345 lines
8.4 KiB
C++
345 lines
8.4 KiB
C++
#include <module/module_registry.h>
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#include <platform/window_module.h>
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#include <renderer/rhi_module.h>
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#include <utils/logger.h>
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// 包含 OpenGL 设备实现
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// 注意：GLDevice 定义在 gl_device.cpp 中，需要确保链接时包含
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namespace extra2d {
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// 前向声明 GLDevice 类
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class GLDevice;
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} // namespace extra2d
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namespace extra2d {
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// 全局实例指针
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static RHIModule *g_rhiModule = nullptr;
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// GLDevice 创建函数声明 - 在 gl_device.cpp 中定义
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std::unique_ptr<RHIDevice> CreateGLDevice();
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RHIModule::RHIModule() : context_(nullptr) { g_rhiModule = this; }
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RHIModule::~RHIModule() {
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shutdown();
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g_rhiModule = nullptr;
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}
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bool RHIModule::init() {
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E2D_INFO("正在初始化 RHI 模块...");
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// 注册窗口显示事件监听，在窗口显示时创建 OpenGL 上下文
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onShowListener_ = std::make_unique<events::OnShow::Listener>();
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onShowListener_->bind([this]() { this->onWindowShow(); });
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E2D_INFO("RHI 模块已初始化 (等待窗口显示)");
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return true;
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}
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void RHIModule::onWindowShow() {
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if (initialized_) {
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return;
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}
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E2D_INFO("RHI 模块: 正在创建 OpenGL 设备...");
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// 获取窗口模块
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auto *windowModule = getModule<WindowModule>();
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if (!windowModule) {
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E2D_ERROR("窗口模块不可用");
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return;
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}
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// 等待窗口创建完成
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if (!windowModule->handle()) {
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E2D_ERROR("窗口尚未创建");
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return;
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}
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// 创建 OpenGL 设备并传入窗口句柄
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device_ = CreateGLDevice();
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if (!device_) {
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E2D_ERROR("创建 RHI 设备失败");
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return;
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}
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if (!device_->initialize(windowModule->handle())) {
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E2D_ERROR("初始化 RHI 设备失败");
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device_.reset();
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return;
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}
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context_ = device_->getContext();
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if (!context_) {
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E2D_ERROR("获取 RHI 上下文失败");
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device_->shutdown();
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device_.reset();
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return;
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}
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// 注意：context 已在 GLDevice::initialize() 中初始化，这里不需要再次初始化
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initialized_ = true;
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E2D_INFO("RHI模块 初始化成功 (后端：{})", device_->getBackendName());
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// RHI 初始化完成，再次触发 OnShow 事件通知其他模块
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// 这样 RendererModule 等依赖 RHI 的模块可以完成初始化
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events::OnShow::emit();
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}
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void RHIModule::shutdown() {
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if (!initialized_ && !device_ && !context_ && !onShowListener_) {
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return;
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}
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E2D_INFO("正在关闭 RHI模块...");
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// 清理事件监听器
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onShowListener_.reset();
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context_ = nullptr;
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if (device_) {
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device_->shutdown();
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device_.reset();
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}
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initialized_ = false;
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E2D_INFO("RHI模块 关闭完成");
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}
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RHIModule *RHIModule::get() { return g_rhiModule; }
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std::unique_ptr<RHIBuffer> RHIModule::createBuffer(const BufferDesc &desc) {
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if (!device_) {
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E2D_ERROR("无法创建缓冲区：RHI 设备未初始化");
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return nullptr;
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}
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return device_->createBuffer(desc);
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}
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std::unique_ptr<RHITexture> RHIModule::createTexture(const TextureDesc &desc) {
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if (!device_) {
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E2D_ERROR("无法创建纹理: RHI 设备未初始化");
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return nullptr;
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}
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return device_->createTexture(desc);
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}
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std::unique_ptr<RHIShader> RHIModule::createShader(const ShaderDesc &desc) {
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if (!device_) {
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E2D_ERROR("无法创建着色器: RHI 设备未初始化");
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return nullptr;
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}
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return device_->createShader(desc);
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}
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std::unique_ptr<RHIPipeline>
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RHIModule::createPipeline(const PipelineDesc &desc) {
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if (!device_) {
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E2D_ERROR("无法创建管线: RHI 设备未初始化");
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return nullptr;
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}
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return device_->createPipeline(desc);
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}
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std::unique_ptr<RHIFramebuffer>
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RHIModule::createFramebuffer(const RenderPassDesc &desc) {
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if (!device_) {
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E2D_ERROR("无法创建帧缓冲区: RHI 设备未初始化");
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return nullptr;
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}
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return device_->createFramebuffer(desc);
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}
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std::unique_ptr<RHICommandList> RHIModule::createCommandList() {
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if (!device_) {
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E2D_ERROR("无法创建命令列表: RHI 设备未初始化");
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return nullptr;
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}
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return device_->createCommandList();
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}
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// BufferDesc 静态方法实现
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BufferDesc BufferDesc::vertex(uint32_t size, BufferUsage usage) {
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BufferDesc desc;
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desc.type = BufferType::Vertex;
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desc.usage = usage;
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desc.size = size;
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return desc;
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}
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BufferDesc BufferDesc::index(uint32_t size, BufferUsage usage) {
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BufferDesc desc;
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desc.type = BufferType::Index;
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desc.usage = usage;
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desc.size = size;
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return desc;
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}
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BufferDesc BufferDesc::uniform(uint32_t size) {
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BufferDesc desc;
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desc.type = BufferType::Uniform;
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desc.usage = BufferUsage::Dynamic;
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desc.size = size;
