1 files changed, 62 insertions, 0 deletions
diff --git a/libs/hwui/Image.cpp b/libs/hwui/Image.cpp
new file mode 100644
index 000000000000..35ca40d08d61
--- /dev/null
+++ b/libs/hwui/Image.cpp
@@ -0,0 +1,62 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "OpenGLRenderer"
+
+#include <utils/Log.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);
+        glBindTexture(GL_TEXTURE_2D, 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;
+
+        glDeleteTextures(1, &mTexture);
+        mTexture = 0;
+    }
+}
+
+}; // namespace uirenderer
+}; // namespace android