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Diffstat (limited to 'src/mach64_sarea.h')
| -rw-r--r-- | src/mach64_sarea.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/mach64_sarea.h b/src/mach64_sarea.h new file mode 100644 index 0000000..47a4bf9 --- /dev/null +++ b/src/mach64_sarea.h @@ -0,0 +1,163 @@ +/* $XFree86$ */ /* -*- 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 <gareth@valinux.com> + * Leif Delgass <ldelgass@retinalburn.net> + */ + +#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__ */ |