--- /dev/null
+/*
+ * Copyright © 2017 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "util/macros.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <stdbool.h>
+#include <math.h>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+#include <drm_fourcc.h>
+#include "util/hash_table.h"
+#include "util/list.h"
+
+#include "vk_util.h"
+#include "wsi_common_private.h"
+#include "wsi_common_display.h"
+#include "wsi_common_queue.h"
+
+#if 0
+#define wsi_display_debug(...) fprintf(stderr, __VA_ARGS__)
+#define wsi_display_debug_code(...) __VA_ARGS__
+#else
+#define wsi_display_debug(...)
+#define wsi_display_debug_code(...)
+#endif
+
+/* These have lifetime equal to the instance, so they effectively
+ * never go away. This means we must keep track of them separately
+ * from all other resources.
+ */
+typedef struct wsi_display_mode {
+ struct list_head list;
+ struct wsi_display_connector *connector;
+ bool valid; /* was found in most recent poll */
+ bool preferred;
+ uint32_t clock; /* in kHz */
+ uint16_t hdisplay, hsync_start, hsync_end, htotal, hskew;
+ uint16_t vdisplay, vsync_start, vsync_end, vtotal, vscan;
+ uint32_t flags;
+} wsi_display_mode;
+
+typedef struct wsi_display_connector {
+ struct list_head list;
+ struct wsi_display *wsi;
+ uint32_t id;
+ uint32_t crtc_id;
+ char *name;
+ bool connected;
+ bool active;
+ struct list_head display_modes;
+ wsi_display_mode *current_mode;
+ drmModeModeInfo current_drm_mode;
+} wsi_display_connector;
+
+struct wsi_display {
+ struct wsi_interface base;
+
+ const VkAllocationCallbacks *alloc;
+
+ int fd;
+
+ pthread_mutex_t wait_mutex;
+ pthread_cond_t wait_cond;
+ pthread_t wait_thread;
+
+ struct list_head connectors;
+};
+
+#define wsi_for_each_display_mode(_mode, _conn) \
+ list_for_each_entry_safe(struct wsi_display_mode, _mode, \
+ &(_conn)->display_modes, list)
+
+#define wsi_for_each_connector(_conn, _dev) \
+ list_for_each_entry_safe(struct wsi_display_connector, _conn, \
+ &(_dev)->connectors, list)
+
+enum wsi_image_state {
+ WSI_IMAGE_IDLE,
+ WSI_IMAGE_DRAWING,
+ WSI_IMAGE_QUEUED,
+ WSI_IMAGE_FLIPPING,
+ WSI_IMAGE_DISPLAYING
+};
+
+struct wsi_display_image {
+ struct wsi_image base;
+ struct wsi_display_swapchain *chain;
+ enum wsi_image_state state;
+ uint32_t fb_id;
+ uint32_t buffer[4];
+ uint64_t flip_sequence;
+};
+
+struct wsi_display_swapchain {
+ struct wsi_swapchain base;
+ struct wsi_display *wsi;
+ VkIcdSurfaceDisplay *surface;
+ uint64_t flip_sequence;
+ VkResult status;
+ struct wsi_display_image images[0];
+};
+
+ICD_DEFINE_NONDISP_HANDLE_CASTS(wsi_display_mode, VkDisplayModeKHR)
+ICD_DEFINE_NONDISP_HANDLE_CASTS(wsi_display_connector, VkDisplayKHR)
+
+static bool
+wsi_display_mode_matches_drm(wsi_display_mode *wsi,
+ drmModeModeInfoPtr drm)
+{
+ return wsi->clock == drm->clock &&
+ wsi->hdisplay == drm->hdisplay &&
+ wsi->hsync_start == drm->hsync_start &&
+ wsi->hsync_end == drm->hsync_end &&
+ wsi->htotal == drm->htotal &&
+ wsi->hskew == drm->hskew &&
+ wsi->vdisplay == drm->vdisplay &&
+ wsi->vsync_start == drm->vsync_start &&
+ wsi->vsync_end == drm->vsync_end &&
+ wsi->vtotal == drm->vtotal &&
+ MAX2(wsi->vscan, 1) == MAX2(drm->vscan, 1) &&
+ wsi->flags == drm->flags;
+}
+
+static double
+wsi_display_mode_refresh(struct wsi_display_mode *wsi)
+{
+ return (double) wsi->clock * 1000.0 / ((double) wsi->htotal *
+ (double) wsi->vtotal *
+ (double) MAX2(wsi->vscan, 1));
+}
+
+static uint64_t wsi_get_current_monotonic(void)
+{
+ struct timespec tv;
+
+ clock_gettime(CLOCK_MONOTONIC, &tv);
+ return tv.tv_nsec + tv.tv_sec*1000000000ull;
+}
+
+static uint64_t wsi_rel_to_abs_time(uint64_t rel_time)
+{
+ uint64_t current_time = wsi_get_current_monotonic();
+
+ /* check for overflow */
+ if (rel_time > UINT64_MAX - current_time)
+ return UINT64_MAX;
+
+ return current_time + rel_time;
+}
+
+static struct wsi_display_mode *
+wsi_display_find_drm_mode(struct wsi_device *wsi_device,
+ struct wsi_display_connector *connector,
+ drmModeModeInfoPtr mode)
+{
+ wsi_for_each_display_mode(display_mode, connector) {
+ if (wsi_display_mode_matches_drm(display_mode, mode))
+ return display_mode;
+ }
+ return NULL;
+}
+
+static void
+wsi_display_invalidate_connector_modes(struct wsi_device *wsi_device,
+ struct wsi_display_connector *connector)
+{
+ wsi_for_each_display_mode(display_mode, connector) {
