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
draw(struct egl_state * state)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
main(int argc,char * argv[])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 }
108