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加入face点mvp和纹理，重构完成，还未自测验证

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xsl
2025-09-19 11:36:34 +08:00
parent f63f46e975
commit adf45c1b55
2 changed files with 362 additions and 382 deletions
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samples/api/texture_loading/texture_loading.cpp
+347 -373
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@@ -668,61 +668,8 @@ void TextureLoading::setup_descriptor_pool()
VK_CHECK(vkCreateDescriptorPool(get_device().get_handle(), &descriptor_pool_create_info, nullptr, &descriptor_pool));
}
void TextureLoading::setup_descriptor_set_layout_bg()
{
std::vector<VkDescriptorSetLayoutBinding> set_layout_bindings =
{
// Binding 1 : Fragment shader image sampler
vkb::initializers::descriptor_set_layout_binding(
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VK_SHADER_STAGE_FRAGMENT_BIT,
0) };
VkDescriptorSetLayoutCreateInfo descriptor_layout =
vkb::initializers::descriptor_set_layout_create_info(
set_layout_bindings.data(),
static_cast<uint32_t>(set_layout_bindings.size()));
VK_CHECK(vkCreateDescriptorSetLayout(get_device().get_handle(), &descriptor_layout, nullptr, &descriptor_set_layout_bg));
VkPipelineLayoutCreateInfo pipeline_layout_create_info =
vkb::initializers::pipeline_layout_create_info(
&descriptor_set_layout_bg,
1);
VK_CHECK(vkCreatePipelineLayout(get_device().get_handle(), &pipeline_layout_create_info, nullptr, &pipeline_layout_bg));
}
void TextureLoading::setup_descriptor_set_layout_point()
{
std::vector<VkDescriptorSetLayoutBinding> set_layout_bindings =
{
// Binding 0 : Vertex shader uniform buffer
vkb::initializers::descriptor_set_layout_binding(
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
VK_SHADER_STAGE_VERTEX_BIT,
0),
// Binding 1 : Fragment shader image sampler
vkb::initializers::descriptor_set_layout_binding(
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VK_SHADER_STAGE_FRAGMENT_BIT,
1)
};
VkDescriptorSetLayoutCreateInfo descriptor_layout =
vkb::initializers::descriptor_set_layout_create_info(
set_layout_bindings.data(),
static_cast<uint32_t>(set_layout_bindings.size()));
VK_CHECK(vkCreateDescriptorSetLayout(get_device().get_handle(), &descriptor_layout, nullptr, &descriptor_set_layout_point));
VkPipelineLayoutCreateInfo pipeline_layout_create_info =
vkb::initializers::pipeline_layout_create_info(
&descriptor_set_layout_point,
1);
VK_CHECK(vkCreatePipelineLayout(get_device().get_handle(), &pipeline_layout_create_info, nullptr, &pipeline_layout_point));
}
void TextureLoading::setup_descriptor_set_layout()
{
@@ -733,11 +680,11 @@ void TextureLoading::setup_descriptor_set_layout()
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
VK_SHADER_STAGE_VERTEX_BIT,
0),
// Binding 1 : Fragment shader image sampler
vkb::initializers::descriptor_set_layout_binding(
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VK_SHADER_STAGE_FRAGMENT_BIT,
1) };
// Binding 1 : Fragment shader image sampler
vkb::initializers::descriptor_set_layout_binding(
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VK_SHADER_STAGE_FRAGMENT_BIT,
1) };
VkDescriptorSetLayoutCreateInfo descriptor_layout =
vkb::initializers::descriptor_set_layout_create_info(
@@ -780,18 +727,104 @@ void TextureLoading::setup_descriptor_set()
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
0,
&buffer_descriptor),
// Binding 1 : Fragment shader texture sampler
// Fragment shader: layout (binding = 1) uniform sampler2D samplerColor;
vkb::initializers::write_descriptor_set(
descriptor_set,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, // The descriptor set will use a combined image sampler (sampler and image could be split)
1, // Shader binding point 1
&image_descriptor) // Pointer to the descriptor image for our texture
// Binding 1 : Fragment shader texture sampler
// Fragment shader: layout (binding = 1) uniform sampler2D samplerColor;
vkb::initializers::write_descriptor_set(
descriptor_set,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, // The descriptor set will use a combined image sampler (sampler and image could be split)
1, // Shader binding point 1
&image_descriptor) // Pointer to the descriptor image for our texture
};
vkUpdateDescriptorSets(get_device().get_handle(), static_cast<uint32_t>(write_descriptor_sets.size()), write_descriptor_sets.data(), 0, NULL);
}
void TextureLoading::setup_descriptor_set_layout_bg()
{
std::vector<VkDescriptorSetLayoutBinding> set_layout_bindings =
{
// Binding 1 : Fragment shader image sampler
