new version by Sven Goethel

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2125 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 729 insertions, 0 deletions

diff --git a/libvo/vo_gl2.c b/libvo/vo_gl2.c
new file mode 100644
index 0000000000..97401310e8
--- /dev/null
+++ b/libvo/vo_gl2.c
@@ -0,0 +1,729 @@
+#define DISP
+
+// this can be 3 or 4  (regarding 24bpp and 32bpp)
+#define BYTES_PP 3
+
+#define TEXTUREFORMAT_32BPP
+
+/* 
+ * video_out_gl.c, X11/OpenGL interface
+ * based on video_out_x11 by Aaron Holtzman,
+ * and WS opengl window manager by Pontscho/Fresh!
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#include "config.h"
+#include "video_out.h"
+#include "video_out_internal.h"
+
+
+LIBVO_EXTERN(gl2)
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+//#include <X11/keysym.h>
+#include <GL/glx.h>
+#include <errno.h>
+#include "yuv2rgb.h"
+
+#include <GL/gl.h>
+
+#include "x11_common.h"
+#include "aspect.h"
+
+#define NDEBUG
+// #undef NDEBUG
+
+static vo_info_t vo_info = 
+{
+	"X11 (OpenGL)",
+	"gl2",
+	"Arpad Gereoffy <arpi@esp-team.scene.hu>",
+	""
+};
+
+/* private prototypes */
+// static void Display_Image (unsigned char *ImageData);
+
+/* local data */
+static unsigned char *ImageData=NULL;
+
+/* X11 related variables */
+//static Display *mydisplay;
+static Window mywindow;
+//static GC mygc;
+//static XImage *myximage;
+//static int depth,mode;
+//static XWindowAttributes attribs;
+static int X_already_started = 0;
+
+//static int texture_id=1;
+
+static GLXContext wsGLXContext;
+//XVisualInfo        * wsVisualInfo;
+static int                  wsGLXAttrib[] = { GLX_RGBA,
+                                       GLX_RED_SIZE,1,
+                                       GLX_GREEN_SIZE,1,
+                                       GLX_BLUE_SIZE,1,
+//                                       GLX_DEPTH_SIZE,16,
+                                       GLX_DOUBLEBUFFER,
+                                       None };
+
+
+static uint32_t image_width;
+static uint32_t image_height;
+static uint32_t image_format;
+static uint32_t image_bpp;
+static uint32_t image_bytes;
+
+static uint32_t texture_width;
+static uint32_t texture_height;
+static int texnumx, texnumy, memory_x_len, memory_x_start_offset, raw_line_len;
+static GLfloat texpercx, texpercy;
+static struct TexSquare * texgrid;
+
+/* The squares that are tiled to make up the game screen polygon */
+
+struct TexSquare
+{
+  GLubyte *texture;
+  GLuint texobj;
+  int isTexture;
+  GLfloat fx1, fy1, fx2, fy2, fx3, fy3, fx4, fy4;
+  GLfloat xcov, ycov;
+};
+
+static void CalcFlatPoint(int x,int y,GLfloat *px,GLfloat *py)
+{
+  *px=(float)x*texpercx;
+  if(*px>1.0) *px=1.0;
+  *py=(float)y*texpercy;
+  if(*py>1.0) *py=1.0;
+}
+
+static void initTextures()
+{
+  unsigned char *line_1=0, *line_2=0, *mem_start=0;
+  struct TexSquare *tsq=0;
+  int e_x, e_y, s, i=0;
+  int x=0, y=0;
+  GLint format=0;
+  GLenum err;
+
+  /* achieve the 2**e_x:=texture_width, 2**e_y:=texture_height */
+  e_x=0; s=1;
+  while (s<texture_width)
+  { s*=2; e_x++; }
+  texture_width=s;
+
+  e_y=0; s=1;
+  while (s<texture_height)
+  { s*=2; e_y++; }
+  texture_height=s;
+
+
+  /* Test the max texture size */
+  do
+  {
+    glTexImage2D (GL_PROXY_TEXTURE_2D, 0,
+		  BYTES_PP,
+		  texture_width, texture_height,
+		  0, (image_bytes==4)?GL_RGBA:GL_BGR, GL_UNSIGNED_BYTE, NULL); 
+
