Tests that array fits in to the boundaries of defined by the spec. Signed-off-by: Tapani Pälli <[email protected]> --- tests/all.py | 1 + .../CMakeLists.gl.txt | 1 + .../arb_explicit_uniform_location/array-toobig.c | 105 +++++++++++++++++++++ 3 files changed, 107 insertions(+) create mode 100644 tests/spec/arb_explicit_uniform_location/array-toobig.c
diff --git a/tests/all.py b/tests/all.py index 03202cd..8f074c7 100644 --- a/tests/all.py +++ b/tests/all.py @@ -1927,6 +1927,7 @@ import_glsl_parser_tests(arb_explicit_uniform_location, add_plain_test(arb_explicit_uniform_location, 'arb_explicit_uniform_location-minmax') add_plain_test(arb_explicit_uniform_location, 'arb_explicit_uniform_location-boundaries') add_plain_test(arb_explicit_uniform_location, 'arb_explicit_uniform_location-array-elements') +add_plain_test(arb_explicit_uniform_location, 'arb_explicit_uniform_location-array-toobig') arb_texture_buffer_object = Group() spec['ARB_texture_buffer_object'] = arb_texture_buffer_object diff --git a/tests/spec/arb_explicit_uniform_location/CMakeLists.gl.txt b/tests/spec/arb_explicit_uniform_location/CMakeLists.gl.txt index 481922e..90d15f9 100644 --- a/tests/spec/arb_explicit_uniform_location/CMakeLists.gl.txt +++ b/tests/spec/arb_explicit_uniform_location/CMakeLists.gl.txt @@ -12,3 +12,4 @@ link_libraries ( piglit_add_executable (arb_explicit_uniform_location-minmax minmax.c) piglit_add_executable (arb_explicit_uniform_location-boundaries loc-minmax.c) piglit_add_executable (arb_explicit_uniform_location-array-elements array-elements.c) +piglit_add_executable (arb_explicit_uniform_location-array-toobig array-toobig.c) diff --git a/tests/spec/arb_explicit_uniform_location/array-toobig.c b/tests/spec/arb_explicit_uniform_location/array-toobig.c new file mode 100644 index 0000000..4f71560 --- /dev/null +++ b/tests/spec/arb_explicit_uniform_location/array-toobig.c @@ -0,0 +1,105 @@ +/* + * 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. + */ + +/** + * \file array-toobig.c + * + * Tests that array size cannot exceed GL_MAX_UNIFORM_LOCATIONS - 1 + * + * https://www.opengl.org/registry/specs/ARB/explicit_uniform_location.txt + * + * Specification states : "The explicitly defined locations and the generated + * locations must be in the range of 0 to + * MAX_UNIFORM_LOCATIONS minus one." + */ +#include "piglit-util-gl-common.h" + +PIGLIT_GL_TEST_CONFIG_BEGIN + + config.supports_gl_compat_version = 20; + config.window_visual = PIGLIT_GL_VISUAL_RGB; + +PIGLIT_GL_TEST_CONFIG_END + +enum piglit_result +piglit_display(void) +{ + return PIGLIT_FAIL; +} + +const char v_sha[] = +"vec4 vertex;\n" +"void main() {\n" +"gl_Position = vertex;\n" +"}"; + +const char fshader_main[] = +"#extension GL_ARB_explicit_uniform_location: require\n" +"layout(location = %d) uniform float a[%d];\n" +"layout(location = %d) uniform float r;\n" +"layout(location = %d) uniform float g;\n" +"layout(location = %d) uniform float b;\n" +"void main() {\n" +"gl_FragColor = vec4(r, g, b, a[%d]);\n" +"}"; + +static bool +test() +{ + GLuint prog; + GLint link_status; + int maxloc, array_size; + char f_sha[512]; + unsigned i; + + glGetIntegerv(GL_MAX_UNIFORM_LOCATIONS, &maxloc); + + if (!piglit_check_gl_error(GL_NO_ERROR)) + return false; + + array_size = maxloc; + + snprintf(f_sha, 512, fshader_main, + 0, /* array location */ + array_size, + 0, + 1, + 2, + array_size - 1); + + prog = piglit_build_simple_program_unlinked(v_sha, f_sha); + + glLinkProgram(prog); + glGetProgramiv(prog, GL_LINK_STATUS, &link_status); + glDeleteProgram(prog); + + /* link_status is expected to be GL_FALSE */ + return !link_status; +} + +void +piglit_init(int argc, char **argv) +{ + piglit_require_extension("GL_ARB_explicit_uniform_location"); + piglit_report_result(test() ? PIGLIT_PASS : PIGLIT_FAIL); +} -- 1.8.3.1 _______________________________________________ Piglit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/piglit
