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[Feat] (MG_Backend/DirectVulkan): sync objects, command buffer, render pass, present (WIP)

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swung0x48
2026-02-14 17:22:31 +08:00
parent 927d95fb41
commit b25562711a
2 changed files with 76 additions and 1 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+67 -1
View File
@@ -211,6 +211,17 @@ namespace MobileGL::MG_Backend::DirectVulkan {
// });
}
void VulkanRenderer::CreateSyncObjects() {
VkSemaphoreCreateInfo semaphoreInfo{VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO};
VkFenceCreateInfo fenceInfo{VK_STRUCTURE_TYPE_FENCE_CREATE_INFO};
fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
VK_VERIFY(vkCreateSemaphore(m_device, &semaphoreInfo, nullptr, &m_imageAvailableSemaphore));
VK_VERIFY(vkCreateSemaphore(m_device, &semaphoreInfo, nullptr, &m_renderFinishedSemaphore));
VK_VERIFY(vkCreateFence(m_device, &fenceInfo, nullptr, &m_imageInFlightFence));
MGLOG_I("CreateSyncObjects completed");
}
void VulkanRenderer::Initialize() {
CreateInstance();
CreateSurface();
@@ -222,10 +233,24 @@ namespace MobileGL::MG_Backend::DirectVulkan {
CreateCommandBuffer();
CreateDefaultRenderPass();
PrepareDemoPipeline();
CreateSyncObjects();
MGLOG_D("VulkanRenderer initialized");
}
void VulkanRenderer::Shutdown() {
if (m_imageInFlightFence != VK_NULL_HANDLE) {
vkDestroyFence(m_device, m_imageInFlightFence, nullptr);
m_imageInFlightFence = VK_NULL_HANDLE;
}
if (m_renderFinishedSemaphore != VK_NULL_HANDLE) {
vkDestroySemaphore(m_device, m_renderFinishedSemaphore, nullptr);
}
if (m_imageAvailableSemaphore != VK_NULL_HANDLE) {
vkDestroySemaphore(m_device, m_imageAvailableSemaphore, nullptr);
}
if (m_pipeline != VK_NULL_HANDLE) {
vkDestroyPipeline(m_device, m_pipeline, nullptr);
}
@@ -281,19 +306,60 @@ namespace MobileGL::MG_Backend::DirectVulkan {
MGLOG_I("VulkanRenderer shut down completed");
}
void VulkanRenderer::BeginCommandBuffer() {
VK_VERIFY(vkResetCommandBuffer(m_commandBuffer, 0));
VkCommandBufferBeginInfo beginInfo{};
beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
beginInfo.flags = 0;
beginInfo.pInheritanceInfo = nullptr;
VK_VERIFY(vkBeginCommandBuffer(m_commandBuffer, &beginInfo));
}
void VulkanRenderer::BeginRenderPass() {
VkRenderPassBeginInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassInfo.renderPass = m_renderPass;
renderPassInfo.framebuffer = m_framebuffers[m_imageIndexAcquired];
renderPassInfo.renderArea.offset = {0, 0};
renderPassInfo.renderArea.extent = m_swapChainExtent;
VkClearValue clearColor = {{{0.0f, 0.0f, 0.0f, 1.0f}}};
renderPassInfo.clearValueCount = 1;
renderPassInfo.pClearValues = &clearColor;
vkCmdBeginRenderPass(m_commandBuffer, &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
}
void VulkanRenderer::Render() {
vkCmdBindPipeline(m_commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, m_pipeline);
VkViewport viewport{};
viewport.x = 0.0f;
viewport.y = 0.0f;
viewport.width = static_cast<float>(m_swapChainExtent.width);
viewport.height = static_cast<float>(m_swapChainExtent.height);
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
vkCmdSetViewport(m_commandBuffer, 0, 1, &viewport);
VkRect2D scissor{};
scissor.offset = {0, 0};
scissor.extent = m_swapChainExtent;
vkCmdSetScissor(m_commandBuffer, 0, 1, &scissor);
vkCmdDraw(m_commandBuffer, 3, 1, 0, 0);
}
void VulkanRenderer::EndRenderPass() {
vkCmdEndRenderPass(m_commandBuffer);
}
void VulkanRenderer::EndCommandBuffer() {
VK_VERIFY(vkEndCommandBuffer(m_commandBuffer));
}
void VulkanRenderer::Present() {
VK_VERIFY(vkWaitForFences(m_device, 1, &m_imageInFlightFence, VK_TRUE, UINT64_MAX));
VK_VERIFY(vkResetFences(m_device, 1, &m_imageInFlightFence));
VK_VERIFY(vkAcquireNextImageKHR(m_device, m_swapchain, UINT64_MAX, m_imageAvailableSemaphore, VK_NULL_HANDLE, &m_imageIndexAcquired));
}
void VulkanRenderer::CreateInstance() {
MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
+9
View File
@@ -37,9 +37,11 @@ namespace MobileGL::MG_Backend::DirectVulkan {
void Initialize();
void Shutdown();
void BeginCommandBuffer();
void BeginRenderPass();
void Render();
void EndRenderPass();
void EndCommandBuffer();
void Present();
private:
@@ -104,6 +106,12 @@ namespace MobileGL::MG_Backend::DirectVulkan {
VkPipelineLayout m_pipelineLayout = VK_NULL_HANDLE;
VkPipeline m_pipeline = VK_NULL_HANDLE;
Uint m_imageIndexAcquired = 0;
Uint m_currentFrameIndex = 0;
VkSemaphore m_imageAvailableSemaphore;
VkSemaphore m_renderFinishedSemaphore;
VkFence m_imageInFlightFence;
void CreateInstance();
VkResult SetupDebugMessenger();
VkResult DestroyDebugMessenger();
@@ -117,6 +125,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
void CreateCommandBuffer();
void CreateDefaultRenderPass();
void PrepareDemoPipeline();
void CreateSyncObjects();
static Int GetPresentQueueFamilyIndex(
const PhysicalDevice& physicalDevice, VkSurfaceKHR surface,