mirror of
https://github.com/tuxbox-neutrino/libstb-hal.git
synced 2025-08-26 15:02:58 +02:00
110 lines
3.5 KiB
C++
110 lines
3.5 KiB
C++
/*
|
|
Copyright 2010 Carsten Juttner <carjay@gmx.net>
|
|
Copyright 2012,2013 Stefan Seyfried <seife@tuxboxcvs.slipkontur.de>
|
|
|
|
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
|
|
(at your option) 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 __glthread__
|
|
#define __glthread__
|
|
#include <OpenThreads/Thread>
|
|
#include <OpenThreads/Mutex>
|
|
#include <vector>
|
|
#include <map>
|
|
#include <GL/glew.h>
|
|
#include <GL/freeglut.h>
|
|
#include <GL/gl.h>
|
|
#include <linux/fb.h> /* for screeninfo etc. */
|
|
extern "C" {
|
|
#include <libavutil/rational.h>
|
|
}
|
|
|
|
class GLFramebuffer : public OpenThreads::Thread
|
|
{
|
|
public:
|
|
GLFramebuffer(int x, int y);
|
|
~GLFramebuffer();
|
|
|
|
void run();
|
|
std::vector<unsigned char> *getOSDBuffer() { return &mOSDBuffer; } /* pointer to OSD bounce buffer */
|
|
|
|
int getOSDWidth() { return mState.width; }
|
|
int getOSDHeight() { return mState.height; }
|
|
void blit() { mState.blit = true; }
|
|
|
|
void setOutputFormat(AVRational a, int h, int c) { mOA = a; *mY = h; mCrop = c; mReInit = true; }
|
|
|
|
void clear();
|
|
fb_var_screeninfo getScreenInfo() { return screeninfo; }
|
|
int getWindowID() { return GLWinID; }
|
|
|
|
private:
|
|
fb_var_screeninfo screeninfo;
|
|
int *mX;
|
|
int *mY;
|
|
int _mX[2]; /* output window size */
|
|
int _mY[2]; /* [0] = normal, [1] = fullscreen */
|
|
AVRational mOA; /* output window aspect ratio */
|
|
AVRational mVA; /* video aspect ratio */
|
|
AVRational _mVA; /* for detecting changes in mVA */
|
|
bool mVAchanged;
|
|
float zoom; /* for cropping */
|
|
float xscale; /* and aspect ratio */
|
|
int mCrop; /* DISPLAY_AR_MODE */
|
|
int GLWinID;
|
|
|
|
bool mFullscreen; /* fullscreen? */
|
|
bool mReInit; /* setup things for GL */
|
|
OpenThreads::Mutex mReInitLock;
|
|
bool mShutDown; /* if set main loop is left */
|
|
bool mInitDone; /* condition predicate */
|
|
// OpenThreads::Condition mInitCond; /* condition variable for init */
|
|
// mutable OpenThreads::Mutex mMutex; /* lock our data */
|
|
|
|
std::vector<unsigned char> mOSDBuffer; /* silly bounce buffer */
|
|
|
|
std::map<unsigned char, int> mKeyMap;
|
|
std::map<int, int> mSpecialMap;
|
|
int input_fd;
|
|
int64_t last_apts;
|
|
|
|
static void rendercb(); /* callback for GLUT */
|
|
void render(); /* actual render function */
|
|
static void keyboardcb(unsigned char key, int x, int y);
|
|
static void specialcb(int key, int x, int y);
|
|
static void resizecb(int w, int h);
|
|
void checkReinit(int w, int h); /* e.g. in case window was resized */
|
|
|
|
void initKeys(); /* setup key bindings for window */
|
|
void setupCtx(); /* create the window and make the context current */
|
|
void setupOSDBuffer(); /* create the OSD buffer */
|
|
void setupGLObjects(); /* PBOs, textures and stuff */
|
|
void releaseGLObjects();
|
|
void drawSquare(float size, float x_factor = 1); /* do not be square */
|
|
|
|
struct {
|
|
int width; /* width and height, fixed for a framebuffer instance */
|
|
int height;
|
|
GLuint osdtex; /* holds the OSD texture */
|
|
GLuint pbo; /* PBO we use for transfer to texture */
|
|
GLuint displaytex; /* holds the display texture */
|
|
GLuint displaypbo;
|
|
bool blit;
|
|
} mState;
|
|
|
|
void bltOSDBuffer();
|
|
void bltDisplayBuffer();
|
|
};
|
|
#endif
|