[Piglit] [PATCH] arb_texture_view: Test uploading into a view with nonzero MinLevel

Jon Ashburn jon at lunarg.com
Wed Jan 22 09:40:49 PST 2014


On 01/20/2014 01:15 AM, Chris Forbes wrote:
> The calculation of color_index isn't correct as sent -- inside the
> view range it should be i + NUM_LEVELS - VIEW_MIN_LEVEL.
>
> Similar fix applies to the layers test.
>
> On Sun, Jan 19, 2014 at 4:32 PM, Chris Forbes <chrisf at ijw.co.nz> wrote:
>> Tests that the correct levels are overwritten when uploading texture
>> data through a view with a nonzero MinLevel.
>>
>> Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
>> ---
>>   tests/all.py                                     |   1 +
>>   tests/spec/arb_texture_view/CMakeLists.gl.txt    |   1 +
>>   tests/spec/arb_texture_view/texsubimage-levels.c | 129 +++++++++++++++++++++++
>>   3 files changed, 131 insertions(+)
>>   create mode 100644 tests/spec/arb_texture_view/texsubimage-levels.c
>>
>> diff --git a/tests/all.py b/tests/all.py
>> index 6ed30eb..01bd289 100644
>> --- a/tests/all.py
>> +++ b/tests/all.py
>> @@ -1943,6 +1943,7 @@ arb_texture_view['rendering-target'] = concurrent_test('arb_texture_view-renderi
>>   arb_texture_view['rendering-levels'] = concurrent_test('arb_texture_view-rendering-levels')
>>   arb_texture_view['lifetime-format'] = concurrent_test('arb_texture_view-lifetime-format')
>>   arb_texture_view['getteximage-srgb'] = concurrent_test('arb_texture_view-getteximage-srgb')
>> +arb_texture_view['texsubimage-levels'] = concurrent_test('arb_texture_view-texsubimage-levels')
>>
>>   tdfx_texture_compression_fxt1 = Group()
>>   spec['3DFX_texture_compression_FXT1'] = tdfx_texture_compression_fxt1
>> diff --git a/tests/spec/arb_texture_view/CMakeLists.gl.txt b/tests/spec/arb_texture_view/CMakeLists.gl.txt
>> index cad7500..bfa9460 100644
>> --- a/tests/spec/arb_texture_view/CMakeLists.gl.txt
>> +++ b/tests/spec/arb_texture_view/CMakeLists.gl.txt
>> @@ -18,5 +18,6 @@ piglit_add_executable(arb_texture_view-queries queries.c)
>>   piglit_add_executable(arb_texture_view-rendering-target rendering_target.c common.c)
>>   piglit_add_executable(arb_texture_view-rendering-levels rendering_levels.c common.c)
>>   piglit_add_executable(arb_texture_view-lifetime-format lifetime_format.c common.c)
>> +piglit_add_executable(arb_texture_view-texsubimage-levels texsubimage-levels.c common.c)
>>
>>   # vim: ft=cmake:
>> diff --git a/tests/spec/arb_texture_view/texsubimage-levels.c b/tests/spec/arb_texture_view/texsubimage-levels.c
>> new file mode 100644
>> index 0000000..69787f9
>> --- /dev/null
>> +++ b/tests/spec/arb_texture_view/texsubimage-levels.c
>> @@ -0,0 +1,129 @@
>> +/*
>> + * Copyright © 2014 Intel Corporation
>> + *
>> + * 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
>> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
>> + * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
>> + * THE AUTHORS OR COPYRIGHT HOLDERS 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.
>> + *
>> + * Author: Chris Forbes <chrisf at ijw.co.nz>
>> + */
>> +
>> +/**
>> + *  \file
>> + *  This tests that TexSubImage* into a view behaves correctly when the view
>> + *  has a nonzero MinLevel.
