| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| |
| #include "../../SDL_internal.h" |
| |
| #if SDL_VIDEO_DRIVER_KMSDRM |
| |
| /* SDL internals */ |
| #include "../SDL_sysvideo.h" |
| #include "SDL_syswm.h" |
| #include "SDL_log.h" |
| #include "SDL_hints.h" |
| #include "../../events/SDL_events_c.h" |
| #include "../../events/SDL_mouse_c.h" |
| #include "../../events/SDL_keyboard_c.h" |
| |
| #ifdef SDL_INPUT_LINUXEV |
| #include "../../core/linux/SDL_evdev.h" |
| #elif defined SDL_INPUT_WSCONS |
| #include "../../core/openbsd/SDL_wscons.h" |
| #endif |
| |
| /* KMS/DRM declarations */ |
| #include "SDL_kmsdrmvideo.h" |
| #include "SDL_kmsdrmevents.h" |
| #include "SDL_kmsdrmopengles.h" |
| #include "SDL_kmsdrmmouse.h" |
| #include "SDL_kmsdrmdyn.h" |
| #include "SDL_kmsdrmvulkan.h" |
| #include <sys/stat.h> |
| #include <dirent.h> |
| #include <poll.h> |
| #include <errno.h> |
| |
| #ifdef __OpenBSD__ |
| #define KMSDRM_DRI_PATH "/dev/" |
| #define KMSDRM_DRI_DEVFMT "%sdrm%d" |
| #define KMSDRM_DRI_DEVNAME "drm" |
| #define KMSDRM_DRI_DEVNAMESIZE 3 |
| #define KMSDRM_DRI_CARDPATHFMT "/dev/drm%d" |
| #else |
| #define KMSDRM_DRI_PATH "/dev/dri/" |
| #define KMSDRM_DRI_DEVFMT "%scard%d" |
| #define KMSDRM_DRI_DEVNAME "card" |
| #define KMSDRM_DRI_DEVNAMESIZE 4 |
| #define KMSDRM_DRI_CARDPATHFMT "/dev/dri/card%d" |
| #endif |
| |
| static int |
| check_modestting(int devindex) |
| { |
| SDL_bool available = SDL_FALSE; |
| char device[512]; |
| int drm_fd; |
| |
| SDL_snprintf(device, sizeof (device), KMSDRM_DRI_DEVFMT, KMSDRM_DRI_PATH, devindex); |
| |
| drm_fd = open(device, O_RDWR | O_CLOEXEC); |
| if (drm_fd >= 0) { |
| if (SDL_KMSDRM_LoadSymbols()) { |
| drmModeRes *resources = KMSDRM_drmModeGetResources(drm_fd); |
| if (resources) { |
| SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, |
| KMSDRM_DRI_DEVFMT |
| " connector, encoder and CRTC counts are: %d %d %d", |
| KMSDRM_DRI_PATH, devindex, |
| resources->count_connectors, resources->count_encoders, |
| resources->count_crtcs); |
| |
| if (resources->count_connectors > 0 |
| && resources->count_encoders > 0 |
| && resources->count_crtcs > 0) |
| { |
| available = SDL_TRUE; |
| } |
| KMSDRM_drmModeFreeResources(resources); |
| } |
| SDL_KMSDRM_UnloadSymbols(); |
| } |
| close(drm_fd); |
| } |
| |
| return available; |
| } |
| |
| static int get_dricount(void) |
| { |
| int devcount = 0; |
| struct dirent *res; |
| struct stat sb; |
| DIR *folder; |
| |
| if (!(stat(KMSDRM_DRI_PATH, &sb) == 0 |
| && S_ISDIR(sb.st_mode))) { |
| printf("The path %s cannot be opened or is not available\n", |
| KMSDRM_DRI_PATH); |
| return 0; |
| } |
| |
| if (access(KMSDRM_DRI_PATH, F_OK) == -1) { |
| printf("The path %s cannot be opened\n", |
| KMSDRM_DRI_PATH); |
| return 0; |
| } |
| |
| folder = opendir(KMSDRM_DRI_PATH); |
| if (folder) { |
| while ((res = readdir(folder))) { |
| int len = SDL_strlen(res->d_name); |
| if (len > KMSDRM_DRI_DEVNAMESIZE && SDL_strncmp(res->d_name, |
| KMSDRM_DRI_DEVNAME, KMSDRM_DRI_DEVNAMESIZE) == 0) { |
| devcount++; |
| } |
| } |
| closedir(folder); |
| } |
| |
| return devcount; |
| } |
| |
| static int |
| get_driindex(void) |
| { |
| const int devcount = get_dricount(); |
| int i; |
| |
| for (i = 0; i < devcount; i++) { |
| if (check_modestting(i)) { |
| return i; |
| } |
| } |
| |
| return -ENOENT; |
| } |
| |
| static int |
| KMSDRM_Available(void) |
| { |
| int ret = -ENOENT; |
| |
| ret = get_driindex(); |
| if (ret >= 0) |
| return 1; |
| |
| return ret; |
| } |
| |
| static void |
| KMSDRM_DeleteDevice(SDL_VideoDevice * device) |
| { |
| if (device->driverdata) { |
| SDL_free(device->driverdata); |
| device->driverdata = NULL; |
| } |
| |
| SDL_free(device); |
| |
| SDL_KMSDRM_UnloadSymbols(); |
| } |
| |
| static SDL_VideoDevice * |
| KMSDRM_CreateDevice(int devindex) |
| { |
| SDL_VideoDevice *device; |
| SDL_VideoData *viddata; |
| |
| if (!KMSDRM_Available()) { |
| return NULL; |
| } |
| |
| if (!devindex || (devindex > 99)) { |
| devindex = get_driindex(); |
| } |
| |
| if (devindex < 0) { |
| SDL_SetError("devindex (%d) must be between 0 and 99.\n", devindex); |
| return NULL; |
| } |
| |
| if (!SDL_KMSDRM_LoadSymbols()) { |
| return NULL; |
| } |
| |
| device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice)); |
| if (!device) { |
| SDL_OutOfMemory(); |
| return NULL; |
| } |
| |
| viddata = (SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData)); |
| if (!viddata) { |
| SDL_OutOfMemory(); |
| goto cleanup; |
| } |
| viddata->devindex = devindex; |
| viddata->drm_fd = -1; |
| |
| device->driverdata = viddata; |
| |
| /* Setup all functions which we can handle */ |
| device->VideoInit = KMSDRM_VideoInit; |
| device->VideoQuit = KMSDRM_VideoQuit; |
| device->GetDisplayModes = KMSDRM_GetDisplayModes; |
| device->SetDisplayMode = KMSDRM_SetDisplayMode; |
| device->CreateSDLWindow = KMSDRM_CreateWindow; |
| device->CreateSDLWindowFrom = KMSDRM_CreateWindowFrom; |
| device->SetWindowTitle = KMSDRM_SetWindowTitle; |
| device->SetWindowIcon = KMSDRM_SetWindowIcon; |
| device->SetWindowPosition = KMSDRM_SetWindowPosition; |
| device->SetWindowSize = KMSDRM_SetWindowSize; |
| device->SetWindowFullscreen = KMSDRM_SetWindowFullscreen; |
