/**************************************************************************
 *
 * 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 GEN4_RENDER_H
#define GEN4_RENDER_H

#define GEN4_3D(Pipeline,Opcode,Subopcode) ((3 << 29) | \
					   ((Pipeline) << 27) | \
					   ((Opcode) << 24) | \
					   ((Subopcode) << 16))

#define GEN4_URB_FENCE				GEN4_3D(0, 0, 0)
#define GEN4_CS_URB_STATE			GEN4_3D(0, 0, 1)
#define GEN4_CONSTANT_BUFFER			GEN4_3D(0, 0, 2)
#define GEN4_STATE_PREFETCH			GEN4_3D(0, 0, 3)

#define GEN4_STATE_BASE_ADDRESS			GEN4_3D(0, 1, 1)
#define GEN4_STATE_SIP				GEN4_3D(0, 1, 2)
#define GEN4_PIPELINE_SELECT			GEN4_3D(0, 1, 4)

#define NEW_PIPELINE_SELECT			GEN4_3D(1, 1, 4)

#define GEN4_MEDIA_STATE_POINTERS		GEN4_3D(2, 0, 0)
#define GEN4_MEDIA_OBJECT			GEN4_3D(2, 1, 0)

#define GEN4_3DSTATE_PIPELINED_POINTERS		GEN4_3D(3, 0, 0)
#define GEN4_3DSTATE_BINDING_TABLE_POINTERS	GEN4_3D(3, 0, 1)

#define GEN4_3DSTATE_VERTEX_BUFFERS		GEN4_3D(3, 0, 8)
#define GEN4_3DSTATE_VERTEX_ELEMENTS		GEN4_3D(3, 0, 9)
#define GEN4_3DSTATE_INDEX_BUFFER		GEN4_3D(3, 0, 0xa)
#define GEN4_3DSTATE_VF_STATISTICS		GEN4_3D(3, 0, 0xb)

#define GEN4_3DSTATE_DRAWING_RECTANGLE		GEN4_3D(3, 1, 0)
#define GEN4_3DSTATE_CONSTANT_COLOR		GEN4_3D(3, 1, 1)
#define GEN4_3DSTATE_SAMPLER_PALETTE_LOAD	GEN4_3D(3, 1, 2)
#define GEN4_3DSTATE_CHROMA_KEY			GEN4_3D(3, 1, 4)
#define GEN4_3DSTATE_DEPTH_BUFFER		GEN4_3D(3, 1, 5)
# define GEN4_3DSTATE_DEPTH_BUFFER_TYPE_SHIFT	29
# define GEN4_3DSTATE_DEPTH_BUFFER_FORMAT_SHIFT	18

#define GEN4_3DSTATE_POLY_STIPPLE_OFFSET		GEN4_3D(3, 1, 6)
#define GEN4_3DSTATE_POLY_STIPPLE_PATTERN	GEN4_3D(3, 1, 7)
#define GEN4_3DSTATE_LINE_STIPPLE		GEN4_3D(3, 1, 8)
#define GEN4_3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP	GEN4_3D(3, 1, 9)
/* These two are BLC and CTG only, not BW or CL */
#define GEN4_3DSTATE_AA_LINE_PARAMS		GEN4_3D(3, 1, 0xa)
#define GEN4_3DSTATE_GS_SVB_INDEX		GEN4_3D(3, 1, 0xb)

#define GEN4_PIPE_CONTROL			GEN4_3D(3, 2, 0)

#define GEN4_3DPRIMITIVE				GEN4_3D(3, 3, 0)

#define GEN4_3DSTATE_CLEAR_PARAMS		GEN4_3D(3, 1, 0x10)
/* DW1 */
# define GEN4_3DSTATE_DEPTH_CLEAR_VALID		(1 << 15)

#define PIPELINE_SELECT_3D		0
#define PIPELINE_SELECT_MEDIA		1

#define UF0_CS_REALLOC			(1 << 13)
#define UF0_VFE_REALLOC			(1 << 12)
#define UF0_SF_REALLOC			(1 << 11)
#define UF0_CLIP_REALLOC		(1 << 10)
#define UF0_GS_REALLOC			(1 << 9)
#define UF0_VS_REALLOC			(1 << 8)
#define UF1_CLIP_FENCE_SHIFT		20
#define UF1_GS_FENCE_SHIFT		10
#define UF1_VS_FENCE_SHIFT		0
#define UF2_CS_FENCE_SHIFT		20
#define UF2_VFE_FENCE_SHIFT		10
#define UF2_SF_FENCE_SHIFT		0

/* for GEN4_STATE_BASE_ADDRESS */
#define BASE_ADDRESS_MODIFY		(1 << 0)

/* for GEN4_3DSTATE_PIPELINED_POINTERS */
#define GEN4_GS_DISABLE		       0
#define GEN4_GS_ENABLE		       1
#define GEN4_CLIP_DISABLE	       0
#define GEN4_CLIP_ENABLE		       1

/* for GEN4_PIPE_CONTROL */
#define GEN4_PIPE_CONTROL_NOWRITE       (0 << 14)
#define GEN4_PIPE_CONTROL_WRITE_QWORD   (1 << 14)
#define GEN4_PIPE_CONTROL_WRITE_DEPTH   (2 << 14)
#define GEN4_PIPE_CONTROL_WRITE_TIME    (3 << 14)
#define GEN4_PIPE_CONTROL_DEPTH_STALL   (1 << 13)
#define GEN4_PIPE_CONTROL_WC_FLUSH      (1 << 12)
#define GEN4_PIPE_CONTROL_IS_FLUSH      (1 << 11)
#define GEN4_PIPE_CONTROL_TC_FLUSH      (1 << 10) /* ctg+ */
#define GEN4_PIPE_CONTROL_NOTIFY_ENABLE (1 << 8)
#define GEN4_PIPE_CONTROL_GLOBAL_GTT    (1 << 2)
#define GEN4_PIPE_CONTROL_LOCAL_PGTT    (0 << 2)
#define GEN4_PIPE_CONTROL_DEPTH_CACHE_FLUSH	(1 << 0)

/* VERTEX_BUFFER_STATE Structure */
#define VB0_BUFFER_INDEX_SHIFT		27
#define VB0_VERTEXDATA			(0 << 26)
#define VB0_INSTANCEDATA		(1 << 26)
#define VB0_BUFFER_PITCH_SHIFT		0

