[Mesa-dev] [PATCH 1/2] mesa: implement ARB_map_buffer_alignment

[Brian Paul]

On 10/28/2012 10:55 AM, Marek Olšák wrote:
> ---
>   src/mapi/glapi/gen/gl_API.xml    |    8 +++++++-
>   src/mesa/main/extensions.c       |    1 +
>   src/mesa/main/get.c              |    1 +
>   src/mesa/main/get_hash_params.py |    3 +++
>   src/mesa/main/mtypes.h           |    4 ++++
>   5 files changed, 16 insertions(+), 1 deletion(-)
>
> diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
> index a46d613..c38aa3a 100644
> --- a/src/mapi/glapi/gen/gl_API.xml
> +++ b/src/mapi/glapi/gen/gl_API.xml
> @@ -8075,7 +8075,13 @@
>     </function>
>   </category>
>
> -<!-- ARB extensions #110...#116 -->
> +<!-- ARB extensions #110...#112 -->
> +
> +<category name="GL_ARB_map_buffer_alignment" number="113">
> +<enum name="MIN_MAP_BUFFER_ALIGNMENT" value="0x90BC" />
> +</category>
> +
> +<!-- ARB extensions #114...#116 -->
>
>   <xi:include href="ARB_base_instance.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
>
> diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
> index 7e2d78a..7f86bfa 100644
> --- a/src/mesa/main/extensions.c
> +++ b/src/mesa/main/extensions.c
> @@ -104,6 +104,7 @@ static const struct extension extension_table[] = {
>      { "GL_ARB_half_float_vertex",                   o(ARB_half_float_vertex),                   GL,             2008 },
>      { "GL_ARB_instanced_arrays",                    o(ARB_instanced_arrays),                    GL,             2008 },
>      { "GL_ARB_invalidate_subdata",                  o(dummy_true),                              GL,             2012 },
> +   { "GL_ARB_map_buffer_alignment",                o(ARB_map_buffer_alignment),                GL,             2011 },
>      { "GL_ARB_map_buffer_range",                    o(ARB_map_buffer_range),                    GL,             2008 },
>      { "GL_ARB_multisample",                         o(dummy_true),                              GLL,            1994 },
>      { "GL_ARB_multitexture",                        o(dummy_true),                              GLL,            1998 },
> diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
> index eff850c..19ce431 100644
> --- a/src/mesa/main/get.c
> +++ b/src/mesa/main/get.c
> @@ -334,6 +334,7 @@ EXTRA_EXT(OES_EGL_image_external);
>   EXTRA_EXT(ARB_blend_func_extended);
>   EXTRA_EXT(ARB_uniform_buffer_object);
>   EXTRA_EXT(ARB_timer_query);
> +EXTRA_EXT(ARB_map_buffer_alignment);
>
>   static const int
>   extra_NV_primitive_restart[] = {
> diff --git a/src/mesa/main/get_hash_params.py b/src/mesa/main/get_hash_params.py
> index b516a07..376df09 100644
> --- a/src/mesa/main/get_hash_params.py
> +++ b/src/mesa/main/get_hash_params.py
> @@ -685,6 +685,9 @@ descriptor=[
>
>   # GL_ARB_timer_query
>     [ "TIMESTAMP", "LOC_CUSTOM, TYPE_INT64, 0, extra_ARB_timer_query" ],
> +
> +# GL_ARB_map_buffer_alignment
> +  [ "MIN_MAP_BUFFER_ALIGNMENT", "CONTEXT_INT(Const.MinMapBufferAlignment), extra_ARB_map_buffer_alignment" ],
>   ]}
>
>   ]
> diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
> index a75aaf8..45b8f4f 100644
> --- a/src/mesa/main/mtypes.h
> +++ b/src/mesa/main/mtypes.h
> @@ -2919,6 +2919,9 @@ struct gl_constants
>       * Force software support for primitive restart in the VBO module.
>       */
>      GLboolean PrimitiveRestartInSoftware;
> +
> +   /** GL_ARB_map_buffer_alignment */
> +   GLuint MinMapBufferAlignment;
>   };
>
>
> @@ -2952,6 +2955,7 @@ struct gl_extensions
>      GLboolean ARB_half_float_pixel;
>      GLboolean ARB_half_float_vertex;
>      GLboolean ARB_instanced_arrays;
> +   GLboolean ARB_map_buffer_alignment;
>      GLboolean ARB_map_buffer_range;
>      GLboolean ARB_occlusion_query;
>      GLboolean ARB_occlusion_query2;

Reviewed-by: Brian Paul <brianp at vmware.com>