[Piglit] [PATCH 05/10] arb_tessellation_shader: Add various simple cases for TCS input reads
Ilia Mirkin
imirkin at alum.mit.edu
Mon Jul 27 17:27:32 PDT 2015
Reviewed-by: Ilia Mirkin <imirkin at alum.mit.edu>
FTR, you could just set one of the outer levels to 0... according to this text:
"""
A patch is discarded by the tessellation primitive generator if any
relevant outer tessellation level is less than or equal to zero.
"""
But it's a bit asymmetrical to do that, so whatever.
On Mon, Jul 27, 2015 at 8:02 PM, Marek Olšák <maraeo at gmail.com> wrote:
> From: Chris Forbes <chrisf at ijw.co.nz>
>
> v2: fixed by Marek
>
> Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
> Reviewed-by: Marek Olšák <marek.olsak at amd.com>
> ---
> .../tcs-input-read-array-interface.shader_test | 70 +++++++++++++++++++++
> .../execution/tcs-input-read-mat.shader_test | 68 ++++++++++++++++++++
> ...put-read-nonconst-interface-builtin.shader_test | 65 +++++++++++++++++++
> .../tcs-input-read-nonconst-interface.shader_test | 72 ++++++++++++++++++++++
> .../execution/tcs-input-read-nonconst.shader_test | 68 ++++++++++++++++++++
> .../tcs-input-read-simple-interface.shader_test | 68 ++++++++++++++++++++
> .../execution/tcs-input-read-simple.shader_test | 68 ++++++++++++++++++++
> 7 files changed, 479 insertions(+)
> create mode 100644 tests/spec/arb_tessellation_shader/execution/tcs-input-read-array-interface.shader_test
> create mode 100644 tests/spec/arb_tessellation_shader/execution/tcs-input-read-mat.shader_test
> create mode 100644 tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst-interface-builtin.shader_test
> create mode 100644 tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst-interface.shader_test
> create mode 100644 tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst.shader_test
> create mode 100644 tests/spec/arb_tessellation_shader/execution/tcs-input-read-simple-interface.shader_test
> create mode 100644 tests/spec/arb_tessellation_shader/execution/tcs-input-read-simple.shader_test
>
> diff --git a/tests/spec/arb_tessellation_shader/execution/tcs-input-read-array-interface.shader_test b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-array-interface.shader_test
> new file mode 100644
> index 0000000..39c5399
> --- /dev/null
> +++ b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-array-interface.shader_test
> @@ -0,0 +1,70 @@
> +# Test a single per-vertex input read in a TCS.
> +
> +[require]
> +GLSL >= 1.50
> +GL_ARB_tessellation_shader
> +
> +[vertex shader]
> +#version 150
> +
> +out block { vec4 v[2]; };
> +
> +void main()
> +{
> + v[0].x = 24.0;
> + v[1].x = 42.0;
> +}
> +
> +
> +[tessellation control shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +uniform int k;
> +in block { vec4 v[2]; } per_vertex[];
> +layout(vertices = 1) out;
> +
> +void main()
> +{
> + if (per_vertex[0].v[1].x == 42.0) { /* constant index case */
> + gl_TessLevelInner[0] = 1.0;
> + gl_TessLevelInner[1] = 1.0;
> +
> + gl_TessLevelOuter[0] = 1.0;
> + gl_TessLevelOuter[1] = 1.0;
> + gl_TessLevelOuter[2] = 1.0;
> + gl_TessLevelOuter[3] = 1.0;
> + } else {
> + gl_TessLevelInner[0] = 0.0;
> + gl_TessLevelInner[1] = 0.0;
> +
> + gl_TessLevelOuter[0] = 0.0;
> + gl_TessLevelOuter[1] = 0.0;
> + gl_TessLevelOuter[2] = 0.0;
> + gl_TessLevelOuter[3] = 0.0;
> + }
> +}
> +
> +[tessellation evaluation shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +layout(quads, equal_spacing) in;
> +
> +void main()
> +{
> + gl_Position = vec4(gl_TessCoord.xy * 2 - 1, 0, 1);
> +}
> +
> +[fragment shader]
> +#version 150
> +
> +void main()
> +{
> + gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
> +}
> +
> +[test]
> +patch parameter vertices 1
> +draw arrays GL_PATCHES 0 1
> +probe all rgba 0.0 1.0 0.0 1.0
> diff --git a/tests/spec/arb_tessellation_shader/execution/tcs-input-read-mat.shader_test b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-mat.shader_test
> new file mode 100644
> index 0000000..5e7858c
> --- /dev/null
> +++ b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-mat.shader_test
> @@ -0,0 +1,68 @@
> +# Test a single per-vertex input read in a TCS.