vkb::initializers::descriptor_set_layout_binding(
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VK_SHADER_STAGE_FRAGMENT_BIT,
0) };
VkDescriptorSetLayoutCreateInfo descriptor_layout =
vkb::initializers::descriptor_set_layout_create_info(
set_layout_bindings.data(),
static_cast<uint32_t>(set_layout_bindings.size()));
VK_CHECK(vkCreateDescriptorSetLayout(get_device().get_handle(), &descriptor_layout, nullptr, &descriptor_set_layout_bg));
VkPipelineLayoutCreateInfo pipeline_layout_create_info =
vkb::initializers::pipeline_layout_create_info(
&descriptor_set_layout_bg,
1);
VK_CHECK(vkCreatePipelineLayout(get_device().get_handle(), &pipeline_layout_create_info, nullptr, &pipeline_layout_bg));
}
void TextureLoading::setup_descriptor_set_bg()
{
VkDescriptorSetAllocateInfo alloc_info =
vkb::initializers::descriptor_set_allocate_info(
descriptor_pool,
&descriptor_set_layout_bg,
1);
VK_CHECK(vkAllocateDescriptorSets(get_device().get_handle(), &alloc_info, &descriptor_set_bg));
VkDescriptorImageInfo image_descriptor;
image_descriptor.imageView = cam_text.view;
image_descriptor.sampler = cam_text.sampler;
image_descriptor.imageLayout = cam_text.image_layout;
std::vector<VkWriteDescriptorSet> write_descriptor_sets =
{
vkb::initializers::write_descriptor_set(
descriptor_set_bg,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
0,
&image_descriptor)
};
vkUpdateDescriptorSets(get_device().get_handle(), static_cast<uint32_t>(write_descriptor_sets.size()), write_descriptor_sets.data(), 0, NULL);
}
void TextureLoading::setup_descriptor_set_layout_point()
{
std::vector<VkDescriptorSetLayoutBinding> set_layout_bindings =
{
// Binding 0 : Vertex shader uniform buffer
vkb::initializers::descriptor_set_layout_binding(
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
VK_SHADER_STAGE_VERTEX_BIT,
0),
// Binding 1 : Fragment shader image sampler
vkb::initializers::descriptor_set_layout_binding(
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VK_SHADER_STAGE_FRAGMENT_BIT,
1)
};
VkDescriptorSetLayoutCreateInfo descriptor_layout =
vkb::initializers::descriptor_set_layout_create_info(
set_layout_bindings.data(),
static_cast<uint32_t>(set_layout_bindings.size()));
VK_CHECK(vkCreateDescriptorSetLayout(get_device().get_handle(), &descriptor_layout, nullptr, &descriptor_set_layout_point));
VkPipelineLayoutCreateInfo pipeline_layout_create_info =
vkb::initializers::pipeline_layout_create_info(
&descriptor_set_layout_point,
1);
VK_CHECK(vkCreatePipelineLayout(get_device().get_handle(), &pipeline_layout_create_info, nullptr, &pipeline_layout_point));
}
void TextureLoading::setup_descriptor_set_point()
{
@@ -819,122 +852,71 @@ void TextureLoading::setup_descriptor_set_point()
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
0,
&buffer_descriptor),
// Binding 1 : Fragment shader texture sampler
// Fragment shader: layout (binding = 1) uniform sampler2D samplerColor;
vkb::initializers::write_descriptor_set(
descriptor_set_point,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, // The descriptor set will use a combined image sampler (sampler and image could be split)
1, // Shader binding point 1
&image_descriptor) // Pointer to the descriptor image for our texture
// Binding 1 : Fragment shader texture sampler
// Fragment shader: layout (binding = 1) uniform sampler2D samplerColor;
vkb::initializers::write_descriptor_set(
descriptor_set_point,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, // The descriptor set will use a combined image sampler (sampler and image could be split)
1, // Shader binding point 1
&image_descriptor) // Pointer to the descriptor image for our texture
};
vkUpdateDescriptorSets(get_device().get_handle(), static_cast<uint32_t>(write_descriptor_sets.size()), write_descriptor_sets.data(), 0, NULL);
}
void TextureLoading::setup_descriptor_set_bg()
// Prepare and initialize uniform buffer containing shader uniforms
void TextureLoading::prepare_uniform_buffers()
{
VkDescriptorSetAllocateInfo alloc_info =
vkb::initializers::descriptor_set_allocate_info(
descriptor_pool,
&descriptor_set_layout_bg,
1);
// Vertex shader uniform buffer block
uniform_buffer_vs = std::make_unique<vkb::core::BufferC>(get_device(),
sizeof(ubo_vs),
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VMA_MEMORY_USAGE_CPU_TO_GPU);
VK_CHECK(vkAllocateDescriptorSets(get_device().get_handle(), &alloc_info, &descriptor_set_bg));
VkDescriptorImageInfo image_descriptor;
image_descriptor.imageView = cam_text.view;
image_descriptor.sampler = cam_text.sampler;
