diff options
author | Paul Berry <stereotype441@gmail.com> | 2013-06-03 14:48:05 -0700 |
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committer | Paul Berry <stereotype441@gmail.com> | 2013-06-20 18:42:27 +0300 |
commit | e1473539a8610862b1a346e9ed49badc96d400b1 (patch) | |
tree | da89a79d4792285cd0e6978afbfa8167c0437113 /tests/fast_color_clear | |
parent | 9752b8c23aab52fde91facc20ced9f856451f829 (diff) |
Test that fast color clears are resolved even if front rendering intervenes.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Diffstat (limited to 'tests/fast_color_clear')
-rw-r--r-- | tests/fast_color_clear/CMakeLists.gl.txt | 1 | ||||
-rw-r--r-- | tests/fast_color_clear/front-buffer-distraction.c | 86 |
2 files changed, 87 insertions, 0 deletions
diff --git a/tests/fast_color_clear/CMakeLists.gl.txt b/tests/fast_color_clear/CMakeLists.gl.txt index 792d42ae4..d1c8770c8 100644 --- a/tests/fast_color_clear/CMakeLists.gl.txt +++ b/tests/fast_color_clear/CMakeLists.gl.txt @@ -13,5 +13,6 @@ link_libraries ( piglit_add_executable (fcc-read-after-clear read-after-clear.c) piglit_add_executable (fcc-read-to-pbo-after-clear read-to-pbo-after-clear.c) piglit_add_executable (fcc-blit-between-clears blit-between-clears.c) +piglit_add_executable (fcc-front-buffer-distraction front-buffer-distraction.c) # vim: ft=cmake: diff --git a/tests/fast_color_clear/front-buffer-distraction.c b/tests/fast_color_clear/front-buffer-distraction.c new file mode 100644 index 000000000..14e9aef55 --- /dev/null +++ b/tests/fast_color_clear/front-buffer-distraction.c @@ -0,0 +1,86 @@ +/* + * Copyright © 2013 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 front-buffer-distraction.c + * + * Test that a fast color clear of the back buffer is properly + * resolved even if we try to "distract" the implementation by forcing + * a fast color clear resolve in the front buffer. This verifies that + * either (a) fast color clears are independently tracked between the + * front and back buffers, or (b) the implementation resolves fast + * clears before switching from back buffer rendering to front buffer + * rendering. + * + * The test operates by fast clearing the back buffer, then fast + * clearing the front buffer, then reading from the front buffer + * (forcing a front buffer resolve), then reading from the back buffer + * (forcing a back buffer resolve). + */ + +#include "piglit-util-gl-common.h" + +PIGLIT_GL_TEST_CONFIG_BEGIN + config.supports_gl_compat_version = 11; + config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA; +PIGLIT_GL_TEST_CONFIG_END + + +void +piglit_init(int argc, char **argv) +{ +} + +enum piglit_result +piglit_display(void) +{ + bool pass = true; + static const GLfloat green[] = { 0.0, 1.0, 0.0, 1.0 }; + static const GLfloat red[] = { 1.0, 0.0, 0.0, 1.0 }; + + /* Clear the back buffer to green */ + glClearColor(0, 1, 0, 1); + glClear(GL_COLOR_BUFFER_BIT); + + /* Clear the front buffer to red */ + glDrawBuffer(GL_FRONT); + glClearColor(1, 0, 0, 1); + glClear(GL_COLOR_BUFFER_BIT); + glDrawBuffer(GL_BACK); + + /* Read from the front buffer and make sure that it's red */ + glReadBuffer(GL_FRONT); + pass = piglit_probe_rect_rgba(0, 0, piglit_width, + piglit_height, red) && pass; + glReadBuffer(GL_BACK); + + /* Read from the back buffer and make sure that it's green */ + pass = piglit_probe_rect_rgba(0, 0, piglit_width, + piglit_height, green) && pass; + + if (!piglit_check_gl_error(GL_NO_ERROR)) + pass = false; + + piglit_present_results(); + return pass ? PIGLIT_PASS : PIGLIT_FAIL; +} |