RetroArch/gfx/drivers_context/wayland_ctx_vulkan.c
Hans-Kristian Arntzen adbf9fed16 Vulkan implementation.
2016-02-16 20:42:02 +01:00

825 lines
25 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2016 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#define VK_USE_PLATFORM_WAYLAND_KHR
#include "../common/vulkan_common.h"
#include "../video_context_driver.h"
#include <sys/poll.h>
#include <unistd.h>
#include <signal.h>
#include <wayland-client.h>
#include "../../driver.h"
#include "../../general.h"
#include "../../runloop.h"
static volatile sig_atomic_t g_quit = 0;
static VkInstance cached_instance;
static VkDevice cached_device;
static void sighandler(int sig)
{
(void)sig;
g_quit = 1;
}
static void install_sighandlers(void)
{
struct sigaction sa;
sa.sa_sigaction = NULL;
sa.sa_handler = sighandler;
sa.sa_flags = SA_RESTART;
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
}
#define GET_INSTANCE_PROC_ADDR(inst, entrypoint) do { \
wl->fp##entrypoint = (PFN_vk##entrypoint) vkGetInstanceProcAddr(inst, "vk"#entrypoint); \
if (wl->fp##entrypoint == NULL) { \
RARCH_ERR("vkGetInstanceProcAddr failed to find vk%s\n", #entrypoint); \
goto error; \
} \
} while(0)
#define GET_DEVICE_PROC_ADDR(dev, entrypoint) do { \
wl->fp##entrypoint = (PFN_vk##entrypoint) vkGetDeviceProcAddr(dev, "vk" #entrypoint); \
if (wl->fp##entrypoint == NULL) { \
RARCH_ERR("vkGetDeviceProcAddr failed to find vk%s\n", #entrypoint); \
goto error; \
} \
} while(0)
typedef struct gfx_ctx_wayland_data
{
struct vulkan_context context;
bool resize;
int fd;
unsigned width;
unsigned height;
struct wl_display *dpy;
struct wl_registry *registry;
struct wl_compositor *compositor;
struct wl_surface *surf;
struct wl_shell_surface *shell_surf;
struct wl_shell *shell;
unsigned swap_interval;
bool need_new_swapchain;
unsigned buffer_scale;
PFN_vkGetPhysicalDeviceSurfaceSupportKHR fpGetPhysicalDeviceSurfaceSupportKHR;
PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR fpGetPhysicalDeviceSurfaceCapabilitiesKHR;
PFN_vkGetPhysicalDeviceSurfaceFormatsKHR fpGetPhysicalDeviceSurfaceFormatsKHR;
PFN_vkGetPhysicalDeviceSurfacePresentModesKHR fpGetPhysicalDeviceSurfacePresentModesKHR;
PFN_vkCreateSwapchainKHR fpCreateSwapchainKHR;
PFN_vkDestroySwapchainKHR fpDestroySwapchainKHR;
PFN_vkGetSwapchainImagesKHR fpGetSwapchainImagesKHR;
PFN_vkAcquireNextImageKHR fpAcquireNextImageKHR;
PFN_vkQueuePresentKHR fpQueuePresentKHR;
PFN_vkCreateWaylandSurfaceKHR fpCreateWaylandSurfaceKHR;
PFN_vkDestroySurfaceKHR fpDestroySurfaceKHR;
VkSurfaceKHR surface;
VkSwapchainKHR swapchain;
} gfx_ctx_wayland_data_t;
static bool vulkan_create_swapchain(gfx_ctx_wayland_data_t *wl);
/* Shell surface callbacks. */
static void shell_surface_handle_ping(void *data,
struct wl_shell_surface *shell_surface,
uint32_t serial)
{
(void)data;
wl_shell_surface_pong(shell_surface, serial);
}
static void shell_surface_handle_configure(void *data,
struct wl_shell_surface *shell_surface,
uint32_t edges, int32_t width, int32_t height)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
(void)shell_surface;
(void)edges;
wl->width = wl->buffer_scale * width;
wl->height = wl->buffer_scale * height;
RARCH_LOG("[Wayland/Vulkan]: Surface configure: %u x %u.\n",
wl->width, wl->height);
}
static void shell_surface_handle_popup_done(void *data,
struct wl_shell_surface *shell_surface)
{
(void)data;
(void)shell_surface;
}
static const struct wl_shell_surface_listener shell_surface_listener = {
shell_surface_handle_ping,
shell_surface_handle_configure,
shell_surface_handle_popup_done,
};
/* Registry callbacks. */
static void registry_handle_global(void *data, struct wl_registry *reg,