image_descriptor.imageLayout = cam_text.image_layout;
std::vector<VkWriteDescriptorSet> write_descriptor_sets =
{
vkb::initializers::write_descriptor_set(
descriptor_set_bg,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
0,
&image_descriptor)
};
vkUpdateDescriptorSets(get_device().get_handle(), static_cast<uint32_t>(write_descriptor_sets.size()), write_descriptor_sets.data(), 0, NULL);
update_uniform_buffers();
}
void TextureLoading::prepare_pipeline_bg()
void TextureLoading::update_uniform_buffers()
{
VkPipelineInputAssemblyStateCreateInfo input_assembly_state =
vkb::initializers::pipeline_input_assembly_state_create_info(
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
0,
VK_FALSE);
// Vertex shader
ubo_vs.projection = glm::perspective(glm::radians(60.0f), static_cast<float>(width) / static_cast<float>(height), 0.001f, 256.0f);
glm::mat4 view_matrix = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, zoom));
VkPipelineRasterizationStateCreateInfo rasterization_state =
vkb::initializers::pipeline_rasterization_state_create_info(
VK_POLYGON_MODE_FILL,
VK_CULL_MODE_NONE,
VK_FRONT_FACE_COUNTER_CLOCKWISE,
0);
ubo_vs.model = view_matrix * glm::translate(glm::mat4(1.0f), camera_pos);
ubo_vs.model = glm::rotate(ubo_vs.model, glm::radians(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
ubo_vs.model = glm::rotate(ubo_vs.model, glm::radians(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
ubo_vs.model = glm::rotate(ubo_vs.model, glm::radians(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
VkPipelineColorBlendAttachmentState blend_attachment_state =
vkb::initializers::pipeline_color_blend_attachment_state(
0xf,
VK_FALSE);
ubo_vs.view_pos = glm::vec4(0.0f, 0.0f, -zoom, 0.0f);
VkPipelineColorBlendStateCreateInfo color_blend_state =
vkb::initializers::pipeline_color_blend_state_create_info(
1,
&blend_attachment_state);
VkPipelineDepthStencilStateCreateInfo depth_stencil_state =
vkb::initializers::pipeline_depth_stencil_state_create_info(
VK_FALSE,
VK_FALSE,
VK_COMPARE_OP_GREATER);
VkPipelineViewportStateCreateInfo viewport_state =
vkb::initializers::pipeline_viewport_state_create_info(1, 1, 0);
VkPipelineMultisampleStateCreateInfo multisample_state =
vkb::initializers::pipeline_multisample_state_create_info(
VK_SAMPLE_COUNT_1_BIT,
0);
std::vector<VkDynamicState> dynamic_state_enables = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR };
VkPipelineDynamicStateCreateInfo dynamic_state =
vkb::initializers::pipeline_dynamic_state_create_info(
dynamic_state_enables.data(),
static_cast<uint32_t>(dynamic_state_enables.size()),
0);
std::array<VkPipelineShaderStageCreateInfo, 2> shader_stages;
shader_stages[0] = load_shader("texture_loading", "bg.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shader_stages[1] = load_shader("texture_loading", "bg.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
VkPipelineVertexInputStateCreateInfo vertex_input_state_bg = vkb::initializers::pipeline_vertex_input_state_create_info();
VkGraphicsPipelineCreateInfo pipeline_create_info =
vkb::initializers::pipeline_create_info(
pipeline_layout_bg,
render_pass,
0);
pipeline_create_info.pVertexInputState = &vertex_input_state_bg;
pipeline_create_info.pInputAssemblyState = &input_assembly_state;
pipeline_create_info.pRasterizationState = &rasterization_state;
pipeline_create_info.pColorBlendState = &color_blend_state;
pipeline_create_info.pMultisampleState = &multisample_state;
pipeline_create_info.pViewportState = &viewport_state;
pipeline_create_info.pDepthStencilState = &depth_stencil_state;
pipeline_create_info.pDynamicState = &dynamic_state;
pipeline_create_info.stageCount = static_cast<uint32_t>(shader_stages.size());
pipeline_create_info.pStages = shader_stages.data();
VK_CHECK(vkCreateGraphicsPipelines(get_device().get_handle(), pipeline_cache, 1, &pipeline_create_info, nullptr, &pipelines.background));
uniform_buffer_vs->convert_and_update(ubo_vs);
}
void TextureLoading::prepare_uniform_buffers_point()
{
uniform_buffer_vs_point = std::make_unique<vkb::core::BufferC>(get_device(),
sizeof(ubo_vs_point),
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VMA_MEMORY_USAGE_CPU_TO_GPU);
update_uniform_buffers_point();
}
void TextureLoading::update_uniform_buffers_point()
{
ubo_vs_point.projection = glm::perspective(glm::radians(60.0f), static_cast<float>(width) / static_cast<float>(height), 0.001f, 256.0f);
glm::mat4 view_matrix = glm::translate(glm::mat4(1.0f), camear_pos_point);
ubo_vs_point.model = view_matrix * glm::translate(glm::mat4(1.0f), face_pos_point);
