Signed-off-by: Tapani Pälli <[email protected]> --- tests/all.py | 1 + .../CMakeLists.gl.txt | 1 + .../array-outofspace.c | 107 +++++++++++++++++++++ 3 files changed, 109 insertions(+) create mode 100644 tests/spec/arb_explicit_uniform_location/array-outofspace.c
diff --git a/tests/all.py b/tests/all.py index f4e867c..57d4d18 100644 --- a/tests/all.py +++ b/tests/all.py @@ -1929,6 +1929,7 @@ add_plain_test(arb_explicit_uniform_location, 'arb_explicit_uniform_location-bou 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') add_plain_test(arb_explicit_uniform_location, 'arb_explicit_uniform_location-array-overlap') +add_plain_test(arb_explicit_uniform_location, 'arb_explicit_uniform_location-array-outofspace') add_plain_test(arb_explicit_uniform_location, 'arb_explicit_uniform_location-loc-overlap') add_plain_test(arb_explicit_uniform_location, 'arb_explicit_uniform_location-loc-2different') add_plain_test(arb_explicit_uniform_location, 'arb_explicit_uniform_location-loc-setonce') diff --git a/tests/spec/arb_explicit_uniform_location/CMakeLists.gl.txt b/tests/spec/arb_explicit_uniform_location/CMakeLists.gl.txt index 933ddee..3e60776 100644 --- a/tests/spec/arb_explicit_uniform_location/CMakeLists.gl.txt +++ b/tests/spec/arb_explicit_uniform_location/CMakeLists.gl.txt @@ -14,6 +14,7 @@ piglit_add_executable (arb_explicit_uniform_location-boundaries loc-boundaries.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) piglit_add_executable (arb_explicit_uniform_location-array-overlap array-overlap.c) +piglit_add_executable (arb_explicit_uniform_location-array-outofspace array-outofspace.c) piglit_add_executable (arb_explicit_uniform_location-loc-overlap loc-overlap.c) piglit_add_executable (arb_explicit_uniform_location-loc-2different loc-2different.c) piglit_add_executable (arb_explicit_uniform_location-loc-setonce loc-setonce.c) diff --git a/tests/spec/arb_explicit_uniform_location/array-outofspace.c b/tests/spec/arb_explicit_uniform_location/array-outofspace.c new file mode 100644 index 0000000..d37cba9 --- /dev/null +++ b/tests/spec/arb_explicit_uniform_location/array-outofspace.c @@ -0,0 +1,107 @@ +/* + * 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-outofspace.c + * + * Tests situation where explicit locations cause fragmentation so that + * there is not enough space for all uniforms to fit. There are 3 arrays where + * 2 of them have explicit locations and consume available space so that + * third one won't fit. + * + * https://www.opengl.org/registry/specs/ARB/explicit_uniform_location.txt + * + */ +#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 b[%d];\n" + "uniform float c[%d];\n" + "void main() {\n" + "gl_FragColor = vec4(a[%d], b[%d], c[%d], 1.0);\n" + "}"; + +void +piglit_init(int argc, char **argv) +{ + GLuint prog; + GLint link_status; + int maxloc; + char *f_sha; + unsigned i, ab_size, c_size; + + piglit_require_extension("GL_ARB_explicit_uniform_location"); + + glGetIntegerv(GL_MAX_UNIFORM_LOCATIONS, &maxloc); + + if (!piglit_check_gl_error(GL_NO_ERROR)) + return false; + + /* a and b consume almost everything but leave some empty space */ + ab_size = (maxloc / 2) - 8; + + /* c would need third of available space but does not fit */ + c_size = maxloc / 3; + + if (asprintf(&f_sha, fshader_main, + 0, /* a loc*/ + ab_size, + ab_size + 1, /* b loc*/ + ab_size, + ab_size + 1 + ab_size + 1, /* c loc */ + ab_size - 1, + ab_size - 1, + c_size - 1) == -1) + piglit_report_result(PIGLIT_FAIL); + + prog = piglit_build_simple_program_unlinked(v_sha, f_sha); + free(f_sha); + + glLinkProgram(prog); + glGetProgramiv(prog, GL_LINK_STATUS, &link_status); + glDeleteProgram(prog); + + /* link_status is expected to be GL_FALSE */ + piglit_report_result(link_status ? PIGLIT_FAIL : PIGLIT_PASS); +} -- 1.8.3.1 _______________________________________________ Piglit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/piglit
