Hello,

I think that I found one more issue (small but anyway issue) in my patch.
The texture which is created in 'setup_texture' function is never released (
I would like to delete it at end of the 'piglit_display'.

Regards,
Andrii.

On Mon, Dec 3, 2018 at 4:14 PM andrey simiklit <asimiklit.w...@gmail.com>
wrote:

> On Mon, Dec 3, 2018 at 1:50 PM Erik Faye-Lund <
> erik.faye-l...@collabora.com> wrote:
>
>> On Mon, 2018-12-03 at 13:31 +0200, andrey simiklit wrote:
>> > Hello,
>> >
>> > Thanks for review.
>> > I will fix all these issues and provide v2 shortly :)
>> >
>> > Thanks,
>> > Andrii.
>> >
>> > On Mon, Dec 3, 2018 at 12:37 PM Erik Faye-Lund <
>> > erik.faye-l...@collabora.com> wrote:
>> > > Just a few nits, do with them as you like. The test itself looks
>> > > good
>> > > to me :)
>> > >
>> > > Reviewed-by: Erik Faye-Lund <erik.faye-l...@collabora.com>
>> > >
>> > > On Tue, 2018-10-23 at 16:44 +0300, asimiklit.w...@gmail.com wrote:
>> > > > From: Andrii Simiklit <andrii.simik...@globallogic.com>
>> > > >
>> > > > Test that usage of upside down miptree doesn't cause assertion
>> > > >
>> > > > The miptree:
>> > > >
>> > > > level 0 = 1x1
>> > > > level 1 = 2x2
>> > > > level 2 = 4x4
>> > > > ...
>> > > > level n = NxN
>> > > >
>> > > > should be acceptable for case when we don't use a min filter.
>> > > >
>> > > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107987
>> > > > Signed-off-by: Andrii Simiklit <andrii.simik...@globallogic.com>
>> > > > ---
>> > > >  tests/opengl.py                           |   1 +
>> > > >  tests/texturing/CMakeLists.gl.txt         |   1 +
>> > > >  tests/texturing/tex-upside-down-miptree.c | 171
>> > > > ++++++++++++++++++++++
>> > > >  3 files changed, 173 insertions(+)
>> > > >  create mode 100644 tests/texturing/tex-upside-down-miptree.c
>> > > >
>> > > > diff --git a/tests/opengl.py b/tests/opengl.py
>> > > > index f7e408cd5..f6a38e40e 100644
>> > > > --- a/tests/opengl.py
>> > > > +++ b/tests/opengl.py
>> > > > @@ -704,6 +704,7 @@ with profile.test_list.group_manager(
>> > > >      g(['getteximage-targets', '1D'])
>> > > >      g(['getteximage-targets', '2D'])
>> > > >      g(['teximage-scale-bias'])
>> > > > +    g(['tex-upside-down-miptree'])
>> > > >      add_msaa_visual_plain_tests(g, ['draw-pixels'])
>> > > >      add_msaa_visual_plain_tests(g, ['read-front'],
>> > > > run_concurrent=False)
>> > > >      add_msaa_visual_plain_tests(g, ['read-front', 'clear-front-
>> > > > first'],
>> > > > diff --git a/tests/texturing/CMakeLists.gl.txt
>> > > > b/tests/texturing/CMakeLists.gl.txt
>> > > > index e5d41e432..02b572c79 100644
>> > > > --- a/tests/texturing/CMakeLists.gl.txt
>> > > > +++ b/tests/texturing/CMakeLists.gl.txt
>> > > > @@ -98,5 +98,6 @@ piglit_add_executable (texture-al texture-al.c)
>> > > >  piglit_add_executable (texture-rg texture-rg.c)
>> > > >  piglit_add_executable (teximage-colors teximage-colors.c)
>> > > >  piglit_add_executable (zero-tex-coord zero-tex-coord.c)
>> > > > +piglit_add_executable (tex-upside-down-miptree tex-upside-down-
>> > > > miptree.c)
>> > > >
>> > > >  # vim: ft=cmake:
>> > > > diff --git a/tests/texturing/tex-upside-down-miptree.c
>> > > > b/tests/texturing/tex-upside-down-miptree.c
>> > > > new file mode 100644
>> > > > index 000000000..2d10fb49a
>> > > > --- /dev/null
>> > > > +++ b/tests/texturing/tex-upside-down-miptree.c
>> > > > @@ -0,0 +1,171 @@
>> > > > +/*
>> > > > + * Copyright (c) 2018 Andrii Simiklit
>> > > > + *
>> > > > + * 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.
