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
|
/*
* 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.
*
* Author: Chris Forbes <chrisf@ijw.co.nz>
*/
/**
* \file texsubimage-levels.c
* This tests that TexSubImage* into a view behaves correctly when the view
* has a nonzero MinLevel.
*
*/
#include "piglit-util-gl.h"
#include "common.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 15;
config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
PIGLIT_GL_TEST_CONFIG_END
enum piglit_result
piglit_display(void)
{
return PIGLIT_FAIL;
}
#define NUM_LEVELS 7
#define VIEW_MIN_LEVEL 2
#define VIEW_NUM_LEVELS 3
#define TEX_SIZE 64
void
piglit_init(int argc, char **argv)
{
GLuint tex, view;
int i, j;
bool pass = true;
piglit_require_extension("GL_ARB_texture_view");
/* build a texture with full miptree */
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
glTexStorage2D(GL_TEXTURE_2D, NUM_LEVELS,
GL_RGBA8, TEX_SIZE, TEX_SIZE);
for (i=0; i < NUM_LEVELS; i++) {
int dim = TEX_SIZE >> i;
GLubyte *pixels = create_solid_image(dim, dim, 1, 4, i);
if (!pixels) {
printf("Failed to allocate image for level %d\n", i);
piglit_report_result(PIGLIT_FAIL);
}
glTexSubImage2D(GL_TEXTURE_2D,
i, 0, 0, dim, dim,
GL_RGBA, GL_UNSIGNED_BYTE, pixels);
free(pixels);
}
/* create a view to a subset of the layers */
glGenTextures(1, &view);
glTextureView(view, GL_TEXTURE_2D, tex, GL_RGBA8,
VIEW_MIN_LEVEL, VIEW_NUM_LEVELS, 0, 1);
if (!piglit_check_gl_error(GL_NO_ERROR))
piglit_report_result(PIGLIT_FAIL);
/* upload through the view */
glBindTexture(GL_TEXTURE_2D, view);
for (i = 0; i < VIEW_NUM_LEVELS; i++) {
int dim = TEX_SIZE >> (VIEW_MIN_LEVEL + i);
GLubyte *pixels = create_solid_image(dim, dim,
1, 4, i + NUM_LEVELS);
if (!pixels) {
printf("Failed to allocate image for view level %d\n", i);
piglit_report_result(PIGLIT_FAIL);
}
glTexSubImage2D(GL_TEXTURE_2D, i, 0, 0, dim, dim,
GL_RGBA, GL_UNSIGNED_BYTE, pixels);
free(pixels);
}
if (!piglit_check_gl_error(GL_NO_ERROR))
piglit_report_result(PIGLIT_FAIL);
/* bind the underlying texture and readback */
glBindTexture(GL_TEXTURE_2D, tex);
for (i = 0; i < NUM_LEVELS; i++) {
/* the levels inside the view should have been replaced.
* everything else should be untouched.
*/
float expected_color[4];
int dim = TEX_SIZE >> i;
int color_index = i;
if (i >= VIEW_MIN_LEVEL &&
i < VIEW_MIN_LEVEL + VIEW_NUM_LEVELS) {
color_index = i + NUM_LEVELS - VIEW_MIN_LEVEL;
}
printf("Testing level %d\n", i);
for (j = 0; j < 4; j++)
expected_color[j] = Colors[color_index][j] / 255.0f;
pass = piglit_probe_texel_rect_rgba(GL_TEXTURE_2D,
i, 0, 0, dim, dim,
expected_color) && pass;
}
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
|
