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
|
/*
* Copyright 2016, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor(s): Blender Institute
*
*/
/** \file overlay_mode.c
* \ingroup draw_engine
*/
#include "DNA_view3d_types.h"
#include "GPU_shader.h"
#include "DRW_render.h"
#include "draw_mode_engines.h"
/* Structures */
typedef struct OVERLAY_StorageList {
struct OVERLAY_PrivateData *g_data;
} OVERLAY_StorageList;
typedef struct OVERLAY_PassList {
struct DRWPass *face_orientation_pass;
} OVERLAY_PassList;
typedef struct OVERLAY_Data {
void *engine_type;
DRWViewportEmptyList *fbl;
DRWViewportEmptyList *txl;
OVERLAY_PassList *psl;
OVERLAY_StorageList *stl;
} OVERLAY_Data;
typedef struct OVERLAY_PrivateData {
DRWShadingGroup *face_orientation_shgrp;
View3DOverlay overlay;
} OVERLAY_PrivateData; /* Transient data */
/* *********** STATIC *********** */
static struct {
/* Face orientation shader */
struct GPUShader *face_orientation_sh;
} e_data = {NULL};
/* Shaders */
extern char datatoc_overlay_face_orientation_frag_glsl[];
extern char datatoc_overlay_face_orientation_vert_glsl[];
/* Functions */
static void overlay_engine_init(void *vedata)
{
OVERLAY_Data * data = (OVERLAY_Data *)vedata;
OVERLAY_StorageList *stl = data->stl;
if (!stl->g_data) {
/* Alloc transient pointers */
stl->g_data = MEM_mallocN(sizeof(*stl->g_data), __func__);
}
if (!e_data.face_orientation_sh) {
/* Face orientation */
e_data.face_orientation_sh = DRW_shader_create(
datatoc_overlay_face_orientation_vert_glsl, NULL, datatoc_overlay_face_orientation_frag_glsl, "\n");
}
}
static void overlay_cache_init(void *vedata)
{
OVERLAY_Data * data = (OVERLAY_Data *)vedata;
OVERLAY_PassList *psl = data->psl;
OVERLAY_StorageList *stl = data->stl;
const DRWContextState *DCS = DRW_context_state_get();
View3D *v3d = DCS->v3d;
if (v3d) {
stl->g_data->overlay = v3d->overlay;
}
else {
memset(&stl->g_data->overlay, 0, sizeof(stl->g_data->overlay));
}
/* Face Orientation Pass */
if (stl->g_data->overlay.flag & V3D_OVERLAY_FACE_ORIENTATION) {
int state = DRW_STATE_WRITE_COLOR | DRW_STATE_DEPTH_EQUAL | DRW_STATE_BLEND;
psl->face_orientation_pass = DRW_pass_create("Face Orientation", state);
stl->g_data->face_orientation_shgrp = DRW_shgroup_create(
e_data.face_orientation_sh, psl->face_orientation_pass);
}
}
static void overlay_cache_populate(void *vedata, Object *ob)
{
OVERLAY_Data * data = (OVERLAY_Data *)vedata;
OVERLAY_StorageList *stl = data->stl;
OVERLAY_PrivateData *pd = stl->g_data;
if (!DRW_object_is_renderable(ob))
return;
struct Gwn_Batch *geom = DRW_cache_object_surface_get(ob);
if (geom) {
/* Face Orientation */
if (stl->g_data->overlay.flag & V3D_OVERLAY_FACE_ORIENTATION) {
DRW_shgroup_call_add(pd->face_orientation_shgrp, geom, ob->obmat);
}
}
}
static void overlay_cache_finish(void *UNUSED(vedata))
{
}
static void overlay_draw_scene(void *vedata)
{
OVERLAY_Data * data = (OVERLAY_Data *)vedata;
OVERLAY_PassList *psl = data->psl;
OVERLAY_StorageList *stl = data->stl;
OVERLAY_PrivateData *pd = stl->g_data;
if (pd->overlay.flag & V3D_OVERLAY_FACE_ORIENTATION) {
DRW_draw_pass(psl->face_orientation_pass);
}
}
static void overlay_engine_free(void)
{
DRW_SHADER_FREE_SAFE(e_data.face_orientation_sh);
}
static const DrawEngineDataSize overlay_data_size = DRW_VIEWPORT_DATA_SIZE(OVERLAY_Data);
DrawEngineType draw_engine_overlay_type = {
NULL, NULL,
N_("OverlayEngine"),
&overlay_data_size,
&overlay_engine_init,
&overlay_engine_free,
&overlay_cache_init,
&overlay_cache_populate,
&overlay_cache_finish,
NULL,
&overlay_draw_scene,
NULL,
NULL,
NULL,
};
|
