i810_drm.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:6k
- #ifndef _I810_DRM_H_
- #define _I810_DRM_H_
- /* WARNING: These defines must be the same as what the Xserver uses.
- * if you change them, you must change the defines in the Xserver.
- */
- #ifndef _I810_DEFINES_
- #define _I810_DEFINES_
- #define I810_DMA_BUF_ORDER 12
- #define I810_DMA_BUF_SZ (1<<I810_DMA_BUF_ORDER)
- #define I810_DMA_BUF_NR 256
- #define I810_NR_SAREA_CLIPRECTS 8
- /* Each region is a minimum of 64k, and there are at most 64 of them.
- */
- #define I810_NR_TEX_REGIONS 64
- #define I810_LOG_MIN_TEX_REGION_SIZE 16
- #endif
- #define I810_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */
- #define I810_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */
- #define I810_UPLOAD_CTX 0x4
- #define I810_UPLOAD_BUFFERS 0x8
- #define I810_UPLOAD_TEX0 0x10
- #define I810_UPLOAD_TEX1 0x20
- #define I810_UPLOAD_CLIPRECTS 0x40
- /* Indices into buf.Setup where various bits of state are mirrored per
- * context and per buffer. These can be fired at the card as a unit,
- * or in a piecewise fashion as required.
- */
- /* Destbuffer state
- * - backbuffer linear offset and pitch -- invarient in the current dri
- * - zbuffer linear offset and pitch -- also invarient
- * - drawing origin in back and depth buffers.
- *
- * Keep the depth/back buffer state here to acommodate private buffers
- * in the future.
- */
- #define I810_DESTREG_DI0 0 /* CMD_OP_DESTBUFFER_INFO (2 dwords) */
- #define I810_DESTREG_DI1 1
- #define I810_DESTREG_DV0 2 /* GFX_OP_DESTBUFFER_VARS (2 dwords) */
- #define I810_DESTREG_DV1 3
- #define I810_DESTREG_DR0 4 /* GFX_OP_DRAWRECT_INFO (4 dwords) */
- #define I810_DESTREG_DR1 5
- #define I810_DESTREG_DR2 6
- #define I810_DESTREG_DR3 7
- #define I810_DESTREG_DR4 8
- #define I810_DEST_SETUP_SIZE 10
- /* Context state
- */
- #define I810_CTXREG_CF0 0 /* GFX_OP_COLOR_FACTOR */
- #define I810_CTXREG_CF1 1
- #define I810_CTXREG_ST0 2 /* GFX_OP_STIPPLE */
- #define I810_CTXREG_ST1 3
- #define I810_CTXREG_VF 4 /* GFX_OP_VERTEX_FMT */
- #define I810_CTXREG_MT 5 /* GFX_OP_MAP_TEXELS */
- #define I810_CTXREG_MC0 6 /* GFX_OP_MAP_COLOR_STAGES - stage 0 */
- #define I810_CTXREG_MC1 7 /* GFX_OP_MAP_COLOR_STAGES - stage 1 */
- #define I810_CTXREG_MC2 8 /* GFX_OP_MAP_COLOR_STAGES - stage 2 */
- #define I810_CTXREG_MA0 9 /* GFX_OP_MAP_ALPHA_STAGES - stage 0 */
- #define I810_CTXREG_MA1 10 /* GFX_OP_MAP_ALPHA_STAGES - stage 1 */
- #define I810_CTXREG_MA2 11 /* GFX_OP_MAP_ALPHA_STAGES - stage 2 */
- #define I810_CTXREG_SDM 12 /* GFX_OP_SRC_DEST_MONO */
- #define I810_CTXREG_FOG 13 /* GFX_OP_FOG_COLOR */
- #define I810_CTXREG_B1 14 /* GFX_OP_BOOL_1 */
- #define I810_CTXREG_B2 15 /* GFX_OP_BOOL_2 */
- #define I810_CTXREG_LCS 16 /* GFX_OP_LINEWIDTH_CULL_SHADE_MODE */
- #define I810_CTXREG_PV 17 /* GFX_OP_PV_RULE -- Invarient! */
- #define I810_CTXREG_ZA 18 /* GFX_OP_ZBIAS_ALPHAFUNC */
- #define I810_CTXREG_AA 19 /* GFX_OP_ANTIALIAS */
- #define I810_CTX_SETUP_SIZE 20
- /* Texture state (per tex unit)
- */
- #define I810_TEXREG_MI0 0 /* GFX_OP_MAP_INFO (4 dwords) */
- #define I810_TEXREG_MI1 1
- #define I810_TEXREG_MI2 2
- #define I810_TEXREG_MI3 3
- #define I810_TEXREG_MF 4 /* GFX_OP_MAP_FILTER */
- #define I810_TEXREG_MLC 5 /* GFX_OP_MAP_LOD_CTL */