+ display_mode->valid = false;
+ }
+}
+
+static VkResult
+wsi_display_register_drm_mode(struct wsi_device *wsi_device,
+ struct wsi_display_connector *connector,
+ drmModeModeInfoPtr drm_mode)
+{
+ struct wsi_display *wsi =
+ (struct wsi_display *) wsi_device->wsi[VK_ICD_WSI_PLATFORM_DISPLAY];
+ struct wsi_display_mode *display_mode =
+ wsi_display_find_drm_mode(wsi_device, connector, drm_mode);
+
+ if (display_mode) {
+ display_mode->valid = true;
+ return VK_SUCCESS;
+ }
+
+ display_mode = vk_zalloc(wsi->alloc, sizeof (struct wsi_display_mode),
+ 8, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+ if (!display_mode)
+ return VK_ERROR_OUT_OF_HOST_MEMORY;
+
+ display_mode->connector = connector;
+ display_mode->valid = true;
+ display_mode->preferred = (drm_mode->type & DRM_MODE_TYPE_PREFERRED) != 0;
+ display_mode->clock = drm_mode->clock; /* kHz */
+ display_mode->hdisplay = drm_mode->hdisplay;
+ display_mode->hsync_start = drm_mode->hsync_start;
+ display_mode->hsync_end = drm_mode->hsync_end;
+ display_mode->htotal = drm_mode->htotal;
+ display_mode->hskew = drm_mode->hskew;
+ display_mode->vdisplay = drm_mode->vdisplay;
+ display_mode->vsync_start = drm_mode->vsync_start;
+ display_mode->vsync_end = drm_mode->vsync_end;
+ display_mode->vtotal = drm_mode->vtotal;
+ display_mode->vscan = drm_mode->vscan;
+ display_mode->flags = drm_mode->flags;
+
+ list_addtail(&display_mode->list, &connector->display_modes);
+ return VK_SUCCESS;
+}
+
+/*
+ * Update our information about a specific connector
+ */
+
+static struct wsi_display_connector *
+wsi_display_find_connector(struct wsi_device *wsi_device,
+ uint32_t connector_id)
+{
+ struct wsi_display *wsi =
+ (struct wsi_display *) wsi_device->wsi[VK_ICD_WSI_PLATFORM_DISPLAY];
+
+ wsi_for_each_connector(connector, wsi) {
+ if (connector->id == connector_id)
+ return connector;
+ }
+
+ return NULL;
+}
+
+static struct wsi_display_connector *
+wsi_display_alloc_connector(struct wsi_display *wsi,
+ uint32_t connector_id)
+{
+ struct wsi_display_connector *connector =
+ vk_zalloc(wsi->alloc, sizeof (struct wsi_display_connector),
+ 8, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+
+ connector->id = connector_id;
+ connector->wsi = wsi;
+ connector->active = false;
+ /* XXX use EDID name */
+ connector->name = "monitor";
+ list_inithead(&connector->display_modes);
+ return connector;
+}
+
+static struct wsi_display_connector *
+wsi_display_get_connector(struct wsi_device *wsi_device,
+ uint32_t connector_id)
+{
+ struct wsi_display *wsi =
+ (struct wsi_display *) wsi_device->wsi[VK_ICD_WSI_PLATFORM_DISPLAY];
+
+ if (wsi->fd < 0)
+ return NULL;
+
+ drmModeConnectorPtr drm_connector =
+ drmModeGetConnector(wsi->fd, connector_id);
+
+ if (!drm_connector)
+ return NULL;
+
+ struct wsi_display_connector *connector =
+ wsi_display_find_connector(wsi_device, connector_id);
+
+ if (!connector) {
+ connector = wsi_display_alloc_connector(wsi, connector_id);
+ if (!connector) {
+ drmModeFreeConnector(drm_connector);
+ return NULL;
+ }
+ list_addtail(&connector->list, &wsi->connectors);
+ }
+
+ connector->connected = drm_connector->connection != DRM_MODE_DISCONNECTED;
+
+ /* Mark all connector modes as invalid */
+ wsi_display_invalidate_connector_modes(wsi_device, connector);
+
+ /*
+ * List current modes, adding new ones and marking existing ones as
+ * valid
+ */
+ for (int m = 0; m < drm_connector->count_modes; m++) {
+ VkResult result = wsi_display_register_drm_mode(wsi_device,
+ connector,
+ &drm_connector->modes[m]);
+ if (result != VK_SUCCESS) {
+ drmModeFreeConnector(drm_connector);
+ return NULL;
+ }
+ }
+
+ drmModeFreeConnector(drm_connector);
+
+ return connector;
+}
+
+#define MM_PER_PIXEL (1.0/96.0 * 25.4)
+
+static uint32_t
+mode_size(struct wsi_display_mode *mode)
+{
+ /* fortunately, these are both uint16_t, so this is easy */
+ return (uint32_t) mode->hdisplay * (uint32_t) mode->vdisplay;
+}
+
+static void
+wsi_display_fill_in_display_properties(struct wsi_device *wsi_device,
+ struct wsi_display_connector *connector,
+ VkDisplayPropertiesKHR *properties)
+{
+ properties->display = wsi_display_connector_to_handle(connector);
+ properties->displayName = connector->name;
+
+ /* Find the first preferred mode and assume that's the physical
+ * resolution. If there isn't a preferred mode, find the largest mode and
+ * use that.
