[Piglit] [PATCH] arb_no_fb_attach: add a test with just samples passed

Ilia Mirkin imirkin at alum.mit.edu
Tue Feb 2 07:24:34 PST 2016


On Tue, Feb 2, 2016 at 6:20 AM, Tapani Pälli <tapani.palli at intel.com> wrote:
> Nice addition, we did not have resizing covered
>
> Reviewed-by: Tapani Pälli <tapani.palli at intel.com>

Thanks! Could I convince you to have a look at my 4-patch series to
fix all these?

http://patchwork.freedesktop.org/series/2951/
http://patchwork.freedesktop.org/series/2952/

(looks like patchwork didn't detect my cheating and adding a 4/3
afterwords... heh.)

>
>
> On 01/31/2016 05:41 AM, Ilia Mirkin wrote:
>>
>> In case atomic counters aren't available, this is a simpler test that
>> just makes sure that the width/height are properly set.
>>
>> Also add tests for discard as well as changing the fb params.
>>
>> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
>> ---
>>   tests/all.py                                       |   1 +
>>   .../CMakeLists.gl.txt                              |   1 +
>>   tests/spec/arb_framebuffer_no_attachments/query.c  | 178
>> +++++++++++++++++++++
>>   3 files changed, 180 insertions(+)
>>   create mode 100644 tests/spec/arb_framebuffer_no_attachments/query.c
>>
>> diff --git a/tests/all.py b/tests/all.py
>> index 83ad945..6825381 100644
>> --- a/tests/all.py
>> +++ b/tests/all.py
>> @@ -2419,6 +2419,7 @@ with profile.group_manager(
>>       g(['arb_framebuffer_no_attachments-minmax'])
>>       g(['arb_framebuffer_no_attachments-params'])
>>       g(['arb_framebuffer_no_attachments-atomic'])
>> +    g(['arb_framebuffer_no_attachments-query'])
>>
>>   # Group ARB_explicit_uniform_location
>>   with profile.group_manager(
>> diff --git a/tests/spec/arb_framebuffer_no_attachments/CMakeLists.gl.txt
>> b/tests/spec/arb_framebuffer_no_attachments/CMakeLists.gl.txt
>> index 3b0cb5e..bbc3177 100755
>> --- a/tests/spec/arb_framebuffer_no_attachments/CMakeLists.gl.txt
>> +++ b/tests/spec/arb_framebuffer_no_attachments/CMakeLists.gl.txt
>> @@ -11,3 +11,4 @@ link_libraries (
>>   piglit_add_executable (arb_framebuffer_no_attachments-minmax minmax.c)
>>   piglit_add_executable (arb_framebuffer_no_attachments-params params.c)
>>   piglit_add_executable (arb_framebuffer_no_attachments-atomic atomic.c)
>> +piglit_add_executable (arb_framebuffer_no_attachments-query query.c)
>> diff --git a/tests/spec/arb_framebuffer_no_attachments/query.c
>> b/tests/spec/arb_framebuffer_no_attachments/query.c
>> new file mode 100644
>> index 0000000..e1d921c
>> --- /dev/null
>> +++ b/tests/spec/arb_framebuffer_no_attachments/query.c
>> @@ -0,0 +1,178 @@
>> +/*
>> + * Copyright © 2015 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.
>> + */
>> +
>> +/**
>> + * \file query.c
>> + *
>> + * Test occlusion queries with when a framebuffer with no attachments is
>> bound.
>> + */
>> +
>> +#include "piglit-util-gl.h"
>> +
>> +PIGLIT_GL_TEST_CONFIG_BEGIN
>> +
>> +       config.supports_gl_core_version = 31;
>> +
>> +PIGLIT_GL_TEST_CONFIG_END
>> +
>> +const char *vs_source =
>> +       "#version 140\n"
>> +       "in vec4 piglit_vertex;\n"
>> +       "void main() {\n"
>> +       "       gl_Position = piglit_vertex;\n"
>> +       "}\n";
>> +
>> +const char *fs_source =
>> +       "#version 140\n"
>> +       "out vec4 color;\n"
>> +       "uniform int v = 0;\n"
>> +       "void main() {\n"
>> +       "       if (v != 0 && (int(gl_FragCoord.x) % 2) == 0) discard;\n"
>> +       "       color = vec4(1);\n"
>> +       "}\n";
>> +
>> +static GLuint query;
>> +
>> +enum piglit_result
>> +piglit_display(void)
>> +{
>> +       return PIGLIT_FAIL;
>> +}
>> +
>> +static bool
>> +compare_counter(uint32_t value, const char *subtest)
>> +{
>> +       /* Map atomic buffer and check that we have expected results. */
>> +       bool result = false;
>> +       uint32_t samples;
>> +       glGetQueryObjectuiv(query, GL_QUERY_RESULT, &samples);
>> +       result = (samples == value);
>> +       if (!result)
