static void gfx_ctx_drm_egl_swap_buffers(void *data)
{
gfx_ctx_drm_egl_data_t *drm = (gfx_ctx_drm_egl_data_t*)
driver.video_context_data;
(void)data;
eglSwapBuffers(drm->g_egl_dpy, drm->g_egl_surf);
/* I guess we have to wait for flip to have taken
* place before another flip can be queued up. */
if (waiting_for_flip)
{
wait_flip(drm->g_interval);
/* We are still waiting for a flip
* (nonblocking mode, just drop the frame).
*/
if (waiting_for_flip)
return;
}
queue_flip();
/* We have to wait for this flip to finish.
* This shouldn't happen as we have triple buffered page-flips. */
if (!gbm_surface_has_free_buffers(drm->g_gbm_surface))
{
RARCH_WARN("[KMS/EGL]: Triple buffering is not working correctly ...\n");
wait_flip(true);
}
}
static void gfx_ctx_drm_egl_destroy_resources(gfx_ctx_drm_egl_data_t *drm)
{
if (!drm)
return;
/* Make sure we acknowledge all page-flips. */
if (waiting_for_flip)
wait_flip(true);
if (drm->g_egl_dpy)
{
if (drm->g_egl_ctx)
{
eglMakeCurrent(drm->g_egl_dpy,
EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroyContext(drm->g_egl_dpy, drm->g_egl_ctx);
}
if (drm->g_egl_hw_ctx)
eglDestroyContext(drm->g_egl_dpy, drm->g_egl_hw_ctx);
if (drm->g_egl_surf)
eglDestroySurface(drm->g_egl_dpy, drm->g_egl_surf);
eglTerminate(drm->g_egl_dpy);
}
/* Be as careful as possible in deinit.
* If we screw up, the KMS tty will not restore.
*/
drm->g_egl_ctx = NULL;
drm->g_egl_hw_ctx = NULL;
drm->g_egl_surf = NULL;
drm->g_egl_dpy = NULL;
drm->g_config = 0;
/* Restore original CRTC. */
if (drm->g_orig_crtc)
{
drmModeSetCrtc(drm->g_drm_fd, drm->g_orig_crtc->crtc_id,
drm->g_orig_crtc->buffer_id,
drm->g_orig_crtc->x,
drm->g_orig_crtc->y,
&drm->g_connector_id, 1, &drm->g_orig_crtc->mode);
}
free_drm_resources(drm);
drm->g_drm_mode = NULL;
g_quit = 0;
drm->g_crtc_id = 0;
drm->g_connector_id = 0;
drm->g_fb_width = 0;
drm->g_fb_height = 0;
drm->g_bo = NULL;
drm->g_next_bo = NULL;
}
static void gfx_ctx_drm_egl_destroy(void *data)
{
(void)data;
// Make sure we acknowledge all page-flips.
if (waiting_for_flip)
wait_flip(true);
if (g_egl_dpy)
{
if (g_egl_ctx)
{
eglMakeCurrent(g_egl_dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroyContext(g_egl_dpy, g_egl_ctx);
}
if (g_egl_hw_ctx)
eglDestroyContext(g_egl_dpy, g_egl_hw_ctx);
if (g_egl_surf)
eglDestroySurface(g_egl_dpy, g_egl_surf);
eglTerminate(g_egl_dpy);
}
// Be as careful as possible in deinit.
// If we screw up, the KMS tty will not restore.
g_egl_ctx = NULL;
g_egl_hw_ctx = NULL;
g_egl_surf = NULL;
g_egl_dpy = NULL;
g_config = 0;
// Restore original CRTC.
if (g_orig_crtc)
{
drmModeSetCrtc(g_drm_fd, g_orig_crtc->crtc_id,
g_orig_crtc->buffer_id,
g_orig_crtc->x,
g_orig_crtc->y,
&g_connector_id, 1, &g_orig_crtc->mode);
}
free_drm_resources();
g_drm_mode = NULL;
g_quit = 0;
g_crtc_id = 0;
g_connector_id = 0;
g_fb_width = 0;
g_fb_height = 0;
g_bo = NULL;
g_next_bo = NULL;
g_inited = false;
}
static int exynos_flip(struct hook_data *data, struct exynos_page *page) {
/* We don't queue multiple page flips. */
if (data->pageflip_pending > 0) {
wait_flip(data->fliphandler);
}
/* Issue a page flip at the next vblank interval. */
if (drmModePageFlip(data->drm_fd, data->drm->crtc_id, page->buf_id,
DRM_MODE_PAGE_FLIP_EVENT, page)) {
fprintf(stderr, "[exynos_flip] error: failed to issue page flip\n");
return -1;
} else {
data->pageflip_pending++;
}
/* On startup no frame is displayed. We therefore wait for the initial flip to finish. */
if (data->cur_page == NULL) wait_flip(data->fliphandler);
return 0;
}
static void gfx_ctx_swap_buffers(void)
{
eglSwapBuffers(g_egl_dpy, g_egl_surf);
// I guess we have to wait for flip to have taken place before another flip can be queued up.
