src/gallium/state_trackers/dri/dri_drawable.h

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   3  * Copyright 2009, VMware, Inc.
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  16  * of the Software.
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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_context *ctx,
  75                              struct dri_drawable *drawable,
  76                              const enum st_attachment_type *statts,
  77                              unsigned count);
  78
  79    void (*update_drawable_info)(struct dri_drawable *drawable);
  80
  81    void (*flush_frontbuffer)(struct dri_context *ctx,
  82                              struct dri_drawable *drawable,
  83                              enum st_attachment_type statt);
  84
  85    void (*update_tex_buffer)(struct dri_drawable *drawable,
  86                              struct dri_context *ctx,
  87                              struct pipe_resource *res);
  88 };
  89
  90 static inline struct dri_drawable *
  91 dri_drawable(__DRIdrawable * driDrawPriv)
  92 {
  93    return (struct dri_drawable *) (driDrawPriv)
  94       ? driDrawPriv->driverPrivate : NULL;
  95 }
  96
  97 /***********************************************************************
  98  * dri_drawable.c
  99  */
 100 boolean
 101 dri_create_buffer(__DRIscreen * sPriv,
 102                   __DRIdrawable * dPriv,
 103                   const struct gl_config * visual, boolean isPixmap);
 104
 105 void dri_destroy_buffer(__DRIdrawable * dPriv);
 106
 107 void
 108 dri_drawable_get_format(struct dri_drawable *drawable,
 109                         enum st_attachment_type statt,
 110                         enum pipe_format *format,
 111                         unsigned *bind);
 112
 113 void
 114 dri_pipe_blit(struct pipe_context *pipe,
 115               struct pipe_resource *dst,
 116               struct pipe_resource *src);
 117
 118 void
 119 dri_flush(__DRIcontext *cPriv,
 120           __DRIdrawable *dPriv,
 121           unsigned flags,
 122           enum __DRI2throttleReason reason);
 123
 124 extern const __DRItexBufferExtension driTexBufferExtension;
 125 extern const __DRI2throttleExtension dri2ThrottleExtension;
 126 #endif
 127
 128 /* vim: set sw=3 ts=8 sts=3 expandtab: */