mirror of
https://github.com/f4exb/sdrangel.git
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345 lines
12 KiB
C++
345 lines
12 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2023 Jon Beniston, M7RCE <jon@beniston.com> //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QDebug>
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#include "glslang_c_interface.h"
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#include "dsp/vulkanvkfftengine.h"
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class GLSInitialiser {
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public:
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GLSInitialiser() {
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glslang_initialize_process();
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};
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~GLSInitialiser() {
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glslang_finalize_process();
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}
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};
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static GLSInitialiser glsInitialiser;
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VulkanvkFFTEngine::VulkanvkFFTEngine()
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{
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VkFFTResult resFFT;
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resFFT = gpuInit();
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if (resFFT != VKFFT_SUCCESS)
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{
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qDebug() << "VulkanvkFFTEngine::VulkanvkFFTEngine: Failed to initialise GPU:" << getVkFFTErrorString(resFFT);
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delete vkGPU;
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vkGPU = nullptr;
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}
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}
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VulkanvkFFTEngine::~VulkanvkFFTEngine()
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{
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if (vkGPU)
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{
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freeAll();
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vkDestroyFence(vkGPU->device, vkGPU->fence, nullptr);
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vkDestroyCommandPool(vkGPU->device, vkGPU->commandPool, nullptr);
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vkDestroyDevice(vkGPU->device, nullptr);
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DestroyDebugUtilsMessengerEXT(vkGPU, nullptr);
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vkDestroyInstance(vkGPU->instance, nullptr);
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}
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}
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const QString VulkanvkFFTEngine::m_name = "vkFFT (Vulkan)";
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QString VulkanvkFFTEngine::getName() const
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{
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return m_name;
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}
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VkFFTResult VulkanvkFFTEngine::gpuInit()
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{
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VkResult res = VK_SUCCESS;
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// To enable validation on Windows:
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// set VK_LAYER_PATH=%VULKAN_SDK%\Bin
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// set VK_INSTANCE_LAYERS=VK_LAYER_LUNARG_api_dump;VK_LAYER_KHRONOS_validation
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// https://vulkan.lunarg.com/doc/view/1.3.204.1/windows/layer_configuration.html
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// Create vk_layer_settings.txt in working dir
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// Or run vkconfig to do so
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// Create instance - a connection between the application and the Vulkan library
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res = createInstance(vkGPU, 0);
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if (res != 0) {
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return VKFFT_ERROR_FAILED_TO_CREATE_INSTANCE;
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}
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// Set up the debugging messenger
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res = setupDebugMessenger(vkGPU);
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if (res != 0) {
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return VKFFT_ERROR_FAILED_TO_SETUP_DEBUG_MESSENGER;
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}
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// Check if there are GPUs that support Vulkan and select one
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res = findPhysicalDevice(vkGPU);
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if (res != 0) {
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return VKFFT_ERROR_FAILED_TO_FIND_PHYSICAL_DEVICE;
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}
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// Create logical device representation
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res = createDevice(vkGPU, 0);
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if (res != 0) {
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return VKFFT_ERROR_FAILED_TO_CREATE_DEVICE;
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}
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// Create fence for synchronization
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res = createFence(vkGPU);
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if (res != 0) {
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return VKFFT_ERROR_FAILED_TO_CREATE_FENCE;
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}
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// Create a place, command buffer memory is allocated from
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res = createCommandPool(vkGPU);
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if (res != 0) {
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return VKFFT_ERROR_FAILED_TO_CREATE_COMMAND_POOL;
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}
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vkGetPhysicalDeviceProperties(vkGPU->physicalDevice, &vkGPU->physicalDeviceProperties);
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vkGetPhysicalDeviceMemoryProperties(vkGPU->physicalDevice, &vkGPU->physicalDeviceMemoryProperties);
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return VKFFT_SUCCESS;
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}
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VkFFTResult VulkanvkFFTEngine::gpuAllocateBuffers()
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{
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VkFFTResult resFFT;
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VulkanPlan *plan = reinterpret_cast<VulkanPlan *>(m_currentPlan);
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// Allocate GPU memory
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resFFT = allocateBuffer(vkGPU,
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&plan->m_buffer,
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&plan->m_bufferDeviceMemory,
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VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
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VK_MEMORY_HEAP_DEVICE_LOCAL_BIT,
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plan->m_bufferSize);