uint32_t id, const char *interface, uint32_t version)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
(void)version;
if (!strcmp(interface, "wl_compositor"))
wl->compositor = (struct wl_compositor*)wl_registry_bind(reg, id, &wl_compositor_interface, 3);
else if (!strcmp(interface, "wl_shell"))
wl->shell = (struct wl_shell*)wl_registry_bind(reg, id, &wl_shell_interface, 1);
}
static void registry_handle_global_remove(void *data,
struct wl_registry *registry, uint32_t id)
{
(void)data;
(void)registry;
(void)id;
}
static const struct wl_registry_listener registry_listener = {
registry_handle_global,
registry_handle_global_remove,
};
static void gfx_ctx_wl_get_video_size(void *data,
unsigned *width, unsigned *height);
static void gfx_ctx_wl_destroy_resources(gfx_ctx_wayland_data_t *wl)
{
unsigned i;
if (!wl)
return;
if (wl->context.queue)
vkQueueWaitIdle(wl->context.queue);
if (wl->swapchain)
wl->fpDestroySwapchainKHR(wl->context.device, wl->swapchain, NULL);
if (wl->surface)
wl->fpDestroySurfaceKHR(wl->context.instance, wl->surface, NULL);
for (i = 0; i < VULKAN_MAX_SWAPCHAIN_IMAGES; i++)
{
if (wl->context.swapchain_semaphores[i] != VK_NULL_HANDLE)
vkDestroySemaphore(wl->context.device, wl->context.swapchain_semaphores[i], NULL);
if (wl->context.swapchain_fences[i] != VK_NULL_HANDLE)
vkDestroyFence(wl->context.device, wl->context.swapchain_fences[i], NULL);
}
if (video_driver_ctl(RARCH_DISPLAY_CTL_IS_VIDEO_CACHE_CONTEXT, NULL))
{
cached_device = wl->context.device;
cached_instance = wl->context.instance;
}
else
{
if (wl->context.device)
vkDestroyDevice(wl->context.device, NULL);
if (wl->context.instance)
vkDestroyInstance(wl->context.instance, NULL);
}
if (wl->fd >= 0)
close(wl->fd);
if (wl->shell_surf)
wl_shell_surface_destroy(wl->shell_surf);
if (wl->surf)
wl_surface_destroy(wl->surf);
if (wl->compositor)
wl_compositor_destroy(wl->compositor);
if (wl->registry)
wl_registry_destroy(wl->registry);
if (wl->dpy)
wl_display_disconnect(wl->dpy);
wl->dpy = NULL;
wl->shell = NULL;
wl->compositor = NULL;
wl->registry = NULL;
wl->dpy = NULL;
wl->shell_surf = NULL;
wl->surf = NULL;
wl->width = 0;
wl->height = 0;
}
static void flush_wayland_fd(gfx_ctx_wayland_data_t *wl)
{
struct pollfd fd = {0};
wl_display_dispatch_pending(wl->dpy);
wl_display_flush(wl->dpy);
fd.fd = wl->fd;
fd.events = POLLIN | POLLOUT | POLLERR | POLLHUP;
if (poll(&fd, 1, 0) > 0)
{
if (fd.revents & (POLLERR | POLLHUP))
{
close(wl->fd);
g_quit = true;
}
if (fd.revents & POLLIN)
wl_display_dispatch(wl->dpy);
if (fd.revents & POLLOUT)
wl_display_flush(wl->dpy);
}
}
static void gfx_ctx_wl_check_window(void *data, bool *quit,
bool *resize, unsigned *width, unsigned *height,
unsigned frame_count)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
unsigned new_width, new_height;
(void)frame_count;
flush_wayland_fd(wl);
new_width = *width;
new_height = *height;
gfx_ctx_wl_get_video_size(wl, &new_width, &new_height);
/* Swapchains are recreated in set_resize as a central place, so use that to trigger swapchain reinit. */
*resize = wl->need_new_swapchain;
if (new_width != *width || new_height != *height)
{
*resize = true;
*width = new_width;
*height = new_height;
}
*quit = g_quit;
}
static bool gfx_ctx_wl_set_resize(void *data, unsigned width, unsigned height)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->width = width;
wl->height = height;
if (!vulkan_create_swapchain(wl))
{
RARCH_ERR("[Wayland/Vulkan]: Failed to update swapchain.\n");
return false;
}
else
wl->context.invalid_swapchain = true;
wl->need_new_swapchain = false;
return true;
}