+ */
+
+ struct wsi_display_mode *preferred_mode = NULL, *largest_mode = NULL;
+ wsi_for_each_display_mode(display_mode, connector) {
+ if (!display_mode->valid)
+ continue;
+ if (display_mode->preferred) {
+ preferred_mode = display_mode;
+ break;
+ }
+ if (largest_mode == NULL ||
+ mode_size(display_mode) > mode_size(largest_mode))
+ {
+ largest_mode = display_mode;
+ }
+ }
+
+ if (preferred_mode) {
+ properties->physicalResolution.width = preferred_mode->hdisplay;
+ properties->physicalResolution.height = preferred_mode->vdisplay;
+ } else if (largest_mode) {
+ properties->physicalResolution.width = largest_mode->hdisplay;
+ properties->physicalResolution.height = largest_mode->vdisplay;
+ } else {
+ properties->physicalResolution.width = 1024;
+ properties->physicalResolution.height = 768;
+ }
+
+ /* Make up physical size based on 96dpi */
+ properties->physicalDimensions.width =
+ floor(properties->physicalResolution.width * MM_PER_PIXEL + 0.5);
+ properties->physicalDimensions.height =
+ floor(properties->physicalResolution.height * MM_PER_PIXEL + 0.5);
+
+ properties->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
+ properties->planeReorderPossible = VK_FALSE;
+ properties->persistentContent = VK_FALSE;
+}
+
+/*
+ * Implement vkGetPhysicalDeviceDisplayPropertiesKHR (VK_KHR_display)
+ */
+VkResult
+wsi_display_get_physical_device_display_properties(
+ VkPhysicalDevice physical_device,
+ struct wsi_device *wsi_device,
+ uint32_t *property_count,
+ VkDisplayPropertiesKHR *properties)
+{
+ struct wsi_display *wsi =
+ (struct wsi_display *) wsi_device->wsi[VK_ICD_WSI_PLATFORM_DISPLAY];
+
+ if (wsi->fd < 0)
+ goto bail;
+
+ drmModeResPtr mode_res = drmModeGetResources(wsi->fd);
+
+ if (!mode_res)
+ goto bail;
+
+ VK_OUTARRAY_MAKE(conn, properties, property_count);
+
+ /* Get current information */
+
+ for (int c = 0; c < mode_res->count_connectors; c++) {
+ struct wsi_display_connector *connector =
+ wsi_display_get_connector(wsi_device, mode_res->connectors[c]);
+
+ if (!connector) {
+ drmModeFreeResources(mode_res);
+ return VK_ERROR_OUT_OF_HOST_MEMORY;
+ }
+
+ if (connector->connected) {
+ vk_outarray_append(&conn, prop) {
+ wsi_display_fill_in_display_properties(wsi_device,
+ connector,
+ prop);
+ }
+ }
+ }
+
+ drmModeFreeResources(mode_res);
+
+ return vk_outarray_status(&conn);
+
+bail:
+ *property_count = 0;
+ return VK_SUCCESS;
+}
+
+/*
+ * Implement vkGetPhysicalDeviceDisplayPlanePropertiesKHR (VK_KHR_display
+ */
+VkResult
+wsi_display_get_physical_device_display_plane_properties(
+ VkPhysicalDevice physical_device,
+ struct wsi_device *wsi_device,
+ uint32_t *property_count,
+ VkDisplayPlanePropertiesKHR *properties)
+{
+ struct wsi_display *wsi =
+ (struct wsi_display *) wsi_device->wsi[VK_ICD_WSI_PLATFORM_DISPLAY];
+
+ VK_OUTARRAY_MAKE(conn, properties, property_count);
+
+ wsi_for_each_connector(connector, wsi) {
+ vk_outarray_append(&conn, prop) {
+ if (connector && connector->active) {
+ prop->currentDisplay = wsi_display_connector_to_handle(connector);
+ prop->currentStackIndex = 0;
+ } else {
+ prop->currentDisplay = VK_NULL_HANDLE;
+ prop->currentStackIndex = 0;
+ }
+ }
+ }
+ return vk_outarray_status(&conn);
+}
+
+/*
+ * Implement vkGetDisplayPlaneSupportedDisplaysKHR (VK_KHR_display)
+ */
+
+VkResult
+wsi_display_get_display_plane_supported_displays(
+ VkPhysicalDevice physical_device,
+ struct wsi_device *wsi_device,
+ uint32_t plane_index,
+ uint32_t *display_count,
+ VkDisplayKHR *displays)
+{
+ struct wsi_display *wsi =
+ (struct wsi_display *) wsi_device->wsi[VK_ICD_WSI_PLATFORM_DISPLAY];
+
+ VK_OUTARRAY_MAKE(conn, displays, display_count);
+
+ int c = 0;
+
+ wsi_for_each_connector(connector, wsi) {
+ if (c == plane_index && connector->connected) {
+ vk_outarray_append(&conn, display) {
+ *display = wsi_display_connector_to_handle(connector);
+ }
+ }
+ c++;
+ }
+ return vk_outarray_status(&conn);
+}
+
+/*
+ * Implement vkGetDisplayModePropertiesKHR (VK_KHR_display)
+ */
+
+VkResult
+wsi_display_get_display_mode_properties(VkPhysicalDevice physical_device,
+ struct wsi_device *wsi_device,
+ VkDisplayKHR display,
+ uint32_t *property_count,
+ VkDisplayModePropertiesKHR *properties)
+{
+ struct wsi_display_connector *connector =
+ wsi_display_connector_from_handle(display);
+
+ VK_OUTARRAY_MAKE(conn, properties, property_count);
+
+ wsi_for_each_display_mode(display_mode, connector) {
+ if (display_mode->valid) {
+ vk_outarray_append(&conn, prop) {
+ prop->displayMode = wsi_display_mode_to_handle(display_mode);
+ prop->parameters.visibleRegion.width = display_mode->hdisplay;
+ prop->parameters.visibleRegion.height = display_mode->vdisplay;
+ prop->parameters.refreshRate =
+ (uint32_t) (wsi_display_mode_refresh(display_mode) * 1000 + 0.5);
+ }
+ }
+ }
+ return vk_outarray_status(&conn);
+}
+
+static bool
+wsi_display_mode_matches_vk(wsi_display_mode *wsi,
+ const VkDisplayModeParametersKHR *vk)
+{
+ return (vk->visibleRegion.width == wsi->hdisplay &&
+ vk->visibleRegion.height == wsi->vdisplay &&
+ fabs(wsi_display_mode_refresh(wsi) * 1000.0 - vk->refreshRate) < 10);
+}
+
+/*
+ * Implement vkCreateDisplayModeKHR (VK_KHR_display)
+ */
+VkResult
+wsi_display_create_display_mode(VkPhysicalDevice physical_device,
+ struct wsi_device *wsi_device,
+ VkDisplayKHR display,
+ const VkDisplayModeCreateInfoKHR *create_info,
+ const VkAllocationCallbacks *allocator,
+ VkDisplayModeKHR *mode)
+{
+ struct wsi_display_connector *connector =
+ wsi_display_connector_from_handle(display);
+
+ if (create_info->flags != 0)
+ return VK_ERROR_INITIALIZATION_FAILED;
+
+ /* Check and see if the requested mode happens to match an existing one and
+ * return that. This makes the conformance suite happy. Doing more than
+ * this would involve embedding the CVT function into the driver, which seems
+ * excessive.