>> > > > + *
>> > > > + * Authors:
>> > > > + *    Andrii Simiklit <asimiklit.w...@gmail.com>
>> > > > + *
>> > > > + */
>> > > > +
>> > > > +/**
>> > > > + * Test what there no an assertion when we use upside down
>> > > miptree
>> > > > and
>> > > > + * GL_TEXTURE_MIN_FILTER is GL_LINEAR, base level is not 0
>> > > > + * Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107987
>> > > > + */
>> > > > +
>> > > > +#include "piglit-util-gl.h"
>> > > > +#define TW 64
>> > > > +#define TH 64
>> > > > +
>> > > > +PIGLIT_GL_TEST_CONFIG_BEGIN
>> > > > +
>> > > > +     config.supports_gl_compat_version = 10;
>> > >
>> > > Just a suggestion:
>> > >
>> > > Since you already did the hassle of using shaders, perhaps you
>> > > could
>> > > get this text to work on GLES 2?
>> > >
>>
>> Turning my brain back on for a second: This isn't going to work, I
>> think. GLES 2 doesn't support changing the base-level.
>>
>>
> Oh, it is good news for me (I don't know why I didn't check it before
> starting to work on it)
> because I was stuck a bit on this porting to the gles2 with some other
> stuff )))
> Thanks for pointing out.
> I will fix just other issues :)
>
> > > > +
>> > > > +     config.window_visual = PIGLIT_GL_VISUAL_RGBA |
>> > > > PIGLIT_GL_VISUAL_DOUBLE;
>> > > > +     config.khr_no_error_support = PIGLIT_NO_ERRORS;
>> > > > +
>> > > > +PIGLIT_GL_TEST_CONFIG_END
>> > > > +
>> > > > +static unsigned nlevels = 0;
>> > > > +
>> > > > +static void
>> > > > +get_rect_bounds(int pos, int *x, int *y, int *w, int *h)
>> > > > +{
>> > > > +     *x = pos * (piglit_width / 3) + 5;
>> > > > +     *y = 5;
>> > > > +     *w = piglit_width / 3 - 10;
>> > > > +     *h = piglit_height - 10;
>> > > > +}
>> > > > +
>> > > > +
>> > > > +static void
>> > > > +draw_rect(int pos)
>> > > > +{
>> > > > +     int x, y, w, h;
>> > > > +     get_rect_bounds(pos, &x, &y, &w, &h);
>> > > > +     piglit_draw_rect_tex(x, y, w, h, 0, 0, 1, 1);
>> > > > +}
>> > > > +
>> > > > +
>> > > > +static GLboolean
>> > > > +probe_pos(int pos, const GLfloat expected[4])
>> > > > +{
>> > > > +     int x, y, w, h;
>> > > > +     get_rect_bounds(pos, &x, &y, &w, &h);
>> > > > +     return piglit_probe_rect_rgba(x, y, w, h, expected);
>> > > > +}
>> > > > +
>> > > > +
>> > > > +enum piglit_result
>> > > > +piglit_display(void)
>> > > > +{
>> > > > +     GLboolean pass = GL_TRUE;
>> > > > +     unsigned level;
>> > > > +     static const char *fragShaderText =
>> > > > +             "uniform sampler2D tex;\n"
>> > > > +             "void main()\n"
>> > > > +             "{\n"
>> > > > +             "   gl_FragColor = texture2D(tex,
>> > > > gl_TexCoord[0].xy).rgba;\n"
>> > > > +             "}\n";
>> > > > +     const GLfloat oneby255 = (1.0 / 255.0);
>> > > > +     const GLfloat expected[4] = { oneby255 * 255.0,
>> > > > +
>> > >
>> > > >               oneby255 * 128.0,
>> > > > +
>> > >
>> > > >               oneby255 * 64.0,
>> > > > +
>> > >
>> > > >               oneby255 * 32.0 };
>> > > > +     GLint tex;
>> > > > +     int pos = 0;
>> > > > +     GLuint prog;
>> > > > +
>> > > > +     piglit_ortho_projection(piglit_width, piglit_height,
>> > > GL_FALSE);
>> > > > +     piglit_require_GLSL_version(110);
>> > >
>> > > I would put this require in piglit_init instead...