static void gfx_ctx_wl_update_window_title(void *data)
{
char buf[128] = {0};
char buf_fps[128] = {0};
settings_t *settings = config_get_ptr();
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (video_monitor_get_fps(buf, sizeof(buf),
buf_fps, sizeof(buf_fps)))
wl_shell_surface_set_title(wl->shell_surf, buf);
if (settings->fps_show)
runloop_msg_queue_push(buf_fps, 1, 1, false);
}
static void gfx_ctx_wl_get_video_size(void *data,
unsigned *width, unsigned *height)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
*width = wl->width;
*height = wl->height;
}
#define DEFAULT_WINDOWED_WIDTH 640
#define DEFAULT_WINDOWED_HEIGHT 480
static void *gfx_ctx_wl_init(void *video_driver)
{
VkApplicationInfo app = { VK_STRUCTURE_TYPE_APPLICATION_INFO };
VkInstanceCreateInfo info = { VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO };
VkDeviceQueueCreateInfo queue_info = { VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO };
VkPhysicalDeviceFeatures features = { false };
VkDeviceCreateInfo device_info = { VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO };
uint32_t gpu_count = 1;
uint32_t queue_count;
bool found_queue = false;
unsigned i;
VkQueueFamilyProperties queue_properties[32];
static const float one = 1.0f;
static const char *instance_extensions[] = {
"VK_KHR_surface",
"VK_KHR_wayland_surface",
};
static const char *device_extensions[] = {
"VK_KHR_swapchain",
};
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)
calloc(1, sizeof(gfx_ctx_wayland_data_t));
if (!wl)
return NULL;
wl->dpy = wl_display_connect(NULL);
if (!wl->dpy)
{
RARCH_ERR("Failed to connect to Wayland server.\n");
goto error;
}
install_sighandlers();
wl->registry = wl_display_get_registry(wl->dpy);
wl_registry_add_listener(wl->registry, &registry_listener, wl);
wl_display_roundtrip(wl->dpy);
if (!wl->compositor)
{
RARCH_ERR("Failed to create compositor.\n");
goto error;
}
if (!wl->shell)
{
RARCH_ERR("Failed to create shell.\n");
goto error;
}
wl->fd = wl_display_get_fd(wl->dpy);
app.pApplicationName = "RetroArch";
app.applicationVersion = 0;
app.pEngineName = "RetroArch";
app.engineVersion = 0;
app.apiVersion = VK_API_VERSION;
info.pApplicationInfo = &app;
info.enabledExtensionCount = ARRAY_SIZE(instance_extensions);
info.ppEnabledExtensionNames = instance_extensions;
if (cached_instance)
{
wl->context.instance = cached_instance;
cached_instance = NULL;
}
else if (vkCreateInstance(&info, NULL, &wl->context.instance) != VK_SUCCESS)
goto error;
if (vkEnumeratePhysicalDevices(wl->context.instance, &gpu_count, &wl->context.gpu) != VK_SUCCESS)
goto error;
if (gpu_count != 1)
{
RARCH_ERR("[Wayland/Vulkan]: Failed to enumerate Vulkan physical device.\n");
goto error;
}
vkGetPhysicalDeviceProperties(wl->context.gpu, &wl->context.gpu_properties);
vkGetPhysicalDeviceMemoryProperties(wl->context.gpu, &wl->context.memory_properties);
vkGetPhysicalDeviceQueueFamilyProperties(wl->context.gpu, &queue_count, NULL);
if (queue_count < 1 || queue_count > 32)
goto error;
vkGetPhysicalDeviceQueueFamilyProperties(wl->context.gpu, &queue_count, queue_properties);
for (i = 0; i < queue_count; i++)
{
if (queue_properties[i].queueFlags & VK_QUEUE_GRAPHICS_BIT)
{
wl->context.graphics_queue_index = i;
RARCH_LOG("[Wayland/Vulkan]: Device supports %u sub-queues.\n",
queue_properties[i].queueCount);
found_queue = true;
break;
}
}
if (!found_queue)
{
RARCH_ERR("[Wayland/Vulkan]: Did not find suitable graphics queue.\n");
goto error;
}
queue_info.queueFamilyIndex = wl->context.graphics_queue_index;
queue_info.queueCount = 1;
queue_info.pQueuePriorities = &one;
device_info.queueCreateInfoCount = 1;
