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

Chris Forbes chrisf at ijw.co.nz
Mon Jan 20 00:15:40 PST 2014


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);
> +
> +       /* 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);
> +
> +       /* 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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