C++ (Cpp) GraphicContextPtr::reset_frame_buffer Examples

Example #1

File: final_pass.cpp Project: dreamsxin/Scene3D

void FinalPass::run(const GraphicContextPtr &gc, SceneImpl *scene)
{
	ScopeTimeFunction();
	//Texture2DPtr &log_average_light_texture = log_average_light.find_log_average_light(gc, lightsource_pass.final_color);

	inout.bloom_contribution->set_min_filter(filter_linear);
	inout.bloom_contribution->set_mag_filter(filter_linear);
	inout.ambient_occlusion->set_min_filter(filter_linear);
	inout.ambient_occlusion->set_mag_filter(filter_linear);
	inout.final_color->set_min_filter(filter_nearest);
	inout.final_color->set_mag_filter(filter_nearest);

	if (inout.fb_viewport) gc->set_frame_buffer(inout.fb_viewport);
	gc->set_viewport(inout.viewport, gc->texture_image_y_axis());
	gc->set_texture(0, inout.final_color);
	gc->set_texture(2, inout.bloom_contribution);
	gc->set_texture(3, inout.ambient_occlusion);
	gc->set_program_object(present_shader);
	gc->set_rasterizer_state(rasterizer_state);
	gc->draw_primitives(type_triangles, 6, rect_primarray);
	gc->reset_program_object();
	gc->reset_texture(0);
	gc->reset_texture(2);
	gc->reset_texture(3);
	gc->reset_frame_buffer();
}

Example #2

File: z_minmax.cpp Project: dreamsxin/Scene3D

void ZMinMax::minmax(const GraphicContextPtr &gc)
{
	update_buffers(gc);

	normal_z->set_min_filter(filter_nearest);
	normal_z->set_mag_filter(filter_nearest);
	normal_z->set_wrap_mode(wrap_clamp_to_edge, wrap_clamp_to_edge);

	gc->set_primitives_array(prim_array);
	gc->set_program_object(program0);
	gc->set_blend_state(blend_state);

	Size texture_size = find_texture_size(normal_z);

	for (int i = 0; i < iterations; i++)
	{
		if (i == 1)
			gc->set_program_object(program1);

		int iteration_width = texture_size.width >> i;
		int iteration_height = texture_size.height >> i;

		gc->set_frame_buffer((i % 2 == 0) ? fb0 : fb1);
		gc->set_viewport(Size(iteration_width, iteration_height), gc->texture_image_y_axis());
		if (i == 0)
			gc->set_texture(0, normal_z);
		else
			gc->set_texture(0, (i % 2 == 0) ? texture1 : texture0);
		gc->draw_primitives_array(type_triangles, 6);
	}

	gc->reset_texture(0);
	gc->reset_program_object();
	gc->reset_primitives_array();
	gc->reset_frame_buffer();
	gc->set_viewport(viewport.size(), gc->texture_image_y_axis());
}