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
243
244
245
246
247
248
249
250
251
252
253
254
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <glib-object.h>
#include <gmodule.h>
#include <clutter/clutter.h>
#include <cogl/cogl.h>
#include "tests/clutter-test-utils.h"
typedef struct _TestMultiLayerMaterialState
{
ClutterActor *group;
CoglHandle alpha_tex;
CoglHandle redhand_tex;
gfloat *tex_coords;
ClutterTimeline *timeline;
CoglHandle material0;
graphene_matrix_t tex_matrix0;
graphene_matrix_t rot_matrix0;
CoglHandle light_tex0;
CoglHandle material1;
graphene_matrix_t tex_matrix1;
graphene_matrix_t rot_matrix1;
CoglHandle light_tex1;
} TestMultiLayerMaterialState;
int
test_cogl_multitexture_main (int argc, char *argv[]);
const char *
test_cogl_multitexture_describe (void);
static void
frame_cb (ClutterTimeline *timeline,
gint frame_no,
gpointer data)
{
TestMultiLayerMaterialState *state = data;
graphene_matrix_multiply (&state->rot_matrix0,
&state->tex_matrix0,
&state->tex_matrix0);
cogl_material_set_layer_matrix (state->material0, 2, &state->tex_matrix0);
graphene_matrix_multiply (&state->rot_matrix1,
&state->tex_matrix1,
&state->tex_matrix1);
cogl_material_set_layer_matrix (state->material1, 2, &state->tex_matrix1);
}
static void
material_rectangle_paint (ClutterActor *actor,
ClutterPaintContext *paint_context,
gpointer data)
{
TestMultiLayerMaterialState *state = data;
CoglFramebuffer *framebuffer =
clutter_paint_context_get_framebuffer (paint_context);
cogl_framebuffer_push_matrix (framebuffer);
cogl_framebuffer_translate (framebuffer, 150, 15, 0);
cogl_framebuffer_draw_multitextured_rectangle (framebuffer,
COGL_FRAMEBUFFER (state->material0),
0, 0, 200, 213,
state->tex_coords,
12);
cogl_framebuffer_translate (framebuffer, -300, -30, 0);
cogl_framebuffer_draw_multitextured_rectangle (framebuffer,
COGL_FRAMEBUFFER (state->material1),
0, 0, 200, 213,
state->tex_coords,
12);
cogl_framebuffer_pop_matrix (framebuffer);
}
static void
animation_completed_cb (ClutterAnimation *animation,
TestMultiLayerMaterialState *state)
{
static gboolean go_back = FALSE;
gdouble new_rotation_y;
if (go_back)
new_rotation_y = 30;
else
new_rotation_y = -30;
go_back = !go_back;
clutter_actor_animate_with_timeline (state->group,
CLUTTER_LINEAR,
state->timeline,
"rotation-angle-y", new_rotation_y,
"signal-after::completed",
animation_completed_cb, state,
NULL);
}
G_MODULE_EXPORT int
test_cogl_multitexture_main (int argc, char *argv[])
{
GError *error = NULL;
ClutterActor *stage;
ClutterColor stage_color = { 0x61, 0x56, 0x56, 0xff };
g_autofree TestMultiLayerMaterialState *state = g_new0 (TestMultiLayerMaterialState, 1);
gfloat stage_w, stage_h;
gchar **files;
gfloat tex_coords[] =
{
/* tx1 ty1 tx2 ty2 */
0, 0, 1, 1,
0, 0, 1, 1,
0, 0, 1, 1
};
clutter_test_init (&argc, &argv);
stage = clutter_test_get_stage ();
clutter_actor_get_size (stage, &stage_w, &stage_h);
clutter_stage_set_title (CLUTTER_STAGE (stage), "Cogl: Multi-texturing");
clutter_actor_set_background_color (CLUTTER_ACTOR (stage), &stage_color);
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_test_quit), NULL);
/* We create a non-descript actor that we know doesn't have a
* default paint handler, so that we can easily control
* painting in a paint signal handler, without having to
* sub-class anything etc. */
state->group = clutter_actor_new ();
clutter_actor_set_position (state->group, stage_w / 2, stage_h / 2);
