allow access to gfbdc from python to set resolution
[enigma2.git] / lib / gdi / gfbdc.cpp
index 871ccd2..02ebc4f 100644 (file)
@@ -17,62 +17,15 @@ gFBDC::gFBDC()
        if (!fb->Available())
                eFatal("no framebuffer available");
 
-       fb->SetMode(720, 576, 32);
+       surface.clut.data = 0;
+       setResolution(720, 576); // default res
 
-       for (int y=0; y<576; y++)                                                                                                                                                // make whole screen transparent
-               memset(fb->lfb+y*fb->Stride(), 0x00, fb->Stride());
-
-       surface.type = 0;
-       surface.x = 720;
-       surface.y = 576;
-       surface.bpp = 32;
-       surface.bypp = 4;
-       surface.stride = fb->Stride();
-       surface.data = fb->lfb;
-       surface.offset = 0;
-       
-       surface.data_phys = 50*1024*1024; // FIXME
-       
-       int fb_size = surface.stride * surface.y;
-
-       if (fb->getNumPages() > 1)
-       {
-               m_enable_double_buffering = 1;
-               surface_back.type = 0;
-               surface_back.x = 720;
-               surface_back.y = 576;
-               surface_back.bpp = 32;
-               surface_back.bypp = 4;
-               surface_back.stride = fb->Stride();
-               surface_back.offset = surface.y;
-               surface_back.data = fb->lfb + fb_size;
-               surface_back.data_phys = surface.data_phys + fb_size;
-       
-               fb_size *= 2;
-       } else
-               m_enable_double_buffering = 0;
-       
-       eDebug("%dkB available for acceleration surfaces.", (fb->Available() - fb_size)/1024);
-       eDebug("resolution: %d x %d x %d (stride: %d)", surface.x, surface.y, surface.bpp, fb->Stride());
-
-       if (gAccel::getInstance())
-               gAccel::getInstance()->setAccelMemorySpace(fb->lfb + fb_size, surface.data_phys + fb_size, fb->Available() - fb_size);
-       
-       surface.clut.colors = 256;
-       surface.clut.data = new gRGB[surface.clut.colors];
-       
-       surface_back.clut = surface.clut;
-       
-       m_pixmap = new gPixmap(&surface);
-       
-       memset(surface.clut.data, 0, sizeof(*surface.clut.data)*surface.clut.colors);
        reloadSettings();
 }
 
 gFBDC::~gFBDC()
 {
        delete fb;
-       
        delete[] surface.clut.data;
        instance=0;
 }
@@ -94,7 +47,7 @@ void gFBDC::calcRamp()
                if (d > 255)
                        d=255;
                ramp[i]=d;
-               
+
                rampalpha[i]=i*alpha/256;
        }
 #endif
@@ -120,7 +73,7 @@ void gFBDC::setPalette()
 {
        if (!surface.clut.data)
                return;
-       
+
        for (int i=0; i<256; ++i)
        {
                fb->CMAP()->red[i]=ramp[surface.clut.data[i].r]<<8;
@@ -148,7 +101,7 @@ void gFBDC::exec(gOpcode *o)
                        gSurface s(surface);
                        surface = surface_back;
                        surface_back = s;
-               
+
                        fb->setOffset(surface_back.offset);
                }
                break;
@@ -158,19 +111,19 @@ void gFBDC::exec(gOpcode *o)
                static timeval l;
                static int t;
                timeval now;
-               
+
                if (t == 1000)
                {
                        gettimeofday(&now, 0);
-               
+
                        int diff = (now.tv_sec - l.tv_sec) * 1000 + (now.tv_usec - l.tv_usec) / 1000;
                        eDebug("%d ms latency (%d fps)", diff, t * 1000 / (diff ? diff : 1));
                        l = now;
                        t = 0;
                }
-               
+
                ++t;
-               
+
                fb->waitVSync();
                break;
        }
@@ -204,6 +157,66 @@ void gFBDC::setGamma(int g)
        setPalette();
 }
 
+void gFBDC::setResolution(int xres, int yres)
+{
+       if ((m_xres == xres) && (m_yres == yres))
+               return;
+
+       m_xres = xres; m_yres = yres;
+
+       fb->SetMode(m_xres, m_yres, 32);
+
+       for (int y=0; y<m_yres; y++)    // make whole screen transparent
+               memset(fb->lfb+y*fb->Stride(), 0x00, fb->Stride());
+
+       surface.type = 0;
+       surface.x = m_xres;
+       surface.y = m_yres;
+       surface.bpp = 32;
+       surface.bypp = 4;
+       surface.stride = fb->Stride();
+       surface.data = fb->lfb;
+       surface.offset = 0;
+
+       surface.data_phys = 50*1024*1024; // FIXME
+
+       int fb_size = surface.stride * surface.y;
+
+       if (fb->getNumPages() > 1)
+       {
+               m_enable_double_buffering = 1;
+               surface_back.type = 0;
+               surface_back.x = m_xres;
+               surface_back.y = m_yres;
+               surface_back.bpp = 32;
+               surface_back.bypp = 4;
+               surface_back.stride = fb->Stride();
+               surface_back.offset = surface.y;
+               surface_back.data = fb->lfb + fb_size;
+               surface_back.data_phys = surface.data_phys + fb_size;
+
+               fb_size *= 2;
+       } else
+               m_enable_double_buffering = 0;
+
+       eDebug("%dkB available for acceleration surfaces.", (fb->Available() - fb_size)/1024);
+       eDebug("resolution: %d x %d x %d (stride: %d)", surface.x, surface.y, surface.bpp, fb->Stride());
+
+       if (gAccel::getInstance())
+               gAccel::getInstance()->setAccelMemorySpace(fb->lfb + fb_size, surface.data_phys + fb_size, fb->Available() - fb_size);
+
+       if (!surface.clut.data)
+       {
+               surface.clut.colors = 256;
+               surface.clut.data = new gRGB[surface.clut.colors];
+               memset(surface.clut.data, 0, sizeof(*surface.clut.data)*surface.clut.colors);
+       }
+
+       surface_back.clut = surface.clut;
+
+       m_pixmap = new gPixmap(&surface);
+}
+
 void gFBDC::saveSettings()
 {
 }