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// vk-api.cpp
#include "vk-api.h"
#include "core/slang-list.h"
namespace gfx
{
using namespace Slang;
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! VulkanApi !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
#define VK_API_CHECK_FUNCTION(x) &&hasFunction(#x, (void*)x)
#define VK_API_CHECK_FUNCTIONS(FUNCTION_LIST) true FUNCTION_LIST(VK_API_CHECK_FUNCTION)
static bool hasFunction(const char* name, void* ptr)
{
if (ptr)
return true;
#if 0
fprintf(stderr, "Missing required Vulkan function: %s\n", name);
#endif
return false;
}
bool VulkanApi::areDefined(ProcType type) const
{
switch (type)
{
case ProcType::Global:
return VK_API_CHECK_FUNCTIONS(VK_API_ALL_GLOBAL_PROCS);
case ProcType::Instance:
return VK_API_CHECK_FUNCTIONS(VK_API_ALL_INSTANCE_PROCS) &&
VK_API_CHECK_FUNCTIONS(VK_API_INSTANCE_KHR_PROCS);
case ProcType::Device:
return VK_API_CHECK_FUNCTIONS(VK_API_DEVICE_PROCS);
default:
{
assert(!"Unhandled type");
return false;
}
}
}
Slang::Result VulkanApi::initGlobalProcs(const VulkanModule& module)
{
#define VK_API_GET_GLOBAL_PROC(x) x = (PFN_##x)module.getFunction(#x);
// Initialize all the global functions
VK_API_ALL_GLOBAL_PROCS(VK_API_GET_GLOBAL_PROC)
if (!areDefined(ProcType::Global))
{
return SLANG_FAIL;
}
m_module = &module;
return SLANG_OK;
}
Slang::Result VulkanApi::initInstanceProcs(VkInstance instance)
{
assert(instance && vkGetInstanceProcAddr != nullptr);
#define VK_API_GET_INSTANCE_PROC(x) x = (PFN_##x)vkGetInstanceProcAddr(instance, #x);
VK_API_ALL_INSTANCE_PROCS(VK_API_GET_INSTANCE_PROC)
// Get optional
VK_API_INSTANCE_PROCS_OPT(VK_API_GET_INSTANCE_PROC)
if (!areDefined(ProcType::Instance))
{
return SLANG_FAIL;
}
m_instance = instance;
return SLANG_OK;
}
Slang::Result VulkanApi::initPhysicalDevice(VkPhysicalDevice physicalDevice)
{
assert(m_physicalDevice == VK_NULL_HANDLE);
m_physicalDevice = physicalDevice;
vkGetPhysicalDeviceProperties(m_physicalDevice, &m_deviceProperties);
vkGetPhysicalDeviceFeatures(m_physicalDevice, &m_deviceFeatures);
vkGetPhysicalDeviceMemoryProperties(m_physicalDevice, &m_deviceMemoryProperties);
return SLANG_OK;
}
Slang::Result VulkanApi::initDeviceProcs(VkDevice device)
{
assert(m_instance && device && vkGetDeviceProcAddr != nullptr);
#define VK_API_GET_DEVICE_PROC(x) x = (PFN_##x)vkGetDeviceProcAddr(device, #x);
VK_API_ALL_DEVICE_PROCS(VK_API_GET_DEVICE_PROC)
if (!areDefined(ProcType::Device))
{
return SLANG_FAIL;
}
if (!vkGetBufferDeviceAddressKHR && vkGetBufferDeviceAddressEXT)
vkGetBufferDeviceAddressKHR = vkGetBufferDeviceAddressEXT;
if (!vkGetBufferDeviceAddress && vkGetBufferDeviceAddressKHR)
vkGetBufferDeviceAddress = vkGetBufferDeviceAddressKHR;
if (!vkGetSemaphoreCounterValue && vkGetSemaphoreCounterValueKHR)
vkGetSemaphoreCounterValue = vkGetSemaphoreCounterValueKHR;
if (!vkSignalSemaphore && vkSignalSemaphoreKHR)
vkSignalSemaphore = vkSignalSemaphoreKHR;
m_device = device;
return SLANG_OK;
}
int VulkanApi::findMemoryTypeIndex(uint32_t typeBits, VkMemoryPropertyFlags properties) const
{
assert(typeBits);
const int numMemoryTypes = int(m_deviceMemoryProperties.memoryTypeCount);
// bit holds current test bit against typeBits. Ie bit == 1 << typeBits
uint32_t bit = 1;
for (int i = 0; i < numMemoryTypes; ++i, bit += bit)
{
auto const& memoryType = m_deviceMemoryProperties.memoryTypes[i];
if ((typeBits & bit) && (memoryType.propertyFlags & properties) == properties)
{
return i;
}
}
// assert(!"failed to find a usable memory type");
return -1;
}
int VulkanApi::findQueue(VkQueueFlags reqFlags) const
{
assert(m_physicalDevice != VK_NULL_HANDLE);
uint32_t numQueueFamilies = 0;
vkGetPhysicalDeviceQueueFamilyProperties(m_physicalDevice, &numQueueFamilies, nullptr);
Slang::List<VkQueueFamilyProperties> queueFamilies;
queueFamilies.setCount(numQueueFamilies);
vkGetPhysicalDeviceQueueFamilyProperties(
m_physicalDevice,
&numQueueFamilies,
queueFamilies.getBuffer());
// Find a queue that can service our needs
// VkQueueFlags reqQueueFlags = VK_QUEUE_GRAPHICS_BIT | VK_QUEUE_COMPUTE_BIT;
int queueFamilyIndex = -1;
for (int i = 0; i < int(numQueueFamilies); ++i)
{
if ((queueFamilies[i].queueFlags & reqFlags) == reqFlags)
{
return i;
}
}
return -1;
}
} // namespace gfx
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