replicant-frameworks_native/services/surfaceflinger/RenderEngine/GLExtensions.cpp

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/*
* Copyright (C) 2010 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 <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include "GLExtensions.h"
namespace android {
// ---------------------------------------------------------------------------
ANDROID_SINGLETON_STATIC_INSTANCE( GLExtensions )
GLExtensions::GLExtensions()
: mHaveFramebufferObject(false)
{
}
void GLExtensions::initWithGLStrings(
GLubyte const* vendor,
GLubyte const* renderer,
GLubyte const* version,
GLubyte const* extensions)
{
mVendor = (char const*)vendor;
mRenderer = (char const*)renderer;
mVersion = (char const*)version;
mExtensions = (char const*)extensions;
char const* curr = (char const*)extensions;
char const* head = curr;
do {
head = strchr(curr, ' ');
String8 s(curr, head ? head-curr : strlen(curr));
if (s.length()) {
mExtensionList.add(s);
}
curr = head+1;
} while (head);
if (hasExtension("GL_OES_framebuffer_object")) {
mHaveFramebufferObject = true;
}
}
bool GLExtensions::hasExtension(char const* extension) const
{
const String8 s(extension);
return mExtensionList.indexOf(s) >= 0;
}
char const* GLExtensions::getVendor() const {
return mVendor.string();
}
char const* GLExtensions::getRenderer() const {
return mRenderer.string();
}
char const* GLExtensions::getVersion() const {
return mVersion.string();
}
char const* GLExtensions::getExtension() const {
return mExtensions.string();
}
// ---------------------------------------------------------------------------
}; // namespace android