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/*
* Copyright (C) 2013 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 <utils/Log.h>
#include "Caches.h"
#include "Image.h"
namespace android {
namespace uirenderer {
Image::Image(sp<GraphicBuffer> buffer) {
// Create the EGLImage object that maps the GraphicBuffer
EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
EGLClientBuffer clientBuffer = (EGLClientBuffer) buffer->getNativeBuffer();
EGLint attrs[] = { EGL_IMAGE_PRESERVED_KHR, EGL_TRUE, EGL_NONE };
mImage = eglCreateImageKHR(display, EGL_NO_CONTEXT,
EGL_NATIVE_BUFFER_ANDROID, clientBuffer, attrs);
if (mImage == EGL_NO_IMAGE_KHR) {
ALOGW("Error creating image (%#x)", eglGetError());
mTexture = 0;
} else {
// Create a 2D texture to sample from the EGLImage
glGenTextures(1, &mTexture);
Caches::getInstance().textureState().bindTexture(mTexture);
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, mImage);
GLenum status = GL_NO_ERROR;
while ((status = glGetError()) != GL_NO_ERROR) {
ALOGW("Error creating image (%#x)", status);
}
}
}
Image::~Image() {
if (mImage != EGL_NO_IMAGE_KHR) {
eglDestroyImageKHR(eglGetDisplay(EGL_DEFAULT_DISPLAY), mImage);
mImage = EGL_NO_IMAGE_KHR;
Caches::getInstance().textureState().deleteTexture(mTexture);
mTexture = 0;
}
}
}; // namespace uirenderer
}; // namespace android
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