1 /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i810_dri.h,v 1.10 2002/12/10 01:27:04 dawes Exp $ */
7 #include "i810_common.h"
9 #define I810_MAX_DRAWABLES 256
15 drmSize backbufferSize
;
16 drm_handle_t backbuffer
;
18 drmSize depthbufferSize
;
19 drm_handle_t depthbuffer
;
21 drm_handle_t textures
;
24 drm_handle_t agp_buffers
;
42 int logTextureGranularity
;
45 /* For non-dma direct rendering.
52 unsigned int sarea_priv_offset
;
54 } I810DRIRec
, *I810DRIPtr
;
56 /* WARNING: Do not change the SAREA structure without changing the kernel
59 #define I810_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */
60 #define I810_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */
61 #define I810_UPLOAD_CTX 0x4
62 #define I810_UPLOAD_BUFFERS 0x8
63 #define I810_UPLOAD_TEX0 0x10
64 #define I810_UPLOAD_TEX1 0x20
65 #define I810_UPLOAD_CLIPRECTS 0x40
68 unsigned char next
, prev
; /* indices to form a circular LRU */
69 unsigned char in_use
; /* owned by a client, or free? */
70 int age
; /* tracked by clients to update local LRU's */
71 } I810TexRegionRec
, *I810TexRegionPtr
;
74 unsigned int ContextState
[I810_CTX_SETUP_SIZE
];
75 unsigned int BufferState
[I810_DEST_SETUP_SIZE
];
76 unsigned int TexState
[2][I810_TEX_SETUP_SIZE
];
80 drm_clip_rect_t boxes
[I810_NR_SAREA_CLIPRECTS
];
82 /* Maintain an LRU of contiguous regions of texture space. If
83 * you think you own a region of texture memory, and it has an
84 * age different to the one you set, then you are mistaken and
85 * it has been stolen by another client. If global texAge
86 * hasn't changed, there is no need to walk the list.
88 * These regions can be used as a proxy for the fine-grained
89 * texture information of other clients - by maintaining them
90 * in the same lru which is used to age their own textures,
91 * clients have an approximate lru for the whole of global
92 * texture space, and can make informed decisions as to which
93 * areas to kick out. There is no need to choose whether to
94 * kick out your own texture or someone else's - simply eject
95 * them all in LRU order.
98 drmTextureRegion texList
[I810_NR_TEX_REGIONS
+ 1];
100 /* Last elt is sentinal */
101 int texAge
; /* last time texture was uploaded */
103 int last_enqueue
; /* last time a buffer was enqueued */
104 int last_dispatch
; /* age of the most recently dispatched buffer */
105 int last_quiescent
; /* */
107 int ctxOwner
; /* last context to upload state */
111 int pf_enabled
; /* is pageflipping allowed? */
112 int pf_active
; /* is pageflipping active right now? */
113 int pf_current_page
; /* which buffer is being displayed? */
116 } I810SAREARec
, *I810SAREAPtr
;
119 /* Nothing here yet */
121 } I810ConfigPrivRec
, *I810ConfigPrivPtr
;
124 /* Nothing here yet */
126 } I810DRIContextRec
, *I810DRIContextPtr
;