device_info.pQueueCreateInfos = &queue_info;
device_info.enabledExtensionCount = ARRAY_SIZE(device_extensions);
device_info.ppEnabledExtensionNames = device_extensions;
device_info.pEnabledFeatures = &features;
if (cached_device)
{
wl->context.device = cached_device;
cached_device = NULL;
video_driver_ctl(RARCH_DISPLAY_CTL_SET_VIDEO_CACHE_CONTEXT_ACK, NULL);
RARCH_LOG("[Vulkan]: Using cached Vulkan context.\n");
}
else if (vkCreateDevice(wl->context.gpu, &device_info, NULL, &wl->context.device) != VK_SUCCESS)
goto error;
vkGetDeviceQueue(wl->context.device, wl->context.graphics_queue_index, 0, &wl->context.queue);
GET_INSTANCE_PROC_ADDR(wl->context.instance, GetPhysicalDeviceSurfaceSupportKHR);
GET_INSTANCE_PROC_ADDR(wl->context.instance, GetPhysicalDeviceSurfaceCapabilitiesKHR);
GET_INSTANCE_PROC_ADDR(wl->context.instance, GetPhysicalDeviceSurfaceFormatsKHR);
GET_INSTANCE_PROC_ADDR(wl->context.instance, GetPhysicalDeviceSurfacePresentModesKHR);
GET_INSTANCE_PROC_ADDR(wl->context.instance, CreateWaylandSurfaceKHR);
GET_INSTANCE_PROC_ADDR(wl->context.instance, DestroySurfaceKHR);
GET_DEVICE_PROC_ADDR(wl->context.device, CreateSwapchainKHR);
GET_DEVICE_PROC_ADDR(wl->context.device, DestroySwapchainKHR);
GET_DEVICE_PROC_ADDR(wl->context.device, GetSwapchainImagesKHR);
GET_DEVICE_PROC_ADDR(wl->context.device, AcquireNextImageKHR);
GET_DEVICE_PROC_ADDR(wl->context.device, QueuePresentKHR);
wl->context.queue_lock = slock_new();
if (!wl->context.queue_lock)
goto error;
return wl;
error:
gfx_ctx_wl_destroy_resources(wl);
free(wl);
return NULL;
}
static void gfx_ctx_wl_destroy(void *data)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (!wl)
return;
gfx_ctx_wl_destroy_resources(wl);
if (wl->context.queue_lock)
slock_free(wl->context.queue_lock);
free(wl);
}
static void vulkan_acquire_next_image(gfx_ctx_wayland_data_t *wl)
{
VkResult err;
VkSemaphoreCreateInfo sem_info = { VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO };
VkFenceCreateInfo info = { VK_STRUCTURE_TYPE_FENCE_CREATE_INFO };
VkFence fence;
VkFence *next_fence;
unsigned index;
vkCreateFence(wl->context.device, &info, NULL, &fence);
err = wl->fpAcquireNextImageKHR(wl->context.device, wl->swapchain, UINT64_MAX,
VK_NULL_HANDLE, fence, &wl->context.current_swapchain_index);
index = wl->context.current_swapchain_index;
if (wl->context.swapchain_semaphores[index] == VK_NULL_HANDLE)
vkCreateSemaphore(wl->context.device, &sem_info, NULL, &wl->context.swapchain_semaphores[index]);
vkWaitForFences(wl->context.device, 1, &fence, true, UINT64_MAX);
vkDestroyFence(wl->context.device, fence, NULL);
next_fence = &wl->context.swapchain_fences[index];
if (*next_fence != VK_NULL_HANDLE)
{
vkWaitForFences(wl->context.device, 1, next_fence, true, UINT64_MAX);
vkResetFences(wl->context.device, 1, next_fence);
}
else
vkCreateFence(wl->context.device, &info, NULL, next_fence);
if (err != VK_SUCCESS)
{
RARCH_LOG("[Wayland/Vulkan]: AcquireNextImage failed, invalidating swapchain.\n");
wl->context.invalid_swapchain = true;
}
}
static bool vulkan_create_swapchain(gfx_ctx_wayland_data_t *wl)
{
VkSurfaceCapabilitiesKHR surface_properties;
VkSurfaceFormatKHR formats[256];
VkSurfaceFormatKHR format;
VkExtent2D swapchain_size;
VkPresentModeKHR swapchain_present_mode = wl->swap_interval ? VK_PRESENT_MODE_FIFO_KHR : VK_PRESENT_MODE_MAILBOX_KHR;
VkSurfaceTransformFlagBitsKHR pre_transform;
VkSwapchainKHR old_swapchain;
VkSwapchainCreateInfoKHR info = { VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR };
uint32_t format_count;
uint32_t desired_swapchain_images;
unsigned i;
RARCH_LOG("[Wayland/Vulkan]: Creating swapchain with present mode: %u\n", (unsigned)swapchain_present_mode);
