[PATCH weston] gl-renderer: Allow compilation when EGL_BUFFER_AGE_EXT is not present

[John Kåre Alsaker]

The extension should be added to weston-egl-ext.h instead.

On Wed, Mar 20, 2013 at 6:05 PM, Rob Bradford <robert.bradford at intel.com> wrote:
> From: Rob Bradford <rob at linux.intel.com>
>
> In 1c169ff support is added for using the EGL_BUFFER_AGE_EXT extension
> including runtime detection of whether the extension is available. This change
> extends that to also check that the extension is known about at compile time.
>
> This allows weston to continue to compile against EGL stacks that don't yet
> have that extension.
> ---
>  src/gl-renderer.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/src/gl-renderer.c b/src/gl-renderer.c
> index ea6631f..11a97f7 100644
> --- a/src/gl-renderer.c
> +++ b/src/gl-renderer.c
> @@ -950,11 +950,13 @@ output_get_buffer_damage(struct weston_output *output,
>                          pixman_region32_t *buffer_damage)
>  {
>         struct gl_output_state *go = get_output_state(output);
> -       struct gl_renderer *gr = get_renderer(output->compositor);
>         EGLint buffer_age = 0;
> -       EGLBoolean ret;
>         int i;
>
> +#ifdef EGL_BUFFER_AGE_EXT
> +       struct gl_renderer *gr = get_renderer(output->compositor);
> +       EGLBoolean ret;
> +
>         if (gr->has_egl_buffer_age) {
>                 ret = eglQuerySurface(gr->egl_display, go->egl_surface,
>                                       EGL_BUFFER_AGE_EXT, &buffer_age);
> @@ -963,6 +965,7 @@ output_get_buffer_damage(struct weston_output *output,
>                         gl_renderer_print_egl_error_state();
>                 }
>         }
> +#endif
>
>         if (buffer_age == 0 || buffer_age - 1 > BUFFER_DAMAGE_COUNT)
>                 pixman_region32_copy(buffer_damage, &output->region);
> --
> 1.8.1.2
>
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