[Mesa-dev] [PATCH v1 1/2] egl/android: #ifdef out flink name support

Rob Herring robh at kernel.org
Tue May 1 02:20:29 UTC 2018


On Fri, Apr 27, 2018 at 6:57 AM, Robert Foss <robert.foss at collabora.com> wrote:
> From: Rob Herring <robh at kernel.org>
>
> Maintaining both flink names and prime fd support which are provided by
> 2 different gralloc implementations is problematic because we have a
> dependency on a specific gralloc implementation header.
>
> This mostly disables the dependency on the gralloc implementation and
> headers. The dependency on GRALLOC_MODULE_PERFORM_GET_DRM_FD remains for
> now, but the definition is added locally to remove the header
> dependency.
>
> drm_gralloc support can be enabled by setting
> BOARD_USES_DRM_GRALLOC=true in BoardConfig.mk.
>
> Signed-off-by: Rob Herring <robh at kernel.org>
> Signed-off-by: Robert Foss <robert.foss at collabora.com>
> ---
> Changes since RFC:
>  - Rebased on newer libdrm drmHandleMatch patch
>  - Added support for driver probing
>
>  src/egl/Android.mk                      |  6 ++++-
>  src/egl/drivers/dri2/egl_dri2.h         |  2 --
>  src/egl/drivers/dri2/platform_android.c | 41 +++++++++++++++++++++++++++++++--
>  3 files changed, 44 insertions(+), 5 deletions(-)
>
> diff --git a/src/egl/Android.mk b/src/egl/Android.mk
> index 11818694f4..8412aeb798 100644
> --- a/src/egl/Android.mk
> +++ b/src/egl/Android.mk
> @@ -57,9 +57,13 @@ LOCAL_SHARED_LIBRARIES := \
>         libhardware \
>         liblog \
>         libcutils \
> -       libgralloc_drm \
>         libsync
>
> +ifeq ($(BOARD_USES_DRM_GRALLOC),true)
> +       LOCAL_CFLAGS += -DHAVE_DRM_GRALLOC
> +       LOCAL_SHARED_LIBRARIES += libgralloc_drm
> +endif
> +
>  ifeq ($(filter $(MESA_ANDROID_MAJOR_VERSION), 4 5 6 7),)
>  LOCAL_SHARED_LIBRARIES += libnativewindow
>  endif
> diff --git a/src/egl/drivers/dri2/egl_dri2.h b/src/egl/drivers/dri2/egl_dri2.h
> index adabc527f8..5d8fbfa235 100644
> --- a/src/egl/drivers/dri2/egl_dri2.h
> +++ b/src/egl/drivers/dri2/egl_dri2.h
> @@ -67,8 +67,6 @@ struct zwp_linux_dmabuf_v1;
>
>  #include <system/window.h>
>  #include <hardware/gralloc.h>
> -#include <gralloc_drm_handle.h>
> -
>  #endif /* HAVE_ANDROID_PLATFORM */
>
>  #include "eglconfig.h"
> diff --git a/src/egl/drivers/dri2/platform_android.c b/src/egl/drivers/dri2/platform_android.c
> index 7f1a496ea2..ab1337f750 100644
> --- a/src/egl/drivers/dri2/platform_android.c
> +++ b/src/egl/drivers/dri2/platform_android.c
> @@ -37,7 +37,11 @@
>  #include "loader.h"
>  #include "egl_dri2.h"
>  #include "egl_dri2_fallbacks.h"
> +
> +#ifdef HAVE_DRM_GRALLOC
> +#include <gralloc_drm_handle.h>
>  #include "gralloc_drm.h"
> +#endif /* HAVE_DRM_GRALLOC */
>
>  #define ALIGN(val, align)      (((val) + (align) - 1) & ~((align) - 1))
>
> @@ -164,11 +168,13 @@ get_native_buffer_fd(struct ANativeWindowBuffer *buf)
>     return (handle && handle->numFds) ? handle->data[0] : -1;
>  }
>
> +#ifdef HAVE_DRM_GRALLOC
>  static int
>  get_native_buffer_name(struct ANativeWindowBuffer *buf)
>  {
>     return gralloc_drm_get_gem_handle(buf->handle);
>  }
> +#endif /* HAVE_DRM_GRALLOC */
>
>  static EGLBoolean
>  droid_window_dequeue_buffer(struct dri2_egl_surface *dri2_surf)
> @@ -836,6 +842,7 @@ droid_create_image_from_prime_fd(_EGLDisplay *disp, _EGLContext *ctx,
>     return dri2_create_image_dma_buf(disp, ctx, NULL, attr_list);
>  }
>
> +#ifdef HAVE_DRM_GRALLOC
>  static _EGLImage *
>  droid_create_image_from_name(_EGLDisplay *disp, _EGLContext *ctx,
>                               struct ANativeWindowBuffer *buf)
> @@ -879,6 +886,7 @@ droid_create_image_from_name(_EGLDisplay *disp, _EGLContext *ctx,
>
>     return &dri2_img->base;
>  }
> +#endif /* HAVE_DRM_GRALLOC */
>
>  static EGLBoolean
>  droid_query_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
> @@ -935,7 +943,11 @@ dri2_create_image_android_native_buffer(_EGLDisplay *disp,
>     if (fd >= 0)
>        return droid_create_image_from_prime_fd(disp, ctx, buf, fd);
>
> +#ifdef HAVE_DRM_GRALLOC
>     return droid_create_image_from_name(disp, ctx, buf);
> +#else
> +   return NULL;
> +#endif
>  }
>
>  static _EGLImage *
> @@ -957,6 +969,7 @@ droid_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
>  {
>  }
>
> +#ifdef HAVE_DRM_GRALLOC
>  static int
>  droid_get_buffers_parse_attachments(struct dri2_egl_surface *dri2_surf,
>                                      unsigned int *attachments, int count)
> @@ -1032,6 +1045,7 @@ droid_get_buffers_with_format(__DRIdrawable * driDrawable,
>
>     return dri2_surf->buffers;
>  }
> +#endif /* HAVE_DRM_GRALLOC */
>
>  static unsigned
>  droid_get_capability(void *loaderPrivate, enum dri_loader_cap cap)
> @@ -1114,6 +1128,14 @@ droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
>     return (config_count != 0);
>  }
>
> +enum {
> +        /* perform(const struct gralloc_module_t *mod,
> +         *         int op,
> +         *         int *fd);
> +         */
> +        GRALLOC_MODULE_PERFORM_GET_DRM_FD = 0x40000002,
> +};

