tests/egl/egl-gl-colorspace.c

   1 /*
   2  * Copyright © 2015 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include "piglit-util-gl.h"
  25 #include "egl-util.h"
  26
  27 static bool test_srgb;
  28
  29 static enum piglit_result
  30 draw(struct egl_state *state)
  31 {
  32         enum piglit_result result = PIGLIT_PASS;
  33         float green[] = {0, 0.3, 0, 0};
  34         float expected_green[4];
  35         float expected_blend[4];
  36
  37         eglMakeCurrent(state->egl_dpy, state->surf, state->surf, state->ctx);
  38
  39         glViewport(0, 0, state->width, state->height);
  40         piglit_ortho_projection(state->width, state->height, GL_FALSE);
  41
  42         glClearColor(0.5, 0.5, 0.5, 1.0);
  43         glClear(GL_COLOR_BUFFER_BIT);
  44
  45         glColor4f(green[0], green[1], green[2], green[3]);
  46
  47         /* Draw first without blending. */
  48         piglit_draw_rect(0, 0, 20, 20);
  49
  50         /* Draw second with blending. */
  51         piglit_draw_rect(20, 0, 20, 20);
  52         glEnable(GL_BLEND);
  53         glBlendFunc(GL_ONE, GL_ONE);
  54         piglit_draw_rect(20, 0, 20, 20);
  55         glDisable(GL_BLEND);
  56
  57         /* Check first. */
  58         memcpy(expected_green, green, sizeof(float) * 4);
  59         if (test_srgb)
  60                 expected_green[1] = piglit_linear_to_srgb(green[1]);
  61         if (!piglit_probe_rect_rgb(0, 0, 20, 20, expected_green))
  62                 result = PIGLIT_FAIL;
  63
  64         /* Check second. */
  65         memcpy(expected_blend, green, sizeof(float) * 4);
  66         if (test_srgb)
  67                 expected_blend[1] = piglit_linear_to_srgb(green[1] * 2.0);
  68         else
  69                 expected_blend[1] *= 2;
  70         if (!piglit_probe_rect_rgb(20, 0, 20, 20, expected_blend))
  71                 result = PIGLIT_FAIL;
  72
  73         eglSwapBuffers(state->egl_dpy, state->surf);
  74         return result;
  75 }
  76
  77 int
  78 main(int argc, char *argv[])
  79 {
  80         struct egl_test test;
  81         const char *extensions[] = {"EGL_KHR_gl_colorspace", NULL};
  82         const EGLint surface_linear[] = {
  83                 EGL_GL_COLORSPACE_KHR, EGL_GL_COLORSPACE_LINEAR_KHR,
  84                 EGL_NONE
  85         };
  86         const EGLint surface_srgb[] = {
  87                 EGL_GL_COLORSPACE_KHR, EGL_GL_COLORSPACE_SRGB_KHR,
  88                 EGL_NONE
  89         };
  90         const EGLint test_attribs[] = {
  91                 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT,
  92                 EGL_NONE
  93         };
  94
  95         piglit_strip_arg(&argc, argv, "-fbo");
  96         test_srgb = piglit_strip_arg(&argc, argv, "srgb");
  97
  98         egl_init_test(&test);
  99         test.draw = draw;
 100         test.stop_on_failure = true;
 101         test.config_attribs = test_attribs;
 102         test.surface_attribs = test_srgb ? surface_srgb : surface_linear;
 103         test.extensions = extensions;
 104
 105         return egl_util_run(&test, argc, argv) == PIGLIT_PASS ? EXIT_SUCCESS
 106                                                               : EXIT_FAILURE;
 107 }