1 /*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 #include "RendererSurface.h"
17 #include <stdio.h>
18 #include <stdlib.h>
19
20 #include "NativeWindowing.h"
21
22 #define MAX_ATTRIB 100
23
24
getEglConfig(EGLDisplay eglDisplay,SurfaceConfig config)25 EGLConfig RendererSurface::getEglConfig(EGLDisplay eglDisplay, SurfaceConfig config)
26 {
27 EGLConfig eglConfig;
28 int nConfigs;
29
30 EGLint attrib[MAX_ATTRIB];
31 int pos =0;
32
33 attrib[pos++] = EGL_SURFACE_TYPE; attrib[pos++] = EGL_WINDOW_BIT;
34 if (config & CONFIG_DEPTH) {attrib[pos++] = EGL_DEPTH_SIZE; attrib[pos++] = 1;}
35 attrib[pos++] = EGL_NONE;
36
37 if (!eglChooseConfig(eglDisplay, attrib, &eglConfig, 1, &nConfigs)) {
38 return 0;
39 }
40 /***/
41 int ibuf;
42 if (eglGetConfigAttrib(eglDisplay, eglConfig, EGL_BUFFER_SIZE, &ibuf)) {
43 fprintf(stderr, "EGL COLOR Buffer size: %d\n", ibuf);
44 } else {
45 fprintf(stderr, "eglGetConfigAttrib error: %d\n", eglGetError());
46 }
47 if (eglGetConfigAttrib(eglDisplay, eglConfig, EGL_DEPTH_SIZE, &ibuf)) {
48 fprintf(stderr, "EGL DEPTH Buffer size: %d\n", ibuf);
49 } else {
50 fprintf(stderr, "eglGetConfigAttrib error: %d\n", eglGetError());
51 }
52 /***/
53
54
55 if (nConfigs != 1) {
56 return 0;
57 }
58 return eglConfig;
59 }
60
create(EGLDisplay eglDisplay,SurfaceConfig config,NativeWindowing * nw)61 RendererSurface * RendererSurface::create(EGLDisplay eglDisplay, SurfaceConfig config, NativeWindowing *nw)
62 {
63 int width = 0, height = 0;
64 const char* env;
65
66 env = getenv("ANDROID_WINDOW_WIDTH");
67 if (env && *env) {
68 width = atoi(env);
69 }
70 env = getenv("ANDROID_WINDOW_HEIGHT");
71 if (env && *env) {
72 height = atoi(env);
73 }
74 if (width <= 160)
75 width = DEFAULT_WIDTH;
76 if (height <= 160)
77 height = DEFAULT_HEIGHT;
78
79 printf("%s: Using width=%d height=%d\n", __FUNCTION__, width, height);
80
81 EGLConfig eglConfig = getEglConfig(eglDisplay, config);
82 if (eglConfig == 0) {
83 return NULL;
84 }
85
86 NativeWindowType window = nw->createNativeWindow(nw->getNativeDisplay(), width, height);
87 if (window == 0) {
88 return NULL;
89 }
90
91 EGLSurface eglSurface = eglCreateWindowSurface(eglDisplay,
92 eglConfig,
93 window, NULL);
94
95 if (eglGetError() != EGL_SUCCESS) {
96 return NULL;
97 }
98
99 return new RendererSurface(eglDisplay, window, eglSurface, eglConfig);
100 }
101
destroy(NativeWindowing * nw)102 int RendererSurface::destroy(NativeWindowing *nw)
103 {
104 eglDestroySurface(m_eglDisplay, m_eglSurface);
105 nw->destroyNativeWindow(nw->getNativeDisplay(), m_window);
106 return 1;
107 }
108
109