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/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2012 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 OPENGLGRAPHICS_H
#define OPENGLGRAPHICS_H
#ifdef USE_OPENGL
#include "localconsts.h"
#include "main.h"
#include "graphics.h"
#include "resources/fboinfo.h"
//#define NO_SDL_GLEXT
#define GL_GLEXT_PROTOTYPES 1
#include <SDL_opengl.h>
#include <GL/glext.h>
#include <set>
class NormalOpenGLGraphics final : public Graphics
{
public:
NormalOpenGLGraphics();
~NormalOpenGLGraphics();
bool setVideoMode(const int w, const int h, const int bpp,
const bool fs, const bool hwaccel,
const bool resize, const bool noFrame) override;
/**
* Draws a resclaled version of the image
*/
bool drawRescaledImage(Image *const image, int srcX, int srcY,
int dstX, int dstY,
const int width, const int height,
const int desiredWidth, const int desiredHeight,
const bool useColor) override;
/**
* Used to get the smooth rescale option over the standard function.
*/
bool drawRescaledImage(Image *const image, int srcX, int srcY,
int dstX, int dstY,
const int width, const int height,
const int desiredWidth, const int desiredHeight,
const bool useColor, bool smooth);
void drawImagePattern(const Image *const image,
const int x, const int y,
const int w, const int h) override;
/**
* Draw a pattern based on a rescaled version of the given image...
*/
void drawRescaledImagePattern(const Image *const image,
const int x, const int y,
const int w, const int h,
const int scaledWidth,
const int scaledHeight) override;
void calcImagePattern(GraphicsVertexes *const vert,
const Image *const image,
const int x, const int y,
const int w, const int h) override;
void calcTile(ImageVertexes *const vert, const Image *const image,
int x, int y) override;
void drawTile(const ImageVertexes *const vert) override;
void drawImagePattern2(GraphicsVertexes *const vert,
const Image *const image) override;
void updateScreen() override;
void _beginDraw();
void _endDraw();
bool pushClipArea(gcn::Rectangle area);
void popClipArea();
void setColor(const gcn::Color &color);
void drawPoint(int x, int y);
void drawLine(int x1, int y1, int x2, int y2);
void drawRectangle(const gcn::Rectangle &rect, bool filled);
void drawRectangle(const gcn::Rectangle &rect);
void fillRectangle(const gcn::Rectangle &rect);
void setTargetPlane(int width, int height);
void drawQuadArrayfi(int size);
void drawQuadArrayfi(GLint *intVertArray, GLfloat *floatTexArray,
int size);
void drawQuadArrayii(int size);
void drawQuadArrayii(GLint *intVertArray, GLint *intTexArray,
int size);
void drawLineArrayi(int size);
void drawLineArrayf(int size);
void initArrays() override;
static void dumpSettings();
/**
* Takes a screenshot and returns it as SDL surface.
*/
SDL_Surface *getScreenshot() override;
void prepareScreenshot() override;
bool drawNet(const int x1, const int y1, const int x2, const int y2,
const int width, const int height) override;
int getMemoryUsage();
void updateTextureFormat();
static void bindTexture(GLenum target, GLuint texture);
static GLuint mLastImage;
protected:
bool drawImage2(const Image *const image,
int srcX, int srcY,
int dstX, int dstY,
const int width, const int height,
const bool useColor) override;
void setTexturingAndBlending(bool enable);
void logString(const char *format, GLenum num);
void updateMemoryInfo();
void debugBindTexture(const Image *image);
private:
void inline setColorAlpha(float alpha);
void inline restoreColor();
GLfloat *mFloatTexArray;
GLint *mIntTexArray;
GLint *mIntVertArray;
bool mAlpha;
bool mTexture;
bool mIsByteColor;
gcn::Color mByteColor;
float mFloatColor;
int mMaxVertices;
bool mColorAlpha;
FBOInfo mFbo;
#ifdef DEBUG_BIND_TEXTURE
std::string mOldTexture;
unsigned mOldTextureId;
#endif
};
#endif
extern unsigned int vertexBufSize;
#endif
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