/* VERTEX_ELEMENT_STATE Structure */
#define VE0_VERTEX_BUFFER_INDEX_SHIFT	27
#define VE0_VALID			(1 << 26)
#define VE0_FORMAT_SHIFT		16
#define VE0_OFFSET_SHIFT		0
#define VE1_VFCOMPONENT_0_SHIFT		28
#define VE1_VFCOMPONENT_1_SHIFT		24
#define VE1_VFCOMPONENT_2_SHIFT		20
#define VE1_VFCOMPONENT_3_SHIFT		16
#define VE1_DESTINATION_ELEMENT_OFFSET_SHIFT	0

/* 3DPRIMITIVE bits */
#define GEN4_3DPRIMITIVE_VERTEX_SEQUENTIAL (0 << 15)
#define GEN4_3DPRIMITIVE_VERTEX_RANDOM	  (1 << 15)
/* Primitive types are in gen4_defines.h */
#define GEN4_3DPRIMITIVE_TOPOLOGY_SHIFT	  10

#define GEN4_SVG_CTL		       0x7400

#define GEN4_SVG_CTL_GS_BA	       (0 << 8)
#define GEN4_SVG_CTL_SS_BA	       (1 << 8)
#define GEN4_SVG_CTL_IO_BA	       (2 << 8)
#define GEN4_SVG_CTL_GS_AUB	       (3 << 8)
#define GEN4_SVG_CTL_IO_AUB	       (4 << 8)
#define GEN4_SVG_CTL_SIP		       (5 << 8)

#define GEN4_SVG_RDATA		       0x7404
#define GEN4_SVG_WORK_CTL	       0x7408

#define GEN4_VF_CTL		       0x7500

#define GEN4_VF_CTL_SNAPSHOT_COMPLETE		   (1 << 31)
#define GEN4_VF_CTL_SNAPSHOT_MUX_SELECT_THREADID	   (0 << 8)
#define GEN4_VF_CTL_SNAPSHOT_MUX_SELECT_VF_DEBUG	   (1 << 8)
#define GEN4_VF_CTL_SNAPSHOT_TYPE_VERTEX_SEQUENCE   (0 << 4)
#define GEN4_VF_CTL_SNAPSHOT_TYPE_VERTEX_INDEX	   (1 << 4)
#define GEN4_VF_CTL_SKIP_INITIAL_PRIMITIVES	   (1 << 3)
#define GEN4_VF_CTL_MAX_PRIMITIVES_LIMIT_ENABLE	   (1 << 2)
#define GEN4_VF_CTL_VERTEX_RANGE_LIMIT_ENABLE	   (1 << 1)
#define GEN4_VF_CTL_SNAPSHOT_ENABLE	     	   (1 << 0)

#define GEN4_VF_STRG_VAL		       0x7504
#define GEN4_VF_STR_VL_OVR	       0x7508
#define GEN4_VF_VC_OVR		       0x750c
#define GEN4_VF_STR_PSKIP	       0x7510
#define GEN4_VF_MAX_PRIM		       0x7514
#define GEN4_VF_RDATA		       0x7518

#define GEN4_VS_CTL		       0x7600
#define GEN4_VS_CTL_SNAPSHOT_COMPLETE		   (1 << 31)
#define GEN4_VS_CTL_SNAPSHOT_MUX_VERTEX_0	   (0 << 8)
#define GEN4_VS_CTL_SNAPSHOT_MUX_VERTEX_1	   (1 << 8)
#define GEN4_VS_CTL_SNAPSHOT_MUX_VALID_COUNT	   (2 << 8)
#define GEN4_VS_CTL_SNAPSHOT_MUX_VS_KERNEL_POINTER  (3 << 8)
#define GEN4_VS_CTL_SNAPSHOT_ALL_THREADS		   (1 << 2)
#define GEN4_VS_CTL_THREAD_SNAPSHOT_ENABLE	   (1 << 1)
#define GEN4_VS_CTL_SNAPSHOT_ENABLE		   (1 << 0)

#define GEN4_VS_STRG_VAL		       0x7604
#define GEN4_VS_RDATA		       0x7608

#define GEN4_SF_CTL		       0x7b00
#define GEN4_SF_CTL_SNAPSHOT_COMPLETE		   (1 << 31)
#define GEN4_SF_CTL_SNAPSHOT_MUX_VERTEX_0_FF_ID	   (0 << 8)
#define GEN4_SF_CTL_SNAPSHOT_MUX_VERTEX_0_REL_COUNT (1 << 8)
#define GEN4_SF_CTL_SNAPSHOT_MUX_VERTEX_1_FF_ID	   (2 << 8)
#define GEN4_SF_CTL_SNAPSHOT_MUX_VERTEX_1_REL_COUNT (3 << 8)
#define GEN4_SF_CTL_SNAPSHOT_MUX_VERTEX_2_FF_ID	   (4 << 8)
#define GEN4_SF_CTL_SNAPSHOT_MUX_VERTEX_2_REL_COUNT (5 << 8)
#define GEN4_SF_CTL_SNAPSHOT_MUX_VERTEX_COUNT	   (6 << 8)
#define GEN4_SF_CTL_SNAPSHOT_MUX_SF_KERNEL_POINTER  (7 << 8)
#define GEN4_SF_CTL_MIN_MAX_PRIMITIVE_RANGE_ENABLE  (1 << 4)
#define GEN4_SF_CTL_DEBUG_CLIP_RECTANGLE_ENABLE	   (1 << 3)
#define GEN4_SF_CTL_SNAPSHOT_ALL_THREADS		   (1 << 2)
#define GEN4_SF_CTL_THREAD_SNAPSHOT_ENABLE	   (1 << 1)
#define GEN4_SF_CTL_SNAPSHOT_ENABLE		   (1 << 0)

#define GEN4_SF_STRG_VAL		       0x7b04
#define GEN4_SF_RDATA		       0x7b18

#define GEN4_WIZ_CTL		       0x7c00
#define GEN4_WIZ_CTL_SNAPSHOT_COMPLETE		   (1 << 31)
#define GEN4_WIZ_CTL_SUBSPAN_INSTANCE_SHIFT	   16
#define GEN4_WIZ_CTL_SNAPSHOT_MUX_WIZ_KERNEL_POINTER   (0 << 8)
#define GEN4_WIZ_CTL_SNAPSHOT_MUX_SUBSPAN_INSTANCE     (1 << 8)
#define GEN4_WIZ_CTL_SNAPSHOT_MUX_PRIMITIVE_SEQUENCE   (2 << 8)
#define GEN4_WIZ_CTL_SINGLE_SUBSPAN_DISPATCH	      (1 << 6)
#define GEN4_WIZ_CTL_IGNORE_COLOR_SCOREBOARD_STALLS    (1 << 5)
#define GEN4_WIZ_CTL_ENABLE_SUBSPAN_INSTANCE_COMPARE   (1 << 4)
#define GEN4_WIZ_CTL_USE_UPSTREAM_SNAPSHOT_FLAG	      (1 << 3)
#define GEN4_WIZ_CTL_SNAPSHOT_ALL_THREADS	      (1 << 2)
#define GEN4_WIZ_CTL_THREAD_SNAPSHOT_ENABLE	      (1 << 1)
#define GEN4_WIZ_CTL_SNAPSHOT_ENABLE		      (1 << 0)

