src/gallium/state_trackers/dri/common/dri_drawable.h

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   3  * Copyright 2009, VMware, Inc.
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  27
  28 #ifndef DRI_DRAWABLE_H
  29 #define DRI_DRAWABLE_H
  30
  31 #include "pipe/p_compiler.h"
  32 #include "pipe/p_format.h"
  33 #include "state_tracker/st_api.h"
  34
  35 struct pipe_surface;
  36 struct st_framebuffer;
  37 struct dri_context;
  38
  39 #define DRI_SWAP_FENCES_MAX 4
  40 #define DRI_SWAP_FENCES_MASK 3
  41 #define DRI_SWAP_FENCES_DEFAULT 1
  42
  43 struct dri_drawable
  44 {
  45    struct st_framebuffer_iface base;
  46    struct st_visual stvis;
  47
  48    struct dri_screen *screen;
  49
  50    /* dri */
  51    __DRIdrawable *dPriv;
  52    __DRIscreen *sPriv;
  53
  54    __DRIbuffer old[8];
  55    unsigned old_num;
  56    unsigned old_w;
  57    unsigned old_h;
  58
  59    struct pipe_resource *textures[ST_ATTACHMENT_COUNT];
  60    unsigned int texture_mask, texture_stamp;
  61
  62    struct pipe_fence_handle *swap_fences[DRI_SWAP_FENCES_MAX];
  63    unsigned int cur_fences;
  64    unsigned int head;
  65    unsigned int tail;
  66    unsigned int desired_fences;
  67
  68    /* used only by DRISW */
  69    struct pipe_surface *drisw_surface;
  70
  71    /* hooks filled in by dri2 & drisw */
  72    void (*allocate_textures)(struct dri_drawable *drawable,
  73                              const enum st_attachment_type *statts,
  74                              unsigned count);
  75
  76    void (*update_drawable_info)(struct dri_drawable *drawable);
  77
  78    void (*flush_frontbuffer)(struct dri_drawable *drawable,
  79                              enum st_attachment_type statt);
  80
  81    void (*update_tex_buffer)(struct dri_drawable *drawable,
  82                              struct dri_context *ctx,
  83                              struct pipe_resource *res);
  84 };
  85
  86 static INLINE struct dri_drawable *
  87 dri_drawable(__DRIdrawable * driDrawPriv)
  88 {
  89    return (struct dri_drawable *) (driDrawPriv)
  90       ? driDrawPriv->driverPrivate : NULL;
  91 }
  92
  93 /***********************************************************************
  94  * dri_drawable.c
  95  */
  96 boolean
  97 dri_create_buffer(__DRIscreen * sPriv,
  98                   __DRIdrawable * dPriv,
  99                   const struct gl_config * visual, boolean isPixmap);
 100
 101 void dri_destroy_buffer(__DRIdrawable * dPriv);
 102
 103 void
 104 dri_drawable_get_format(struct dri_drawable *drawable,
 105                         enum st_attachment_type statt,
 106                         enum pipe_format *format,
 107                         unsigned *bind);
 108
 109 extern const __DRItexBufferExtension driTexBufferExtension;
 110 extern const __DRI2throttleExtension dri2ThrottleExtension;
 111 #endif
 112
 113 /* vim: set sw=3 ts=8 sts=3 expandtab: */