[Piglit] [PATCH 3/9] arb_texture_stencil8: add basic get teximage

[Anuj Phogat]

On Mon, Apr 6, 2015 at 8:39 PM, Dave Airlie <airlied at gmail.com> wrote:
> This just tests the get tex image path works okay for stencil8 textures.
>
> Signed-off-by: Dave Airlie <airlied at redhat.com>
> ---
>  tests/spec/arb_texture_stencil8/CMakeLists.gl.txt |  1 +
>  tests/spec/arb_texture_stencil8/getteximage.c     | 98 +++++++++++++++++++++++
>  2 files changed, 99 insertions(+)
>  create mode 100644 tests/spec/arb_texture_stencil8/getteximage.c
>
> diff --git a/tests/spec/arb_texture_stencil8/CMakeLists.gl.txt b/tests/spec/arb_texture_stencil8/CMakeLists.gl.txt
> index 65e6c19..4d16073 100644
> --- a/tests/spec/arb_texture_stencil8/CMakeLists.gl.txt
> +++ b/tests/spec/arb_texture_stencil8/CMakeLists.gl.txt
> @@ -11,5 +11,6 @@ link_libraries (
>
>  piglit_add_executable (arb_texture_stencil8-stencil-texture stencil-texture.c)
>  piglit_add_executable (arb_texture_stencil8-draw draw.c)
> +piglit_add_executable (arb_texture_stencil8-getteximage getteximage.c)
>
>  # vim: ft=cmake:
> diff --git a/tests/spec/arb_texture_stencil8/getteximage.c b/tests/spec/arb_texture_stencil8/getteximage.c
> new file mode 100644
> index 0000000..09e81de
> --- /dev/null
> +++ b/tests/spec/arb_texture_stencil8/getteximage.c
> @@ -0,0 +1,98 @@
> +/*
> + * Copyright © 2014 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
> + * 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.
> + */
> +
> +/**
> + * \file getteximage.c
> + *
> + * Test glGetTexImage with stencil formats.
> + */
> +
> +#include "piglit-util-gl.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +       config.supports_gl_compat_version = 12;
> +       config.window_visual = PIGLIT_GL_VISUAL_RGBA;
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +
> +#define WIDTH 16
> +#define HEIGHT 16
> +
> +static bool
> +test_s8(void)
> +{
> +       GLubyte tex[WIDTH * HEIGHT];
> +       GLubyte buf[WIDTH * HEIGHT];
> +       GLuint i;
> +
> +       /* init tex data */
> +       for (i = 0; i < WIDTH * HEIGHT; i++) {
> +               GLuint s = 255 - (i & 255);
> +               tex[i] = s;
> +       }
> +
> +       /* create texture */
> +       glTexImage2D(GL_TEXTURE_2D, 0, GL_STENCIL_INDEX8,
> +                    WIDTH, HEIGHT, 0,
> +                    GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, tex);
> +       if (!piglit_check_gl_error(GL_NO_ERROR))
> +               return false;
> +
> +       /* read back the texture */
> +       glGetTexImage(GL_TEXTURE_2D, 0,
> +                     GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, buf);
> +       if (!piglit_check_gl_error(GL_NO_ERROR))
> +               return false;
> +
> +       /* compare */
> +       for (i = 0; i < WIDTH * HEIGHT; i++) {
> +               if (buf[i] != tex[i]) {
> +                       printf("Wrong texel data at position %d: "
> +                              "Expected 0x%08x, found 0x%08x\n",
> +                              i, tex[i], buf[i]);
> +                       return false;
> +               }
> +       }
> +
> +       return true;
> +}
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> +       bool pass;
> +
> +       piglit_require_extension("GL_ARB_texture_stencil8");
> +
> +       pass = test_s8();
> +
> +       piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
> +}
> +
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> +       /* unused */
> +       return PIGLIT_FAIL;
> +}
> --
> 2.1.0
>
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Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>