- #define I810_TEXREG_MLL 6 /* GFX_OP_MAP_LOD_LIMITS */
- #define I810_TEXREG_MCS 7 /* GFX_OP_MAP_COORD_SETS ??? */
- #define I810_TEX_SETUP_SIZE 8
- #define I810_FRONT 0x1
- #define I810_BACK 0x2
- #define I810_DEPTH 0x4
- typedef struct _drm_i810_init {
- enum {
- I810_INIT_DMA = 0x01,
- I810_CLEANUP_DMA = 0x02
- } func;
- int ring_map_idx;
- int buffer_map_idx;
- int sarea_priv_offset;
- unsigned int ring_start;
- unsigned int ring_end;
- unsigned int ring_size;
- unsigned int front_offset;
- unsigned int back_offset;
- unsigned int depth_offset;
- unsigned int w;
- unsigned int h;
- unsigned int pitch;
- unsigned int pitch_bits;
- } drm_i810_init_t;
- /* Warning: If you change the SAREA structure you must change the Xserver
- * structure as well */
- typedef struct _drm_i810_tex_region {
- unsigned char next, prev; /* indices to form a circular LRU */
- unsigned char in_use; /* owned by a client, or free? */
- int age; /* tracked by clients to update local LRU's */
- } drm_i810_tex_region_t;
- typedef struct _drm_i810_sarea {
- unsigned int ContextState[I810_CTX_SETUP_SIZE];
- unsigned int BufferState[I810_DEST_SETUP_SIZE];
- unsigned int TexState[2][I810_TEX_SETUP_SIZE];
- unsigned int dirty;
- unsigned int nbox;
- drm_clip_rect_t boxes[I810_NR_SAREA_CLIPRECTS];
- /* Maintain an LRU of contiguous regions of texture space. If
- * you think you own a region of texture memory, and it has an
- * age different to the one you set, then you are mistaken and
- * it has been stolen by another client. If global texAge
- * hasn't changed, there is no need to walk the list.
- *
- * These regions can be used as a proxy for the fine-grained
- * texture information of other clients - by maintaining them
- * in the same lru which is used to age their own textures,
- * clients have an approximate lru for the whole of global
- * texture space, and can make informed decisions as to which
- * areas to kick out. There is no need to choose whether to
- * kick out your own texture or someone else's - simply eject
- * them all in LRU order.
- */
-
- drm_i810_tex_region_t texList[I810_NR_TEX_REGIONS+1];
- /* Last elt is sentinal */
- int texAge; /* last time texture was uploaded */
- int last_enqueue; /* last time a buffer was enqueued */
- int last_dispatch; /* age of the most recently dispatched buffer */
- int last_quiescent; /* */
- int ctxOwner; /* last context to upload state */
- int vertex_prim;
- } drm_i810_sarea_t;
- typedef struct _drm_i810_clear {
- int clear_color;
- int clear_depth;
- int flags;
- } drm_i810_clear_t;
- /* These may be placeholders if we have more cliprects than
- * I810_NR_SAREA_CLIPRECTS. In that case, the client sets discard to
- * false, indicating that the buffer will be dispatched again with a
- * new set of cliprects.
- */
- typedef struct _drm_i810_vertex {
- int idx; /* buffer index */
- int used; /* nr bytes in use */
- int discard; /* client is finished with the buffer? */
- } drm_i810_vertex_t;
- typedef struct _drm_i810_copy_t {
- int idx; /* buffer index */
- int used; /* nr bytes in use */
- void *address; /* Address to copy from */
- } drm_i810_copy_t;
- typedef struct drm_i810_dma {
- void *virtual;
- int request_idx;
- int request_size;
- int granted;
- } drm_i810_dma_t;
- #endif /* _I810_DRM_H_ */