| device->ShowWindow = KMSDRM_ShowWindow; |
| device->HideWindow = KMSDRM_HideWindow; |
| device->RaiseWindow = KMSDRM_RaiseWindow; |
| device->MaximizeWindow = KMSDRM_MaximizeWindow; |
| device->MinimizeWindow = KMSDRM_MinimizeWindow; |
| device->RestoreWindow = KMSDRM_RestoreWindow; |
| device->SetWindowGrab = KMSDRM_SetWindowGrab; |
| device->DestroyWindow = KMSDRM_DestroyWindow; |
| device->GetWindowWMInfo = KMSDRM_GetWindowWMInfo; |
| |
| device->GL_LoadLibrary = KMSDRM_GLES_LoadLibrary; |
| device->GL_GetProcAddress = KMSDRM_GLES_GetProcAddress; |
| device->GL_UnloadLibrary = KMSDRM_GLES_UnloadLibrary; |
| device->GL_CreateContext = KMSDRM_GLES_CreateContext; |
| device->GL_MakeCurrent = KMSDRM_GLES_MakeCurrent; |
| device->GL_SetSwapInterval = KMSDRM_GLES_SetSwapInterval; |
| device->GL_GetSwapInterval = KMSDRM_GLES_GetSwapInterval; |
| device->GL_SwapWindow = KMSDRM_GLES_SwapWindow; |
| device->GL_DeleteContext = KMSDRM_GLES_DeleteContext; |
| |
| #if SDL_VIDEO_VULKAN |
| device->Vulkan_LoadLibrary = KMSDRM_Vulkan_LoadLibrary; |
| device->Vulkan_UnloadLibrary = KMSDRM_Vulkan_UnloadLibrary; |
| device->Vulkan_GetInstanceExtensions = KMSDRM_Vulkan_GetInstanceExtensions; |
| device->Vulkan_CreateSurface = KMSDRM_Vulkan_CreateSurface; |
| device->Vulkan_GetDrawableSize = KMSDRM_Vulkan_GetDrawableSize; |
| #endif |
| |
| device->PumpEvents = KMSDRM_PumpEvents; |
| device->free = KMSDRM_DeleteDevice; |
| |
| return device; |
| |
| cleanup: |
| if (device) |
| SDL_free(device); |
| if (viddata) |
| SDL_free(viddata); |
| return NULL; |
| } |
| |
| VideoBootStrap KMSDRM_bootstrap = { |
| "KMSDRM", |
| "KMS/DRM Video Driver", |
| KMSDRM_CreateDevice |
| }; |
| |
| static void |
| KMSDRM_FBDestroyCallback(struct gbm_bo *bo, void *data) |
| { |
| KMSDRM_FBInfo *fb_info = (KMSDRM_FBInfo *)data; |
| |
| if (fb_info && fb_info->drm_fd >= 0 && fb_info->fb_id != 0) { |
| KMSDRM_drmModeRmFB(fb_info->drm_fd, fb_info->fb_id); |
| SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Delete DRM FB %u", fb_info->fb_id); |
| } |
| |
| SDL_free(fb_info); |
| } |
| |
| KMSDRM_FBInfo * |
| KMSDRM_FBFromBO(_THIS, struct gbm_bo *bo) |
| { |
| SDL_VideoData *viddata = ((SDL_VideoData *)_this->driverdata); |
| unsigned w,h; |
| int ret; |
| Uint32 stride, handle; |
| |
| /* Check for an existing framebuffer */ |
| KMSDRM_FBInfo *fb_info = (KMSDRM_FBInfo *)KMSDRM_gbm_bo_get_user_data(bo); |
| |
| if (fb_info) { |
| return fb_info; |
| } |
| |
| /* Create a structure that contains enough info to remove the framebuffer |
| when the backing buffer is destroyed */ |
| fb_info = (KMSDRM_FBInfo *)SDL_calloc(1, sizeof(KMSDRM_FBInfo)); |
| |
| if (!fb_info) { |
| SDL_OutOfMemory(); |
| return NULL; |
| } |
| |
| fb_info->drm_fd = viddata->drm_fd; |
| |
| /* Create framebuffer object for the buffer */ |
| w = KMSDRM_gbm_bo_get_width(bo); |
| h = KMSDRM_gbm_bo_get_height(bo); |
| stride = KMSDRM_gbm_bo_get_stride(bo); |
| handle = KMSDRM_gbm_bo_get_handle(bo).u32; |
| ret = KMSDRM_drmModeAddFB(viddata->drm_fd, w, h, 24, 32, stride, handle, |
| &fb_info->fb_id); |
| if (ret) { |
| SDL_free(fb_info); |
| return NULL; |
| } |
| |
| SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "New DRM FB (%u): %ux%u, stride %u from BO %p", |
| fb_info->fb_id, w, h, stride, (void *)bo); |
| |
| /* Associate our DRM framebuffer with this buffer object */ |
| KMSDRM_gbm_bo_set_user_data(bo, fb_info, KMSDRM_FBDestroyCallback); |
| |
| return fb_info; |
| } |
| |
| static void |
| KMSDRM_FlipHandler(int fd, unsigned int frame, unsigned int sec, unsigned int usec, void *data) |
| { |
| *((SDL_bool *) data) = SDL_FALSE; |
| } |
| |
| SDL_bool |
| KMSDRM_WaitPageFlip(_THIS, SDL_WindowData *windata) { |
| |
| SDL_VideoData *viddata = ((SDL_VideoData *)_this->driverdata); |
| drmEventContext ev = {0}; |
| struct pollfd pfd = {0}; |
| |
| ev.version = DRM_EVENT_CONTEXT_VERSION; |
| ev.page_flip_handler = KMSDRM_FlipHandler; |
| |
| pfd.fd = viddata->drm_fd; |
| pfd.events = POLLIN; |
| |
| /* Stay on the while loop until we get the desired event. |
| We need the while the loop because we could be in a situation where: |
| -We get events on the FD in time, thus not on exiting on return number 1. |
| -These events are not errors, thus not exiting on return number 2. |
| -These events are of POLLIN type, thus not exiting on return number 3, |
| but if the event is not the pageflip we are waiting for, we arrive at the end |
| of the loop and do loop re-entry, hoping the next event will be the pageflip. |
| |
| If it wasn't for the while loop, we could erroneously exit the function |
| without the pageflip event to arrive! |
| |
| For example, vblank events hit the FD and they are POLLIN events too (POLLIN |
| means "there's data to read on the FD"), but they are not the pageflip event |
| we are waiting for, so the drmEventHandle() doesn't run the flip handler, and |
| since waiting_for_flip is set on the pageflip handle, it's not set and we stay |
| on the loop. |
| */ |
| while (windata->waiting_for_flip) { |
| |
| pfd.revents = 0; |
| |
| /* poll() waits for events arriving on the FD, and returns < 0 if timeout |
| passes with no events. |
