86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
/* Copyright (c) 2021-2024, Sascha Willems
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Separate samplers and image to draw a single image with different sampling options
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <ktx.h>
|
|
|
|
#include "api_vulkan_sample.h"
|
|
|
|
class SeparateImageSampler : public ApiVulkanSample
|
|
{
|
|
public:
|
|
// Vertex layout for this example
|
|
struct VertexStructure
|
|
{
|
|
float pos[3];
|
|
float uv[2];
|
|
float normal[3];
|
|
};
|
|
|
|
Texture texture;
|
|
|
|
std::array<VkSampler, 2> samplers{};
|
|
int32_t selected_sampler = 0;
|
|
std::array<VkDescriptorSet, 2> sampler_descriptor_sets{};
|
|
|
|
std::unique_ptr<vkb::core::BufferC> vertex_buffer;
|
|
std::unique_ptr<vkb::core::BufferC> index_buffer;
|
|
uint32_t index_count;
|
|
|
|
std::unique_ptr<vkb::core::BufferC> uniform_buffer_vs;
|
|
|
|
struct
|
|
{
|
|
glm::mat4 projection;
|
|
glm::mat4 model;
|
|
glm::vec4 view_pos;
|
|
} ubo_vs;
|
|
|
|
VkPipeline pipeline = VK_NULL_HANDLE;
|
|
VkPipelineLayout pipeline_layout = VK_NULL_HANDLE;
|
|
VkDescriptorSet base_descriptor_set = VK_NULL_HANDLE;
|
|
|
|
VkDescriptorSetLayout base_descriptor_set_layout;
|
|
VkDescriptorSetLayout sampler_descriptor_set_layout;
|
|
|
|
SeparateImageSampler();
|
|
~SeparateImageSampler() override;
|
|
virtual void request_gpu_features(vkb::PhysicalDevice &gpu) override;
|
|
void build_command_buffers() override;
|
|
void setup_samplers();
|
|
void load_assets();
|
|
void draw();
|
|
void generate_quad();
|
|
void setup_descriptor_pool();
|
|
void setup_descriptor_set_layout();
|
|
void setup_descriptor_set();
|
|
void prepare_pipelines();
|
|
void prepare_uniform_buffers();
|
|
void update_uniform_buffers();
|
|
bool prepare(const vkb::ApplicationOptions &options) override;
|
|
virtual void render(float delta_time) override;
|
|
virtual void view_changed() override;
|
|
virtual void on_update_ui_overlay(vkb::Drawer &drawer) override;
|
|
};
|
|
|
|
std::unique_ptr<vkb::Application> create_separate_image_sampler();
|