ubo_vs_point.model = glm::rotate(ubo_vs_point.model, glm::radians(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
ubo_vs_point.model = glm::rotate(ubo_vs_point.model, glm::radians(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
ubo_vs_point.model = glm::rotate(ubo_vs_point.model, glm::radians(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
uniform_buffer_vs_point->convert_and_update(ubo_vs_point);
}
void TextureLoading::prepare_pipelines()
{
VkPipelineInputAssemblyStateCreateInfo input_assembly_state =
@@ -1026,56 +1008,173 @@ void TextureLoading::prepare_pipelines()
VK_CHECK(vkCreateGraphicsPipelines(get_device().get_handle(), pipeline_cache, 1, &pipeline_create_info, nullptr, &pipelines.solid));
}
// Prepare and initialize uniform buffer containing shader uniforms
void TextureLoading::prepare_uniform_buffers()
void TextureLoading::prepare_pipeline_bg()
{
// Vertex shader uniform buffer block
uniform_buffer_vs = std::make_unique<vkb::core::BufferC>(get_device(),
sizeof(ubo_vs),
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VMA_MEMORY_USAGE_CPU_TO_GPU);
VkPipelineInputAssemblyStateCreateInfo input_assembly_state =
vkb::initializers::pipeline_input_assembly_state_create_info(
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
0,
VK_FALSE);
update_uniform_buffers();
VkPipelineRasterizationStateCreateInfo rasterization_state =
vkb::initializers::pipeline_rasterization_state_create_info(
VK_POLYGON_MODE_FILL,
VK_CULL_MODE_NONE,
VK_FRONT_FACE_COUNTER_CLOCKWISE,
0);
VkPipelineColorBlendAttachmentState blend_attachment_state =
vkb::initializers::pipeline_color_blend_attachment_state(
0xf,
VK_FALSE);
VkPipelineColorBlendStateCreateInfo color_blend_state =
vkb::initializers::pipeline_color_blend_state_create_info(
1,
&blend_attachment_state);
VkPipelineDepthStencilStateCreateInfo depth_stencil_state =
vkb::initializers::pipeline_depth_stencil_state_create_info(
VK_FALSE,
VK_FALSE,
VK_COMPARE_OP_GREATER);
VkPipelineViewportStateCreateInfo viewport_state =
vkb::initializers::pipeline_viewport_state_create_info(1, 1, 0);
VkPipelineMultisampleStateCreateInfo multisample_state =
vkb::initializers::pipeline_multisample_state_create_info(
VK_SAMPLE_COUNT_1_BIT,
0);
std::vector<VkDynamicState> dynamic_state_enables = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR };
VkPipelineDynamicStateCreateInfo dynamic_state =
vkb::initializers::pipeline_dynamic_state_create_info(
dynamic_state_enables.data(),
static_cast<uint32_t>(dynamic_state_enables.size()),
0);
std::array<VkPipelineShaderStageCreateInfo, 2> shader_stages;
shader_stages[0] = load_shader("texture_loading", "bg.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shader_stages[1] = load_shader("texture_loading", "bg.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
VkPipelineVertexInputStateCreateInfo vertex_input_state_bg = vkb::initializers::pipeline_vertex_input_state_create_info();
VkGraphicsPipelineCreateInfo pipeline_create_info =
vkb::initializers::pipeline_create_info(
pipeline_layout_bg,
render_pass,
0);
pipeline_create_info.pVertexInputState = &vertex_input_state_bg;
pipeline_create_info.pInputAssemblyState = &input_assembly_state;
pipeline_create_info.pRasterizationState = &rasterization_state;
pipeline_create_info.pColorBlendState = &color_blend_state;
pipeline_create_info.pMultisampleState = &multisample_state;
pipeline_create_info.pViewportState = &viewport_state;
pipeline_create_info.pDepthStencilState = &depth_stencil_state;
pipeline_create_info.pDynamicState = &dynamic_state;
pipeline_create_info.stageCount = static_cast<uint32_t>(shader_stages.size());
pipeline_create_info.pStages = shader_stages.data();
VK_CHECK(vkCreateGraphicsPipelines(get_device().get_handle(), pipeline_cache, 1, &pipeline_create_info, nullptr, &pipelines.background));
}
void TextureLoading::update_uniform_buffers()
void TextureLoading::prepare_pipeline_point()
{
// Vertex shader
ubo_vs.projection = glm::perspective(glm::radians(60.0f), static_cast<float>(width) / static_cast<float>(height), 0.001f, 256.0f);
glm::mat4 view_matrix = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, zoom));
ubo_vs.model = view_matrix * glm::translate(glm::mat4(1.0f), camera_pos);
ubo_vs.model = glm::rotate(ubo_vs.model, glm::radians(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
ubo_vs.model = glm::rotate(ubo_vs.model, glm::radians(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
ubo_vs.model = glm::rotate(ubo_vs.model, glm::radians(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
