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-rw-r--r--render/vulkan/device.c213
1 files changed, 213 insertions, 0 deletions
diff --git a/render/vulkan/device.c b/render/vulkan/device.c
new file mode 100644
index 0000000..02cf246
--- /dev/null
+++ b/render/vulkan/device.c
@@ -0,0 +1,213 @@
+#include "device.h"
+#include "vkassert.h"
+#include <rune/core/alloc.h>
+#include <rune/core/logging.h>
+
+struct vkqfam_data {
+ uint32_t gfx;
+ uint32_t present;
+ uint32_t compute;
+ uint32_t transfer;
+};
+
+struct vkdev_data {
+ VkPhysicalDeviceProperties pdev_props;
+ VkPhysicalDeviceFeatures pdev_feats;
+ VkPhysicalDeviceMemoryProperties pdev_mprops;
+ uint32_t pdev_ext_count;
+ const char** pdev_extensions;
+};
+
+int _query_qfam_data(VkSurfaceKHR surface, VkPhysicalDevice pdev, VkQueueFamilyProperties **qfam_props) {
+ uint32_t qfam_count = 0;
+ vkGetPhysicalDeviceQueueFamilyProperties(pdev, &qfam_count, NULL);
+ *qfam_props = rune_alloc(sizeof(VkQueueFamilyProperties) * qfam_count);
+ vkGetPhysicalDeviceQueueFamilyProperties(pdev, &qfam_count, *qfam_props);
+ return qfam_count;
+}
+
+void _query_pdev_data(VkPhysicalDevice pdev, struct vkdev_data *pdata) {
+ vkGetPhysicalDeviceProperties(pdev, &pdata->pdev_props);
+ vkGetPhysicalDeviceFeatures(pdev, &pdata->pdev_feats);
+ vkGetPhysicalDeviceMemoryProperties(pdev, &pdata->pdev_mprops);
+}
+
+int _get_qfam_index(int num_props, uint32_t queue_type, VkQueueFamilyProperties *qfam_props) {
+ for (int i = 0; i < num_props; i++) {
+ if (qfam_props[i].queueFlags & queue_type)
+ return i;
+ }
+ return -1;
+}
+
+int _check_pdev(VkSurfaceKHR surface, VkPhysicalDevice pdev) {
+ int score = 0;
+
+ struct vkdev_data pdata;
+ _query_pdev_data(pdev, &pdata);
+ if (pdata.pdev_props.deviceType != VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU)
+ return score;
+
+ VkQueueFamilyProperties *qfam_props;
+ int num_qfams = _query_qfam_data(surface, pdev, &qfam_props);
+ if (_get_qfam_index(num_qfams, VK_QUEUE_GRAPHICS_BIT, qfam_props) != -1)
+ score += 20;
+ if (_get_qfam_index(num_qfams, VK_QUEUE_COMPUTE_BIT, qfam_props) != -1)
+ score += 5;
+ if (_get_qfam_index(num_qfams, VK_QUEUE_TRANSFER_BIT, qfam_props) != -1)
+ score += 20;
+
+ VkBool32 present_bit;
+ vkGetPhysicalDeviceSurfaceSupportKHR(pdev, 0, surface, &present_bit);
+ if (present_bit != VK_FALSE)
+ score += 20;
+
+ rune_free(qfam_props);
+ return score;
+}
+
+struct vkdev* create_vkdev(VkInstance instance, VkSurfaceKHR surface) {
+ uint32_t pdev_count;
+ vkEnumeratePhysicalDevices(instance, &pdev_count, NULL);
+ if (pdev_count == 0)
+ return NULL;
+ VkPhysicalDevice pdevs[pdev_count];
+ vkEnumeratePhysicalDevices(instance, &pdev_count, pdevs);
+
+ uint32_t selected_pdev = -1;
+ for (uint32_t i = 0; i < pdev_count; i++) {
+ if (_check_pdev(surface, pdevs[i]) >= 60) {
+ selected_pdev = i;
+ break;
+ }
+ }
+
+ if (selected_pdev == -1) {
+ log_output(LOG_FATAL, "No device meets minimum requirements for rendering");
+ return NULL;
+ }
+
+ struct vkdev *dev = rune_alloc(sizeof(struct vkdev));
+ dev->pdev = pdevs[selected_pdev];
+
+ VkQueueFamilyProperties *qfam_props;
+ int num_qfams = _query_qfam_data(surface, pdevs[selected_pdev], &qfam_props);
+ VkBool32 present_support;
+ for (int i = 0; i < num_qfams; i++) {
+ vkassert(vkGetPhysicalDeviceSurfaceSupportKHR(dev->pdev, i, surface, &present_support), "Error retrieving present queue support");
+ if (present_support == VK_TRUE)
+ dev->pres_index = i;
+ }
+ dev->gfx_index = _get_qfam_index(num_qfams, VK_QUEUE_GRAPHICS_BIT, qfam_props);
+ dev->tsfr_index = _get_qfam_index(num_qfams, VK_QUEUE_TRANSFER_BIT, qfam_props);
+ dev->comp_index = _get_qfam_index(num_qfams, VK_QUEUE_COMPUTE_BIT, qfam_props);
+
+ float queue_priority = 1.0f;
+ VkDeviceQueueCreateInfo qcinfos[3];
+ qcinfos[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
+ qcinfos[0].queueFamilyIndex = dev->gfx_index;
+ qcinfos[0].queueCount = 1;
+ qcinfos[0].flags = 0;