g_signal_connect (state->group, "paint",
G_CALLBACK(material_rectangle_paint), state);
files = g_new (gchar*, 4);
files[0] = g_build_filename (TESTS_DATADIR, "redhand_alpha.png", NULL);
files[1] = g_build_filename (TESTS_DATADIR, "redhand.png", NULL);
files[2] = g_build_filename (TESTS_DATADIR, "light0.png", NULL);
files[3] = NULL;
state->alpha_tex =
cogl_texture_new_from_file (files[0],
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_ANY,
&error);
if (!state->alpha_tex)
g_critical ("Failed to load redhand_alpha.png: %s", error->message);
state->redhand_tex =
cogl_texture_new_from_file (files[1],
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_ANY,
&error);
if (!state->redhand_tex)
g_critical ("Failed to load redhand.png: %s", error->message);
state->light_tex0 =
cogl_texture_new_from_file (files[2],
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_ANY,
&error);
if (!state->light_tex0)
g_critical ("Failed to load light0.png: %s", error->message);
state->light_tex1 =
cogl_texture_new_from_file (files[2],
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_ANY,
&error);
if (!state->light_tex1)
g_critical ("Failed to load light0.png: %s", error->message);
g_strfreev (files);
state->material0 = cogl_material_new ();
cogl_material_set_layer (state->material0, 0, state->alpha_tex);
cogl_material_set_layer (state->material0, 1, state->redhand_tex);
cogl_material_set_layer (state->material0, 2, state->light_tex0);
state->material1 = cogl_material_new ();
cogl_material_set_layer (state->material1, 0, state->alpha_tex);
cogl_material_set_layer (state->material1, 1, state->redhand_tex);
cogl_material_set_layer (state->material1, 2, state->light_tex1);
state->tex_coords = tex_coords;
graphene_matrix_init_identity (&state->tex_matrix0);
graphene_matrix_init_identity (&state->tex_matrix1);
graphene_matrix_init_identity (&state->rot_matrix0);
graphene_matrix_init_identity (&state->rot_matrix1);
graohene_matrix_translate (&state->rot_matrix0,
&GRAPHENE_POINT3D_INIT (-0.5, -0.5, 0));
graohene_matrix_rotate (&state->rot_matrix0, 10.0, graphene_vec3_z_axis ());
graphene_matrix_translate (&state->rot_matrix0,
&GRAPHENE_POINT3D_INIT (0.5, 0.5, 0));
graphene_matrix_translate (&state->rot_matrix1,
&GRAPHENE_POINT3D_INIT (-0.5, -0.5, 0));
graohene_matrix_rotate (&state->rot_matrix1, -10.0, graphene_vec3_z_axis ());
graphene_matrix_translate (&state->rot_matrix1,
&GRAPHENE_POINT3D_INIT (0.5, 0.5, 0));
clutter_actor_set_translation (data->parent_container, -86.f, -125.f, 0.f);
clutter_container_add_actor (CLUTTER_CONTAINER(stage),
state->group);
state->timeline = clutter_timeline_new_for_actor (stage, 2812);
g_signal_connect (state->timeline, "new-frame", G_CALLBACK (frame_cb), state);
clutter_actor_animate_with_timeline (state->group,
CLUTTER_LINEAR,
state->timeline,
"rotation-angle-y", 30.0,
"signal-after::completed",
animation_completed_cb, state,
NULL);
/* start the timeline and thus the animations */
clutter_timeline_start (state->timeline);
clutter_actor_show (stage);
clutter_test_main ();
cogl_object_unref (state->material1);
cogl_object_unref (state->material0);
cogl_object_unref (state->alpha_tex);
cogl_object_unref (state->redhand_tex);
cogl_object_unref (state->light_tex0);
cogl_object_unref (state->light_tex1);
g_free (state);
return 0;
}
G_MODULE_EXPORT const char *
test_cogl_multitexture_describe (void)
{
return "Multi-texturing support in Cogl.";
}
|
