124 lines
4.7 KiB
C++
124 lines
4.7 KiB
C++
/* Copyright (c) 2021-2025, Arm Limited and Contributors
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 the "License";
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "rendering/render_pipeline.h"
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#include "rendering/subpasses/forward_subpass.h"
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#include "scene_graph/components/camera.h"
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#include "timer.h"
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#include "vulkan_sample.h"
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/**
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* @brief Using multiple queues to achieve more parallelism on the GPU
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*/
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class AsyncComputeSample : public vkb::VulkanSampleC
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{
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public:
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AsyncComputeSample();
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virtual ~AsyncComputeSample() = default;
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virtual void request_gpu_features(vkb::PhysicalDevice &gpu) override;
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virtual bool prepare(const vkb::ApplicationOptions &options) override;
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virtual void update(float delta_time) override;
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virtual void finish() override;
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private:
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vkb::sg::Camera *camera{nullptr};
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vkb::sg::Camera *shadow_camera{nullptr};
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virtual void draw_gui() override;
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std::chrono::system_clock::time_point start_time;
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void render_shadow_pass();
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VkSemaphore render_forward_offscreen_pass(VkSemaphore hdr_wait_semaphore);
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VkSemaphore render_compute_post(VkSemaphore wait_graphics_semaphore, VkSemaphore wait_present_semaphore);
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VkSemaphore render_swapchain(VkSemaphore post_semaphore);
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void setup_queues();
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void prepare_render_targets();
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std::unique_ptr<vkb::RenderTarget> forward_render_targets[2];
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std::unique_ptr<vkb::RenderTarget> shadow_render_target;
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vkb::RenderPipeline shadow_render_pipeline;
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vkb::RenderPipeline forward_render_pipeline;
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std::unique_ptr<vkb::core::Sampler> comparison_sampler;
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std::unique_ptr<vkb::core::Sampler> linear_sampler;
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std::vector<std::unique_ptr<vkb::core::Image>> blur_chain;
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std::vector<std::unique_ptr<vkb::core::ImageView>> blur_chain_views;
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vkb::PipelineLayout *threshold_pipeline{nullptr};
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vkb::PipelineLayout *blur_down_pipeline{nullptr};
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vkb::PipelineLayout *blur_up_pipeline{nullptr};
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const vkb::Queue *early_graphics_queue{nullptr};
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const vkb::Queue *present_graphics_queue{nullptr};
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const vkb::Queue *post_compute_queue{nullptr};
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VkSemaphore hdr_wait_semaphores[2]{};
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VkSemaphore compute_post_semaphore{};
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bool async_enabled{false};
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bool rotate_shadows{true};
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bool last_async_enabled{false};
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bool double_buffer_hdr_frames{false};
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unsigned forward_render_target_index{};
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struct DepthMapSubpass : vkb::ForwardSubpass
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{
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DepthMapSubpass(vkb::RenderContext &render_context,
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vkb::ShaderSource &&vertex_shader, vkb::ShaderSource &&fragment_shader,
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vkb::sg::Scene &scene, vkb::sg::Camera &camera);
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virtual void draw(vkb::core::CommandBufferC &command_buffer) override;
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};
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struct ShadowMapForwardSubpass : vkb::ForwardSubpass
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{
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ShadowMapForwardSubpass(vkb::RenderContext &render_context,
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vkb::ShaderSource &&vertex_shader, vkb::ShaderSource &&fragment_shader,
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vkb::sg::Scene &scene, vkb::sg::Camera &camera, vkb::sg::Camera &shadow_camera);
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void set_shadow_map(const vkb::core::ImageView *view, const vkb::core::Sampler *sampler);
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virtual void draw(vkb::core::CommandBufferC &command_buffer) override;
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const vkb::core::ImageView *shadow_view{nullptr};
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const vkb::core::Sampler *shadow_sampler{nullptr};
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vkb::sg::Camera &shadow_camera;
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};
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struct CompositeSubpass : vkb::rendering::SubpassC
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{
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CompositeSubpass(vkb::RenderContext &render_context,
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vkb::ShaderSource &&vertex_shader, vkb::ShaderSource &&fragment_shader);
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void set_texture(const vkb::core::ImageView *hdr_view, const vkb::core::ImageView *bloom_view,
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const vkb::core::Sampler *sampler);
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virtual void draw(vkb::core::CommandBufferC &command_buffer) override;
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virtual void prepare() override;
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const vkb::core::ImageView *hdr_view{nullptr};
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const vkb::core::ImageView *bloom_view{nullptr};
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const vkb::core::Sampler *sampler{nullptr};
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vkb::PipelineLayout *layout{nullptr};
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};
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vkb::RenderTarget &get_current_forward_render_target();
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};
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std::unique_ptr<vkb::VulkanSampleC> create_async_compute();
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