--- tests/general/CMakeLists.gl.txt | 1 + tests/general/scissor-depth-clear-negative-xy.c | 104 ++++++++++++++++++++++++ 2 files changed, 105 insertions(+) create mode 100644 tests/general/scissor-depth-clear-negative-xy.c
diff --git a/tests/general/CMakeLists.gl.txt b/tests/general/CMakeLists.gl.txt index 3a46fb0..a5badb9 100644 --- a/tests/general/CMakeLists.gl.txt +++ b/tests/general/CMakeLists.gl.txt @@ -103,6 +103,7 @@ piglit_add_executable (scissor-bitmap scissor-bitmap.c) piglit_add_executable (scissor-clear scissor-clear.c) piglit_add_executable (scissor-copypixels scissor-copypixels.c) piglit_add_executable (scissor-depth-clear scissor-depth-clear.c) +piglit_add_executable (scissor-depth-clear-negative-xy scissor-depth-clear-negative-xy.c) piglit_add_executable (scissor-many scissor-many.c) piglit_add_executable (scissor-offscreen scissor-offscreen.c) piglit_add_executable (scissor-polygon scissor-polygon.c) diff --git a/tests/general/scissor-depth-clear-negative-xy.c b/tests/general/scissor-depth-clear-negative-xy.c new file mode 100644 index 0000000..47202ca --- /dev/null +++ b/tests/general/scissor-depth-clear-negative-xy.c @@ -0,0 +1,104 @@ +/* + * Copyright © 2009, 2016 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. + * + * Authors: + * Eric Anholt <[email protected]> + * Matt Turner <[email protected]> + * + */ + +/** @file scissor-depth-clear-negative-xy.c + * + * Tests that glScissor properly affects glClear(GL_DEPTH_BUFFER_BIT) when + * x or y is negative. + */ + +#include "piglit-util-gl.h" + +PIGLIT_GL_TEST_CONFIG_BEGIN + + config.supports_gl_compat_version = 10; + + config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DEPTH | PIGLIT_GL_VISUAL_STENCIL; + +PIGLIT_GL_TEST_CONFIG_END + +enum piglit_result +piglit_display(void) +{ + GLboolean pass = GL_TRUE; + static float green[] = {0.0, 1.0, 0.0, 0.0}; + static float blue[] = {0.0, 0.0, 1.0, 0.0}; + + /* whole window green -- depth fail will be this. */ + glClearColor(0.0, 1.0, 0.0, 0.0); + glClear(GL_COLOR_BUFFER_BIT); + + /* Clear depth to 0 (fail) */ + glClearDepth(0.0); + glClear(GL_DEPTH_BUFFER_BIT); + + /* Clear depth quad the size of the fb at -16, -16 to be drawn blue. */ + glEnable(GL_SCISSOR_TEST); + glScissor(-16, -16, piglit_width, piglit_height); + glClearDepth(1.0); + glClear(GL_DEPTH_BUFFER_BIT); + + /* Now draw a quad midway between 0.0 and 1.0 depth so only that + * scissored depth clear will get rasterized. + */ + glEnable(GL_DEPTH_TEST); + glDisable(GL_SCISSOR_TEST); + glDepthFunc(GL_LESS); + glColor4fv(blue); + piglit_draw_rect(0, 0, piglit_width, piglit_height); + + pass &= piglit_probe_rect_rgb(0, 0, piglit_width - 16, piglit_height - 16, blue); + + pass &= piglit_probe_rect_rgb(piglit_width - 16, 0, 16, piglit_height, green); + pass &= piglit_probe_rect_rgb(0, piglit_height - 16, piglit_width - 16, 16, green); + + piglit_present_results(); + + return pass ? PIGLIT_PASS : PIGLIT_FAIL; +} + + +static void reshape(int width, int height) +{ + piglit_width = width; + piglit_height = height; + + glViewport(0, 0, width, height); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + + glOrtho(0.0, width, 0.0, height, -1.0, 1.0); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); +} + +void +piglit_init(int argc, char **argv) +{ + reshape(piglit_width, piglit_height); +} -- 2.7.3 _______________________________________________ Piglit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/piglit
