[Mesa-stable] [PATCH 6/8] egl/dri: flesh out and use dri2_create_drawable()

Marek Olšák maraeo at gmail.com
Thu May 16 18:48:35 UTC 2019


Reviewed-by: Marek Olšák <marek.olsak at amd.com>

Marek

On Thu, May 16, 2019 at 1:03 PM Emil Velikov <emil.l.velikov at gmail.com>
wrote:

> From: Emil Velikov <emil.velikov at collabora.com>
>
> Wrap the loader->createNewDrawable() dance into a helper and use it
> throughout the codebase.
>
> This addresses a cases like surfaceless (SL) on swrast (SL on kms_swrast
> is fine) where we'd attempt using the wrong driver and crash out.
>
> v2: fixup quirky GBM (Mathias)
>
> Cc: mesa-stable at lists.freedesktop.org
> Cc: Mathias Fröhlich <Mathias.Froehlich at web.de>
> Reviewed-by: Mathias Fröhlich <Mathias.Froehlich at web.de> (v1)
> Reviewed-by: Marek Olšák <marek.olsak at amd.com> (v1)
> Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
> ---
>  src/egl/drivers/dri2/egl_dri2.c             | 39 +++++++++++++++++++++
>  src/egl/drivers/dri2/egl_dri2.h             |  5 +++
>  src/egl/drivers/dri2/platform_android.c     | 12 +------
>  src/egl/drivers/dri2/platform_drm.c         | 17 +--------
>  src/egl/drivers/dri2/platform_surfaceless.c |  7 +---
>  src/egl/drivers/dri2/platform_wayland.c     | 14 +-------
>  src/egl/drivers/dri2/platform_x11.c         | 15 +-------
>  7 files changed, 49 insertions(+), 60 deletions(-)
>
> diff --git a/src/egl/drivers/dri2/egl_dri2.c
> b/src/egl/drivers/dri2/egl_dri2.c
> index 09d6315b19e..17a0176b646 100644
> --- a/src/egl/drivers/dri2/egl_dri2.c
> +++ b/src/egl/drivers/dri2/egl_dri2.c
> @@ -1425,6 +1425,45 @@ dri2_surf_update_fence_fd(_EGLContext *ctx,
>     dri2_surface_set_out_fence_fd(surf, fence_fd);
>  }
>
> +static inline _EGLDisplay *
> +dri2_display_to_egl_display(struct dri2_egl_display *dri2_dpy)
> +{
> +   const size_t offset = offsetof(_EGLDisplay, DriverData);
> +   return (_EGLDisplay *)(((void*) dri2_dpy) - offset);
> +}
> +
> +EGLBoolean
> +dri2_create_drawable(struct dri2_egl_display *dri2_dpy,
> +                     const __DRIconfig *config,
> +                     struct dri2_egl_surface *dri2_surf)
> +{
> +   __DRIcreateNewDrawableFunc createNewDrawable;
> +   _EGLDisplay *disp = dri2_display_to_egl_display(dri2_dpy);
> +   void *loaderPrivate = dri2_surf;
> +
> +   if (dri2_dpy->image_driver)
> +      createNewDrawable = dri2_dpy->image_driver->createNewDrawable;
> +   else if (dri2_dpy->dri2)
> +      createNewDrawable = dri2_dpy->dri2->createNewDrawable;
> +   else if (dri2_dpy->swrast)
> +      createNewDrawable = dri2_dpy->swrast->createNewDrawable;
> +   else
> +      return _eglError(EGL_BAD_ALLOC, "no createNewDrawable");
> +
> +   /* As always gbm is a bit special.. */
> +#ifdef HAVE_DRM_PLATFORM
> +   if (disp->Platform == _EGL_PLATFORM_DRM)
> +      loaderPrivate = dri2_surf->gbm_surf;
> +#endif
> +
> +   dri2_surf->dri_drawable = (*createNewDrawable)(dri2_dpy->dri_screen,
> +                                                  config, loaderPrivate);
> +   if (dri2_surf->dri_drawable == NULL)
> +      return _eglError(EGL_BAD_ALLOC, "createNewDrawable");
> +
> +   return EGL_TRUE;
> +}
> +
>  /**
>   * Called via eglMakeCurrent(), drv->API.MakeCurrent().
>   */
> diff --git a/src/egl/drivers/dri2/egl_dri2.h
> b/src/egl/drivers/dri2/egl_dri2.h
> index 4918517b572..5555bcea3ab 100644
> --- a/src/egl/drivers/dri2/egl_dri2.h
