A basic test to check whether the values written to gl_SampleMaskIn are still correct after enabling the ARB_post_depth_coverage extension.
Signed-off-by: Plamena Manolova <plamena.manol...@intel.com> --- registry/gl.xml | 2 + tests/all.py | 5 + tests/spec/CMakeLists.txt | 1 + .../spec/arb_post_depth_coverage/CMakeLists.gl.txt | 11 ++ tests/spec/arb_post_depth_coverage/CMakeLists.txt | 1 + tests/spec/arb_post_depth_coverage/basic.c | 165 +++++++++++++++++++++ 6 files changed, 185 insertions(+) create mode 100644 tests/spec/arb_post_depth_coverage/CMakeLists.gl.txt create mode 100644 tests/spec/arb_post_depth_coverage/CMakeLists.txt create mode 100644 tests/spec/arb_post_depth_coverage/basic.c diff --git a/registry/gl.xml b/registry/gl.xml index 3fc8863..59894e8 100644 --- a/registry/gl.xml +++ b/registry/gl.xml @@ -38345,6 +38345,8 @@ typedef unsigned int GLhandleARB; <enum name="GL_ANY_SAMPLES_PASSED"/> </require> </extension> + <extension name="GL_ARB_post_depth_coverage" supported="gl|glcore"> + </extension> <extension name="GL_ARB_parallel_shader_compile" supported="gl"> <require> <enum name="GL_MAX_SHADER_COMPILER_THREADS_ARB"/> diff --git a/tests/all.py b/tests/all.py index e56cae8..d47187e 100644 --- a/tests/all.py +++ b/tests/all.py @@ -4766,6 +4766,11 @@ with profile.group_manager( g(['arb_shader_image_load_store-unused'], 'unused') with profile.group_manager( + PiglitGLTest, + grouptools.join('spec', 'arb_post_depth_coverage')) as g: + g(['arb_post_depth_coverage-basic']) + +with profile.group_manager( PiglitGLTest, grouptools.join('spec', 'arb_shader_image_size')) as g: g(['arb_shader_image_size-builtin'], 'builtin') diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt index a057c02..4377196 100644 --- a/tests/spec/CMakeLists.txt +++ b/tests/spec/CMakeLists.txt @@ -152,3 +152,4 @@ add_subdirectory (arb_query_buffer_object) add_subdirectory (ext_window_rectangles) add_subdirectory (arb_shader_texture_image_samples) add_subdirectory (arb_texture_barrier) +add_subdirectory (arb_post_depth_coverage) diff --git a/tests/spec/arb_post_depth_coverage/CMakeLists.gl.txt b/tests/spec/arb_post_depth_coverage/CMakeLists.gl.txt new file mode 100644 index 0000000..1a71774 --- /dev/null +++ b/tests/spec/arb_post_depth_coverage/CMakeLists.gl.txt @@ -0,0 +1,11 @@ +include_directories( + ${GLEXT_INCLUDE_DIR} + ${OPENGL_INCLUDE_PATH} +) + +link_libraries ( + piglitutil_${piglit_target_api} + ${OPENGL_gl_LIBRARY} +) + +piglit_add_executable (arb_post_depth_coverage-basic basic.c) diff --git a/tests/spec/arb_post_depth_coverage/CMakeLists.txt b/tests/spec/arb_post_depth_coverage/CMakeLists.txt new file mode 100644 index 0000000..144a306 --- /dev/null +++ b/tests/spec/arb_post_depth_coverage/CMakeLists.txt @@ -0,0 +1 @@ +piglit_include_target_api() diff --git a/tests/spec/arb_post_depth_coverage/basic.c b/tests/spec/arb_post_depth_coverage/basic.c new file mode 100644 index 0000000..e1bd71f --- /dev/null +++ b/tests/spec/arb_post_depth_coverage/basic.c @@ -0,0 +1,165 @@ +/* + * Copyright (c) 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. + */ + +#include "piglit-util-gl.h" + +PIGLIT_GL_TEST_CONFIG_BEGIN + config.supports_gl_compat_version = 45; + config.supports_gl_core_version = 45; + config.window_width = 