> +
> +[require]
> +GLSL >= 1.50
> +GL_ARB_tessellation_shader
> +
> +[vertex shader]
> +#version 150
> +
> +out mat4 v;
> +
> +void main()
> +{
> + v[2][2] = 42.0;
> +}
> +
> +
> +[tessellation control shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +in mat4 v[];
> +layout(vertices = 1) out;
> +
> +void main()
> +{
> + if (v[0][2][2] == 42.0) { /* constant index case */
> + gl_TessLevelInner[0] = 1.0;
> + gl_TessLevelInner[1] = 1.0;
> +
> + gl_TessLevelOuter[0] = 1.0;
> + gl_TessLevelOuter[1] = 1.0;
> + gl_TessLevelOuter[2] = 1.0;
> + gl_TessLevelOuter[3] = 1.0;
> + } else {
> + gl_TessLevelInner[0] = 0.0;
> + gl_TessLevelInner[1] = 0.0;
> +
> + gl_TessLevelOuter[0] = 0.0;
> + gl_TessLevelOuter[1] = 0.0;
> + gl_TessLevelOuter[2] = 0.0;
> + gl_TessLevelOuter[3] = 0.0;
> + }
> +}
> +
> +[tessellation evaluation shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +layout(quads, equal_spacing) in;
> +
> +void main()
> +{
> + gl_Position = vec4(gl_TessCoord.xy * 2 - 1, 0, 1);
> +}
> +
> +[fragment shader]
> +#version 150
> +
> +void main()
> +{
> + gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
> +}
> +
> +[test]
> +patch parameter vertices 1
> +draw arrays GL_PATCHES 0 1
> +probe all rgba 0.0 1.0 0.0 1.0
> diff --git a/tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst-interface-builtin.shader_test b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst-interface-builtin.shader_test
> new file mode 100644
> index 0000000..569b372
> --- /dev/null
> +++ b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst-interface-builtin.shader_test
> @@ -0,0 +1,65 @@
> +# Test a single per-vertex input read in a TCS.
> +
> +[require]
> +GLSL >= 1.50
> +GL_ARB_tessellation_shader
> +
> +[vertex shader]
> +#version 150
> +
> +void main()
> +{
> + gl_Position = vec4(42.0);
> +}
> +
> +
> +[tessellation control shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +layout(vertices = 1) out;
> +
> +void main()
> +{
> + if (gl_in[gl_InvocationID].gl_Position.x == 42.0) {
> + gl_TessLevelInner[0] = 1.0;
> + gl_TessLevelInner[1] = 1.0;
> +
> + gl_TessLevelOuter[0] = 1.0;
> + gl_TessLevelOuter[1] = 1.0;
> + gl_TessLevelOuter[2] = 1.0;
> + gl_TessLevelOuter[3] = 1.0;
> + } else {
> + gl_TessLevelInner[0] = 0.0;
> + gl_TessLevelInner[1] = 0.0;
> +
> + gl_TessLevelOuter[0] = 0.0;
> + gl_TessLevelOuter[1] = 0.0;
> + gl_TessLevelOuter[2] = 0.0;
> + gl_TessLevelOuter[3] = 0.0;
> + }
> +}
> +
> +[tessellation evaluation shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +layout(quads, equal_spacing) in;
> +
> +void main()
> +{
> + gl_Position = vec4(gl_TessCoord.xy * 2 - 1, 0, 1);
> +}
> +
> +[fragment shader]
> +#version 150
> +
> +void main()
> +{
> + gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
> +}
> +
> +[test]
> +patch parameter vertices 1
> +draw arrays GL_PATCHES 0 1
> +probe all rgba 0.0 1.0 0.0 1.0
> diff --git a/tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst-interface.shader_test b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst-interface.shader_test
> new file mode 100644
> index 0000000..c83e6fb
> --- /dev/null
> +++ b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst-interface.shader_test
> @@ -0,0 +1,72 @@
> +# Test a single per-vertex input read in a TCS.
