diff options
| -rw-r--r-- | src/newt/native/drm_gbm_egl_test01.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/newt/native/drm_gbm_egl_test01.c b/src/newt/native/drm_gbm_egl_test01.c index f44f52a9f..200d9e4ea 100644 --- a/src/newt/native/drm_gbm_egl_test01.c +++ b/src/newt/native/drm_gbm_egl_test01.c @@ -525,6 +525,77 @@ static DRM_FB * drm_fb_get_from_bo(int drmFd, struct gbm_bo *bo) return fb; } +typedef struct { + uint32_t crtc_id; + struct gbm_bo *bo; + uint32_t bo_handle; + int x, y; +} DRM_CURSOR; + +static DRM_CURSOR *drm_create_cursor(int drmFd, struct gbm_device *gbmDevice, uint32_t crtc_id) +{ + DRM_CURSOR * c = calloc(1, sizeof(DRM_CURSOR)); + uint32_t buf[64 * 64]; + int ret; + + c->crtc_id = crtc_id; + c->bo = gbm_bo_create(gbmDevice, 64, 64, + GBM_FORMAT_ARGB8888, + GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE); + if( NULL == c->bo ) { + ERR_PRINT("cursor.cstr gbm_bo_create failed\n"); + return NULL; + } + c->bo_handle = gbm_bo_get_handle(c->bo).u32; + + memset(buf, 255, sizeof buf); // white for now + if ( gbm_bo_write(c->bo, buf, sizeof(buf)) < 0 ) { + ERR_PRINT("cursor.cstr gbm_bo_write failed\n"); + return NULL; + } + ret = drmModeSetCursor(drmFd, c->crtc_id, c->bo_handle, 64, 64); + if( ret ) { + ERR_PRINT("cursor.cstr drmModeSetCursor failed: %d %s\n", ret, strerror(errno)); + return NULL; + } + + return c; +} +static void drm_destroy_cursor(int drmFd, DRM_CURSOR *c) +{ + int crtc_id = c->crtc_id; + struct gbm_bo *bo = c->bo; + int ret; + c->crtc_id=-1; + c->bo_handle=0; + c->bo=NULL; + ret = drmModeSetCursor(drmFd, crtc_id, 0, 0, 0); + if( ret ) { + ERR_PRINT("cursor.dstr drmModeSetCursor failed: %d %s\n", ret, strerror(errno)); + } + gbm_bo_destroy(bo); + free(c); +} +static int drm_move_cursor(int drmFd, DRM_CURSOR *c, int x, int y) +{ + int ret; + + if( c->x != x || c->y != y ) { + c->x = x; + c->y = y; + ret = drmModeMoveCursor(drmFd, c->crtc_id, x, y); + if( ret ) { + ERR_PRINT("cursor drmModeMoveCursor failed: %d %s\n", ret, strerror(errno)); + return ret; + } + } + return 0; +} + +// drm_public int drmModeSetCursor(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height); +// drm_public int drmModeSetCursor2(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height, int32_t hot_x, int32_t hot_y); +// drm_public int drmModeMoveCursor(int fd, uint32_t crtcId, int x, int y); + // #define USE_SURFACELESS 1 #ifdef USE_SURFACELESS #warning Using KHR_SURFACELESS @@ -553,6 +624,8 @@ int main(int argc, char *argv[]) EGLContext glContext = NULL; struct gbm_bo *bo = NULL; DRM_FB * fb = NULL; + DRM_CURSOR * cursor = NULL; + int cursorX=0, cursorY=0; uint32_t i = 0; int ret; @@ -673,6 +746,9 @@ int main(int argc, char *argv[]) return -1; } + cursor = drm_create_cursor(drm->fd, gbmDevice, drm->encoder->crtc_id); + drm_move_cursor(drm->fd, cursor, cursorX, cursorY); + { eglDisplay = getPlatformEGLDisplay(gbmDevice); @@ -761,6 +837,16 @@ int main(int argc, char *argv[]) struct gbm_bo *next_bo; int waiting_for_flip = 1; + cursorX += 1; + cursorY += 1; + if( cursorX >= drm->current_mode->hdisplay ) { + cursorX = 0; + } + if( cursorY >= drm->current_mode->vdisplay ) { + cursorY = 0; + } + drm_move_cursor(drm->fd, cursor, cursorX, cursorY); + if( ++i > 255 ) { i = 0; } glClearColor(0.2f, 0.3f, (float)i/255.0f, 1.0f); glClear(GL_COLOR_BUFFER_BIT); @@ -807,6 +893,9 @@ int main(int argc, char *argv[]) bo = next_bo; } + drm_destroy_cursor(drm->fd, cursor); + cursor = NULL; + return ret; } |