+    glGetTexLevelParameteriv
+      (GL_PROXY_TEXTURE_2D, 0, GL_TEXTURE_INTERNAL_FORMAT, &format);
+
+    if (format != BYTES_PP)
+    {
+      fprintf (stderr, "GLINFO: Needed texture [%dx%d] too big, trying ",
+		texture_height, texture_width);
+
+      if (texture_width > texture_height)
+      {
+	e_x--;
+	texture_width = 1;
+	for (i = e_x; i > 0; i--)
+	  texture_width *= 2;
+      }
+      else
+      {
+	e_y--;
+	texture_height = 1;
+	for (i = e_y; i > 0; i--)
+	  texture_height *= 2;
+      }
+
+      fprintf (stderr, "[%dx%d] !\n", texture_height, texture_width);
+
+      if(texture_width < 64 || texture_height < 64)
+      {
+      	fprintf (stderr, "GLERROR: Give up .. usable texture size not avaiable, or texture config error !\n");
+	exit(1);
+      }
+    }
+  }
+  while (format != BYTES_PP && texture_width > 1 && texture_height > 1);
+
+  texnumx = image_width / texture_width;
+  if ((image_width % texture_width) > 0)
+    texnumx++;
+
+  texnumy = image_height / texture_height;
+  if ((image_height % texture_height) > 0)
+    texnumy++;
+
+  /* Allocate the texture memory */
+
+  texpercx = (GLfloat) texture_width / (GLfloat) image_width;
+  if (texpercx > 1.0)
+    texpercx = 1.0;
+
+  texpercy = (GLfloat) texture_height / (GLfloat) image_height;
+  if (texpercy > 1.0)
+    texpercy = 1.0;
+
+  texgrid = (struct TexSquare *)
+    calloc (texnumx * texnumy, sizeof (struct TexSquare));
+
+  line_1 = (unsigned char *) ImageData;
+  line_2 = (unsigned char *) ImageData+(image_width*image_bytes);
+
+  mem_start = (unsigned char *) ImageData;
+
+  raw_line_len = line_2 - line_1;
+
+  memory_x_len = raw_line_len / image_bytes;
+
+#ifndef NDEBUG
+  fprintf (stderr, "GLINFO: texture-usage %d*width=%d, %d*height=%d\n",
+		 (int) texnumx, (int) texture_width, (int) texnumy,
+		 (int) texture_height);
+#endif
+
+  for (y = 0; y < texnumy; y++)
+  {
+    for (x = 0; x < texnumx; x++)
+    {
+      tsq = texgrid + y * texnumx + x;
+
+      if (x == texnumx - 1 && image_width % texture_width)
+	tsq->xcov =
+	  (GLfloat) (image_width % texture_width) / (GLfloat) texture_width;
+      else
+	tsq->xcov = 1.0;
+
+      if (y == texnumy - 1 && image_height % texture_height)
+	tsq->ycov =
+	  (GLfloat) (image_height % texture_height) / (GLfloat) texture_height;
+      else
+	tsq->ycov = 1.0;
+
+      CalcFlatPoint (x, y, &(tsq->fx1), &(tsq->fy1));
+      CalcFlatPoint (x + 1, y, &(tsq->fx2), &(tsq->fy2));
+      CalcFlatPoint (x + 1, y + 1, &(tsq->fx3), &(tsq->fy3));
+      CalcFlatPoint (x, y + 1, &(tsq->fx4), &(tsq->fy4));
+
+      /* calculate the pixel store data,
+         to use the machine-bitmap for our texture 
+      */
+      memory_x_start_offset = 0 * image_bytes + 
+                              x * texture_width * image_bytes;
+
+      tsq->texture = line_1 +                           
+		     y * texture_height * raw_line_len +  
+		     memory_x_start_offset;           
+
+      tsq->isTexture=GL_FALSE;
+      tsq->texobj=0;
+
+      glGenTextures (1, &(tsq->texobj));
+
+      glBindTexture (GL_TEXTURE_2D, tsq->texobj);
+      err = glGetError ();
+      if(err==GL_INVALID_ENUM)
+      {
+	fprintf (stderr, "GLERROR glBindTexture (glGenText) := GL_INVALID_ENUM, texnum x=%d, y=%d, texture=%d\n", x, y, tsq->texobj);
+      } 
+
+      if(glIsTexture(tsq->texobj) == GL_FALSE)
+      {
+	fprintf (stderr, "GLERROR ain't a texture (glGenText): texnum x=%d, y=%d, texture=%d\n",