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if (resFFT != VKFFT_SUCCESS) {
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return resFFT;
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}
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// Allocate CPU/GPU memory (Requires m_currentPlan->m_buffer to have been created)
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resFFT = vulkanAllocateIn(plan);
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if (resFFT != VKFFT_SUCCESS) {
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return resFFT;
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}
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resFFT = vulkanAllocateOut(plan);
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if (resFFT != VKFFT_SUCCESS) {
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return resFFT;
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}
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plan->m_configuration->buffer = &plan->m_buffer;
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return VKFFT_SUCCESS;
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}
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VkFFTResult VulkanvkFFTEngine::gpuConfigure()
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{
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VkFFTResult resFFT;
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VulkanPlan *plan = reinterpret_cast<VulkanPlan *>(m_currentPlan);
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// Allocate command buffer with command to perform FFT
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resFFT = vulkanAllocateFFTCommand(plan);
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if (resFFT != VKFFT_SUCCESS) {
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return resFFT;
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}
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return VKFFT_SUCCESS;
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}
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// Allocate CPU to GPU memory buffer
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VkFFTResult VulkanvkFFTEngine::vulkanAllocateIn(VulkanPlan *plan)
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{
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VkFFTResult resFFT;
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VkResult res = VK_SUCCESS;
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VkBuffer* buffer = (VkBuffer*)&plan->m_buffer;
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resFFT = allocateBuffer(vkGPU, &plan->m_inBuffer, &plan->m_inMemory, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_HOST_CACHED_BIT, m_currentPlan->m_bufferSize);
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if (resFFT != VKFFT_SUCCESS) {
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return resFFT;
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}
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void* data;
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res = vkMapMemory(vkGPU->device, plan->m_inMemory, 0, plan->m_bufferSize, 0, &data);
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if (res != VK_SUCCESS) {
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return VKFFT_ERROR_FAILED_TO_MAP_MEMORY;
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}
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plan->m_in = (Complex*) data;
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return VKFFT_SUCCESS;
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}
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// Allocate GPU to CPU memory buffer
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VkFFTResult VulkanvkFFTEngine::vulkanAllocateOut(VulkanPlan *plan)
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{
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VkFFTResult resFFT;
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VkResult res;
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VkBuffer* buffer = (VkBuffer*)&plan->m_buffer;
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resFFT = allocateBuffer(vkGPU, &plan->m_outBuffer, &plan->m_outMemory, VK_BUFFER_USAGE_TRANSFER_DST_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_HOST_CACHED_BIT, m_currentPlan->m_bufferSize);
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if (resFFT != VKFFT_SUCCESS) {
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return resFFT;
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}
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void* data;
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res = vkMapMemory(vkGPU->device, plan->m_outMemory, 0, plan->m_bufferSize, 0, &data);
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if (res != VK_SUCCESS) {
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return VKFFT_ERROR_FAILED_TO_MAP_MEMORY;
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}
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plan->m_out = (Complex*) data;
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return VKFFT_SUCCESS;
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}
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void VulkanvkFFTEngine::vulkanDeallocateIn(VulkanPlan *plan)
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{
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vkUnmapMemory(vkGPU->device, plan->m_inMemory);
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vkDestroyBuffer(vkGPU->device, plan->m_inBuffer, nullptr);
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vkFreeMemory(vkGPU->device, plan->m_inMemory, nullptr);
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plan->m_in = nullptr;
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}
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void VulkanvkFFTEngine::vulkanDeallocateOut(VulkanPlan *plan)
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{
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vkUnmapMemory(vkGPU->device, plan->m_outMemory);
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vkDestroyBuffer(vkGPU->device, plan->m_outBuffer, nullptr);
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vkFreeMemory(vkGPU->device, plan->m_outMemory, nullptr);
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plan->m_out = nullptr;
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}
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VkFFTResult VulkanvkFFTEngine::vulkanAllocateFFTCommand(VulkanPlan *plan)
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{
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VkFFTResult resFFT;
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VkResult res = VK_SUCCESS;
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VkCommandBufferAllocateInfo commandBufferAllocateInfo = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO };
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commandBufferAllocateInfo.commandPool = vkGPU->commandPool;
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commandBufferAllocateInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
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commandBufferAllocateInfo.commandBufferCount = 1;
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res = vkAllocateCommandBuffers(vkGPU->device, &commandBufferAllocateInfo, &plan->m_commandBuffer);
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if (res != 0) {
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return VKFFT_ERROR_FAILED_TO_ALLOCATE_COMMAND_BUFFERS;
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}
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VkCommandBufferBeginInfo commandBufferBeginInfo = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO };
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commandBufferBeginInfo.flags = 0;
