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-rw-r--r--video/out/vulkan/context_display.c390
1 files changed, 390 insertions, 0 deletions
diff --git a/video/out/vulkan/context_display.c b/video/out/vulkan/context_display.c
new file mode 100644
index 0000000000..706c952604
--- /dev/null
+++ b/video/out/vulkan/context_display.c
@@ -0,0 +1,390 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "options/m_config.h"
+
+#include "context.h"
+#include "utils.h"
+
+struct vulkan_display_opts {
+ int display;
+ int mode;
+ int plane;
+};
+
+struct mode_selector {
+ // Indexes of selected display/mode/plane.
+ int display_idx;
+ int mode_idx;
+ int plane_idx;
+
+ // Must be freed with talloc_free
+ VkDisplayModePropertiesKHR *out_mode_props;
+};
+
+/**
+ * If a selector is passed, verify that it is valid and return the matching
+ * mode properties. If null is passed, walk all modes and print them out.
+ */
+static bool walk_display_properties(struct mp_log *log,
+ int msgl_err,
+ VkPhysicalDevice device,
+ struct mode_selector *selector) {
+ bool ret = false;
+ VkResult res;
+
+ int msgl_info = selector ? MSGL_TRACE : MSGL_INFO;
+
+ // Use a dummy as parent for all other allocations.
+ void *tmp = talloc_new(NULL);
+
+ VkPhysicalDeviceProperties prop;
+ vkGetPhysicalDeviceProperties(device, &prop);
+ mp_msg(log, msgl_info, " '%s' (GPU ID %x:%x)\n", prop.deviceName,
+ (unsigned)prop.vendorID, (unsigned)prop.deviceID);
+
+ // Count displays. This must be done before enumerating planes with the
+ // Intel driver, or it will not enumerate any planes. WTF.
+ int num_displays = 0;
+ vkGetPhysicalDeviceDisplayPropertiesKHR(device, &num_displays, NULL);
+ if (!num_displays) {
+ mp_msg(log, msgl_info, " No available displays for device.\n");
+ goto done;
+ }
+ if (selector && selector->display_idx + 1 > num_displays) {
+ mp_msg(log, msgl_err, "Selected display (%d) not present.\n",
+ selector->display_idx);
+ goto done;
+ }
+
+ // Enumerate Planes
+ int num_planes = 0;
+ vkGetPhysicalDeviceDisplayPlanePropertiesKHR(device, &num_planes, NULL);
+ if (!num_planes) {
+ mp_msg(log, msgl_info, " No available planes for device.\n");
+ goto done;
+ }
+ if (selector && selector->plane_idx + 1 > num_planes) {
+ mp_msg(log, msgl_err, "Selected plane (%d) not present.\n",
+ selector->plane_idx);
+ goto done;
+ }
+
+ VkDisplayPlanePropertiesKHR *planes =
+ talloc_array(tmp, VkDisplayPlanePropertiesKHR, num_planes);
+ res = vkGetPhysicalDeviceDisplayPlanePropertiesKHR(device, &num_planes,
+ planes);
+ if (res != VK_SUCCESS) {
+ mp_msg(log, msgl_err, " Failed enumerating planes\n");
+ goto done;
+ }
+
+ VkDisplayKHR **planes_to_displays =
+ talloc_array(tmp, VkDisplayKHR *, num_planes);
+ for (int j = 0; j < num_planes; j++) {
+ int num_displays_for_plane = 0;
+ vkGetDisplayPlaneSupportedDisplaysKHR(device, j,
+ &num_displays_for_plane, NULL);
+ if (!num_displays_for_plane)
+ continue;
+
+ // Null terminated array
+ VkDisplayKHR *displays =
+ talloc_zero_array(planes_to_displays, VkDisplayKHR,
+ num_displays_for_plane + 1);
+ res = vkGetDisplayPlaneSupportedDisplaysKHR(device, j,
+ &num_displays_for_plane,
+ displays);
+ if (res != VK_SUCCESS) {
+ mp_msg(log, msgl_err, " Failed enumerating plane displays\n");
+ continue;
+ }
+ planes_to_displays[j] = displays;
+ }
+
+ // Enumerate Displays and Modes
+ VkDisplayPropertiesKHR *props =
+ talloc_array(tmp, VkDisplayPropertiesKHR, num_displays);
