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* Copyright 2000 Gareth Hughes
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* GARETH HUGHES BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* Gareth Hughes <gareth@valinux.com>
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* Leif Delgass <ldelgass@retinalburn.net>
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#ifndef __MACH64_SAREA_H__
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#define __MACH64_SAREA_H__ 1
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/* WARNING: If you change any of these defines, make sure to change the
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* defines in the kernel file (mach64_drm.h)
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#ifndef __MACH64_SAREA_DEFINES__
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#define __MACH64_SAREA_DEFINES__ 1
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/* What needs to be changed for the current vertex buffer?
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* GH: We're going to be pedantic about this. We want the card to do as
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* little as possible, so let's avoid having it fetch a whole bunch of
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* register values that don't change all that often, if at all.
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#define MACH64_UPLOAD_DST_OFF_PITCH 0x0001
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#define MACH64_UPLOAD_Z_OFF_PITCH 0x0002
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#define MACH64_UPLOAD_Z_ALPHA_CNTL 0x0004
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#define MACH64_UPLOAD_SCALE_3D_CNTL 0x0008
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#define MACH64_UPLOAD_DP_FOG_CLR 0x0010
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#define MACH64_UPLOAD_DP_WRITE_MASK 0x0020
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#define MACH64_UPLOAD_DP_PIX_WIDTH 0x0040
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#define MACH64_UPLOAD_SETUP_CNTL 0x0080
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#define MACH64_UPLOAD_MISC 0x0100
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#define MACH64_UPLOAD_TEXTURE 0x0200
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#define MACH64_UPLOAD_TEX0IMAGE 0x0400
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#define MACH64_UPLOAD_TEX1IMAGE 0x0800
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#define MACH64_UPLOAD_CLIPRECTS 0x1000 /* handled client-side */
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#define MACH64_UPLOAD_CONTEXT 0x00ff
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#define MACH64_UPLOAD_ALL 0x1fff
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#define MACH64_BUFFER_SIZE 16384
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/* Max number of swaps allowed on the ring
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* before the client must wait
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#define MACH64_MAX_QUEUED_FRAMES 3
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/* Byte offsets for host blit buffer data
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#define MACH64_HOSTDATA_BLIT_OFFSET 104
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/* Keep these small for testing.
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#define MACH64_NR_SAREA_CLIPRECTS 8
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#define MACH64_CARD_HEAP 0
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#define MACH64_AGP_HEAP 1
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#define MACH64_NR_TEX_HEAPS 2
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#define MACH64_NR_TEX_REGIONS 64
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#define MACH64_LOG_TEX_GRANULARITY 16
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#define MACH64_TEX_MAXLEVELS 1
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#define MACH64_NR_CONTEXT_REGS 15
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#define MACH64_NR_TEXTURE_REGS 4
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#endif /* __MACH64_SAREA_DEFINES__ */
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unsigned int dst_off_pitch; /* 0x500 */
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unsigned int z_off_pitch; /* 0x548 */ /* ****** */
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unsigned int z_cntl; /* 0x54c */
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unsigned int alpha_tst_cntl; /* 0x550 */
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unsigned int scale_3d_cntl; /* 0x5fc */
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unsigned int sc_left_right; /* 0x6a8 */
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unsigned int sc_top_bottom; /* 0x6b4 */
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unsigned int dp_fog_clr; /* 0x6c4 */
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unsigned int dp_write_mask; /* 0x6c8 */
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unsigned int dp_pix_width; /* 0x6d0 */
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unsigned int dp_mix; /* 0x6d4 */ /* ****** */
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unsigned int dp_src; /* 0x6d8 */ /* ****** */
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unsigned int clr_cmp_cntl; /* 0x708 */ /* ****** */
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unsigned int gui_traj_cntl; /* 0x730 */ /* ****** */
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unsigned int setup_cntl; /* 0x304 */
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unsigned int tex_size_pitch; /* 0x770 */
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unsigned int tex_cntl; /* 0x774 */
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unsigned int secondary_tex_off; /* 0x778 */
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unsigned int tex_offset; /* 0x5c0 */
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} mach64_context_regs_t;
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/* The channel for communication of state information to the kernel
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* on firing a vertex buffer.
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mach64_context_regs_t ContextState;
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unsigned int vertsize;
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/* The current cliprects, or a subset thereof.
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drm_clip_rect_t boxes[MACH64_NR_SAREA_CLIPRECTS];
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/* Counter for throttling of rendering clients.
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unsigned int frames_queued;
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/* Maintain an LRU of contiguous regions of texture space. If you
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* think you own a region of texture memory, and it has an age
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* different to the one you set, then you are mistaken and it has
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* been stolen by another client. If global texAge hasn't changed,
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* there is no need to walk the list.
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* These regions can be used as a proxy for the fine-grained texture
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* information of other clients - by maintaining them in the same
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* lru which is used to age their own textures, clients have an
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* approximate lru for the whole of global texture space, and can
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* make informed decisions as to which areas to kick out. There is
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* no need to choose whether to kick out your own texture or someone
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* else's - simply eject them all in LRU order.
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drmTextureRegion texList[MACH64_NR_TEX_HEAPS][MACH64_NR_TEX_REGIONS+1];
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unsigned int texAge[MACH64_NR_TEX_HEAPS];
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int ctxOwner; /* last context to upload state */
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} ATISAREAPrivRec, *ATISAREAPrivPtr;
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#endif /* __MACH64_SAREA_H__ */
added
removed
src/mach64_sarea.h
