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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/*
* Copyright © 2014 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 uniform-namespace.c
* Verify that the namespace of uniforms is per program, not per pipeline
*/
#include "piglit-util-gl.h"
#include "sso-common.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.supports_gl_core_version = 31;
config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
PIGLIT_GL_TEST_CONFIG_END
static const char vs_template[] =
"#version %u\n"
"#extension GL_ARB_separate_shader_objects: require\n"
"#extension GL_ARB_explicit_attrib_location: require\n"
"\n"
"layout(location=0) in vec4 piglit_vertex;\n"
"\n"
"uniform vec4 a;\n"
"\n"
"void main()\n"
"{\n"
" gl_Position = piglit_vertex + a;\n"
"}"
;
static const char fs_template[] =
"#version %u\n"
"#extension GL_ARB_separate_shader_objects: require\n"
"#extension GL_ARB_explicit_attrib_location: require\n"
"\n"
"uniform vec4 a;\n"
"\n"
"#if __VERSION__ >= 130\n"
"layout(location = 0) out vec4 out_color;\n"
"#else\n"
"#define out_color gl_FragColor\n"
"#endif\n"
"\n"
"void main()\n"
"{\n"
" out_color = a;\n"
"}"
;
static GLuint vs = 0;
static GLuint fs = 0;
/**
* Location of the "a" uniform in the vertex shader program.
*/
static GLint loc_vs = -1;
/**
* Location of the "a" uniform in the fragment shader program.
*/
static GLint loc_fs = -1;
static GLuint
generate_program(const char *code_template, unsigned glsl_version,
GLenum program_target, GLint *uniform_loc)
{
char *code = NULL;
GLuint prog;
(void)!asprintf(&code, code_template, glsl_version);
prog = glCreateShaderProgramv(program_target, 1,
(const GLchar * const*) &code);
free(code);
if (!piglit_link_check_status(prog)) {
piglit_report_result(PIGLIT_FAIL);
}
*uniform_loc = glGetUniformLocation(prog, "a");
return prog;
}
void
piglit_init(int argc, char **argv)
{
GLuint pipe = 0;
unsigned glsl_version;
piglit_require_vertex_shader();
piglit_require_fragment_shader();
piglit_require_extension("GL_ARB_separate_shader_objects");
piglit_require_extension("GL_ARB_explicit_attrib_location");
glsl_version = pick_a_glsl_version();
vs = generate_program(vs_template, glsl_version, GL_VERTEX_SHADER,
&loc_vs);
fs = generate_program(fs_template, glsl_version, GL_FRAGMENT_SHADER,
&loc_fs);
if (vs == 0 || fs == 0)
piglit_report_result(PIGLIT_FAIL);
glGenProgramPipelines(1, &pipe);
glBindProgramPipeline(pipe);
glUseProgramStages(pipe, GL_VERTEX_SHADER_BIT, vs);
glUseProgramStages(pipe, GL_FRAGMENT_SHADER_BIT, fs);
if (!piglit_check_gl_error(0))
piglit_report_result(PIGLIT_FAIL);
}
enum piglit_result
piglit_display(void)
{
static const float gray[] = { 0.5, 0.5, 0.5, 1.0 };
static const float green[] = { 0.0, 1.0, 0.0, 0.0 };
static const float red[] = { 1.0, 0.0, 0.0, 0.0 };
bool pass = true;
glProgramUniform4fv(vs, loc_vs, 1, red);
glProgramUniform4fv(fs, loc_fs, 1, green);
glClearColor(gray[0], gray[1], gray[2], gray[3]);
glClear(GL_COLOR_BUFFER_BIT);
piglit_draw_rect(-1, -1, 1, 2);
pass = piglit_probe_rect_rgb(0, 0,
piglit_width / 2, piglit_height,
gray)
&& pass;
pass = piglit_probe_rect_rgb(piglit_width / 2, 0,
piglit_width / 2, piglit_height,
green)
&& pass;
piglit_present_results();
pass = piglit_check_gl_error(0) && pass;
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
|
