C++ (Cpp) stw_framebuffer_from_hdc_locked示例

示例#1

文件： stw_framebuffer.c 项目： MIPS/external-mesa3d

/**
 * Given an HDC, return the corresponding stw_framebuffer.
 * The returned stw_framebuffer will have its mutex locked.
 */
struct stw_framebuffer *
stw_framebuffer_from_hdc(HDC hdc)
{
   struct stw_framebuffer *fb;

   if (!stw_dev)
      return NULL;

   stw_lock_framebuffers(stw_dev);
   fb = stw_framebuffer_from_hdc_locked(hdc);
   stw_unlock_framebuffers(stw_dev);

   return fb;
}

示例#2

文件： stw_framebuffer.c 项目： RareHare/reactos

/**
 * Given an hdc, return the corresponding stw_framebuffer.
 */
struct stw_framebuffer *
stw_framebuffer_from_hdc(
   HDC hdc )
{
   struct stw_framebuffer *fb;

   if (!stw_dev)
      return NULL;

   pipe_mutex_lock( stw_dev->fb_mutex );
   fb = stw_framebuffer_from_hdc_locked(hdc);
   pipe_mutex_unlock( stw_dev->fb_mutex );

   return fb;
}

示例#3

文件： stw_framebuffer.c 项目： MIPS/external-mesa3d

BOOL APIENTRY
DrvSetPixelFormat(HDC hdc, LONG iPixelFormat)
{
   uint count;
   uint index;
   struct stw_framebuffer *fb;

   if (!stw_dev)
      return FALSE;

   index = (uint) iPixelFormat - 1;
   count = stw_pixelformat_get_count();
   if (index >= count)
      return FALSE;

   fb = stw_framebuffer_from_hdc_locked(hdc);
   if (fb) {
      /*
       * SetPixelFormat must be called only once.  However ignore
       * pbuffers, for which the framebuffer object is created first.
       */
      boolean bPbuffer = fb->bPbuffer;

      stw_framebuffer_unlock( fb );

      return bPbuffer;
   }

   fb = stw_framebuffer_create(hdc, iPixelFormat);
   if (!fb) {
      return FALSE;
   }

   stw_framebuffer_unlock( fb );

   /* Some applications mistakenly use the undocumented wglSetPixelFormat
    * function instead of SetPixelFormat, so we call SetPixelFormat here to
    * avoid opengl32.dll's wglCreateContext to fail */
   if (GetPixelFormat(hdc) == 0) {
      BOOL bRet = SetPixelFormat(hdc, iPixelFormat, NULL);
      if (!bRet) {
	  debug_printf("SetPixelFormat failed\n");
      }
   }

   return TRUE;
}

示例#4

文件： stw_framebuffer.c 项目： RareHare/reactos

BOOL APIENTRY
DrvSetPixelFormat(
   HDC hdc,
   LONG iPixelFormat )
{
   uint count;
   uint index;
   struct stw_framebuffer *fb;

   if (!stw_dev)
      return FALSE;

   index = (uint) iPixelFormat - 1;
   count = stw_pixelformat_get_extended_count();
   if (index >= count)
      return FALSE;

   fb = stw_framebuffer_from_hdc_locked(hdc);
   if(fb) {
      /* SetPixelFormat must be called only once */
      stw_framebuffer_release( fb );
      return FALSE;
   }

   fb = stw_framebuffer_create(hdc, iPixelFormat);
   if(!fb) {
      return FALSE;
   }
      
   stw_framebuffer_release( fb );

   /* Some applications mistakenly use the undocumented wglSetPixelFormat 
    * function instead of SetPixelFormat, so we call SetPixelFormat here to 
    * avoid opengl32.dll's wglCreateContext to fail */
   if (GetPixelFormat(hdc) == 0) {
        SetPixelFormat(hdc, iPixelFormat, NULL);
   }
   
   return TRUE;
}