+ */
+ wsi_for_each_display_mode(display_mode, connector) {
+ if (display_mode->valid) {
+ if (wsi_display_mode_matches_vk(display_mode, &create_info->parameters)) {
+ *mode = wsi_display_mode_to_handle(display_mode);
+ return VK_SUCCESS;
+ }
+ }
+ }
+ return VK_ERROR_INITIALIZATION_FAILED;
+}
+
+/*
+ * Implement vkGetDisplayPlaneCapabilities
+ */
+VkResult
+wsi_get_display_plane_capabilities(VkPhysicalDevice physical_device,
+ struct wsi_device *wsi_device,
+ VkDisplayModeKHR mode_khr,
+ uint32_t plane_index,
+ VkDisplayPlaneCapabilitiesKHR *capabilities)
+{
+ struct wsi_display_mode *mode = wsi_display_mode_from_handle(mode_khr);
+
+ /* XXX use actual values */
+ capabilities->supportedAlpha = VK_DISPLAY_PLANE_ALPHA_OPAQUE_BIT_KHR;
+ capabilities->minSrcPosition.x = 0;
+ capabilities->minSrcPosition.y = 0;
+ capabilities->maxSrcPosition.x = 0;
+ capabilities->maxSrcPosition.y = 0;
+ capabilities->minSrcExtent.width = mode->hdisplay;
+ capabilities->minSrcExtent.height = mode->vdisplay;
+ capabilities->maxSrcExtent.width = mode->hdisplay;
+ capabilities->maxSrcExtent.height = mode->vdisplay;
+ capabilities->minDstPosition.x = 0;
+ capabilities->minDstPosition.y = 0;
+ capabilities->maxDstPosition.x = 0;
+ capabilities->maxDstPosition.y = 0;
+ capabilities->minDstExtent.width = mode->hdisplay;
+ capabilities->minDstExtent.height = mode->vdisplay;
+ capabilities->maxDstExtent.width = mode->hdisplay;
+ capabilities->maxDstExtent.height = mode->vdisplay;
+ return VK_SUCCESS;
+}
+
+VkResult
+wsi_create_display_surface(VkInstance instance,
+ const VkAllocationCallbacks *allocator,
+ const VkDisplaySurfaceCreateInfoKHR *create_info,
+ VkSurfaceKHR *surface_khr)
+{
+ VkIcdSurfaceDisplay *surface = vk_zalloc(allocator, sizeof *surface, 8,
+ VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+
+ if (surface == NULL)
+ return VK_ERROR_OUT_OF_HOST_MEMORY;
+
+ surface->base.platform = VK_ICD_WSI_PLATFORM_DISPLAY;
+
+ surface->displayMode = create_info->displayMode;
+ surface->planeIndex = create_info->planeIndex;
+ surface->planeStackIndex = create_info->planeStackIndex;
+ surface->transform = create_info->transform;
+ surface->globalAlpha = create_info->globalAlpha;
+ surface->alphaMode = create_info->alphaMode;
+ surface->imageExtent = create_info->imageExtent;
+
+ *surface_khr = VkIcdSurfaceBase_to_handle(&surface->base);
+ return VK_SUCCESS;
+}
+
+
+static VkResult
+wsi_display_surface_get_support(VkIcdSurfaceBase *surface,
+ struct wsi_device *wsi_device,
+ const VkAllocationCallbacks *allocator,
+ uint32_t queueFamilyIndex,
+ int local_fd,
+ VkBool32* pSupported)
+{
+ *pSupported = VK_TRUE;
+ return VK_SUCCESS;
+}
+
+static VkResult
+wsi_display_surface_get_capabilities(VkIcdSurfaceBase *surface_base,
+ VkSurfaceCapabilitiesKHR* caps)
+{
+ VkIcdSurfaceDisplay *surface = (VkIcdSurfaceDisplay *) surface_base;
+ wsi_display_mode *mode = wsi_display_mode_from_handle(surface->displayMode);
+
+ caps->currentExtent.width = mode->hdisplay;
+ caps->currentExtent.height = mode->vdisplay;
+
+ /* XXX Figure out extents based on driver capabilities */
+ caps->maxImageExtent = caps->minImageExtent = caps->currentExtent;
+
+ caps->supportedCompositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
+
+ caps->minImageCount = 2;
+ caps->maxImageCount = 0;
+
+ caps->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
+ caps->currentTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
+ caps->maxImageArrayLayers = 1;
+ caps->supportedUsageFlags =
+ VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
+ VK_IMAGE_USAGE_SAMPLED_BIT |
+ VK_IMAGE_USAGE_TRANSFER_DST_BIT |
+ VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
+
+ return VK_SUCCESS;
+}
+
+static VkResult
+wsi_display_surface_get_capabilities2(VkIcdSurfaceBase *icd_surface,
+ const void *info_next,
+ VkSurfaceCapabilities2KHR *caps)
+{
+ assert(caps->sType == VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES_2_KHR);
+
+ return wsi_display_surface_get_capabilities(icd_surface,
+ &caps->surfaceCapabilities);
+}
+
+static const struct {
+ VkFormat format;
+ uint32_t drm_format;
+} available_surface_formats[] = {
+ { .format = VK_FORMAT_B8G8R8A8_SRGB, .drm_format = DRM_FORMAT_XRGB8888 },
+ { .format = VK_FORMAT_B8G8R8A8_UNORM, .drm_format = DRM_FORMAT_XRGB8888 },
+};
+
+static VkResult
+wsi_display_surface_get_formats(VkIcdSurfaceBase *icd_surface,
+ struct wsi_device *wsi_device,
+ uint32_t *surface_format_count,
+ VkSurfaceFormatKHR *surface_formats)
+{
+ VK_OUTARRAY_MAKE(out, surface_formats, surface_format_count);
+
+ for (unsigned i = 0; i < ARRAY_SIZE(available_surface_formats); i++) {
+ vk_outarray_append(&out, f) {
+ f->format = available_surface_formats[i].format;
+ f->colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
+ }
+ }
+
+ return vk_outarray_status(&out);
+}
+
+static VkResult
+wsi_display_surface_get_formats2(VkIcdSurfaceBase *surface,
+ struct wsi_device *wsi_device,
+ const void *info_next,
+ uint32_t *surface_format_count,
+ VkSurfaceFormat2KHR *surface_formats)
+{
+ VK_OUTARRAY_MAKE(out, surface_formats, surface_format_count);
+
+ for (unsigned i = 0; i < ARRAY_SIZE(available_surface_formats); i++) {
+ vk_outarray_append(&out, f) {
+ assert(f->sType == VK_STRUCTURE_TYPE_SURFACE_FORMAT_2_KHR);
+ f->surfaceFormat.format = available_surface_formats[i].format;
+ f->surfaceFormat.colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
+ }
+ }
+
+ return vk_outarray_status(&out);
+}
+
+static VkResult
+wsi_display_surface_get_present_modes(VkIcdSurfaceBase *surface,
+ uint32_t *present_mode_count,
+ VkPresentModeKHR *present_modes)
+{
+ VK_OUTARRAY_MAKE(conn, present_modes, present_mode_count);