Since you are keeping the header dependency, you can drop this hunk.

> +
>  static int
>  droid_open_device(struct dri2_egl_display *dri2_dpy)
>  {
> @@ -1156,6 +1178,7 @@ static const struct dri2_egl_display_vtbl droid_display_vtbl = {
>     .get_dri_drawable = dri2_surface_get_dri_drawable,
>  };
>
> +#ifdef HAVE_DRM_GRALLOC
>  static const __DRIdri2LoaderExtension droid_dri2_loader_extension = {
>     .base = { __DRI_DRI2_LOADER, 4 },
>
> @@ -1164,6 +1187,7 @@ static const __DRIdri2LoaderExtension droid_dri2_loader_extension = {
>     .getBuffersWithFormat = droid_get_buffers_with_format,
>     .getCapability        = droid_get_capability,
>  };
> +#endif /* HAVE_DRM_GRALLOC */
>
>  static const __DRIimageLoaderExtension droid_image_loader_extension = {
>     .base = { __DRI_IMAGE_LOADER, 2 },
> @@ -1173,12 +1197,14 @@ static const __DRIimageLoaderExtension droid_image_loader_extension = {
>     .getCapability       = droid_get_capability,
>  };
>
> +#ifdef HAVE_DRM_GRALLOC
>  static const __DRIextension *droid_dri2_loader_extensions[] = {
>     &droid_dri2_loader_extension.base,
>     &image_lookup_extension.base,
>     &use_invalidate.base,
>     NULL,
>  };
> +#endif /* HAVE_DRM_GRALLOC */
>
>  static const __DRIextension *droid_image_loader_extensions[] = {
>     &droid_image_loader_extension.base,
> @@ -1228,20 +1254,31 @@ dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp)
>
>     dri2_dpy->is_render_node = drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER;
>
> -   /* render nodes cannot use Gem names, and thus do not support
> -    * the __DRI_DRI2_LOADER extension */
>     if (!dri2_dpy->is_render_node) {
> +#ifdef HAVE_DRM_GRALLOC
>        dri2_dpy->loader_extensions = droid_dri2_loader_extensions;
>        if (!dri2_load_driver(disp)) {
>           err = "DRI2: failed to load driver";
>           goto cleanup;
>        }
>     } else {
> +      /* render nodes cannot use Gem names, and thus do not support
> +       * the __DRI_DRI2_LOADER extension */
>        dri2_dpy->loader_extensions = droid_image_loader_extensions;
>        if (!dri2_load_driver_dri3(disp)) {
>           err = "DRI3: failed to load driver";
>           goto cleanup;
>        }
> +#else
> +      err = "DRI2: handle is not for a render node";
> +      goto cleanup;
> +   }
> +
> +   dri2_dpy->loader_extensions = droid_image_loader_extensions;
> +   if (!dri2_load_driver_dri3(disp)) {

Do we really need this twice?

> +      err = "DRI3: failed to load driver";
> +      goto cleanup;
> +#endif
>     }
>
>     if (!dri2_create_screen(disp)) {
> --
> 2.14.1
>


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