+ res = vkGetPhysicalDeviceDisplayPropertiesKHR(device, &num_displays, props);
+ if (res != VK_SUCCESS) {
+ mp_msg(log, msgl_err, " Failed enumerating display properties\n");
+ goto done;
+ }
+
+ for (int j = 0; j < num_displays; j++) {
+ if (selector && selector->display_idx != j)
+ continue;
+
+ mp_msg(log, msgl_info, " Display %d: '%s' (%dx%d)\n",
+ j,
+ props[j].displayName,
+ props[j].physicalResolution.width,
+ props[j].physicalResolution.height);
+
+ VkDisplayKHR display = props[j].display;
+
+ mp_msg(log, msgl_info, " Modes:\n");
+
+ int num_modes = 0;
+ vkGetDisplayModePropertiesKHR(device, display, &num_modes, NULL);
+ if (!num_modes) {
+ mp_msg(log, msgl_info, " No available modes for display.\n");
+ continue;
+ }
+ if (selector && selector->mode_idx + 1 > num_modes) {
+ mp_msg(log, msgl_err, "Selected mode (%d) not present.\n",
+ selector->mode_idx);
+ goto done;
+ }
+
+ VkDisplayModePropertiesKHR *modes =
+ talloc_array(tmp, VkDisplayModePropertiesKHR, num_modes);
+ res = vkGetDisplayModePropertiesKHR(device, display, &num_modes, modes);
+ if (res != VK_SUCCESS) {
+ mp_msg(log, msgl_err, " Failed enumerating display modes\n");
+ continue;
+ }
+
+ for (int k = 0; k < num_modes; k++) {
+ if (selector && selector->mode_idx != k)
+ continue;
+
+ mp_msg(log, msgl_info, " Mode %02d: %dx%d (%02d.%03d Hz)\n", k,
+ modes[k].parameters.visibleRegion.width,
+ modes[k].parameters.visibleRegion.height,
+ modes[k].parameters.refreshRate / 1000,
+ modes[k].parameters.refreshRate % 1000);
+
+ if (selector)
+ selector->out_mode_props = talloc_dup(NULL, &modes[k]);
+ }
+
+ int found_plane = -1;
+ mp_msg(log, msgl_info, " Planes:\n");
+ for (int k = 0; k < num_planes; k++) {
+ VkDisplayKHR *displays = planes_to_displays[k];
+ for (int d = 0; displays[d]; d++) {
+ if (displays[d] == display) {
+ if (selector && selector->plane_idx != k)
+ continue;
+
+ mp_msg(log, msgl_info, " Plane: %d\n", k);
+ found_plane = k;
+ }
+ }
+ }
+ if (selector && selector->plane_idx != found_plane) {
+ mp_msg(log, msgl_err,
+ "Selected plane (%d) not available on selected display.\n",
+ selector->plane_idx);
+ goto done;
+ }
+ }
+ ret = true;
+done:
+ talloc_free(tmp);
+ return ret;
+}
+
+static int print_display_info(struct mp_log *log, const struct m_option *opt,
+ struct bstr name) {
+ VkResult res;
+ VkPhysicalDevice *devices = NULL;
+
+ // Create a dummy instance to list the resources
+ VkInstanceCreateInfo info = {
+ .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
+ .enabledExtensionCount = 1,
+ .ppEnabledExtensionNames = (const char*[]) {
+ VK_KHR_DISPLAY_EXTENSION_NAME
+ },
+ };
+
+ VkInstance inst = NULL;
+ res = vkCreateInstance(&info, NULL, &inst);
+ if (res != VK_SUCCESS) {
+ mp_warn(log, "Unable to create Vulkan instance.\n");
+ goto done;
+ }
+
+ uint32_t num_devices = 0;
+ vkEnumeratePhysicalDevices(inst, &num_devices, NULL);
+ if (!num_devices) {
+ mp_info(log, "No Vulkan devices detected.\n");
+ goto done;
+ }
+
+ devices = talloc_array(NULL, VkPhysicalDevice, num_devices);
+ vkEnumeratePhysicalDevices(inst, &num_devices, devices);
+ if (res != VK_SUCCESS) {
+ mp_warn(log, "Failed enumerating physical devices.\n");
+ goto done;
+ }
+
+ mp_info(log, "Vulkan Devices:\n");
+ for (int i = 0; i < num_devices; i++) {
+ walk_display_properties(log, MSGL_WARN, devices[i], NULL);
+ }
+
+done:
+ talloc_free(devices);
+ vkDestroyInstance(inst, NULL);
+ return M_OPT_EXIT;
+}
+
+#define OPT_BASE_STRUCT struct vulkan_display_opts