| We wait forever (timeout = -1), but even if we DO get an event, |
| we have yet to see if it's of the required type. */ |
| if (poll(&pfd, 1, -1) < 0) { |
| SDL_LogError(SDL_LOG_CATEGORY_VIDEO, "DRM poll error"); |
| return SDL_FALSE; /* Return number 1. */ |
| } |
| |
| if (pfd.revents & (POLLHUP | POLLERR)) { |
| /* An event arrived on the FD in time, but it's an error. */ |
| SDL_LogError(SDL_LOG_CATEGORY_VIDEO, "DRM poll hup or error"); |
| return SDL_FALSE; /* Return number 2. */ |
| } |
| |
| if (pfd.revents & POLLIN) { |
| /* There is data to read on the FD! |
| Is the event a pageflip? We know it is a pageflip if it matches the |
| event we are passing in &ev. If it does, drmHandleEvent() will unset |
| windata->waiting_for_flip and we will get out of the "while" loop. |
| If it's not, we keep iterating on the loop. */ |
| KMSDRM_drmHandleEvent(viddata->drm_fd, &ev); |
| } else { |
| SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Dropping frame while waiting_for_flip"); |
| return SDL_FALSE; /* Return number 3. */ |
| } |
| } |
| |
| return SDL_TRUE; |
| } |
| |
| /* Given w and h, returns a DRM video mode from the modes available on the connector. |
| Returns NULL if no mode matching the specified size is found. */ |
| drmModeModeInfo* |
| KMSDRM_GetConnectorMode(drmModeConnector *connector, uint32_t width, uint32_t height) { |
| int i = 0; |
| for (i = 0; i < connector->count_modes; i++) { |
| if (connector->modes[i].hdisplay == width && |
| connector->modes[i].vdisplay == height) |
| { |
| return &connector->modes[i]; |
| } |
| } |
| return NULL; |
| } |
| |
| /*****************************************************************************/ |
| /* SDL Video and Display initialization/handling functions */ |
| /* _this is a SDL_VideoDevice * */ |
| /*****************************************************************************/ |
| |
| /* Deinitializes the dispdata members needed for KMSDRM operation that are |
| inoffeensive for VK compatibility. */ |
| void KMSDRM_DisplayDataDeinit (_THIS, SDL_DisplayData *dispdata) { |
| /* Free connector */ |
| if (dispdata && dispdata->connector) { |
| KMSDRM_drmModeFreeConnector(dispdata->connector); |
| dispdata->connector = NULL; |
| } |
| |
| /* Free CRTC */ |
| if (dispdata && dispdata->crtc) { |
| KMSDRM_drmModeFreeCrtc(dispdata->crtc); |
| dispdata->crtc = NULL; |
| } |
| } |
| |
| /* Initializes the dispdata members needed for KMSDRM operation that are |
| inoffeensive for VK compatibility, except we must leave the drm_fd |
| closed when we get to the end of this function. |
| This is to be called early, in VideoInit(), because it gets us |
| the videomode information, which SDL needs immediately after VideoInit(). */ |
| int KMSDRM_DisplayDataInit (_THIS, SDL_DisplayData *dispdata) { |
| SDL_VideoData *viddata = ((SDL_VideoData *)_this->driverdata); |
| |
| drmModeRes *resources = NULL; |
| drmModeEncoder *encoder = NULL; |
| drmModeConnector *connector = NULL; |
| drmModeCrtc *crtc = NULL; |
| |
| int ret = 0; |
| unsigned i,j; |
| |
| dispdata->gbm_init = SDL_FALSE; |
| dispdata->modeset_pending = SDL_FALSE; |
| dispdata->cursor_bo = NULL; |
| |
| /* Open /dev/dri/cardNN (/dev/drmN if on OpenBSD) */ |
| SDL_snprintf(viddata->devpath, sizeof(viddata->devpath), KMSDRM_DRI_CARDPATHFMT, viddata->devindex); |
| |
| SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Opening device %s", viddata->devpath); |
| viddata->drm_fd = open(viddata->devpath, O_RDWR | O_CLOEXEC); |
| |
| if (viddata->drm_fd < 0) { |
| ret = SDL_SetError("Could not open %s", viddata->devpath); |
| goto cleanup; |
| } |
| |
| SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Opened DRM FD (%d)", viddata->drm_fd); |
| |
| /* Get all of the available connectors / devices / crtcs */ |
| resources = KMSDRM_drmModeGetResources(viddata->drm_fd); |
| if (!resources) { |
| ret = SDL_SetError("drmModeGetResources(%d) failed", viddata->drm_fd); |
| goto cleanup; |
| } |
| |
| /* Iterate on the available connectors to find a connected connector. */ |
| for (i = 0; i < resources->count_connectors; i++) { |
| drmModeConnector *conn = KMSDRM_drmModeGetConnector(viddata->drm_fd, |
| resources->connectors[i]); |
| |
| if (!conn) { |
| continue; |
| } |
| |
| if (conn->connection == DRM_MODE_CONNECTED && conn->count_modes) { |
| connector = conn; |
| break; |
| } |
| |
| KMSDRM_drmModeFreeConnector(conn); |
| } |
| |
| if (!connector) { |
| ret = SDL_SetError("No currently active connector found."); |
| goto cleanup; |
| } |
| |
| /* Try to find the connector's current encoder */ |
| for (i = 0; i < resources->count_encoders; i++) { |
| encoder = KMSDRM_drmModeGetEncoder(viddata->drm_fd, resources->encoders[i]); |
| |
| if (!encoder) { |
| continue; |
| } |
| |
| if (encoder->encoder_id == connector->encoder_id) { |
| break; |
| } |
| |
| KMSDRM_drmModeFreeEncoder(encoder); |
| encoder = NULL; |
| } |
| |
| if (!encoder) { |
| /* No encoder was connected, find the first supported one */ |
| for (i = 0; i < resources->count_encoders; i++) { |
| encoder = KMSDRM_drmModeGetEncoder(viddata->drm_fd, |
| resources->encoders[i]); |
| |
| if (!encoder) { |
| continue; |
| } |
| |
| for (j = 0; j < connector->count_encoders; j++) { |