#define GEN4_WIZ_STRG_VAL			      0x7c04
#define GEN4_WIZ_RDATA				      0x7c18

#define GEN4_TS_CTL		       0x7e00
#define GEN4_TS_CTL_SNAPSHOT_COMPLETE		   (1 << 31)
#define GEN4_TS_CTL_SNAPSHOT_MESSAGE_ERROR	   (0 << 8)
#define GEN4_TS_CTL_SNAPSHOT_INTERFACE_DESCRIPTOR   (3 << 8)
#define GEN4_TS_CTL_SNAPSHOT_ALL_CHILD_THREADS	   (1 << 2)
#define GEN4_TS_CTL_SNAPSHOT_ALL_ROOT_THREADS  	   (1 << 1)
#define GEN4_TS_CTL_SNAPSHOT_ENABLE		   (1 << 0)

#define GEN4_TS_STRG_VAL		       0x7e04
#define GEN4_TS_RDATA		       0x7e08

#define GEN4_TD_CTL		       0x8000
#define GEN4_TD_CTL_MUX_SHIFT	       8
#define GEN4_TD_CTL_EXTERNAL_HALT_R0_DEBUG_MATCH	   (1 << 7)
#define GEN4_TD_CTL_FORCE_EXTERNAL_HALT		   (1 << 6)
#define GEN4_TD_CTL_EXCEPTION_MASK_OVERRIDE	   (1 << 5)
#define GEN4_TD_CTL_FORCE_THREAD_BREAKPOINT_ENABLE  (1 << 4)
#define GEN4_TD_CTL_BREAKPOINT_ENABLE		   (1 << 2)
#define GEN4_TD_CTL2		       0x8004
#define GEN4_TD_CTL2_ILLEGAL_OPCODE_EXCEPTION_OVERRIDE (1 << 28)
#define GEN4_TD_CTL2_MASKSTACK_EXCEPTION_OVERRIDE      (1 << 26)
#define GEN4_TD_CTL2_SOFTWARE_EXCEPTION_OVERRIDE	      (1 << 25)
#define GEN4_TD_CTL2_ACTIVE_THREAD_LIMIT_SHIFT	      16
#define GEN4_TD_CTL2_ACTIVE_THREAD_LIMIT_ENABLE	      (1 << 8)
#define GEN4_TD_CTL2_THREAD_SPAWNER_EXECUTION_MASK_ENABLE (1 << 7)
#define GEN4_TD_CTL2_WIZ_EXECUTION_MASK_ENABLE	      (1 << 6)
#define GEN4_TD_CTL2_SF_EXECUTION_MASK_ENABLE	      (1 << 5)
#define GEN4_TD_CTL2_CLIPPER_EXECUTION_MASK_ENABLE     (1 << 4)
#define GEN4_TD_CTL2_GS_EXECUTION_MASK_ENABLE	      (1 << 3)
#define GEN4_TD_CTL2_VS_EXECUTION_MASK_ENABLE	      (1 << 0)
#define GEN4_TD_VF_VS_EMSK	       0x8008
#define GEN4_TD_GS_EMSK		       0x800c
#define GEN4_TD_CLIP_EMSK	       0x8010
#define GEN4_TD_SF_EMSK		       0x8014
#define GEN4_TD_WIZ_EMSK		       0x8018
#define GEN4_TD_0_6_EHTRG_VAL	       0x801c
#define GEN4_TD_0_7_EHTRG_VAL	       0x8020
#define GEN4_TD_0_6_EHTRG_MSK           0x8024
#define GEN4_TD_0_7_EHTRG_MSK	       0x8028
#define GEN4_TD_RDATA		       0x802c
#define GEN4_TD_TS_EMSK		       0x8030

#define GEN4_EU_CTL		       0x8800
#define GEN4_EU_CTL_SELECT_SHIFT	       16
#define GEN4_EU_CTL_DATA_MUX_SHIFT      8
#define GEN4_EU_ATT_0		       0x8810
#define GEN4_EU_ATT_1		       0x8814
#define GEN4_EU_ATT_DATA_0	       0x8820
#define GEN4_EU_ATT_DATA_1	       0x8824
#define GEN4_EU_ATT_CLR_0	       0x8830
#define GEN4_EU_ATT_CLR_1	       0x8834
#define GEN4_EU_RDATA		       0x8840

/* 3D state:
 */
#define _3DOP_3DSTATE_PIPELINED       0x0
#define _3DOP_3DSTATE_NONPIPELINED    0x1
#define _3DOP_3DCONTROL               0x2
#define _3DOP_3DPRIMITIVE             0x3

#define _3DSTATE_PIPELINED_POINTERS       0x00
#define _3DSTATE_BINDING_TABLE_POINTERS   0x01
#define _3DSTATE_VERTEX_BUFFERS           0x08
#define _3DSTATE_VERTEX_ELEMENTS          0x09
#define _3DSTATE_INDEX_BUFFER             0x0A
#define _3DSTATE_VF_STATISTICS            0x0B
#define _3DSTATE_DRAWING_RECTANGLE            0x00
#define _3DSTATE_CONSTANT_COLOR               0x01
#define _3DSTATE_SAMPLER_PALETTE_LOAD         0x02
#define _3DSTATE_CHROMA_KEY                   0x04
#define _3DSTATE_DEPTH_BUFFER                 0x05
#define _3DSTATE_POLY_STIPPLE_OFFSET          0x06
#define _3DSTATE_POLY_STIPPLE_PATTERN         0x07
#define _3DSTATE_LINE_STIPPLE                 0x08
#define _3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP    0x09
#define _3DCONTROL    0x00
#define _3DPRIMITIVE  0x00

