Import EGL/GLES translator

external/android-emugl/host/libs/Translator/GLcommon/GLESbuffer.cpp

@@ -0,0 +1,55 @@
+/*
+* 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 <GLcommon/GLESbuffer.h>
+#include <string.h>
+
+bool  GLESbuffer::setBuffer(GLuint size,GLuint usage,const GLvoid* data) {
+    m_size = size;
+    m_usage = usage;
+    if(m_data) {
+        delete [] m_data;
+        m_data = NULL;
+    }
+    m_data = new unsigned char[size];
+    if(m_data) {
+        if(data) {
+            memcpy(m_data,data,size);
+        }
+        m_conversionManager.clear();
+        m_conversionManager.addRange(Range(0,m_size));
+        return true;
+    }
+    return false;
+}
+
+bool  GLESbuffer::setSubBuffer(GLint offset,GLuint size,const GLvoid* data) {
+    if(offset + size > m_size) return false;
+    memcpy(m_data+offset,data,size);
+    m_conversionManager.addRange(Range(offset,size));
+    m_conversionManager.merge();
+    return true;
+}
+
+void  GLESbuffer::getConversions(const RangeList& rIn,RangeList& rOut) {
+        m_conversionManager.delRanges(rIn,rOut);
+        rOut.merge();
+}
+
+GLESbuffer::~GLESbuffer() {
+    if(m_data) {
+        delete [] m_data;
+    }
+}