[Piglit] [PATCH 3/4] arb_internalformat_query2: fix TBO testing

Marek Olšák maraeo at gmail.com
Tue Oct 24 01:15:07 UTC 2017


On Sun, Oct 22, 2017 at 12:33 PM, Alejandro Piñeiro
<apinheiro at igalia.com> wrote:
> On 21/10/17 14:55, Marek Olšák wrote:
>> From: Marek Olšák <marek.olsak at amd.com>
>>
>> This was never tested and it uses functions that are illegal with TBOs,
>> like glGetTexParameteriv and glTexImage2DMultisample.
>
> Hi, I didn't check all the patch in detail, but as Illia is saying, it
> is correct to pass TEXTURE_BUFFER to GetInternalFormat*. I also disagree
> that this case it is not tested, or at least for the case I checked. See
> below, I have two extra comments.
>
>> ---
>>  tests/spec/arb_internalformat_query2/common.h                         | 4 +++-
>>  tests/spec/arb_internalformat_query2/format-components.c              | 2 +-
>>  tests/spec/arb_internalformat_query2/generic-pname-checks.c           | 2 +-
>>  .../spec/arb_internalformat_query2/image-format-compatibility-type.c  | 2 +-
>>  4 files changed, 6 insertions(+), 4 deletions(-)
>>
>> diff --git a/tests/spec/arb_internalformat_query2/common.h b/tests/spec/arb_internalformat_query2/common.h
>> index df68581..0e5e11f 100644
>> --- a/tests/spec/arb_internalformat_query2/common.h
>> +++ b/tests/spec/arb_internalformat_query2/common.h
>> @@ -25,26 +25,28 @@
>>
>>  static const GLenum valid_targets[] = {
>>          GL_TEXTURE_1D,
>>          GL_TEXTURE_1D_ARRAY,
>>          GL_TEXTURE_2D,
>>          GL_TEXTURE_2D_ARRAY,
>>          GL_TEXTURE_3D,
>>          GL_TEXTURE_CUBE_MAP,
>>          GL_TEXTURE_CUBE_MAP_ARRAY,
>>          GL_TEXTURE_RECTANGLE,
>> -        GL_TEXTURE_BUFFER,
>>          GL_RENDERBUFFER,
>>          GL_TEXTURE_2D_MULTISAMPLE,
>>          GL_TEXTURE_2D_MULTISAMPLE_ARRAY,
>> +     GL_TEXTURE_BUFFER,
>>  };
>>
>> +#define NUM_TARGETS_EXCEPT_TBO (ARRAY_SIZE(valid_targets) - 1)
>> +
>
> Not sure if this is really needed, as we have texture_targets, defined
> on common.h too, that is valid_targets except TEXTURE_BUFFER and
> RENDERBUFFER. The latter also need some special handling.
>
>>  static const GLenum invalid_targets[] = {
>>          GL_FRAMEBUFFER,
>>          GL_COLOR_ATTACHMENT0,
>>          GL_COLOR_ATTACHMENT1,
>>          GL_COLOR_ATTACHMENT2,
>>          GL_COLOR_ATTACHMENT3,
>>          GL_COLOR_ATTACHMENT4,
>>          GL_COLOR_ATTACHMENT5,
>>          GL_COLOR_ATTACHMENT6,
>>          GL_COLOR_ATTACHMENT7,
>> diff --git a/tests/spec/arb_internalformat_query2/format-components.c b/tests/spec/arb_internalformat_query2/format-components.c
>> index a484e01..983091f 100644
>> --- a/tests/spec/arb_internalformat_query2/format-components.c
>> +++ b/tests/spec/arb_internalformat_query2/format-components.c
>> @@ -244,21 +244,21 @@ check_format_components(void)
>>          test_data *data = test_data_new(0, 1);
>>          unsigned i;
>>          int testing64;
>>
>>          for (i = 0; i < ARRAY_SIZE(pnames); i++) {
>>                  bool pass = true;
>>
>>                  for (testing64 = 0; testing64 <= 1; testing64++) {
>>                          test_data_set_testing64(data, testing64);
>>
>> -                        pass = try(valid_targets, ARRAY_SIZE(valid_targets),
>> +                        pass = try(valid_targets, NUM_TARGETS_EXCEPT_TBO,
>>                                     valid_internalformats, ARRAY_SIZE(valid_internalformats),
>>                                     pnames[i], data)
>>                                  && pass;
>>                  }
>>
>>                  piglit_report_subtest_result(pass ? PIGLIT_PASS : PIGLIT_FAIL,
>>                                               "%s", piglit_get_gl_enum_name(pnames[i]));
>>
>>                  check_pass = check_pass && pass;
