[Mesa-dev] [PATCH 3/3] llvmpipe: enable ARB_texture_gather

[Roland Scheidegger]

Right. I actually thought I already pushed this but turns out I didn't...

Roland

Am 30.03.2015 um 17:46 schrieb Ilia Mirkin:
> Perhaps mention that llvmpipe now supports ARB_texture_gather in
> GL3.txt and relnotes/10.6.0.html?
> 
> On Sun, Mar 29, 2015 at 8:12 PM,  <sroland at vmware.com> wrote:
>> From: Roland Scheidegger <sroland at vmware.com>
>>
>> Just announce support for 4 components.
>> While here also increase the max/min texel offsets (the limit is completely
>> artificial, was chosen because that's what other hardware did, however there's
>> other drivers using larger limits).
>> Over a thousand little piglits skip->pass.
>> ---
>>  src/gallium/drivers/llvmpipe/lp_screen.c | 5 +++--
>>  1 file changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
>> index 4b45725..f4ba596 100644
>> --- a/src/gallium/drivers/llvmpipe/lp_screen.c
>> +++ b/src/gallium/drivers/llvmpipe/lp_screen.c
>> @@ -180,10 +180,10 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
>>     /* this is a lie could support arbitrary large offsets */
>>     case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
>>     case PIPE_CAP_MIN_TEXEL_OFFSET:
>> -      return -8;
>> +      return -32;
>>     case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
>>     case PIPE_CAP_MAX_TEXEL_OFFSET:
>> -      return 7;
>> +      return 31;
>>     case PIPE_CAP_CONDITIONAL_RENDER:
>>        return 1;
>>     case PIPE_CAP_TEXTURE_BARRIER:
>> @@ -249,6 +249,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
>>     case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
>>        return 1;
>>     case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
>> +      return 4;
>>     case PIPE_CAP_TEXTURE_GATHER_SM5:
>>     case PIPE_CAP_TEXTURE_QUERY_LOD:
>>     case PIPE_CAP_SAMPLE_SHADING:
>> --
>> 1.9.1
>>
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