[Mesa-stable] [Mesa-dev] [PATCH 2/2] mesa: Implement GL_FRAMEBUFFER_ATTACHMENT_LAYERED query.

[Chris Forbes]

These two are:

Reviewed-by: Chris Forbes <chrisf at ijw.co.nz>

On Wed, Nov 20, 2013 at 8:02 PM, Paul Berry <stereotype441 at gmail.com> wrote:
> From section 6.1.18 (Renderbuffer Object Queries) of the GL 3.2 spec,
> under the heading "If the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE
> is TEXTURE, then":
>
>     If pname is FRAMEBUFFER_ATTACHMENT_LAYERED, then params will
>     contain TRUE if an entire level of a three-dimesional texture,
>     cube map texture, or one-or two-dimensional array texture is
>     attached. Otherwise, params will contain FALSE.
>
> Fixes piglit tests:
> - spec/!OpenGL 3.2/layered-rendering/framebuffer-layered-attachments
> - spec/!OpenGL 3.2/layered-rendering/framebuffertexture-defaults
>
> Cc: "10.0" <mesa-stable at lists.freedesktop.org>
> ---
>  src/mesa/main/fbobject.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
> index 2feb4c3..facd019 100644
> --- a/src/mesa/main/fbobject.c
> +++ b/src/mesa/main/fbobject.c
> @@ -2950,6 +2950,18 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
>                         " invalid FBO attachment structure");
>        }
>        return;
> +   case GL_FRAMEBUFFER_ATTACHMENT_LAYERED:
> +      if (!_mesa_has_geometry_shaders(ctx)) {
> +         goto invalid_pname_enum;
> +      } else if (att->Type == GL_TEXTURE) {
> +         *params = att->Layered;
> +      } else if (att->Type == GL_NONE) {
> +         _mesa_error(ctx, err,
> +                     "glGetFramebufferAttachmentParameterivEXT(pname)");
> +      } else {
> +         goto invalid_pname_enum;
> +      }
> +      return;
>     default:
>        goto invalid_pname_enum;
>     }
> --
> 1.8.4.2
>
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