diff options
Diffstat (limited to 'src/egl/drivers/dri2/platform_android.c')
| -rw-r--r-- | src/egl/drivers/dri2/platform_android.c | 168 |
1 files changed, 163 insertions, 5 deletions
diff --git a/src/egl/drivers/dri2/platform_android.c b/src/egl/drivers/dri2/platform_android.c index ac4fc56bd7b..a683d05d8d8 100644 --- a/src/egl/drivers/dri2/platform_android.c +++ b/src/egl/drivers/dri2/platform_android.c @@ -303,6 +303,32 @@ droid_window_cancel_buffer(struct dri2_egl_surface *dri2_surf) } } +static bool +droid_set_shared_buffer_mode(_EGLDisplay *disp, _EGLSurface *surf, bool mode) +{ +#if ANDROID_API_LEVEL >= 24 + struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); + struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); + struct ANativeWindow *window = dri2_surf->window; + + assert(surf->Type == EGL_WINDOW_BIT); + assert(_eglSurfaceHasMutableRenderBuffer(&dri2_surf->base)); + + _eglLog(_EGL_DEBUG, "%s: mode=%d", __func__, mode); + + if (native_window_set_shared_buffer_mode(window, mode)) { + _eglLog(_EGL_WARNING, "failed native_window_set_shared_buffer_mode" + "(window=%p, mode=%d)", window, mode); + return false; + } + + return true; +#else + _eglLog(_EGL_FATAL, "%s:%d: internal error: unreachable", __FILE__, __LINE__); + return false; +#endif +} + static _EGLSurface * droid_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type, _EGLConfig *conf, void *native_window, @@ -593,6 +619,21 @@ droid_image_get_buffers(__DRIdrawable *driDrawable, if (update_buffers(dri2_surf) < 0) return 0; + if (_eglSurfaceInSharedBufferMode(&dri2_surf->base)) { + if (get_back_bo(dri2_surf) < 0) + return 0; + + /* We have dri_image_back because this is a window surface and + * get_back_bo() succeeded. + */ + assert(dri2_surf->dri_image_back); + images->back = dri2_surf->dri_image_back; + images->image_mask |= __DRI_IMAGE_BUFFER_SHARED; + + /* There exists no accompanying back nor front buffer. */ + return 1; + } + if (buffer_mask & __DRI_IMAGE_BUFFER_FRONT) { if (get_front_bo(dri2_surf, format) < 0) return 0; @@ -639,6 +680,21 @@ droid_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) if (dri2_surf->base.Type != EGL_WINDOW_BIT) return EGL_TRUE; + const bool has_mutable_rb = _eglSurfaceHasMutableRenderBuffer(draw); + + /* From the EGL_KHR_mutable_render_buffer spec (v12): + * + * If surface is a single-buffered window, pixmap, or pbuffer surface + * for which there is no pending change to the EGL_RENDER_BUFFER + * attribute, eglSwapBuffers has no effect. + */ + if (has_mutable_rb && + draw->RequestedRenderBuffer == EGL_SINGLE_BUFFER && + draw->ActiveRenderBuffer == EGL_SINGLE_BUFFER) { + _eglLog(_EGL_DEBUG, "%s: remain in shared buffer mode", __func__); + return EGL_TRUE; + } + for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { if (dri2_surf->color_buffers[i].age > 0) dri2_surf->color_buffers[i].age++; @@ -663,6 +719,18 @@ droid_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) dri2_dpy->flush->invalidate(dri2_surf->dri_drawable); + /* Update the shared buffer mode */ + if (has_mutable_rb && + draw->ActiveRenderBuffer != draw->RequestedRenderBuffer) { + bool mode = (draw->RequestedRenderBuffer == EGL_SINGLE_BUFFER); + _eglLog(_EGL_DEBUG, "%s: change to shared buffer mode %d", + __func__, mode); + + if (!droid_set_shared_buffer_mode(disp, draw, mode)) + return EGL_FALSE; + draw->ActiveRenderBuffer = draw->RequestedRenderBuffer; + } + return EGL_TRUE; } @@ -1176,6 +1244,7 @@ static const struct dri2_egl_display_vtbl droid_display_vtbl = { .create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image, .get_sync_values = dri2_fallback_get_sync_values, .get_dri_drawable = dri2_surface_get_dri_drawable, + .set_shared_buffer_mode = droid_set_shared_buffer_mode, }; #ifdef HAVE_DRM_GRALLOC @@ -1202,14 +1271,94 @@ static const __DRIextension *droid_dri2_loader_extensions[] = { &droid_dri2_loader_extension.base, &image_lookup_extension.base, &use_invalidate.base, + /* No __DRI_MUTABLE_RENDER_BUFFER_LOADER because it requires + * __DRI_IMAGE_LOADER. + */ NULL, }; #endif /* HAVE_DRM_GRALLOC */ +static void +droid_display_shared_buffer(__DRIdrawable *driDrawable, int fence_fd, + void *loaderPrivate) +{ + struct dri2_egl_surface *dri2_surf = loaderPrivate; + struct ANativeWindowBuffer *old_buffer UNUSED = dri2_surf->buffer; + + if (!