>> > >
>> > > > +     prog = piglit_build_simple_program(NULL, fragShaderText);
>> > >
>> > > I would also build the shader in the init-function...
>> > >
>> > > > +     glUseProgram(prog);
>> > > > +     tex = glGetUniformLocation(prog, "tex");
>> > > > +     glUniform1i(tex, 0);
>> > > > +
>> > > > +     for(level = 1; level < nlevels && pass; ++level)
>> > > > +     {
>> > > > +             glTexParameteri(GL_TEXTURE_2D,
>> > > GL_TEXTURE_BASE_LEVEL,
>> > > > level);
>> > > > +             glClear(GL_COLOR_BUFFER_BIT);
>> > > > +             /* If we the draw_rect function doesn't cause
>> > > > crash/assertion
>> > > > +             * it means everything is okay and test will be
>> > > marked
>> > > > +             * as pass
>> > > > +             */
>> > > > +             draw_rect(pos);
>> > > > +             /** Just in case we check it
>> > > > +              */
>> > > > +             pass = pass && probe_pos(pos, expected);
>> > > > +     }
>> > > > +
>> > > > +     glUseProgram(0);
>> > > > +     glDeleteProgram(prog);
>> > > > +     piglit_present_results();
>> > > > +
>> > > > +     return pass ? PIGLIT_PASS : PIGLIT_FAIL;
>> > > > +}
>> > > > +
>> > > > +
>> > > > +static void
>> > > > +setup_texture(void)
>> > > > +{
>> > > > +     GLuint t;
>> > > > +     GLubyte img[TH][TW][4];
>> > > > +     int i, j, w, h;
>> > > > +
>> > > > +     for (i = 0; i < TH; i++) {
>> > > > +             for (j = 0; j < TW; j++) {
>> > > > +                     img[i][j][0] = 255;
>> > > > +                     img[i][j][1] = 128;
>> > > > +                     img[i][j][2] = 64;
>> > > > +                     img[i][j][3] = 32;
>> > > > +             }
>> > > > +     }
>> > > > +
>> > > > +     /* make an abnormal upside down miptree
>> > > > +      */
>> > > > +     glGenTextures(1, &t);
>> > > > +     glBindTexture(GL_TEXTURE_2D, t);
>> > > > +     w = TW;
>> > > > +     h = TH;
>> > > > +     for (nlevels = 0; w > 0 && h > 0; nlevels++) {
>> > > > +             w /= 2;
>> > > > +             h /= 2;
>> > > > +     }
>> > > > +     w = TW;
>> > > > +     h = TH;
>> > > > +     for (i = 0; w > 0 && h > 0; i++) {
>> > > > +             glTexImage2D(GL_TEXTURE_2D, nlevels - 1 - i,
>> > > GL_RGBA,
>> > > > w, h, 0,
>> > > > +                             GL_RGBA, GL_UNSIGNED_BYTE, img);
>> > > > +             w /= 2;
>> > > > +             h /= 2;
>> > > > +     }
>> > > > +
>> > > > +     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
>> > > > GL_LINEAR);
>> > > > +     glClearColor(0.5, 0.5, 0.5, 0.0);
>> > > > +     piglit_ortho_projection(piglit_width, piglit_height,
>> > > GL_FALSE);
>> > >
>> > > What does glClearColor and piglit_ortho_projection have to do with
>> > > setting up a texture?
>> > >
>> > > You seem to be setting up the projection matrix at a later point
>> > > anyway...
>> > >
>> > > > +}
>> > > > +
>> > > > +
>> > > > +void
>> > > > +piglit_init(int argc, char **argv)
>> > > > +{
>> > > > +     setup_texture();
>> > > > +}
>> > >
>>
>>
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