+
+ vk_outarray_append(&conn, present) {
+ *present = VK_PRESENT_MODE_FIFO_KHR;
+ }
+
+ return vk_outarray_status(&conn);
+}
+
+static void
+wsi_display_destroy_buffer(struct wsi_display *wsi,
+ uint32_t buffer)
+{
+ (void) drmIoctl(wsi->fd, DRM_IOCTL_MODE_DESTROY_DUMB,
+ &((struct drm_mode_destroy_dumb) { .handle = buffer }));
+}
+
+static VkResult
+wsi_display_image_init(VkDevice device_h,
+ struct wsi_swapchain *drv_chain,
+ const VkSwapchainCreateInfoKHR *create_info,
+ const VkAllocationCallbacks *allocator,
+ struct wsi_display_image *image)
+{
+ struct wsi_display_swapchain *chain =
+ (struct wsi_display_swapchain *) drv_chain;
+ struct wsi_display *wsi = chain->wsi;
+ uint32_t drm_format = 0;
+
+ for (unsigned i = 0; i < ARRAY_SIZE(available_surface_formats); i++) {
+ if (create_info->imageFormat == available_surface_formats[i].format) {
+ drm_format = available_surface_formats[i].drm_format;
+ break;
+ }
+ }
+
+ /* the application provided an invalid format, bail */
+ if (drm_format == 0)
+ return VK_ERROR_DEVICE_LOST;
+
+ VkResult result = wsi_create_native_image(&chain->base, create_info,
+ 0, NULL, NULL,
+ &image->base);
+ if (result != VK_SUCCESS)
+ return result;
+
+ memset(image->buffer, 0, sizeof (image->buffer));
+
+ for (unsigned int i = 0; i < image->base.num_planes; i++) {
+ int ret = drmPrimeFDToHandle(wsi->fd, image->base.fds[i],
+ &image->buffer[i]);
+
+ close(image->base.fds[i]);
+ image->base.fds[i] = -1;
+ if (ret < 0)
+ goto fail_handle;
+ }
+
+ image->chain = chain;
+ image->state = WSI_IMAGE_IDLE;
+ image->fb_id = 0;
+
+ int ret = drmModeAddFB2(wsi->fd,
+ create_info->imageExtent.width,
+ create_info->imageExtent.height,
+ drm_format,
+ image->buffer,
+ image->base.row_pitches,
+ image->base.offsets,
+ &image->fb_id, 0);
+
+ if (ret)
+ goto fail_fb;
+
+ return VK_SUCCESS;
+
+fail_fb:
+fail_handle:
+ for (unsigned int i = 0; i < image->base.num_planes; i++) {
+ if (image->buffer[i])
+ wsi_display_destroy_buffer(wsi, image->buffer[i]);
+ if (image->base.fds[i] != -1) {
+ close(image->base.fds[i]);
+ image->base.fds[i] = -1;
+ }
+ }
+
+ wsi_destroy_image(&chain->base, &image->base);
+
+ return VK_ERROR_OUT_OF_HOST_MEMORY;
+}
+
+static void
+wsi_display_image_finish(struct wsi_swapchain *drv_chain,
+ const VkAllocationCallbacks *allocator,
+ struct wsi_display_image *image)
+{
+ struct wsi_display_swapchain *chain =
+ (struct wsi_display_swapchain *) drv_chain;
+ struct wsi_display *wsi = chain->wsi;
+
+ drmModeRmFB(wsi->fd, image->fb_id);
+ for (unsigned int i = 0; i < image->base.num_planes; i++)
+ wsi_display_destroy_buffer(wsi, image->buffer[i]);
+ wsi_destroy_image(&chain->base, &image->base);
+}
+
+static VkResult
+wsi_display_swapchain_destroy(struct wsi_swapchain *drv_chain,
+ const VkAllocationCallbacks *allocator)
+{
+ struct wsi_display_swapchain *chain =
+ (struct wsi_display_swapchain *) drv_chain;
+
+ for (uint32_t i = 0; i < chain->base.image_count; i++)
+ wsi_display_image_finish(drv_chain, allocator, &chain->images[i]);
+ vk_free(allocator, chain);
+ return VK_SUCCESS;
+}
+
+static struct wsi_image *
+wsi_display_get_wsi_image(struct wsi_swapchain *drv_chain,
+ uint32_t image_index)
+{
+ struct wsi_display_swapchain *chain =
+ (struct wsi_display_swapchain *) drv_chain;
+
+ return &chain->images[image_index].base;
+}
+
+static void
+wsi_display_idle_old_displaying(struct wsi_display_image *active_image)
+{
+ struct wsi_display_swapchain *chain = active_image->chain;
+
+ wsi_display_debug("idle everyone but %ld\n",
+ active_image - &(chain->images[0]));
+ for (uint32_t i = 0; i < chain->base.image_count; i++)
+ if (chain->images[i].state == WSI_IMAGE_DISPLAYING &&
+ &chain->images[i] != active_image)
+ {
+ wsi_display_debug("idle %d\n", i);
+ chain->images[i].state = WSI_IMAGE_IDLE;
+ }
+}
+
+static VkResult
+_wsi_display_queue_next(struct wsi_swapchain *drv_chain);
+
+static void
+wsi_display_page_flip_handler2(int fd,
+ unsigned int frame,
+ unsigned int sec,
+ unsigned int usec,
+ uint32_t crtc_id,
+ void *data)
+{
+ struct wsi_display_image *image = data;
+ struct wsi_display_swapchain *chain = image->chain;
+
+ wsi_display_debug("image %ld displayed at %d\n",
+ image - &(image->chain->images[0]), frame);
+ image->state = WSI_IMAGE_DISPLAYING;
+ wsi_display_idle_old_displaying(image);
+ VkResult result = _wsi_display_queue_next(&(chain->base));
+ if (result != VK_SUCCESS)
+ chain->status = result;
+}
+
+static void wsi_display_page_flip_handler(int fd,
+ unsigned int frame,
+ unsigned int sec,
+ unsigned int usec,
+ void *data)
+{
+ wsi_display_page_flip_handler2(fd, frame, sec, usec, 0, data);
+}
+
+static drmEventContext event_context = {
+ .version = DRM_EVENT_CONTEXT_VERSION,
+ .page_flip_handler = wsi_display_page_flip_handler,
+#if DRM_EVENT_CONTEXT_VERSION >= 3
+ .page_flip_handler2 = wsi_display_page_flip_handler2,
+#endif
+};
+
+static void *
+wsi_display_wait_thread(void *data)
+{
+ struct wsi_display *wsi = data;
+ struct pollfd pollfd = {
+ .fd = wsi->fd,
+ .events = POLLIN
+ };
+
+ pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
+ for (;;) {
+ int ret = poll(&pollfd, 1, -1);
+ if (ret > 0) {
+ pthread_mutex_lock(&wsi->wait_mutex);
+ (void) drmHandleEvent(wsi->fd, &event_context);
+ pthread_mutex_unlock(&wsi->wait_mutex);
+ pthread_cond_broadcast(&wsi->wait_cond);
+ }
+ }
+ return NULL;
+}
+
+static int
+wsi_display_start_wait_thread(struct wsi_display *wsi)
+{
+ if (!wsi->wait_thread) {
+ int ret = pthread_create(&wsi->wait_thread, NULL,
+ wsi_display_wait_thread, wsi);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
+/*
+ * Wait for at least one event from the kernel to be processed.
