1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*
* Copyright © 2010 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.
*/
/**
* \file useshaderprogram-bad-program.c
* Call glUseShaderProgramEXT with a bad program, verify the error generated
*
* \author Ian Romanick <ian.d.romanick@intel.com>
*/
#include "piglit-util.h"
PIGLIT_GL_TEST_MAIN(
100 /*window_width*/,
100 /*window_height*/,
GLUT_RGB | GLUT_DOUBLE)
static const char bad_vs_text[] =
"vec4 my_ftransform(void);\n"
"void main() { gl_Position = my_ftransform(); }";
static const char good_vs_text[] =
"void main() { gl_Position = gl_Vertex; }";
enum piglit_result
piglit_display(void)
{
return PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
enum piglit_result result = PIGLIT_PASS;
GLenum err;
GLint ok;
GLuint prog;
GLuint vs;
if (piglit_get_gl_version() < 20) {
printf("Requires OpenGL 2.0\n");
piglit_report_result(PIGLIT_SKIP);
}
piglit_require_extension("GL_EXT_separate_shader_objects");
printf("Trying shader with unresolved external symbol...\n");
vs = piglit_compile_shader_text(GL_VERTEX_SHADER, bad_vs_text);
prog = glCreateProgram();
glAttachShader(prog, vs);
glLinkProgram(prog);
glDeleteShader(vs);
ok = piglit_link_check_status_quiet(prog);
if (ok) {
fprintf(stderr,
"Linking with unresolved symbol succeeded when it "
"should have failed.\n");
piglit_report_result(PIGLIT_FAIL);
}
/* There shouldn't be any GL errors, but clear them all just to be
* sure.
*/
while (glGetError() != 0)
/* empty */ ;
/* The specified program is not linked. This should generate
* the error GL_INVALID_OPERATION.
*/
glUseShaderProgramEXT(GL_VERTEX_SHADER, prog);
err = glGetError();
if (err != GL_INVALID_OPERATION) {
printf("Unexpected OpenGL error state 0x%04x for "
"glUseShaderProgramEXT called with\n"
"an unlinked shader program (expected 0x%04x).\n",
err, GL_INVALID_OPERATION);
result = PIGLIT_FAIL;
}
glDeleteProgram(prog);
glUseProgram(0);
/* Try again with a shader program that could be linked but wasn't.
*/
printf("Trying unlinked, valid shader...\n");
vs = piglit_compile_shader_text(GL_VERTEX_SHADER, good_vs_text);
prog = glCreateProgram();
glAttachShader(prog, vs);
glDeleteShader(vs);
/* There shouldn't be any GL errors, but clear them all just to be
* sure.
*/
while (glGetError() != 0)
/* empty */ ;
/* The specified program is not linked. This should generate
* the error GL_INVALID_OPERATION.
*/
glUseShaderProgramEXT(GL_VERTEX_SHADER, prog);
err = glGetError();
if (err != GL_INVALID_OPERATION) {
printf("Unexpected OpenGL error state 0x%04x for "
"glUseShaderProgramEXT called with\n"
"an unlinked shader program (expected 0x%04x).\n",
err, GL_INVALID_OPERATION);
result = PIGLIT_FAIL;
}
glDeleteProgram(prog);
glUseProgram(0);
piglit_report_result(result);
}
|