>> +               fprintf(stderr, "%s (subtest %s): expected %u, got %u\n",
>> +                       __func__, subtest, value, samples);
>> +       piglit_report_subtest_result(result ? PIGLIT_PASS : PIGLIT_FAIL,
>> +               "%s", subtest);
>> +       return result;
>> +}
>> +
>> +void
>> +piglit_init(int argc, char **argv)
>> +{
>> +       GLuint buffer, fbo, vao;
>> +       GLint prog;
>> +       bool pass = true;
>> +
>> +       piglit_require_gl_version(31);
>> +       piglit_require_extension("GL_ARB_framebuffer_no_attachments");
>> +
>> +       glGenQueries(1, &query);
>> +
>> +       /* Create fbo with no attachments. */
>> +       glGenFramebuffers(1, &fbo);
>> +       glBindFramebuffer(GL_FRAMEBUFFER, fbo);
>> +
>> +       /* Setup default width and height. */
>> +       glFramebufferParameteri(GL_FRAMEBUFFER,
>> +               GL_FRAMEBUFFER_DEFAULT_WIDTH, piglit_width);
>> +       glFramebufferParameteri(GL_FRAMEBUFFER,
>> +               GL_FRAMEBUFFER_DEFAULT_HEIGHT, piglit_height);
>> +
>> +       /* Check that fbo is marked complete. */
>> +       if (glCheckFramebufferStatus(GL_FRAMEBUFFER) !=
>> +               GL_FRAMEBUFFER_COMPLETE)
>> +               piglit_report_result(PIGLIT_FAIL);
>> +
>> +       prog = piglit_build_simple_program(vs_source, fs_source);
>> +
>> +       /* Check that there are no errors. */
>> +       if (!prog || !piglit_check_gl_error(GL_NO_ERROR))
>> +               piglit_report_result(PIGLIT_FAIL);
>> +
>> +       glUseProgram(prog);
>> +       if (!piglit_check_gl_error(GL_NO_ERROR))
>> +               piglit_report_result(PIGLIT_FAIL);
>> +
>> +       /* Render rectangle using our program. */
>> +       glGenVertexArrays(1, &vao);
>> +       glBindVertexArray(vao);
>> +
>> +       glBeginQuery(GL_SAMPLES_PASSED, query);
>> +       piglit_draw_rect(-1, -1, 2, 2);
>> +       glEndQuery(GL_SAMPLES_PASSED);
>> +
>> +       pass &= compare_counter(piglit_width * piglit_height, "Basic");
>> +
>> +       /* Set 1x1 scissor rectangle. */
>> +       glEnable(GL_SCISSOR_TEST);
>> +       glScissor(0, 0, 1, 1);
>> +
>> +       glBeginQuery(GL_SAMPLES_PASSED, query);
>> +       piglit_draw_rect(-1, -1, 2, 2);
>> +       glEndQuery(GL_SAMPLES_PASSED);
>> +
>> +       glDisable(GL_SCISSOR_TEST);
>> +
>> +       pass &= compare_counter(1, "glScissor");
>> +
>> +       /* Set 2x2 viewport. */
>> +       glViewport(0, 0, 2, 2);
>> +
>> +       glBeginQuery(GL_SAMPLES_PASSED, query);
>> +       piglit_draw_rect(-1, -1, 2, 2);
>> +       glEndQuery(GL_SAMPLES_PASSED);
>> +
>> +       pass &= compare_counter(4, "glViewport");
>> +
>> +       /* Set the uniform to 1 so that even x's are discarded */
>> +       glViewport(0, 0, piglit_width, piglit_height);
>> +       glUniform1i(glGetUniformLocation(prog, "v"), 1);
>> +
>> +       glBeginQuery(GL_SAMPLES_PASSED, query);
>> +       piglit_draw_rect(-1, -1, 2, 2);
>> +       glEndQuery(GL_SAMPLES_PASSED);
>> +
>> +       pass &= compare_counter(piglit_width * piglit_height / 2,
>> "discard");
>> +
>> +       /* Change the fb size */
>> +       glUniform1i(glGetUniformLocation(prog, "v"), 0);
>> +       glFramebufferParameteri(GL_FRAMEBUFFER,
>> +               GL_FRAMEBUFFER_DEFAULT_WIDTH, piglit_width / 2);
>> +       glFramebufferParameteri(GL_FRAMEBUFFER,
>> +               GL_FRAMEBUFFER_DEFAULT_HEIGHT, piglit_height / 2);
>> +       /* don't check completeness. */
>> +
>> +       glBeginQuery(GL_SAMPLES_PASSED, query);
>> +       piglit_draw_rect(-1, -1, 2, 2);
>> +       glEndQuery(GL_SAMPLES_PASSED);
>> +
>> +       pass &= compare_counter((piglit_width / 2) * (piglit_height / 2),
>> +                               "fb resize");
>> +
>> +       glDeleteFramebuffers(1, &fbo);
>> +       glDeleteVertexArrays(1, &vao);
>> +       glDeleteBuffers(1, &buffer);
>> +       glDeleteProgram(prog);
>> +       glDeleteQueries(1, &query);
>> +
>> +       piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
>> +}
>>
>


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