On 27/01/18 02:00, [email protected] wrote:
> From: Roland Scheidegger <[email protected]>
>
> I believe querying that information for GL_TEXTURE_BUFFFER via internal format
> query should return the correct values, but it's definitely impossible if just
> ARB_texture_buffer_object is supported but not GL 3.1. Hence just pretend it
> succeeded in this case.
> (Also see the corresponding mesa change.)
Saw that and replied. Before a full review of this specific patch, I
think that it would be better to finish the discussion on the mesa patch.
> ---
> tests/spec/arb_internalformat_query2/common.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/tests/spec/arb_internalformat_query2/common.c
> b/tests/spec/arb_internalformat_query2/common.c
> index 5fc4c833b..f1757d041 100644
> --- a/tests/spec/arb_internalformat_query2/common.c
> +++ b/tests/spec/arb_internalformat_query2/common.c
> @@ -553,6 +553,18 @@
> test_data_check_against_get_tex_level_parameter(test_data *data,
> GLenum real_target = target;
> GLenum pname_equiv = translate_pname(pname);
>
> + /*
> + * Special case for texture buffer - this is not valid as
> + * glGetTexLevelParameteriv target with just ARB_tbo, only with gl
> 3.1.
> + * However, I believe the query2 should still return the correct
> + * values, despite the spec saying
> + * "For textures this query will return the same information as
> + * querying GetTexLevelParameter{if}v for TEXTURE_*_SIZE would
> return."
> + */
> + if (target == GL_TEXTURE_BUFFER && piglit_get_gl_version() < 31) {
> + return GL_TRUE;
> + }
> +
> result = create_texture(target, internalformat, &tex, &buffer);
> if (!result)
> return test_data_is_unsupported_response(data, pname);
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