diff options
Diffstat (limited to 'src/vk-renderer.cpp')
| -rw-r--r-- | src/vk-renderer.cpp | 63 |
1 files changed, 59 insertions, 4 deletions
diff --git a/src/vk-renderer.cpp b/src/vk-renderer.cpp index d26fe86..7bfad90 100644 --- a/src/vk-renderer.cpp +++ b/src/vk-renderer.cpp @@ -19,12 +19,13 @@ VKAPI_ATTR VkBool32 VKAPI_CALL DebugCallback(VkDebugUtilsMessageSeverityFlagBits return VK_FALSE; } - -vkrenderer::vkrenderer() { +vkrenderer::vkrenderer(window& wnd) { load_vulkan(); create_instance(); + create_surface(wnd); create_device(); + create_swapchain(wnd); create_pipeline(); create_memory_allocator(); create_command_buffer(); @@ -84,7 +85,9 @@ void vkrenderer::create_instance() { "VK_LAYER_KHRONOS_validation", }; std::vector<const char*> extensions = { - VK_EXT_DEBUG_UTILS_EXTENSION_NAME + VK_EXT_DEBUG_UTILS_EXTENSION_NAME, + "VK_KHR_surface", + "VK_KHR_xcb_surface" }; VkInstanceCreateInfo instance_create_info = {}; @@ -125,6 +128,17 @@ void vkrenderer::create_debugger() { )) } +void vkrenderer::create_surface(window& wnd) { + VkXcbSurfaceCreateInfoKHR create_info = {}; + create_info.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR; + create_info.pNext = nullptr; + create_info.flags = 0; + create_info.connection = wnd.connection; + create_info.window = wnd.win; + + VKRESULT(vkCreateXcbSurfaceKHR(instance, &create_info, nullptr, &platform_surface)) +} + void vkrenderer::create_device() { select_physical_device(); select_compute_queue(); @@ -139,12 +153,17 @@ void vkrenderer::create_device() { VkPhysicalDeviceFeatures device_features = {}; + std::vector<const char*> device_ext = { + "VK_KHR_swapchain" + }; + VkDeviceCreateInfo device_create_info = {}; device_create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO; device_create_info.pQueueCreateInfos = &queue_create_info; device_create_info.queueCreateInfoCount = 1; device_create_info.pEnabledFeatures = &device_features; - device_create_info.enabledExtensionCount = 0; // None yet + device_create_info.ppEnabledExtensionNames = device_ext.data(); + device_create_info.enabledExtensionCount = device_ext.size(); device_create_info.enabledLayerCount = 0; // Deprecated https://www.khronos.org/registry/vulkan/specs/1.2/html/chap31.html#extendingvulkan-layers-devicelayerdeprecation VKRESULT(vkCreateDevice(physical_device, &device_create_info, nullptr, &device)) @@ -156,6 +175,42 @@ void vkrenderer::create_device() { std::cerr << "Device ready" << std::endl; } +void vkrenderer::create_swapchain(window& wnd) { + VkBool32 queue_support_presentation = VK_FALSE; + VKRESULT(vkGetPhysicalDeviceSurfaceSupportKHR(physical_device, compute_queue_index, platform_surface, &queue_support_presentation)); + + VkSurfaceCapabilitiesKHR caps; + VKRESULT(vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physical_device, platform_surface, &caps)) + + uint32_t supported_formats_count = 0; + VKRESULT(vkGetPhysicalDeviceSurfaceFormatsKHR(physical_device, platform_surface, &supported_formats_count, VK_NULL_HANDLE)) + + std::vector<VkSurfaceFormatKHR> supported_formats { supported_formats_count }; + VKRESULT(vkGetPhysicalDeviceSurfaceFormatsKHR(physical_device, platform_surface, &supported_formats_count, supported_formats.data())) + + VkSwapchainCreateInfoKHR create_info = {}; + create_info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR; + create_info.pNext = nullptr; + create_info.flags = 0; + create_info.surface = platform_surface; + create_info.minImageCount = swapchain_images_count; + create_info.imageFormat = supported_formats[0].format; + create_info.imageColorSpace = supported_formats[0].colorSpace; + create_info.imageExtent = caps.currentExtent; + create_info.imageArrayLayers = 1; + create_info.imageUsage = VK_IMAGE_USAGE_STORAGE_BIT; + create_info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE; + create_info.preTransform = caps.currentTransform; + create_info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR; + create_info.presentMode = VK_PRESENT_MODE_FIFO_KHR; + create_info.clipped = VK_TRUE; + create_info.oldSwapchain = VK_NULL_HANDLE; + + VKRESULT(vkCreateSwapchainKHR(device, &create_info, nullptr, &swapchain)) + + VKRESULT(vkGetSwapchainImagesKHR(device, swapchain, (uint32_t*)&swapchain_images_count, swapchain_images.data())) +} + void vkrenderer::create_pipeline() { std::vector<uint8_t> shader_code = get_shader_code("./shaders/compute.comp.spv"); if (shader_code.size() == 0) { |