diff options
Diffstat (limited to 'drm-atomic.c')
| -rw-r--r-- | drm-atomic.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drm-atomic.c b/drm-atomic.c index 1fc7586..16c4d08 100644 --- a/drm-atomic.c +++ b/drm-atomic.c @@ -196,6 +196,7 @@ static int atomic_run(const struct gbm *gbm, const struct egl *egl) start_time = report_time = get_time_ns(); while (i < drm.count) { + unsigned frame = i; struct gbm_bo *next_bo; EGLSyncKHR gpu_fence = NULL; /* out-fence from gpu, in-fence to kms */ EGLSyncKHR kms_fence = NULL; /* in-fence to gpu, out-fence from kms */ @@ -222,6 +223,10 @@ static int atomic_run(const struct gbm *gbm, const struct egl *egl) start_time = report_time = get_time_ns(); } + if (!gbm->surface) { + glBindFramebuffer(GL_FRAMEBUFFER, egl->fbs[frame % NUM_BUFFERS].fb); + } + egl->draw(i++); /* insert fence to be singled in cmdstream.. this fence will be @@ -230,7 +235,9 @@ static int atomic_run(const struct gbm *gbm, const struct egl *egl) gpu_fence = create_fence(egl, EGL_NO_NATIVE_FENCE_FD_ANDROID); assert(gpu_fence); - eglSwapBuffers(egl->display, egl->surface); + if (gbm->surface) { + eglSwapBuffers(egl->display, egl->surface); + } /* after swapbuffers, gpu_fence should be flushed, so safe * to get fd: @@ -239,7 +246,11 @@ static int atomic_run(const struct gbm *gbm, const struct egl *egl) egl->eglDestroySyncKHR(egl->display, gpu_fence); assert(drm.kms_in_fence_fd != -1); - next_bo = gbm_surface_lock_front_buffer(gbm->surface); + if (gbm->surface) { + next_bo = gbm_surface_lock_front_buffer(gbm->surface); + } else { + next_bo = gbm->bos[frame % NUM_BUFFERS]; + } if (!next_bo) { printf("Failed to lock frontbuffer\n"); return -1; @@ -300,7 +311,7 @@ static int atomic_run(const struct gbm *gbm, const struct egl *egl) } /* release last buffer to render on again: */ - if (bo) + if (bo && gbm->surface) gbm_surface_release_buffer(gbm->surface, bo); bo = next_bo; |