#define _3DPRIM_POINTLIST         0x01
#define _3DPRIM_LINELIST          0x02
#define _3DPRIM_LINESTRIP         0x03
#define _3DPRIM_TRILIST           0x04
#define _3DPRIM_TRISTRIP          0x05
#define _3DPRIM_TRIFAN            0x06
#define _3DPRIM_QUADLIST          0x07
#define _3DPRIM_QUADSTRIP         0x08
#define _3DPRIM_LINELIST_ADJ      0x09
#define _3DPRIM_LINESTRIP_ADJ     0x0A
#define _3DPRIM_TRILIST_ADJ       0x0B
#define _3DPRIM_TRISTRIP_ADJ      0x0C
#define _3DPRIM_TRISTRIP_REVERSE  0x0D
#define _3DPRIM_POLYGON           0x0E
#define _3DPRIM_RECTLIST          0x0F
#define _3DPRIM_LINELOOP          0x10
#define _3DPRIM_POINTLIST_BF      0x11
#define _3DPRIM_LINESTRIP_CONT    0x12
#define _3DPRIM_LINESTRIP_BF      0x13
#define _3DPRIM_LINESTRIP_CONT_BF 0x14
#define _3DPRIM_TRIFAN_NOSTIPPLE  0x15

#define _3DPRIM_VERTEXBUFFER_ACCESS_SEQUENTIAL 0
#define _3DPRIM_VERTEXBUFFER_ACCESS_RANDOM     1

#define GEN4_ANISORATIO_2     0 
#define GEN4_ANISORATIO_4     1 
#define GEN4_ANISORATIO_6     2 
#define GEN4_ANISORATIO_8     3 
#define GEN4_ANISORATIO_10    4 
#define GEN4_ANISORATIO_12    5 
#define GEN4_ANISORATIO_14    6 
#define GEN4_ANISORATIO_16    7

#define GEN4_BLENDFACTOR_ONE                 0x1
#define GEN4_BLENDFACTOR_SRC_COLOR           0x2
#define GEN4_BLENDFACTOR_SRC_ALPHA           0x3
#define GEN4_BLENDFACTOR_DST_ALPHA           0x4
#define GEN4_BLENDFACTOR_DST_COLOR           0x5
#define GEN4_BLENDFACTOR_SRC_ALPHA_SATURATE  0x6
#define GEN4_BLENDFACTOR_CONST_COLOR         0x7
#define GEN4_BLENDFACTOR_CONST_ALPHA         0x8
#define GEN4_BLENDFACTOR_SRC1_COLOR          0x9
#define GEN4_BLENDFACTOR_SRC1_ALPHA          0x0A
#define GEN4_BLENDFACTOR_ZERO                0x11
#define GEN4_BLENDFACTOR_INV_SRC_COLOR       0x12
#define GEN4_BLENDFACTOR_INV_SRC_ALPHA       0x13
#define GEN4_BLENDFACTOR_INV_DST_ALPHA       0x14
#define GEN4_BLENDFACTOR_INV_DST_COLOR       0x15
#define GEN4_BLENDFACTOR_INV_CONST_COLOR     0x17
#define GEN4_BLENDFACTOR_INV_CONST_ALPHA     0x18
#define GEN4_BLENDFACTOR_INV_SRC1_COLOR      0x19
#define GEN4_BLENDFACTOR_INV_SRC1_ALPHA      0x1A

#define GEN4_BLENDFUNCTION_ADD               0
#define GEN4_BLENDFUNCTION_SUBTRACT          1
#define GEN4_BLENDFUNCTION_REVERSE_SUBTRACT  2
#define GEN4_BLENDFUNCTION_MIN               3
#define GEN4_BLENDFUNCTION_MAX               4

#define GEN4_ALPHATEST_FORMAT_UNORM8         0
#define GEN4_ALPHATEST_FORMAT_FLOAT32        1

#define GEN4_CHROMAKEY_KILL_ON_ANY_MATCH  0
#define GEN4_CHROMAKEY_REPLACE_BLACK      1

#define GEN4_CLIP_API_OGL     0
#define GEN4_CLIP_API_DX      1

#define GEN4_CLIPMODE_NORMAL              0
#define GEN4_CLIPMODE_CLIP_ALL            1
#define GEN4_CLIPMODE_CLIP_NON_REJECTED   2
#define GEN4_CLIPMODE_REJECT_ALL          3
#define GEN4_CLIPMODE_ACCEPT_ALL          4

#define GEN4_CLIP_NDCSPACE     0
#define GEN4_CLIP_SCREENSPACE  1

#define GEN4_COMPAREFUNCTION_ALWAYS       0
#define GEN4_COMPAREFUNCTION_NEVER        1
#define GEN4_COMPAREFUNCTION_LESS         2
#define GEN4_COMPAREFUNCTION_EQUAL        3
#define GEN4_COMPAREFUNCTION_LEQUAL       4
#define GEN4_COMPAREFUNCTION_GREATER      5
#define GEN4_COMPAREFUNCTION_NOTEQUAL     6
#define GEN4_COMPAREFUNCTION_GEQUAL       7

#define GEN4_COVERAGE_PIXELS_HALF     0
#define GEN4_COVERAGE_PIXELS_1        1
#define GEN4_COVERAGE_PIXELS_2        2
#define GEN4_COVERAGE_PIXELS_4        3

#define GEN4_CULLMODE_BOTH        0
#define GEN4_CULLMODE_NONE        1
#define GEN4_CULLMODE_FRONT       2
#define GEN4_CULLMODE_BACK        3

#define GEN4_DEFAULTCOLOR_R8G8B8A8_UNORM      0
#define GEN4_DEFAULTCOLOR_R32G32B32A32_FLOAT  1

#define GEN4_DEPTHFORMAT_D32_FLOAT_S8X24_UINT     0
#define GEN4_DEPTHFORMAT_D32_FLOAT                1
#define GEN4_DEPTHFORMAT_D24_UNORM_S8_UINT        2
#define GEN4_DEPTHFORMAT_D16_UNORM                5

#define GEN4_FLOATING_POINT_IEEE_754        0
#define GEN4_FLOATING_POINT_NON_IEEE_754    1

#define GEN4_FRONTWINDING_CW      0
#define GEN4_FRONTWINDING_CCW     1

#define GEN4_INDEX_BYTE     0
#define GEN4_INDEX_WORD     1
#define GEN4_INDEX_DWORD    2

#define GEN4_LOGICOPFUNCTION_CLEAR            0
#define GEN4_LOGICOPFUNCTION_NOR              1
#define GEN4_LOGICOPFUNCTION_AND_INVERTED     2
#define GEN4_LOGICOPFUNCTION_COPY_INVERTED    3
#define GEN4_LOGICOPFUNCTION_AND_REVERSE      4
#define GEN4_LOGICOPFUNCTION_INVERT           5
#define GEN4_LOGICOPFUNCTION_XOR              6
#define GEN4_LOGICOPFUNCTION_NAND             7
#define GEN4_LOGICOPFUNCTION_AND              8
#define GEN4_LOGICOPFUNCTION_EQUIV            9
#define GEN4_LOGICOPFUNCTION_NOOP             10
#define GEN4_LOGICOPFUNCTION_OR_INVERTED      11
#define GEN4_LOGICOPFUNCTION_COPY             12
#define GEN4_LOGICOPFUNCTION_OR_REVERSE       13
#define GEN4_LOGICOPFUNCTION_OR               14
#define GEN4_LOGICOPFUNCTION_SET              15  

