src/gallium/winsys/g3dvl/dri/driclient.h

   1 #ifndef driclient_h
   2 #define driclient_h
   3
   4 #include <stdint.h>
   5 #include <X11/Xmd.h>
   6 #include <X11/Xlib.h>
   7 #include <drm_sarea.h>
   8 //#include <X11/extensions/dri2proto.h>
   9 #include "xf86dri.h"
  10 #include "dri2.h"
  11
  12 /* TODO: Bring in DRI XML options */
  13
  14 typedef struct dri_version
  15 {
  16         int major;
  17         int minor;
  18         int patch;
  19 } dri_version_t;
  20
  21 typedef struct dri_screen
  22 {
  23         Display                 *display;
  24         unsigned int            num;
  25         dri_version_t           ddx, dri, drm;
  26         int                     draw_lock_id;
  27         int                     fd;
  28         drm_sarea_t             *sarea;
  29         void                    *drawable_hash;
  30         void                    *private;
  31 } dri_screen_t;
  32
  33 struct dri_context;
  34
  35 typedef struct dri_drawable
  36 {
  37         drm_drawable_t          drm_drawable;
  38         Drawable                x_drawable;
  39         unsigned int            sarea_index;
  40         unsigned int            *sarea_stamp;
  41         unsigned int            last_sarea_stamp;
  42         int                     x, y, w, h;
  43         int                     back_x, back_y;
  44         int                     num_cliprects, num_back_cliprects;
  45         drm_clip_rect_t         *cliprects, *back_cliprects;
  46         dri_screen_t            *dri_screen;
  47         unsigned int            refcount;
  48         void                    *private;
  49 } dri_drawable_t;
  50
  51 typedef struct dri_context
  52 {
  53         XID                     id;
  54         drm_context_t           drm_context;
  55         dri_screen_t            *dri_screen;
  56         void                    *private;
  57 } dri_context_t;
  58
  59 typedef struct dri_framebuffer
  60 {
  61         drm_handle_t            drm_handle;
  62         int                     base, size, stride;
  63         int                     private_size;
  64         void                    *private;
  65 } dri_framebuffer_t;
  66
  67 int driCreateScreen(Display *display, int screen, dri_screen_t **dri_screen, dri_framebuffer_t *dri_framebuf);
  68 int driDestroyScreen(dri_screen_t *dri_screen);
  69 int driCreateDrawable(dri_screen_t *dri_screen, Drawable drawable, dri_drawable_t **dri_drawable);
  70 int driUpdateDrawableInfo(dri_drawable_t *dri_drawable);
  71 int driDestroyDrawable(dri_drawable_t *dri_drawable);
  72 int driCreateContext(dri_screen_t *dri_screen, Visual *visual, dri_context_t **dri_context);
  73 int driDestroyContext(dri_context_t *dri_context);
  74
  75 #define DRI_VALIDATE_DRAWABLE_INFO_ONCE(dri_drawable)                                   \
  76 do                                                                                      \
  77 {                                                                                       \
  78         if (*(dri_drawable->sarea_stamp) != dri_drawable->last_sarea_stamp)             \
  79                 driUpdateDrawableInfo(dri_drawable);                                    \
  80 } while (0)
  81
  82 #define DRI_VALIDATE_DRAWABLE_INFO(dri_screen, dri_drawable)                                    \
  83 do                                                                                              \
  84 {                                                                                               \
  85         while (*(dri_drawable->sarea_stamp) != dri_drawable->last_sarea_stamp)                  \
  86         {                                                                                       \
  87                 register unsigned int hwContext = dri_screen->sarea->lock.lock &                \
  88                 ~(DRM_LOCK_HELD | DRM_LOCK_CONT);                                               \
  89                 DRM_UNLOCK(dri_screen->fd, &dri_screen->sarea->lock, hwContext);                \
  90                                                                                                 \
  91                 DRM_SPINLOCK(&dri_screen->sarea->drawable_lock, dri_screen->draw_lock_id);      \
  92                 DRI_VALIDATE_DRAWABLE_INFO_ONCE(dri_drawable);                                  \
  93                 DRM_SPINUNLOCK(&dri_screen->sarea->drawable_lock, dri_screen->draw_lock_id);    \
  94                                                                                                 \
  95                 DRM_LIGHT_LOCK(dri_screen->fd, &dri_screen->sarea->lock, hwContext);            \
  96         }                                                                                       \
  97 } while (0)
  98
  99 int dri2CreateScreen(Display *display, int screen, dri_screen_t **dri_screen);
 100 int dri2DestroyScreen(dri_screen_t *dri_screen);
 101 int dri2CreateDrawable(dri_screen_t *dri_screen, XID drawable);
 102 int dri2DestroyDrawable(dri_screen_t *dri_screen, XID drawable);
 103 int dri2CopyDrawable(dri_screen_t *dri_screen, XID drawable, int dest, int src);
 104
 105 #define DRI_BUFFER_FRONT_LEFT           0
 106 #define DRI_BUFFER_BACK_LEFT            1
 107 #define DRI_BUFFER_FRONT_RIGHT          2
 108 #define DRI_BUFFER_BACK_RIGHT           3
 109 #define DRI_BUFFER_DEPTH                4
 110 #define DRI_BUFFER_STENCIL              5
 111 #define DRI_BUFFER_ACCUM                6
 112 #define DRI_BUFFER_FAKE_FRONT_LEFT      7
 113 #define DRI_BUFFER_FAKE_FRONT_RIGHT     8
 114 #define DRI_BUFFER_DEPTH_STENCIL        9  /**< Only available with DRI2 1.1 */
 115
 116 #endif
 117