[Piglit] [PATCH] ext_texture_integer: add new tex formats test

Brian Paul brianp at vmware.com
Tue Sep 1 07:08:50 PDT 2015


On 08/31/2015 05:38 PM, Ilia Mirkin wrote:
> On Mon, Aug 31, 2015 at 7:21 PM, Brian Paul <brianp at vmware.com> wrote:
>> Test glTexImage2D() and glGetTexImage() with a variety of internalFormats
>> and user formats/types.
>>
>> Note: currently fails with Mesa, passes with NVIDIA.
>> ---
>>   tests/all.py                                     |   1 +
>>   tests/spec/ext_texture_integer/CMakeLists.gl.txt |   1 +
>>   tests/spec/ext_texture_integer/texformats.c      | 182 +++++++++++++++++++++++
>>   3 files changed, 184 insertions(+)
>>   create mode 100644 tests/spec/ext_texture_integer/texformats.c
>>
>> diff --git a/tests/all.py b/tests/all.py
>> index fe088f5..9320722 100644
>> --- a/tests/all.py
>> +++ b/tests/all.py
>> @@ -3127,6 +3127,7 @@ with profile.group_manager(
>>       g(['ext_texture_integer-getteximage-clamping'], 'getteximage-clamping')
>>       g(['ext_texture_integer-getteximage-clamping', 'GL_ARB_texture_rg'],
>>         'getteximage-clamping GL_ARB_texture_rg')
>> +    g(['ext_texture_integer-texformats']),
>>       g(['ext_texture_integer-texture_integer_glsl130'],
>>         'texture_integer_glsl130')
>>       g(['fbo-integer'], run_concurrent=False)
>> diff --git a/tests/spec/ext_texture_integer/CMakeLists.gl.txt b/tests/spec/ext_texture_integer/CMakeLists.gl.txt
>> index 44d9399..2932bc2 100644
>> --- a/tests/spec/ext_texture_integer/CMakeLists.gl.txt
>> +++ b/tests/spec/ext_texture_integer/CMakeLists.gl.txt
>> @@ -12,6 +12,7 @@ link_libraries (
>>
>>   piglit_add_executable (ext_texture_integer-fbo-blending fbo-blending.c)
>>   piglit_add_executable (ext_texture_integer-fbo_integer_precision_clear fbo-integer-precision-clear.c)
>> +piglit_add_executable (ext_texture_integer-texformats texformats.c)
>>   piglit_add_executable (ext_texture_integer-fbo_integer_readpixels_sint_uint fbo-integer-readpixels-sint-uint.c)
>>   piglit_add_executable (ext_texture_integer-getteximage-clamping getteximage-clamping.c)
>>   piglit_add_executable (ext_texture_integer-texture_integer_glsl130 texture-integer-glsl130.c)
>> diff --git a/tests/spec/ext_texture_integer/texformats.c b/tests/spec/ext_texture_integer/texformats.c
>> new file mode 100644
>> index 0000000..5a4f387
>> --- /dev/null
>> +++ b/tests/spec/ext_texture_integer/texformats.c
>> @@ -0,0 +1,182 @@
>> +/*
>> + * Copyright (c) 2015 VMware, Inc.
>> + *
>> + * Permission is hereby granted, free of charge, to any person obtaining a
>> + * copy of this software and associated documentation files (the "Software"),
>> + * to deal in the Software without restriction, including without limitation
>> + * on the rights to use, copy, modify, merge, publish, distribute, sub
>> + * license, and/or sell copies of the Software, and to permit persons to whom
>> + * the Software is furnished to do so, subject to the following conditions:
>> + *
>> + * The above copyright notice and this permission notice (including the next
>> + * paragraph) shall be included in all copies or substantial portions of the
>> + * Software.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
>> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
>> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
>> + * NON-INFRINGEMENT.  IN NO EVENT SHALL VMWARE AND/OR THEIR SUPPLIERS
>> + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
>> + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
>> + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
>> + * SOFTWARE.
>> + */
>> +
>> +/**
>> + * Test glTexImage2D and glGetTexImage with a variety of combinations of
>> + * internal formats, and user-specified formats/types.
>> + *
>> + * Brian Paul
>> + * 31 August 2015
>> + */
>> +
>> +#include "piglit-util-gl.h"
>> +
>> +PIGLIT_GL_TEST_CONFIG_BEGIN
>> +       config.supports_gl_compat_version = 10;
>> +       config.window_visual = PIGLIT_GL_VISUAL_RGBA;
>> +PIGLIT_GL_TEST_CONFIG_END
>> +
>> +
>> +static bool
>> +test_format(GLenum intFormat, GLenum format, GLenum type)
>> +{
>> +       const int width = 8, height = 8;
>> +       GLuint tex;
>> +       GLubyte *image, *getimage;
>> +       bool pass = true;
>> +       int i, bytes;
>> +
>> +       switch (intFormat) {
>> +       case GL_ALPHA8I_EXT:
>> +       case GL_ALPHA8UI_EXT:
>> +               bytes = 1;
>> +               break;
>> +       case GL_ALPHA16I_EXT:
>> +       case GL_ALPHA16UI_EXT:
>> +               bytes = 2;
>> +               break;
>> +       case GL_ALPHA32I_EXT:
>> +       case GL_ALPHA32UI_EXT:
>> +               bytes = 4;
>> +               break;
>> +       case GL_RGB8I:
>> +       case GL_RGB8UI:
>> +               bytes = 3;
>> +               break;
>> +       case GL_RGBA8I:
>> +       case GL_RGBA8UI:
>> +               bytes = 4;
>> +               break;
>> +       case GL_RGB16I:
>> +       case GL_RGB16UI:
>> +               bytes = 6;
>> +               break;
>> +       case GL_RGBA16I:
>> +       case GL_RGBA16UI:
>> +               bytes = 8;
>> +               break;
>> +       case GL_RGB32I:
>> +       case GL_RGB32UI:
>> +               bytes = 12;
>> +               break;
>> +       case GL_RGBA32I:
>> +       case GL_RGBA32UI:
>> +               bytes = 16;
>> +               break;
>> +       default:
>> +               assert(!"Unexpected format");
>> +               bytes = 0;
>> +       }
>> +
>> +       image = malloc(width * height * bytes);
>> +       for (i = 0; i < width * height * bytes; i++) {
>> +               image[i] = i % 255;
>
> Any reason not to do % 256? Not that this is *too*
> performance-sensitive, but... things like this pain me :)