+ * Call with wait_mutex held
+ */
+static int
+wsi_display_wait_for_event(struct wsi_display *wsi,
+ uint64_t timeout_ns)
+{
+ int ret;
+
+ ret = wsi_display_start_wait_thread(wsi);
+
+ if (ret)
+ return ret;
+
+ struct timespec abs_timeout = {
+ .tv_sec = timeout_ns / 1000000000ULL,
+ .tv_nsec = timeout_ns % 1000000000ULL,
+ };
+
+ ret = pthread_cond_timedwait(&wsi->wait_cond, &wsi->wait_mutex,
+ &abs_timeout);
+
+ wsi_display_debug("%9ld done waiting for event %d\n", pthread_self(), ret);
+ return ret;
+}
+
+static VkResult
+wsi_display_acquire_next_image(struct wsi_swapchain *drv_chain,
+ uint64_t timeout,
+ VkSemaphore semaphore,
+ uint32_t *image_index)
+{
+ struct wsi_display_swapchain *chain =
+ (struct wsi_display_swapchain *)drv_chain;
+ struct wsi_display *wsi = chain->wsi;
+ int ret = 0;
+ VkResult result = VK_SUCCESS;
+
+ /* Bail early if the swapchain is broken */
+ if (chain->status != VK_SUCCESS)
+ return chain->status;
+
+ if (timeout != 0 && timeout != UINT64_MAX)
+ timeout = wsi_rel_to_abs_time(timeout);
+
+ pthread_mutex_lock(&wsi->wait_mutex);
+ for (;;) {
+ for (uint32_t i = 0; i < chain->base.image_count; i++) {
+ if (chain->images[i].state == WSI_IMAGE_IDLE) {
+ *image_index = i;
+ wsi_display_debug("image %d available\n", i);
+ chain->images[i].state = WSI_IMAGE_DRAWING;
+ result = VK_SUCCESS;
+ goto done;
+ }
+ wsi_display_debug("image %d state %d\n", i, chain->images[i].state);
+ }
+
+ if (ret == ETIMEDOUT) {
+ result = VK_TIMEOUT;
+ goto done;
+ }
+
+ ret = wsi_display_wait_for_event(wsi, timeout);
+
+ if (ret && ret != ETIMEDOUT) {
+ result = VK_ERROR_OUT_OF_DATE_KHR;
+ goto done;
+ }
+ }
+done:
+ pthread_mutex_unlock(&wsi->wait_mutex);
+
+ if (result != VK_SUCCESS)
+ return result;
+
+ return chain->status;
+}
+
+/*
+ * Check whether there are any other connectors driven by this crtc
+ */
+static bool
+wsi_display_crtc_solo(struct wsi_display *wsi,
+ drmModeResPtr mode_res,
+ drmModeConnectorPtr connector,
+ uint32_t crtc_id)
+{
+ /* See if any other connectors share the same encoder */
+ for (int c = 0; c < mode_res->count_connectors; c++) {
+ if (mode_res->connectors[c] == connector->connector_id)
+ continue;
+
+ drmModeConnectorPtr other_connector =
+ drmModeGetConnector(wsi->fd, mode_res->connectors[c]);
+
+ if (other_connector) {
+ bool match = (other_connector->encoder_id == connector->encoder_id);
+ drmModeFreeConnector(other_connector);
+ if (match)
+ return false;
+ }
+ }
+
+ /* See if any other encoders share the same crtc */
+ for (int e = 0; e < mode_res->count_encoders; e++) {
+ if (mode_res->encoders[e] == connector->encoder_id)
+ continue;
+
+ drmModeEncoderPtr other_encoder =
+ drmModeGetEncoder(wsi->fd, mode_res->encoders[e]);
+
+ if (other_encoder) {
+ bool match = (other_encoder->crtc_id == crtc_id);
+ drmModeFreeEncoder(other_encoder);
+ if (match)
+ return false;
+ }
+ }
+ return true;
+}
+
+/*
+ * Pick a suitable CRTC to drive this connector. Prefer a CRTC which is
+ * currently driving this connector and not any others. Settle for a CRTC
+ * which is currently idle.