wl->fpGetPhysicalDeviceSurfaceCapabilitiesKHR(wl->context.gpu, wl->surface, &surface_properties);
wl->fpGetPhysicalDeviceSurfaceFormatsKHR(wl->context.gpu, wl->surface, &format_count, NULL);
wl->fpGetPhysicalDeviceSurfaceFormatsKHR(wl->context.gpu, wl->surface, &format_count, formats);
if (format_count == 1 && formats[0].format == VK_FORMAT_UNDEFINED)
{
format = formats[0];
format.format = VK_FORMAT_B8G8R8A8_UNORM;
}
else
{
if (format_count == 0)
{
RARCH_ERR("[Wayland Vulkan]: Surface has no formats.\n");
return false;
}
format = formats[0];
}
if (surface_properties.currentExtent.width == -1)
{
swapchain_size.width = wl->width;
swapchain_size.height = wl->height;
}
else
swapchain_size = surface_properties.currentExtent;
desired_swapchain_images = surface_properties.minImageCount + 1;
if ((surface_properties.maxImageCount > 0) && (desired_swapchain_images > surface_properties.maxImageCount))
desired_swapchain_images = surface_properties.maxImageCount;
if (surface_properties.supportedTransforms & VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR)
pre_transform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
else
pre_transform = surface_properties.currentTransform;
old_swapchain = wl->swapchain;
info.surface = wl->surface;
info.minImageCount = desired_swapchain_images;
info.imageFormat = format.format;
info.imageColorSpace = format.colorSpace;
info.imageExtent.width = swapchain_size.width;
info.imageExtent.height = swapchain_size.height;
info.imageArrayLayers = 1;
info.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
info.preTransform = pre_transform;
info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
info.presentMode = swapchain_present_mode;
info.clipped = true;
info.oldSwapchain = old_swapchain;
wl->fpCreateSwapchainKHR(wl->context.device, &info, NULL, &wl->swapchain);
if (old_swapchain != VK_NULL_HANDLE)
wl->fpDestroySwapchainKHR(wl->context.device, old_swapchain, NULL);
wl->context.swapchain_width = swapchain_size.width;
wl->context.swapchain_height = swapchain_size.height;
/* Make sure we create a backbuffer format that is as we expect. */
switch (format.format)
{
case VK_FORMAT_B8G8R8A8_SRGB:
wl->context.swapchain_format = VK_FORMAT_B8G8R8A8_UNORM;
wl->context.swapchain_is_srgb = true;
break;
case VK_FORMAT_R8G8B8A8_SRGB:
wl->context.swapchain_format = VK_FORMAT_R8G8B8A8_UNORM;
wl->context.swapchain_is_srgb = true;
break;
case VK_FORMAT_R8G8B8_SRGB:
wl->context.swapchain_format = VK_FORMAT_R8G8B8_UNORM;
wl->context.swapchain_is_srgb = true;
break;
case VK_FORMAT_B8G8R8_SRGB:
wl->context.swapchain_format = VK_FORMAT_B8G8R8_UNORM;
wl->context.swapchain_is_srgb = true;
break;
default:
wl->context.swapchain_format = format.format;
break;
}
wl->fpGetSwapchainImagesKHR(wl->context.device, wl->swapchain,
&wl->context.num_swapchain_images, NULL);
wl->fpGetSwapchainImagesKHR(wl->context.device, wl->swapchain,
&wl->context.num_swapchain_images, wl->context.swapchain_images);
for (i = 0; i < wl->context.num_swapchain_images; i++)
{
if (wl->context.swapchain_fences[i])
{
vkDestroyFence(wl->context.device, wl->context.swapchain_fences[i], NULL);
wl->context.swapchain_fences[i] = VK_NULL_HANDLE;
}
}
vulkan_acquire_next_image(wl);
return true;
}
static void vulkan_present(gfx_ctx_wayland_data_t *wl, unsigned index)
{
VkResult result = VK_SUCCESS, err = VK_SUCCESS;
VkPresentInfoKHR present = { VK_STRUCTURE_TYPE_PRESENT_INFO_KHR };
present.swapchainCount = 1;
present.pSwapchains = &wl->swapchain;
present.pImageIndices = &index;
present.pResults = &result;
present.waitSemaphoreCount = 1;