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res = vkBeginCommandBuffer(plan->m_commandBuffer, &commandBufferBeginInfo);
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if (res != 0) {
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return VKFFT_ERROR_FAILED_TO_BEGIN_COMMAND_BUFFER;
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}
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VkBuffer* buffer = (VkBuffer*)&plan->m_buffer;
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// Copy from CPU to GPU
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VkBufferCopy copyRegionIn = { 0 };
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copyRegionIn.srcOffset = 0;
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copyRegionIn.dstOffset = 0;
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copyRegionIn.size = plan->m_bufferSize;
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vkCmdCopyBuffer(plan->m_commandBuffer, plan->m_inBuffer, buffer[0], 1, ©RegionIn);
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// Wait for copy to complete
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VkMemoryBarrier memoryBarrierIn = {
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VK_STRUCTURE_TYPE_MEMORY_BARRIER,
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0,
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VK_ACCESS_SHADER_WRITE_BIT,
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VK_ACCESS_SHADER_READ_BIT,
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};
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vkCmdPipelineBarrier(
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plan->m_commandBuffer,
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VK_PIPELINE_STAGE_TRANSFER_BIT,
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VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
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0,
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1,
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&memoryBarrierIn,
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0, 0, 0, 0);
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// Perform FFT
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VkFFTLaunchParams launchParams = {};
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launchParams.commandBuffer = &plan->m_commandBuffer;
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resFFT = VkFFTAppend(plan->m_app, plan->m_inverse, &launchParams);
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if (resFFT != VKFFT_SUCCESS) {
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return resFFT;
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}
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// Wait for FFT to complete
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VkMemoryBarrier memoryBarrierOut = {
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VK_STRUCTURE_TYPE_MEMORY_BARRIER,
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0,
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VK_ACCESS_SHADER_WRITE_BIT,
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VK_ACCESS_HOST_READ_BIT,
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};
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vkCmdPipelineBarrier(
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plan->m_commandBuffer,
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VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
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VK_PIPELINE_STAGE_HOST_BIT,
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0,
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1,
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&memoryBarrierIn,
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0, 0, 0, 0);
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// Copy from GPU to CPU
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VkBufferCopy copyRegionOut = { 0 };
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copyRegionOut.srcOffset = 0;
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copyRegionOut.dstOffset = 0;
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copyRegionOut.size = plan->m_bufferSize;
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vkCmdCopyBuffer(plan->m_commandBuffer, buffer[0], plan->m_outBuffer, 1, ©RegionOut);
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res = vkEndCommandBuffer(plan->m_commandBuffer);
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if (res != 0) {
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return VKFFT_ERROR_FAILED_TO_END_COMMAND_BUFFER;
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}
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return VKFFT_SUCCESS;
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}
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void VulkanvkFFTEngine::transform()
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{
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PROFILER_START()
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VkResult res = VK_SUCCESS;
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VulkanPlan *plan = reinterpret_cast<VulkanPlan *>(m_currentPlan);
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VkSubmitInfo submitInfo = { VK_STRUCTURE_TYPE_SUBMIT_INFO };
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submitInfo.commandBufferCount = 1;
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submitInfo.pCommandBuffers = &plan->m_commandBuffer;
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res = vkQueueSubmit(vkGPU->queue, 1, &submitInfo, vkGPU->fence);
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if (res != 0) {
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qDebug() << "VulkanvkFFTEngine::transform: Failed to submit to queue";
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}
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res = vkWaitForFences(vkGPU->device, 1, &vkGPU->fence, VK_TRUE, 100000000000);
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if (res != 0) {
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qDebug() << "VulkanvkFFTEngine::transform: Failed to wait for fences";
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}
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res = vkResetFences(vkGPU->device, 1, &vkGPU->fence);
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if (res != 0) {
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qDebug() << "VulkanvkFFTEngine::transform: Failed to reset fences";
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}
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PROFILER_STOP(QString("%1 FFT %2").arg(getName()).arg(m_currentPlan->n))
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}
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vkFFTEngine::Plan *VulkanvkFFTEngine::gpuAllocatePlan()
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{
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return new VulkanPlan();
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}
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void VulkanvkFFTEngine::gpuDeallocatePlan(Plan *p)
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{
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VulkanPlan *plan = reinterpret_cast<VulkanPlan *>(p);
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vulkanDeallocateOut(plan);
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vulkanDeallocateIn(plan);
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vkFreeCommandBuffers(vkGPU->device, vkGPU->commandPool, 1, &plan->m_commandBuffer);
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vkDestroyBuffer(vkGPU->device, plan->m_buffer, nullptr);
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vkFreeMemory(vkGPU->device, plan->m_bufferDeviceMemory, nullptr);
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}
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