#define GEN4_MAPFILTER_NEAREST        0x0 
#define GEN4_MAPFILTER_LINEAR         0x1 
#define GEN4_MAPFILTER_ANISOTROPIC    0x2

#define GEN4_MIPFILTER_NONE        0   
#define GEN4_MIPFILTER_NEAREST     1   
#define GEN4_MIPFILTER_LINEAR      3

#define GEN4_POLYGON_FRONT_FACING     0
#define GEN4_POLYGON_BACK_FACING      1

#define GEN4_PREFILTER_ALWAYS     0x0 
#define GEN4_PREFILTER_NEVER      0x1
#define GEN4_PREFILTER_LESS       0x2
#define GEN4_PREFILTER_EQUAL      0x3
#define GEN4_PREFILTER_LEQUAL     0x4
#define GEN4_PREFILTER_GREATER    0x5
#define GEN4_PREFILTER_NOTEQUAL   0x6
#define GEN4_PREFILTER_GEQUAL     0x7

#define GEN4_PROVOKING_VERTEX_0    0
#define GEN4_PROVOKING_VERTEX_1    1 
#define GEN4_PROVOKING_VERTEX_2    2

#define GEN4_RASTRULE_UPPER_LEFT  0    
#define GEN4_RASTRULE_UPPER_RIGHT 1

#define GEN4_RENDERTARGET_CLAMPRANGE_UNORM    0
#define GEN4_RENDERTARGET_CLAMPRANGE_SNORM    1
#define GEN4_RENDERTARGET_CLAMPRANGE_FORMAT   2

#define GEN4_STENCILOP_KEEP               0
#define GEN4_STENCILOP_ZERO               1
#define GEN4_STENCILOP_REPLACE            2
#define GEN4_STENCILOP_INCRSAT            3
#define GEN4_STENCILOP_DECRSAT            4
#define GEN4_STENCILOP_INCR               5
#define GEN4_STENCILOP_DECR               6
#define GEN4_STENCILOP_INVERT             7

