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xsl
2025-09-16 18:55:32 +08:00
parent ac43d3b0aa
commit fab00f8466
2 changed files with 635 additions and 382 deletions
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samples/api/texture_loading/texture_loading.h
+46 -34
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@@ -1,10 +1,31 @@
#pragma once
/* Copyright (c) 2019-2024, 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.
*/
/*
* Texture loading (and display) example (including mip maps)
*/
#pragma once
#include <ktx.h>
#include "api_vulkan_sample.h"
// 顶点结构保持不变，因为背景 quad 可能不需要顶点缓冲区
// Vertex layout for this example
struct TextureLoadingVertexStructure
{
float pos[3];
@@ -15,6 +36,8 @@ struct TextureLoadingVertexStructure
class TextureLoading : public ApiVulkanSample
{
public:
// Contains all Vulkan objects that are required to store and use a texture
// Note that this repository contains a texture class (vulkan_texture.h) that encapsulates texture loading functionality in a class that is used in subsequent demos
struct Texture
{
VkSampler sampler;
@@ -27,7 +50,7 @@ public:
};
Texture texture = { 0 };
Texture cam_text = { 0 }; // 将由外部函数初始化
Texture cam_text = { 0 };
std::unique_ptr<vkb::core::BufferC> vertex_buffer;
std::unique_ptr<vkb::core::BufferC> index_buffer;
@@ -45,56 +68,45 @@ public:
struct
{
VkPipeline solid; // 原有前景管线
VkPipeline background; // 新增背景管线
VkPipeline solid;
VkPipeline background;
} pipelines;
// 管线布局
VkPipelineLayout pipeline_layout; // 前景管线布局
VkPipelineLayout pipeline_layout_bg; // 背景管线布局
// 描述符集
VkDescriptorSet descriptor_set; // 前景描述符集
VkDescriptorSet descriptor_set_bg; // 背景描述符集
// 描述符集布局
VkDescriptorSetLayout descriptor_set_layout; // 前景描述符集布局
VkDescriptorSetLayout descriptor_set_layout_bg; // 背景描述符集布局 (仅包含 combined image sampler)
static TextureLoading* Get() {
return loadTextIns;
}
static TextureLoading* loadTextIns;
VkPipelineLayout pipeline_layout;
VkPipelineLayout pipeline_layout_bg;
VkDescriptorSet descriptor_set;
VkDescriptorSetLayout descriptor_set_layout;
TextureLoading();
~TextureLoading();
virtual void request_gpu_features(vkb::PhysicalDevice& gpu) override;
void load_texture();
void destroy_texture(Texture texture);
void build_command_buffers() override;
void draw();
void generate_quad(); // 生成前景 quad
void generate_quad();
void setup_descriptor_pool();
void setup_descriptor_set_layout();
void setup_descriptor_set_layout_bg(); // 新增：设置背景描述符集布局
void setup_descriptor_set_layout_bg();
void setup_descriptor_set();
void setup_descriptor_set_bg(); // 新增：设置背景描述符集
void prepare_pipelines();
void prepare_pipeline_bg(); // 新增：准备背景管线
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;
void destroy_texture(Texture texture);
// 现有函数保持不变
void processWithVulkan(uint8_t* data, int width, int height, int format, int rowStride, size_t dataSize, Texture& out_texture);
void createTexture(VkDevice device, VkPhysicalDevice physicalDevice, int width, int height, int format, Texture& texture);
void updateTexture(VkDevice device, VkPhysicalDevice physicalDevice, VkCommandPool commandPool, VkQueue queue, uint8_t* data, int width, int height, int rowStride, size_t dataSize, Texture& texture);
uint32_t findMemoryType(VkPhysicalDevice physicalDevice, uint32_t typeFilter, VkMemoryPropertyFlags properties);
void processWithVulkan(uint8_t* data, int width, int height, int rowStride, size_t dataSize, Texture& out_texture);
void createTexture(VkDevice device, VkPhysicalDevice physicalDevice, int width, int height, Texture& texture);
void updateTexture(VkDevice device, VkPhysicalDevice physicalDevice, VkCommandPool commandPool, VkQueue queue, uint8_t* data, int width, int height, int rowStride, size_t dataSize, Texture& texture);
uint32_t findMemoryType(VkPhysicalDevice physicalDevice, uint32_t typeFilter, VkMemoryPropertyFlags properties);
VkCommandBuffer beginSingleTimeCommands(VkDevice device, VkCommandPool commandPool);
void endSingleTimeCommands(VkDevice device, VkCommandPool commandPool, VkQueue queue, VkCommandBuffer commandBuffer);
void transitionImageLayout(VkCommandBuffer commandBuffer, VkImage image, VkImageLayout oldLayout, VkImageLayout newLayout);
void endSingleTimeCommands(VkDevice device, VkCommandPool commandPool, VkQueue queue, VkCommandBuffer commandBuffer);
void transitionImageLayout(VkCommandBuffer commandBuffer, VkImage image, VkImageLayout oldLayout, VkImageLayout newLayout);
public:
void prepare_pipeline_bg();
};
std::unique_ptr<vkb::Application> create_texture_loading();
std::unique_ptr<vkb::Application> create_texture_loading();