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#pragma once
#include <assert.h>
#include <vulkan/vulkan.h>
#include <vulkan/vulkan_core.h>
#include "darray.h"
#include "defines.h"
#include "log.h"
#include "str.h"
#define VULKAN_PHYS_DEVICE_MAX_EXTENSION_NAMES 36
DECL_TYPED_ARRAY(const char*, cstr)
static void plat_get_required_extension_names(cstr_darray* extensions) {
#ifdef CEL_PLATFORM_LINUX
cstr_darray_push(extensions, "VK_KHR_xcb_surface");
#endif
}
// TODO(omni): port to using internal assert functions
#define VK_CHECK(vulkan_expr) \
{ assert(vulkan_expr == VK_SUCCESS); }
// TODO: typedef struct vk_debugger {} vk_debugger;
typedef struct vulkan_physical_device_requirements {
bool graphics;
bool present;
bool compute;
bool transfer;
str8 device_ext_names[VULKAN_PHYS_DEVICE_MAX_EXTENSION_NAMES];
size_t device_ext_name_count;
bool sampler_anistropy;
bool discrete_gpu;
} vulkan_physical_device_requirements;
typedef struct vulkan_physical_device_queue_family_info {
u32 graphics_family_index;
u32 present_family_index;
u32 compute_family_index;
u32 transfer_family_index;
} vulkan_physical_device_queue_family_info;
#define VULKAN_MAX_DEFAULT 32
typedef struct vulkan_swapchain_support_info {
VkSurfaceCapabilitiesKHR capabilities;
VkSurfaceFormatKHR formats[VULKAN_MAX_DEFAULT];
u32 format_count;
VkPresentModeKHR present_modes[VULKAN_MAX_DEFAULT];
u32 mode_count;
} vulkan_swapchain_support_info;
VKAPI_ATTR VkBool32 VKAPI_CALL vk_debug_callback(
VkDebugUtilsMessageSeverityFlagBitsEXT severity, VkDebugUtilsMessageTypeFlagsEXT flags,
const VkDebugUtilsMessengerCallbackDataEXT* callback_data, void* user_data);
void vulkan_device_query_swapchain_support(VkPhysicalDevice device, VkSurfaceKHR surface,
vulkan_swapchain_support_info* out_support_info) {
// TODO: add VK_CHECK to these calls!
// Surface capabilities
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, surface, &out_support_info->capabilities);
// Surface formats
vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &out_support_info->format_count,
0); // Get number of formats
if (out_support_info->format_count > 0) {
vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &out_support_info->format_count,
out_support_info->formats);
}
// Present Modes
vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &out_support_info->mode_count,
0); // Get number of formats
if (out_support_info->mode_count > 0) {
vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &out_support_info->mode_count,
out_support_info->present_modes);
}
}
static bool physical_device_meets_requirements(
VkPhysicalDevice device, VkSurfaceKHR surface, const VkPhysicalDeviceProperties* properties,
const VkPhysicalDeviceFeatures* features,
const vulkan_physical_device_requirements* requirements,
vulkan_physical_device_queue_family_info* out_queue_info,
vulkan_swapchain_support_info* out_swapchain_support) {
// TODO: pass in an arena
out_queue_info->graphics_family_index = -1;
out_queue_info->present_family_index = -1;
out_queue_info->compute_family_index = -1;
out_queue_info->transfer_family_index = -1;
if (requirements->discrete_gpu) {
if (properties->deviceType != VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) {
TRACE("Device is not a physical GPU. Skipping.");
return false;
}
}
u32 queue_family_count = 0;
vkGetPhysicalDeviceQueueFamilyProperties(device, &queue_family_count, 0);
VkQueueFamilyProperties queue_families[queue_family_count];
vkGetPhysicalDeviceQueueFamilyProperties(device, &queue_family_count, queue_families);
INFO("Graphics | Present | Compute | Transfer | Name");
u8 min_transfer_score = 255;
for (u32 i = 0; i < queue_family_count; i++) {
u8 current_transfer_score = 0;
// Graphics queue
if (queue_families[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
out_queue_info->graphics_family_index = i;
current_transfer_score++;
}
// Compute queue
if (queue_families[i].queueFlags & VK_QUEUE_COMPUTE_BIT) {
out_queue_info->compute_family_index = i;
current_transfer_score++;
}
// Transfer queue
if (queue_families[i].queueFlags & VK_QUEUE_TRANSFER_BIT) {
// always take the lowest score transfer index
if (current_transfer_score <= min_transfer_score) {
min_transfer_score = current_transfer_score;
out_queue_info->transfer_family_index = i;
}
}
// Present Queue
VkBool32 supports_present = VK_FALSE;
vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, &supports_present);
if (supports_present) {
out_queue_info->present_family_index = i;
}
}
INFO(" %d | %d | %d | %d | %s",
out_queue_info->graphics_family_index != -1, out_queue_info->present_family_index != -1,
out_queue_info->compute_family_index != -1, out_queue_info->transfer_family_index != -1,
properties->deviceName);
TRACE("Graphics Family queue index: %d", out_queue_info->graphics_family_index);
TRACE("Present Family queue index: %d", out_queue_info->present_family_index);
TRACE("Compute Family queue index: %d", out_queue_info->compute_family_index);
TRACE("Transfer Family queue index: %d", out_queue_info->transfer_family_index);
if ((!requirements->graphics ||
(requirements->graphics && out_queue_info->graphics_family_index != -1))) {
INFO("Physical device meets our requirements! Proceed.");
vulkan_device_query_swapchain_support(
device, surface, out_swapchain_support
// TODO: error handling i.e. format count = 0 or present mode = 0
);
return true;
}
return false;
}
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