Files
Vulkan-Samples/samples/performance/wait_idle/wait_idle.cpp
T
2025-09-04 10:54:47 +08:00

111 lines
3.3 KiB
C++

/* Copyright (c) 2019-2025, Arm Limited and Contributors
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 the "License";
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "wait_idle.h"
#include "common/vk_common.h"
#include "filesystem/legacy.h"
#include "gltf_loader.h"
#include "gui.h"
#include "rendering/subpasses/forward_subpass.h"
#include "stats/stats.h"
WaitIdle::WaitIdle()
{
auto &config = get_configuration();
config.insert<vkb::IntSetting>(0, wait_idle_enabled, 0);
config.insert<vkb::IntSetting>(1, wait_idle_enabled, 1);
}
bool WaitIdle::prepare(const vkb::ApplicationOptions &options)
{
if (!VulkanSample::prepare(options))
{
return false;
}
// Load a scene from the assets folder
load_scene("scenes/bonza/Bonza.gltf");
// Attach a move script to the camera component in the scene
auto &camera_node = vkb::add_free_camera(get_scene(), "main_camera", get_render_context().get_surface_extent());
camera = dynamic_cast<vkb::sg::PerspectiveCamera *>(&camera_node.get_component<vkb::sg::Camera>());
// Example Scene Render Pipeline
vkb::ShaderSource vert_shader("base.vert.spv");
vkb::ShaderSource frag_shader("base.frag.spv");
auto scene_subpass = std::make_unique<vkb::ForwardSubpass>(get_render_context(), std::move(vert_shader), std::move(frag_shader), get_scene(), *camera);
auto render_pipeline = std::make_unique<vkb::RenderPipeline>();
render_pipeline->add_subpass(std::move(scene_subpass));
set_render_pipeline(std::move(render_pipeline));
// Add a GUI with the stats you want to monitor
get_stats().request_stats({vkb::StatIndex::frame_times});
create_gui(*window, &get_stats());
return true;
}
void WaitIdle::create_render_context()
{
set_render_context(std::make_unique<CustomRenderContext>(get_device(), get_surface(), *window, wait_idle_enabled));
}
WaitIdle::CustomRenderContext::CustomRenderContext(vkb::core::DeviceC &device, VkSurfaceKHR surface, const vkb::Window &window, int &wait_idle_enabled) :
RenderContext(device, surface, window), wait_idle_enabled(wait_idle_enabled)
{}
void WaitIdle::CustomRenderContext::wait_frame()
{
// POI
//
// If wait idle is enabled, wait using vkDeviceWaitIdle
vkb::rendering::RenderFrameC &frame = get_active_frame();
if (wait_idle_enabled)
{
get_device().wait_idle();
}
frame.reset();
}
void WaitIdle::draw_gui()
{
bool landscape = camera->get_aspect_ratio() > 1.0f;
uint32_t lines = landscape ? 1 : 2;
get_gui().show_options_window(
/* body = */ [&]() {
ImGui::RadioButton("Wait Idle", &wait_idle_enabled, 1);
if (landscape)
{
ImGui::SameLine();
}
ImGui::RadioButton("Fences", &wait_idle_enabled, 0);
},
/* lines = */ lines);
}
std::unique_ptr<vkb::VulkanSampleC> create_wait_idle()
{
return std::make_unique<WaitIdle>();
}