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return desc;
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}
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// BlendState 静态方法实现
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BlendState BlendState::opaque() {
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BlendState state;
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state.enabled = false;
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state.srcFactor = BlendFactor::One;
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state.dstFactor = BlendFactor::Zero;
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state.op = BlendOp::Add;
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state.srcAlphaFactor = BlendFactor::One;
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state.dstAlphaFactor = BlendFactor::Zero;
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state.alphaOp = BlendOp::Add;
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return state;
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}
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BlendState BlendState::alphaBlend() {
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BlendState state;
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state.enabled = true;
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state.srcFactor = BlendFactor::SrcAlpha;
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state.dstFactor = BlendFactor::OneMinusSrcAlpha;
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state.op = BlendOp::Add;
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state.srcAlphaFactor = BlendFactor::One;
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state.dstAlphaFactor = BlendFactor::OneMinusSrcAlpha;
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state.alphaOp = BlendOp::Add;
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return state;
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}
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BlendState BlendState::additive() {
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BlendState state;
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state.enabled = true;
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state.srcFactor = BlendFactor::SrcAlpha;
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state.dstFactor = BlendFactor::One;
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state.op = BlendOp::Add;
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state.srcAlphaFactor = BlendFactor::SrcAlpha;
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state.dstAlphaFactor = BlendFactor::One;
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state.alphaOp = BlendOp::Add;
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return state;
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}
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// DepthStencilState 静态方法实现
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DepthStencilState DepthStencilState::depthTest() {
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DepthStencilState state;
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state.depthTestEnabled = true;
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state.depthWriteEnabled = true;
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state.depthCompare = CompareFunc::Less;
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state.stencilEnabled = false;
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return state;
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}
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DepthStencilState DepthStencilState::depthTestWrite() {
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DepthStencilState state;
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state.depthTestEnabled = true;
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state.depthWriteEnabled = true;
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state.depthCompare = CompareFunc::Less;
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state.stencilEnabled = false;
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return state;
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}
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DepthStencilState DepthStencilState::depthTestNoWrite() {
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DepthStencilState state;
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state.depthTestEnabled = true;
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state.depthWriteEnabled = false;
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state.depthCompare = CompareFunc::Less;
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state.stencilEnabled = false;
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return state;
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}
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DepthStencilState DepthStencilState::noDepthTest() {
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DepthStencilState state;
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state.depthTestEnabled = false;
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state.depthWriteEnabled = false;
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state.depthCompare = CompareFunc::Always;
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state.stencilEnabled = false;
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return state;
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}
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// RasterizerState 静态方法实现
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RasterizerState RasterizerState::cullBack() {
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RasterizerState state;
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state.cullEnabled = true;
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state.cullFrontFace = false;
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state.frontCCW = false;
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state.scissorEnabled = false;
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state.wireframe = false;
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return state;
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}
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RasterizerState RasterizerState::cullFront() {
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RasterizerState state;
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state.cullEnabled = true;
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state.cullFrontFace = true;
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state.frontCCW = false;
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state.scissorEnabled = false;
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state.wireframe = false;
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return state;
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}
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RasterizerState RasterizerState::noCull() {
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RasterizerState state;
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state.cullEnabled = false;
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state.cullFrontFace = false;
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state.frontCCW = false;
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state.scissorEnabled = false;
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state.wireframe = false;
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return state;
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}
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// VertexLayout 方法实现
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void VertexLayout::addAttribute(uint32_t location, VertexFormat format,
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uint32_t offset, uint32_t bufferIndex) {
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VertexAttribute attr;
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attr.location = location;
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attr.format = format;
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attr.offset = offset;
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attr.bufferIndex = bufferIndex;
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attributes.push_back(attr);
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}
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// VertexAttribute 方法实现
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uint32_t VertexAttribute::getSize(VertexFormat format) {
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switch (format) {
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case VertexFormat::Float1:
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return 4;
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case VertexFormat::Float2:
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return 8;
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case VertexFormat::Float3:
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return 12;
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case VertexFormat::Float4:
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return 16;
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case VertexFormat::Int1:
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return 4;
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case VertexFormat::Int2:
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return 8;
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case VertexFormat::Int3:
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return 12;
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case VertexFormat::Int4:
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return 16;
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case VertexFormat::UInt1:
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return 4;
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case VertexFormat::UInt2:
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return 8;
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case VertexFormat::UInt3:
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return 12;
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case VertexFormat::UInt4:
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return 16;
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case VertexFormat::Byte4:
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return 4;
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case VertexFormat::Byte4Normalized:
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return 4;
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case VertexFormat::UByte4:
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return 4;
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case VertexFormat::UByte4Normalized:
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return 4;
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default:
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return 0;
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}
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}
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} // namespace extra2d
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