[Piglit] [PATCH] sso: Verify glActiveShaderProgram with invalid program parameter

Jordan Justen jljusten at gmail.com
Wed Feb 19 19:35:20 PST 2014


On Wed, Feb 19, 2014 at 4:55 PM, Ian Romanick <idr at freedesktop.org> wrote:
> From: Ian Romanick <ian.d.romanick at intel.com>
>
> There are several cases outlined in the GL 4.4 spec where
> glActiveShaderProgram should generate specific errors.  In addition,
> section 2.3.1 (Errors) says:
>
>     "Currently, when an error flag is set, results of GL operation are
>     undefined only if an OUT_OF_MEMORY error has occurred. In other
>     cases, there are no side effects unless otherwise noted; the command
>     which generates the error is ignored so that it has no effect on GL
>     state or framebuffer contents."
>
> After calling glActiveShaderProgram with an invalid parameter, verify
> that the active program state has not been modified.
>
> Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
> Cc: Jordan Justen <jordan.l.justen at intel.com>
> ---
>  tests/all.py                                       |   1 +
>  .../ActiveShaderProgram-invalid-program.c          | 171 +++++++++++++++++++++
>  .../arb_separate_shader_objects/CMakeLists.gl.txt  |   1 +
>  3 files changed, 173 insertions(+)
>  create mode 100644 tests/spec/arb_separate_shader_objects/ActiveShaderProgram-invalid-program.c
>
> diff --git a/tests/all.py b/tests/all.py
> index 8558ba6..f19763e 100644
> --- a/tests/all.py
> +++ b/tests/all.py
> @@ -1757,6 +1757,7 @@ add_concurrent_test(arb_occlusion_query, 'gen_delete_while_active')
>  # Group ARB_separate_shader_objects
>  arb_separate_shader_objects = Group()
>  spec['ARB_separate_shader_objects'] = arb_separate_shader_objects
> +arb_separate_shader_objects['ActiveShaderProgram with invalid program'] = concurrent_test('arb_separate_shader_object-ActiveShaderProgram-invalid-program')
>  arb_separate_shader_objects['GetProgramPipelineiv'] = concurrent_test('arb_separate_shader_object-GetProgramPipelineiv')
>  arb_separate_shader_objects['IsProgramPipeline'] = concurrent_test('arb_separate_shader_object-IsProgramPipeline')
>  arb_separate_shader_objects['UseProgramStages - non-separable program'] = concurrent_test('arb_separate_shader_object-UseProgramStages-non-separable')
> diff --git a/tests/spec/arb_separate_shader_objects/ActiveShaderProgram-invalid-program.c b/tests/spec/arb_separate_shader_objects/ActiveShaderProgram-invalid-program.c
> new file mode 100644
> index 0000000..89fd5e6
> --- /dev/null
> +++ b/tests/spec/arb_separate_shader_objects/ActiveShaderProgram-invalid-program.c
> @@ -0,0 +1,171 @@
> +/*
> + * Copyright © 2013 Intel Corporation

2014

> + * 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.
> + */
> +
> +/**
> + * \name ActiveShaderProgram-invalid-program.c
> + * Verify glActiveShaderProgram with invalid program parameter
> + *
> + * There are several cases outlined in the GL 4.4 spec where
> + * glActiveShaderProgram should generate specific errors.  In addition,
> + * section 2.3.1 (Errors) says:
> + *
> + *     "Currently, when an error flag is set, results of GL operation are
> + *     undefined only if an OUT_OF_MEMORY error has occurred. In other cases,
> + *     there are no side effects unless otherwise noted; the command which
> + *     generates the error is ignored so that it has no effect on GL state or
> + *     framebuffer contents."
> + *
> + * After calling glActiveShaderProgram with an invalid parameter, verify that
> + * the active program state has not been modified.
> + */
> +
> +#include "piglit-util-gl-common.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> +       config.supports_gl_compat_version = 20;
> +       config.supports_gl_core_version = 31;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +static const char vs_code_template[] =
> +       "#version %u\n"
> +       "void main() { gl_Position = vec4(0); }\n"
> +       ;
> +
> +static const char *const invalid_code =
> +       "#version 123456789\n"
> +       "void main() { gl_Position = jambon_bahn_mi(); }\n"

jambon_banh_mi?

or jambon_bánh_mì? :)

