_rotate(CL_Angle(angle*2.0f, cl_degrees), 0.0f, 1.0f, 0.0f, false);
gc.mult_rotate(CL_Angle(angle, cl_degrees), 1.0f, 0.0f, 0.0f, false);
shader.Set(gc);
shader.Use(gc);
CL_PrimitivesArray prim_array(gc);
if (is_vertex_buffer_on)
{
prim_array.set_attributes(0, vb_positions, 3, cl_type_float, (void *) 0);
prim_array.set_attributes(1, vb_normals, 3, cl_type_float, (void *) 0);
prim_array.set_attributes(2, vb_material_ambient, 4, cl_type_float, (void *) 0);
}
else
{
prim_array.set_attributes(0, &object_positions[0]);
prim_array.set_attributes(1, &object_normals[0]);
prim_array.set_attributes(2, &object_material_ambient[0]);
}
gc.draw_primitives(cl_triangles, object_positions.size(), prim_array);
gc.pop_modelview();
gc.reset_program_object();
window.flip(0);
frameratecounter.frame_shown();
CL_KeepAlive::process();
}
return 0;
}
void CL_Draw::gradient_circle(CL_GraphicContext &gc, const CL_Pointf ¢er, const CL_Pointf ¢ergradient, float radius, const CL_Gradient &gradient)
{
float offset_x = 0;
float offset_y = 0;
if(radius < 4)
radius = 4;
float rotationcount = (radius - 3);
float halfpi = 1.5707963267948966192313216916398f;
float turn = halfpi / rotationcount;
if(center.distance(center + centergradient) < radius)
{
offset_x = centergradient.x;
offset_y = -centergradient.y;
}
CL_Vec4f colors[3] =
{
CL_Vec4f(gradient.top_left.get_red(), gradient.top_left.get_green(), gradient.top_left.get_blue(), gradient.top_left.get_alpha()),
CL_Vec4f(gradient.bottom_right.get_red(), gradient.bottom_right.get_green(), gradient.bottom_right.get_blue(), gradient.bottom_right.get_alpha()),
CL_Vec4f(gradient.bottom_right.get_red(), gradient.bottom_right.get_green(), gradient.bottom_right.get_blue(), gradient.bottom_right.get_alpha())
};
CL_Vec4f triangle_colors[4*3];
for (int i=0; i<3; i++)
{
triangle_colors[0*3+i] = colors[i];
triangle_colors[1*3+i] = colors[i];
triangle_colors[2*3+i] = colors[i];
triangle_colors[3*3+i] = colors[i];
}
for(float i = 0; i < rotationcount ; i++)
{
float pos1 = cos(i * turn);
float pos2 = sin(i * turn);
float pos3 = cos((i+1) * turn);
float pos4 = sin((i+1) * turn);
CL_Vec2f positions[4*3] =
{
// 90 triangle:
CL_Vec2f(center.x + offset_x , center.y + offset_y),
CL_Vec2f(center.x + ((float)radius * pos1), center.y + ((float)radius * pos2)),
CL_Vec2f(center.x + ((float)radius * pos3), center.y + ((float)radius * pos4)),
// 0 triangle:
CL_Vec2f(center.x + offset_x , center.y + offset_y),
CL_Vec2f(center.x + ((float)radius * pos2), center.y - ((float)radius * pos1)),
CL_Vec2f(center.x + ((float)radius * pos4), center.y - ((float)radius * pos3)),
// 270 triangle:
CL_Vec2f(center.x + offset_x , center.y + offset_y),
CL_Vec2f(center.x - ((float)radius * pos1), center.y - ((float)radius * pos2)),
CL_Vec2f(center.x - ((float)radius * pos3), center.y - ((float)radius * pos4)),
// 180 triangle:
CL_Vec2f(center.x + offset_x , center.y + offset_y),
CL_Vec2f(center.x - ((float)radius * pos2), center.y + ((float)radius * pos1)),
CL_Vec2f(center.x - ((float)radius * pos4), center.y + ((float)radius * pos3))
};
CL_PrimitivesArray prim_array(gc);
prim_array.set_attributes(0, positions);
prim_array.set_attributes(1, triangle_colors);
gc.set_program_object(cl_program_color_only);
gc.draw_primitives(cl_triangles, 4*3, prim_array);
gc.reset_program_object();
}
}
