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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "RendererSurface.h"
#include <stdio.h>
#include <stdlib.h>
#include "NativeWindowing.h"
#define MAX_ATTRIB 100
EGLConfig RendererSurface::getEglConfig(EGLDisplay eglDisplay, SurfaceConfig config)
{
EGLConfig eglConfig;
int nConfigs;
EGLint attrib[MAX_ATTRIB];
int pos =0;
attrib[pos++] = EGL_SURFACE_TYPE; attrib[pos++] = EGL_WINDOW_BIT;
if (config & CONFIG_DEPTH) {attrib[pos++] = EGL_DEPTH_SIZE; attrib[pos++] = 1;}
attrib[pos++] = EGL_NONE;
if (!eglChooseConfig(eglDisplay, attrib, &eglConfig, 1, &nConfigs)) {
return 0;
}
/***/
int ibuf;
if (eglGetConfigAttrib(eglDisplay, eglConfig, EGL_BUFFER_SIZE, &ibuf)) {
fprintf(stderr, "EGL COLOR Buffer size: %d\n", ibuf);
} else {
fprintf(stderr, "eglGetConfigAttrib error: %d\n", eglGetError());
}
if (eglGetConfigAttrib(eglDisplay, eglConfig, EGL_DEPTH_SIZE, &ibuf)) {
fprintf(stderr, "EGL DEPTH Buffer size: %d\n", ibuf);
} else {
fprintf(stderr, "eglGetConfigAttrib error: %d\n", eglGetError());
}
/***/
if (nConfigs != 1) {
return 0;
}
return eglConfig;
}
RendererSurface * RendererSurface::create(EGLDisplay eglDisplay, SurfaceConfig config, NativeWindowing *nw)
{
int width = 0, height = 0;
const char* env;
env = getenv("ANDROID_WINDOW_WIDTH");
if (env && *env) {
width = atoi(env);
}
env = getenv("ANDROID_WINDOW_HEIGHT");
if (env && *env) {
height = atoi(env);
}
if (width <= 160)
width = DEFAULT_WIDTH;
if (height <= 160)
height = DEFAULT_HEIGHT;
printf("%s: Using width=%d height=%d\n", __FUNCTION__, width, height);
EGLConfig eglConfig = getEglConfig(eglDisplay, config);
if (eglConfig == 0) {
return NULL;
}
NativeWindowType window = nw->createNativeWindow(nw->getNativeDisplay(), width, height);
if (window == 0) {
return NULL;
}
EGLSurface eglSurface = eglCreateWindowSurface(eglDisplay,
eglConfig,
window, NULL);
if (eglGetError() != EGL_SUCCESS) {
return NULL;
}
return new RendererSurface(eglDisplay, window, eglSurface, eglConfig);
}
int RendererSurface::destroy(NativeWindowing *nw)
{
eglDestroySurface(m_eglDisplay, m_eglSurface);
nw->destroyNativeWindow(nw->getNativeDisplay(), m_window);
return 1;
}
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