> +
> +[require]
> +GLSL >= 1.50
> +GL_ARB_tessellation_shader
> +
> +[vertex shader]
> +#version 150
> +
> +out block {
> + float v;
> +};
> +
> +void main()
> +{
> + v = 42.0;
> +}
> +
> +
> +[tessellation control shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +in block {
> + float v;
> +} verts[2];
> +layout(vertices = 1) out;
> +
> +void main()
> +{
> + if (verts[gl_InvocationID].v == 42.0) {
> + gl_TessLevelInner[0] = 1.0;
> + gl_TessLevelInner[1] = 1.0;
> +
> + gl_TessLevelOuter[0] = 1.0;
> + gl_TessLevelOuter[1] = 1.0;
> + gl_TessLevelOuter[2] = 1.0;
> + gl_TessLevelOuter[3] = 1.0;
> + } else {
> + gl_TessLevelInner[0] = 0.0;
> + gl_TessLevelInner[1] = 0.0;
> +
> + gl_TessLevelOuter[0] = 0.0;
> + gl_TessLevelOuter[1] = 0.0;
> + gl_TessLevelOuter[2] = 0.0;
> + gl_TessLevelOuter[3] = 0.0;
> + }
> +}
> +
> +[tessellation evaluation shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +layout(quads, equal_spacing) in;
> +
> +void main()
> +{
> + gl_Position = vec4(gl_TessCoord.xy * 2 - 1, 0, 1);
> +}
> +
> +[fragment shader]
> +#version 150
> +
> +void main()
> +{
> + gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
> +}
> +
> +[test]
> +patch parameter vertices 1
> +draw arrays GL_PATCHES 0 1
> +probe all rgba 0.0 1.0 0.0 1.0
> diff --git a/tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst.shader_test b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst.shader_test
> new file mode 100644
> index 0000000..2e3d1ff
> --- /dev/null
> +++ b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst.shader_test
> @@ -0,0 +1,68 @@
> +# Test a single per-vertex input read in a TCS.
> +
> +[require]
> +GLSL >= 1.50
> +GL_ARB_tessellation_shader
> +
> +[vertex shader]
> +#version 150
> +
> +out float v;
> +
> +void main()
> +{
> + v = 42.0;
> +}
> +
> +
> +[tessellation control shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +in float v[2];
> +layout(vertices = 1) out;
> +
> +void main()
> +{
> + if (v[gl_InvocationID] == 42.0) {
> + gl_TessLevelInner[0] = 1.0;
> + gl_TessLevelInner[1] = 1.0;
> +
> + gl_TessLevelOuter[0] = 1.0;
> + gl_TessLevelOuter[1] = 1.0;
> + gl_TessLevelOuter[2] = 1.0;
> + gl_TessLevelOuter[3] = 1.0;
> + } else {
> + gl_TessLevelInner[0] = 0.0;
> + gl_TessLevelInner[1] = 0.0;
> +
> + gl_TessLevelOuter[0] = 0.0;
> + gl_TessLevelOuter[1] = 0.0;
> + gl_TessLevelOuter[2] = 0.0;
> + gl_TessLevelOuter[3] = 0.0;
> + }
> +}
> +
> +[tessellation evaluation shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +layout(quads, equal_spacing) in;
> +
> +void main()
> +{
> + gl_Position = vec4(gl_TessCoord.xy * 2 - 1, 0, 1);
> +}
> +
> +[fragment shader]
> +#version 150
> +
> +void main()
> +{
> + gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
> +}
> +
> +[test]
> +patch parameter vertices 1
> +draw arrays GL_PATCHES 0 1
> +probe all rgba 0.0 1.0 0.0 1.0
> diff --git a/tests/spec/arb_tessellation_shader/execution/tcs-input-read-simple-interface.shader_test b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-simple-interface.shader_test
> new file mode 100644
> index 0000000..95696e2
> --- /dev/null
> +++ b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-simple-interface.shader_test
> @@ -0,0 +1,68 @@
> +# Test a single per-vertex input read in a TCS.
