Tim's correct -- in this case you probably want to move the
PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT case up above the big 'this cap is
unsupported' catch-all.

-- Chris

On Mon, Nov 25, 2013 at 7:07 PM, Timothy Arceri <t_arc...@yahoo.com.au> wrote:
> I've only had a very quick scan over your patches but I think you need
> to redo your patches that edit case statements as you are not just
> changing the value of the intended case statement but also all of the
> cases above it as they do not break or return they just fall through for
> example:
>
> --- a/src/gallium/drivers/llvmpipe/lp_screen.c
> +++ b/src/gallium/drivers/llvmpipe/lp_screen.c
> @@ -220,6 +220,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum
> pipe_cap param)
>     case PIPE_CAP_START_INSTANCE:
>     case PIPE_CAP_TEXTURE_MULTISAMPLE:
>     case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
> +      return 64;
>     case PIPE_CAP_CUBE_MAP_ARRAY:
>        return 0;
>
> Here you are changing the value of PIPE_CAP_START_INSTANCE,
> PIPE_CAP_TEXTURE_MULTISAMPLE, PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT and
> possibly other cases above those from 0 to 64.
>
> On Mon, 2013-11-25 at 09:06 +0330, Siavash Eliasi wrote:
>> Hello, this is a series of patches to accomplish *Enable 
>> ARB_map_buffer_alignment in all drivers* newbie project suggested by Ian 
>> Romanick.
>>
>> *Note* that I don't have write access, please merge them upstream after 
>> review process.
>>
>>
>> Best Regards,
>> Siavash Eliasi.
>>
>> Siavash Eliasi (17):
>>   Modified allocation routine to use alignment of 64 instead of 16.
>>   Modified softpipe to return 64 in case of
>>     PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT.
>>   Modified allocation routines to use alignment of 64 instead of 16.
>>   Modified llvmpipe to return 64 in case of
>>     PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT.
>>   Modified i915_buffer_create to use memory allocation alignment of 64
>>       instead of 16.
>>   Modified i915g to return 64 in case of
>>     PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT.
>>   Modified svga to return 64 in case of
>>     PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT.
>>   Modified ilo to return 4096 in case of
>>     PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT.
>>   Modified Mesa state tracker to unconditionally enable
>>     ARB_map_buffer_alignment.
>>   Modified _mesa_init_constants to set ctx->Const.MinMapBufferAlignment
>>     to 64.
>>   Modified _mesa_buffer_data to use _mesa_align_malloc.
>>   Modified radeonBufferData to pass ctx->Const.MinMapBufferAlignment as
>>     the alignment value to radeon_bo_open.
>>   Modified nouveau_bufferobj_data to pass
>>     ctx->Const.MinMapBufferAlignment as the alignment value to
>>     nouveau_bo_new.
>>   Modified i915 intel_bufferobj_data to use _mesa_align_malloc instead
>>     of malloc.
>>   Modified brw_initialize_context_constants to set
>>     ctx->Const.MinMapBufferAlignment to 4096.
>>   Modified extensions table to use o(dummy_true) instead of
>>     o(ARB_map_buffer_alignment).
>>   Deleted gl_extensions::ARB_map_buffer_alignment and all of its use
>>     cases.
>>
>>  src/gallium/drivers/i915/i915_resource_buffer.c     | 2 +-
>>  src/gallium/drivers/i915/i915_screen.c              | 1 +
>>  src/gallium/drivers/ilo/ilo_screen.c                | 2 +-
>>  src/gallium/drivers/llvmpipe/lp_screen.c            | 1 +
>>  src/gallium/drivers/llvmpipe/lp_texture.c           | 4 ++--
>>  src/gallium/drivers/softpipe/sp_screen.c            | 2 +-
>>  src/gallium/drivers/softpipe/sp_texture.c           | 2 +-
>>  src/gallium/drivers/svga/svga_screen.c              | 1 +
>>  src/mesa/drivers/dri/i915/intel_buffer_objects.c    | 4 ++--
>>  src/mesa/drivers/dri/i965/brw_context.c             | 2 ++
>>  src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c    | 3 ++-
>>  src/mesa/drivers/dri/radeon/radeon_buffer_objects.c | 2 +-
>>  src/mesa/main/bufferobj.c                           | 4 ++--
>>  src/mesa/main/context.c                             | 1 +
>>  src/mesa/main/extensions.c                          | 2 +-
>>  src/mesa/main/get.c                                 | 1 -
>>  src/mesa/main/get_hash_params.py                    | 2 +-
>>  src/mesa/main/mtypes.h                              | 1 -
>>  src/mesa/state_tracker/st_extensions.c              | 4 +---
>>  19 files changed, 22 insertions(+), 19 deletions(-)
>>
>
>
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