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
|
/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <libavcodec/jni.h>
#include <android/native_window_jni.h>
#include "egl_helpers.h"
#include "common/common.h"
#include "options/m_config.h"
#include "context.h"
struct priv {
struct GL gl;
EGLDisplay egl_display;
EGLConfig egl_config;
EGLContext egl_context;
EGLSurface egl_surface;
ANativeWindow *native_window;
};
static void android_swap_buffers(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
eglSwapBuffers(p->egl_display, p->egl_surface);
}
static void android_uninit(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
ra_gl_ctx_uninit(ctx);
if (p->egl_surface) {
eglMakeCurrent(p->egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE,
EGL_NO_CONTEXT);
eglDestroySurface(p->egl_display, p->egl_surface);
}
if (p->egl_context)
eglDestroyContext(p->egl_display, p->egl_context);
if (p->native_window) {
ANativeWindow_release(p->native_window);
p->native_window = NULL;
}
}
static bool android_init(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv = talloc_zero(ctx, struct priv);
jobject surface = (jobject)(intptr_t)ctx->vo->opts->WinID;
JavaVM *vm = (JavaVM *)av_jni_get_java_vm(NULL);
JNIEnv *env;
int ret = (*vm)->GetEnv(vm, (void**)&env, JNI_VERSION_1_6);
if (ret == JNI_EDETACHED) {
if ((*vm)->AttachCurrentThread(vm, &env, NULL) != 0) {
MP_FATAL(ctx, "Could not attach java VM.\n");
goto fail;
}
}
p->native_window = ANativeWindow_fromSurface(env, surface);
(*vm)->DetachCurrentThread(vm);
p->egl_display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
if (!eglInitialize(p->egl_display, NULL, NULL)) {
MP_FATAL(ctx, "EGL failed to initialize.\n");
goto fail;
}
EGLConfig config;
if (!mpegl_create_context(ctx, p->egl_display, &p->egl_context, &config))
goto fail;
EGLint format;
eglGetConfigAttrib(p->egl_display, config, EGL_NATIVE_VISUAL_ID, &format);
ANativeWindow_setBuffersGeometry(p->native_window, 0, 0, format);
p->egl_surface = eglCreateWindowSurface(p->egl_display, config,
(EGLNativeWindowType)p->native_window, NULL);
if (p->egl_surface == EGL_NO_SURFACE) {
MP_FATAL(ctx, "Could not create EGL surface!\n");
goto fail;
}
if (!eglMakeCurrent(p->egl_display, p->egl_surface, p->egl_surface,
p->egl_context)) {
MP_FATAL(ctx, "Failed to set context!\n");
goto fail;
}
mpegl_load_functions(&p->gl, ctx->log);
struct ra_gl_ctx_params params = {
.swap_buffers = android_swap_buffers,
};
if (!ra_gl_ctx_init(ctx, &p->gl, params))
goto fail;
return true;
fail:
android_uninit(ctx);
return false;
}
static bool android_reconfig(struct ra_ctx *ctx)
{
struct priv *p = ctx->priv;
int w, h;
if (!eglQuerySurface(p->egl_display, p->egl_surface, EGL_WIDTH, &w) ||
!eglQuerySurface(p->egl_display, p->egl_surface, EGL_HEIGHT, &h)) {
MP_FATAL(ctx, "Failed to get height and width!\n");
return false;
}
ctx->vo->dwidth = w;
ctx->vo->dheight = h;
ra_gl_ctx_resize(ctx->swapchain, w, h, 0);
return true;
}
static int android_control(struct ra_ctx *ctx, int *events, int request, void *arg)
{
return VO_NOTIMPL;
}
const struct ra_ctx_fns ra_ctx_android = {
.type = "opengl",
.name = "android",
.reconfig = android_reconfig,
.control = android_control,
.init = android_init,
.uninit = android_uninit,
};
|
