replicant-frameworks_native/services/surfaceflinger/RenderEngine/GLExtensions.cpp
Mathias Agopian 875d8e1323 Refactor SF. Move all GL operations in their own class.
this is the first step to add support for GLES 2.x, this
change breaks the dependency of SF on GLES 1.x by moving
all operation into their own class.

Bug: 8679321

Change-Id: I0d2741eca2cefe67dfd9cf837cac10c4d126928b
2013-07-03 14:39:27 -07:00

84 lines
2.2 KiB
C++

/*
* 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