src/gallium/state_trackers/xorg/xorg_xvmc.c

   1 #include "xorg_tracker.h"
   2
   3 #include <xf86.h>
   4 #include <xf86xv.h>
   5 #include <xf86xvmc.h>
   6 #include <X11/extensions/Xv.h>
   7 #include <X11/extensions/XvMC.h>
   8 #include <fourcc.h>
   9
  10 #define FOURCC_RGB 0x0000003
  11 #define XVIMAGE_RGB                                                             \
  12 {                                                                               \
  13         FOURCC_RGB,                                                             \
  14         XvRGB,                                                                  \
  15         LSBFirst,                                                               \
  16         {                                                                       \
  17                 'R', 'G', 'B', 0x00,                                            \
  18                 0x00,0x00,0x00,0x10,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71     \
  19         },                                                                      \
  20         32,                                                                     \
  21         XvPacked,                                                               \
  22         1,                                                                      \
  23         24, 0x00FF0000, 0x0000FF00, 0x000000FF,                                 \
  24         0, 0, 0,                                                                \
  25         0, 0, 0,                                                                \
  26         0, 0, 0,                                                                \
  27         {                                                                       \
  28                 'B','G','R','X',                                                \
  29                 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0         \
  30         },                                                                      \
  31         XvTopToBottom                                                           \
  32 }
  33
  34 static int subpicture_index_list[] = {
  35    FOURCC_RGB,
  36    FOURCC_IA44,
  37    FOURCC_AI44
  38 };
  39
  40 static XF86MCImageIDList subpicture_list =
  41 {
  42    sizeof(subpicture_index_list)/sizeof(*subpicture_index_list),
  43    subpicture_index_list
  44 };
  45
  46 static XF86MCSurfaceInfoRec yv12_mpeg2_surface =
  47 {
  48    FOURCC_I420,
  49    XVMC_CHROMA_FORMAT_420,
  50    0,
  51    2048, 2048, 2048, 2048,
  52    XVMC_IDCT | XVMC_MPEG_2,
  53    XVMC_SUBPICTURE_INDEPENDENT_SCALING | XVMC_BACKEND_SUBPICTURE,
  54    &subpicture_list
  55 };
  56
  57 static const XF86MCSurfaceInfoRec uyvy_mpeg2_surface =
  58 {
  59    FOURCC_UYVY,
  60    XVMC_CHROMA_FORMAT_422,
  61    0,
  62    2048, 2048, 2048, 2048,
  63    XVMC_IDCT | XVMC_MPEG_2,
  64    XVMC_SUBPICTURE_INDEPENDENT_SCALING | XVMC_BACKEND_SUBPICTURE,
  65    &subpicture_list
  66 };
  67
  68 static XF86MCSurfaceInfoPtr surfaces[] =
  69 {
  70    (XF86MCSurfaceInfoPtr)&yv12_mpeg2_surface,
  71    (XF86MCSurfaceInfoPtr)&uyvy_mpeg2_surface
  72 };
  73
  74 static const XF86ImageRec rgb_subpicture = XVIMAGE_RGB;
  75 static const XF86ImageRec ia44_subpicture = XVIMAGE_IA44;
  76 static const XF86ImageRec ai44_subpicture = XVIMAGE_AI44;
  77
  78 static XF86ImagePtr subpictures[] =
  79 {
  80    (XF86ImagePtr)&rgb_subpicture,
  81    (XF86ImagePtr)&ia44_subpicture,
  82    (XF86ImagePtr)&ai44_subpicture
  83 };
  84
  85 static const XF86MCAdaptorRec adaptor_template =
  86 {
  87    "",
  88    sizeof(surfaces)/sizeof(*surfaces),
  89    surfaces,
  90    sizeof(subpictures)/sizeof(*subpictures),
  91    subpictures,
  92    (xf86XvMCCreateContextProcPtr)NULL,
  93    (xf86XvMCDestroyContextProcPtr)NULL,
  94    (xf86XvMCCreateSurfaceProcPtr)NULL,
  95    (xf86XvMCDestroySurfaceProcPtr)NULL,
  96    (xf86XvMCCreateSubpictureProcPtr)NULL,
  97    (xf86XvMCDestroySubpictureProcPtr)NULL
  98 };
  99
 100 void
 101 xorg_xvmc_init(ScreenPtr pScreen, char *name)
 102 {
 103    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 104    XF86MCAdaptorPtr adaptorXvMC = xf86XvMCCreateAdaptorRec();
 105    if (!adaptorXvMC)
 106       return;
 107
 108    *adaptorXvMC = adaptor_template;
 109    adaptorXvMC->name = name;
 110    xf86DrvMsg(pScrn->scrnIndex, X_INFO,
 111               "[XvMC] Associated with %s.\n", name);
 112    if (!xf86XvMCScreenInit(pScreen, 1, &adaptorXvMC))
 113       xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 114                  "[XvMC] Failed to initialize extension.\n");
 115    else
 116       xf86DrvMsg(pScrn->scrnIndex, X_INFO,
 117                  "[XvMC] Extension initialized.\n");
 118    xf86XvMCDestroyAdaptorRec(adaptorXvMC);
 119 }