[Mesa-dev] [PATCH] mesa glthread: allow asynchronous pixel transfer operation when a buffer is bound

[Markus Wick]

Hi gregory,

Am 2017-03-17 10:25, schrieb Gregory Hainaut:
> diff --git a/src/mesa/main/marshal.c b/src/mesa/main/marshal.c
> index f8cad30..43a70d4 100644
> --- a/src/mesa/main/marshal.c
> +++ b/src/mesa/main/marshal.c
> @@ -214,6 +218,12 @@ track_vbo_binding(struct gl_context *ctx, GLenum
> target, GLuint buffer)
>         */
>        glthread->element_array_is_vbo = (buffer != 0);
>        break;
> +   case GL_PIXEL_UNPACK_BUFFER:
> +      glthread->pixel_unpack_buffer_bound = (buffer != 0);
> +      break;
> +   case GL_PIXEL_PACK_BUFFER:
> +      glthread->pixel_pack_buffer_bound = (buffer != 0);
> +      break;
>     }
>  }
> 

I wonder what shall happen if buffer is not 0, but neither a valid 
buffer object. So the glBindBuffer call will fail, and there would still 
be no buffer bound.
The comment above this function explains it very well.

degasus