[Piglit] [PATCH] gl-3.0: add a test to stress the bound resource limits

[Brian Paul]

On 07/08/2014 11:01 AM, Matthew McClure wrote:
> I ran this on Ubuntu 12.04.3 with:
>
> OpenGL vendor string: NVIDIA Corporation
> OpenGL renderer string: GeForce GTX 650/PCIe/SSE2
> OpenGL version string: 4.2.0 NVIDIA 304.116
> OpenGL shading language version string: 4.20 NVIDIA via Cg compiler
> OpenGL extensions:
>
> .../Devel/fdo.piglit$ bin/gl-3.0-bound-resource-limits -auto
> GL_MAX_VARYING_FLOATS: 124
> GL_MAX_VERTEX_ATTRIBS: 16
> GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS: 32
> GL_MAX_TEXTURE_IMAGE_UNITS: 32
> GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS: 160
> GL_AUX_BUFFERS: 4
> GL_MAX_DRAW_BUFFERS: 8
> GL_MAX_COLOR_ATTACHMENTS: 8
> g_expected[0]=(23921766400.000000, 86156951552.000000, 480410238976.000000, 1425854431232.000000)
> g_expected[1]=(6227219709952.000000, 11347125338112.000000, 27230952488960.000000, 41933363740672.000000)
> g_expected[2]=(81694296113152.000000, 171963293106176.000000, 241784881938432.000000, 428522141122560.000000)
> g_expected[3]=(623247401943040.000000, 751236219404288.000000, 1125101110034432.000000, 1856184336252928.000000)
> g_expected[4]=(2735942485934080.000000, 3101938392498176.000000, 4440612589797376.000000, 5674358320136192.000000)
> g_expected[5]=(6377906712346624.000000, 8903007106236416.000000, 11072865923235840.000000, 14685310302552064.000000)
> g_expected[6]=(20124361323184128.000000, 23577553683873792.000000, 26507988395098112.000000, 31646100720975872.000000)
> g_expected[7]=(178482200576.000000, 207579496448.000000, 313797935104.000000, 351675613184.000000)
> PIGLIT: {"result": "pass" }
>
> Below are my replies:
>
>>> +static char *
>>> +get_packed_decl(PackedDesc *desc,
>>> +                char *str,
>>> +                unsigned strSize,
>>> +                char *tmpStr,
>>> +                unsigned tmpStrSize)
>>
>> Here and elsewhere, can you const-qualify any pointer args to help
>> understand which are inputs vs. outputs?
>>
>
> Sounds good. I'll make the changes.
>
>>> +setup_vertex_element_buffers()
>>
>> I think MSVC warns on () so we use (void) usually.
>
> Thanks, I'll go ahead and add that.
>
>> The code generally looks good, but is a bit dense.  It would take me a
>> while to understand the intricacies.
>>
>> In any case, when I tested it with my nvidia driver I got a failure:
>>
>> $ bin/gl-3.0-bound-resource-limits -auto
>> GL_MAX_VARYING_FLOATS: 124
>> GL_MAX_VERTEX_ATTRIBS: 16
>> GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS: 32
>> GL_MAX_TEXTURE_IMAGE_UNITS: 32
>> GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS: 192
>> GL_AUX_BUFFERS: 4
>> GL_MAX_DRAW_BUFFERS: 8
>> GL_MAX_COLOR_ATTACHMENTS: 8
>> Failed to link: Fragment info
>> -------------
>> 0(8) : warning C7533: global variable gl_FragData is deprecated after
>> version 120
>> 0(2) : error C5041: cannot locate suitable resource to bind variable
>> "Variable". Possibly large array.
>>
>> PIGLIT: {"result": "fail" }
>
> What was your NVIDIA driver version?

325.15

-Brian