> +++ b/src/egl/drivers/dri2/egl_dri2.h
> @@ -541,6 +541,11 @@ dri2_init_surface(_EGLSurface *surf, _EGLDisplay
> *disp, EGLint type,
>  void
>  dri2_fini_surface(_EGLSurface *surf);
>
> +EGLBoolean
> +dri2_create_drawable(struct dri2_egl_display *dri2_dpy,
> +                     const __DRIconfig *config,
> +                     struct dri2_egl_surface *dri2_surf);
> +
>  static inline uint64_t
>  combine_u32_into_u64(uint32_t hi, uint32_t lo)
>  {
> diff --git a/src/egl/drivers/dri2/platform_android.c
> b/src/egl/drivers/dri2/platform_android.c
> index fece214d939..e44447c7df7 100644
> --- a/src/egl/drivers/dri2/platform_android.c
> +++ b/src/egl/drivers/dri2/platform_android.c
> @@ -341,7 +341,6 @@ droid_create_surface(_EGLDriver *drv, _EGLDisplay
> *disp, EGLint type,
>                     _EGLConfig *conf, void *native_window,
>                     const EGLint *attrib_list)
>  {
> -   __DRIcreateNewDrawableFunc createNewDrawable;
>     struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
>     struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
>     struct dri2_egl_surface *dri2_surf;
> @@ -386,17 +385,8 @@ droid_create_surface(_EGLDriver *drv, _EGLDisplay
> *disp, EGLint type,
>        goto cleanup_surface;
>     }
>
> -   if (dri2_dpy->image_driver)
> -      createNewDrawable = dri2_dpy->image_driver->createNewDrawable;
> -   else
> -      createNewDrawable = dri2_dpy->dri2->createNewDrawable;
> -
> -   dri2_surf->dri_drawable = (*createNewDrawable)(dri2_dpy->dri_screen,
> config,
> -                                                  dri2_surf);
> -   if (dri2_surf->dri_drawable == NULL) {
> -      _eglError(EGL_BAD_ALLOC, "createNewDrawable");
> +   if (!dri2_create_drawable(dri2_dpy, config, dri2_surf))
>        goto cleanup_surface;
> -   }
>
>     if (window) {
>        window->common.incRef(&window->common);
> diff --git a/src/egl/drivers/dri2/platform_drm.c
> b/src/egl/drivers/dri2/platform_drm.c
> index 7d916fe92b7..c59b9341d87 100644
> --- a/src/egl/drivers/dri2/platform_drm.c
> +++ b/src/egl/drivers/dri2/platform_drm.c
> @@ -171,23 +171,8 @@ dri2_drm_create_window_surface(_EGLDriver *drv,
> _EGLDisplay *disp,
>     dri2_surf->base.Height = surf->base.height;
>     surf->dri_private = dri2_surf;
>
> -   if (dri2_dpy->dri2) {
> -      dri2_surf->dri_drawable =
> -         dri2_dpy->dri2->createNewDrawable(dri2_dpy->dri_screen, config,
> -                                           dri2_surf->gbm_surf);
> -
> -   } else {
> -      assert(dri2_dpy->swrast != NULL);
> -
> -      dri2_surf->dri_drawable =
> -         dri2_dpy->swrast->createNewDrawable(dri2_dpy->dri_screen, config,
> -                                             dri2_surf->gbm_surf);
> -
> -   }
> -   if (dri2_surf->dri_drawable == NULL) {
> -      _eglError(EGL_BAD_ALLOC, "createNewDrawable()");
> +   if (!dri2_create_drawable(dri2_dpy, config, dri2_surf))
>        goto cleanup_surf;
> -   }
>
>     return &dri2_surf->base;
>
> diff --git a/src/egl/drivers/dri2/platform_surfaceless.c
> b/src/egl/drivers/dri2/platform_surfaceless.c
> index 27b1d44ebec..ce9f7d0f980 100644
> --- a/src/egl/drivers/dri2/platform_surfaceless.c
> +++ b/src/egl/drivers/dri2/platform_surfaceless.c
> @@ -136,13 +136,8 @@ dri2_surfaceless_create_surface(_EGLDriver *drv,
> _EGLDisplay *disp, EGLint type,
>        goto cleanup_surface;
>     }
>
