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[Feat] (MG_Backend/DirectVulkan): present, dynamic states, queue submit, and...triangle!

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swung0x48
2026-02-14 17:47:14 +08:00
parent b25562711a
commit 7bd4d74b2c
2 changed files with 51 additions and 13 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+47 -9
View File
@@ -139,6 +139,12 @@ namespace MobileGL::MG_Backend::DirectVulkan {
VK_VERIFY(vkCreatePipelineLayout(m_device, &plci, nullptr, &m_pipelineLayout), "vkCreatePipelineLayout");
// Create the rest of pipeline component
VkPipelineDynamicStateCreateInfo dynamicState{};
dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
dynamicState.dynamicStateCount = static_cast<uint32_t>(std::size(s_dynamicStates));
dynamicState.pDynamicStates = s_dynamicStates;
VkPipelineVertexInputStateCreateInfo vertexInput{VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO};
vertexInput.vertexBindingDescriptionCount = 0;
vertexInput.vertexAttributeDescriptionCount = 0;
@@ -187,6 +193,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
gpi.pRasterizationState = &raster;
gpi.pMultisampleState = &ms;
gpi.pColorBlendState = &blend;
gpi.pDynamicState = &dynamicState;
gpi.layout = m_pipelineLayout;
gpi.renderPass = m_renderPass;
gpi.subpass = 0;
@@ -238,6 +245,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
}
void VulkanRenderer::Shutdown() {
VK_VERIFY(vkDeviceWaitIdle(m_device));
if (m_imageInFlightFence != VK_NULL_HANDLE) {
vkDestroyFence(m_device, m_imageInFlightFence, nullptr);
m_imageInFlightFence = VK_NULL_HANDLE;
@@ -306,16 +315,17 @@ namespace MobileGL::MG_Backend::DirectVulkan {
MGLOG_I("VulkanRenderer shut down completed");
}
void VulkanRenderer::BeginCommandBuffer() {
void VulkanRenderer::Render() {
VK_VERIFY(vkResetCommandBuffer(m_commandBuffer, 0));
// Begin command buffer
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() {
// Begin render pass
VkRenderPassBeginInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassInfo.renderPass = m_renderPass;
@@ -326,9 +336,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
renderPassInfo.clearValueCount = 1;
renderPassInfo.pClearValues = &clearColor;
vkCmdBeginRenderPass(m_commandBuffer, &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
}
void VulkanRenderer::Render() {
// Render commands
vkCmdBindPipeline(m_commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, m_pipeline);
VkViewport viewport{};
@@ -346,13 +355,11 @@ namespace MobileGL::MG_Backend::DirectVulkan {
vkCmdSetScissor(m_commandBuffer, 0, 1, &scissor);
vkCmdDraw(m_commandBuffer, 3, 1, 0, 0);
}
void VulkanRenderer::EndRenderPass() {
// End render pass
vkCmdEndRenderPass(m_commandBuffer);
}
void VulkanRenderer::EndCommandBuffer() {
// End command buffer
VK_VERIFY(vkEndCommandBuffer(m_commandBuffer));
}
@@ -360,6 +367,37 @@ namespace MobileGL::MG_Backend::DirectVulkan {
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));
// Do demo drawing
VK_VERIFY(vkResetCommandBuffer(m_commandBuffer, 0));
Render();
VkSubmitInfo submitInfo{};
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
VkSemaphore waitSemaphores[] = {m_imageAvailableSemaphore};
VkPipelineStageFlags waitStages[] = {VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT};
submitInfo.waitSemaphoreCount = 1;
submitInfo.pWaitSemaphores = waitSemaphores;
submitInfo.pWaitDstStageMask = waitStages;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &m_commandBuffer;
VkSemaphore signalSemaphores[] = {m_renderFinishedSemaphore};
submitInfo.signalSemaphoreCount = 1;
submitInfo.pSignalSemaphores = signalSemaphores;
VK_VERIFY(vkQueueSubmit(m_graphicsQueue, 1, &submitInfo, m_imageInFlightFence));
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));
}
void VulkanRenderer::CreateInstance() {
MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
+4 -4
View File
@@ -37,11 +37,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
void Initialize();
void Shutdown();
void BeginCommandBuffer();
void BeginRenderPass();
void Render();
void EndRenderPass();
void EndCommandBuffer();
void Present();
private:
@@ -138,6 +134,10 @@ namespace MobileGL::MG_Backend::DirectVulkan {
static Bool GetMoreCapablePhysicalDevice(VkPhysicalDevice newVkDevice, VkSurfaceKHR surface, const PhysicalDevice& compareWithDevice, PhysicalDevice& outBetterDevice);
static VkSurfaceFormatKHR ChooseSwapchainSurfaceFormat(const Vector<VkSurfaceFormatKHR>& availableFormats);
static VkPresentModeKHR ChooseSwapchainPresentMode(const Vector<VkPresentModeKHR>& availablePresentModes);
static constexpr VkDynamicState s_dynamicStates[] = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR
};
static constexpr VkPresentModeKHR s_desiredPresentModes[] {
VK_PRESENT_MODE_MAILBOX_KHR,
VK_PRESENT_MODE_IMMEDIATE_KHR,