/* $XFree86$ */ /* -*- mode: c; c-basic-offset: 3 -*- */ /* * 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 * Leif Delgass */ #ifndef __MACH64_SAREA_H__ #define __MACH64_SAREA_H__ 1 #include "Xmd.h" /* WARNING: If you change any of these defines, make sure to change the * defines in the kernel file (mach64_drm.h) */ #ifndef __MACH64_SAREA_DEFINES__ #define __MACH64_SAREA_DEFINES__ 1 /* What needs to be changed for the current vertex buffer? * GH: We're going to be pedantic about this. We want the card to do as * little as possible, so let's avoid having it fetch a whole bunch of * register values that don't change all that often, if at all. */ #define MACH64_UPLOAD_DST_OFF_PITCH 0x0001 #define MACH64_UPLOAD_Z_OFF_PITCH 0x0002 #define MACH64_UPLOAD_Z_ALPHA_CNTL 0x0004 #define MACH64_UPLOAD_SCALE_3D_CNTL 0x0008 #define MACH64_UPLOAD_DP_FOG_CLR 0x0010 #define MACH64_UPLOAD_DP_WRITE_MASK 0x0020 #define MACH64_UPLOAD_DP_PIX_WIDTH 0x0040 #define MACH64_UPLOAD_SETUP_CNTL 0x0080 #define MACH64_UPLOAD_MISC 0x0100 #define MACH64_UPLOAD_TEXTURE 0x0200 #define MACH64_UPLOAD_TEX0IMAGE 0x0400 #define MACH64_UPLOAD_TEX1IMAGE 0x0800 #define MACH64_UPLOAD_CLIPRECTS 0x1000 /* handled client-side */ #define MACH64_UPLOAD_CONTEXT 0x00ff #define MACH64_UPLOAD_ALL 0x1fff /* DMA buffer size */ #define MACH64_BUFFER_SIZE 16384 /* Max number of swaps allowed on the ring * before the client must wait */ #define MACH64_MAX_QUEUED_FRAMES 3 /* Byte offsets for host blit buffer data */ #define MACH64_HOSTDATA_BLIT_OFFSET 104 /* Keep these small for testing. */ #define MACH64_NR_SAREA_CLIPRECTS 8 #define MACH64_CARD_HEAP 0 #define MACH64_AGP_HEAP 1 #define MACH64_NR_TEX_HEAPS 2 #define MACH64_NR_TEX_REGIONS 64 #define MACH64_LOG_TEX_GRANULARITY 16 #define MACH64_TEX_MAXLEVELS 1 #define MACH64_NR_CONTEXT_REGS 15 #define MACH64_NR_TEXTURE_REGS 4 #endif /* __MACH64_SAREA_DEFINES__ */ typedef struct { /* Context state */ unsigned int dst_off_pitch; /* 0x500 */ unsigned int z_off_pitch; /* 0x548 */ /* ****** */ unsigned int z_cntl; /* 0x54c */ unsigned int alpha_tst_cntl; /* 0x550 */ unsigned int scale_3d_cntl; /* 0x5fc */ unsigned int sc_left_right; /* 0x6a8 */ unsigned int sc_top_bottom; /* 0x6b4 */ unsigned int dp_fog_clr; /* 0x6c4 */ unsigned int dp_write_mask; /* 0x6c8 */ unsigned int dp_pix_width; /* 0x6d0 */ unsigned int dp_mix; /* 0x6d4 */ /* ****** */ unsigned int dp_src; /* 0x6d8 */ /* ****** */ unsigned int clr_cmp_cntl; /* 0x708 */ /* ****** */ unsigned int gui_traj_cntl; /* 0x730 */ /* ****** */ unsigned int setup_cntl; /* 0x304 */ /* Texture state */ unsigned int tex_size_pitch; /* 0x770 */ unsigned int tex_cntl; /* 0x774 */ unsigned int secondary_tex_off; /* 0x778 */ unsigned int tex_offset; /* 0x5c0 */ } mach64_context_regs_t; typedef struct { /* The channel for communication of state information to the kernel * on firing a vertex buffer. */ mach64_context_regs_t ContextState; unsigned int dirty; unsigned int vertsize; #ifdef XF86DRI /* The current cliprects, or a subset thereof. */ drm_clip_rect_t boxes[MACH64_NR_SAREA_CLIPRECTS]; unsigned int nbox; #endif /* Counter for throttling of rendering clients. */ unsigned int frames_queued; /* 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. */ drmTextureRegion texList[MACH64_NR_TEX_HEAPS][MACH64_NR_TEX_REGIONS+1]; unsigned int texAge[MACH64_NR_TEX_HEAPS]; int ctxOwner; /* last context to upload state */ } ATISAREAPrivRec, *ATISAREAPrivPtr; #endif /* __MACH64_SAREA_H__ */