| if (connector->encoders[j] == encoder->encoder_id) { |
| break; |
| } |
| } |
| |
| if (j != connector->count_encoders) { |
| break; |
| } |
| |
| KMSDRM_drmModeFreeEncoder(encoder); |
| encoder = NULL; |
| } |
| } |
| |
| if (!encoder) { |
| ret = SDL_SetError("No connected encoder found."); |
| goto cleanup; |
| } |
| |
| /* Try to find a CRTC connected to this encoder */ |
| crtc = KMSDRM_drmModeGetCrtc(viddata->drm_fd, encoder->crtc_id); |
| |
| /* If no CRTC was connected to the encoder, find the first CRTC |
| that is supported by the encoder, and use that. */ |
| if (!crtc) { |
| for (i = 0; i < resources->count_crtcs; i++) { |
| if (encoder->possible_crtcs & (1 << i)) { |
| encoder->crtc_id = resources->crtcs[i]; |
| crtc = KMSDRM_drmModeGetCrtc(viddata->drm_fd, encoder->crtc_id); |
| break; |
| } |
| } |
| } |
| |
| if (!crtc) { |
| ret = SDL_SetError("No CRTC found."); |
| goto cleanup; |
| } |
| |
| /* Figure out the default mode to be set. */ |
| dispdata->mode = crtc->mode; |
| |
| /* Save the original mode for restoration on quit. */ |
| dispdata->original_mode = dispdata->mode; |
| |
| if (dispdata->mode.hdisplay == 0 || dispdata->mode.vdisplay == 0 ) { |
| ret = SDL_SetError("Couldn't get a valid connector videomode."); |
| goto cleanup; |
| } |
| |
| /* Store the connector and crtc for future use. These are all we keep |
| from this function, and these are just structs, inoffensive to VK. */ |
| dispdata->connector = connector; |
| dispdata->crtc = crtc; |
| |
| /***********************************/ |
| /* Block for Vulkan compatibility. */ |
| /***********************************/ |
| |
| /* THIS IS FOR VULKAN! Leave the FD closed, so VK can work. |
| Will reopen this in CreateWindow, but only if requested a non-VK window. */ |
| close (viddata->drm_fd); |
| viddata->drm_fd = -1; |
| |
| cleanup: |
| if (encoder) |
| KMSDRM_drmModeFreeEncoder(encoder); |
| if (resources) |
| KMSDRM_drmModeFreeResources(resources); |
| if (ret) { |
| /* Error (complete) cleanup */ |
| if (dispdata->connector) { |
| KMSDRM_drmModeFreeConnector(dispdata->connector); |
| dispdata->connector = NULL; |
| } |
| if (dispdata->crtc) { |
| KMSDRM_drmModeFreeCrtc(dispdata->crtc); |
| dispdata->crtc = NULL; |
| } |
| if (viddata->drm_fd >= 0) { |
| close(viddata->drm_fd); |
| viddata->drm_fd = -1; |
| } |
| } |
| |
| return ret; |
| } |
| |
| /* Init the Vulkan-INCOMPATIBLE stuff: |
| Reopen FD, create gbm dev, create dumb buffer and setup display plane. |
| This is to be called late, in WindowCreate(), and ONLY if this is not |
| a Vulkan window. |
| We are doing this so late to allow Vulkan to work if we build a VK window. |
| These things are incompatible with Vulkan, which accesses the same resources |
| internally so they must be free when trying to build a Vulkan surface. |
| */ |
| int |
| KMSDRM_GBMInit (_THIS, SDL_DisplayData *dispdata) |
| { |
| SDL_VideoData *viddata = (SDL_VideoData *)_this->driverdata; |
| int ret = 0; |
| |
| /* Reopen the FD! */ |
| viddata->drm_fd = open(viddata->devpath, O_RDWR | O_CLOEXEC); |
| |
| /* Create the GBM device. */ |
| viddata->gbm_dev = KMSDRM_gbm_create_device(viddata->drm_fd); |
| if (!viddata->gbm_dev) { |
| ret = SDL_SetError("Couldn't create gbm device."); |
| } |
| |
| dispdata->gbm_init = SDL_TRUE; |
| |
| return ret; |
| } |
| |
| /* Deinit the Vulkan-incompatible KMSDRM stuff. */ |
| void |
| KMSDRM_GBMDeinit (_THIS, SDL_DisplayData *dispdata) |
| { |
| SDL_VideoData *viddata = ((SDL_VideoData *)_this->driverdata); |
| |
| /* Destroy GBM device. GBM surface is destroyed by DestroySurfaces(), |
| already called when we get here. */ |
| if (viddata->gbm_dev) { |
| KMSDRM_gbm_device_destroy(viddata->gbm_dev); |
| viddata->gbm_dev = NULL; |
| } |
| |
| /* Finally close DRM FD. May be reopen on next non-vulkan window creation. */ |
| if (viddata->drm_fd >= 0) { |
| close(viddata->drm_fd); |
| viddata->drm_fd = -1; |
| } |
| |
| dispdata->gbm_init = SDL_FALSE; |
| } |
| |
| void |
| KMSDRM_DestroySurfaces(_THIS, SDL_Window *window) |
| { |
| SDL_VideoData *viddata = ((SDL_VideoData *)_this->driverdata); |
| SDL_WindowData *windata = (SDL_WindowData *) window->driverdata; |
| SDL_DisplayData *dispdata = (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata; |
| int ret; |
| |
| /**********************************************/ |
| /* Wait for last issued pageflip to complete. */ |
| /**********************************************/ |
| KMSDRM_WaitPageFlip(_this, windata); |
| |
| /***********************************************************************/ |
| /* Restore the original CRTC configuration: configue the crtc with the */ |
| /* original video mode and make it point to the original TTY buffer. */ |
| /***********************************************************************/ |
| |
| ret = KMSDRM_drmModeSetCrtc(viddata->drm_fd, dispdata->crtc->crtc_id, |
| dispdata->crtc->buffer_id, 0, 0, &dispdata->connector->connector_id, 1, |
| &dispdata->original_mode); |
| |
| /* If we failed to set the original mode, try to set the connector prefered mode. */ |
| if (ret && (dispdata->crtc->mode_valid == 0)) { |
| ret = KMSDRM_drmModeSetCrtc(viddata->drm_fd, dispdata->crtc->crtc_id, |