+ */
+static uint32_t
+wsi_display_select_crtc(struct wsi_display_connector *connector,
+ drmModeResPtr mode_res,
+ drmModeConnectorPtr drm_connector)
+{
+ struct wsi_display *wsi = connector->wsi;
+
+ /* See what CRTC is currently driving this connector */
+ if (drm_connector->encoder_id) {
+ drmModeEncoderPtr encoder =
+ drmModeGetEncoder(wsi->fd, drm_connector->encoder_id);
+
+ if (encoder) {
+ uint32_t crtc_id = encoder->crtc_id;
+ drmModeFreeEncoder(encoder);
+ if (crtc_id) {
+ if (wsi_display_crtc_solo(wsi, mode_res, drm_connector, crtc_id))
+ return crtc_id;
+ }
+ }
+ }
+ uint32_t crtc_id = 0;
+ for (int c = 0; crtc_id == 0 && c < mode_res->count_crtcs; c++) {
+ drmModeCrtcPtr crtc = drmModeGetCrtc(wsi->fd, mode_res->crtcs[c]);
+ if (crtc && crtc->buffer_id == 0)
+ crtc_id = crtc->crtc_id;
+ drmModeFreeCrtc(crtc);
+ }
+ return crtc_id;
+}
+
+static VkResult
+wsi_display_setup_connector(wsi_display_connector *connector,
+ wsi_display_mode *display_mode)
+{
+ struct wsi_display *wsi = connector->wsi;
+
+ if (connector->current_mode == display_mode && connector->crtc_id)
+ return VK_SUCCESS;
+
+ VkResult result = VK_SUCCESS;
+
+ drmModeResPtr mode_res = drmModeGetResources(wsi->fd);
+ if (!mode_res) {
+ if (errno == ENOMEM)
+ result = VK_ERROR_OUT_OF_HOST_MEMORY;
+ else
+ result = VK_ERROR_OUT_OF_DATE_KHR;
+ goto bail;
+ }
+
+ drmModeConnectorPtr drm_connector =
+ drmModeGetConnectorCurrent(wsi->fd, connector->id);
+
+ if (!drm_connector) {
+ if (errno == ENOMEM)
+ result = VK_ERROR_OUT_OF_HOST_MEMORY;
+ else
+ result = VK_ERROR_OUT_OF_DATE_KHR;
+ goto bail_mode_res;
+ }
+
+ /* Pick a CRTC if we don't have one */
+ if (!connector->crtc_id) {
+ connector->crtc_id = wsi_display_select_crtc(connector,
+ mode_res, drm_connector);
+ if (!connector->crtc_id) {
+ result = VK_ERROR_OUT_OF_DATE_KHR;
+ goto bail_connector;
+ }
+ }
+
+ if (connector->current_mode != display_mode) {
+
+ /* Find the drm mode corresponding to the requested VkDisplayMode */
+ drmModeModeInfoPtr drm_mode = NULL;
+
+ for (int m = 0; m < drm_connector->count_modes; m++) {
+ drm_mode = &drm_connector->modes[m];
+ if (wsi_display_mode_matches_drm(display_mode, drm_mode))
+ break;
+ drm_mode = NULL;
+ }
+
+ if (!drm_mode) {
+ result = VK_ERROR_OUT_OF_DATE_KHR;
+ goto bail_connector;
+ }
+
+ connector->current_mode = display_mode;
+ connector->current_drm_mode = *drm_mode;
+ }
+
+bail_connector:
+ drmModeFreeConnector(drm_connector);
+bail_mode_res:
+ drmModeFreeResources(mode_res);
+bail:
+ return result;
+
+}
+
+/*
+ * Check to see if the kernel has no flip queued and if there's an image
+ * waiting to be displayed.
+ */
+static VkResult
+_wsi_display_queue_next(struct wsi_swapchain *drv_chain)
+{
+ struct wsi_display_swapchain *chain =
+ (struct wsi_display_swapchain *) drv_chain;
+ struct wsi_display *wsi = chain->wsi;
+ VkIcdSurfaceDisplay *surface = chain->surface;
+ wsi_display_mode *display_mode =
+ wsi_display_mode_from_handle(surface->displayMode);
+ wsi_display_connector *connector = display_mode->connector;
+
+ if (wsi->fd < 0)
+ return VK_ERROR_OUT_OF_DATE_KHR;
+
+ if (display_mode != connector->current_mode)
+ connector->active = false;
+
+ for (;;) {
+
+ /* Check to see if there is an image to display, or if some image is
+ * already queued */
+
+ struct wsi_display_image *image = NULL;
+
+ for (uint32_t i = 0; i < chain->base.image_count; i++) {
+ struct wsi_display_image *tmp_image = &chain->images[i];
+
+ switch (tmp_image->state) {
+ case WSI_IMAGE_FLIPPING:
+ /* already flipping, don't send another to the kernel yet */
+ return VK_SUCCESS;
+ case WSI_IMAGE_QUEUED:
+ /* find the oldest queued */
+ if (!image || tmp_image->flip_sequence < image->flip_sequence)
+ image = tmp_image;
+ break;
+ default:
+ break;
+ }
+ }
+
+ if (!image)
+ return VK_SUCCESS;
+
+ int ret;
+ if (connector->active) {
+ ret = drmModePageFlip(wsi->fd, connector->crtc_id, image->fb_id,
+ DRM_MODE_PAGE_FLIP_EVENT, image);
+ if (ret == 0) {
+ image->state = WSI_IMAGE_FLIPPING;
+ return VK_SUCCESS;
+ }
+ wsi_display_debug("page flip err %d %s\n", ret, strerror(-ret));
+ } else {
+ ret = -EINVAL;
+ }
+
+ if (ret == -EINVAL) {
+ VkResult result = wsi_display_setup_connector(connector, display_mode);
+
+ if (result != VK_SUCCESS) {
+ image->state = WSI_IMAGE_IDLE;
+ return result;
+ }
+
+ /* XXX allow setting of position */
+ ret = drmModeSetCrtc(wsi->fd, connector->crtc_id,
+ image->fb_id, 0, 0,
+ &connector->id, 1,
+ &connector->current_drm_mode);
+ if (ret == 0) {
+ /* Assume that the mode set is synchronous and that any
+ * previous image is now idle.