present.pWaitSemaphores = &wl->context.swapchain_semaphores[index];
/* Better hope QueuePresent doesn't block D: */
slock_lock(wl->context.queue_lock);
err = wl->fpQueuePresentKHR(wl->context.queue, &present);
if (err != VK_SUCCESS || result != VK_SUCCESS)
{
RARCH_LOG("[Wayland/Vulkan]: QueuePresent failed, invalidating swapchain.\n");
wl->context.invalid_swapchain = true;
}
slock_unlock(wl->context.queue_lock);
}
static void gfx_ctx_wl_swap_buffers(void *data)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
vulkan_present(wl, wl->context.current_swapchain_index);
vulkan_acquire_next_image(wl);
flush_wayland_fd(wl);
}
static void gfx_ctx_wl_set_swap_interval(void *data, unsigned swap_interval)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (wl->swap_interval != swap_interval)
{
wl->swap_interval = swap_interval;
if (wl->swapchain)
wl->need_new_swapchain = true;
}
}
static bool gfx_ctx_wl_set_video_mode(void *data,
unsigned width, unsigned height,
bool fullscreen)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
VkWaylandSurfaceCreateInfoKHR wl_info = { VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR };
wl->width = width ? width : DEFAULT_WINDOWED_WIDTH;
wl->height = height ? height : DEFAULT_WINDOWED_HEIGHT;
/* TODO: Use wl_output::scale to obtain correct value. */
wl->buffer_scale = 1;
wl->surf = wl_compositor_create_surface(wl->compositor);
wl_surface_set_buffer_scale(wl->surf, wl->buffer_scale);
wl->shell_surf = wl_shell_get_shell_surface(wl->shell, wl->surf);
wl_shell_surface_add_listener(wl->shell_surf, &shell_surface_listener, wl);
wl_shell_surface_set_toplevel(wl->shell_surf);
wl_shell_surface_set_class(wl->shell_surf, "RetroArch");
wl_shell_surface_set_title(wl->shell_surf, "RetroArch");
if (fullscreen)
wl_shell_surface_set_fullscreen(wl->shell_surf, WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT, 0, NULL);
flush_wayland_fd(wl);
wl_display_roundtrip(wl->dpy);
wl_info.display = wl->dpy;
wl_info.surface = wl->surf;
wl->fpCreateWaylandSurfaceKHR(wl->context.instance, &wl_info, NULL, &wl->surface);
if (!vulkan_create_swapchain(wl))
goto error;
return true;
error:
gfx_ctx_wl_destroy(data);
return false;
}
static void gfx_ctx_wl_input_driver(void *data,
const input_driver_t **input, void **input_data)
{
(void)data;
#if 0
void *wl = input_wayland.init();
*input = wl ? &input_wayland : NULL;
*input_data = wl;
#endif
*input = NULL;
*input_data = NULL;
}
static bool gfx_ctx_wl_has_focus(void *data)
{
(void)data;
return true;
}
static bool gfx_ctx_wl_suppress_screensaver(void *data, bool enable)
{
(void)data;
(void)enable;
return true;
}
static bool gfx_ctx_wl_has_windowed(void *data)
{
(void)data;
return true;
}
static bool gfx_ctx_wl_bind_api(void *video_driver,
enum gfx_ctx_api api, unsigned major, unsigned minor)
{
(void)video_driver;
(void)api;
(void)major;
(void)minor;
return api == GFX_CTX_VULKAN_API;
}
static void *gfx_ctx_wl_get_context_data(void *data)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
return &wl->context;
}
const gfx_ctx_driver_t gfx_ctx_wayland_vulkan = {
gfx_ctx_wl_init,
gfx_ctx_wl_destroy,
gfx_ctx_wl_bind_api,
gfx_ctx_wl_set_swap_interval,
gfx_ctx_wl_set_video_mode,
gfx_ctx_wl_get_video_size,
NULL, /* get_video_output_size */
NULL, /* get_video_output_prev */
NULL, /* get_video_output_next */
NULL, /* get_metrics */
NULL,
gfx_ctx_wl_update_window_title,
gfx_ctx_wl_check_window,
gfx_ctx_wl_set_resize,
gfx_ctx_wl_has_focus,
gfx_ctx_wl_suppress_screensaver,
gfx_ctx_wl_has_windowed,
gfx_ctx_wl_swap_buffers,
gfx_ctx_wl_input_driver,
NULL,
NULL,
NULL,
NULL,
"wayland-vulkan",
NULL,
gfx_ctx_wl_get_context_data,
};