| dispdata->crtc->buffer_id, 0, 0, &dispdata->connector->connector_id, 1, |
| &dispdata->original_mode); |
| } |
| |
| if(ret) { |
| SDL_LogError(SDL_LOG_CATEGORY_VIDEO, "Could not restore CRTC"); |
| } |
| |
| /***************************/ |
| /* Destroy the EGL surface */ |
| /***************************/ |
| |
| SDL_EGL_MakeCurrent(_this, EGL_NO_SURFACE, EGL_NO_CONTEXT); |
| |
| if (windata->egl_surface != EGL_NO_SURFACE) { |
| SDL_EGL_DestroySurface(_this, windata->egl_surface); |
| windata->egl_surface = EGL_NO_SURFACE; |
| } |
| |
| /***************************/ |
| /* Destroy the GBM buffers */ |
| /***************************/ |
| |
| if (windata->bo) { |
| KMSDRM_gbm_surface_release_buffer(windata->gs, windata->bo); |
| windata->bo = NULL; |
| } |
| |
| if (windata->next_bo) { |
| KMSDRM_gbm_surface_release_buffer(windata->gs, windata->next_bo); |
| windata->next_bo = NULL; |
| } |
| |
| /***************************/ |
| /* Destroy the GBM surface */ |
| /***************************/ |
| |
| if (windata->gs) { |
| KMSDRM_gbm_surface_destroy(windata->gs); |
| windata->gs = NULL; |
| } |
| } |
| |
| /* This determines the size of the fb, which comes from the GBM surface |
| that we create here. */ |
| int |
| KMSDRM_CreateSurfaces(_THIS, SDL_Window * window) |
| { |
| SDL_VideoData *viddata = ((SDL_VideoData *)_this->driverdata); |
| SDL_WindowData *windata = (SDL_WindowData *)window->driverdata; |
| |
| uint32_t surface_fmt = GBM_FORMAT_ARGB8888; |
| uint32_t surface_flags = GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING; |
| |
| EGLContext egl_context; |
| |
| int ret = 0; |
| |
| /* If the current window already has surfaces, destroy them before creating other. |
| This is mainly for ReconfigureWindow(), where we simply call CreateSurfaces() |
| for regenerating a window's surfaces. */ |
| if (windata->gs) { |
| KMSDRM_DestroySurfaces(_this, window); |
| } |
| |
| if (!KMSDRM_gbm_device_is_format_supported(viddata->gbm_dev, |
| surface_fmt, surface_flags)) { |
| SDL_LogWarn(SDL_LOG_CATEGORY_VIDEO, |
| "GBM surface format not supported. Trying anyway."); |
| } |
| |
| windata->gs = KMSDRM_gbm_surface_create(viddata->gbm_dev, |
| windata->surface_w, windata->surface_h, surface_fmt, surface_flags); |
| |
| if (!windata->gs) { |
| return SDL_SetError("Could not create GBM surface"); |
| } |
| |
| /* We can't get the EGL context yet because SDL_CreateRenderer has not been called, |
| but we need an EGL surface NOW, or GL won't be able to render into any surface |
| and we won't see the first frame. */ |
| SDL_EGL_SetRequiredVisualId(_this, surface_fmt); |
| windata->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType)windata->gs); |
| |
| if (windata->egl_surface == EGL_NO_SURFACE) { |
| ret = SDL_SetError("Could not create EGL window surface"); |
| goto cleanup; |
| } |
| |
| /* Current context passing to EGL is now done here. If something fails, |
| go back to delayed SDL_EGL_MakeCurrent() call in SwapWindow. */ |
| egl_context = (EGLContext)SDL_GL_GetCurrentContext(); |
| ret = SDL_EGL_MakeCurrent(_this, windata->egl_surface, egl_context); |
| |
| cleanup: |
| |
| if (ret) { |
| /* Error (complete) cleanup. */ |
| if (windata->gs) { |
| KMSDRM_gbm_surface_destroy(windata->gs); |
| windata->gs = NULL; |
| } |
| } |
| |
| return ret; |
| } |
| |
| int |
| KMSDRM_VideoInit(_THIS) |
| { |
| int ret = 0; |
| |
| SDL_VideoData *viddata = ((SDL_VideoData *)_this->driverdata); |
| SDL_DisplayData *dispdata = NULL; |
| SDL_VideoDisplay display = {0}; |
| |
| SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "KMSDRM_VideoInit()"); |
| |
| viddata->video_init = SDL_FALSE; |
| |
| dispdata = (SDL_DisplayData *) SDL_calloc(1, sizeof(SDL_DisplayData)); |
| if (!dispdata) { |
| return SDL_OutOfMemory(); |
| } |
| |
| /* Get KMSDRM resources info and store what we need. Getting and storing |
| this info isn't a problem for VK compatibility. |
| For VK-incompatible initializations we have KMSDRM_GBMInit(), which is |
| called on window creation, and only when we know it's not a VK window. */ |
| if (KMSDRM_DisplayDataInit(_this, dispdata)) { |
| ret = SDL_SetError("error getting KMS/DRM information"); |
| goto cleanup; |
| } |
| |
| /* Setup the single display that's available. |
| There's no problem with it being still incomplete. */ |
| display.driverdata = dispdata; |
| display.desktop_mode.w = dispdata->mode.hdisplay; |
| display.desktop_mode.h = dispdata->mode.vdisplay; |
| display.desktop_mode.refresh_rate = dispdata->mode.vrefresh; |
| display.desktop_mode.format = SDL_PIXELFORMAT_ARGB8888; |
| display.current_mode = display.desktop_mode; |
| |
| /* Add the display only when it's ready, */ |
| SDL_AddVideoDisplay(&display, SDL_FALSE); |
| |
| #ifdef SDL_INPUT_LINUXEV |
| SDL_EVDEV_Init(); |
| #elif defined(SDL_INPUT_WSCONS) |
| SDL_WSCONS_Init(); |
| #endif |
| |
| /* Since we create and show the default cursor on KMSDRM_InitMouse() and |
| we call KMSDRM_InitMouse() everytime we create a new window, we have |
| to be sure to create and show the default cursor only the first time. |
| If we don't, new default cursors would stack up on mouse->cursors and SDL |
| would have to hide and delete them at quit, not to mention the memory leak... */ |