> -   dri2_surf->dri_drawable =
> -      dri2_dpy->image_driver->createNewDrawable(dri2_dpy->dri_screen,
> config,
> -                                                dri2_surf);
> -   if (dri2_surf->dri_drawable == NULL) {
> -      _eglError(EGL_BAD_ALLOC, "image->createNewDrawable");
> +   if (!dri2_create_drawable(dri2_dpy, config, dri2_surf))
>        goto cleanup_surface;
> -    }
>
>     if (conf->RedSize == 5)
>        dri2_surf->visual = __DRI_IMAGE_FORMAT_RGB565;
> diff --git a/src/egl/drivers/dri2/platform_wayland.c
> b/src/egl/drivers/dri2/platform_wayland.c
> index 0f5d85be326..fb5ecdab2c5 100644
> --- a/src/egl/drivers/dri2/platform_wayland.c
> +++ b/src/egl/drivers/dri2/platform_wayland.c
> @@ -272,7 +272,6 @@ dri2_wl_create_window_surface(_EGLDriver *drv,
> _EGLDisplay *disp,
>                                _EGLConfig *conf, void *native_window,
>                                const EGLint *attrib_list)
>  {
> -   __DRIcreateNewDrawableFunc createNewDrawable;
>     struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
>     struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
>     struct wl_egl_window *window = native_window;
> @@ -349,19 +348,8 @@ dri2_wl_create_window_surface(_EGLDriver *drv,
> _EGLDisplay *disp,
>     if (dri2_dpy->flush)
>        dri2_surf->wl_win->resize_callback = resize_callback;
>
> -   if (dri2_dpy->image_driver)
> -      createNewDrawable = dri2_dpy->image_driver->createNewDrawable;
> -   else if (dri2_dpy->dri2)
> -      createNewDrawable = dri2_dpy->dri2->createNewDrawable;
> -   else
> -      createNewDrawable = dri2_dpy->swrast->createNewDrawable;
> -
> -   dri2_surf->dri_drawable = (*createNewDrawable)(dri2_dpy->dri_screen,
> config,
> -                                                  dri2_surf);
> -    if (dri2_surf->dri_drawable == NULL) {
> -      _eglError(EGL_BAD_ALLOC, "createNewDrawable");
> +   if (!dri2_create_drawable(dri2_dpy, config, dri2_surf))
>         goto cleanup_surf_wrapper;
> -    }
>
>     dri2_surf->base.SwapInterval = dri2_dpy->default_swap_interval;
>
> diff --git a/src/egl/drivers/dri2/platform_x11.c
> b/src/egl/drivers/dri2/platform_x11.c
> index 538cffd6a76..be9eb513243 100644
> --- a/src/egl/drivers/dri2/platform_x11.c
> +++ b/src/egl/drivers/dri2/platform_x11.c
> @@ -290,21 +290,8 @@ dri2_x11_create_surface(_EGLDriver *drv, _EGLDisplay
> *disp, EGLint type,
>        goto cleanup_pixmap;
>     }
>
> -   if (dri2_dpy->dri2) {
> -      dri2_surf->dri_drawable =
> -         dri2_dpy->dri2->createNewDrawable(dri2_dpy->dri_screen, config,
> -                                           dri2_surf);
> -   } else {
> -      assert(dri2_dpy->swrast);
> -      dri2_surf->dri_drawable =
> -         dri2_dpy->swrast->createNewDrawable(dri2_dpy->dri_screen, config,
> -                                             dri2_surf);
> -   }
> -
> -   if (dri2_surf->dri_drawable == NULL) {
> -      _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
> +   if (!dri2_create_drawable(dri2_dpy, config, dri2_surf))
>        goto cleanup_pixmap;
> -   }
>
>     if (type != EGL_PBUFFER_BIT) {
>        cookie = xcb_get_geometry (dri2_dpy->conn, dri2_surf->drawable);
> --
> 2.21.0
>
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> mesa-stable at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-stable
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