[Mesa-stable] [PATCH] i965: Fix is-renderable check in intel_image_target_renderbuffer_storage

[Anuj Phogat]

On Thu, Oct 15, 2015 at 2:01 PM, Ian Romanick <idr at freedesktop.org> wrote:
> From: Ian Romanick <ian.d.romanick at intel.com>
>
> Previously we could create a renderbuffer with format
> MESA_FORMAT_R8G8B8A8_UNORM, convert that renderbuffer to an EGLImage,
> then FAIL to convert the EGLImage back to a renderbuffer because
> reasons.  Just use the same check in
> intel_image_target_renderbuffer_storage that brw_render_target_supported
> uses.
>
> There are more checks in brw_render_target_supported, but I don't think
> they are necessary here.  A different approach would be to refactor
> brw_render_target_supported to take rb->Format and rb->NumSamples as
> parameters (instead of a gl_renderbuffer) and use the new function here.
>
Right those checks in brw_render_target_supported() shouldn't matter
for OpenGL ES.

> Fixes:
>
>     ES2-CTS.gtf.GL2ExtensionTests.egl_image.egl_image
>
> Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92476
> Cc: "10.3 10.4 10.5 10.6 11.0" <mesa-stable at lists.freedesktop.org>
> ---
>  src/mesa/drivers/dri/i965/intel_fbo.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/intel_fbo.c b/src/mesa/drivers/dri/i965/intel_fbo.c
> index 5a6b0dd..7f281fa 100644
> --- a/src/mesa/drivers/dri/i965/intel_fbo.c
> +++ b/src/mesa/drivers/dri/i965/intel_fbo.c
> @@ -348,14 +348,10 @@ intel_image_target_renderbuffer_storage(struct gl_context *ctx,
>     }
>
>     /* __DRIimage is opaque to the core so it has to be checked here */
> -   switch (image->format) {
> -   case MESA_FORMAT_R8G8B8A8_UNORM:
> +   if (!brw->format_supported_as_render_target[image->format]) {
>        _mesa_error(ctx, GL_INVALID_OPERATION,
>              "glEGLImageTargetRenderbufferStorage(unsupported image format");
>        return;
> -      break;
> -   default:
> -      break;
>     }
>
>     irb = intel_renderbuffer(rb);
> --
> 2.1.0
>
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Patch is:
Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>