#define GEN4_SURFACE_MIPMAPLAYOUT_BELOW   0
#define GEN4_SURFACE_MIPMAPLAYOUT_RIGHT   1

#define GEN4_SURFACEFORMAT_R32G32B32A32_FLOAT             0x000
#define GEN4_SURFACEFORMAT_R32G32B32A32_SINT              0x001
#define GEN4_SURFACEFORMAT_R32G32B32A32_UINT              0x002
#define GEN4_SURFACEFORMAT_R32G32B32A32_UNORM             0x003
#define GEN4_SURFACEFORMAT_R32G32B32A32_SNORM             0x004
#define GEN4_SURFACEFORMAT_R64G64_FLOAT                   0x005
#define GEN4_SURFACEFORMAT_R32G32B32X32_FLOAT             0x006
#define GEN4_SURFACEFORMAT_R32G32B32A32_SSCALED           0x007
#define GEN4_SURFACEFORMAT_R32G32B32A32_USCALED           0x008
#define GEN4_SURFACEFORMAT_R32G32B32_FLOAT                0x040
#define GEN4_SURFACEFORMAT_R32G32B32_SINT                 0x041
#define GEN4_SURFACEFORMAT_R32G32B32_UINT                 0x042
#define GEN4_SURFACEFORMAT_R32G32B32_UNORM                0x043
#define GEN4_SURFACEFORMAT_R32G32B32_SNORM                0x044
#define GEN4_SURFACEFORMAT_R32G32B32_SSCALED              0x045
#define GEN4_SURFACEFORMAT_R32G32B32_USCALED              0x046
#define GEN4_SURFACEFORMAT_R16G16B16A16_UNORM             0x080
#define GEN4_SURFACEFORMAT_R16G16B16A16_SNORM             0x081
#define GEN4_SURFACEFORMAT_R16G16B16A16_SINT              0x082
#define GEN4_SURFACEFORMAT_R16G16B16A16_UINT              0x083
#define GEN4_SURFACEFORMAT_R16G16B16A16_FLOAT             0x084
#define GEN4_SURFACEFORMAT_R32G32_FLOAT                   0x085
#define GEN4_SURFACEFORMAT_R32G32_SINT                    0x086
#define GEN4_SURFACEFORMAT_R32G32_UINT                    0x087
#define GEN4_SURFACEFORMAT_R32_FLOAT_X8X24_TYPELESS       0x088
#define GEN4_SURFACEFORMAT_X32_TYPELESS_G8X24_UINT        0x089
#define GEN4_SURFACEFORMAT_L32A32_FLOAT                   0x08A
#define GEN4_SURFACEFORMAT_R32G32_UNORM                   0x08B
#define GEN4_SURFACEFORMAT_R32G32_SNORM                   0x08C
#define GEN4_SURFACEFORMAT_R64_FLOAT                      0x08D
#define GEN4_SURFACEFORMAT_R16G16B16X16_UNORM             0x08E
#define GEN4_SURFACEFORMAT_R16G16B16X16_FLOAT             0x08F
#define GEN4_SURFACEFORMAT_A32X32_FLOAT                   0x090
#define GEN4_SURFACEFORMAT_L32X32_FLOAT                   0x091
#define GEN4_SURFACEFORMAT_I32X32_FLOAT                   0x092
#define GEN4_SURFACEFORMAT_R16G16B16A16_SSCALED           0x093
#define GEN4_SURFACEFORMAT_R16G16B16A16_USCALED           0x094
#define GEN4_SURFACEFORMAT_R32G32_SSCALED                 0x095
#define GEN4_SURFACEFORMAT_R32G32_USCALED                 0x096
#define GEN4_SURFACEFORMAT_B8G8R8A8_UNORM                 0x0C0
#define GEN4_SURFACEFORMAT_B8G8R8A8_UNORM_SRGB            0x0C1
#define GEN4_SURFACEFORMAT_R10G10B10A2_UNORM              0x0C2
#define GEN4_SURFACEFORMAT_R10G10B10A2_UNORM_SRGB         0x0C3
#define GEN4_SURFACEFORMAT_R10G10B10A2_UINT               0x0C4
#define GEN4_SURFACEFORMAT_R10G10B10_SNORM_A2_UNORM       0x0C5
#define GEN4_SURFACEFORMAT_R8G8B8A8_UNORM                 0x0C7
#define GEN4_SURFACEFORMAT_R8G8B8A8_UNORM_SRGB            0x0C8
#define GEN4_SURFACEFORMAT_R8G8B8A8_SNORM                 0x0C9
#define GEN4_SURFACEFORMAT_R8G8B8A8_SINT                  0x0CA
#define GEN4_SURFACEFORMAT_R8G8B8A8_UINT                  0x0CB
#define GEN4_SURFACEFORMAT_R16G16_UNORM                   0x0CC
#define GEN4_SURFACEFORMAT_R16G16_SNORM                   0x0CD
#define GEN4_SURFACEFORMAT_R16G16_SINT                    0x0CE
#define GEN4_SURFACEFORMAT_R16G16_UINT                    0x0CF
#define GEN4_SURFACEFORMAT_R16G16_FLOAT                   0x0D0
#define GEN4_SURFACEFORMAT_B10G10R10A2_UNORM              0x0D1
#define GEN4_SURFACEFORMAT_B10G10R10A2_UNORM_SRGB         0x0D2
#define GEN4_SURFACEFORMAT_R11G11B10_FLOAT                0x0D3
#define GEN4_SURFACEFORMAT_R32_SINT                       0x0D6
#define GEN4_SURFACEFORMAT_R32_UINT                       0x0D7
#define GEN4_SURFACEFORMAT_R32_FLOAT                      0x0D8
#define GEN4_SURFACEFORMAT_R24_UNORM_X8_TYPELESS          0x0D9
#define GEN4_SURFACEFORMAT_X24_TYPELESS_G8_UINT           0x0DA
#define GEN4_SURFACEFORMAT_L16A16_UNORM                   0x0DF
#define GEN4_SURFACEFORMAT_I24X8_UNORM                    0x0E0
#define GEN4_SURFACEFORMAT_L24X8_UNORM                    0x0E1
#define GEN4_SURFACEFORMAT_A24X8_UNORM                    0x0E2
#define GEN4_SURFACEFORMAT_I32_FLOAT                      0x0E3
#define GEN4_SURFACEFORMAT_L32_FLOAT                      0x0E4
#define GEN4_SURFACEFORMAT_A32_FLOAT                      0x0E5
#define GEN4_SURFACEFORMAT_B8G8R8X8_UNORM                 0x0E9
#define GEN4_SURFACEFORMAT_B8G8R8X8_UNORM_SRGB            0x0EA
#define GEN4_SURFACEFORMAT_R8G8B8X8_UNORM                 0x0EB
#define GEN4_SURFACEFORMAT_R8G8B8X8_UNORM_SRGB            0x0EC
#define GEN4_SURFACEFORMAT_R9G9B9E5_SHAREDEXP             0x0ED
#define GEN4_SURFACEFORMAT_B10G10R10X2_UNORM              0x0EE
#define GEN4_SURFACEFORMAT_L16A16_FLOAT                   0x0F0
#define GEN4_SURFACEFORMAT_R32_UNORM                      0x0F1
#define GEN4_SURFACEFORMAT_R32_SNORM                      0x0F2
#define GEN4_SURFACEFORMAT_R10G10B10X2_USCALED            0x0F3
#define GEN4_SURFACEFORMAT_R8G8B8A8_SSCALED               0x0F4
#define GEN4_SURFACEFORMAT_R8G8B8A8_USCALED               0x0F5
#define GEN4_SURFACEFORMAT_R16G16_SSCALED                 0x0F6
#define GEN4_SURFACEFORMAT_R16G16_USCALED                 0x0F7
#define GEN4_SURFACEFORMAT_R32_SSCALED                    0x0F8
#define GEN4_SURFACEFORMAT_R32_USCALED                    0x0F9
#define GEN4_SURFACEFORMAT_B5G6R5_UNORM                   0x100
#define GEN4_SURFACEFORMAT_B5G6R5_UNORM_SRGB              0x101
#define GEN4_SURFACEFORMAT_B5G5R5A1_UNORM                 0x102
#define GEN4_SURFACEFORMAT_B5G5R5A1_UNORM_SRGB            0x103
#define GEN4_SURFACEFORMAT_B4G4R4A4_UNORM                 0x104
#define GEN4_SURFACEFORMAT_B4G4R4A4_UNORM_SRGB            0x105
#define GEN4_SURFACEFORMAT_R8G8_UNORM                     0x106
#define GEN4_SURFACEFORMAT_R8G8_SNORM                     0x107
#define GEN4_SURFACEFORMAT_R8G8_SINT                      0x108
#define GEN4_SURFACEFORMAT_R8G8_UINT                      0x109
#define GEN4_SURFACEFORMAT_R16_UNORM                      0x10A
#define GEN4_SURFACEFORMAT_R16_SNORM                      0x10B
#define GEN4_SURFACEFORMAT_R16_SINT                       0x10C
#define GEN4_SURFACEFORMAT_R16_UINT                       0x10D
#define GEN4_SURFACEFORMAT_R16_FLOAT                      0x10E
#define GEN4_SURFACEFORMAT_I16_UNORM                      0x111
#define GEN4_SURFACEFORMAT_L16_UNORM                      0x112
#define GEN4_SURFACEFORMAT_A16_UNORM                      0x113
#define GEN4_SURFACEFORMAT_L8A8_UNORM                     0x114
#define GEN4_SURFACEFORMAT_I16_FLOAT                      0x115
#define GEN4_SURFACEFORMAT_L16_FLOAT                      0x116
#define GEN4_SURFACEFORMAT_A16_FLOAT                      0x117
#define GEN4_SURFACEFORMAT_R5G5_SNORM_B6_UNORM            0x119
#define GEN4_SURFACEFORMAT_B5G5R5X1_UNORM                 0x11A
#define GEN4_SURFACEFORMAT_B5G5R5X1_UNORM_SRGB            0x11B
#define GEN4_SURFACEFORMAT_R8G8_SSCALED                   0x11C
#define GEN4_SURFACEFORMAT_R8G8_USCALED                   0x11D
#define GEN4_SURFACEFORMAT_R16_SSCALED                    0x11E
#define GEN4_SURFACEFORMAT_R16_USCALED                    0x11F
#define GEN4_SURFACEFORMAT_R8_UNORM                       0x140
#define GEN4_SURFACEFORMAT_R8_SNORM                       0x141
#define GEN4_SURFACEFORMAT_R8_SINT                        0x142
#define GEN4_SURFACEFORMAT_R8_UINT                        0x143
#define GEN4_SURFACEFORMAT_A8_UNORM                       0x144
#define GEN4_SURFACEFORMAT_I8_UNORM                       0x145
#define GEN4_SURFACEFORMAT_L8_UNORM                       0x146
#define GEN4_SURFACEFORMAT_P4A4_UNORM                     0x147
#define GEN4_SURFACEFORMAT_A4P4_UNORM                     0x148
#define GEN4_SURFACEFORMAT_R8_SSCALED                     0x149
#define GEN4_SURFACEFORMAT_R8_USCALED                     0x14A
#define GEN4_SURFACEFORMAT_R1_UINT                        0x181
#define GEN4_SURFACEFORMAT_YCRCB_NORMAL                   0x182
#define GEN4_SURFACEFORMAT_YCRCB_SWAPUVY                  0x183
#define GEN4_SURFACEFORMAT_BC1_UNORM                      0x186
#define GEN4_SURFACEFORMAT_BC2_UNORM                      0x187
#define GEN4_SURFACEFORMAT_BC3_UNORM                      0x188
#define GEN4_SURFACEFORMAT_BC4_UNORM                      0x189
#define GEN4_SURFACEFORMAT_BC5_UNORM                      0x18A
#define GEN4_SURFACEFORMAT_BC1_UNORM_SRGB                 0x18B
#define GEN4_SURFACEFORMAT_BC2_UNORM_SRGB                 0x18C
#define GEN4_SURFACEFORMAT_BC3_UNORM_SRGB                 0x18D
#define GEN4_SURFACEFORMAT_MONO8                          0x18E
#define GEN4_SURFACEFORMAT_YCRCB_SWAPUV                   0x18F
#define GEN4_SURFACEFORMAT_YCRCB_SWAPY                    0x190
#define GEN4_SURFACEFORMAT_DXT1_RGB                       0x191
#define GEN4_SURFACEFORMAT_FXT1                           0x192
#define GEN4_SURFACEFORMAT_R8G8B8_UNORM                   0x193
#define GEN4_SURFACEFORMAT_R8G8B8_SNORM                   0x194
#define GEN4_SURFACEFORMAT_R8G8B8_SSCALED                 0x195
#define GEN4_SURFACEFORMAT_R8G8B8_USCALED                 0x196
#define GEN4_SURFACEFORMAT_R64G64B64A64_FLOAT             0x197
#define GEN4_SURFACEFORMAT_R64G64B64_FLOAT                0x198
#define GEN4_SURFACEFORMAT_BC4_SNORM                      0x199
#define GEN4_SURFACEFORMAT_BC5_SNORM                      0x19A
#define GEN4_SURFACEFORMAT_R16G16B16_UNORM                0x19C
#define GEN4_SURFACEFORMAT_R16G16B16_SNORM                0x19D
#define GEN4_SURFACEFORMAT_R16G16B16_SSCALED              0x19E
#define GEN4_SURFACEFORMAT_R16G16B16_USCALED              0x19F

