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/**
* \file server/radeon_sarea.h
* \brief SAREA definition.
*
* \author Kevin E. Martin <martin@xfree86.org>
* \author Gareth Hughes <gareth@valinux.com>
*/
/*
* Copyright 2000 ATI Technologies Inc., Markham, Ontario,
* 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, 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.
*/
/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_sarea.h,v 1.4 2002/04/24 16:20:41 martin Exp $ */
#ifndef _RADEON_SAREA_H_
#define _RADEON_SAREA_H_
/* WARNING: If you change any of these defines, make sure to change the
* defines in the kernel file (radeon_drm.h)
*/
#ifndef __RADEON_SAREA_DEFINES__
#define __RADEON_SAREA_DEFINES__
/* What needs to be changed for the current vertex buffer? */
#define RADEON_UPLOAD_CONTEXT 0x00000001
#define RADEON_UPLOAD_VERTFMT 0x00000002
#define RADEON_UPLOAD_LINE 0x00000004
#define RADEON_UPLOAD_BUMPMAP 0x00000008
#define RADEON_UPLOAD_MASKS 0x00000010
#define RADEON_UPLOAD_VIEWPORT 0x00000020
#define RADEON_UPLOAD_SETUP 0x00000040
#define RADEON_UPLOAD_TCL 0x00000080
#define RADEON_UPLOAD_MISC 0x00000100
#define RADEON_UPLOAD_TEX0 0x00000200
#define RADEON_UPLOAD_TEX1 0x00000400
#define RADEON_UPLOAD_TEX2 0x00000800
#define RADEON_UPLOAD_TEX0IMAGES 0x00001000
#define RADEON_UPLOAD_TEX1IMAGES 0x00002000
#define RADEON_UPLOAD_TEX2IMAGES 0x00004000
#define RADEON_UPLOAD_CLIPRECTS 0x00008000 /* handled client-side */
#define RADEON_REQUIRE_QUIESCENCE 0x00010000
#define RADEON_UPLOAD_ZBIAS 0x00020000
#define RADEON_UPLOAD_ALL 0x0002ffff
#define RADEON_UPLOAD_CONTEXT_ALL 0x000201ff
#define RADEON_FRONT 0x1
#define RADEON_BACK 0x2
#define RADEON_DEPTH 0x4
#define RADEON_STENCIL 0x8
/* Primitive types */
#define RADEON_POINTS 0x1
#define RADEON_LINES 0x2
#define RADEON_LINE_STRIP 0x3
#define RADEON_TRIANGLES 0x4
#define RADEON_TRIANGLE_FAN 0x5
#define RADEON_TRIANGLE_STRIP 0x6
#define RADEON_3VTX_POINTS 0x9
#define RADEON_3VTX_LINES 0xa
/* Vertex/indirect buffer size */
#define RADEON_BUFFER_SIZE 65536
/* Byte offsets for indirect buffer data */
#define RADEON_INDEX_PRIM_OFFSET 20
#define RADEON_HOSTDATA_BLIT_OFFSET 32
#define RADEON_SCRATCH_REG_OFFSET 32
/* Keep these small for testing */
#define RADEON_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 RADEON_CARD_HEAP 0
#define RADEON_AGP_HEAP 1
#define RADEON_NR_TEX_HEAPS 2
#define RADEON_NR_TEX_REGIONS 64
#define RADEON_LOG_TEX_GRANULARITY 16
#define RADEON_MAX_TEXTURE_LEVELS 12
#define RADEON_MAX_TEXTURE_UNITS 3
/* Blits have strict offset rules. All blit offset must be aligned on
* a 1K-byte boundary.
*/
#define RADEON_OFFSET_SHIFT 10
#define RADEON_OFFSET_ALIGN (1 << RADEON_OFFSET_SHIFT)
#define RADEON_OFFSET_MASK (RADEON_OFFSET_ALIGN - 1)
#endif /* __RADEON_SAREA_DEFINES__ */
/**
* \brief Color register format.
*/
typedef struct {
unsigned int red;
unsigned int green;
unsigned int blue;
unsigned int alpha;
} radeon_color_regs_t;
/**
* \brief Context registers.
