新增编译shader目标

core/CMakeLists.txt

@@ -15,3 +15,59 @@ target_link_libraries(${PROJECT_NAME} PUBLIC imgui spdlog glfw glad)
 
 target_precompile_headers(${PROJECT_NAME} PUBLIC extern.h)
 add_definitions(-Dcore_EXPORTS -DSTB_IMAGE_IMPLEMENTATION -DSTBI_WINDOWS_UTF8)
+
+function(compile_shader TARGET_NAME OUTPUT SHADER_INCLUDE_DIR)
+    set(working_dir "${CMAKE_CURRENT_SOURCE_DIR}")
+    set(GLSLANG_BIN $ENV{VULKAN_SDK}/Bin/glslangValidator.exe) # 设置glslangValidator的位置
+    set(ALL_SHADER_FILE "")
+    # get files in SHADER_INCLUDE_DIR
+    file(GLOB_RECURSE ALL_SHADER_FILE "${SHADER_INCLUDE_DIR}/*.vert" "${SHADER_INCLUDE_DIR}/*.frag" "${SHADER_INCLUDE_DIR}/*.comp" "${SHADER_INCLUDE_DIR}/*.tesc" "${SHADER_INCLUDE_DIR}/*.tese" "${SHADER_INCLUDE_DIR}/*.geom")
+
+    foreach(SHADER ${ALL_SHADER_FILE})  # 遍历每一个shader源文件
+        get_filename_component(SHADER_NAME ${SHADER} NAME)  # 获取shader的名字
+        string(REPLACE "." "_" HEADER_NAME ${SHADER_NAME})  # 在生成的.h文件中将文件名的'.'换成'_'
+        string(TOUPPER ${HEADER_NAME} GLOBAL_SHADER_VAR)    # 将存储二进制内容的全局vector对象名改为全部大写
+        set(SPV_FILE "${OUTPUT}/spv/${SHADER_NAME}.spv")    # 生成的.spv文件
+        set(CPP_FILE "${OUTPUT}/cpp/${HEADER_NAME}.h")      # 生成的.h文件
+        add_custom_command(
+                OUTPUT ${SPV_FILE}
+                COMMAND ${GLSLANG_BIN} -I${SHADER_INCLUDE_DIR} -V100 -o ${SPV_FILE} ${SHADER}
+                DEPENDS ${SHADER}
+                WORKING_DIRECTORY "${working_dir}")             # 添加编译命令，在项目生成时执行
+        list(APPEND ALL_GENERATED_SPV_FILES ${SPV_FILE})
+        add_custom_command(
+                OUTPUT ${CPP_FILE}
+                COMMAND ${CMAKE_COMMAND} -DPATH=${SPV_FILE} -DHEADER="${CPP_FILE}"
+                -DGLOBAL="${GLOBAL_SHADER_VAR}" -P "${CMAKE_CURRENT_SOURCE_DIR}/cmake/GenerateShaderCPPFile.cmake"
+                DEPENDS ${SPV_FILE}
+                WORKING_DIRECTORY "${working_dir}")         # 添加执行将spv转换为h文件的cmake函数的命令
+        list(APPEND ALL_GENERATED_CPP_FILES ${CPP_FILE})
+    endforeach()
+    add_custom_target(${TARGET_NAME}    # 将上述过程添加到一个生成目标中
+            DEPENDS ${ALL_GENERATED_SPV_FILES} ${ALL_GENERATED_CPP_FILES} SOURCES ${SHADERS})
+endfunction()
+# GenerateShaderCPPFile.cmake
+function(embed_resource resource_file_name source_file_name variable_name)
+    if(EXISTS "${source_file_name}")
+        if("${source_file_name}" IS_NEWER_THAN "${resource_file_name}")
+            return()
+        endif()
+    endif()
+    if(EXISTS "${resource_file_name}")
+        file(READ "${resource_file_name}" hex_content HEX)
+        string(REPEAT "[0-9a-f]" 32 pattern)
+        string(REGEX REPLACE "(${pattern})" "\\1\n" content "${hex_content}")
+        string(REGEX REPLACE "([0-9a-f][0-9a-f])" "0x\\1, " content "${content}")
+        string(REGEX REPLACE ", $" "" content "${content}")
+        set(array_definition "static const std::vector<unsigned char> ${variable_name} =\n{\n${content}\n};")
+        get_filename_component(file_name ${source_file_name} NAME)
+        set(source "/**\n * @file ${file_name}\n * @brief Auto generated file.\n */\n#include <vector>\n${array_definition}\n")
+        file(WRITE "${source_file_name}" "${source}")
+    else()
+        message("ERROR: ${resource_file_name} doesn't exist")
+        return()
+    endif()
+endfunction()
+if(EXISTS "${PATH}")
+    embed_resource("${PATH}" "${HEADER}" "${GLOBAL}")
+endif()

core/rhi/vulkan/pipeline.cpp

@@ -16,7 +16,12 @@ void pipeline::create_pipeline_layout() {
     pipeline_layout_ = device.createPipelineLayout(pipeline_layout_create_info);
 }
 
-void pipeline::create_pipeline_command() const {
+void pipeline::execute_pipeline() const {
+#ifdef _DEBUG
+    if (pipeline_ == vk::Pipeline()) {
+        throw std::runtime_error("Pipeline not created");
+    }
+#endif
     const auto renderer = application::get()->get_renderer();
     const auto device = renderer->device;
     const auto command_pool = renderer->command_pool;

core/rhi/vulkan/pipeline.h

@@ -1,6 +1,9 @@
 #pragma once
 #include <vulkan/vulkan.hpp>
 
+/// 1. add_binding
+/// 2. create();
+/// 3. execute_pipeline();
 class pipeline {
 public:
     virtual ~pipeline() = default;
@@ -34,7 +37,7 @@ public:
     virtual void create() = 0;
     virtual void destroy() = 0;
     virtual void bind(vk::CommandBuffer command_buffer) const = 0;
-    void create_pipeline_command() const;
+    void execute_pipeline() const;
 
     vk::Pipeline pipeline_;
     vk::PipelineCache pipeline_cache_;