[Piglit] [PATCH] arb_shader_storage_buffer_object: add member-memory-qualifiers.frag

Samuel Pitoiset samuel.pitoiset at gmail.com
Mon May 1 10:07:57 UTC 2017



On 04/29/2017 07:35 PM, Nicolai Hähnle wrote:
> On 29.04.2017 16:23, Samuel Pitoiset wrote:
>> There is actually no positive test which validates the memory
>> qualifiers with members of shader storage blocks.
> 
> Nice one. Should using readonly/writeonly variables incorrectly be a 
> compile-time error?

Yes. We already have tests for that, look at 
member-memory-qualifier-readonly.frag or 
member-memory-qualifier-writeonly.frag.

> 
> Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>
> 
> 
>>
>> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
>> ---
>>  .../compiler/member-memory-qualifiers.frag         | 22 
>> ++++++++++++++++++++++
>>  1 file changed, 22 insertions(+)
>>  create mode 100644 
>> tests/spec/arb_shader_storage_buffer_object/compiler/member-memory-qualifiers.frag 
>>
>>
>> diff --git 
>> a/tests/spec/arb_shader_storage_buffer_object/compiler/member-memory-qualifiers.frag 
>> b/tests/spec/arb_shader_storage_buffer_object/compiler/member-memory-qualifiers.frag 
>>
>> new file mode 100644
>> index 000000000..028527b56
>> --- /dev/null
>> +++ 
>> b/tests/spec/arb_shader_storage_buffer_object/compiler/member-memory-qualifiers.frag 
>>
>> @@ -0,0 +1,22 @@
>> +// [config]
>> +// expect_result: pass
>> +// glsl_version: 1.20
>> +// require_extensions: GL_ARB_shader_storage_buffer_object
>> +// [end config]
>> +
>> +#version 120
>> +#extension GL_ARB_shader_storage_buffer_object: require
>> +
>> +// From Section 4.10 (Memory Qualifiers) of the GLSL 4.50 spec:
>> +//
>> +// "The memory qualifiers coherent, volatile, restrict, readonly, and
>> +//  writeonly may be used in the declaration of buffer variables
>> +//  (i.e., members of shader storage blocks)"
>> +
>> +buffer ssbo {
>> +    readonly int a;
>> +    writeonly int b;
>> +    coherent int c;
>> +    volatile int d;
>> +    restrict int e;
>> +};
>>
> 
> 


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