[Piglit] [PATCH 1/3] arb_vertex_attrib_64bit: add simple vertex input fp64 test

[Dave Airlie]

On 24 February 2015 at 11:30, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> On Mon, Feb 23, 2015 at 8:26 PM, Dave Airlie <airlied at gmail.com> wrote:
>> From: Dave Airlie <airlied at redhat.com>
>>
>> This is just a simple 64-bit vertex attrib test.
>>
>> Signed-off-by: Dave Airlie <airlied at redhat.com>
>> ---
>>  .../execution/vs-fp64-input-trunc.shader_test      | 42 ++++++++++++++++++++++
>>  1 file changed, 42 insertions(+)
>>  create mode 100644 tests/spec/arb_vertex_attrib_64bit/execution/vs-fp64-input-trunc.shader_test
>>
>> diff --git a/tests/spec/arb_vertex_attrib_64bit/execution/vs-fp64-input-trunc.shader_test b/tests/spec/arb_vertex_attrib_64bit/execution/vs-fp64-input-trunc.shader_test
>> new file mode 100644
>> index 0000000..9fb3e4f
>> --- /dev/null
>> +++ b/tests/spec/arb_vertex_attrib_64bit/execution/vs-fp64-input-trunc.shader_test
>> @@ -0,0 +1,42 @@
>> +# test truncating a double holds precision
>> +[require]
>> +GLSL >= 1.50
>> +GL_ARB_gpu_shader_fp64
>> +GL_ARB_vertex_attrib_64bit
>> +
>> +[vertex shader]
>> +#version 150
>> +#extension GL_ARB_gpu_shader_fp64 : require
>> +#extension GL_ARB_vertex_attrib_64bit : require
>> +in dvec4 vertex;
>> +void main()
>> +{
>> +        gl_Position = vec4(vertex);
>> +}
>> +
>> +[fragment shader]
>> +#version 150
>> +#extension GL_ARB_gpu_shader_fp64 : require
>> +uniform double arg0;
>> +uniform double tolerance;
>> +uniform double expected;
>> +
>> +void main()
>> +{
>> +  double result = trunc(arg0);
>> +  gl_FragColor = distance(result, expected) <= tolerance ? vec4(0.0, 1.0, 0.0, 1.0) : vec4(1.0, 0.0, 0.0, 1.0);
>
> I think you meant
>
> gl_FragColor = vec4(0, 1, 0, 1);
>
> and get rid of all the uniform stuff.

Indeed I did.

Dave.