diff options
Diffstat (limited to 'video/out/vulkan/context_display.c')
| -rw-r--r-- | video/out/vulkan/context_display.c | 491 |
1 files changed, 491 insertions, 0 deletions
diff --git a/video/out/vulkan/context_display.c b/video/out/vulkan/context_display.c new file mode 100644 index 0000000..84cef1e --- /dev/null +++ b/video/out/vulkan/context_display.c @@ -0,0 +1,491 @@ +/* + * 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 "context.h" +#include "options/m_config.h" +#include "utils.h" + +#if HAVE_DRM +#include <errno.h> +#include <fcntl.h> +#include <unistd.h> + +#include "libmpv/render_gl.h" +#include "video/out/drm_common.h" +#endif + +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; + } + + // Allocate zeroed arrays so that planes with no displays have a null entry. + VkDisplayKHR **planes_to_displays = + talloc_zero_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]; + if (!displays) { + // This plane is not connected to any displays. + continue; + } + 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) {0}, +}; + +struct priv { + struct mpvk_ctx vk; + struct vulkan_display_opts *opts; + uint32_t width; + uint32_t height; + +#if HAVE_DRM + struct mpv_opengl_drm_params_v2 drm_params; +#endif +}; + +#if HAVE_DRM +static void open_render_fd(struct ra_ctx *ctx, const char *render_path) +{ + struct priv *p = ctx->priv; + p->drm_params.fd = -1; + p->drm_params.render_fd = open(render_path, O_RDWR | O_CLOEXEC); + if (p->drm_params.render_fd == -1) { + MP_WARN(ctx, "Failed to open render node: %s\n", + strerror(errno)); + } +} + +static bool drm_setup(struct ra_ctx *ctx, int display_idx, + VkPhysicalDevicePCIBusInfoPropertiesEXT *pci_props) +{ + drmDevice *devs[32] = {}; + int count = drmGetDevices2(0, devs, MP_ARRAY_SIZE(devs)); + for (int i = 0; i < count; i++) { + drmDevice *dev = devs[i]; + + if (dev->bustype != DRM_BUS_PCI || + dev->businfo.pci->domain != pci_props->pciDomain || + dev->businfo.pci->bus != pci_props->pciBus || + dev->businfo.pci->dev != pci_props->pciDevice || + dev->businfo.pci->func != pci_props->pciFunction) + { + continue; + } + + // Found our matching device. + MP_DBG(ctx, "DRM device found for Vulkan device at %04X:%02X:%02X:%02X\n", + pci_props->pciDomain, pci_props->pciBus, + pci_props->pciDevice, pci_props->pciFunction); + + if (!(dev->available_nodes & 1 << DRM_NODE_RENDER)) { + MP_DBG(ctx, "Card does not have a render node.\n"); + continue; + } + + open_render_fd(ctx, dev->nodes[DRM_NODE_RENDER]); + + break; + } + drmFreeDevices(devs, MP_ARRAY_SIZE(devs)); + + struct priv *p = ctx->priv; + if (p->drm_params.render_fd == -1) { + MP_WARN(ctx, "Couldn't open DRM render node for Vulkan device " + "at: %04X:%02X:%02X:%02X\n", + pci_props->pciDomain, pci_props->pciBus, + pci_props->pciDevice, pci_props->pciFunction); + return false; + } + + return true; +} +#endif + +static void display_uninit(struct ra_ctx *ctx) +{ + struct priv *p = ctx->priv; + + ra_vk_ctx_uninit(ctx); + mpvk_uninit(&p->vk); + +#if HAVE_DRM + if (p->drm_params.render_fd != -1) { + close(p->drm_params.render_fd); + p->drm_params.render_fd = -1; + } +#endif +} + +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->pllog, &vulkan_params); + talloc_free(device_name); + if (!device) { + MP_MSG(ctx, msgl, "Failed to open physical device.\n"); + goto error; + } + +#if HAVE_DRM + VkPhysicalDevicePCIBusInfoPropertiesEXT pci_props = { + .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PCI_BUS_INFO_PROPERTIES_EXT, + }; + VkPhysicalDeviceProperties2KHR props = { + .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2_KHR, + .pNext = &pci_props, + }; + vkGetPhysicalDeviceProperties2(device, &props); + + if (!drm_setup(ctx, display_idx, &pci_props)) + MP_WARN(ctx, "Failed to set up DRM.\n"); +#endif + + 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; + +#if HAVE_DRM + if (p->drm_params.render_fd > -1) { + ra_add_native_resource(ctx->ra, "drm_params_v2", &p->drm_params); + } else { + MP_WARN(ctx, + "No DRM render fd available. VAAPI hwaccel will not be usable.\n"); + } +#endif + + 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_ns) +{ + // 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, +}; |