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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
/*
* Copyright © 2011 LunarG, Inc.
*
* 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: Chia-I Wu <olv@lunarg.com>
*/
/** @file draw-tex.c
*
* Test GL_OES_draw_texture.
*/
#include <EGL/egl.h>
#include "piglit-util-gl-common.h"
#define TEXTURE_SIZE 2
PIGLIT_GL_TEST_CONFIG_BEGIN
config.window_width = 100;
config.window_height = 100;
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_ALPHA | PIGLIT_GL_VISUAL_DEPTH | PIGLIT_GL_VISUAL_DOUBLE;
PIGLIT_GL_TEST_CONFIG_END
/* see piglit_rgbw_texture */
static const float red[4] = { 1.0f, 0.0f, 0.0f, 0.0f };
static const float green[4] = { 0.0f, 1.0f, 0.0f, 0.25f };
static const float blue[4] = { 0.0f, 0.0f, 1.0f, 0.50f };
static const float white[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
static PFNGLDRAWTEXIOESPROC piglit_glDrawTexiOES;
/**
* Test the basic use of glDrawTex
*/
static int
test_basic(void)
{
const GLint crop[4] = {
0, 0, TEXTURE_SIZE, TEXTURE_SIZE
};
const int x = piglit_width / 2 - 2;
const int y = piglit_height / 2 - 2;
int pass;
glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
/* draw the RGBW texture */
piglit_glDrawTexiOES(0, 0, 0, piglit_width, piglit_height);
pass = piglit_probe_pixel_rgb(x, y, red);
pass = piglit_probe_pixel_rgb(x + 5, y, green) && pass;
pass = piglit_probe_pixel_rgb(x, y + 5, blue) && pass;
pass = piglit_probe_pixel_rgb(x + 5, y + 5, white) && pass;
if (!pass)
fprintf(stderr, "glDrawTexiOES() failed\n");
return pass;
}
/**
* Test glDrawTex with a crop rectangle with negative width/height.
*/
static int
test_negative_crop(void)
{
const GLint crop[4] = {
TEXTURE_SIZE, TEXTURE_SIZE, -TEXTURE_SIZE, -TEXTURE_SIZE
};
const int x = piglit_width / 2 - 2;
const int y = piglit_height / 2 - 2;
int pass;
glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
/* draw the RGBW texture with negative crop */
piglit_glDrawTexiOES(0, 0, 0, piglit_width, piglit_height);
pass = piglit_probe_pixel_rgb(x, y, white);
pass = piglit_probe_pixel_rgb(x + 5, y, blue) && pass;
pass = piglit_probe_pixel_rgb(x, y + 5, green) && pass;
pass = piglit_probe_pixel_rgb(x + 5, y + 5, red) && pass;
if (!pass)
fprintf(stderr, "negative crop width/height failed\n");
return pass;
}
/**
* Test glDrawTex with a small crop rectangle covering only the right-top of
* the texture.
*/
static int
test_right_top_crop(void)
{
const GLint crop[4] = {
TEXTURE_SIZE / 2, TEXTURE_SIZE / 2,
TEXTURE_SIZE / 2, TEXTURE_SIZE / 2
};
const int x = piglit_width / 2 - 2;
const int y = piglit_height / 2 - 2;
int pass;
glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
/* draw the right top quarter of RGBW texture */
piglit_glDrawTexiOES(0, 0, 0, piglit_width, piglit_height);
pass = piglit_probe_pixel_rgb(x, y, white);
pass = piglit_probe_pixel_rgb(x + 5, y, white) && pass;
pass = piglit_probe_pixel_rgb(x, y + 5, white) && pass;
pass = piglit_probe_pixel_rgb(x + 5, y + 5, white) && pass;
if (!pass)
fprintf(stderr, "sub crop rect failed\n");
return pass;
}
/**
* Test glDrawTex with non-zero x and y.
*/
static int
test_right_top_win(void)
{
const GLint crop[4] = {
0, 0, TEXTURE_SIZE, TEXTURE_SIZE
};
const int half_width = piglit_width / 2;
const int half_height = piglit_height / 2;
const int x = half_width + half_width / 2 - 2;
const int y = half_height + half_height / 2 - 2;
int pass;
glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
/* draw the RGBW texture at the right top */
piglit_glDrawTexiOES(half_width, half_height, 0, half_width, half_height);
pass = piglit_probe_pixel_rgb(x, y, red);
pass = piglit_probe_pixel_rgb(x + 5, y, green) && pass;
pass = piglit_probe_pixel_rgb(x, y + 5, blue) && pass;
pass = piglit_probe_pixel_rgb(x + 5, y + 5, white) && pass;
if (!pass)
fprintf(stderr, "non-zero (x, y) failed\n");
return pass;
}
/**
* Test glDrawTex with non-zero z.
*/
static int
test_depth(void)
{
const GLint crop[4] = {
0, 0, TEXTURE_SIZE, TEXTURE_SIZE
};
const int x = piglit_width / 2 - 2;
const int y = piglit_height / 2 - 2;
int pass;
glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
glEnable(GL_DEPTH_TEST);
/* draw at near plane */
piglit_glDrawTexiOES(0, 0, 0, piglit_width, piglit_height);
/* draw at far plane: should be no-op */
piglit_glDrawTexiOES(0, 0, 1, piglit_width / 2, piglit_height / 2);
glDisable(GL_DEPTH_TEST);
pass = piglit_probe_pixel_rgb(x, y, red);
if (!pass)
fprintf(stderr, "non-zero depth failed\n");
return pass;
}
enum piglit_result
piglit_display(void)
{
GLboolean pass = GL_TRUE;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
pass = test_basic();
pass = test_negative_crop() && pass;
pass = test_right_top_win() && pass;
pass = test_right_top_crop() && pass;
pass = test_depth() && pass;
glFinish();
piglit_present_results();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
GLuint tex;
piglit_require_extension("GL_OES_draw_texture");
piglit_glDrawTexiOES = (PFNGLDRAWTEXIOESPROC)
eglGetProcAddress("glDrawTexiOES");
if (!piglit_glDrawTexiOES)
piglit_report_result(PIGLIT_FAIL);
piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
tex = piglit_rgbw_texture(GL_RGBA,
TEXTURE_SIZE, TEXTURE_SIZE, GL_FALSE, GL_TRUE, 0);
glBindTexture(GL_TEXTURE_2D, tex);
glEnable(GL_TEXTURE_2D);
}
|