+ qcinfos[0].pNext = NULL;
+ qcinfos[0].pQueuePriorities = &queue_priority;
+
+ qcinfos[1].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
+ qcinfos[1].queueFamilyIndex = dev->tsfr_index;
+ qcinfos[1].queueCount = 1;
+ qcinfos[1].flags = 0;
+ qcinfos[1].pNext = NULL;
+ qcinfos[1].pQueuePriorities = &queue_priority;
+
+ qcinfos[2].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
+ qcinfos[2].queueFamilyIndex = dev->comp_index;
+ qcinfos[2].queueCount = 1;
+ qcinfos[2].flags = 0;
+ qcinfos[2].pNext = NULL;
+ qcinfos[2].pQueuePriorities = &queue_priority;
+
+ struct vkdev_data pdata;
+ _query_pdev_data(pdevs[selected_pdev], &pdata);
+
+ VkDeviceCreateInfo dcinfo;
+ dcinfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
+ dcinfo.pNext = NULL;
+ dcinfo.flags = 0;
+ dcinfo.queueCreateInfoCount = 2;
+ dcinfo.pQueueCreateInfos = qcinfos;
+ dcinfo.enabledLayerCount = 0;
+ dcinfo.ppEnabledLayerNames = NULL;
+ dcinfo.enabledExtensionCount = 1;
+ const char *ext_names = VK_KHR_SWAPCHAIN_EXTENSION_NAME;
+ dcinfo.ppEnabledExtensionNames = &ext_names;
+ dcinfo.pEnabledFeatures = &pdata.pdev_feats;
+ vkassert(vkCreateDevice(dev->pdev, &dcinfo, NULL, &dev->ldev), "Error creating Vulkan logical device");
+
+ vkGetDeviceQueue(dev->ldev, dev->gfx_index, 0, &dev->gfx_queue);
+ vkGetDeviceQueue(dev->ldev, dev->tsfr_index, 0, &dev->tsfr_queue);
+ vkGetDeviceQueue(dev->ldev, dev->pres_index, 0, &dev->pres_queue);
+ vkGetDeviceQueue(dev->ldev, dev->comp_index, 0, &dev->comp_queue);
+
+ VkCommandPoolCreateInfo pcinfo;
+ pcinfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
+ pcinfo.pNext = NULL;
+ pcinfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
+ pcinfo.queueFamilyIndex = dev->gfx_index;
+ vkassert(vkCreateCommandPool(dev->ldev, &pcinfo, NULL, &dev->cmd_pool), "Error creating Vulkan command pool");
+
+ log_output(LOG_DEBUG, "Initialized new logical device");
+ return dev;
+}
+
+void destroy_vkdev(struct vkdev *dev) {
+ vkDestroyDevice(dev->ldev, NULL);
+ rune_free(dev);
+}
+
+void get_swapchain_data(struct vkdev *dev, VkSurfaceKHR *surface) {
+ vkGetPhysicalDeviceSurfaceCapabilitiesKHR(dev->pdev, *surface, &dev->scdata.capabilities);
+
+ vkGetPhysicalDeviceSurfaceFormatsKHR(dev->pdev, *surface, &dev->scdata.format_count, NULL);
+ dev->scdata.formats = rune_alloc(sizeof(VkSurfaceFormatKHR) * dev->scdata.format_count);
+ vkGetPhysicalDeviceSurfaceFormatsKHR(dev->pdev, *surface, &dev->scdata.format_count, dev->scdata.formats);
+
+ vkGetPhysicalDeviceSurfacePresentModesKHR(dev->pdev, *surface, &dev->scdata.present_count, NULL);
+ dev->scdata.present_modes = rune_alloc(sizeof(VkPresentModeKHR) * dev->scdata.present_count);
+ vkGetPhysicalDeviceSurfacePresentModesKHR(dev->pdev, *surface, &dev->scdata.present_count, dev->scdata.present_modes);
+}
+
+int get_depth_format(struct vkdev *dev) {
+ const uint64_t count = 3;
+ VkFormat formats[3] = {
+ VK_FORMAT_D32_SFLOAT_S8_UINT,
+ VK_FORMAT_D24_UNORM_S8_UINT,
+ VK_FORMAT_D32_SFLOAT};
+
+ uint32_t flags = VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT;
+ VkFormatProperties props;
+ for (uint64_t i = 0; i < count; i++) {
+ vkGetPhysicalDeviceFormatProperties(dev->pdev, formats[i], &props);
+ if ((props.linearTilingFeatures & flags) == flags) {
+ dev->depth_format = formats[i];
+ return 1;
+ } else if ((props.optimalTilingFeatures & flags) == flags) {
+ dev->depth_format = formats[i];
+ return 1;
+ }
+ }
+ return 0;
+}
+
+uint32_t get_memory_index(struct vkdev *dev, uint32_t type, uint32_t flags) {
+ VkPhysicalDeviceMemoryProperties mem_props;
+ vkGetPhysicalDeviceMemoryProperties(dev->pdev, &mem_props);
+
+ for (uint32_t i = 0; i < mem_props.memoryTypeCount; i++) {
+ uint32_t tmp = type & (1 << i);
+ uint32_t prop_flags = mem_props.memoryTypes[i].propertyFlags;
+ if (tmp & prop_flags & flags)
+ return i;
+ }
+
+ log_output(LOG_WARN, "Unable to find suitable memory type");
+ return -1;
+}
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