replicant-frameworks_native/opengl/libs/EGL/egl_display.h
Jamie Gennis 98c6383580 EGL: implement loading and saving the cache
This change adds support for saving and loading the contents of the EGL
cache.  It also adds some simple tests for the EGL cache.

Change-Id: I18e5e789e0897a0783d29d1c1e64d26de2dd44c4
2011-11-08 15:54:36 -08:00

144 lines
4.3 KiB
C++

/*
** Copyright 2007, 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 ANDROID_EGL_DISPLAY_H
#define ANDROID_EGL_DISPLAY_H
#include <ctype.h>
#include <stdint.h>
#include <stdlib.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES/gl.h>
#include <GLES/glext.h>
#include <utils/SortedVector.h>
#include <utils/threads.h>
#include "egldefs.h"
#include "hooks.h"
// ----------------------------------------------------------------------------
namespace android {
// ----------------------------------------------------------------------------
class egl_object_t;
class egl_connection_t;
// ----------------------------------------------------------------------------
struct egl_config_t {
egl_config_t() {}
egl_config_t(int impl, EGLConfig config)
: impl(impl), config(config), configId(0), implConfigId(0) { }
int impl; // the implementation this config is for
EGLConfig config; // the implementation's EGLConfig
EGLint configId; // our CONFIG_ID
EGLint implConfigId; // the implementation's CONFIG_ID
inline bool operator < (const egl_config_t& rhs) const {
if (impl < rhs.impl) return true;
if (impl > rhs.impl) return false;
return config < rhs.config;
}
};
// ----------------------------------------------------------------------------
class EGLAPI egl_display_t { // marked as EGLAPI for testing purposes
static egl_display_t sDisplay[NUM_DISPLAYS];
EGLDisplay getDisplay(EGLNativeDisplayType display);
public:
enum {
NOT_INITIALIZED = 0,
INITIALIZED = 1,
TERMINATED = 2
};
egl_display_t();
~egl_display_t();
EGLBoolean initialize(EGLint *major, EGLint *minor);
EGLBoolean terminate();
// add object to this display's list
void addObject(egl_object_t* object);
// remove object from this display's list
void removeObject(egl_object_t* object);
// add reference to this object. returns true if this is a valid object.
bool getObject(egl_object_t* object);
static egl_display_t* get(EGLDisplay dpy);
static EGLDisplay getFromNativeDisplay(EGLNativeDisplayType disp);
inline bool isReady() const { return (refs > 0); }
inline bool isValid() const { return magic == '_dpy'; }
inline bool isAlive() const { return isValid(); }
struct strings_t {
char const * vendor;
char const * version;
char const * clientApi;
char const * extensions;
};
struct DisplayImpl {
DisplayImpl() : dpy(EGL_NO_DISPLAY), config(0),
state(NOT_INITIALIZED), numConfigs(0) { }
EGLDisplay dpy;
EGLConfig* config;
EGLint state;
EGLint numConfigs;
strings_t queryString;
};
private:
uint32_t magic;
public:
DisplayImpl disp[IMPL_NUM_IMPLEMENTATIONS];
EGLint numTotalConfigs;
egl_config_t* configs;
private:
uint32_t refs;
Mutex lock;
SortedVector<egl_object_t*> objects;
};
// ----------------------------------------------------------------------------
inline egl_display_t* get_display(EGLDisplay dpy) {
return egl_display_t::get(dpy);
}
// ----------------------------------------------------------------------------
egl_display_t* validate_display(EGLDisplay dpy);
egl_connection_t* validate_display_config(EGLDisplay dpy,
EGLConfig config, egl_display_t const*& dp);
EGLBoolean validate_display_context(EGLDisplay dpy, EGLContext ctx);
EGLBoolean validate_display_surface(EGLDisplay dpy, EGLSurface surface);
// ----------------------------------------------------------------------------
}; // namespace android
// ----------------------------------------------------------------------------
#endif // ANDROID_EGL_DISPLAY_H