+const struct m_sub_options vulkan_display_conf = {
+ .opts = (const struct m_option[]) {
+ {"vulkan-display-display", OPT_INT(display),
+ .help = print_display_info,
+ },
+ {"vulkan-display-mode", OPT_INT(mode),
+ .help = print_display_info,
+ },
+ {"vulkan-display-plane", OPT_INT(plane),
+ .help = print_display_info,
+ },
+ {0}
+ },
+ .size = sizeof(struct vulkan_display_opts),
+ .defaults = &(struct vulkan_display_opts) {
+ .display = 0,
+ .mode = 0,
+ .plane = 0,
+ },
+};
+
+struct priv {
+ struct mpvk_ctx vk;
+ struct vulkan_display_opts *opts;
+ uint32_t width;
+ uint32_t height;
+};
+
+static void display_uninit(struct ra_ctx *ctx)
+{
+ struct priv *p = ctx->priv;
+
+ ra_vk_ctx_uninit(ctx);
+ mpvk_uninit(&p->vk);
+}
+
+static bool display_init(struct ra_ctx *ctx)
+{
+ struct priv *p = ctx->priv = talloc_zero(ctx, struct priv);
+ struct mpvk_ctx *vk = &p->vk;
+ int msgl = ctx->opts.probing ? MSGL_V : MSGL_ERR;
+ VkResult res;
+ bool ret = false;
+
+ VkDisplayModePropertiesKHR *mode = NULL;
+
+ p->opts = mp_get_config_group(p, ctx->global, &vulkan_display_conf);
+ int display_idx = p->opts->display;
+ int mode_idx = p->opts->mode;
+ int plane_idx = p->opts->plane;
+
+ if (!mpvk_init(vk, ctx, VK_KHR_DISPLAY_EXTENSION_NAME))
+ goto error;
+
+ char *device_name = ra_vk_ctx_get_device_name(ctx);
+ struct pl_vulkan_device_params vulkan_params = {
+ .instance = vk->vkinst->instance,
+ .device_name = device_name,
+ };
+ VkPhysicalDevice device = pl_vulkan_choose_device(vk->ctx, &vulkan_params);
+ talloc_free(device_name);
+ if (!device) {
+ MP_MSG(ctx, msgl, "Failed to open physical device.\n");
+ goto error;
+ }
+
+ struct mode_selector selector = {
+ .display_idx = display_idx,
+ .mode_idx = mode_idx,
+ .plane_idx = plane_idx,
+
+ };
+ if (!walk_display_properties(ctx->log, msgl, device, &selector))
+ goto error;
+ mode = selector.out_mode_props;
+
+ VkDisplaySurfaceCreateInfoKHR xinfo = {
+ .sType = VK_STRUCTURE_TYPE_DISPLAY_SURFACE_CREATE_INFO_KHR,
+ .displayMode = mode->displayMode,
+ .imageExtent = mode->parameters.visibleRegion,
+ .planeIndex = plane_idx,
+ .transform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR,
+ .alphaMode = VK_DISPLAY_PLANE_ALPHA_OPAQUE_BIT_KHR,
+ };
+
+ res = vkCreateDisplayPlaneSurfaceKHR(vk->vkinst->instance, &xinfo, NULL,
+ &vk->surface);
+ if (res != VK_SUCCESS) {
+ MP_MSG(ctx, msgl, "Failed creating Display surface\n");
+ goto error;
+ }
+
+ p->width = mode->parameters.visibleRegion.width;
+ p->height = mode->parameters.visibleRegion.height;
+
+ struct ra_vk_ctx_params params = {0};
+ if (!ra_vk_ctx_init(ctx, vk, params, VK_PRESENT_MODE_FIFO_KHR))
+ goto error;
+
+ ret = true;
+
+done:
+ talloc_free(mode);
+ return ret;
+
+error:
+ display_uninit(ctx);
+ goto done;
+}
+
+static bool display_reconfig(struct ra_ctx *ctx)
+{
+ struct priv *p = ctx->priv;
+ return ra_vk_ctx_resize(ctx, p->width, p->height);
+}
+
+static int display_control(struct ra_ctx *ctx, int *events, int request, void *arg)
+{
+ return VO_NOTIMPL;
+}
+
+static void display_wakeup(struct ra_ctx *ctx)
+{
+ // TODO
+}
+
+static void display_wait_events(struct ra_ctx *ctx, int64_t until_time_us)
+{
+ // TODO
+}
+
+const struct ra_ctx_fns ra_ctx_vulkan_display = {
+ .type = "vulkan",
+ .name = "displayvk",
+ .reconfig = display_reconfig,
+ .control = display_control,
+ .wakeup = display_wakeup,
+ .wait_events = display_wait_events,
+ .init = display_init,
+ .uninit = display_uninit,
+};