160; + config.window_height = 160; + config.window_visual = PIGLIT_GL_VISUAL_DEPTH | PIGLIT_GL_VISUAL_RGBA; +PIGLIT_GL_TEST_CONFIG_END + +static GLuint prog, vao, ssbo; +static GLint *sample_mask; + +static GLuint +make_shader_program(void) +{ + static const char *vs_text = + "#version 430\n" + "in vec4 pos_in;\n" + "void main()\n" + "{\n" + " gl_Position = pos_in;\n" + "}\n"; + + static const char *fs_text = + "#version 430\n" + "out vec4 color;\n" + "layout(early_fragment_tests) in;\n" + "layout(post_depth_coverage) in;\n" + "layout(std430, binding = 0) buffer MaskOutput {" + " int data[25600];" + "} mask_output;" + "void main()\n" + "{\n" + " int index = int(gl_FragCoord.y) * 160 + int(gl_FragCoord.x);\n" + " mask_output.data[index] = gl_SampleMaskIn[0] & 0x1;\n" + " color = vec4(1.0, 0.0, 0.0, 1.0);\n" + "}\n"; + + GLuint prog; + + prog = piglit_build_simple_program(vs_text, fs_text); + glUseProgram(prog); + + glBindAttribLocation(prog, 0, "pos_in"); + + glLinkProgram(prog); + + if (!piglit_check_gl_error(GL_NO_ERROR)) { + piglit_report_result(PIGLIT_FAIL); + } + + return prog; +} + +static void +make_ssbo(void) +{ + glGenBuffers(1, &ssbo); + glBindBuffer(GL_SHADER_STORAGE_BUFFER, ssbo); +} + +static GLuint +make_vao(void) +{ + static const float pos_tc[4][2] = { + { -1.0, -1.0 }, + { 1.0, -1.0 }, + { 1.0, 1.0 }, + { -1.0, 1.0 } + }; + const int stride = sizeof(pos_tc[0]); + GLuint vbo, vao; + + glGenVertexArrays(1, &vao); + glBindVertexArray(vao); + + glGenBuffers(1, &vbo); + glBindBuffer(GL_ARRAY_BUFFER, vbo); + glBufferData(GL_ARRAY_BUFFER, sizeof(pos_tc), pos_tc, GL_STATIC_DRAW); + piglit_check_gl_error(GL_NO_ERROR); + + glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, stride, (void *) 0); + + glEnableVertexAttribArray(0); + + if (!piglit_check_gl_error(GL_NO_ERROR)) { + piglit_report_result(PIGLIT_FAIL); + } + + return vbo; +} + + +void +piglit_init(int argc, char **argv) +{ + piglit_require_gl_version(45); + piglit_require_extension("GL_ARB_post_depth_coverage"); + prog = make_shader_program(); + vao = make_vao(); + make_ssbo(); +} + + +enum piglit_result +piglit_display(void) +{ + float red[4] = {1.0, 0.0, 0.0, 1.0}; + bool pass = true; + int i; + + glViewport(0, 0, piglit_width, piglit_height); + sample_mask = (GLint*) malloc (sizeof(GLint) * piglit_width * piglit_height); + glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(GLint) * piglit_width * + piglit_height, &sample_mask[0], GL_DYNAMIC_DRAW); + glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, ssbo); + + glClearColor(0.0, 0.0, 0.0, 1.0); + glClear(GL_COLOR_BUFFER_BIT); + glDrawArrays(GL_TRIANGLE_FAN, 0, 4); + + glMemoryBarrier(GL_BUFFER_UPDATE_BARRIER_BIT); + glGetBufferSubData(GL_SHADER_STORAGE_BUFFER, 0, sizeof(GLint) * + piglit_width * piglit_height, &sample_mask[0]); + + for (i = 0; i < piglit_width * piglit_height; i++) + { + if (sample_mask[i] != 1) { + pass = false; + break; + } + } + + pass = piglit_probe_rect_rgba(0, 0, 160, 160, red) && pass; + piglit_present_results(); + + pass = piglit_check_gl_error(GL_NO_ERROR) && pass; + + free(sample_mask); + return pass ? PIGLIT_PASS : PIGLIT_FAIL; +} -- 2.7.4 _______________________________________________ Piglit mailing list Piglit@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/piglit