+ */
+ image->state = WSI_IMAGE_DISPLAYING;
+ wsi_display_idle_old_displaying(image);
+ connector->active = true;
+ return VK_SUCCESS;
+ }
+ }
+
+ if (ret != -EACCES) {
+ connector->active = false;
+ image->state = WSI_IMAGE_IDLE;
+ return VK_ERROR_OUT_OF_DATE_KHR;
+ }
+
+ /* Some other VT is currently active. Sit here waiting for
+ * our VT to become active again by polling once a second
+ */
+ usleep(1000 * 1000);
+ connector->active = false;
+ }
+}
+
+static VkResult
+wsi_display_queue_present(struct wsi_swapchain *drv_chain,
+ uint32_t image_index,
+ const VkPresentRegionKHR *damage)
+{
+ struct wsi_display_swapchain *chain =
+ (struct wsi_display_swapchain *) drv_chain;
+ struct wsi_display *wsi = chain->wsi;
+ struct wsi_display_image *image = &chain->images[image_index];
+ VkResult result;
+
+ /* Bail early if the swapchain is broken */
+ if (chain->status != VK_SUCCESS)
+ return chain->status;
+
+ assert(image->state == WSI_IMAGE_DRAWING);
+ wsi_display_debug("present %d\n", image_index);
+
+ pthread_mutex_lock(&wsi->wait_mutex);
+
+ image->flip_sequence = ++chain->flip_sequence;
+ image->state = WSI_IMAGE_QUEUED;
+
+ result = _wsi_display_queue_next(drv_chain);
+ if (result != VK_SUCCESS)
+ chain->status = result;
+
+ pthread_mutex_unlock(&wsi->wait_mutex);
+
+ if (result != VK_SUCCESS)
+ return result;
+
+ return chain->status;
+}
+
+static VkResult
+wsi_display_surface_create_swapchain(
+ VkIcdSurfaceBase *icd_surface,
+ VkDevice device,
+ struct wsi_device *wsi_device,
+ int local_fd,
+ const VkSwapchainCreateInfoKHR *create_info,
+ const VkAllocationCallbacks *allocator,
+ struct wsi_swapchain **swapchain_out)
+{
+ struct wsi_display *wsi =
+ (struct wsi_display *) wsi_device->wsi[VK_ICD_WSI_PLATFORM_DISPLAY];
+
+ assert(create_info->sType == VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
+
+ const unsigned num_images = create_info->minImageCount;
+ struct wsi_display_swapchain *chain =
+ vk_zalloc(allocator,
+ sizeof(*chain) + num_images * sizeof(chain->images[0]),
+ 8, VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+
+ if (chain == NULL)
+ return VK_ERROR_OUT_OF_HOST_MEMORY;
+
+ VkResult result = wsi_swapchain_init(wsi_device, &chain->base, device,
+ create_info, allocator);
+
+ chain->base.destroy = wsi_display_swapchain_destroy;
+ chain->base.get_wsi_image = wsi_display_get_wsi_image;
+ chain->base.acquire_next_image = wsi_display_acquire_next_image;
+ chain->base.queue_present = wsi_display_queue_present;
+ chain->base.present_mode = create_info->presentMode;
+ chain->base.image_count = num_images;
+
+ chain->wsi = wsi;
+ chain->status = VK_SUCCESS;
+
+ chain->surface = (VkIcdSurfaceDisplay *) icd_surface;
+
+ for (uint32_t image = 0; image < chain->base.image_count; image++) {
+ result = wsi_display_image_init(device, &chain->base,
+ create_info, allocator,
+ &chain->images[image]);
+ if (result != VK_SUCCESS) {
+ while (image > 0) {
+ --image;
+ wsi_display_image_finish(&chain->base, allocator,
+ &chain->images[image]);
+ }
+ vk_free(allocator, chain);
+ goto fail_init_images;
+ }
+ }
+
+ *swapchain_out = &chain->base;
+
+ return VK_SUCCESS;
+
+fail_init_images:
+ return result;
+}
+
+static bool
+wsi_init_pthread_cond_monotonic(pthread_cond_t *cond)
+{
+ pthread_condattr_t condattr;
+ bool ret = false;
+
+ if (pthread_condattr_init(&condattr) != 0)
+ goto fail_attr_init;
+
+ if (pthread_condattr_setclock(&condattr, CLOCK_MONOTONIC) != 0)
+ goto fail_attr_set;
+
+ if (pthread_cond_init(cond, &condattr) != 0)
+ goto fail_cond_init;
+
+ ret = true;
+
+fail_cond_init:
+fail_attr_set:
+ pthread_condattr_destroy(&condattr);
+fail_attr_init:
+ return ret;
+}
+
+VkResult
+wsi_display_init_wsi(struct wsi_device *wsi_device,
+ const VkAllocationCallbacks *alloc,
+ int display_fd)
+{
+ struct wsi_display *wsi = vk_zalloc(alloc, sizeof(*wsi), 8,
+ VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+ VkResult result;
+
+ if (!wsi) {
+ result = VK_ERROR_OUT_OF_HOST_MEMORY;
+ goto fail;
+ }
+
+ wsi->fd = display_fd;
+ wsi->alloc = alloc;
+
+ list_inithead(&wsi->connectors);
+
+ int ret = pthread_mutex_init(&wsi->wait_mutex, NULL);
+ if (ret) {
+ result = VK_ERROR_OUT_OF_HOST_MEMORY;
+ goto fail_mutex;
+ }
+
+ if (!wsi_init_pthread_cond_monotonic(&wsi->wait_cond)) {
+ result = VK_ERROR_OUT_OF_HOST_MEMORY;
+ goto fail_cond;
+ }
+
+ wsi->base.get_support = wsi_display_surface_get_support;
+ wsi->base.get_capabilities = wsi_display_surface_get_capabilities;
+ wsi->base.get_capabilities2 = wsi_display_surface_get_capabilities2;
+ wsi->base.get_formats = wsi_display_surface_get_formats;
+ wsi->base.get_formats2 = wsi_display_surface_get_formats2;
+ wsi->base.get_present_modes = wsi_display_surface_get_present_modes;
+ wsi->base.create_swapchain = wsi_display_surface_create_swapchain;
+
+ wsi_device->wsi[VK_ICD_WSI_PLATFORM_DISPLAY] = &wsi->base;
+
+ return VK_SUCCESS;
+
+fail_cond:
+ pthread_mutex_destroy(&wsi->wait_mutex);
+fail_mutex:
+ vk_free(alloc, wsi);
+fail:
+ return result;
+}
+
+void
+wsi_display_finish_wsi(struct wsi_device *wsi_device,
+ const VkAllocationCallbacks *alloc)
+{
+ struct wsi_display *wsi =
+ (struct wsi_display *) wsi_device->wsi[VK_ICD_WSI_PLATFORM_DISPLAY];
+
+ if (wsi) {
+ wsi_for_each_connector(connector, wsi) {
+ wsi_for_each_display_mode(mode, connector) {
+ vk_free(wsi->alloc, mode);
+ }
+ vk_free(wsi->alloc, connector);
+ }
+
+ pthread_mutex_lock(&wsi->wait_mutex);
+ if (wsi->wait_thread) {
+ pthread_cancel(wsi->wait_thread);
+ pthread_join(wsi->wait_thread, NULL);
+ }
+ pthread_mutex_unlock(&wsi->wait_mutex);
+ pthread_mutex_destroy(&wsi->wait_mutex);
+ pthread_cond_destroy(&wsi->wait_cond);
+
+ vk_free(alloc, wsi);
+ }
+}
projects / mesa.git / commitdiff