This tests a bug in Mesa where explicit locations are not taken into account when assigning varying locations which results in two inputs/outputs being given the same location.
Test results: Nvidia GeForce 840M - NVIDIA 352.41: pass i965 - Mesa 11.1-dev: fail Cc: Ian Romanick <ian.d.roman...@intel.com> Cc: Gregory Hainaut <gregory.hain...@gmail.com> --- tests/all.py | 2 + .../arb_separate_shader_objects/CMakeLists.gl.txt | 1 + .../mixed_explicit_and_non_explicit_locations.c | 158 +++++++++++++++++++++ 3 files changed, 161 insertions(+) create mode 100644 tests/spec/arb_separate_shader_objects/mixed_explicit_and_non_explicit_locations.c diff --git a/tests/all.py b/tests/all.py index 4d6c781..376cad0 100644 --- a/tests/all.py +++ b/tests/all.py @@ -2150,6 +2150,8 @@ with profile.group_manager( 'UseProgramStages - non-separable program') g(['arb_separate_shader_object-ProgramUniform-coverage'], 'ProgramUniform coverage') + g(['arb_separate_shader_object-mixed_explicit_and_non_explicit_locations', '-fbo'], + 'Mixed explicit and non-explicit locations', run_concurrent=False) g(['arb_separate_shader_object-rendezvous_by_location', '-fbo'], 'Rendezvous by location', run_concurrent=False) g(['arb_separate_shader_object-rendezvous_by_location-5-stages'], diff --git a/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt b/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt index f1b15c0..e8311e3 100644 --- a/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt +++ b/tests/spec/arb_separate_shader_objects/CMakeLists.gl.txt @@ -15,6 +15,7 @@ piglit_add_executable (arb_separate_shader_object-compat-builtins compat-builtin 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-ProgramUniform-coverage ProgramUniform-coverage.c) +piglit_add_executable (arb_separate_shader_object-mixed_explicit_and_non_explicit_locations mixed_explicit_and_non_explicit_locations.c) piglit_add_executable (arb_separate_shader_object-rendezvous_by_location rendezvous_by_location.c) piglit_add_executable (arb_separate_shader_object-rendezvous_by_location-3-stages rendezvous_by_location-3-stages.c) piglit_add_executable (arb_separate_shader_object-rendezvous_by_location-5-stages rendezvous_by_location-5-stages.c) diff --git a/tests/spec/arb_separate_shader_objects/mixed_explicit_and_non_explicit_locations.c b/tests/spec/arb_separate_shader_objects/mixed_explicit_and_non_explicit_locations.c new file mode 100644 index 0000000..d0ad73c --- /dev/null +++ b/tests/spec/arb_separate_shader_objects/mixed_explicit_and_non_explicit_locations.c @@ -0,0 +1,158 @@ +/* + * 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. + */ + +/** + * This tests a bug in Mesa where explicit locations are not taken into + * account when assigning varying locations which results in two + * inputs/outputs being given the same location. + */ +#include "piglit-util-gl.h" + +PIGLIT_GL_TEST_CONFIG_BEGIN + + config.supports_gl_compat_version = 10; + config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE; + +PIGLIT_GL_TEST_CONFIG_END + +static GLuint pipeline; + +static const char *vs_code_template = + "#version %d\n" + "#extension GL_ARB_separate_shader_objects: require\n" + "#extension GL_ARB_explicit_attrib_location: require\n" + "\n" + "layout(location = 0) in vec4 piglit_vertex;\n" + "\n" + "layout(location = 0) out vec3 a;\n" + "out vec3 d;\n" + "out vec3 e;\n" + "layout(location = 1) out vec3 b;\n" + "out vec3 f;\n" + "layout(location = 2) out vec3 c;\n" + "\n" + "void main()\n" + "{\n" + " gl_Position = piglit_vertex;\n" + " a = vec3(0.25, 0, 0);\n" + " b = vec3(0, 0.25, 0);\n" + " c = vec3(0, 0, 0.25);\n" + " d = vec3(0.5, 0, 0);\n" + " e = vec3(0, 0.5, 0);\n" + " f = vec3(0, 0, 0.5);\n" + "}\n" + ; + +static const char *fs_code_template = + "#version %d\n" + "#extension GL_ARB_separate_shader_objects: require\n" + "#extension GL_ARB_explicit_attrib_location: enable\n" + "\n" + "#if __VERSION__ >= 130\n" + "layout(location = 0) out vec4 out_color;\n" + "#else\n" + "#define out_color gl_FragColor\n" + "#endif\n" + "\n" + "layout(location = 0) in vec3 a; /* should get vec3(0.25, 0, 0) */\n" + "in vec3 d; /* should get vec3(0.5, 0, 0) */\n" + "in vec3 e; /* should get vec3(0, 0.5, 0) */\n" + "layout(location = 1) in vec3 b; /* should get vec3(0, 0.25, 0) */\n" + "in vec3 f; /* should get vec3(0, 0, 0.5) */\n" + "layout(location = 2) in vec3 c; /* should get vec3(0, 0, 0.25) */\n" + "\n" + "void main()\n" + "{\n" + " out_color = vec4(a.x + d.x, b.y + e.y, c.z + f.z, 1);\n" + "}\n" + ; + +enum piglit_result +piglit_display(void) +{ + static const float expected[] = { + 0.75f, 0.75f, 0.75f, 1.0f + }; + bool pass; + + glClearColor(0.1f, 0.1f, 0.1f, 0.1f); + glClear(GL_COLOR_BUFFER_BIT); + + glBindProgramPipeline(pipeline); + piglit_draw_rect(-1, -1, 2, 2); + + pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height, + expected); + + piglit_present_results(); + return pass ? PIGLIT_PASS : PIGLIT_FAIL; +} + +void piglit_init(int argc, char **argv) +{ + unsigned glsl_version; + GLuint vs_prog; + GLuint fs_prog; + bool es; + int glsl_major; + int glsl_minor; + char *source; + + piglit_require_vertex_shader(); + piglit_require_fragment_shader(); + piglit_require_extension("GL_ARB_separate_shader_objects"); + piglit_require_extension("GL_ARB_explicit_attrib_location"); + + /* Some NVIDIA drivers have issues with layout qualifiers, 'in' + * keywords, and 'out' keywords in "lower" GLSL versions. If the + * driver supports GLSL >= 1.40, use 1.40. Otherwise, pick the + * highest version that the driver supports. + */ + piglit_get_glsl_version(&es, &glsl_major, &glsl_minor); + glsl_version = ((glsl_major * 100) + glsl_minor) >= 140 + ? 140 : ((glsl_major * 100) + glsl_minor); + + asprintf(&source, vs_code_template, glsl_version); + vs_prog = glCreateShaderProgramv(GL_VERTEX_SHADER, 1, + (const GLchar *const *) &source); + piglit_link_check_status(vs_prog); + free(source); + + asprintf(&source, fs_code_template, glsl_version); + fs_prog = glCreateShaderProgramv(GL_FRAGMENT_SHADER, 1, + (const GLchar *const *) &source); + piglit_link_check_status(fs_prog); + free(source); + + glGenProgramPipelines(1, &pipeline); + glUseProgramStages(pipeline, + GL_VERTEX_SHADER_BIT, + vs_prog); + glUseProgramStages(pipeline, + GL_FRAGMENT_SHADER_BIT, + fs_prog); + piglit_program_pipeline_check_status(pipeline); + + if (!piglit_check_gl_error(0)) + piglit_report_result(PIGLIT_FAIL); +} -- 2.4.3 _______________________________________________ Piglit mailing list Piglit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/piglit