+		x, y, tsq->texobj);
+      } else {
+        tsq->isTexture=GL_TRUE;
+      }
+
+      glTexImage2D (GL_TEXTURE_2D, 0,
+		    BYTES_PP,
+		    texture_width, texture_height,
+		    0, (image_bytes==4)?GL_RGBA:GL_BGR, GL_UNSIGNED_BYTE, NULL); 
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_PRIORITY, 1.0);
+
+      glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+      glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+      glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+      glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+
+      glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+    }	/* for all texnumx */
+  }  /* for all texnumy */
+}
+
+static void drawTextureDisplay ()
+{
+  struct TexSquare *square;
+  int x, y, xoff=0, yoff=0, wd, ht;
+  GLenum err;
+
+  glColor3f(1.0,1.0,1.0);
+
+  for (y = 0; y < texnumy; y++)
+  {
+    for (x = 0; x < texnumx; x++)
+    {
+      square = texgrid + y * texnumx + x;
+
+      if(square->isTexture==GL_FALSE)
+      {
+	#ifndef NDEBUG
+	  fprintf (stderr, "GLINFO ain't a texture(update): texnum x=%d, y=%d, texture=%d\n",
+	  	x, y, square->texobj);
+	#endif
+      	continue;
+      }
+
+      glBindTexture (GL_TEXTURE_2D, square->texobj);
+      err = glGetError ();
+      if(err==GL_INVALID_ENUM)
+      {
+	fprintf (stderr, "GLERROR glBindTexture := GL_INVALID_ENUM, texnum x=%d, y=%d, texture=%d\n", x, y, square->texobj);
+      }
+      #ifndef NDEBUG
+	      else if(err==GL_INVALID_OPERATION) {
+		fprintf (stderr, "GLERROR glBindTexture := GL_INVALID_OPERATION, texnum x=%d, y=%d, texture=%d\n", x, y, square->texobj);
+	      }
+      #endif
+
+      if(glIsTexture(square->texobj) == GL_FALSE)
+      {
+        square->isTexture=GL_FALSE;
+	fprintf (stderr, "GLERROR ain't a texture(update): texnum x=%d, y=%d, texture=%d\n",
+		x, y, square->texobj);
+      }
+
+      /* This is the quickest way I know of to update the texture */
+	if (x < texnumx - 1)
+	  wd = texture_width;
+	else
+	  wd = image_width - texture_width * x;
+
+	if (y < texnumy - 1)
+	  ht = texture_height;
+	else
+	  ht = image_height - texture_height * y;
+
+	glTexSubImage2D (GL_TEXTURE_2D, 0, 
+		 xoff, yoff,
+		 wd, ht,
+		 (BYTES_PP==4)?GL_RGBA:GL_RGB,        // format
+		 GL_UNSIGNED_BYTE, // type
+		 square->texture);
+
+#ifndef NDEBUG
+        fprintf (stdout, "GLINFO glTexSubImage2D texnum x=%d, y=%d, %d/%d - %d/%d\n", x, y, xoff, yoff, wd, ht);
+#endif
+
+	glBegin(GL_QUADS);
+
+	glTexCoord2f (0, 0);
+	glVertex2f (square->fx1, square->fy1);
+
+	glTexCoord2f (0, square->ycov);
+	glVertex2f (square->fx4, square->fy4);
+
+	glTexCoord2f (square->xcov, square->ycov);
+	glVertex2f (square->fx3, square->fy3);
+
+	glTexCoord2f (square->xcov, 0);
+	glVertex2f (square->fx2, square->fy2);
+
+#ifndef NDEBUG
+        fprintf (stdout, "GLINFO GL_QUADS texnum x=%d, y=%d, %f/%f %f/%f %f/%f %f/%f\n\n", x, y, square->fx1, square->fy1, square->fx4, square->fy4,
+	square->fx3, square->fy3, square->fx2, square->fy2);
+#endif
+
+   /*
+    glTexCoord2f(0,0);glVertex2i(0,0);
+    glTexCoord2f(0,1);glVertex2i(0,texture_height);
+    glTexCoord2f(1,1);glVertex2i(texture_width,texture_height);
+    glTexCoord2f(1,0);glVertex2i(texture_width,0);
+   */
+
+	glEnd();
+    } /* for all texnumx */
+  } /* for all texnumy */
+
+  /* YES - lets catch this error ... 
