diff options
Diffstat (limited to 'tests/spec/gl-3.0')
-rw-r--r-- | tests/spec/gl-3.0/api/CMakeLists.gl.txt | 1 | ||||
-rw-r--r-- | tests/spec/gl-3.0/api/clearbuffer-bug.c | 114 |
2 files changed, 115 insertions, 0 deletions
diff --git a/tests/spec/gl-3.0/api/CMakeLists.gl.txt b/tests/spec/gl-3.0/api/CMakeLists.gl.txt index 2df3eafe7..01131f9a5 100644 --- a/tests/spec/gl-3.0/api/CMakeLists.gl.txt +++ b/tests/spec/gl-3.0/api/CMakeLists.gl.txt @@ -22,5 +22,6 @@ piglit_add_executable (genmipmap-errors genmipmap-errors.c) piglit_add_executable (getfragdatalocation getfragdatalocation.c) piglit_add_executable (gl-3.0-forward-compatible-bit forward-compatible-bit.c) piglit_add_executable (integer-errors integer-errors.c) +piglit_add_executable (clearbuffer-bug clearbuffer-bug.c) # vim: ft=cmake: diff --git a/tests/spec/gl-3.0/api/clearbuffer-bug.c b/tests/spec/gl-3.0/api/clearbuffer-bug.c new file mode 100644 index 000000000..e0b3a6d59 --- /dev/null +++ b/tests/spec/gl-3.0/api/clearbuffer-bug.c @@ -0,0 +1,114 @@ +/* Copyright © 2020 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 clearbuffer-bug.c + * Verify clear buffer correctness. Based on test case in bug: + * https://gitlab.freedesktop.org/mesa/mesa/-/issues/3783 + */ +#include "piglit-util-gl.h" + +PIGLIT_GL_TEST_CONFIG_BEGIN + config.supports_gl_compat_version = 30; +PIGLIT_GL_TEST_CONFIG_END + +enum piglit_result +piglit_display(void) +{ + return PIGLIT_FAIL; +} + +const char *v_str = + "attribute vec4 piglit_vertex;\n" + "void main() {\n" + "gl_Position = piglit_vertex;\n" + "}"; + +const char* f_str = + "#version 110\n" + "void main() {\n" + "gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);\n" + "gl_FragDepth = 0.3;\n" + "}"; + +void piglit_init(int argc, char **argv) +{ + piglit_require_gl_version(30); + piglit_require_GLSL_version(110); + + bool pass = true; + + GLint program = piglit_build_simple_program(v_str, f_str); + + if (!program) + piglit_report_result(PIGLIT_FAIL); + + glUseProgram(program); + + /* Create depth/stencil texture. */ + GLuint ds_tex; + glGenTextures(1, &ds_tex); + glBindTexture(GL_TEXTURE_2D, ds_tex); + glTexStorage2D(GL_TEXTURE_2D, 1, GL_DEPTH32F_STENCIL8, 4, 4); + + /* Create color texture. */ + GLuint c_tex; + glGenTextures(1, &c_tex); + glBindTexture(GL_TEXTURE_2D, c_tex); + glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, 4, 4); + + /* Create fbo with attachments. */ + GLuint fbo; + glGenFramebuffers(1, &fbo); + glBindFramebuffer(GL_FRAMEBUFFER, fbo); + glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, c_tex, 0); + glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, ds_tex, 0); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + GLint error = glGetError(); + + if (status != GL_FRAMEBUFFER_COMPLETE) + piglit_report_result(PIGLIT_SKIP); + + if (error != 0) { + pass = false; + goto fail; + } + + glClearBufferfi(GL_DEPTH_STENCIL, 0, 0.3, 3); + + glEnable(GL_DEPTH_TEST); + glDepthFunc(GL_EQUAL); + + piglit_draw_rect(-1.0, -1.0, 2.0, 2.0); + + float expect[] = { 1, 0, 0, 1 }; + if (!piglit_probe_rect_rgba(0, 0, 4, 4, expect)) + pass = false; + +fail: + glDeleteTextures(1, &c_tex); + glDeleteTextures(1, &ds_tex); + glDeleteFramebuffers(1, &fbo); + glDeleteProgram(program); + piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL); +} |