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/*
* The ManaPlus Client
* Copyright (C) 2012-2013 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRAPHICSMANAGER_H
#define GRAPHICSMANAGER_H
#include "main.h"
#ifdef USE_OPENGL
#ifdef ANDROID
#include <GLES/gl.h>
#else
#define GL_GLEXT_PROTOTYPES 1
#include <SDL_opengl.h>
// hack to hide warnings
#undef GL_GLEXT_VERSION
#undef GL_GLEXT_PROTOTYPES
#endif
#endif
#include "utils/stringvector.h"
#include <SDL_stdinc.h>
#include <set>
#include <string>
#include "localconsts.h"
class Graphics;
class TestMain;
struct FBOInfo;
enum ScreenDensity
{
DENSITY_UNKNOWN = -1,
DENSITY_LOW = 0,
DENSITY_MEDIUM = 1,
DENSITY_TV = 2,
DENSITY_HIGH = 3,
DENSITY_XHIGH = 4,
DENSITY_XXHIGH = 5
};
class GraphicsManager final
{
public:
GraphicsManager();
A_DELETE_COPY(GraphicsManager)
virtual ~GraphicsManager();
void initGraphics(const bool noOpenGL);
void setVideoMode();
bool getAllVideoModes(StringVect &modeList);
void detectPixelSize();
std::string getDensityString() const;
int getDensity()
{ return mDensity; }
#ifdef USE_OPENGL
TestMain *startDetection() A_WARN_UNUSED;
int detectGraphics() A_WARN_UNUSED;
bool supportExtension(const std::string &ext) const A_WARN_UNUSED;
void updateTextureFormat();
bool checkGLVersion(const int major, const int minor)
const A_WARN_UNUSED;
bool checkPlatformVersion(const int major, const int minor)
const A_WARN_UNUSED;
static void createFBO(const int width, const int height,
FBOInfo *const fbo);
static void deleteFBO(FBOInfo *const fbo);
void initOpenGLFunctions();
void updateExtensions();
void updatePlanformExtensions();
void initOpenGL();
void updateLimits();
int getMaxVertices() const A_WARN_UNUSED
{ return mMaxVertices; }
bool getUseAtlases() const A_WARN_UNUSED
{ return mUseAtlases; }
void logVersion() const;
void setGLVersion();
static std::string getGLString(const int num) A_WARN_UNUSED;
static void logString(const char *const format, const int num);
void detectVideoSettings();
void createTextureSampler();
bool isUseTextureSampler() const A_WARN_UNUSED
{ return mUseTextureSampler; }
static GLenum getLastError() A_WARN_UNUSED;
static std::string errorToString(const GLenum error) A_WARN_UNUSED;
void updateDebugLog() const;
#endif
private:
std::set<std::string> mExtensions;
std::set<std::string> mPlatformExtensions;
std::string mGlVersionString;
std::string mGlVendor;
std::string mGlRenderer;
int mMinor;
int mMajor;
int mPlatformMinor;
int mPlatformMajor;
int mMaxVertices;
int mMaxFboSize;
uint32_t mMaxWidth;
uint32_t mMaxHeight;
uint32_t mWidthMM;
uint32_t mHeightMM;
int32_t mDensity;
#ifdef USE_OPENGL
bool mUseTextureSampler;
GLuint mTextureSampler;
int mSupportDebug;
#endif
bool mUseAtlases;
};
extern GraphicsManager graphicsManager;
#endif // GRAPHICSMANAGER_H
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