+   */
+  (void) glGetError ();
+}
+
+
+static void resize(int x,int y){
+  printf("[gl] Resize: %dx%d\n",x,y);
+  glViewport( 0, 0, x, y );
+
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  //glOrtho(0, image_width, image_height, 0, -1,1);
+  glOrtho (0, 1, 1, 0, -1.0, 1.0);
+
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+}
+
+/* connect to server, create and map window,
+ * allocate colors and (shared) memory
+ */
+static uint32_t 
+init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format)
+{
+//	int screen;
+        int dwidth,dheight;
+	unsigned int fg, bg;
+	char *hello = (title == NULL) ? "OpenGL rulez" : title;
+//	char *name = ":0.0";
+	XSizeHints hint;
+	XVisualInfo *vinfo;
+	XEvent xev;
+
+//	XGCValues xgcv;
+	XSetWindowAttributes xswa;
+	unsigned long xswamask;
+
+	image_height = height;
+	image_width = width;
+	image_format = format;
+  
+	if (X_already_started) return -1;
+	if(!vo_init()) return -1;
+
+	X_already_started++;
+
+        dwidth=d_width; dheight=d_height;
+#ifdef X11_FULLSCREEN
+        if( flags&0x01 ){ // (-fs)
+          aspect(&d_width,&d_height,vo_screenwidth,vo_screenheight);
+          dwidth=d_width; dheight=d_height;
+        }
+#endif
+	hint.x = 0;
+	hint.y = 0;
+	hint.width = d_width;
+	hint.height = d_height;
+	hint.flags = PPosition | PSize;
+
+	/* Get some colors */
+
+	bg = WhitePixel(mDisplay, mScreen);
+	fg = BlackPixel(mDisplay, mScreen);
+
+	/* Make the window */
+
+//	XGetWindowAttributes(mDisplay, DefaultRootWindow(mDisplay), &attribs);
+
+//	XMatchVisualInfo(mDisplay, screen, depth, TrueColor, &vinfo);
+  vinfo=glXChooseVisual( mDisplay,mScreen,wsGLXAttrib );
+  if (vinfo == NULL)
+  {
+    printf("[gl] no GLX support present\n");
+    return -1;
+  }
+
+	xswa.background_pixel = 0;
+	xswa.border_pixel     = 1;
+//	xswa.colormap         = XCreateColormap(mDisplay, mRootWin, vinfo.visual, AllocNone);
+	xswa.colormap         = XCreateColormap(mDisplay, mRootWin, vinfo->visual, AllocNone);
+	xswamask = CWBackPixel | CWBorderPixel | CWColormap;
+//  xswamask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWCursor | CWOverrideRedirect | CWSaveUnder | CWX | CWY | CWWidth | CWHeight;
+
+  mywindow = XCreateWindow(mDisplay, RootWindow(mDisplay,mScreen),
+    hint.x, hint.y, hint.width, hint.height, 4, vinfo->depth,CopyFromParent,vinfo->visual,xswamask,&xswa);
+
+  vo_x11_classhint( mDisplay,mywindow,"gl" );
+  vo_hidecursor(mDisplay,mywindow);
+
+  wsGLXContext=glXCreateContext( mDisplay,vinfo,NULL,True );
+//  XStoreName( wsDisplay,wsMyWin,wsSysName );
+
+//  printf("GLXcontext ok\n");
+
+  if ( flags&0x01 ) vo_x11_decoration( mDisplay,mywindow,0 );
+
+	XSelectInput(mDisplay, mywindow, StructureNotifyMask);
+
+	/* Tell other applications about this window */
+
+	XSetStandardProperties(mDisplay, mywindow, hello, hello, None, NULL, 0, &hint);
+
+	/* Map window. */
+
+	XMapWindow(mDisplay, mywindow);
+
+	/* Wait for map. */
+	do 
+	{
+		XNextEvent(mDisplay, &xev);
+	}
+	while (xev.type != MapNotify || xev.xmap.event != mywindow);
+
+	XSelectInput(mDisplay, mywindow, NoEventMask);
+
+  glXMakeCurrent( mDisplay,mywindow,wsGLXContext );
+
+	XFlush(mDisplay);
+	XSync(mDisplay, False);
+
+//	mygc = XCreateGC(mDisplay, mywindow, 0L, &xgcv);
+
+//		myximage = XGetImage(mDisplay, mywindow, 0, 0,
+//		width, image_height, AllPlanes, ZPixmap);
+//		ImageData = myximage->data;
+//	bpp = myximage->bits_per_pixel;
+
+	//XSelectInput(mDisplay, mywindow, StructureNotifyMask); // !!!!