| dispdata->set_default_cursor_pending = SDL_TRUE; |
| |
| viddata->video_init = SDL_TRUE; |
| |
| cleanup: |
| |
| if (ret) { |
| /* Error (complete) cleanup */ |
| if (dispdata->crtc) { |
| SDL_free(dispdata->crtc); |
| } |
| if (dispdata->connector) { |
| SDL_free(dispdata->connector); |
| } |
| |
| SDL_free(dispdata); |
| } |
| |
| return ret; |
| } |
| |
| /* The driverdata pointers, like dispdata, viddata, windata, etc... |
| are freed by SDL internals, so not our job. */ |
| void |
| KMSDRM_VideoQuit(_THIS) |
| { |
| SDL_VideoData *viddata = ((SDL_VideoData *)_this->driverdata); |
| SDL_DisplayData *dispdata = (SDL_DisplayData *)SDL_GetDisplayDriverData(0); |
| |
| KMSDRM_DisplayDataDeinit(_this, dispdata); |
| |
| #ifdef SDL_INPUT_LINUXEV |
| SDL_EVDEV_Quit(); |
| #elif defined(SDL_INPUT_WSCONS) |
| SDL_WSCONS_Quit(); |
| #endif |
| |
| /* Clear out the window list */ |
| SDL_free(viddata->windows); |
| viddata->windows = NULL; |
| viddata->max_windows = 0; |
| viddata->num_windows = 0; |
| viddata->video_init = SDL_FALSE; |
| } |
| |
| /* Read modes from the connector modes, and store them in display->display_modes. */ |
| void |
| KMSDRM_GetDisplayModes(_THIS, SDL_VideoDisplay * display) |
| { |
| SDL_DisplayData *dispdata = display->driverdata; |
| drmModeConnector *conn = dispdata->connector; |
| SDL_DisplayMode mode; |
| int i; |
| |
| for (i = 0; i < conn->count_modes; i++) { |
| SDL_DisplayModeData *modedata = SDL_calloc(1, sizeof(SDL_DisplayModeData)); |
| |
| if (modedata) { |
| modedata->mode_index = i; |
| } |
| |
| mode.w = conn->modes[i].hdisplay; |
| mode.h = conn->modes[i].vdisplay; |
| mode.refresh_rate = conn->modes[i].vrefresh; |
| mode.format = SDL_PIXELFORMAT_ARGB8888; |
| mode.driverdata = modedata; |
| |
| if (!SDL_AddDisplayMode(display, &mode)) { |
| SDL_free(modedata); |
| } |
| } |
| } |
| |
| int |
| KMSDRM_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode) |
| { |
| /* Set the dispdata->mode to the new mode and leave actual modesetting |
| pending to be done on SwapWindow() via drmModeSetCrtc() */ |
| |
| SDL_VideoData *viddata = (SDL_VideoData *)_this->driverdata; |
| SDL_DisplayData *dispdata = (SDL_DisplayData *)display->driverdata; |
| SDL_DisplayModeData *modedata = (SDL_DisplayModeData *)mode->driverdata; |
| drmModeConnector *conn = dispdata->connector; |
| int i; |
| |
| /* Don't do anything if we are in Vulkan mode. */ |
| if (viddata->vulkan_mode) { |
| return 0; |
| } |
| |
| if (!modedata) { |
| return SDL_SetError("Mode doesn't have an associated index"); |
| } |
| |
| /* Take note of the new mode to be set, and leave the CRTC modeset pending |
| so it's done in SwapWindow. */ |
| dispdata->mode = conn->modes[modedata->mode_index]; |
| dispdata->modeset_pending = SDL_TRUE; |
| |
| for (i = 0; i < viddata->num_windows; i++) { |
| SDL_Window *window = viddata->windows[i]; |
| |
| if (KMSDRM_CreateSurfaces(_this, window)) { |
| return -1; |
| } |
| |
| /* Tell app about the window resize */ |
| SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, mode->w, mode->h); |
| } |
| |
| return 0; |
| } |
| |
| void |
| KMSDRM_DestroyWindow(_THIS, SDL_Window *window) |
| { |
| SDL_WindowData *windata = (SDL_WindowData *) window->driverdata; |
| SDL_DisplayData *dispdata = (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata; |
| SDL_VideoData *viddata = windata->viddata; |
| SDL_bool is_vulkan = window->flags & SDL_WINDOW_VULKAN; /* Is this a VK window? */ |
| unsigned int i, j; |
| |
| if (!windata) { |
| return; |
| } |
| |
| if ( !is_vulkan && dispdata->gbm_init ) { |
| |
| /* Destroy cursor GBM plane. */ |
| KMSDRM_DeinitMouse(_this); |
| |
| /* Destroy GBM surface and buffers. */ |
| KMSDRM_DestroySurfaces(_this, window); |
| |
| /* Unload EGL library. */ |
| if (_this->egl_data) { |
| SDL_EGL_UnloadLibrary(_this); |
| } |
| |
| /* Unload GL library. */ |
| if (_this->gl_config.driver_loaded) { |
| SDL_GL_UnloadLibrary(); |
| } |
| |
| /* Free display plane, and destroy GBM device. */ |
| KMSDRM_GBMDeinit(_this, dispdata); |
| } |
| |
| else { |
| /* If we were in Vulkan mode, get out of it. */ |
| if (viddata->vulkan_mode) { |
| viddata->vulkan_mode = SDL_FALSE; |
| } |
| } |
| |
| /********************************************/ |
| /* Remove from the internal SDL window list */ |
| /********************************************/ |
| |
| for (i = 0; i < viddata->num_windows; i++) { |
| if (viddata->windows[i] == window) { |
| viddata->num_windows--; |
| |
| for (j = i; j < viddata->num_windows; j++) { |
| viddata->windows[j] = viddata->windows[j + 1]; |
| } |
| |
| break; |
| } |
| } |
| |
| /*********************************************************************/ |
| /* Free the window driverdata. Bye bye, surface and buffer pointers! */ |
| /*********************************************************************/ |
| window->driverdata = NULL; |
| SDL_free(windata); |
| } |
| |
| /**********************************************************************/ |
| /* We simply IGNORE if it's a fullscreen window, window->flags don't */ |
| /* reflect it: if it's fullscreen, KMSDRM_SetWindwoFullscreen() which */ |
| /* will be called by SDL later, and we can manage it there. */ |
| /**********************************************************************/ |
| int |
| KMSDRM_CreateWindow(_THIS, SDL_Window * window) |
| { |
| SDL_WindowData *windata = NULL; |
| SDL_VideoData *viddata = (SDL_VideoData *)_this->driverdata; |
| SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window); |
| SDL_DisplayData *dispdata = display->driverdata; |
| SDL_bool is_vulkan = window->flags & SDL_WINDOW_VULKAN; /* Is this a VK window? */ |
| SDL_bool vulkan_mode = viddata->vulkan_mode; /* Do we have any Vulkan windows? */ |
| NativeDisplayType egl_display; |
| int ret = 0; |
| drmModeModeInfo *mode; |
| |
| /* Allocate window internal data */ |
| windata = (SDL_WindowData *)SDL_calloc(1, sizeof(SDL_WindowData)); |
| if (!windata) { |
| ret = SDL_OutOfMemory(); |
| goto cleanup; |
| } |
| |
| /* Setup driver data for this window */ |
| windata->viddata = viddata; |
| window->driverdata = windata; |
| |
| if (!is_vulkan && !vulkan_mode) { /* NON-Vulkan block. */ |
| |
| if (!(dispdata->gbm_init)) { |
| |
| /* In order for the GL_CreateRenderer() and GL_LoadFunctions() calls |
| in SDL_CreateWindow succeed (no doing so causes a windo re-creation), |
| At the end of this block, we must have: |
| -Marked the window as being OPENGL |
| -Loaded the GL library (which can't be loaded until the GBM |
| device has been created) because SDL_EGL_Library() function uses it. |
| */ |
| |
| /* Maybe you didn't ask for an OPENGL window, but that's what you will get. |
| See previous comment on why. */ |
| window->flags |= SDL_WINDOW_OPENGL; |
| |
| /* Reopen FD, create gbm dev, setup display plane, etc,. |
| but only when we come here for the first time, |
| and only if it's not a VK window. */ |
| if ((ret = KMSDRM_GBMInit(_this, dispdata))) { |
| goto cleanup; |
| } |
| |
| /* Manually load the GL library. KMSDRM_EGL_LoadLibrary() has already |
| been called by SDL_CreateWindow() but we don't do anything there, |
| precisely to be able to load it here. |
| If we let SDL_CreateWindow() load the lib, it will be loaded |
| before we call KMSDRM_GBMInit(), causing GLES programs to fail. */ |
| if (!_this->egl_data) { |
| egl_display = (NativeDisplayType)((SDL_VideoData *)_this->driverdata)->gbm_dev; |
| if (SDL_EGL_LoadLibrary(_this, NULL, egl_display, EGL_PLATFORM_GBM_MESA)) { |
| goto cleanup; |
| } |
| |
| if (SDL_GL_LoadLibrary(NULL) < 0) { |
| goto cleanup; |
| } |
| } |
| |
| /* Can't init mouse stuff sooner because cursor plane is not ready, |
| so we do it here. */ |
| KMSDRM_InitMouse(_this); |
| |
| /* Since we take cursor buffer way from the cursor plane and |
| destroy the cursor GBM BO when we destroy a window, we must |
| also manually re-show the cursor on screen, if necessary, |
| when we create a window. */ |
| KMSDRM_InitCursor(); |
| } |
| |
| /* Try to find a matching video mode for the window, fallback to the |
| original mode if not available, and configure the mode we chose |
| into the CRTC. |
| You may be tempted to not do a videomode change, remaining always on |
| the original resolution, and use the SendWindowEvent() parameters to |
| make SDL2 pre-scale the image for us to an AR-corrected size inside |
| the original mode, but DON'T: vectorized games (GL games) are rendered |
| with the size specified in SendWindowEvent(),instead of being rendered |
| at the original size and then scaled. |
| It makes sense because GL is used to render the scene in GL games, |
| so the scene is rendered at the window size. */ |
| mode = KMSDRM_GetConnectorMode(dispdata->connector, window->w, window->h ); |
| |
| if (mode) { |
| windata->surface_w = window->w; |
| windata->surface_h = window->h; |
| dispdata->mode = *mode; |
| } |
| else { |
| windata->surface_w = dispdata->original_mode.hdisplay; |
| windata->surface_h = dispdata->original_mode.vdisplay; |
| dispdata->mode = dispdata->original_mode; |
| } |
| |
| /* Take note to do the modesettng on the CRTC in SwapWindow. */ |
| dispdata->modeset_pending = SDL_TRUE; |
| |
| /* Create the window surfaces with the size we have just chosen. |
| Needs the window diverdata in place. */ |
| if ((ret = KMSDRM_CreateSurfaces(_this, window))) { |
| goto cleanup; |
| } |
| |
| /* Tell app about the size we have determined for the window, |
| so SDL pre-scales to that size for us. */ |
| SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, |
| windata->surface_w, windata->surface_h); |
| } /* NON-Vulkan block ends. */ |
| |
| /* Add window to the internal list of tracked windows. Note, while it may |
| seem odd to support multiple fullscreen windows, some apps create an |
| extra window as a dummy surface when working with multiple contexts */ |
| if (viddata->num_windows >= viddata->max_windows) { |
| unsigned int new_max_windows = viddata->max_windows + 1; |
| viddata->windows = (SDL_Window **)SDL_realloc(viddata->windows, |
| new_max_windows * sizeof(SDL_Window *)); |
| viddata->max_windows = new_max_windows; |
| |
| if (!viddata->windows) { |
| ret = SDL_OutOfMemory(); |
| goto cleanup; |
| } |
| } |
| |
| viddata->windows[viddata->num_windows++] = window; |
| |
| /* If we have just created a Vulkan window, establish that we are in Vulkan mode now. */ |
| viddata->vulkan_mode = is_vulkan; |