> +       ;
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> +       bool pass = true;
> +       GLuint pipe;
> +       GLuint vs_prog;
> +       GLuint active_prog;
> +       GLuint unlinked_prog;
> +       GLuint shader;
> +       unsigned glsl_version;
> +       bool es;
> +       int glsl_major;
> +       int glsl_minor;
> +       char *source;
> +
> +       piglit_require_extension("GL_ARB_separate_shader_objects");
> +
> +       piglit_get_glsl_version(&es, &glsl_major, &glsl_minor);
> +       glsl_version = ((glsl_major * 100) + glsl_minor) >= 140
> +               ? 140 : ((glsl_major * 100) + glsl_minor);
> +
> +       glGenProgramPipelines(1, &pipe);
> +       pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
> +
> +       glBindProgramPipeline(pipe);
> +
> +       asprintf(&source, vs_code_template, glsl_version);
> +       vs_prog = glCreateShaderProgramv(GL_VERTEX_SHADER, 1,
> +                                        (const GLchar *const *) &source);
> +       piglit_link_check_status(vs_prog);
> +
> +       /* First, make a valid program active.
> +        */
> +       glActiveShaderProgram(pipe, vs_prog);
> +       pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
> +
> +       /* Next, try to make an invalid program active and verify that the
> +        * correct error is generated.  Also make sure the old program is
> +        * still active.
> +        *
> +        * Section 7.4 (Program Pipeline Objects) under ActiveShaderProgram of
> +        * the OpenGL 4.4 spec says:
> +        *
> +        *     "An INVALID_VALUE error is generated if program is not zero and
> +        *     is not the name of either a program or shader object."
> +        */
> +       glActiveShaderProgram(pipe, ~vs_prog);

~vs_prog? not guaranteed, but probably fine...

> +       pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
> +
> +       glGetProgramPipelineiv(pipe, GL_ACTIVE_PROGRAM, (GLint *) &active_prog);
> +       if (active_prog != vs_prog) {
> +               printf("glActiveShaderProgram with an invalid program name "
> +                      "changed the active program state.\n");
> +               pass = false;
> +       }
> +
> +       /* Try the same thing with a valid shader object (that is not part of
> +        * a linked program).  Verify that the correct error is generated, and
> +        * make sure the old program is still active.
> +        *
> +        * Section 7.4 (Program Pipeline Objects) under ActiveShaderProgram of
> +        * the OpenGL 4.4 spec says:
> +        *
> +        *     "An INVALID_OPERATION error is generated if program is the name
> +        *     of a shader object."
> +        */
> +       shader = piglit_compile_shader_text(GL_VERTEX_SHADER, source);
> +       glActiveShaderProgram(pipe, shader);
> +       pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
> +
> +       glGetProgramPipelineiv(pipe, GL_ACTIVE_PROGRAM, (GLint *) &active_prog);
> +       if (active_prog != vs_prog) {

reset to vs_prog for next test?

> +               printf("glActiveShaderProgram with a shader object "
> +                      "changed the active program state.\n");
> +               pass = false;
> +       }
> +
> +       /* Finally, try the same thing with a valid program that is not lined.

linked

Reviewed-by: Jordan Justen <jordan.l.justen at intel.com>

> +        * Verify that the correct error is generated, and make sure the old
> +        * program is still active.
> +        *
> +        * Section 7.4 (Program Pipeline Objects) under ActiveShaderProgram of
> +        * the OpenGL 4.4 spec says:
> +        *
> +        *     "An INVALID_OPERATION error is generated if program is not zero
> +        *     and has not been linked, or was last linked unsuccessfully."
> +        */
> +       unlinked_prog = glCreateShaderProgramv(GL_VERTEX_SHADER, 1,
> +                                              (const GLchar *const *) &invalid_code);
> +
> +       glActiveShaderProgram(pipe, unlinked_prog);
> +       pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
> +
> +       glGetProgramPipelineiv(pipe, GL_ACTIVE_PROGRAM, (GLint *) &active_prog);
> +       if (active_prog != vs_prog) {
> +               printf("glActiveShaderProgram with an unlinked program "
> +                      "changed the active program state.\n");
> +               pass = false;
> +       }
> +
> +
> +       free(source);
> +       piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
> +}
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> +       /* UNREACHED */
> +       return PIGLIT_FAIL;
> +}
> diff --git a/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt b/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt
> index 2e2e1b8..397ff9a 100644
> --- a/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt
> +++ b/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt
> @@ -10,6 +10,7 @@ link_libraries (
>  )
>
>  piglit_add_executable (arb_separate_shader_object-400-combinations 400-combinations.c)
> +piglit_add_executable (arb_separate_shader_object-ActiveShaderProgram-invalid-program ActiveShaderProgram-invalid-program.c)
>  piglit_add_executable (arb_separate_shader_object-GetProgramPipelineiv GetProgramPipelineiv.c)
>  piglit_add_executable (arb_separate_shader_object-IsProgramPipeline IsProgramPipeline.c)
>  piglit_add_executable (arb_separate_shader_object-mix_pipeline_useprogram mix_pipeline_useprogram.c)
> --
> 1.8.1.4
>
> _______________________________________________
> Piglit mailing list
> Piglit at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/piglit


More information about the Piglit mailing list