1 /* Copyright © 2011 Intel Corporation
2  *
3  * Permission is hereby granted, free of charge, to any person obtaining a
4  * copy of this software and associated documentation files (the "Software"),
5  * to deal in the Software without restriction, including without limitation
6  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
7  * and/or sell copies of the Software, and to permit persons to whom the
8  * Software is furnished to do so, subject to the following conditions:
9  *
10  * The above copyright notice and this permission notice (including the next
11  * paragraph) shall be included in all copies or substantial portions of the
12  * Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
20  * IN THE SOFTWARE.
21  */
22 
23 #include "piglit-util-gl.h"
24 
25 /**
26  * @file delete-repeat.c
27  *
28  * Tests that refcounting of deleted shader objects is correct when
29  * glDeleteProgram() is called multiple times.
30  */
31 
32 PIGLIT_GL_TEST_CONFIG_BEGIN
33 
34 	config.supports_gl_compat_version = 10;
35 
36 	config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
37 
38 	config.khr_no_error_support = PIGLIT_NO_ERRORS;
39 
40 PIGLIT_GL_TEST_CONFIG_END
41 
42 static const char *vs_source =
43 	"void main()\n"
44 	"{"
45 	"	gl_Position = gl_Vertex;\n"
46 	"}\n";
47 
48 static const char *fs_source =
49 	"void main()\n"
50 	"{"
51 	"	gl_FragColor = vec4(0.0, 1.0, 0.0, 0.0);\n"
52 	"}\n";
53 
54 enum piglit_result
piglit_display(void)55 piglit_display(void)
56 {
57 	bool pass = true;
58 	GLuint prog;
59 	float green[] = {0.0, 1.0, 0.0, 0.0};
60 	GLint status;
61 
62 	/* Initial buffer clear. */
63 	glClearColor(1.0, 0.0, 0.0, 0.0);
64 	glClear(GL_COLOR_BUFFER_BIT);
65 
66 	prog = piglit_build_simple_program(vs_source, fs_source);
67 
68 	glUseProgram(prog);
69 	glDeleteProgram(prog);
70 
71 	/* Try to blow out the refcount */
72 	glDeleteProgram(prog);
73 	glDeleteProgram(prog);
74 	glDeleteProgram(prog);
75 
76 	/* Sanity check: deleting didn't already unbind our shader program. */
77 	piglit_draw_rect(-1, -1, 2, 2);
78 	pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height,
79 				      green) && pass;
80 
81 	/* The program should still report being deleted. */
82 	glGetProgramiv(prog, GL_DELETE_STATUS, &status);
83 	if (!piglit_check_gl_error(0))
84 		piglit_report_result(PIGLIT_FAIL);
85 	if (status != GL_TRUE) {
86 		fprintf(stderr,
87 			"GL_DELETE_STATUS after a clear reported non-true %d\n",
88 			status);
89 		pass = false;
90 	}
91 
92 	/* Now, disable the program and it should be finally deleted. */
93 	glUseProgram(0);
94 
95 	if (!piglit_khr_no_error) {
96 		glGetProgramiv(prog, GL_DELETE_STATUS, &status);
97 		pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
98 	}
99 
100 	piglit_present_results();
101 
102 	return pass ? PIGLIT_PASS : PIGLIT_FAIL;
103 }
104 
105 void
piglit_init(int argc,char ** argv)106 piglit_init(int argc, char **argv)
107 {
108 	piglit_require_vertex_shader();
109 	piglit_require_fragment_shader();
110 }
111