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#include "Graphics.h"
#include "font.h"
#include <pthread.h>
#ifdef OGLI
static pthread_mutex_t gMutex = PTHREAD_MUTEX_INITIALIZER;
Graphics::Graphics():
sdl_scale(1)
{
if(gMutex == PTHREAD_MUTEX_INITIALIZER)
pthread_mutex_init (&gMutex, NULL);
Reset();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
//Texture for main UI
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &vidBuf);
glBindTexture(GL_TEXTURE_2D, vidBuf);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, XRES+BARSIZE, YRES+MENUSIZE, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
glGenTextures(1, &textTexture);
glBindTexture(GL_TEXTURE_2D, textTexture);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
}
void Graphics::Acquire()
{
pthread_mutex_lock(&gMutex);
}
void Graphics::Release()
{
pthread_mutex_unlock(&gMutex);
}
Graphics::~Graphics()
{
}
void Graphics::Reset()
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
//glOrtho(0, (XRES+BARSIZE)*sdl_scale, 0, (YRES+MENUSIZE)*sdl_scale, -1, 1);
glOrtho(0, (XRES+BARSIZE)*sdl_scale, (YRES+MENUSIZE)*sdl_scale, 0, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
//glRasterPos2i(0, (YRES+MENUSIZE));
glRasterPos2i(0, 0);
glPixelZoom(1, 1);
}
void Graphics::Clear()
{
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
}
void Graphics::Finalise()
{
glFlush();
}
#define VIDXRES XRES+BARSIZE
#define VIDYRES YRES+MENUSIZE
#define PIXELMETHODS_CLASS Graphics
#include "OpenGLDrawMethods.inl"
#undef VIDYRES
#undef VIDXRES
#undef PIXELMETHODS_CLASS
#endif
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