diff --git a/README.md b/README.md index 77a98ca7..e514ced3 100644 --- a/README.md +++ b/README.md @@ -124,6 +124,7 @@ information on what to include when reporting a bug. - Added `GLFW_UNLIMITED_MOUSE_BUTTONS` input mode that allows mouse buttons beyond the limit of the mouse button tokens to be reported (#2423) - [Wayland] Bugfix: The fractional scaling related objects were not destroyed + - [Null] Added Vulkan 'window' surface creation via `VK_EXT_headless_surface` ## Contact diff --git a/src/internal.h b/src/internal.h index eae87c73..e36c4455 100644 --- a/src/internal.h +++ b/src/internal.h @@ -277,6 +277,7 @@ typedef enum VkStructureType VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR = 1000009000, VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK = 1000123000, VK_STRUCTURE_TYPE_METAL_SURFACE_CREATE_INFO_EXT = 1000217000, + VK_STRUCTURE_TYPE_HEADLESS_SURFACE_CREATE_INFO_EXT = 1000256000, VK_STRUCTURE_TYPE_MAX_ENUM = 0x7FFFFFFF } VkStructureType; @@ -861,6 +862,7 @@ struct _GLFWlibrary GLFWbool KHR_xlib_surface; GLFWbool KHR_xcb_surface; GLFWbool KHR_wayland_surface; + GLFWbool EXT_headless_surface; } vk; struct { diff --git a/src/null_platform.h b/src/null_platform.h index 8222b0de..dbcb835b 100644 --- a/src/null_platform.h +++ b/src/null_platform.h @@ -156,6 +156,17 @@ #define GLFW_NULL_SC_MENU 120 #define GLFW_NULL_SC_LAST GLFW_NULL_SC_MENU +typedef VkFlags VkHeadlessSurfaceCreateFlagsEXT; + +typedef struct VkHeadlessSurfaceCreateInfoEXT +{ + VkStructureType sType; + const void* pNext; + VkHeadlessSurfaceCreateFlagsEXT flags; +} VkHeadlessSurfaceCreateInfoEXT; + +typedef VkResult (APIENTRY *PFN_vkCreateHeadlessSurfaceEXT)(VkInstance,const VkHeadlessSurfaceCreateInfoEXT*,const VkAllocationCallbacks*,VkSurfaceKHR*); + // Null-specific per-window data // typedef struct _GLFWwindowNull diff --git a/src/null_window.c b/src/null_window.c index 75326065..f31489b0 100644 --- a/src/null_window.c +++ b/src/null_window.c @@ -28,6 +28,7 @@ #include "internal.h" #include +#include static void applySizeLimits(_GLFWwindow* window, int* width, int* height) { @@ -699,13 +700,18 @@ int _glfwGetKeyScancodeNull(int key) void _glfwGetRequiredInstanceExtensionsNull(char** extensions) { + if (!_glfw.vk.KHR_surface || !_glfw.vk.EXT_headless_surface) + return; + + extensions[0] = "VK_KHR_surface"; + extensions[1] = "VK_EXT_headless_surface"; } GLFWbool _glfwGetPhysicalDevicePresentationSupportNull(VkInstance instance, VkPhysicalDevice device, uint32_t queuefamily) { - return GLFW_FALSE; + return GLFW_TRUE; } VkResult _glfwCreateWindowSurfaceNull(VkInstance instance, @@ -713,7 +719,28 @@ VkResult _glfwCreateWindowSurfaceNull(VkInstance instance, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface) { - // This seems like the most appropriate error to return here - return VK_ERROR_EXTENSION_NOT_PRESENT; + PFN_vkCreateHeadlessSurfaceEXT vkCreateHeadlessSurfaceEXT = + (PFN_vkCreateHeadlessSurfaceEXT) + vkGetInstanceProcAddr(instance, "vkCreateHeadlessSurfaceEXT"); + if (!vkCreateHeadlessSurfaceEXT) + { + _glfwInputError(GLFW_API_UNAVAILABLE, + "Null: Vulkan instance missing VK_EXT_headless_surface extension"); + return VK_ERROR_EXTENSION_NOT_PRESENT; + } + + VkHeadlessSurfaceCreateInfoEXT sci; + memset(&sci, 0, sizeof(sci)); + sci.sType = VK_STRUCTURE_TYPE_HEADLESS_SURFACE_CREATE_INFO_EXT; + + const VkResult err = vkCreateHeadlessSurfaceEXT(instance, &sci, allocator, surface); + if (err) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Null: Failed to create Vulkan surface: %s", + _glfwGetVulkanResultString(err)); + } + + return err; } diff --git a/src/vulkan.c b/src/vulkan.c index 274d21ca..3f76c540 100644 --- a/src/vulkan.c +++ b/src/vulkan.c @@ -142,6 +142,8 @@ GLFWbool _glfwInitVulkan(int mode) _glfw.vk.KHR_xcb_surface = GLFW_TRUE; else if (strcmp(ep[i].extensionName, "VK_KHR_wayland_surface") == 0) _glfw.vk.KHR_wayland_surface = GLFW_TRUE; + else if (strcmp(ep[i].extensionName, "VK_EXT_headless_surface") == 0) + _glfw.vk.EXT_headless_surface = GLFW_TRUE; } _glfw_free(ep);