*/
typedef struct {
/**
* \name Context state
*/
/*@{*/
unsigned int pp_misc;
unsigned int pp_fog_color;
unsigned int re_solid_color;
unsigned int rb3d_blendcntl;
unsigned int rb3d_depthoffset;
unsigned int rb3d_depthpitch;
unsigned int rb3d_zstencilcntl;
unsigned int pp_cntl;
unsigned int rb3d_cntl;
unsigned int rb3d_coloroffset;
unsigned int re_width_height;
unsigned int rb3d_colorpitch;
unsigned int se_cntl;
/*@}*/
/**
* \name Vertex format state
*/
/*@{*/
unsigned int se_coord_fmt;
/*@}*/
/**
* \name Line state
*/
/*@{*/
unsigned int re_line_pattern;
unsigned int re_line_state;
unsigned int se_line_width;
/*@}*/
/**
* \name Bumpmap state
*/
/*@{*/
unsigned int pp_lum_matrix;
unsigned int pp_rot_matrix_0;
unsigned int pp_rot_matrix_1;
/*@}*/
/**
* \name Mask state
*/
/*@{*/
unsigned int rb3d_stencilrefmask;
unsigned int rb3d_ropcntl;
unsigned int rb3d_planemask;
/*@}*/
/**
* \name Viewport state
*/
/*@{*/
unsigned int se_vport_xscale;
unsigned int se_vport_xoffset;
unsigned int se_vport_yscale;
unsigned int se_vport_yoffset;
unsigned int se_vport_zscale;
unsigned int se_vport_zoffset;
/*@}*/
/**
* \name Setup state
*/
/*@{*/
unsigned int se_cntl_status;
/*@}*/
/**
* \name Misc state
*/
/*@{*/
unsigned int re_top_left;
unsigned int re_misc;
/*@}*/
} radeon_context_regs_t;
/**
* \brief Setup registers for each texture unit
*/
typedef struct {
unsigned int pp_txfilter;
unsigned int pp_txformat;
unsigned int pp_txoffset;
unsigned int pp_txcblend;
unsigned int pp_txablend;
unsigned int pp_tfactor;
unsigned int pp_border_color;
} radeon_texture_regs_t;
/**
* \brief 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 RADEONSAREAPriv::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.
*
* \sa RADEONSAREAPriv::texList.
*/
typedef struct {
unsigned char next; /**< \brief indices to form a circular LRU */
unsigned char prev; /**< \brief indices to form a circular LRU */
unsigned char in_use; /**< \brief owned by a client, or free? */
int age; /**< \brief tracked by clients to update local LRU's */
} radeon_tex_region_t;
/**
* \brief Private SAREA definition
*
* The channel for communication of state information to the kernel
* on firing a vertex buffer.
*/
typedef struct {
radeon_context_regs_t ContextState; /** \brief Context registers */
radeon_texture_regs_t TexState[RADEON_MAX_TEXTURE_UNITS];
/**< \brief Texture registers */
unsigned int dirty;
unsigned int vertsize; /**< \brief vertex size */
unsigned int vc_format; /**< \brief vertex format */
/**
* \name Cliprects
*
* The current cliprects, or a subset thereof.
*/
/*@{*/
XF86DRIClipRectRec boxes[RADEON_NR_SAREA_CLIPRECTS];
/**< \brief cliprects */
unsigned int nbox; /**< \brief number of cliprects */
/*@}*/
/**
* \name Counters
*
* Counters for throttling rendering of clients.
*/
/*@{*/
unsigned int last_frame; /**< \brief last emmited frame */
unsigned int last_dispatch;
unsigned int last_clear; /**< \brief last emmited clear */
/*@}*/
/**
* \name LRU
*/
/*@{*/
/** \brief Texture regions.
* Last element is sentinal
*/
drmTextureRegion texList[RADEON_NR_TEX_HEAPS][RADEON_NR_TEX_REGIONS+1];
/** \brief last time texture was uploaded */
unsigned int texAge[RADEON_NR_TEX_HEAPS];
/*@}*/
int ctxOwner; /**< \brief last context to upload state */
int pfAllowPageFlip; /**< \brief set by the 2d driver, read by the client */
int pfCurrentPage; /**< \brief set by kernel, read by others */
int crtc2_base; /**< \brief for pageflipping with CloneMode */
} RADEONSAREAPriv, *RADEONSAREAPrivPtr;
#endif
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