i830_reg.h

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

/**************************************************************************
 * 
 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
 * 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, sub license, 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 TUNGSTEN GRAPHICS AND/OR ITS 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.
 * 
 **************************************************************************/


#ifndef _I830_REG_H_
#define _I830_REG_H_


#include "intel_reg.h"

#define I830_SET_FIELD( var, mask, value ) (var &= ~(mask), var |= value)

#define _3DSTATE_AA_CMD			(CMD_3D | (0x06<<24))
#define AA_LINE_ECAAR_WIDTH_ENABLE	(1<<16)
#define AA_LINE_ECAAR_WIDTH_0_5 	0
#define AA_LINE_ECAAR_WIDTH_1_0		(1<<14)
#define AA_LINE_ECAAR_WIDTH_2_0 	(2<<14)
#define AA_LINE_ECAAR_WIDTH_4_0 	(3<<14)
#define AA_LINE_REGION_WIDTH_ENABLE	(1<<8)
#define AA_LINE_REGION_WIDTH_0_5	0
#define AA_LINE_REGION_WIDTH_1_0	(1<<6)
#define AA_LINE_REGION_WIDTH_2_0	(2<<6)
#define AA_LINE_REGION_WIDTH_4_0	(3<<6)
#define AA_LINE_ENABLE			((1<<1) | 1)
#define AA_LINE_DISABLE			(1<<1)

#define _3DSTATE_BUF_INFO_CMD	(CMD_3D | (0x1d<<24) | (0x8e<<16) | 1)
/* Dword 1 */
#define BUF_3D_ID_COLOR_BACK	(0x3<<24)
#define BUF_3D_ID_DEPTH 	(0x7<<24)
#define BUF_3D_USE_FENCE	(1<<23)
#define BUF_3D_TILED_SURFACE	(1<<22)
#define BUF_3D_TILE_WALK_X	0
#define BUF_3D_TILE_WALK_Y	(1<<21)
#define BUF_3D_PITCH(x)         (((x)/4)<<2)
/* Dword 2 */
#define BUF_3D_ADDR(x)		((x) & ~0x3)


#define _3DSTATE_COLOR_FACTOR_CMD	(CMD_3D | (0x1d<<24) | (0x1<<16))

#define _3DSTATE_COLOR_FACTOR_N_CMD(stage)	(CMD_3D | (0x1d<<24) | \
					         ((0x90+(stage))<<16))

#define _3DSTATE_CONST_BLEND_COLOR_CMD	(CMD_3D | (0x1d<<24) | (0x88<<16))

#define _3DSTATE_DFLT_DIFFUSE_CMD	(CMD_3D | (0x1d<<24) | (0x99<<16))

#define _3DSTATE_DFLT_SPEC_CMD		(CMD_3D | (0x1d<<24) | (0x9a<<16))

#define _3DSTATE_DFLT_Z_CMD		(CMD_3D | (0x1d<<24) | (0x98<<16))


#define _3DSTATE_DST_BUF_VARS_CMD	(CMD_3D | (0x1d<<24) | (0x85<<16))
/* Dword 1 */
#define DSTORG_HORT_BIAS(x)		((x)<<20)
#define DSTORG_VERT_BIAS(x)		((x)<<16)
#define COLOR_4_2_2_CHNL_WRT_ALL	0
#define COLOR_4_2_2_CHNL_WRT_Y		(1<<12)
#define COLOR_4_2_2_CHNL_WRT_CR		(2<<12)
#define COLOR_4_2_2_CHNL_WRT_CB		(3<<12)
#define COLOR_4_2_2_CHNL_WRT_CRCB	(4<<12)
#define COLR_BUF_8BIT			0
#define COLR_BUF_RGB555 		(1<<8)
#define COLR_BUF_RGB565 		(2<<8)
#define COLR_BUF_ARGB8888		(3<<8)
#define DEPTH_IS_Z			0
#define DEPTH_IS_W			(1<<6)
#define DEPTH_FRMT_16_FIXED		0
#define DEPTH_FRMT_16_FLOAT		(1<<2)
#define DEPTH_FRMT_24_FIXED_8_OTHER	(2<<2)
#define DEPTH_FRMT_24_FLOAT_8_OTHER	(3<<2)
#define VERT_LINE_STRIDE_1		(1<<1)
#define VERT_LINE_STRIDE_0		0
#define VERT_LINE_STRIDE_OFS_1		1
#define VERT_LINE_STRIDE_OFS_0		0


