[Piglit] [PATCH] tests/spec/glsl-1.30: add tests for integer sign() function

[Brian Paul]

Yeah, I missed those.  Thanks.

-Brian

On 05/23/2014 11:23 AM, Ilia Mirkin wrote:
> What's wrong with
>
> generated_tests/spec/glsl-1.30/execution/built-in-functions/fs-sign-ivec4.shader_test
>
> [fragment shader]
> uniform ivec4 arg0;
> uniform ivec4 expected;
>
> void main()
> {
>    ivec4 result = sign(arg0);
>    gl_FragColor = result == expected ? vec4(0.0, 1.0, 0.0, 1.0) :
> vec4(1.0, 0.0, 0.0, 1.0);
> }
>
>
> On Fri, May 23, 2014 at 1:18 PM, Brian Paul <brianp at vmware.com> wrote:
>> ---
>>   .../glsl-1.30/execution/fs-sign-int4.shader_test   |   24 +++++++++++++++++
>>   .../glsl-1.30/execution/vs-sign-int4.shader_test   |   27 ++++++++++++++++++++
>>   2 files changed, 51 insertions(+)
>>   create mode 100644 tests/spec/glsl-1.30/execution/fs-sign-int4.shader_test
>>   create mode 100644 tests/spec/glsl-1.30/execution/vs-sign-int4.shader_test
>>
>> diff --git a/tests/spec/glsl-1.30/execution/fs-sign-int4.shader_test b/tests/spec/glsl-1.30/execution/fs-sign-int4.shader_test
>> new file mode 100644
>> index 0000000..423d098
>> --- /dev/null
>> +++ b/tests/spec/glsl-1.30/execution/fs-sign-int4.shader_test
>> @@ -0,0 +1,24 @@
>> +[require]
>> +GLSL >= 1.30
>> +
>> +[vertex shader]
>> +#version 130
>> +void main()
>> +{
>> +       gl_Position = gl_Vertex;
>> +}
>> +
>> +[fragment shader]
>> +#version 130
>> +uniform ivec4 arg0;
>> +void main()
>> +{
>> +       ivec4 r = sign(arg0);
>> +       // convert -1, 0, 1 to 0.0, 0.5, 1.0
>> +       gl_FragColor = vec4(r) * 0.5 + 0.5;
>> +}
>> +
>> +[test]
>> +uniform ivec4 arg0 -5 5 0 3
>> +draw rect -1 -1 2 2
>> +probe rgb 1 1  0 1 0.5 0
>> diff --git a/tests/spec/glsl-1.30/execution/vs-sign-int4.shader_test b/tests/spec/glsl-1.30/execution/vs-sign-int4.shader_test
>> new file mode 100644
>> index 0000000..4fe7702
>> --- /dev/null
>> +++ b/tests/spec/glsl-1.30/execution/vs-sign-int4.shader_test
>> @@ -0,0 +1,27 @@
>> +[require]
>> +GLSL >= 1.30
>> +
>> +[vertex shader]
>> +#version 130
>> +uniform ivec4 arg0;
>> +out vec4 color;
>> +void main()
>> +{
>> +       ivec4 r = sign(arg0);
>> +       // convert -1, 0, 1 to 0.0, 0.5, 1.0
>> +       color = vec4(r) * 0.5 + 0.5;
>> +       gl_Position = gl_Vertex;
>> +}
>> +
>> +[fragment shader]
>> +#version 130
>> +in vec4 color;
>> +void main()
>> +{
>> +       gl_FragColor = color;
>> +}
>> +
>> +[test]
>> +uniform ivec4 arg0 0 55 -13 2
>> +draw rect -1 -1 2 2
>> +probe rgb 1 1  0.5 1.0 0.0 1.0
>> --
>> 1.7.10.4
>>
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