152 lines
3.7 KiB
C++
152 lines
3.7 KiB
C++
/* Copyright (c) 2019-2024, Sascha Willems
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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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/*
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* High dynamic range rendering
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*/
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#pragma once
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#include "api_vulkan_sample.h"
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class HDR : public ApiVulkanSample
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{
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public:
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bool bloom = true;
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bool display_skybox = true;
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struct
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{
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Texture envmap;
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} textures;
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struct Models
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{
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std::unique_ptr<vkb::sg::SubMesh> skybox;
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std::vector<std::unique_ptr<vkb::sg::SubMesh>> objects;
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std::vector<glm::mat4> transforms;
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int32_t object_index = 0;
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} models;
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struct
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{
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std::unique_ptr<vkb::core::BufferC> matrices;
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std::unique_ptr<vkb::core::BufferC> params;
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} uniform_buffers;
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struct UBOVS
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{
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glm::mat4 projection;
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glm::mat4 modelview;
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glm::mat4 skybox_modelview;
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glm::mat4 inverse_modelview;
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float modelscale = 0.05f;
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} ubo_vs;
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struct UBOParams
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{
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float exposure = 1.0f;
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} ubo_params;
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struct
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{
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VkPipeline skybox;
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VkPipeline reflect;
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VkPipeline composition;
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VkPipeline bloom[2];
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} pipelines;
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struct
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{
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VkPipelineLayout models;
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VkPipelineLayout composition;
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VkPipelineLayout bloom_filter;
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} pipeline_layouts;
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struct
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{
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VkDescriptorSet object;
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VkDescriptorSet skybox;
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VkDescriptorSet composition;
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VkDescriptorSet bloom_filter;
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} descriptor_sets;
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struct
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{
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VkDescriptorSetLayout models;
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VkDescriptorSetLayout composition;
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VkDescriptorSetLayout bloom_filter;
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} descriptor_set_layouts;
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// Framebuffer for offscreen rendering
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struct FrameBufferAttachment
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{
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VkImage image;
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VkDeviceMemory mem;
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VkImageView view;
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VkFormat format;
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void destroy(VkDevice device)
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{
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vkDestroyImageView(device, view, nullptr);
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vkDestroyImage(device, image, nullptr);
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vkFreeMemory(device, mem, nullptr);
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}
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};
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struct FrameBuffer
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{
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int32_t width, height;
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VkFramebuffer framebuffer;
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FrameBufferAttachment color[2];
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FrameBufferAttachment depth;
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VkRenderPass render_pass;
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VkSampler sampler;
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} offscreen;
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struct
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{
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int32_t width, height;
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VkFramebuffer framebuffer;
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FrameBufferAttachment color[1];
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VkRenderPass render_pass;
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VkSampler sampler;
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} filter_pass;
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std::vector<std::string> object_names;
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HDR();
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~HDR();
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virtual void request_gpu_features(vkb::PhysicalDevice &gpu) override;
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void build_command_buffers() override;
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void create_attachment(VkFormat format, VkImageUsageFlagBits usage, FrameBufferAttachment *attachment);
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void prepare_offscreen_buffer();
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void load_assets();
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void setup_descriptor_pool();
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void setup_descriptor_set_layout();
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void setup_descriptor_sets();
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void prepare_pipelines();
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void prepare_uniform_buffers();
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void update_uniform_buffers();
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void update_params();
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void draw();
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bool prepare(const vkb::ApplicationOptions &options) override;
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virtual void render(float delta_time) override;
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virtual void on_update_ui_overlay(vkb::Drawer &drawer) override;
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virtual bool resize(const uint32_t width, const uint32_t height) override;
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};
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std::unique_ptr<vkb::Application> create_hdr();
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