#define _3DSTATE_DRAW_RECT_CMD		(CMD_3D|(0x1d<<24)|(0x80<<16)|3)
/* Dword 1 */
#define DRAW_RECT_DIS_DEPTH_OFS 	(1<<30)
#define DRAW_DITHER_OFS_X(x)		((x)<<26)
#define DRAW_DITHER_OFS_Y(x)		((x)<<24)
/* Dword 2 */
#define DRAW_YMIN(x)			((x)<<16)
#define DRAW_XMIN(x)			(x)
/* Dword 3 */
#define DRAW_YMAX(x)			((x)<<16)
#define DRAW_XMAX(x)			(x)
/* Dword 4 */
#define DRAW_YORG(x)			((x)<<16)
#define DRAW_XORG(x)			(x)


#define _3DSTATE_ENABLES_1_CMD		(CMD_3D|(0x3<<24))
#define ENABLE_LOGIC_OP_MASK		((1<<23)|(1<<22))
#define ENABLE_LOGIC_OP 		((1<<23)|(1<<22))
#define DISABLE_LOGIC_OP		(1<<23)
#define ENABLE_STENCIL_TEST		((1<<21)|(1<<20))
#define DISABLE_STENCIL_TEST		(1<<21)
#define ENABLE_DEPTH_BIAS		((1<<11)|(1<<10))
#define DISABLE_DEPTH_BIAS		(1<<11)
#define ENABLE_SPEC_ADD_MASK		((1<<9)|(1<<8))
#define ENABLE_SPEC_ADD 		((1<<9)|(1<<8))
#define DISABLE_SPEC_ADD		(1<<9)
#define ENABLE_DIS_FOG_MASK		((1<<7)|(1<<6))
#define ENABLE_FOG			((1<<7)|(1<<6))
#define DISABLE_FOG			(1<<7)
#define ENABLE_DIS_ALPHA_TEST_MASK	((1<<5)|(1<<4))
#define ENABLE_ALPHA_TEST		((1<<5)|(1<<4))
#define DISABLE_ALPHA_TEST		(1<<5)
#define ENABLE_DIS_CBLEND_MASK		((1<<3)|(1<<2))
#define ENABLE_COLOR_BLEND		((1<<3)|(1<<2))
#define DISABLE_COLOR_BLEND		(1<<3)
#define ENABLE_DIS_DEPTH_TEST_MASK	((1<<1)|1)
#define ENABLE_DEPTH_TEST		((1<<1)|1)
#define DISABLE_DEPTH_TEST		(1<<1)

/* _3DSTATE_ENABLES_2, p138 */
#define _3DSTATE_ENABLES_2_CMD		(CMD_3D|(0x4<<24))
#define ENABLE_STENCIL_WRITE		((1<<21)|(1<<20))
#define DISABLE_STENCIL_WRITE		(1<<21)
#define ENABLE_TEX_CACHE		((1<<17)|(1<<16))
#define DISABLE_TEX_CACHE		(1<<17)
#define ENABLE_DITHER			((1<<9)|(1<<8))
#define DISABLE_DITHER			(1<<9)
#define ENABLE_COLOR_MASK		(1<<10)
#define WRITEMASK_ALPHA			(1<<7)
#define WRITEMASK_ALPHA_SHIFT		7
#define WRITEMASK_RED			(1<<6)
#define WRITEMASK_RED_SHIFT		6
#define WRITEMASK_GREEN 		(1<<5)
#define WRITEMASK_GREEN_SHIFT		5
#define WRITEMASK_BLUE			(1<<4)
#define WRITEMASK_BLUE_SHIFT		4
#define WRITEMASK_MASK			((1<<4)|(1<<5)|(1<<6)|(1<<7))
#define ENABLE_COLOR_WRITE		((1<<3)|(1<<2))
#define DISABLE_COLOR_WRITE		(1<<3)
#define ENABLE_DIS_DEPTH_WRITE_MASK	0x3
#define ENABLE_DEPTH_WRITE		((1<<1)|1)
#define DISABLE_DEPTH_WRITE		(1<<1)

/* _3DSTATE_FOG_COLOR, p139 */
#define _3DSTATE_FOG_COLOR_CMD		(CMD_3D|(0x15<<24))
#define FOG_COLOR_RED(x)		((x)<<16)
#define FOG_COLOR_GREEN(x)		((x)<<8)
#define FOG_COLOR_BLUE(x)		(x)

