/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_sarea.h,v 1.1 2001/03/21 17:11:47 dawes Exp $ */ /* * Copyright 2000 Gareth Hughes * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * GARETH HUGHES BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Gareth Hughes */ #ifndef __MGA_SAREA_H__ #define __MGA_SAREA_H__ /* WARNING: If you change any of these defines, make sure to change * the kernel include file as well (mga_drm.h) */ #ifndef __MGA_SAREA_DEFINES__ #define __MGA_SAREA_DEFINES__ /* WARP pipe flags */ #define MGA_F 0x1 /* fog */ #define MGA_A 0x2 /* alpha */ #define MGA_S 0x4 /* specular */ #define MGA_T2 0x8 /* multitexture */ #define MGA_WARP_TGZ 0 #define MGA_WARP_TGZF (MGA_F) #define MGA_WARP_TGZA (MGA_A) #define MGA_WARP_TGZAF (MGA_F|MGA_A) #define MGA_WARP_TGZS (MGA_S) #define MGA_WARP_TGZSF (MGA_S|MGA_F) #define MGA_WARP_TGZSA (MGA_S|MGA_A) #define MGA_WARP_TGZSAF (MGA_S|MGA_F|MGA_A) #define MGA_WARP_T2GZ (MGA_T2) #define MGA_WARP_T2GZF (MGA_T2|MGA_F) #define MGA_WARP_T2GZA (MGA_T2|MGA_A) #define MGA_WARP_T2GZAF (MGA_T2|MGA_A|MGA_F) #define MGA_WARP_T2GZS (MGA_T2|MGA_S) #define MGA_WARP_T2GZSF (MGA_T2|MGA_S|MGA_F) #define MGA_WARP_T2GZSA (MGA_T2|MGA_S|MGA_A) #define MGA_WARP_T2GZSAF (MGA_T2|MGA_S|MGA_F|MGA_A) #define MGA_MAX_G200_PIPES 8 /* no multitex */ #define MGA_MAX_G400_PIPES 16 #define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES #define MGA_WARP_UCODE_SIZE 32768 /* in bytes */ #define MGA_CARD_TYPE_G200 1 #define MGA_CARD_TYPE_G400 2 #define MGA_FRONT 0x1 #define MGA_BACK 0x2 #define MGA_DEPTH 0x4 /* What needs to be changed for the current vertex dma buffer? */ #define MGA_UPLOAD_CONTEXT 0x1 #define MGA_UPLOAD_TEX0 0x2 #define MGA_UPLOAD_TEX1 0x4 #define MGA_UPLOAD_PIPE 0x8 #define MGA_UPLOAD_TEX0IMAGE 0x10 #define MGA_UPLOAD_TEX1IMAGE 0x20 #define MGA_UPLOAD_2D 0x40 #define MGA_WAIT_AGE 0x80 /* handled client-side */ #define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */ #if 0 #define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock quiescent */ #endif /* 32 buffers of 64k each, total 1 meg. */ #define MGA_BUFFER_SIZE (1 << 16) #define MGA_NUM_BUFFERS 128 /* Keep these small for testing. */ #define MGA_NR_SAREA_CLIPRECTS 8 /* 2 heaps (1 for card, 1 for agp), each divided into upto 128 * regions, subject to a minimum region size of (1<<16) == 64k. * * Clients may subdivide regions internally, but when sharing between * clients, the region size is the minimum granularity. */ #define MGA_CARD_HEAP 0 #define MGA_AGP_HEAP 1 #define MGA_NR_TEX_HEAPS 2 #define MGA_NR_TEX_REGIONS 16 #define MGA_LOG_MIN_TEX_REGION_SIZE 16 #endif /* __MGA_SAREA_DEFINES__ */ /* Setup registers for 3D context */ typedef struct { unsigned int dstorg; unsigned int maccess; unsigned int plnwt; unsigned int dwgctl; unsigned int alphactrl; unsigned int fogcolor; unsigned int wflag; unsigned int tdualstage0; unsigned int tdualstage1; unsigned int fcol; unsigned int stencil; unsigned int stencilctl; } mga_context_regs_t; /* Setup registers for 2D, X server */ typedef struct { unsigned int pitch; } mga_server_regs_t; /* Setup registers for each texture unit */ typedef struct { unsigned int texctl; unsigned int texctl2; unsigned int texfilter; unsigned int texbordercol; unsigned int texorg; unsigned int texwidth; unsigned int texheight; unsigned int texorg1; unsigned int texorg2; unsigned int texorg3; unsigned int texorg4; } mga_texture_regs_t; /* General ageing mechanism */ typedef struct { unsigned int head; /* Position of head pointer */ unsigned int wrap; /* Primary DMA wrap count */ } mga_age_t; /* WARNING: Do not change the SAREA structure without changing the kernel * as well. */ typedef struct { /* The channel for communication of state information to the kernel * on firing a vertex dma buffer. */ mga_context_regs_t ContextState; mga_server_regs_t ServerState; mga_texture_regs_t TexState[2]; unsigned int WarpPipe; unsigned int dirty; unsigned int vertsize; /* The current cliprects, or a subset thereof. */ drm_clip_rect_t boxes[MGA_NR_SAREA_CLIPRECTS]; unsigned int nbox; /* Information about the most recently used 3d drawable. The * client fills in the req_* fields, the server fills in the * exported_ fields and puts the cliprects into boxes, above. * * The client clears the exported_drawable field before * clobbering the boxes data. */ unsigned int req_drawable; /* the X drawable id */ unsigned int req_draw_buffer; /* MGA_FRONT or MGA_BACK */ unsigned int exported_drawable; unsigned int exported_index; unsigned int exported_stamp; unsigned int exported_buffers; unsigned int exported_nfront; /* FIXME: verify signedness... */ unsigned int exported_nback; int exported_back_x, exported_front_x, exported_w; int exported_back_y, exported_front_y, exported_h; drm_clip_rect_t exported_boxes[MGA_NR_SAREA_CLIPRECTS]; /* Counters for aging textures and for client-side throttling. */ unsigned int status[4]; unsigned int last_wrap; mga_age_t last_frame; unsigned int last_enqueue; /* last time a buffer was enqueued */ unsigned int last_dispatch; /* age of the most recently dispatched buffer */ unsigned int last_quiescent; /* */ /* LRU lists for texture memory in agp space and on the card. */ drmTextureRegion texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1]; unsigned int texAge[MGA_NR_TEX_HEAPS]; /* Last context that uploaded statel */ int ctxOwner; } MGASAREAPrivRec, *MGASAREAPrivPtr; #endif