+        XSelectInput(mDisplay, mywindow, StructureNotifyMask | KeyPressMask );
+
+//  printf("Window setup ok\n");
+
+#if 0
+	// If we have blue in the lowest bit then obviously RGB 
+	mode = ((myximage->blue_mask & 0x01) != 0) ? MODE_RGB : MODE_BGR;
+#ifdef WORDS_BIGENDIAN 
+	if (myximage->byte_order != MSBFirst)
+#else
+	if (myximage->byte_order != LSBFirst) 
+#endif
+	{
+		printf("[gl] no support for non-native XImage byte order!\n");
+		return -1;
+	}
+
+  printf("DEPTH=%d  BPP=%d\n",depth,bpp);
+#endif
+
+	/* 
+	 * If depth is 24 then it may either be a 3 or 4 byte per pixel
+	 * format. We can't use bpp because then we would lose the 
+	 * distinction between 15/16bit depth (2 byte formate assumed).
+	 *
+	 * FIXME - change yuv2rgb_init to take both depth and bpp
+	 * parameters
+	 */
+
+  if(format==IMGFMT_YV12){
+    yuv2rgb_init(8*BYTES_PP, MODE_BGR);
+    printf("[gl] YUV init OK!\n");
+    image_bpp=8*BYTES_PP;
+    image_bytes=BYTES_PP;
+  } else {
+    image_bpp=format&0xFF;
+    image_bytes=(image_bpp+7)/8;
+  }
+
+  ImageData=malloc(image_width*image_height*image_bytes);
+  memset(ImageData,128,image_width*image_height*image_bytes);
+
+  texture_width=image_width;
+  texture_height=image_height;
+  initTextures();
+
+  printf("[gl] Creating %dx%d texture...\n",texture_width,texture_height);
+
+  glDisable(GL_BLEND); 
+  glDisable(GL_DEPTH_TEST);
+  glDepthMask(GL_FALSE);
+  glDisable(GL_CULL_FACE);
+
+  glPixelStorei (GL_UNPACK_ROW_LENGTH, memory_x_len);
+//  glPixelStorei (GL_UNPACK_ALIGNMENT, 8); // causes non-12*n wide images to be broken
+  glEnable (GL_TEXTURE_2D);
+
+  drawTextureDisplay ();
+
+  printf("[gl] Creating %dx%d texture...\n",texture_width,texture_height);
+
+/*
+#if 1
+//  glBindTexture(GL_TEXTURE_2D, texture_id);
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+  glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+#ifdef TEXTUREFORMAT_32BPP
+  glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, texture_width, texture_height, 0,
+#else
+  glTexImage2D(GL_TEXTURE_2D, 0, BYTES_PP, texture_width, texture_height, 0,
+#endif
+       (image_bytes==4)?GL_RGBA:GL_BGR, GL_UNSIGNED_BYTE, NULL);
+#endif
+*/
+
+  resize(d_width,d_height);
+
+  glClearColor( 1.0f,0.0f,1.0f,0.0f );
+  glClear( GL_COLOR_BUFFER_BIT );
+
+//  printf("OpenGL setup OK!\n");
+
+      saver_off(mDisplay);  // turning off screen saver
+
+	return 0;
+}
+
+static const vo_info_t*
+get_info(void)
+{
+	return &vo_info;
+}
+
+static void 
+Terminate_Display_Process(void) 
+{
