6 #include "i810_common.h"
8 #define I810_MAX_DRAWABLES 256
14 drmSize backbufferSize
;
15 drm_handle_t backbuffer
;
17 drmSize depthbufferSize
;
18 drm_handle_t depthbuffer
;
20 drm_handle_t textures
;
23 drm_handle_t agp_buffers
;
41 int logTextureGranularity
;
44 /* For non-dma direct rendering.
51 unsigned int sarea_priv_offset
;
53 } I810DRIRec
, *I810DRIPtr
;
55 /* WARNING: Do not change the SAREA structure without changing the kernel
58 #define I810_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */
59 #define I810_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */
60 #define I810_UPLOAD_CTX 0x4
61 #define I810_UPLOAD_BUFFERS 0x8
62 #define I810_UPLOAD_TEX0 0x10
63 #define I810_UPLOAD_TEX1 0x20
64 #define I810_UPLOAD_CLIPRECTS 0x40
67 unsigned char next
, prev
; /* indices to form a circular LRU */
68 unsigned char in_use
; /* owned by a client, or free? */
69 int age
; /* tracked by clients to update local LRU's */
70 } I810TexRegionRec
, *I810TexRegionPtr
;
73 unsigned int ContextState
[I810_CTX_SETUP_SIZE
];
74 unsigned int BufferState
[I810_DEST_SETUP_SIZE
];
75 unsigned int TexState
[2][I810_TEX_SETUP_SIZE
];
79 drm_clip_rect_t boxes
[I810_NR_SAREA_CLIPRECTS
];
81 /* Maintain an LRU of contiguous regions of texture space. If
82 * you think you own a region of texture memory, and it has an
83 * age different to the one you set, then you are mistaken and
84 * it has been stolen by another client. If global texAge
85 * hasn't changed, there is no need to walk the list.
87 * These regions can be used as a proxy for the fine-grained
88 * texture information of other clients - by maintaining them
89 * in the same lru which is used to age their own textures,
90 * clients have an approximate lru for the whole of global
91 * texture space, and can make informed decisions as to which
92 * areas to kick out. There is no need to choose whether to
93 * kick out your own texture or someone else's - simply eject
94 * them all in LRU order.
97 drmTextureRegion texList
[I810_NR_TEX_REGIONS
+ 1];
99 /* Last elt is sentinal */
100 int texAge
; /* last time texture was uploaded */
102 int last_enqueue
; /* last time a buffer was enqueued */
103 int last_dispatch
; /* age of the most recently dispatched buffer */
104 int last_quiescent
; /* */
106 int ctxOwner
; /* last context to upload state */
110 int pf_enabled
; /* is pageflipping allowed? */
111 int pf_active
; /* is pageflipping active right now? */
112 int pf_current_page
; /* which buffer is being displayed? */
115 } I810SAREARec
, *I810SAREAPtr
;
118 /* Nothing here yet */
120 } I810ConfigPrivRec
, *I810ConfigPrivPtr
;
123 /* Nothing here yet */
125 } I810DRIContextRec
, *I810DRIContextPtr
;