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[Feat] (MG_Test/Backend/DirectVulkan): seperate Present and Draw logic

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swung0x48
2026-02-14 23:30:41 +08:00
parent 81125dd06d
commit d7156631d1
1 changed files with 20 additions and 23 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+20 -23
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@@ -205,17 +205,6 @@ namespace MobileGL::MG_Backend::DirectVulkan {
vkDestroyShaderModule(m_device, fs, nullptr);
MGLOG_I("PrepareDemoPipeline completed");
// VkPipeline trianglePipeline = MG_Backend::DirectVulkan::pVulkanRenderer->CreateGraphicsPipelineFromSpv(
// "TrianglePipeline", vsSpv, fsSpv);
//
// // Register render callback
// MG_Backend::DirectVulkan::pVulkanRenderer->RegisterRenderCallback(
// "DrawTriangle", [trianglePipeline](VkCommandBuffer cmd, uint32_t imageIndex, VkExtent2D extent) {
// vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, trianglePipeline);
//
// vkCmdDraw(cmd, 3, 1, 0, 0);
// });
}
void VulkanRenderer::CreateSyncObjects() {
@@ -248,6 +237,14 @@ namespace MobileGL::MG_Backend::DirectVulkan {
CreateDefaultRenderPass();
PrepareDemoPipeline();
CreateSyncObjects();
// Prime the first frame so Render() always targets an acquired swapchain image.
VK_VERIFY(vkWaitForFences(m_device, 1, &m_imageInFlightFences[m_currentFrameIndex], VK_TRUE, UINT64_MAX));
VK_VERIFY(vkResetFences(m_device, 1, &m_imageInFlightFences[m_currentFrameIndex]));
VK_VERIFY(vkAcquireNextImageKHR(m_device, m_swapchain, UINT64_MAX,
m_imageAvailableSemaphores[m_currentFrameIndex],
VK_NULL_HANDLE, &m_imageIndexAcquired));
MGLOG_D("VulkanRenderer initialized");
}
@@ -373,18 +370,11 @@ namespace MobileGL::MG_Backend::DirectVulkan {
}
void VulkanRenderer::Present() {
VK_VERIFY(vkWaitForFences(m_device, 1, &m_imageInFlightFences[m_currentFrameIndex], VK_TRUE, UINT64_MAX));
VK_VERIFY(vkResetFences(m_device, 1, &m_imageInFlightFences[m_currentFrameIndex]));
VK_VERIFY(vkAcquireNextImageKHR(m_device, m_swapchain, UINT64_MAX, m_imageAvailableSemaphores[m_currentFrameIndex], VK_NULL_HANDLE, &m_imageIndexAcquired));
// Do demo drawing
VK_VERIFY(vkResetCommandBuffer(m_commandBuffers[m_currentFrameIndex], 0));
Render();
// 1) Submit current frame work.
VkSubmitInfo submitInfo{};
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
VkSemaphore waitSemaphores[] = {m_imageAvailableSemaphores[m_currentFrameIndex]};
VkPipelineStageFlags waitStages[] = {VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT};
VkPipelineStageFlags waitStages[] = {VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT};
submitInfo.waitSemaphoreCount = 1;
submitInfo.pWaitSemaphores = waitSemaphores;
submitInfo.pWaitDstStageMask = waitStages;
@@ -395,19 +385,27 @@ namespace MobileGL::MG_Backend::DirectVulkan {
submitInfo.pSignalSemaphores = signalSemaphores;
VK_VERIFY(vkQueueSubmit(m_graphicsQueue, 1, &submitInfo, m_imageInFlightFences[m_currentFrameIndex]));
// 2) Present current frame.
VkPresentInfoKHR presentInfo{};
presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
presentInfo.waitSemaphoreCount = 1;
presentInfo.pWaitSemaphores = signalSemaphores;
VkSwapchainKHR swapChains[] = {m_swapchain};
presentInfo.swapchainCount = 1;
presentInfo.pSwapchains = swapChains;
presentInfo.pImageIndices = &m_imageIndexAcquired;
presentInfo.pResults = nullptr;
VK_VERIFY(vkQueuePresentKHR(m_presentQueue, &presentInfo));
// 3) Advance frame slot.
m_currentFrameIndex = (m_currentFrameIndex + 1) % m_swapchainImages.size();
// 4) Wait/reset/acquire for next frame.
VK_VERIFY(vkWaitForFences(m_device, 1, &m_imageInFlightFences[m_currentFrameIndex], VK_TRUE, UINT64_MAX));
VK_VERIFY(vkResetFences(m_device, 1, &m_imageInFlightFences[m_currentFrameIndex]));
VK_VERIFY(vkAcquireNextImageKHR(m_device, m_swapchain, UINT64_MAX,
m_imageAvailableSemaphores[m_currentFrameIndex],
VK_NULL_HANDLE, &m_imageIndexAcquired));
}
void VulkanRenderer::CreateInstance() {
@@ -1003,7 +1001,6 @@ namespace MobileGL::MG_Backend::DirectVulkan {
ENUM_STR_CASE(VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG)
ENUM_STR_CASE(VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG)
ENUM_STR_CASE(VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG)
ENUM_STR_CASE(VK_FORMAT_R16G16_SFIXED5_NV)
ENUM_STR_CASE(VK_FORMAT_A1B5G5R5_UNORM_PACK16_KHR)
ENUM_STR_CASE(VK_FORMAT_A8_UNORM_KHR)
default: