22 #include "../../SDL_internal.h"
24 #if SDL_VIDEO_DRIVER_KMSDRM
27 #include "../SDL_sysvideo.h"
31 #include "../../events/SDL_mouse_c.h"
32 #include "../../events/SDL_keyboard_c.h"
34 #ifdef SDL_INPUT_LINUXEV
35 #include "../../core/linux/SDL_evdev.h"
48 #define KMSDRM_DRI_PATH "/dev/dri/"
51 check_modestting(
int devindex)
57 SDL_snprintf(device,
sizeof (device),
"%scard%d", KMSDRM_DRI_PATH, devindex);
59 drm_fd = open(device, O_RDWR | O_CLOEXEC);
62 drmModeRes *resources = KMSDRM_drmModeGetResources(drm_fd);
63 if (resources !=
NULL) {
65 KMSDRM_drmModeFreeResources(resources);
75 static int get_dricount(
void)
82 if (!(stat(KMSDRM_DRI_PATH, &sb) == 0
83 && S_ISDIR(sb.st_mode))) {
84 printf(
"The path %s cannot be opened or is not available\n",
89 if (
access(KMSDRM_DRI_PATH, F_OK) == -1) {
90 printf(
"The path %s cannot be opened\n",
95 folder = opendir(KMSDRM_DRI_PATH);
97 while ((res = readdir(folder))) {
98 if (res->d_type == DT_CHR) {
111 const int devcount = get_dricount();
114 for (i = 0; i < devcount; i++) {
115 if (check_modestting(i)) {
124 KMSDRM_Available(
void)
128 ret = get_driindex();
148 KMSDRM_Create(
int devindex)
153 if (!devindex || (devindex > 99)) {
154 devindex = get_driindex();
158 SDL_SetError(
"devindex (%d) must be between 0 and 99.\n", devindex);
168 if (device ==
NULL) {
188 device->
free = KMSDRM_Destroy;
210 #if SDL_VIDEO_OPENGL_EGL
236 "KMS/DRM Video Driver",
243 KMSDRM_FBDestroyCallback(
struct gbm_bo *bo,
void *
data)
247 if (fb_info && fb_info->
drm_fd > 0 && fb_info->
fb_id != 0) {
248 KMSDRM_drmModeRmFB(fb_info->
drm_fd, fb_info->
fb_id);
264 if (fb_info !=
NULL) {
271 if (fb_info ==
NULL) {
277 w = KMSDRM_gbm_bo_get_width(bo);
278 h = KMSDRM_gbm_bo_get_height(bo);
279 stride = KMSDRM_gbm_bo_get_stride(bo);
280 handle = KMSDRM_gbm_bo_get_handle(bo).u32;
282 ret = KMSDRM_drmModeAddFB(vdata->
drm_fd, w, h, 24, 32, stride, handle, &fb_info->
fb_id);
290 KMSDRM_gbm_bo_set_user_data(bo, fb_info, KMSDRM_FBDestroyCallback);
300 if (poll(&vdata->
drm_pollfd, 1, timeout) < 0) {
305 if (vdata->
drm_pollfd.revents & (POLLHUP | POLLERR)) {
323 KMSDRM_FlipHandler(
int fd,
unsigned int frame,
unsigned int sec,
unsigned int usec,
void *data)
340 drmModeRes *resources =
NULL;
341 drmModeConnector *connector =
NULL;
342 drmModeEncoder *encoder =
NULL;
356 if (devname ==
NULL) {
361 vdata->
drm_fd = open(devname, O_RDWR | O_CLOEXEC);
370 vdata->
gbm = KMSDRM_gbm_create_device(vdata->
drm_fd);
377 resources = KMSDRM_drmModeGetResources(vdata->
drm_fd);
383 for (i = 0; i < resources->count_connectors; i++) {
384 connector = KMSDRM_drmModeGetConnector(vdata->
drm_fd, resources->connectors[i]);
385 if (connector ==
NULL)
388 if (connector->connection == DRM_MODE_CONNECTED &&
389 connector->count_modes > 0) {
391 connector->connector_id, connector->count_modes);
396 KMSDRM_drmModeFreeConnector(connector);
400 if (i == resources->count_connectors) {
401 ret =
SDL_SetError(
"No currently active connector found.");
405 for (i = 0; i < resources->count_encoders; i++) {
406 encoder = KMSDRM_drmModeGetEncoder(vdata->
drm_fd, resources->encoders[i]);
411 if (encoder->encoder_id == connector->encoder_id) {
417 KMSDRM_drmModeFreeEncoder(encoder);
421 if (i == resources->count_encoders) {
434 data->
crtc_id = encoder->crtc_id;
436 vdata->
crtc_id = encoder->crtc_id;
464 vdata->
drm_evctx.version = DRM_EVENT_CONTEXT_VERSION;
465 vdata->
drm_evctx.page_flip_handler = KMSDRM_FlipHandler;
467 #ifdef SDL_INPUT_LINUXEV
475 KMSDRM_drmModeFreeEncoder(encoder);
476 if (connector !=
NULL)
477 KMSDRM_drmModeFreeConnector(connector);
478 if (resources !=
NULL)
479 KMSDRM_drmModeFreeResources(resources);
489 KMSDRM_gbm_device_destroy(vdata->
gbm);
515 if(KMSDRM_drmModeSetCrtc(vdata->
drm_fd, crtc->crtc_id, crtc->buffer_id,
525 KMSDRM_gbm_device_destroy(vdata->
gbm);
533 #ifdef SDL_INPUT_LINUXEV
557 Uint32 surface_fmt, surface_flags;
576 surface_fmt = GBM_FORMAT_XRGB8888;
577 surface_flags = GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING;
579 if (!KMSDRM_gbm_device_is_format_supported(vdata->
gbm, surface_fmt, surface_flags)) {
582 wdata->
gs = KMSDRM_gbm_surface_create(vdata->
gbm, window->
w, window->
h, surface_fmt, surface_flags);
584 #if SDL_VIDEO_OPENGL_EGL
585 if (!
_this->egl_data) {
622 #if SDL_VIDEO_OPENGL_EGL
627 KMSDRM_gbm_surface_destroy(wdata->
gs);
641 KMSDRM_gbm_surface_release_buffer(data->
gs, data->
crtc_bo);
645 KMSDRM_gbm_surface_release_buffer(data->
gs, data->
next_bo);
649 KMSDRM_gbm_surface_release_buffer(data->
gs, data->
current_bo);
652 #if SDL_VIDEO_OPENGL_EGL
659 KMSDRM_gbm_surface_destroy(data->
gs);
728 SDL_SetError(
"application not compiled with SDL %d.%d\n",
void(* GetDisplayModes)(_THIS, SDL_VideoDisplay *display)
int KMSDRM_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
int KMSDRM_GLES_GetSwapInterval(_THIS)
void(* MinimizeWindow)(_THIS, SDL_Window *window)
#define SDL_MINOR_VERSION
SDL_bool(* GetWindowWMInfo)(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
void SDL_KMSDRM_UnloadSymbols(void)
void(* RaiseWindow)(_THIS, SDL_Window *window)
void KMSDRM_SetWindowSize(_THIS, SDL_Window *window)
void * KMSDRM_GLES_GetProcAddress(_THIS, const char *proc)
SDL_bool waiting_for_flip
void SDL_SetKeyboardFocus(SDL_Window *window)
VideoBootStrap KMSDRM_bootstrap
void(* HideWindow)(_THIS, SDL_Window *window)
int(* GL_MakeCurrent)(_THIS, SDL_Window *window, SDL_GLContext context)
struct gbm_bo * current_bo
#define SDL_MAJOR_VERSION
void KMSDRM_InitMouse(_THIS)
void KMSDRM_MaximizeWindow(_THIS, SDL_Window *window)
GLfloat GLfloat GLfloat GLfloat h
A collection of pixels used in software blitting.
void(* SetWindowGrab)(_THIS, SDL_Window *window, SDL_bool grabbed)
The structure that defines a display mode.
int KMSDRM_CreateWindowFrom(_THIS, SDL_Window *window, const void *data)
int SDL_KMSDRM_LoadSymbols(void)
void(* SetWindowIcon)(_THIS, SDL_Window *window, SDL_Surface *icon)
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
int KMSDRM_GLES_SetSwapInterval(_THIS, int interval)
int KMSDRM_GLES_LoadLibrary(_THIS, const char *path)
void SDL_SetMouseFocus(SDL_Window *window)
void KMSDRM_GLES_UnloadLibrary(_THIS)
#define SDL_GL_LoadLibrary
SDL_GLContext KMSDRM_GLES_CreateContext(_THIS, SDL_Window *window)
int SDL_AddVideoDisplay(const SDL_VideoDisplay *display)
int KMSDRM_CreateWindow(_THIS, SDL_Window *window)
GLuint GLint GLboolean GLint GLenum access
#define SDL_GetHintBoolean
struct SDL_VideoDevice::@32 gl_config
int(* GL_SetSwapInterval)(_THIS, int interval)
static SDL_VideoDevice * _this
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
static SDL_AudioDeviceID device
#define SDL_GL_UnloadLibrary
void KMSDRM_SetWindowGrab(_THIS, SDL_Window *window, SDL_bool grabbed)
void(* GL_UnloadLibrary)(_THIS)
int(* CreateSDLWindowFrom)(_THIS, SDL_Window *window, const void *data)
EGLImageKHR EGLint EGLint * handle
int(* CreateSDLWindow)(_THIS, SDL_Window *window)
void KMSDRM_PumpEvents(_THIS)
int KMSDRM_VideoInit(_THIS)
int KMSDRM_GLES_MakeCurrent(_THIS, SDL_Window *window, SDL_GLContext context)
SDL_DisplayMode current_mode
GLubyte GLubyte GLubyte GLubyte w
void(* SetWindowPosition)(_THIS, SDL_Window *window)
drmEventContext drm_evctx
void KMSDRM_RestoreWindow(_THIS, SDL_Window *window)
void(* PumpEvents)(_THIS)
void KMSDRM_SetWindowIcon(_THIS, SDL_Window *window, SDL_Surface *icon)
void KMSDRM_HideWindow(_THIS, SDL_Window *window)
SDL_bool KMSDRM_GetWindowWMInfo(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
int(* GL_GetSwapInterval)(_THIS)
SDL_bool KMSDRM_WaitPageFlip(_THIS, SDL_WindowData *wdata, int timeout)
#define SDL_OutOfMemory()
SDL_DisplayMode desktop_mode
void(* GL_DeleteContext)(_THIS, SDL_GLContext context)
void(* MaximizeWindow)(_THIS, SDL_Window *window)
void KMSDRM_SetWindowPosition(_THIS, SDL_Window *window)
void(* DestroyWindow)(_THIS, SDL_Window *window)
int(* GL_SwapWindow)(_THIS, SDL_Window *window)
void KMSDRM_RaiseWindow(_THIS, SDL_Window *window)
void(* SetWindowSize)(_THIS, SDL_Window *window)
int(* SetDisplayMode)(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
SDL_VideoDisplay * SDL_GetDisplayForWindow(SDL_Window *window)
EGLSurface EGLNativeWindowType * window
void KMSDRM_GLES_DeleteContext(_THIS, SDL_GLContext context)
#define SDL_HINT_VIDEO_DOUBLE_BUFFER
Tell the video driver that we only want a double buffer.
The type used to identify a window.
GLbitfield GLuint64 timeout
SDL_GLContext(* GL_CreateContext)(_THIS, SDL_Window *window)
void KMSDRM_MinimizeWindow(_THIS, SDL_Window *window)
void KMSDRM_SetWindowTitle(_THIS, SDL_Window *window)
int(* GL_LoadLibrary)(_THIS, const char *path)
void KMSDRM_GetDisplayModes(_THIS, SDL_VideoDisplay *display)
void(* ShowWindow)(_THIS, SDL_Window *window)
SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode *mode)
KMSDRM_FBInfo * KMSDRM_FBFromBO(_THIS, struct gbm_bo *bo)
void(* SetWindowTitle)(_THIS, SDL_Window *window)
int KMSDRM_GLES_SwapWindow(_THIS, SDL_Window *window)
void KMSDRM_ShowWindow(_THIS, SDL_Window *window)
void KMSDRM_VideoQuit(_THIS)
static void cleanup(void)
void *(* GL_GetProcAddress)(_THIS, const char *proc)
void(* RestoreWindow)(_THIS, SDL_Window *window)
void KMSDRM_DestroyWindow(_THIS, SDL_Window *window)