I meant to use &, not %.


>
>> +       }
>> +
>> +       glGenTextures(1, &tex);
>> +       glBindTexture(GL_TEXTURE_2D, tex);
>> +       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
>> +       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
>> +
>> +       glTexImage2D(GL_TEXTURE_2D, 0, intFormat, width, height, 0,
>> +                    format, type, image);
>> +       if (!piglit_check_gl_error(GL_NO_ERROR)) {
>> +               pass = false;
>> +       }
>> +
>> +       getimage = malloc(width * height * bytes);
>> +
>> +       glGetTexImage(GL_TEXTURE_2D, 0, format, type, getimage);
>> +       if (!piglit_check_gl_error(GL_NO_ERROR)) {
>> +               pass = false;
>> +       }
>> +
>> +       if (memcmp(image, getimage, width * height * bytes) != 0) {
>> +               pass = false;
>> +       }
>> +
>> +       if (!pass) {
>> +               printf("Fail for intFormat=%s, format=%s, type=%s\n",
>> +                      piglit_get_gl_enum_name(intFormat),
>> +                      piglit_get_gl_enum_name(format),
>> +                      piglit_get_gl_enum_name(type));
>> +       }
>> +
>> +       glDeleteTextures(1, &tex);
>> +
>> +       return pass;
>> +}
>> +
>> +
>> +enum piglit_result
>> +piglit_display(void)
>> +{
>> +       /* These format combinations should all work.  But this list is
>> +        * not exhaustive.
>> +        */
>> +       static const GLenum formats[][3] = {
>> +               /* 8-bit/channel */
>> +               { GL_ALPHA8UI_EXT, GL_ALPHA_INTEGER, GL_UNSIGNED_BYTE },
>> +               { GL_ALPHA8I_EXT, GL_ALPHA_INTEGER, GL_BYTE },
>> +               { GL_RGB8UI, GL_RGB_INTEGER, GL_UNSIGNED_BYTE },
>> +               { GL_RGB8I, GL_RGB_INTEGER, GL_BYTE },
>> +               { GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE },
>> +               { GL_RGBA8I, GL_RGBA_INTEGER, GL_BYTE },
>> +               { GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT_8_8_8_8 },
>> +               { GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT_8_8_8_8_REV },
>> +               /* 16-bit */
>> +               { GL_ALPHA16UI_EXT, GL_ALPHA_INTEGER, GL_UNSIGNED_SHORT },
>> +               { GL_ALPHA16I_EXT, GL_ALPHA_INTEGER, GL_SHORT },
>> +               { GL_RGB16UI, GL_RGB_INTEGER, GL_UNSIGNED_SHORT },
>> +               { GL_RGB16I, GL_RGB_INTEGER, GL_SHORT },
>> +               { GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT },
>> +               { GL_RGBA16I, GL_RGBA_INTEGER, GL_SHORT },
>> +               /* 32-bit */
>> +               { GL_ALPHA32UI_EXT, GL_ALPHA_INTEGER, GL_UNSIGNED_INT },
>> +               { GL_ALPHA32I_EXT, GL_ALPHA_INTEGER, GL_INT },
>> +               { GL_RGB32UI, GL_RGB_INTEGER, GL_UNSIGNED_INT },
>> +               { GL_RGB32I, GL_RGB_INTEGER, GL_INT },
>> +               { GL_RGBA32UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT },
>> +               { GL_RGBA32I, GL_RGBA_INTEGER, GL_INT }
>> +       };
>> +       int i;
>> +       bool pass = true;
>> +
>> +       for (i = 0; i < ARRAY_SIZE(formats); i++) {
>> +               pass = test_format(formats[i][0], formats[i][1], formats[i][2])
>> +                       && pass;
>> +       }
>> +
>> +       return pass ? PIGLIT_PASS : PIGLIT_FAIL;
>
> Does this draw anything? If not, should this all just be in
> piglit_init? Otherwise you end up with a blank transparent window when
> you don't do -auto, which can be confusing to see.

OK.

>
> Also, isn't all this covered by the teximage-colors tests which I
> thought were fairly exhaustive? Or do they not do integer textures and
> this is just the same thing but for integer textures?

teximage-colors does not seem to hit the issue.

-Brian



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