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();
}
void InstancesBuffer::render_pass(const GraphicContextPtr &gc, SceneImpl *scene, const Mat4f &world_to_eye, const Mat4f &eye_to_projection, FrustumPlanes frustum, const std::function<void(ModelLOD*, int)> &pass_callback)
{
ScopeTimeFunction();
scene->engine()->render.scene_visits++;
std::vector<Model *> models;
scene->foreach_object(frustum, [&](SceneObjectImpl *object)
{
if (object->instance.get_renderer())
{
Vec3f light_probe_color;
if (object->light_probe_receiver())
{
SceneLightProbeImpl *probe = find_nearest_probe(scene, object->position());
if (probe)
light_probe_color = probe->color();
}
scene->engine()->render.instances_drawn++;
bool first_instance = object->instance.get_renderer()->add_instance(frame, object->instance, object->get_object_to_world(), light_probe_color);
if (first_instance)
{
models.push_back(object->instance.get_renderer().get());
scene->engine()->render.models_drawn++;
}
}
});
frame++;
clear();
for (size_t i = 0; i < models.size(); i++)
add(models[i]->get_instance_vectors_count());
lock(gc);
for (size_t i = 0; i < models.size(); i++)
models[i]->upload(*this, world_to_eye, eye_to_projection);
unlock(gc);
gc->set_texture(0, get_indexes());
gc->set_texture(1, get_vectors());
for (Model *model : models)
{
pass_callback(model->levels[0].get(), model->instances.size());
}
// We cannot reset those because GBufferPass::run contains a hack relying on them being bound
//gc->set_texture(0, nullptr);
//gc->set_texture(1, nullptr);
}
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());
}
void LightsourcePass::render(const GraphicContextPtr &gc, GPUTimer &timer)
{
ScopeTimeFunction();
zminmax.viewport = inout.viewport;
zminmax.normal_z = inout.normal_z_gbuffer;
zminmax.minmax(gc);
update_buffers(gc);
//timer.begin_time(gc, "light(cull)");
gc->set_uniform_buffer(0, compute_uniforms);
gc->set_storage_buffer(0, compute_lights);
gc->set_storage_buffer(1, compute_visible_lights);
gc->set_texture(0, zminmax.result);
gc->set_texture(1, inout.normal_z_gbuffer);
gc->set_texture(2, inout.diffuse_color_gbuffer);
gc->set_texture(3, inout.specular_color_gbuffer);
gc->set_texture(4, inout.specular_level_gbuffer);
gc->set_texture(5, inout.shadow_maps);
gc->set_texture(6, inout.self_illumination_gbuffer);
gc->set_image_texture(0, inout.final_color);
gc->set_program_object(cull_tiles_program);
gc->dispatch((num_tiles_x + tile_size - 1) / tile_size, (num_tiles_y + tile_size - 1) / tile_size);
//timer.end_time(gc);
//timer.begin_time(gc, "light(render)");
gc->set_program_object(render_tiles_program);
gc->dispatch(num_tiles_x, num_tiles_y);
gc->reset_image_texture(0);
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(2);
gc->reset_uniform_buffer(1);
gc->reset_uniform_buffer(0);
//timer.end_time(gc);
}
void LightsourceSimplePass::render(const GraphicContextPtr &gc, GPUTimer &timer)
{
ScopeTimeFunction();
//timer.begin_time(gc, "light(simple)");
gc->set_frame_buffer(inout.fb_final_color);
gc->set_viewport(inout.viewport.size(), gc->texture_image_y_axis());
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, inout.normal_z_gbuffer);
gc->set_texture(2, inout.diffuse_color_gbuffer);
gc->set_texture(3, inout.specular_color_gbuffer);
gc->set_texture(4, inout.specular_level_gbuffer);
gc->set_texture(5, inout.shadow_maps);
gc->set_texture(6, inout.self_illumination_gbuffer);
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, type_unsigned_int, 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);
}
void RenderBatchTriangle::flush(const GraphicContextPtr &gc)
{
if (position > 0)
{
gc->set_program_object(program_sprite);
int gpu_index;
VertexArrayVector<SpriteVertex> gpu_vertices(batch_buffer->get_vertex_buffer(gc, gpu_index));
if (!prim_array[gpu_index])
{
prim_array[gpu_index] = PrimitivesArray::create(gc);
prim_array[gpu_index]->set_attributes(0, gpu_vertices, cl_offsetof(SpriteVertex, position));
prim_array[gpu_index]->set_attributes(1, gpu_vertices, cl_offsetof(SpriteVertex, color));
prim_array[gpu_index]->set_attributes(2, gpu_vertices, cl_offsetof(SpriteVertex, texcoord));
prim_array[gpu_index]->set_attributes(3, gpu_vertices, cl_offsetof(SpriteVertex, texindex));
if (!glyph_blend)
{
BlendStateDescription blend_desc;
blend_desc.set_blend_function(blend_constant_color, blend_one_minus_src_color, blend_zero, blend_one);
glyph_blend = gc->create_blend_state(blend_desc);
}
}
gpu_vertices.upload_data(gc, 0, vertices, position);
for (int i = 0; i < num_current_textures; i++)
gc->set_texture(i, current_textures[i]);
#ifdef _DEBUG // Suppress a warning when the D3D debug layer is active (to do: add a boolean on gc that can report if a debug layer is present)
if (num_current_textures > 0)
{
for (int i = num_current_textures; i < max_textures; i++)
gc->set_texture(i, current_textures[0]);
}
#endif
if (use_glyph_program)
{
gc->set_blend_state(glyph_blend, constant_color);
gc->draw_primitives(type_triangles, position, prim_array[gpu_index]);
gc->reset_blend_state();
}
else
{
gc->draw_primitives(type_triangles, position, prim_array[gpu_index]);
}
for (int i = 0; i < num_current_textures; i++)
gc->reset_texture(i);
#ifdef _DEBUG // Suppress a warning when the D3D debug layer is active (to do: add a boolean on gc that can report if a debug layer is present)
if (num_current_textures > 0)
{
for (int i = num_current_textures; i < max_textures; i++)
gc->reset_texture(i);
}
#endif
gc->reset_program_object();
position = 0;
for (int i = 0; i < num_current_textures; i++)
current_textures[i] = Texture2DPtr();
num_current_textures = 0;
}
}