+	getchar();	/* wait for enter to remove window */
+	XDestroyWindow(mDisplay, mywindow);
+	XCloseDisplay(mDisplay);
+	X_already_started = 0;
+}
+
+
+static void check_events(void)
+{
+    int e=vo_x11_check_events(mDisplay);
+    if(e&VO_EVENT_RESIZE) resize(vo_dwidth,vo_dheight);
+}
+
+static void draw_osd(void)
+{
+}
+
+static void
+flip_page(void)
+{
+
+  drawTextureDisplay();
+
+//  glFlush();
+  glFinish();
+  glXSwapBuffers( mDisplay,mywindow );
+  
+}
+
+//static inline uint32_t draw_slice_x11(uint8_t *src[], uint32_t slice_num)
+static uint32_t draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y)
+{
+    int i;
+    int dstride=w*BYTES_PP;
+    
+//    dstride=(dstride+15)&(~15);
+
+	yuv2rgb(ImageData+y*raw_line_len, src[0], src[1], src[2], 
+			w,h, dstride, stride[0],stride[1]);
+
+//	emms ();
+
+#ifndef NDEBUG
+     printf("slice: %d/%d -> %d/%d (%dx%d)\n", 
+	x, y, x+w-1, y+h-1, w, h);
+#endif
+
+	return 0;
+}
+
+static inline uint32_t 
+draw_frame_x11_bgr(uint8_t *src[])
+{
+uint8_t *s=src[0];
+uint8_t *d=ImageData;
+uint8_t *de=d+3*image_width*image_height;
+int i;
+
+      // RGB->BGR
+      while(d<de){
+#if 1
+        d[0]=s[2];
+        d[1]=s[1];
+        d[2]=s[0];
+        s+=3;d+=3;
+#else
+	// R1 G1 B1 R2   G2 B2
+	// B1 G1 R1 B2   G2 R2
+
+        unsigned int a=*((unsigned int*)s);
+	unsigned short b=*((unsigned short*)(s+4));
+	*((unsigned int*)d)=((a>>16)&0xFF)|(a&0xFF00)|((a&0xFF)<<16)|((b>>8)<<24);
+	*((unsigned short*)(d+4))=(b&0xFF)|((a>>24)<<8);
+	s+=6;d+=6;
+#endif
+      }
+
+    for(i=0;i<image_height;i++) ImageData[image_width*BYTES_PP*i+20]=128;
+
+//     printf("draw_frame_x11_bgr\n");
+//    drawTextureDisplay ();
+
+//	Display_Image(ImageData);
+	return 0; 
+}
+
+static inline uint32_t 
+draw_frame_x11_rgb(uint8_t *src[])
+{
+int i;
+uint8_t *ImageData=src[0];
+
+     printf("draw_frame_x11_rgb not implemented\n");
+//    drawTextureDisplay ();
+
+//	Display_Image(ImageData);
+	return 0; 
+}
+
+
+static uint32_t
+draw_frame(uint8_t *src[])
+{
+    uint32_t res = 0;
+
+    if((image_format&IMGFMT_RGB_MASK)==IMGFMT_RGB)
+	res = draw_frame_x11_rgb(src);
+    else
+	res = draw_frame_x11_bgr(src);
+
+    //flip_page();
+    return res;
+}
+
+static uint32_t
+query_format(uint32_t format)
+{
+    switch(format){
+    case IMGFMT_YV12:
+    case IMGFMT_RGB|24:
+    case IMGFMT_BGR|24:
+        return 1;
+    }
+    return 0;
+}
+
+
+static void
+uninit(void)
+{
+  saver_on(mDisplay); // screen saver back on
+  XDestroyWindow( mDisplay,mywindow );
+}