[Mesa-dev] [PATCH 1/2] util: Add helpers for iterating over Vulkan extension structs

[Dave Airlie]

Reviewed-by: Dave Airlie <airlied at redhat.com>

Thanks for making it useful for radv :-)

Dave.

On 15 February 2017 at 10:03, Jason Ekstrand <jason at jlekstrand.net> wrote:


> ---
>  src/util/Makefile.sources |  3 ++-
>  src/util/vk_util.h        | 43 +++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 45 insertions(+), 1 deletion(-)
>  create mode 100644 src/util/vk_util.h
>
> diff --git a/src/util/Makefile.sources b/src/util/Makefile.sources
> index a68a5fe..eec0311 100644
> --- a/src/util/Makefile.sources
> +++ b/src/util/Makefile.sources
> @@ -44,7 +44,8 @@ MESA_UTIL_FILES :=    \
>         u_endian.h \
>         u_vector.c \
>         u_vector.h \
> -       vk_alloc.h
> +       vk_alloc.h \
> +       vk_utils.h
>
>  MESA_UTIL_GENERATED_FILES = \
>         format_srgb.c
> diff --git a/src/util/vk_util.h b/src/util/vk_util.h
> new file mode 100644
> index 0000000..e0b5d0b
> --- /dev/null
> +++ b/src/util/vk_util.h
> @@ -0,0 +1,43 @@
> +/*
> + * Copyright © 2017 Intel Corporation
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the next
> + * paragraph) shall be included in all copies or substantial portions of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> + * IN THE SOFTWARE.
> + */
> +#ifndef VK_UTIL_H
> +#define VK_UTIL_H
> +
> +/* common inlines and macros for vulkan drivers */
> +
> +#include <vulkan/vulkan.h>
> +
> +struct vk_struct_common {
> +    VkStructureType sType;
> +    struct vk_struct_common *pNext;
> +};
> +
> +#define vk_foreach_struct(__iter, __start) \
> +   for (struct vk_struct_common *__iter = (struct vk_struct_common *)(__start); \
> +        __iter; __iter = __iter->pNext)
> +
> +#define vk_foreach_struct_const(__iter, __start) \
> +   for (const struct vk_struct_common *__iter = (const struct vk_struct_common *)(__start); \
> +        __iter; __iter = __iter->pNext)
> +
> +#endif /* VK_UTIL_H */
> --
> 2.5.0.400.gff86faf
>
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