_eglSurfaceInSharedBufferMode(&dri2_surf->base)) { + _eglLog(_EGL_WARNING, "%s: internal error: buffer is not shared", + __func__); + return; + } + + if (fence_fd >= 0) { + /* The driver's fence is more recent than the surface's out fence, if it + * exists at all. So use the driver's fence. + */ + if (dri2_surf->out_fence_fd >= 0) { + close(dri2_surf->out_fence_fd); + dri2_surf->out_fence_fd = -1; + } + } else if (dri2_surf->out_fence_fd >= 0) { + fence_fd = dri2_surf->out_fence_fd; + dri2_surf->out_fence_fd = -1; + } + + if (dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer, + fence_fd)) { + _eglLog(_EGL_WARNING, "%s: ANativeWindow::queueBuffer failed", __func__); + close(fence_fd); + return; + } + + fence_fd = -1; + + if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer, + &fence_fd)) { + /* Tear down the surface because it no longer has a back buffer. */ + struct dri2_egl_display *dri2_dpy = + dri2_egl_display(dri2_surf->base.Resource.Display); + + _eglLog(_EGL_WARNING, "%s: ANativeWindow::dequeueBuffer failed", __func__); + + dri2_surf->base.Lost = true; + dri2_surf->buffer = NULL; + dri2_surf->back = NULL; + + if (dri2_surf->dri_image_back) { + dri2_dpy->image->destroyImage(dri2_surf->dri_image_back); + dri2_surf->dri_image_back = NULL; + } + + dri2_dpy->flush->invalidate(dri2_surf->dri_drawable); + return; + } + + if (fence_fd < 0) + return; + + /* Access to the buffer is controlled by a sync fence. Block on it. + * + * Ideally, we would submit the fence to the driver, and the driver would + * postpone command execution until it signalled. But DRI lacks API for + * that (as of 2018-04-11). + * + * SYNC_IOC_WAIT waits forever if timeout < 0 + */ + sync_wait(fence_fd, -1); + close(fence_fd); +} + +static const __DRImutableRenderBufferLoaderExtension droid_mutable_render_buffer_extension = { + .base = { __DRI_MUTABLE_RENDER_BUFFER_LOADER, 1 }, + .displaySharedBuffer = droid_display_shared_buffer, +}; + static const __DRIextension *droid_image_loader_extensions[] = { &droid_image_loader_extension.base, &image_lookup_extension.base, &use_invalidate.base, + &droid_mutable_render_buffer_extension.base, NULL, }; @@ -1436,11 +1585,6 @@ dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp) */ dri2_setup_swap_interval(disp, 1); - if (!droid_add_configs_for_visuals(drv, disp)) { - err = "DRI2: failed to add configs"; - goto cleanup; - } - disp->Extensions.ANDROID_framebuffer_target = EGL_TRUE; disp->Extensions.ANDROID_image_native_buffer = EGL_TRUE; disp->Extensions.ANDROID_recordable = EGL_TRUE; @@ -1449,6 +1593,20 @@ dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp) disp->Extensions.KHR_partial_update = EGL_TRUE; #endif disp->Extensions.KHR_image = EGL_TRUE; +#if ANDROID_API_LEVEL >= 24 + if (dri2_dpy->mutable_render_buffer && + dri2_dpy->loader_extensions == droid_image_loader_extensions) { + disp->Extensions.KHR_mutable_render_buffer = EGL_TRUE; + } +#endif + + /* Create configs *after* enabling extensions because presence of DRI + * driver extensions can affect the capabilities of EGLConfigs. + */ + if (!droid_add_configs_for_visuals(drv, disp)) { + err = "DRI2: failed to add configs"; + goto cleanup; + } /* Fill vtbl last to prevent accidentally calling virtual function during * initialization. |