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/*
* 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.
*/
#ifndef _SYSTEM_EGL_DISPLAY_H
#define _SYSTEM_EGL_DISPLAY_H
#include <assert.h>
#include <pthread.h>
#include "glUtils.h"
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include "EGLClientIface.h"
#include "GLClientState.h"
#if __cplusplus >= 201103L
#include <unordered_set>
#else
#include <hash_set>
#endif
#include <map>
#define ATTRIBUTE_NONE (-1)
//FIXME: are we in this namespace?
using namespace android;
class eglDisplay
{
public:
eglDisplay();
~eglDisplay();
bool initialize(EGLClient_eglInterface *eglIface);
void terminate();
int getVersionMajor() const { return m_major; }
int getVersionMinor() const { return m_minor; }
bool initialized() const { return m_initialized; }
const char *queryString(EGLint name);
const EGLClient_glesInterface *gles_iface() const { return m_gles_iface; }
const EGLClient_glesInterface *gles2_iface() const { return m_gles2_iface; }
int getNumConfigs(){ return m_numConfigs; }
EGLConfig getConfigAtIndex(uint32_t index) const;
uint32_t getIndexOfConfig(EGLConfig config) const;
bool isValidConfig(EGLConfig cfg) const;
EGLBoolean getConfigAttrib(EGLConfig config, EGLint attrib, EGLint * value);
EGLBoolean setConfigAttrib(EGLConfig config, EGLint attrib, EGLint value);
EGLBoolean getConfigGLPixelFormat(EGLConfig config, GLenum * format);
EGLBoolean getConfigNativePixelFormat(EGLConfig config, uint32_t * format);
void dumpConfig(EGLConfig config);
void onCreateContext(EGLContext ctx);
void onCreateSurface(EGLSurface surface);
void onDestroyContext(EGLContext ctx);
void onDestroySurface(EGLSurface surface);
bool isContext(EGLContext ctx);
bool isSurface(EGLSurface ctx);
// Needs a current context (put this near eglMakeCurrent)
HostDriverCaps getHostDriverCaps(int majorVersion, int minorVersion);
private:
EGLClient_glesInterface *loadGLESClientAPI(const char *libName,
EGLClient_eglInterface *eglIface,
void **libHandle);
EGLBoolean getAttribValue(EGLConfig config, EGLint attribIdxi, EGLint * value);
EGLBoolean setAttribValue(EGLConfig config, EGLint attribIdxi, EGLint value);
void processConfigs();
private:
pthread_mutex_t m_lock;
bool m_initialized;
int m_major;
int m_minor;
int m_hostRendererVersion;
int m_numConfigs;
int m_numConfigAttribs;
/* This is the mapping between an attribute name to it's index in any given config */
std::map<EGLint, EGLint> m_attribs;
/* This is an array of all config's attributes values stored in the following sequencial fasion (read: v[c,a] = the value of attribute <a> of config <c>)
* v[0,0],..,v[0,m_numConfigAttribs-1],
*...
* v[m_numConfigs-1,0],..,v[m_numConfigs-1,m_numConfigAttribs-1]
*/
EGLint *m_configs;
EGLClient_glesInterface *m_gles_iface;
EGLClient_glesInterface *m_gles2_iface;
char *m_versionString;
char *m_vendorString;
char *m_extensionString;
#if __cplusplus >= 201103L
typedef std::unordered_set<EGLContext> EGLContextSet;
typedef std::unordered_set<EGLSurface> EGLSurfaceSet;
#else
typedef std::hash_set<EGLContext> EGLContextSet;
typedef std::hash_set<EGLSurface> EGLSurfaceSet;
#endif
EGLContextSet m_contexts;
EGLSurfaceSet m_surfaces;
pthread_mutex_t m_ctxLock;
pthread_mutex_t m_surfaceLock;
int m_hostDriverCaps_knownMajorVersion;
int m_hostDriverCaps_knownMinorVersion;
HostDriverCaps m_hostDriverCaps;
};
#endif