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Vulkan-Samples/samples/extensions/descriptor_indexing/descriptor_indexing.h
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2025-09-04 10:54:47 +08:00

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/* Copyright (c) 2021-2024, 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.
*/
#pragma once
#include "api_vulkan_sample.h"
#include <random>
#include <vector>
class DescriptorIndexing : public ApiVulkanSample
{
public:
DescriptorIndexing();
~DescriptorIndexing();
private:
virtual void request_gpu_features(vkb::PhysicalDevice &gpu) override;
virtual void render(float delta_time) override;
virtual void build_command_buffers() override;
virtual void on_update_ui_overlay(vkb::Drawer &drawer) override;
virtual bool prepare(const vkb::ApplicationOptions &options) override;
void create_bindless_descriptors();
void create_immutable_sampler_descriptor_set();
void create_pipelines();
struct DescriptorHeap
{
VkDescriptorSetLayout set_layout{};
VkDescriptorPool descriptor_pool{};
VkDescriptorSet descriptor_set_update_after_bind{};
VkDescriptorSet descriptor_set_nonuniform{};
} descriptors;
struct ImmutableSampler
{
VkSampler sampler{};
VkDescriptorSetLayout set_layout{};
VkDescriptorPool descriptor_pool{};
VkDescriptorSet descriptor_set{};
} sampler;
struct Pipelines
{
VkPipelineLayout pipeline_layout{};
VkPipeline update_after_bind{};
VkPipeline non_uniform_indexing{};
} pipelines;
struct TestImage
{
VkImage image{};
VkImageView image_view{};
VkDeviceMemory memory{};
};
std::vector<TestImage> test_images;
void create_images();
TestImage create_image(const float rgb[3], unsigned image_seed);
VkPhysicalDeviceDescriptorIndexingPropertiesEXT descriptor_indexing_properties{};
std::default_random_engine rnd{42};
std::uniform_real_distribution<float> distribution{0.0f, 0.1f};
uint32_t descriptor_offset{};
float accumulated_time{};
const VkFormat format = VK_FORMAT_R8G8B8A8_UNORM;
};
std::unique_ptr<vkb::VulkanSampleC> create_descriptor_indexing();