[Piglit] [PATCH] arb_shader_storage_buffer_object: Test linking programs with large copies

[Samuel Iglesias Gonsálvez]

Reviewed-by: Samuel Iglesias Gonsálvez <siglesias at igalia.com>

On 20/11/15 19:58, Jordan Justen wrote:
> We test linking of programs that copy a large array, and a large
> structure.
> 
> Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
> ---
>  tests/spec/arb_shader_storage_buffer_object/execution/large-field-copy.shader_test
>  seemed a bit too complex, when the more immediate issue was the linking
>  failure. Maybe it would be good to verify that the copy actually works, but
>  these at least expose the linking issue.
> 
>  .../linker/copy-large-array.shader_test            | 27 +++++++++++++++++++
>  .../linker/copy-large-struct.shader_test           | 31 ++++++++++++++++++++++
>  2 files changed, 58 insertions(+)
>  create mode 100644 tests/spec/arb_shader_storage_buffer_object/linker/copy-large-array.shader_test
>  create mode 100644 tests/spec/arb_shader_storage_buffer_object/linker/copy-large-struct.shader_test
> 
> diff --git a/tests/spec/arb_shader_storage_buffer_object/linker/copy-large-array.shader_test b/tests/spec/arb_shader_storage_buffer_object/linker/copy-large-array.shader_test
> new file mode 100644
> index 0000000..e0b04e5
> --- /dev/null
> +++ b/tests/spec/arb_shader_storage_buffer_object/linker/copy-large-array.shader_test
> @@ -0,0 +1,27 @@
> +# Tests linking of a fragment shader that copies a 'large' array field
> +# within an SSBO.
> +
> +[require]
> +GL >= 3.3
> +GLSL >= 3.30
> +GL_ARB_shader_storage_buffer_object
> +
> +[vertex shader passthrough]
> +
> +[fragment shader]
> +#version 330
> +#extension GL_ARB_shader_storage_buffer_object: require
> +
> +#define SIZE 16
> +
> +buffer SSBO {
> +    mat4 src[SIZE];
> +    mat4 dst[SIZE];
> +};
> +
> +void main() {
> +    dst = src;
> +}
> +
> +[test]
> +link success
> diff --git a/tests/spec/arb_shader_storage_buffer_object/linker/copy-large-struct.shader_test b/tests/spec/arb_shader_storage_buffer_object/linker/copy-large-struct.shader_test
> new file mode 100644
> index 0000000..81de526
> --- /dev/null
> +++ b/tests/spec/arb_shader_storage_buffer_object/linker/copy-large-struct.shader_test
> @@ -0,0 +1,31 @@
> +# Tests linking of a fragment shader that copies a 'large' struct
> +# field within an SSBO.
> +
> +[require]
> +GL >= 3.3
> +GLSL >= 3.30
> +GL_ARB_shader_storage_buffer_object
> +
> +[vertex shader passthrough]
> +
> +[fragment shader]
> +#version 330
> +#extension GL_ARB_shader_storage_buffer_object: require
> +
> +#define SIZE 16
> +
> +struct S {
> +    mat4 m[SIZE];
> +};
> +
> +buffer SSBO {
> +    S src;
> +    S dst;
> +};
> +
> +void main() {
> +    dst = src;
> +}
> +
> +[test]
> +link success
>