// 顶点输入绑定描述 (告诉 Vulkan 顶点数据的格式)
VkVertexInputBindingDescription vertex_input_binding_description{};
vertex_input_binding_description.binding = 0; // 绑定点
vertex_input_binding_description.stride = sizeof(PointVertex); // 每个顶点的字节大小
vertex_input_binding_description.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
ubo_vs.view_pos = glm::vec4(0.0f, 0.0f, -zoom, 0.0f);
// 顶点输入属性描述 (告诉 Vulkan 每个属性在顶点结构中的位置)
std::array<VkVertexInputAttributeDescription, 2> vertex_input_attributes = {
VkVertexInputAttributeDescription{0, 0, VK_FORMAT_R32G32B32_SFLOAT, offsetof(PointVertex, x)}, // 位置
VkVertexInputAttributeDescription{1, 0, VK_FORMAT_R32G32B32_SFLOAT, offsetof(PointVertex, r)} // 颜色
};
uniform_buffer_vs->convert_and_update(ubo_vs);
VkPipelineVertexInputStateCreateInfo vertex_input_state{ VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO };
vertex_input_state.vertexBindingDescriptionCount = 1;
vertex_input_state.pVertexBindingDescriptions = &vertex_input_binding_description;
vertex_input_state.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertex_input_attributes.size());
vertex_input_state.pVertexAttributeDescriptions = vertex_input_attributes.data();
// 输入装配 (绘制点列表)
VkPipelineInputAssemblyStateCreateInfo input_assembly_state{ VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO };
input_assembly_state.topology = VK_PRIMITIVE_TOPOLOGY_POINT_LIST; // 关键：绘制点
input_assembly_state.primitiveRestartEnable = VK_FALSE;
// 光栅化
VkPipelineRasterizationStateCreateInfo rasterization_state{ VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO };
rasterization_state.polygonMode = VK_POLYGON_MODE_FILL;
rasterization_state.cullMode = VK_CULL_MODE_NONE; // 通常不对点进行剔除
rasterization_state.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
rasterization_state.lineWidth = 1.0f; // 可以通过 VkPhysicalDeviceFeatures::wideLines 扩展来支持更宽的线
// 视口和裁剪
VkPipelineViewportStateCreateInfo viewport_state{ VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO };
viewport_state.viewportCount = 1;
viewport_state.scissorCount = 1;
// 多重采样
VkPipelineMultisampleStateCreateInfo multisample_state{ VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO };
multisample_state.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
// 深度和模板测试 (通常对点云启用深度测试)
VkPipelineDepthStencilStateCreateInfo depth_stencil_state{ VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO };
depth_stencil_state.depthTestEnable = VK_FALSE;
depth_stencil_state.depthWriteEnable = VK_FALSE;
depth_stencil_state.depthCompareOp = VK_COMPARE_OP_ALWAYS; // 或 VK_COMPARE_OP_LESS
depth_stencil_state.depthBoundsTestEnable = VK_FALSE;
depth_stencil_state.stencilTestEnable = VK_FALSE;
// 颜色混合 (点通常不需要混合)
VkPipelineColorBlendAttachmentState blend_attachment_state{};
blend_attachment_state.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
blend_attachment_state.blendEnable = VK_FALSE;
VkPipelineColorBlendStateCreateInfo color_blend_state{ VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO };
color_blend_state.attachmentCount = 1;
color_blend_state.pAttachments = &blend_attachment_state;
// 动态状态 (视口和裁剪矩形将在命令缓冲区中设置)
std::vector<VkDynamicState> dynamic_state_enables = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR };
VkPipelineDynamicStateCreateInfo dynamic_state{ VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO };
dynamic_state.dynamicStateCount = static_cast<uint32_t>(dynamic_state_enables.size());
dynamic_state.pDynamicStates = dynamic_state_enables.data();
// 加载着色器
std::array<VkPipelineShaderStageCreateInfo, 2> shader_stages;
shader_stages[0] = load_shader("texture_loading", "pointcloud.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shader_stages[1] = load_shader("texture_loading", "pointcloud.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
// 创建图形管线
VkGraphicsPipelineCreateInfo pipeline_create_info{ VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO };
pipeline_create_info.stageCount = static_cast<uint32_t>(shader_stages.size());
pipeline_create_info.pStages = shader_stages.data();
pipeline_create_info.pVertexInputState = &vertex_input_state;
pipeline_create_info.pInputAssemblyState = &input_assembly_state;
pipeline_create_info.pViewportState = &viewport_state;
pipeline_create_info.pRasterizationState = &rasterization_state;
pipeline_create_info.pMultisampleState = &multisample_state;
pipeline_create_info.pDepthStencilState = &depth_stencil_state;
pipeline_create_info.pColorBlendState = &color_blend_state;