> +
> +[require]
> +GLSL >= 1.50
> +GL_ARB_tessellation_shader
> +
> +[vertex shader]
> +#version 150
> +
> +out block { float v; };
> +
> +void main()
> +{
> + v = 42.0;
> +}
> +
> +
> +[tessellation control shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +in block { float v; } per_vertex[];
> +layout(vertices = 1) out;
> +
> +void main()
> +{
> + if (per_vertex[0].v == 42.0) { /* constant index case */
> + gl_TessLevelInner[0] = 1.0;
> + gl_TessLevelInner[1] = 1.0;
> +
> + gl_TessLevelOuter[0] = 1.0;
> + gl_TessLevelOuter[1] = 1.0;
> + gl_TessLevelOuter[2] = 1.0;
> + gl_TessLevelOuter[3] = 1.0;
> + } else {
> + gl_TessLevelInner[0] = 0.0;
> + gl_TessLevelInner[1] = 0.0;
> +
> + gl_TessLevelOuter[0] = 0.0;
> + gl_TessLevelOuter[1] = 0.0;
> + gl_TessLevelOuter[2] = 0.0;
> + gl_TessLevelOuter[3] = 0.0;
> + }
> +}
> +
> +[tessellation evaluation shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +layout(quads, equal_spacing) in;
> +
> +void main()
> +{
> + gl_Position = vec4(gl_TessCoord.xy * 2 - 1, 0, 1);
> +}
> +
> +[fragment shader]
> +#version 150
> +
> +void main()
> +{
> + gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
> +}
> +
> +[test]
> +patch parameter vertices 1
> +draw arrays GL_PATCHES 0 1
> +probe all rgba 0.0 1.0 0.0 1.0
> diff --git a/tests/spec/arb_tessellation_shader/execution/tcs-input-read-simple.shader_test b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-simple.shader_test
> new file mode 100644
> index 0000000..d0a226c
> --- /dev/null
> +++ b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-simple.shader_test
> @@ -0,0 +1,68 @@
> +# Test a single per-vertex input read in a TCS.
> +
> +[require]
> +GLSL >= 1.50
> +GL_ARB_tessellation_shader
> +
> +[vertex shader]
> +#version 150
> +
> +out float v;
> +
> +void main()
> +{
> + v = 42.0;
> +}
> +
> +
> +[tessellation control shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +in float v[];
> +layout(vertices = 1) out;
> +
> +void main()
> +{
> + if (v[0] == 42.0) { /* constant index case */
> + gl_TessLevelInner[0] = 1.0;
> + gl_TessLevelInner[1] = 1.0;
> +
> + gl_TessLevelOuter[0] = 1.0;
> + gl_TessLevelOuter[1] = 1.0;
> + gl_TessLevelOuter[2] = 1.0;
> + gl_TessLevelOuter[3] = 1.0;
> + } else {
> + gl_TessLevelInner[0] = 0.0;
> + gl_TessLevelInner[1] = 0.0;
> +
> + gl_TessLevelOuter[0] = 0.0;
> + gl_TessLevelOuter[1] = 0.0;
> + gl_TessLevelOuter[2] = 0.0;
> + gl_TessLevelOuter[3] = 0.0;
> + }
> +}
> +
> +[tessellation evaluation shader]
> +#version 150
> +#extension GL_ARB_tessellation_shader : require
> +
> +layout(quads, equal_spacing) in;
> +
> +void main()
> +{
> + gl_Position = vec4(gl_TessCoord.xy * 2 - 1, 0, 1);
> +}
> +
> +[fragment shader]
> +#version 150
> +
> +void main()
> +{
> + gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
> +}
> +
> +[test]
> +patch parameter vertices 1
> +draw arrays GL_PATCHES 0 1
> +probe all rgba 0.0 1.0 0.0 1.0
> --
> 2.1.4
>
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