mirror of
https://github.com/charles-lunarg/vk-bootstrap.git
synced 2024-11-22 07:24:34 +00:00
Fixed example in readme, made transfer/compute queue selection find a distinct queue,
removed uncessary private members in vkb::Instance, and removed superfluous comment headers
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cf8411ae78
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@ -51,9 +51,11 @@ void device_init()
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}
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vkb::Device device = dev_ret.value();
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VkQueue graphics_queue = get_queue_graphics(device).value();
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VkQueue compute_queue = get_queue_compute(device).value();
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VkQueue transfer_queue = get_queue_transfer(device).value();
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auto graphics_queue_ret = get_graphics_queue(device).value();
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if (!graphics_queue_ret.has_value()){
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//error
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}
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VkQueue graphics_queue = graphics_queue_ret.value();
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}
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```
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@ -186,13 +186,13 @@ detail::Expected<Instance, detail::Error<InstanceError>> InstanceBuilder::build
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}
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if (!info.headless_context) {
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extensions.push_back (VK_KHR_SURFACE_EXTENSION_NAME);
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extensions.push_back ("VK_KHR_surface");
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#if defined(_WIN32)
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extensions.push_back ("VK_KHR_win32_surface");
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#elif defined(__ANDROID__)
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extensions.push_back (VK_KHR_ANDROID_SURFACE_EXTENSION_NAME);
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extensions.push_back ("VK_KHR_android_surface");
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#elif defined(_DIRECT2DISPLAY)
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extensions.push_back (VK_KHR_DISPLAY_EXTENSION_NAME);
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extensions.push_back ("VK_KHR_display");
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#elif defined(__linux__)
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extensions.push_back ("VK_KHR_xcb_surface");
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extensions.push_back ("VK_KHR_xlib_surface");
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@ -355,6 +355,8 @@ InstanceBuilder& InstanceBuilder::add_validation_feature_disable (VkValidationFe
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return *this;
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}
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// ---- Physical Device ---- //
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namespace detail {
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struct SurfaceSupportDetails {
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@ -497,18 +499,30 @@ int get_graphics_queue_index (std::vector<VkQueueFamilyProperties> const& famili
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return -1;
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}
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int get_distinct_compute_queue_index (std::vector<VkQueueFamilyProperties> const& families) {
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int compute = -1;
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for (int i = 0; i < families.size (); i++) {
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if ((families[i].queueFlags & VK_QUEUE_COMPUTE_BIT) &&
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((families[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) == 0))
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return i;
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((families[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) == 0)) {
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if ((families[i].queueFlags & VK_QUEUE_TRANSFER_BIT) == 0) {
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return i;
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} else {
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compute = i;
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}
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}
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}
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return -1;
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return compute;
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}
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int get_distinct_transfer_queue_index (std::vector<VkQueueFamilyProperties> const& families) {
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int transfer = -1;
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for (int i = 0; i < families.size (); i++) {
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if ((families[i].queueFlags & VK_QUEUE_TRANSFER_BIT) &&
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((families[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) == 0))
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return true;
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((families[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) == 0)) {
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if ((families[i].queueFlags & VK_QUEUE_COMPUTE_BIT) == 0) {
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return i;
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} else {
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transfer = i;
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}
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}
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}
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return -1;
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}
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@ -736,10 +750,6 @@ PhysicalDeviceSelector& PhysicalDeviceSelector::select_first_device_unconditiona
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return *this;
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}
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// ---- Queue Selection ---- //
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// ---- Device ---- //
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void destroy_device (Device device) { vkDestroyDevice (device.device, nullptr); }
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@ -832,7 +842,7 @@ DeviceBuilder& DeviceBuilder::custom_queue_setup (std::vector<CustomQueueDescrip
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}
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// ---- Getting Queues ---- //
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// ---- Queues ---- //
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detail::Expected<uint32_t, detail::Error<QueueError>> get_present_queue_index (Device const& device) {
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int present = get_present_queue_index (
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@ -865,31 +875,31 @@ VkQueue get_queue (VkDevice device, int32_t family) {
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detail::Expected<VkQueue, detail::Error<QueueError>> get_present_queue (Device const& device) {
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int present = get_present_queue_index (
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device.physical_device.phys_device, device.surface, device.queue_families);
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if (present >= 0) {
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return get_queue (device.device, present);
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if (present < 0) {
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return detail::Error<QueueError>{ QueueError::present_unavailable };
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}
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return detail::Error<QueueError>{ QueueError::present_unavailable };
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return get_queue (device.device, present);
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}
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detail::Expected<VkQueue, detail::Error<QueueError>> get_graphics_queue (Device const& device) {
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int graphics = get_graphics_queue_index (device.queue_families);
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if (graphics >= 0) {
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return get_queue (device.device, graphics);
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if (graphics < 0) {
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return detail::Error<QueueError>{ QueueError::invalid_queue_family_index };
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}
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return detail::Error<QueueError>{ QueueError::invalid_queue_family_index };
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return get_queue (device.device, graphics);
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}
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detail::Expected<VkQueue, detail::Error<QueueError>> get_compute_queue (Device const& device) {
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int compute = get_distinct_compute_queue_index (device.queue_families);
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if (compute >= 0) {
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return get_queue (device.device, compute);
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if (compute < 0) {
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return detail::Error<QueueError>{ QueueError::compute_unavailable };
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}
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return detail::Error<QueueError>{ QueueError::compute_unavailable };
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return get_queue (device.device, compute);
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}
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detail::Expected<VkQueue, detail::Error<QueueError>> get_transfer_queue (Device const& device) {
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int transfer = get_distinct_transfer_queue_index (device.queue_families);
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if (transfer >= 0) {
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return get_queue (device.device, transfer);
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if (transfer < 0) {
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return detail::Error<QueueError>{ QueueError::transfer_unavailable };
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}
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return detail::Error<QueueError>{ QueueError::transfer_unavailable };
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return get_queue (device.device, transfer);
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}
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@ -113,8 +113,6 @@ struct Instance {
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private:
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bool headless = false;
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bool validation_enabled = false;
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bool debug_callback_enabled = false;
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friend class InstanceBuilder;
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friend class PhysicalDeviceSelector;
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@ -321,14 +319,15 @@ struct Device {
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void destroy_device (Device device);
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struct CustomQueueDescription {
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uint32_t index;
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uint32_t count;
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uint32_t index = 0;
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uint32_t count = 0;
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std::vector<float> priorities;
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};
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class DeviceBuilder {
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public:
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DeviceBuilder (PhysicalDevice device);
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DeviceBuilder (PhysicalDevice physical_device);
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detail::Expected<Device, detail::Error<DeviceError>> build ();
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template <typename T> DeviceBuilder& add_pNext (T* structure);
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