/* _3DSTATE_FOG_MODE, p140 */
#define _3DSTATE_FOG_MODE_CMD		(CMD_3D|(0x1d<<24)|(0x89<<16)|2)
/* Dword 1 */
#define FOGFUNC_ENABLE			(1<<31)
#define FOGFUNC_VERTEX			0
#define FOGFUNC_PIXEL_EXP		(1<<28)
#define FOGFUNC_PIXEL_EXP2		(2<<28)
#define FOGFUNC_PIXEL_LINEAR		(3<<28)
#define FOGSRC_INDEX_Z			(1<<27)
#define FOGSRC_INDEX_W			((1<<27)|(1<<25))
#define FOG_LINEAR_CONST		(1<<24)
#define FOG_CONST_1(x)			((x)<<4)
#define ENABLE_FOG_DENSITY		(1<<23)
/* Dword 2 */
#define FOG_CONST_2(x)			(x)
/* Dword 3 */
#define FOG_DENSITY(x)			(x)

/* _3DSTATE_INDEPENDENT_ALPHA_BLEND, p142 */
#define _3DSTATE_INDPT_ALPHA_BLEND_CMD	(CMD_3D|(0x0b<<24))
#define ENABLE_INDPT_ALPHA_BLEND	((1<<23)|(1<<22))
#define DISABLE_INDPT_ALPHA_BLEND	(1<<23)
#define ALPHA_BLENDFUNC_MASK		0x3f0000
#define ENABLE_ALPHA_BLENDFUNC		(1<<21)
#define ABLENDFUNC_ADD			0
#define ABLENDFUNC_SUB			(1<<16)
#define ABLENDFUNC_RVSE_SUB		(2<<16)
#define ABLENDFUNC_MIN			(3<<16)
#define ABLENDFUNC_MAX			(4<<16)
#define SRC_DST_ABLEND_MASK		0xfff
#define ENABLE_SRC_ABLEND_FACTOR	(1<<11)
#define SRC_ABLEND_FACT(x)		((x)<<6)
#define ENABLE_DST_ABLEND_FACTOR	(1<<5)
#define DST_ABLEND_FACT(x)		(x)


/* _3DSTATE_MAP_BLEND_ARG, p152 */
#define _3DSTATE_MAP_BLEND_ARG_CMD(stage)	(CMD_3D|(0x0e<<24)|((stage)<<20))

#define TEXPIPE_COLOR			0
#define TEXPIPE_ALPHA			(1<<18)
#define TEXPIPE_KILL			(2<<18)
#define TEXBLEND_ARG0			0
#define TEXBLEND_ARG1			(1<<15)
#define TEXBLEND_ARG2			(2<<15)
#define TEXBLEND_ARG3			(3<<15)
#define TEXBLENDARG_MODIFY_PARMS	(1<<6)
#define TEXBLENDARG_REPLICATE_ALPHA 	(1<<5)
#define TEXBLENDARG_INV_ARG 		(1<<4)
#define TEXBLENDARG_ONE 		0
#define TEXBLENDARG_FACTOR		0x01
#define TEXBLENDARG_ACCUM		0x02
#define TEXBLENDARG_DIFFUSE		0x03
#define TEXBLENDARG_SPEC		0x04
#define TEXBLENDARG_CURRENT		0x05
#define TEXBLENDARG_TEXEL0		0x06
#define TEXBLENDARG_TEXEL1		0x07
#define TEXBLENDARG_TEXEL2		0x08
#define TEXBLENDARG_TEXEL3		0x09
#define TEXBLENDARG_FACTOR_N		0x0e

/* _3DSTATE_MAP_BLEND_OP, p155 */
#define _3DSTATE_MAP_BLEND_OP_CMD(stage)	(CMD_3D|(0x0d<<24)|((stage)<<20))
#if 0
#   define TEXPIPE_COLOR		0
#   define TEXPIPE_ALPHA		(1<<18)
#   define TEXPIPE_KILL			(2<<18)
#endif
#define ENABLE_TEXOUTPUT_WRT_SEL	(1<<17)
#define TEXOP_OUTPUT_CURRENT		0
#define TEXOP_OUTPUT_ACCUM		(1<<15)
#define ENABLE_TEX_CNTRL_STAGE		((1<<12)|(1<<11))
#define DISABLE_TEX_CNTRL_STAGE		(1<<12)
#define TEXOP_SCALE_SHIFT		9
#define TEXOP_SCALE_1X			(0 << TEXOP_SCALE_SHIFT)
#define TEXOP_SCALE_2X			(1 << TEXOP_SCALE_SHIFT)
#define TEXOP_SCALE_4X			(2 << TEXOP_SCALE_SHIFT)
#define TEXOP_MODIFY_PARMS		(1<<8)
#define TEXOP_LAST_STAGE		(1<<7)
#define TEXBLENDOP_KILLPIXEL		0x02
#define TEXBLENDOP_ARG1 		0x01
#define TEXBLENDOP_ARG2 		0x02
#define TEXBLENDOP_MODULATE		0x03
#define TEXBLENDOP_ADD			0x06
#define TEXBLENDOP_ADDSIGNED		0x07
#define TEXBLENDOP_BLEND		0x08
#define TEXBLENDOP_BLEND_AND_ADD	0x09
#define TEXBLENDOP_SUBTRACT		0x0a
#define TEXBLENDOP_DOT3 		0x0b
#define TEXBLENDOP_DOT4 		0x0c
#define TEXBLENDOP_MODULATE_AND_ADD	0x0d
#define TEXBLENDOP_MODULATE_2X_AND_ADD	0x0e
#define TEXBLENDOP_MODULATE_4X_AND_ADD	0x0f