#define GEN4_SURFACERETURNFORMAT_FLOAT32  0
#define GEN4_SURFACERETURNFORMAT_S1       1

#define GEN4_SURFACE_1D      0
#define GEN4_SURFACE_2D      1
#define GEN4_SURFACE_3D      2
#define GEN4_SURFACE_CUBE    3
#define GEN4_SURFACE_BUFFER  4
#define GEN4_SURFACE_NULL    7

#define GEN4_BORDER_COLOR_MODE_DEFAULT	0
#define GEN4_BORDER_COLOR_MODE_LEGACY	1

#define GEN4_TEXCOORDMODE_WRAP            0
#define GEN4_TEXCOORDMODE_MIRROR          1
#define GEN4_TEXCOORDMODE_CLAMP           2
#define GEN4_TEXCOORDMODE_CUBE            3
#define GEN4_TEXCOORDMODE_CLAMP_BORDER    4
#define GEN4_TEXCOORDMODE_MIRROR_ONCE     5

#define GEN4_THREAD_PRIORITY_NORMAL   0
#define GEN4_THREAD_PRIORITY_HIGH     1

#define GEN4_TILEWALK_XMAJOR                 0
#define GEN4_TILEWALK_YMAJOR                 1

#define GEN4_VERTEX_SUBPIXEL_PRECISION_8BITS  0
#define GEN4_VERTEX_SUBPIXEL_PRECISION_4BITS  1

#define GEN4_VERTEXBUFFER_ACCESS_VERTEXDATA     0
#define GEN4_VERTEXBUFFER_ACCESS_INSTANCEDATA   1

#define VFCOMPONENT_NOSTORE      0
#define VFCOMPONENT_STORE_SRC    1
#define VFCOMPONENT_STORE_0      2
#define VFCOMPONENT_STORE_1_FLT  3
#define VFCOMPONENT_STORE_1_INT  4
#define VFCOMPONENT_STORE_VID    5
#define VFCOMPONENT_STORE_IID    6
#define VFCOMPONENT_STORE_PID    7


/* Execution Unit (EU) defines
 */

#define GEN4_ALIGN_1   0
#define GEN4_ALIGN_16  1

#define GEN4_ADDRESS_DIRECT                        0
#define GEN4_ADDRESS_REGISTER_INDIRECT_REGISTER    1

#define GEN4_CHANNEL_X     0
#define GEN4_CHANNEL_Y     1
#define GEN4_CHANNEL_Z     2
#define GEN4_CHANNEL_W     3

#define GEN4_COMPRESSION_NONE          0
#define GEN4_COMPRESSION_2NDHALF       1
#define GEN4_COMPRESSION_COMPRESSED    2

#define GEN4_CONDITIONAL_NONE  0
#define GEN4_CONDITIONAL_Z     1
#define GEN4_CONDITIONAL_NZ    2
#define GEN4_CONDITIONAL_EQ    1	/* Z */
#define GEN4_CONDITIONAL_NEQ   2	/* NZ */
#define GEN4_CONDITIONAL_G     3
#define GEN4_CONDITIONAL_GE    4
#define GEN4_CONDITIONAL_L     5
#define GEN4_CONDITIONAL_LE    6
#define GEN4_CONDITIONAL_C     7
#define GEN4_CONDITIONAL_O     8

#define GEN4_DEBUG_NONE        0
#define GEN4_DEBUG_BREAKPOINT  1

#define GEN4_DEPENDENCY_NORMAL         0
#define GEN4_DEPENDENCY_NOTCLEARED     1
#define GEN4_DEPENDENCY_NOTCHECKED     2
#define GEN4_DEPENDENCY_DISABLE        3