>>          }
>> diff --git a/tests/spec/arb_internalformat_query2/generic-pname-checks.c b/tests/spec/arb_internalformat_query2/generic-pname-checks.c
>> index e521fac..feb953c 100644
>> --- a/tests/spec/arb_internalformat_query2/generic-pname-checks.c
>> +++ b/tests/spec/arb_internalformat_query2/generic-pname-checks.c
>> @@ -255,21 +255,21 @@ check_basic(const GLenum *pnames, unsigned num_pnames,
>>          test_data *data = test_data_new(0, 1);
>>          unsigned i;
>>          int testing64;
>>
>>          for (i = 0; i < num_pnames; i++) {
>>                  bool pass = true;
>>
>>                  for (testing64 = 0; testing64 <= 1; testing64++) {
>>                          test_data_set_testing64(data, testing64);
>>
>> -                        pass = try_basic(valid_targets, ARRAY_SIZE(valid_targets),
>> +                        pass = try_basic(valid_targets, NUM_TARGETS_EXCEPT_TBO,
>>                                           valid_internalformats, ARRAY_SIZE(valid_internalformats),
>>                                           pnames[i],
>>                                           possible_values, num_possible_values,
>>                                           data)
>>                                  && pass;
>>                  }
>>
>>                  piglit_report_subtest_result(pass ? PIGLIT_PASS : PIGLIT_FAIL,
>>                                               "%s", piglit_get_gl_enum_name(pnames[i]));
>>
>> diff --git a/tests/spec/arb_internalformat_query2/image-format-compatibility-type.c b/tests/spec/arb_internalformat_query2/image-format-compatibility-type.c
>> index 28bf292..af46c60 100644
>> --- a/tests/spec/arb_internalformat_query2/image-format-compatibility-type.c
>> +++ b/tests/spec/arb_internalformat_query2/image-format-compatibility-type.c
>> @@ -138,21 +138,21 @@ try_local(const GLenum *targets, unsigned num_targets,
>>  static bool
>>  check_format_compatibility_type(void)
>>  {
>>          bool pass = true;
>>          test_data *data = test_data_new(0, 1);
>>          int testing64;
>>
>>          for (testing64 = 0; testing64 <= 1; testing64++) {
>>                  test_data_set_testing64(data, testing64);
>>
>> -                pass = try_local(valid_targets, ARRAY_SIZE(valid_targets),
>> +                pass = try_local(valid_targets, NUM_TARGETS_EXCEPT_TBO,
>
> Your point is that TEXTURE_BUFFER shouldn't be tested here. But it is
> tested in the sense that for this specific pname, querying should return
> GL_NONE.
>
> C&P the comment at try_local:
> /* From the spec:
>  *
>  * "- IMAGE_FORMAT_COMPATIBILITY_TYPE: The matching criteria use for
>  *   the resource when used as an image textures is returned in
>  *   <params>. This is equivalent to calling GetTexParameter with
>  *   <value> set to IMAGE_FORMAT_COMPATIBILITY_TYPE. Possible values
>  *   are IMAGE_FORMAT_COMPATIBILITY_BY_SIZE or
>  *   IMAGE_FORMAT_COMPATIBILITY_BY_CLASS.  If the resource is not
>  *   supported for image textures, or if image textures are not
>  *   supported, NONE is returned."
>  *
>  * So try_local is equivalent to try_basic, except that instead of
>  * checking against a list of possible value, we test against the
>  * value returned by GetTexParameter, or against GL_NONE if not
>  * supported of if it is not a texture.
>  */
>
> So in this case, TBO is tested (or should be, unless a bug on the test),
> but the test is just to confirm that we get a GL_NONE. On the code is
> checked against texture_targets. As it doesn't belong there, it is not
> used  glGetTexParameteriv  and just checks if GL_NONE is returned.

This test does use glGetTexParameter(GL_TEXTURE_BUFFER).

Marek


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