pipeline_create_info.pDynamicState = &dynamic_state;
pipeline_create_info.layout = pipeline_layout_point;
pipeline_create_info.renderPass = render_pass; // 使用主渲染通道
pipeline_create_info.subpass = 0; // 主子通道
VK_CHECK(vkCreateGraphicsPipelines(get_device().get_handle(), pipeline_cache, 1, &pipeline_create_info, nullptr, &pipelines.point));
}
void TextureLoading::prepare_uniform_buffers_point()
{
uniform_buffer_vs_point = std::make_unique<vkb::core::BufferC>(get_device(),
sizeof(ubo_vs_point),
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VMA_MEMORY_USAGE_CPU_TO_GPU);
update_uniform_buffers_point();
}
void TextureLoading::update_uniform_buffers_point()
{
ubo_vs_point.projection = glm::perspective(glm::radians(60.0f), static_cast<float>(width) / static_cast<float>(height), 0.001f, 256.0f);
glm::mat4 view_matrix = glm::translate(glm::mat4(1.0f), camear_pos_point);
ubo_vs_point.model = view_matrix * glm::translate(glm::mat4(1.0f), pos_point);
ubo_vs_point.model = glm::rotate(ubo_vs_point.model, glm::radians(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
ubo_vs_point.model = glm::rotate(ubo_vs_point.model, glm::radians(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
ubo_vs_point.model = glm::rotate(ubo_vs_point.model, glm::radians(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
uniform_buffer_vs_point->convert_and_update(ubo_vs_point);
}
bool TextureLoading::prepare(const vkb::ApplicationOptions& options)
{
@@ -1102,19 +1201,19 @@ bool TextureLoading::prepare(const vkb::ApplicationOptions& options)
prepare_uniform_buffers_point();
setup_descriptor_set_layout();
setup_descriptor_set();
setup_descriptor_set_layout_bg();
setup_descriptor_set_bg();
setup_descriptor_set_layout_point();
setup_descriptor_set_point();
prepare_pipelines();
prepare_pipeline_bg();
prepare_pipeline_point();
setup_descriptor_pool();
setup_descriptor_set();
setup_descriptor_set_bg();
setup_descriptor_set_point();
prepared = true;
//start();
@@ -1498,167 +1597,42 @@ void TextureLoading::transitionImageLayout(VkCommandBuffer commandBuffer, VkImag
0, nullptr, 0, nullptr, 1, &barrier);
}
void TextureLoading::setup_point_descriptor_set_layout()
{
// --- 修改：为点云 UBO 创建描述符集布局绑定，指向 binding 0 ---
VkDescriptorSetLayoutBinding ubo_layout_binding{};
ubo_layout_binding.binding = 0; // 与着色器中的 layout(binding = 0) 匹配
ubo_layout_binding.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
ubo_layout_binding.descriptorCount = 1;
ubo_layout_binding.stageFlags = VK_SHADER_STAGE_VERTEX_BIT; // 仅在顶点着色器中使用
ubo_layout_binding.pImmutableSamplers = nullptr;
VkDescriptorSetLayoutCreateInfo layout_info{ VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO };
layout_info.bindingCount = 1;
layout_info.pBindings = &ubo_layout_binding; // 指向我们的 UBO 绑定
VK_CHECK(vkCreateDescriptorSetLayout(get_device().get_handle(), &layout_info, nullptr, &point_descriptor_set_layout));
// --- 修改结束 ---
}
void TextureLoading::setup_point_descriptor_set()
{
// --- 修改：分配点云描述符集 ---
VkDescriptorSetAllocateInfo alloc_info{ VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO };
alloc_info.descriptorPool = descriptor_pool; // 使用您已有的描述符池
alloc_info.descriptorSetCount = 1;
alloc_info.pSetLayouts = &point_descriptor_set_layout;
VK_CHECK(vkAllocateDescriptorSets(get_device().get_handle(), &alloc_info, &point_descriptor_set));
// --- 修改结束 ---
// --- 新增：更新点云描述符集，指向已有的 uniform_buffer_vs ---
update_point_descriptor_set(); // 调用辅助函数进行更新
// --- 新增结束 ---
}
//void TextureLoading::setup_point_descriptor_set_layout()
//{
// // --- 修改：为点云 UBO 创建描述符集布局绑定，指向 binding 0 ---
// VkDescriptorSetLayoutBinding ubo_layout_binding{};
// ubo_layout_binding.binding = 0; // 与着色器中的 layout(binding = 0) 匹配
// ubo_layout_binding.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
// ubo_layout_binding.descriptorCount = 1;
// ubo_layout_binding.stageFlags = VK_SHADER_STAGE_VERTEX_BIT; // 仅在顶点着色器中使用
// ubo_layout_binding.pImmutableSamplers = nullptr;
//
// VkDescriptorSetLayoutCreateInfo layout_info{ VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO };
// layout_info.bindingCount = 1;
// layout_info.pBindings = &ubo_layout_binding; // 指向我们的 UBO 绑定
//
// VK_CHECK(vkCreateDescriptorSetLayout(get_device().get_handle(), &layout_info, nullptr, &point_descriptor_set_layout));
// // --- 修改结束 ---
//}
//
//void TextureLoading::setup_point_descriptor_set()
//{
// // --- 修改：分配点云描述符集 ---
// VkDescriptorSetAllocateInfo alloc_info{ VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO };
// alloc_info.descriptorPool = descriptor_pool; // 使用您已有的描述符池
