1 /*
2  * Copyright © 2011 Intel Corporation
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 
26 /**
27  * @file dlist.c
28  *
29  * Tests that glRenderbufferStorageMultisampleEXT is executed
30 immediately instead of being compiled into display lists.
31  *
32  * From the EXT_framebuffer_multisample spec:
33  *
34  *     "Certain commands, when called while compiling a display list,
35  *      are not compiled into the display list but are executed
36  *      immediately.  These are: ...,
37  *      RenderbufferStorageMultisampleEXT..."
38  */
39 
40 PIGLIT_GL_TEST_CONFIG_BEGIN
41 
42 	config.supports_gl_compat_version = 10;
43 
44 	config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
45 	config.khr_no_error_support = PIGLIT_NO_ERRORS;
46 
47 PIGLIT_GL_TEST_CONFIG_END
48 
49 enum piglit_result
piglit_display(void)50 piglit_display(void)
51 {
52 	/* UNREACHED */
53 	return PIGLIT_FAIL;
54 }
55 
56 void
piglit_init(int argc,char ** argv)57 piglit_init(int argc, char **argv)
58 {
59 	GLint max_samples, rb_samples;
60 	GLuint rb, list;
61 	GLint width;
62 	bool pass = true;
63 
64 	piglit_require_extension("GL_EXT_framebuffer_multisample");
65 
66 	glGetIntegerv(GL_MAX_SAMPLES, &max_samples);
67 	if (!piglit_check_gl_error(0))
68 		piglit_report_result(PIGLIT_FAIL);
69 
70 	glGenRenderbuffersEXT(1, &rb);
71 	glBindRenderbufferEXT(GL_RENDERBUFFER, rb);
72 
73 	/* Make the list.  The Storage should be called during compile. */
74 	list = glGenLists(1);
75 	glNewList(list, GL_COMPILE);
76 	glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER,
77 					    max_samples,
78 					    GL_RGBA,
79 					    1, 1);
80 	glEndList();
81 
82 	/* Make sure that the command occurred during the compile. */
83 	glGetRenderbufferParameterivEXT(GL_RENDERBUFFER,
84 					GL_RENDERBUFFER_SAMPLES,
85 					&rb_samples);
86 	if (rb_samples != max_samples) {
87 		fprintf(stderr, "glRenderbufferStorageMultisampleEXT not called during "
88 			"display list compile\n");
89 		pass = false;
90 	}
91 
92 
93 	/* Now, make sure that it doesn't occur at execute.  Start
94 	 * with storage of a different size so we can distinguish.
95 	 */
96 	glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER,
97 					    max_samples,
98 					    GL_RGBA,
99 					    2, 2);
100 
101 	glCallList(list);
102 	glGetRenderbufferParameterivEXT(GL_RENDERBUFFER,
103 					GL_RENDERBUFFER_WIDTH,
104 					&width);
105 
106 	if (width != 2) {
107 		fprintf(stderr, "glRenderbufferStorageMultisampleEXT called "
108 			"during display list execute");
109 		pass = false;
110 	}
111 
112 	glDeleteRenderbuffersEXT(1, &rb);
113 
114 	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
115 }
116