if (waiting_for_flip)
{
wait_flip(g_interval);
if (waiting_for_flip) // We are still waiting for a flip (nonblocking mode, just drop the frame).
return;
}
queue_flip();
// We have to wait for this flip to finish. This shouldn't happen as we have triple buffered page-flips.
if (!gbm_surface_has_free_buffers(g_gbm_surface))
{
RARCH_WARN("[KMS/EGL]: Triple buffering is not working correctly ...\n");
wait_flip(true);
}
}
void gfx_ctx_destroy(void)
{
// Make sure we acknowledge all page-flips.
if (waiting_for_flip)
wait_flip(true);
if (g_egl_dpy)
{
if (g_egl_ctx)
{
eglMakeCurrent(g_egl_dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroyContext(g_egl_dpy, g_egl_ctx);
}
if (g_egl_surf)
eglDestroySurface(g_egl_dpy, g_egl_surf);
eglTerminate(g_egl_dpy);
}
// Be as careful as possible in deinit.
// If we screw up, the KMS tty will not restore.
g_egl_ctx = NULL;
g_egl_surf = NULL;
g_egl_dpy = NULL;
g_config = 0;
// Restore original CRTC.
if (g_orig_crtc)
{
drmModeSetCrtc(g_drm_fd, g_orig_crtc->crtc_id,
g_orig_crtc->buffer_id,
g_orig_crtc->x,
g_orig_crtc->y,
&g_connector_id, 1, &g_orig_crtc->mode);
drmModeFreeCrtc(g_orig_crtc);
}
if (g_gbm_surface)
gbm_surface_destroy(g_gbm_surface);
if (g_gbm_dev)
gbm_device_destroy(g_gbm_dev);
if (g_encoder)
drmModeFreeEncoder(g_encoder);
if (g_connector)
drmModeFreeConnector(g_connector);
if (g_resources)
drmModeFreeResources(g_resources);
g_gbm_surface = NULL;
g_gbm_dev = NULL;
g_encoder = NULL;
g_connector = NULL;
g_resources = NULL;
g_orig_crtc = NULL;
g_drm_mode = NULL;
g_quit = 0;
g_crtc_id = 0;
g_connector_id = 0;
g_fb_width = 0;
g_fb_height = 0;
g_bo = NULL;
g_next_bo = NULL;
if (g_drm_fd >= 0)
close(g_drm_fd);
g_drm_fd = -1;
unsigned frames = last_page_flip - first_page_flip;
if (frames)
{
uint64_t usec = last_usec - first_usec;
RARCH_WARN("[KMS/EGL]: Estimated monitor FPS: %.5f Hz\n", 1000000.0 * frames / usec);
}
RARCH_WARN("[KMS/EGL]: Performance stats: Missed VBlanks: %u, Perfect VBlanks: %u\n",
missed_vblanks, hit_vblanks);
g_inited = false;
}
void gfx_ctx_destroy(void)
{
// Make sure we acknowledge all page-flips.
if (waiting_for_flip)
wait_flip(true);
if (g_egl_dpy)
{
if (g_egl_ctx)
{
eglMakeCurrent(g_egl_dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroyContext(g_egl_dpy, g_egl_ctx);
}
if (g_egl_surf)
eglDestroySurface(g_egl_dpy, g_egl_surf);
eglTerminate(g_egl_dpy);
}
// Be as careful as possible in deinit.
// If we screw up, the KMS tty will not restore.
g_egl_ctx = NULL;
g_egl_surf = NULL;
g_egl_dpy = NULL;
g_config = 0;
// Restore original CRTC.
if (g_orig_crtc)
{
drmModeSetCrtc(g_drm_fd, g_orig_crtc->crtc_id,
g_orig_crtc->buffer_id,
g_orig_crtc->x,
g_orig_crtc->y,
&g_connector_id, 1, &g_orig_crtc->mode);
drmModeFreeCrtc(g_orig_crtc);
}
if (g_gbm_surface)
gbm_surface_destroy(g_gbm_surface);
if (g_gbm_dev)
gbm_device_destroy(g_gbm_dev);
if (g_encoder)
drmModeFreeEncoder(g_encoder);
if (g_connector)
drmModeFreeConnector(g_connector);
if (g_resources)
drmModeFreeResources(g_resources);
g_gbm_surface = NULL;
g_gbm_dev = NULL;
g_encoder = NULL;
g_connector = NULL;
g_resources = NULL;
g_orig_crtc = NULL;
g_drm_mode = NULL;
g_quit = 0;
g_crtc_id = 0;
g_connector_id = 0;
g_fb_width = 0;
g_fb_height = 0;
g_bo = NULL;
g_next_bo = NULL;
if (g_drm_fd >= 0)
close(g_drm_fd);
g_drm_fd = -1;
g_inited = false;
}
