src/xvmc/subpicture.c

   1 #include <assert.h>
   2 #include <X11/Xlib.h>
   3 #include <X11/extensions/Xvlib.h>
   4 #include <X11/extensions/XvMC.h>
   5 #include <X11/Xlibint.h>
   6
   7 Status XvMCCreateSubpicture
   8 (
   9         Display *display,
  10         XvMCContext *context,
  11         XvMCSubpicture *subpicture,
  12         unsigned short width,
  13         unsigned short height,
  14         int xvimage_id
  15 )
  16 {
  17         Display *dpy = display;
  18         assert(display);
  19
  20         if (!context)
  21                 return XvMCBadContext;
  22
  23         assert(subpicture);
  24
  25         if (width > 2048 || height > 2048)
  26                 return BadValue;
  27
  28         if (xvimage_id != 123)
  29                 return BadMatch;
  30
  31         subpicture->subpicture_id = XAllocID(display);
  32         subpicture->context_id = context->context_id;
  33         subpicture->xvimage_id = xvimage_id;
  34         subpicture->width = width;
  35         subpicture->height = height;
  36         subpicture->num_palette_entries = 0;
  37         subpicture->entry_bytes = 0;
  38         subpicture->component_order[0] = 0;
  39         subpicture->component_order[1] = 0;
  40         subpicture->component_order[2] = 0;
  41         subpicture->component_order[3] = 0;
  42         /* TODO: subpicture->privData = ;*/
  43
  44         SyncHandle();
  45         return Success;
  46 }
  47
  48 Status XvMCClearSubpicture
  49 (
  50         Display *display,
  51         XvMCSubpicture *subpicture,
  52         short x,
  53         short y,
  54         unsigned short width,
  55         unsigned short height,
  56         unsigned int color
  57 )
  58 {
  59         assert(display);
  60
  61         if (!subpicture)
  62                 return XvMCBadSubpicture;
  63
  64         /* TODO: Assert clear rect is within bounds? Or clip? */
  65
  66         return Success;
  67 }
  68
  69 Status XvMCCompositeSubpicture
  70 (
  71         Display *display,
  72         XvMCSubpicture *subpicture,
  73         XvImage *image,
  74         short srcx,
  75         short srcy,
  76         unsigned short width,
  77         unsigned short height,
  78         short dstx,
  79         short dsty
  80 )
  81 {
  82         assert(display);
  83
  84         if (!subpicture)
  85                 return XvMCBadSubpicture;
  86
  87         assert(image);
  88
  89         if (subpicture->xvimage_id != image->id)
  90                 return BadMatch;
  91
  92         /* TODO: Assert rects are within bounds? Or clip? */
  93
  94         return Success;
  95 }
  96
  97 Status XvMCDestroySubpicture(Display *display, XvMCSubpicture *subpicture)
  98 {
  99         assert(display);
 100
 101         if (!subpicture)
 102                 return XvMCBadSubpicture;
 103
 104         return BadImplementation;
 105 }
 106
 107 Status XvMCSetSubpicturePalette(Display *display, XvMCSubpicture *subpicture, unsigned char *palette)
 108 {
 109         assert(display);
 110
 111         if (!subpicture)
 112                 return XvMCBadSubpicture;
 113
 114         assert(palette);
 115
 116         /* We don't support paletted subpictures */
 117         return BadMatch;
 118 }
 119
 120 Status XvMCBlendSubpicture
 121 (
 122         Display *display,
 123         XvMCSurface *target_surface,
 124         XvMCSubpicture *subpicture,
 125         short subx,
 126         short suby,
 127         unsigned short subw,
 128         unsigned short subh,
 129         short surfx,
 130         short surfy,
 131         unsigned short surfw,
 132         unsigned short surfh
 133 )
 134 {
 135         assert(display);
 136
 137         if (!target_surface)
 138                 return XvMCBadSurface;
 139
 140         if (!subpicture)
 141                 return XvMCBadSubpicture;
 142
 143         if (target_surface->context_id != subpicture->context_id)
 144                 return BadMatch;
 145
 146         /* TODO: Assert rects are within bounds? Or clip? */
 147         return Success;
 148 }
 149
 150 Status XvMCBlendSubpicture2
 151 (
 152         Display *display,
 153         XvMCSurface *source_surface,
 154         XvMCSurface *target_surface,
 155         XvMCSubpicture *subpicture,
 156         short subx,
 157         short suby,
 158         unsigned short subw,
 159         unsigned short subh,
 160         short surfx,
 161         short surfy,
 162         unsigned short surfw,
 163         unsigned short surfh
 164 )
 165 {
 166         assert(display);
 167
 168         if (!source_surface || !target_surface)
 169                 return XvMCBadSurface;
 170
 171         if (!subpicture)
 172                 return XvMCBadSubpicture;
 173
 174         if (source_surface->context_id != subpicture->context_id)
 175                 return BadMatch;
 176
 177         if (source_surface->context_id != subpicture->context_id)
 178                 return BadMatch;
 179
 180         /* TODO: Assert rects are within bounds? Or clip? */
 181         return Success;
 182 }
 183
 184 Status XvMCSyncSubpicture(Display *display, XvMCSubpicture *subpicture)
 185 {
 186         assert(display);
 187
 188         if (!subpicture)
 189                 return XvMCBadSubpicture;
 190
 191         return Success;
 192 }
 193
 194 Status XvMCFlushSubpicture(Display *display, XvMCSubpicture *subpicture)
 195 {
 196         assert(display);
 197
 198         if (!subpicture)
 199                 return XvMCBadSubpicture;
 200
 201         return Success;
 202 }
 203
 204 Status XvMCGetSubpictureStatus(Display *display, XvMCSubpicture *subpicture, int *status)
 205 {
 206         assert(display);
 207
 208         if (!subpicture)
 209                 return XvMCBadSubpicture;
 210
 211         assert(status);
 212
 213         /* TODO */
 214         *status = 0;
 215
 216         return Success;
 217 }
 218