| |
| /* Focus on the newly created window */ |
| SDL_SetMouseFocus(window); |
| SDL_SetKeyboardFocus(window); |
| |
| /***********************************************************/ |
| /* Tell SDL that the mouse has entered the window using an */ |
| /* artificial event: we have no windowing system to tell */ |
| /* SDL that it has happened. This makes SDL set the */ |
| /* SDL_WINDOW_MOUSE_FOCUS on this window, thus fixing */ |
| /* Scummvm sticky-on-sides software cursor. */ |
| /***********************************************************/ |
| SDL_SendWindowEvent(window, SDL_WINDOWEVENT_ENTER, 0, 0); |
| |
| cleanup: |
| |
| if (ret) { |
| /* Allocated windata will be freed in KMSDRM_DestroyWindow */ |
| KMSDRM_DestroyWindow(_this, window); |
| } |
| return ret; |
| } |
| |
| /*****************************************************************************/ |
| /* Re-create a window surfaces without destroying the window itself, */ |
| /* and set a videomode on the CRTC that matches the surfaces size. */ |
| /* To be used by SetWindowSize() and SetWindowFullscreen(). */ |
| /*****************************************************************************/ |
| void |
| KMSDRM_ReconfigureWindow( _THIS, SDL_Window * window) { |
| SDL_DisplayData *dispdata = (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata; |
| SDL_WindowData *windata = (SDL_WindowData *) window->driverdata; |
| |
| if ((window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) == |
| SDL_WINDOW_FULLSCREEN_DESKTOP) |
| { |
| /* Update the current mode to the desktop mode, |
| take note of pending mode configuration to the CRTC, |
| and recreate the GBM surface with the same size as the size. */ |
| windata->surface_w = dispdata->original_mode.hdisplay; |
| windata->surface_h = dispdata->original_mode.vdisplay; |
| dispdata->mode = dispdata->original_mode; |
| } |
| else |
| { |
| /* Try to find a valid video mode matching the size of the window. */ |
| drmModeModeInfo *mode = KMSDRM_GetConnectorMode(dispdata->connector, |
| window->windowed.w, window->windowed.h ); |
| |
| if (mode) { |
| /* If matching mode found, recreate the GBM surface with the size |
| of that mode and configure it on the CRTC. */ |
| windata->surface_w = window->windowed.w; |
| windata->surface_h = window->windowed.h; |
| dispdata->mode = *mode; |
| } |
| else { |
| /* If not matching mode found, recreate the GBM surfaces with the |
| size of the mode that was originally configured on the CRTC, |
| and setup that mode on the CRTC. */ |
| windata->surface_w = dispdata->original_mode.hdisplay; |
| windata->surface_h = dispdata->original_mode.vdisplay; |
| dispdata->mode = dispdata->original_mode; |
| } |
| } |
| |
| /* Recreate the GBM (and EGL) surfaces, and mark the CRTC mode/fb setting |
| as pending so it's done on SwaWindon. */ |
| KMSDRM_CreateSurfaces(_this, window); |
| dispdata->modeset_pending = SDL_TRUE; |
| |
| /* Tell app about the size we have determined for the window, |
| so SDL pre-scales to that size for us. */ |
| SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, |
| windata->surface_w, windata->surface_h); |
| } |
| |
| int |
| KMSDRM_CreateWindowFrom(_THIS, SDL_Window * window, const void *data) |
| { |
| return -1; |
| } |
| |
| void |
| KMSDRM_SetWindowTitle(_THIS, SDL_Window * window) |
| { |
| } |
| void |
| KMSDRM_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon) |
| { |
| } |
| void |
| KMSDRM_SetWindowPosition(_THIS, SDL_Window * window) |
| { |
| } |
| void |
| KMSDRM_SetWindowSize(_THIS, SDL_Window * window) |
| { |
| SDL_VideoData *viddata = ((SDL_VideoData *)_this->driverdata); |
| if (!viddata->vulkan_mode) { |
| KMSDRM_ReconfigureWindow(_this, window); |
| } |
| } |
| void |
| KMSDRM_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen) |
| { |
| SDL_VideoData *viddata = ((SDL_VideoData *)_this->driverdata); |
| if (!viddata->vulkan_mode) { |
| KMSDRM_ReconfigureWindow(_this, window); |
| } |
| } |
| void |
| KMSDRM_ShowWindow(_THIS, SDL_Window * window) |
| { |
| } |
| void |
| KMSDRM_HideWindow(_THIS, SDL_Window * window) |
| { |
| } |
| void |
| KMSDRM_RaiseWindow(_THIS, SDL_Window * window) |
| { |
| } |
| void |
| KMSDRM_MaximizeWindow(_THIS, SDL_Window * window) |
| { |
| } |
| void |
| KMSDRM_MinimizeWindow(_THIS, SDL_Window * window) |
| { |
| } |
| void |
| KMSDRM_RestoreWindow(_THIS, SDL_Window * window) |
| { |
| } |
| void |
| KMSDRM_SetWindowGrab(_THIS, SDL_Window * window, SDL_bool grabbed) |
| { |
| |
| } |
| |
| /*****************************************************************************/ |
| /* SDL Window Manager function */ |
| /*****************************************************************************/ |
| SDL_bool |
| KMSDRM_GetWindowWMInfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info) |
| { |
| if (info->version.major <= SDL_MAJOR_VERSION) { |
| return SDL_TRUE; |
| } else { |
| SDL_SetError("application not compiled with SDL %d.%d\n", |
| SDL_MAJOR_VERSION, SDL_MINOR_VERSION); |
| return SDL_FALSE; |
| } |
| |
| /* Failed to get window manager information */ |
| return SDL_FALSE; |
| } |
| |
| #endif /* SDL_VIDEO_DRIVER_KMSDRM */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |