[Piglit] [PATCH] arb_gpu_shader5: add compiler tests for interpolateAt*
Anuj Phogat
anuj.phogat at gmail.com
Mon Nov 11 17:31:56 PST 2013
On Sun, Nov 10, 2013 at 1:09 AM, Chris Forbes <chrisf at ijw.co.nz> wrote:
>
> ---
> .../fs-interpolateAtCentroid-array.frag | 25 ++++++++++++++++++
> .../fs-interpolateAtCentroid-bad-swizzle.frag | 27 +++++++++++++++++++
> .../fs-interpolateAtCentroid-centroid.frag | 30 ++++++++++++++++++++++
> .../fs-interpolateAtCentroid-flat.frag | 30 ++++++++++++++++++++++
> .../fs-interpolateAtCentroid-no-output.frag | 21 +++++++++++++++
> .../fs-interpolateAtCentroid-no-temp.frag | 22 ++++++++++++++++
> .../fs-interpolateAtCentroid-no-uniform.frag | 20 +++++++++++++++
> .../fs-interpolateAtCentroid-noperspective.frag | 30 ++++++++++++++++++++++
> .../interpolation/fs-interpolateAtCentroid.frag | 25 ++++++++++++++++++
> .../fs-interpolateAtOffset-nonconst.frag | 27 +++++++++++++++++++
> .../interpolation/fs-interpolateAtOffset.frag | 28 ++++++++++++++++++++
> .../interpolation/fs-interpolateAtSample.frag | 25 ++++++++++++++++++
> 12 files changed, 310 insertions(+)
> create mode 100644 tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-array.frag
> create mode 100644 tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-bad-swizzle.frag
> create mode 100644 tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-centroid.frag
> create mode 100644 tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-flat.frag
> create mode 100644 tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-no-output.frag
> create mode 100644 tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-no-temp.frag
> create mode 100644 tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-no-uniform.frag
> create mode 100644 tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-noperspective.frag
> create mode 100644 tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid.frag
> create mode 100644 tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtOffset-nonconst.frag
> create mode 100644 tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtOffset.frag
> create mode 100644 tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtSample.frag
>
> diff --git a/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-array.frag b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-array.frag
> new file mode 100644
> index 0000000..274db83
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-array.frag
> @@ -0,0 +1,25 @@
> +// [config]
> +// expect_result: pass
> +// glsl_version: 1.50
> +// require_extensions: GL_ARB_gpu_shader5
> +// [end config]
> +
> +#version 150
> +#extension GL_ARB_gpu_shader5: require
> +
> +in float v1[2];
> +in vec2 v2[2];
> +in vec3 v3[2];
> +in vec4 v4[2];
> +
> +void main()
> +{
> + vec4 res = vec4(0);
> +
> + res += vec4(interpolateAtCentroid(v1[1]), 1, 1, 1);
> + res += vec4(interpolateAtCentroid(v2[1]), 1, 1);
> + res += vec4(interpolateAtCentroid(v3[1]), 1);
> + res += interpolateAtCentroid(v4[1]);
> +
> + gl_FragColor = res;
> +}
> diff --git a/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-bad-swizzle.frag b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-bad-swizzle.frag
> new file mode 100644
> index 0000000..b815f13
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-bad-swizzle.frag
> @@ -0,0 +1,27 @@
> +// [config]
> +// expect_result: fail
> +// glsl_version: 1.50
> +// require_extensions: GL_ARB_gpu_shader5
> +// [end config]
> +
> +// The ARB_gpu_shader5 spec says:
> +// "Component selection operators (e.g., ".xy") may not be used when
> +// specifying <interpolant>."
> +
> +#version 150
> +#extension GL_ARB_gpu_shader5: require
> +
> +in vec2 v2;
> +in vec3 v3;
> +in vec4 v4;
> +
> +void main()
> +{
> + vec4 res = vec4(0);
> +
> + res += vec4(interpolateAtCentroid(v2.xy), 1, 1);
> + res += vec4(interpolateAtCentroid(v3.xyz), 1);
> + res += interpolateAtCentroid(v4.xyzw);
> +
> + gl_FragColor = res;
> +}
> diff --git a/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-centroid.frag b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-centroid.frag
> new file mode 100644
> index 0000000..738c566
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-centroid.frag
> @@ -0,0 +1,30 @@
> +// [config]
> +// expect_result: pass
> +// glsl_version: 1.50
> +// require_extensions: GL_ARB_gpu_shader5
> +// [end config]
> +
> +// From the ARB_gpu_shader5 spec:
> +// "If <interpolant> is declared with a "flat" or
> +// "centroid" qualifier, the qualifier will have no effect on the
> +// interpolated value."
> +
> +#version 150
> +#extension GL_ARB_gpu_shader5: require
> +
> +centroid in float v1;
> +centroid in vec2 v2;
> +centroid in vec3 v3;
> +centroid in vec4 v4;
> +
> +void main()
> +{
> + vec4 res = vec4(0);
> +
> + res += vec4(interpolateAtCentroid(v1), 1, 1, 1);
> + res += vec4(interpolateAtCentroid(v2), 1, 1);
> + res += vec4(interpolateAtCentroid(v3), 1);
> + res += interpolateAtCentroid(v4);
> +
> + gl_FragColor = res;
> +}
> diff --git a/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-flat.frag b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-flat.frag
> new file mode 100644
> index 0000000..8bce2d6
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-flat.frag
> @@ -0,0 +1,30 @@
> +// [config]
> +// expect_result: pass
> +// glsl_version: 1.50
> +// require_extensions: GL_ARB_gpu_shader5
> +// [end config]
> +
> +// From the ARB_gpu_shader5 spec:
> +// "If <interpolant> is declared with a "flat" or
> +// "centroid" qualifier, the qualifier will have no effect on the
> +// interpolated value."
> +
> +#version 150
> +#extension GL_ARB_gpu_shader5: require
> +
> +flat in float v1;
> +flat in vec2 v2;
> +flat in vec3 v3;
> +flat in vec4 v4;
> +
> +void main()
> +{
> + vec4 res = vec4(0);
> +
> + res += vec4(interpolateAtCentroid(v1), 1, 1, 1);
> + res += vec4(interpolateAtCentroid(v2), 1, 1);
> + res += vec4(interpolateAtCentroid(v3), 1);
> + res += interpolateAtCentroid(v4);
> +
> + gl_FragColor = res;
> +}
> diff --git a/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-no-output.frag b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-no-output.frag
> new file mode 100644
> index 0000000..3f9b60e
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-no-output.frag
> @@ -0,0 +1,21 @@
> +// [config]
> +// expect_result: fail
> +// glsl_version: 1.50
> +// require_extensions: GL_ARB_gpu_shader5
> +// [end config]
> +
> +#version 150
> +#extension GL_ARB_gpu_shader5: require
> +
> +out vec4 v4;
> +
> +void main()
> +{
> + vec4 res = vec4(0);
> +
> + // <interpolant> must be a shader input.
> +
> + res += interpolateAtCentroid(v4);
> +
> + gl_FragColor = res;
> +}
> diff --git a/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-no-temp.frag b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-no-temp.frag
> new file mode 100644
> index 0000000..ef82be2
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-no-temp.frag
> @@ -0,0 +1,22 @@
> +// [config]
> +// expect_result: fail
> +// glsl_version: 1.50
> +// require_extensions: GL_ARB_gpu_shader5
> +// [end config]
> +
> +#version 150
> +#extension GL_ARB_gpu_shader5: require
> +
> +in vec4 v4;
> +
> +void main()
> +{
> + vec4 res = vec4(0);
> +
> + // <interpolant> must be a shader input.
> + vec4 t4 = v4;
> +
> + res += interpolateAtCentroid(t4);
> +
> + gl_FragColor = res;
> +}
> diff --git a/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-no-uniform.frag b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-no-uniform.frag
> new file mode 100644
> index 0000000..1d49dc3
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-no-uniform.frag
> @@ -0,0 +1,20 @@
> +// [config]
> +// expect_result: fail
> +// glsl_version: 1.50
> +// require_extensions: GL_ARB_gpu_shader5
> +// [end config]
> +
> +#version 150
> +#extension GL_ARB_gpu_shader5: require
> +
> +uniform vec4 v4;
> +
> +void main()
> +{
> + vec4 res = vec4(0);
> +
> + // <interpolant> must be a shader input.
> + res += interpolateAtCentroid(v4);
> +
> + gl_FragColor = res;
> +}
> diff --git a/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-noperspective.frag b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-noperspective.frag
> new file mode 100644
> index 0000000..40a9111
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid-noperspective.frag
> @@ -0,0 +1,30 @@
> +// [config]
> +// expect_result: pass
> +// glsl_version: 1.50
> +// require_extensions: GL_ARB_gpu_shader5
> +// [end config]
> +
> +// From the ARB_gpu_shader5 spec:
> +// If <interpolant> is declared with the "noperspective"
> +// qualifier, the interpolated value will be computed without perspective
> +// correction.
> +
> +#version 150
> +#extension GL_ARB_gpu_shader5: require
> +
> +noperspective in float v1;
> +noperspective in vec2 v2;
> +noperspective in vec3 v3;
> +noperspective in vec4 v4;
> +
> +void main()
> +{
> + vec4 res = vec4(0);
> +
> + res += vec4(interpolateAtCentroid(v1), 1, 1, 1);
> + res += vec4(interpolateAtCentroid(v2), 1, 1);
> + res += vec4(interpolateAtCentroid(v3), 1);
> + res += interpolateAtCentroid(v4);
> +
> + gl_FragColor = res;
> +}
> diff --git a/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid.frag b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid.frag
> new file mode 100644
> index 0000000..5c67246
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtCentroid.frag
> @@ -0,0 +1,25 @@
> +// [config]
> +// expect_result: pass
> +// glsl_version: 1.50
> +// require_extensions: GL_ARB_gpu_shader5
> +// [end config]
> +
> +#version 150
> +#extension GL_ARB_gpu_shader5: require
> +
> +in float v1;
> +in vec2 v2;
> +in vec3 v3;
> +in vec4 v4;
> +
> +void main()
> +{
> + vec4 res = vec4(0);
> +
> + res += vec4(interpolateAtCentroid(v1), 1, 1, 1);
> + res += vec4(interpolateAtCentroid(v2), 1, 1);
> + res += vec4(interpolateAtCentroid(v3), 1);
> + res += interpolateAtCentroid(v4);
> +
> + gl_FragColor = res;
> +}
> diff --git a/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtOffset-nonconst.frag b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtOffset-nonconst.frag
> new file mode 100644
> index 0000000..3b7ba9d
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtOffset-nonconst.frag
> @@ -0,0 +1,27 @@
> +// [config]
> +// expect_result: pass
> +// glsl_version: 1.50
> +// require_extensions: GL_ARB_gpu_shader5
> +// [end config]
> +
> +#version 150
> +#extension GL_ARB_gpu_shader5: require
> +
> +in float v1;
> +in vec2 v2;
> +in vec3 v3;
> +in vec4 v4;
> +
> +in vec2 offset; // ARB_gpu_shader5 spec says nothing about the offset having to be constant.
> +
> +void main()
> +{
> + vec4 res = vec4(0);
> +
> + res += vec4(interpolateAtOffset(v1, offset), 1, 1, 1);
> + res += vec4(interpolateAtOffset(v2, offset), 1, 1);
> + res += vec4(interpolateAtOffset(v3, offset), 1);
> + res += interpolateAtOffset(v4, offset);
> +
> + gl_FragColor = res;
> +}
> diff --git a/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtOffset.frag b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtOffset.frag
> new file mode 100644
> index 0000000..99ab8d9
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtOffset.frag
> @@ -0,0 +1,28 @@
> +// [config]
> +// expect_result: pass
> +// glsl_version: 1.50
> +// require_extensions: GL_ARB_gpu_shader5
> +// [end config]
> +
> +#version 150
> +#extension GL_ARB_gpu_shader5: require
> +
> +in float v1;
> +in vec2 v2;
> +in vec3 v3;
> +in vec4 v4;
> +
> +// ARB_gpu_shader5 requires at least -0.5 .. 0.5 to be supported.
> +const vec2 offset = vec2(-0.5, 0.5);
> +
> +void main()
> +{
> + vec4 res = vec4(0);
> +
> + res += vec4(interpolateAtOffset(v1, offset), 1, 1, 1);
> + res += vec4(interpolateAtOffset(v2, offset), 1, 1);
> + res += vec4(interpolateAtOffset(v3, offset), 1);
> + res += interpolateAtOffset(v4, offset);
> +
> + gl_FragColor = res;
> +}
> diff --git a/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtSample.frag b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtSample.frag
> new file mode 100644
> index 0000000..825b961
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/compiler/interpolation/fs-interpolateAtSample.frag
> @@ -0,0 +1,25 @@
> +// [config]
> +// expect_result: pass
> +// glsl_version: 1.50
> +// require_extensions: GL_ARB_gpu_shader5
> +// [end config]
> +
> +#version 150
> +#extension GL_ARB_gpu_shader5: require
> +
> +in float v1;
> +in vec2 v2;
> +in vec3 v3;
> +in vec4 v4;
> +
> +void main()
> +{
> + vec4 res = vec4(0);
> +
> + res += vec4(interpolateAtSample(v1, 0), 1, 1, 1);
> + res += vec4(interpolateAtSample(v2, 1), 1, 1);
> + res += vec4(interpolateAtSample(v3, 2), 1);
> + res += interpolateAtSample(v4, 3);
> +
> + gl_FragColor = res;
> +}
> --
> 1.8.4.2
>
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Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>
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