// alloc_info.descriptorSetCount = 1;
// alloc_info.pSetLayouts = &point_descriptor_set_layout;
//
// VK_CHECK(vkAllocateDescriptorSets(get_device().get_handle(), &alloc_info, &point_descriptor_set));
// // --- 修改结束 ---
//
// // --- 新增：更新点云描述符集，指向已有的 uniform_buffer_vs ---
// update_point_descriptor_set(); // 调用辅助函数进行更新
// // --- 新增结束 ---
//}
// --- 新增：更新点云描述符集以指向 uniform_buffer_vs 的辅助函数 ---
void TextureLoading::update_point_descriptor_set()
{
if (!point_uniform_vs) { // 检查主 UBO 缓冲区是否存在
LOGW("Main uniform buffer (uniform_buffer_vs) not created yet, cannot update point descriptor set.");
return;
}
VkDescriptorBufferInfo buffer_info{};
buffer_info.buffer = uniform_buffer_vs->get_handle();
// 关键：指定要绑定的 UBO 数据在缓冲区中的范围
// 我们绑定整个 ubo_vs，因为着色器只访问前两个 mat4，其余部分被忽略但不影响
buffer_info.offset = 0;
buffer_info.range = sizeof(ubo_vs); // 绑定整个结构体
VkWriteDescriptorSet descriptor_write{ VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET };
descriptor_write.dstSet = point_descriptor_set; // 目标描述符集
descriptor_write.dstBinding = 0; // 目标绑定 (binding = 0)
descriptor_write.dstArrayElement = 0; // 数组元素索引 (非数组)
descriptor_write.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
descriptor_write.descriptorCount = 1; // 更新一个描述符
descriptor_write.pBufferInfo = &buffer_info; // 指向缓冲区信息
// pImageInfo 和 pTexelBufferView 对于 Uniform Buffer 不需要
vkUpdateDescriptorSets(get_device().get_handle(), 1, &descriptor_write, 0, nullptr);
}
// --- 新增结束 ---
void TextureLoading::prepare_pipeline_point()
{
// 创建管线布局
VkPipelineLayoutCreateInfo pipeline_layout_create_info{ VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO };
pipeline_layout_create_info.setLayoutCount = 1;
pipeline_layout_create_info.pSetLayouts = &point_descriptor_set_layout;
// 没有 push constants
pipeline_layout_create_info.pushConstantRangeCount = 0;
pipeline_layout_create_info.pPushConstantRanges = nullptr;
VK_CHECK(vkCreatePipelineLayout(get_device().get_handle(), &pipeline_layout_create_info, nullptr, &point_pipeline_layout));
// 加载着色器
std::array<VkPipelineShaderStageCreateInfo, 2> shader_stages;
shader_stages[0] = load_shader("texture_loading", "pointcloud.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shader_stages[1] = load_shader("texture_loading", "pointcloud.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
// 顶点输入绑定描述 (告诉 Vulkan 顶点数据的格式)
VkVertexInputBindingDescription vertex_input_binding_description{};
vertex_input_binding_description.binding = 0; // 绑定点
vertex_input_binding_description.stride = sizeof(PointVertex); // 每个顶点的字节大小
vertex_input_binding_description.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
// 顶点输入属性描述 (告诉 Vulkan 每个属性在顶点结构中的位置)
std::array<VkVertexInputAttributeDescription, 2> vertex_input_attributes = {
VkVertexInputAttributeDescription{0, 0, VK_FORMAT_R32G32B32_SFLOAT, offsetof(PointVertex, x)}, // 位置
VkVertexInputAttributeDescription{1, 0, VK_FORMAT_R32G32B32_SFLOAT, offsetof(PointVertex, r)} // 颜色
};
VkPipelineVertexInputStateCreateInfo vertex_input_state{ VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO };
vertex_input_state.vertexBindingDescriptionCount = 1;
vertex_input_state.pVertexBindingDescriptions = &vertex_input_binding_description;
vertex_input_state.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertex_input_attributes.size());
vertex_input_state.pVertexAttributeDescriptions = vertex_input_attributes.data();
// 输入装配 (绘制点列表)
VkPipelineInputAssemblyStateCreateInfo input_assembly_state{ VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO };
input_assembly_state.topology = VK_PRIMITIVE_TOPOLOGY_POINT_LIST; // 关键：绘制点
input_assembly_state.primitiveRestartEnable = VK_FALSE;
// 视口和裁剪
VkPipelineViewportStateCreateInfo viewport_state{ VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO };
viewport_state.viewportCount = 1;
viewport_state.scissorCount = 1;
// 光栅化
VkPipelineRasterizationStateCreateInfo rasterization_state{ VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO };
rasterization_state.polygonMode = VK_POLYGON_MODE_FILL;
rasterization_state.cullMode = VK_CULL_MODE_NONE; // 通常不对点进行剔除
rasterization_state.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
rasterization_state.lineWidth = 1.0f; // 可以通过 VkPhysicalDeviceFeatures::wideLines 扩展来支持更宽的线
// 多重采样
VkPipelineMultisampleStateCreateInfo multisample_state{ VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO };
multisample_state.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
// 深度和模板测试 (通常对点云启用深度测试)
VkPipelineDepthStencilStateCreateInfo depth_stencil_state{ VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO };
depth_stencil_state.depthTestEnable = VK_FALSE;
depth_stencil_state.depthWriteEnable = VK_FALSE;
depth_stencil_state.depthCompareOp = VK_COMPARE_OP_ALWAYS; // 或 VK_COMPARE_OP_LESS
depth_stencil_state.depthBoundsTestEnable = VK_FALSE;
depth_stencil_state.stencilTestEnable = VK_FALSE;
// 颜色混合 (点通常不需要混合)
VkPipelineColorBlendAttachmentState blend_attachment_state{};
blend_attachment_state.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
blend_attachment_state.blendEnable = VK_FALSE;
VkPipelineColorBlendStateCreateInfo color_blend_state{ VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO };
color_blend_state.attachmentCount = 1;
color_blend_state.pAttachments = &blend_attachment_state;
// 动态状态 (视口和裁剪矩形将在命令缓冲区中设置)
std::vector<VkDynamicState> dynamic_state_enables = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR };
VkPipelineDynamicStateCreateInfo dynamic_state{ VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO };
dynamic_state.dynamicStateCount = static_cast<uint32_t>(dynamic_state_enables.size());
dynamic_state.pDynamicStates = dynamic_state_enables.data();
// 创建图形管线
VkGraphicsPipelineCreateInfo pipeline_create_info{ VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO };
pipeline_create_info.stageCount = static_cast<uint32_t>(shader_stages.size());
pipeline_create_info.pStages = shader_stages.data();
pipeline_create_info.pVertexInputState = &vertex_input_state;
pipeline_create_info.pInputAssemblyState = &input_assembly_state;
pipeline_create_info.pViewportState = &viewport_state;
pipeline_create_info.pRasterizationState = &rasterization_state;
pipeline_create_info.pMultisampleState = &multisample_state;
pipeline_create_info.pDepthStencilState = &depth_stencil_state;
pipeline_create_info.pColorBlendState = &color_blend_state;
pipeline_create_info.pDynamicState = &dynamic_state;
pipeline_create_info.layout = point_pipeline_layout;
pipeline_create_info.renderPass = render_pass; // 使用主渲染通道
pipeline_create_info.subpass = 0; // 主子通道
VK_CHECK(vkCreateGraphicsPipelines(get_device().get_handle(), pipeline_cache, 1, &pipeline_create_info, nullptr, &point_pipeline));
}
void TextureLoading::update_point_vertex_buffer(float* pos, int pointCount)
{
@@ -1706,10 +1680,10 @@ void TextureLoading::update_point_vertex_buffer(float* pos, int pointCount)
// 2. 更新或创建顶点缓冲区
VkDeviceSize buffer_size = sizeof(PointVertex) * point_count;
if (!point_vertex_buffer || point_vertex_buffer->get_size() < buffer_size) {
if (!vertex_buffer_point || vertex_buffer_point->get_size() < buffer_size) {
// 如果缓冲区不存在或太小，则重新创建
point_vertex_buffer.reset();
point_vertex_buffer = std::make_unique<vkb::core::BufferC>(get_device(),
vertex_buffer_point.reset();
vertex_buffer_point = std::make_unique<vkb::core::BufferC>(get_device(),
buffer_size,
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
VMA_MEMORY_USAGE_CPU_TO_GPU // CPU 可写，GPU 可读
@@ -1717,10 +1691,10 @@ void TextureLoading::update_point_vertex_buffer(float* pos, int pointCount)
}
// 3. 将数据复制到缓冲区
void* mapped_data = point_vertex_buffer->map();
void* mapped_data = vertex_buffer_point->map();
if (mapped_data) {
memcpy(mapped_data, vertices.data(), buffer_size);
point_vertex_buffer->unmap();
vertex_buffer_point->unmap();
}
else {
LOGE("Failed to map point vertex buffer for update.");
samples/api/texture_loading/texture_loading.h
+15 -9
View File
@@ -84,8 +84,8 @@ public:
std::unique_ptr<vkb::core::BufferC> uniform_buffer_vs_point;
glm::vec3 camear_pos_point;
glm::vec3 pos_point;
glm::vec3 camear_pos_point = {0, 0, -2.f};
glm::vec3 face_pos_point;
struct
{
@@ -125,22 +125,28 @@ public:
void generate_quad();
void setup_descriptor_pool();
void setup_descriptor_set_layout();
void setup_descriptor_set_layout_bg();
void setup_descriptor_set_layout_point();
void setup_descriptor_set_layout();
void setup_descriptor_set();
void setup_descriptor_set_layout_bg();
void setup_descriptor_set_bg();
void setup_descriptor_set_layout_point();
void setup_descriptor_set_point();
void prepare_uniform_buffers();
void update_uniform_buffers();
void prepare_uniform_buffers_point();
void update_uniform_buffers_point();
void prepare_pipelines();
void prepare_pipeline_bg();
void prepare_pipeline_point();
void prepare_uniform_buffers();
void update_uniform_buffers();
void prepare_uniform_buffers_point();
void update_uniform_buffers_point();
bool prepare(const vkb::ApplicationOptions& options) override;
virtual void render(float delta_time) override;
virtual void view_changed() override;