>> + *
>> + */
>> +
>> +#include "piglit-util-gl-common.h"
>> +#include "common.h"
>> +
>> +PIGLIT_GL_TEST_CONFIG_BEGIN
>> +
>> +       config.supports_gl_compat_version = 15;
>> +       config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
>> +
>> +PIGLIT_GL_TEST_CONFIG_END
>> +
>> +enum piglit_result
>> +piglit_display(void)
>> +{
>> +       return PIGLIT_FAIL;
>> +}
>> +
>> +#define NUM_LEVELS 7
>> +#define VIEW_MIN_LEVEL 2
>> +#define VIEW_NUM_LEVELS 3
>> +#define TEX_SIZE 64
>> +
>> +void
>> +piglit_init(int argc, char **argv)
>> +{
>> +       GLuint tex, view;
>> +       int i, j;
>> +       bool pass = true;
>> +
>> +       piglit_require_extension("GL_ARB_texture_storage");
>> +       piglit_require_extension("GL_ARB_texture_view");
>> +
>> +       /* build a texture with full miptree */
>> +       glGenTextures(1, &tex);
>> +       glBindTexture(GL_TEXTURE_2D, tex);
>> +       glTexStorage2D(GL_TEXTURE_2D, NUM_LEVELS,
>> +               GL_RGBA8,
>> +               TEX_SIZE,
>> +               TEX_SIZE);
>> +
>> +       for (i=0; i < NUM_LEVELS; i++) {
>> +               int dim = TEX_SIZE >> i;
>> +               GLubyte *pixels = create_solid_image(dim, dim,
>> +                       1, 4, i);
>> +               glTexSubImage2D(GL_TEXTURE_2D,
>> +                       i, 0, 0, dim, dim,
>> +                       GL_RGBA, GL_UNSIGNED_BYTE, pixels);
>> +               free(pixels);
>> +       }
>> +
>> +       /* create a view to a subset of the layers */
>> +       glGenTextures(1, &view);
>> +       glTextureView(view, GL_TEXTURE_2D, tex, GL_RGBA8,
>> +               VIEW_MIN_LEVEL, VIEW_NUM_LEVELS,
>> +               0, 1);
>> +
>> +       if (!piglit_check_gl_error(GL_NO_ERROR))
>> +               piglit_report_result(PIGLIT_FAIL);
should keep going with test
     pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
>> +
>> +       /* upload through the view */
>> +       glBindTexture(GL_TEXTURE_2D, view);
>> +       for (i = 0; i < VIEW_NUM_LEVELS; i++) {
>> +               int dim = TEX_SIZE >> (VIEW_MIN_LEVEL + i);
>> +               GLubyte *pixels = create_solid_image(dim, dim,
>> +                       1, 4, i + NUM_LEVELS);
>> +               glTexSubImage2D(GL_TEXTURE_2D,
>> +                       i, 0, 0, dim, dim,
>> +                       GL_RGBA, GL_UNSIGNED_BYTE, pixels);
>> +               free(pixels);
>> +       }
>> +
>> +       if (!piglit_check_gl_error(GL_NO_ERROR))
>> +               piglit_report_result(PIGLIT_FAIL);
     pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
>> +
>> +       /* bind the underlying texture and readback */
>> +       glBindTexture(GL_TEXTURE_2D, tex);
>> +       for (i = 0; i < NUM_LEVELS; i++) {
>> +               /* the levels inside the view should have been replaced.
>> +                * everything else should be untouched.
>> +                */
>> +
>> +               int color_index = (i < VIEW_MIN_LEVEL ||
>> +                       i >= VIEW_MIN_LEVEL + VIEW_NUM_LEVELS) ? i : i + NUM_LEVELS;
>> +               float expected_color[4];
>> +               int dim = TEX_SIZE >> i;
>> +
>> +               printf("Testing level %d\n", i);
>> +
>> +               for (j = 0; j < 4; j++)
>> +                       expected_color[j] = Colors[color_index][j] / 255.0f;
>> +
>> +               pass = piglit_probe_texel_rect_rgba(GL_TEXTURE_2D,
>> +                       i, 0, 0, dim, dim,
>> +                       expected_color) && pass;
>> +       }
>> +
>> +       piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
>> +}
>> --
>> 1.8.5.3
>>
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