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    struct pipe_resource *msaa_textures[ST_ATTACHMENT_COUNT];
  61    unsigned int texture_mask, texture_stamp;
  62
  63    struct pipe_fence_handle *swap_fences[DRI_SWAP_FENCES_MAX];
  64    unsigned int cur_fences;
  65    unsigned int head;
  66    unsigned int tail;
  67    unsigned int desired_fences;
  68    boolean flushing; /* prevents recursion in dri_flush */
  69
  70    /* used only by DRISW */
  71    struct pipe_surface *drisw_surface;
  72
  73    /* hooks filled in by dri2 & drisw */
  74    void (*allocate_textures)(struct dri_drawable *drawable,
  75                              const enum st_attachment_type *statts,
  76                              unsigned count);
  77
  78    void (*update_drawable_info)(struct dri_drawable *drawable);
  79
  80    void (*flush_frontbuffer)(struct dri_context *ctx,
  81                              struct dri_drawable *drawable,
  82                              enum st_attachment_type statt);
  83
  84    void (*update_tex_buffer)(struct dri_drawable *drawable,
  85                              struct dri_context *ctx,
  86                              struct pipe_resource *res);
  87 };
  88
  89 static INLINE struct dri_drawable *
  90 dri_drawable(__DRIdrawable * driDrawPriv)
  91 {
  92    return (struct dri_drawable *) (driDrawPriv)
  93       ? driDrawPriv->driverPrivate : NULL;
  94 }
  95
  96 /***********************************************************************
  97  * dri_drawable.c
  98  */
  99 boolean
 100 dri_create_buffer(__DRIscreen * sPriv,
 101                   __DRIdrawable * dPriv,
 102                   const struct gl_config * visual, boolean isPixmap);
 103
 104 void dri_destroy_buffer(__DRIdrawable * dPriv);
 105
 106 void
 107 dri_drawable_get_format(struct dri_drawable *drawable,
 108                         enum st_attachment_type statt,
 109                         enum pipe_format *format,
 110                         unsigned *bind);
 111
 112 void
 113 dri_pipe_blit(struct pipe_context *pipe,
 114               struct pipe_resource *dst,
 115               struct pipe_resource *src);
 116
 117 void
 118 dri_flush(__DRIcontext *cPriv,
 119           __DRIdrawable *dPriv,
 120           unsigned flags,
 121           enum __DRI2throttleReason reason);
 122
 123 extern const __DRItexBufferExtension driTexBufferExtension;
 124 extern const __DRI2throttleExtension dri2ThrottleExtension;
 125 #endif
 126
 127 /* vim: set sw=3 ts=8 sts=3 expandtab: */