/* _3DSTATE_MAP_BUMP_TABLE, p160 TODO */
/* _3DSTATE_MAP_COLOR_CHROMA_KEY, p161 TODO */

#define _3DSTATE_MAP_COORD_TRANSFORM	((3<<29)|(0x1d<<24)|(0x8c<<16))
#define DISABLE_TEX_TRANSFORM		(1<<28)
#define TEXTURE_SET(x)			(x<<29)

#define _3DSTATE_VERTEX_TRANSFORM	((3<<29)|(0x1d<<24)|(0x8b<<16))
#define DISABLE_VIEWPORT_TRANSFORM	(1<<31)
#define DISABLE_PERSPECTIVE_DIVIDE	(1<<29)


/* _3DSTATE_MAP_COORD_SET_BINDINGS, p162 */
#define _3DSTATE_MAP_COORD_SETBIND_CMD	(CMD_3D|(0x1d<<24)|(0x02<<16))
#define TEXBIND_MASK3			((1<<15)|(1<<14)|(1<<13)|(1<<12))
#define TEXBIND_MASK2			((1<<11)|(1<<10)|(1<<9)|(1<<8))
#define TEXBIND_MASK1			((1<<7)|(1<<6)|(1<<5)|(1<<4))
#define TEXBIND_MASK0			((1<<3)|(1<<2)|(1<<1)|1)

#define TEXBIND_SET3(x) 		((x)<<12)
#define TEXBIND_SET2(x) 		((x)<<8)
#define TEXBIND_SET1(x) 		((x)<<4)
#define TEXBIND_SET0(x) 		(x)

#define TEXCOORDSRC_KEEP		0
#define TEXCOORDSRC_DEFAULT		0x01
#define TEXCOORDSRC_VTXSET_0		0x08
#define TEXCOORDSRC_VTXSET_1		0x09
#define TEXCOORDSRC_VTXSET_2		0x0a
#define TEXCOORDSRC_VTXSET_3		0x0b
#define TEXCOORDSRC_VTXSET_4		0x0c
#define TEXCOORDSRC_VTXSET_5		0x0d
#define TEXCOORDSRC_VTXSET_6		0x0e
#define TEXCOORDSRC_VTXSET_7		0x0f

#define MAP_UNIT(unit)			((unit)<<16)
#define MAP_UNIT_MASK			(0x7<<16)

/* _3DSTATE_MAP_COORD_SETS, p164 */
#define _3DSTATE_MAP_COORD_SET_CMD	(CMD_3D|(0x1c<<24)|(0x01<<19))
#define ENABLE_TEXCOORD_PARAMS		(1<<15)
#define TEXCOORDS_ARE_NORMAL		(1<<14)
#define TEXCOORDS_ARE_IN_TEXELUNITS	0
#define TEXCOORDTYPE_CARTESIAN		0
#define TEXCOORDTYPE_HOMOGENEOUS	(1<<11)
#define TEXCOORDTYPE_VECTOR		(2<<11)
#define TEXCOORDTYPE_MASK	        (0x7<<11)
#define ENABLE_ADDR_V_CNTL		(1<<7)
#define ENABLE_ADDR_U_CNTL		(1<<3)
#define TEXCOORD_ADDR_V_MODE(x) 	((x)<<4)
#define TEXCOORD_ADDR_U_MODE(x) 	(x)
#define TEXCOORDMODE_WRAP		0
#define TEXCOORDMODE_MIRROR		1
#define TEXCOORDMODE_CLAMP		2
#define TEXCOORDMODE_WRAP_SHORTEST	3
#define TEXCOORDMODE_CLAMP_BORDER	4