/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/r128_sarea.h,v 1.8 2003/09/28 20:15:54 alanh Exp $ *//* * Copyright 1999, 2000 ATI Technologies Inc., Markham, Ontario, *                      Precision Insight, Inc., Cedar Park, Texas, and *                      VA Linux Systems Inc., Fremont, California. * * 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 on 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 * NON-INFRINGEMENT.  IN NO EVENT SHALL ATI, PRECISION INSIGHT, VA LINUX * SYSTEMS AND/OR THEIR SUPPLIERS 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: *   Kevin E. Martin <martin@valinux.com> *   Gareth Hughes <gareth@valinux.com> * */#ifndef _R128_SAREA_H_#define _R128_SAREA_H_#include <X11/Xmd.h>/* WARNING: If you change any of these defines, make sure to change the * defines in the kernel file (r128_drm.h) */#ifndef __R128_SAREA_DEFINES__#define __R128_SAREA_DEFINES__/* What needs to be changed for the current vertex buffer? */#define R128_UPLOAD_CONTEXT		0x001#define R128_UPLOAD_SETUP		0x002#define R128_UPLOAD_TEX0		0x004#define R128_UPLOAD_TEX1		0x008#define R128_UPLOAD_TEX0IMAGES		0x010#define R128_UPLOAD_TEX1IMAGES		0x020#define R128_UPLOAD_CORE		0x040#define R128_UPLOAD_MASKS		0x080#define R128_UPLOAD_WINDOW		0x100#define R128_UPLOAD_CLIPRECTS		0x200	/* handled client-side */#define R128_REQUIRE_QUIESCENCE		0x400#define R128_UPLOAD_ALL			0x7ff#define R128_FRONT			0x1#define R128_BACK			0x2#define R128_DEPTH			0x4/* Primitive types */#define R128_POINTS			0x1#define R128_LINES			0x2#define R128_LINE_STRIP			0x3#define R128_TRIANGLES			0x4#define R128_TRIANGLE_FAN		0x5#define R128_TRIANGLE_STRIP		0x6/* Vertex/indirect buffer size */#define R128_BUFFER_SIZE		16384/* Byte offsets for indirect buffer data */#define R128_INDEX_PRIM_OFFSET		20#define R128_HOSTDATA_BLIT_OFFSET	32/* Keep these small for testing */#define R128_NR_SAREA_CLIPRECTS		12/* There are 2 heaps (local/AGP).  Each region within a heap is a * minimum of 64k, and there are at most 64 of them per heap. */#define R128_CARD_HEAP			0#define R128_AGP_HEAP			1#define R128_NR_TEX_HEAPS		2#define R128_NR_TEX_REGIONS		64#define R128_LOG_TEX_GRANULARITY	16#define R128_NR_CONTEXT_REGS		12#define R128_MAX_TEXTURE_LEVELS		11#define R128_MAX_TEXTURE_UNITS		2#endif /* __R128_SAREA_DEFINES__ */typedef struct {    /* Context state - can be written in one large chunk */    unsigned int dst_pitch_offset_c;    unsigned int dp_gui_master_cntl_c;    unsigned int sc_top_left_c;    unsigned int sc_bottom_right_c;    unsigned int z_offset_c;    unsigned int z_pitch_c;    unsigned int z_sten_cntl_c;    unsigned int tex_cntl_c;    unsigned int misc_3d_state_cntl_reg;    unsigned int texture_clr_cmp_clr_c;    unsigned int texture_clr_cmp_msk_c;    unsigned int fog_color_c;    /* Texture state */    unsigned int tex_size_pitch_c;    unsigned int constant_color_c;    /* Setup state */    unsigned int pm4_vc_fpu_setup;    unsigned int setup_cntl;    /* Mask state */    unsigned int dp_write_mask;    unsigned int sten_ref_mask_c;    unsigned int plane_3d_mask_c;    /* Window state */    unsigned int window_xy_offset;    /* Core state */    unsigned int scale_3d_cntl;} r128_context_regs_t;/* Setup registers for each texture unit */typedef struct {    unsigned int tex_cntl;    unsigned int tex_combine_cntl;    unsigned int tex_size_pitch;    unsigned int tex_offset[R128_MAX_TEXTURE_LEVELS];    unsigned int tex_border_color;} r128_texture_regs_t;typedef struct {    /* The channel for communication of state information to the kernel     * on firing a vertex buffer.     */    r128_context_regs_t	ContextState;    r128_texture_regs_t	TexState[R128_MAX_TEXTURE_UNITS];    unsigned int dirty;    unsigned int vertsize;    unsigned int vc_format;    /* The current cliprects, or a subset thereof.     */    drm_clip_rect_t boxes[R128_NR_SAREA_CLIPRECTS];    unsigned int nbox;    /* Counters for throttling of rendering clients.     */    unsigned int last_frame;    unsigned int last_dispatch;    /* 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.     */				/* Last elt is sentinal */    drmTextureRegion texList[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS+1];				/* last time texture was uploaded */    unsigned int texAge[R128_NR_TEX_HEAPS];    int ctxOwner;		/* last context to upload state */    int pfAllowPageFlip;	/* set by the 2d driver, read by the client */    int pfCurrentPage;		/* set by kernel, read by others */} R128SAREAPriv, *R128SAREAPrivPtr;#endif