#define GEN4_EXECUTE_1     0
#define GEN4_EXECUTE_2     1
#define GEN4_EXECUTE_4     2
#define GEN4_EXECUTE_8     3
#define GEN4_EXECUTE_16    4
#define GEN4_EXECUTE_32    5

#define GEN4_HORIZONTAL_STRIDE_0   0
#define GEN4_HORIZONTAL_STRIDE_1   1
#define GEN4_HORIZONTAL_STRIDE_2   2
#define GEN4_HORIZONTAL_STRIDE_4   3

#define GEN4_INSTRUCTION_NORMAL    0
#define GEN4_INSTRUCTION_SATURATE  1

#define _MASK_ENABLE   0
#define _MASK_DISABLE  1

#define GEN4_OPCODE_MOV        1
#define GEN4_OPCODE_SEL        2
#define GEN4_OPCODE_NOT        4
#define GEN4_OPCODE_AND        5
#define GEN4_OPCODE_OR         6
#define GEN4_OPCODE_XOR        7
#define GEN4_OPCODE_SHR        8
#define GEN4_OPCODE_SHL        9
#define GEN4_OPCODE_RSR        10
#define GEN4_OPCODE_RSL        11
#define GEN4_OPCODE_ASR        12
#define GEN4_OPCODE_CMP        16
#define GEN4_OPCODE_JMPI       32
#define GEN4_OPCODE_IF         34
#define GEN4_OPCODE_IFF        35
#define GEN4_OPCODE_ELSE       36
#define GEN4_OPCODE_ENDIF      37
#define GEN4_OPCODE_DO         38
#define GEN4_OPCODE_WHILE      39
#define GEN4_OPCODE_BREAK      40
#define GEN4_OPCODE_CONTINUE   41
#define GEN4_OPCODE_HALT       42
#define GEN4_OPCODE_MSAVE      44
#define GEN4_OPCODE_MRESTORE   45
#define GEN4_OPCODE_PUSH       46
#define GEN4_OPCODE_POP        47
#define GEN4_OPCODE_WAIT       48
#define GEN4_OPCODE_SEND       49
#define GEN4_OPCODE_ADD        64
#define GEN4_OPCODE_MUL        65
#define GEN4_OPCODE_AVG        66
#define GEN4_OPCODE_FRC        67
#define GEN4_OPCODE_RNDU       68
#define GEN4_OPCODE_RNDD       69
#define GEN4_OPCODE_RNDE       70
#define GEN4_OPCODE_RNDZ       71
#define GEN4_OPCODE_MAC        72
#define GEN4_OPCODE_MACH       73
#define GEN4_OPCODE_LZD        74
#define GEN4_OPCODE_SAD2       80
#define GEN4_OPCODE_SADA2      81
#define GEN4_OPCODE_DP4        84
#define GEN4_OPCODE_DPH        85
#define GEN4_OPCODE_DP3        86
#define GEN4_OPCODE_DP2        87
#define GEN4_OPCODE_DPA2       88
#define GEN4_OPCODE_LINE       89
#define GEN4_OPCODE_NOP        126

#define GEN4_PREDICATE_NONE             0
#define GEN4_PREDICATE_NORMAL           1
#define GEN4_PREDICATE_ALIGN1_ANYV             2
#define GEN4_PREDICATE_ALIGN1_ALLV             3
#define GEN4_PREDICATE_ALIGN1_ANY2H            4
#define GEN4_PREDICATE_ALIGN1_ALL2H            5
#define GEN4_PREDICATE_ALIGN1_ANY4H            6
#define GEN4_PREDICATE_ALIGN1_ALL4H            7
#define GEN4_PREDICATE_ALIGN1_ANY8H            8
#define GEN4_PREDICATE_ALIGN1_ALL8H            9
#define GEN4_PREDICATE_ALIGN1_ANY16H           10
#define GEN4_PREDICATE_ALIGN1_ALL16H           11
#define GEN4_PREDICATE_ALIGN16_REPLICATE_X     2
#define GEN4_PREDICATE_ALIGN16_REPLICATE_Y     3
#define GEN4_PREDICATE_ALIGN16_REPLICATE_Z     4
#define GEN4_PREDICATE_ALIGN16_REPLICATE_W     5
#define GEN4_PREDICATE_ALIGN16_ANY4H           6
#define GEN4_PREDICATE_ALIGN16_ALL4H           7

#define GEN4_ARCHITECTURE_REGISTER_FILE    0
#define GEN4_GENERAL_REGISTER_FILE         1
#define GEN4_MESSAGE_REGISTER_FILE         2
#define GEN4_IMMEDIATE_VALUE               3

#define GEN4_REGISTER_TYPE_UD  0
#define GEN4_REGISTER_TYPE_D   1
#define GEN4_REGISTER_TYPE_UW  2
#define GEN4_REGISTER_TYPE_W   3
#define GEN4_REGISTER_TYPE_UB  4
#define GEN4_REGISTER_TYPE_B   5
#define GEN4_REGISTER_TYPE_VF  5	/* packed float vector, immediates only? */
#define GEN4_REGISTER_TYPE_HF  6
#define GEN4_REGISTER_TYPE_V   6	/* packed int vector, immediates only, uword dest only */
#define GEN4_REGISTER_TYPE_F   7

#define GEN4_ARF_NULL                  0x00
#define GEN4_ARF_ADDRESS               0x10
#define GEN4_ARF_ACCUMULATOR           0x20   
#define GEN4_ARF_FLAG                  0x30
#define GEN4_ARF_MASK                  0x40
#define GEN4_ARF_MASK_STACK            0x50
#define GEN4_ARF_MASK_STACK_DEPTH      0x60
#define GEN4_ARF_STATE                 0x70
#define GEN4_ARF_CONTROL               0x80
#define GEN4_ARF_NOTIFICATION_COUNT    0x90
#define GEN4_ARF_IP                    0xA0

#define GEN4_AMASK   0
#define GEN4_IMASK   1
#define GEN4_LMASK   2
#define GEN4_CMASK   3



#define GEN4_THREAD_NORMAL     0
#define GEN4_THREAD_ATOMIC     1
#define GEN4_THREAD_SWITCH     2

#define GEN4_VERTICAL_STRIDE_0                 0
#define GEN4_VERTICAL_STRIDE_1                 1
#define GEN4_VERTICAL_STRIDE_2                 2
#define GEN4_VERTICAL_STRIDE_4                 3
#define GEN4_VERTICAL_STRIDE_8                 4
#define GEN4_VERTICAL_STRIDE_16                5
#define GEN4_VERTICAL_STRIDE_32                6
#define GEN4_VERTICAL_STRIDE_64                7
#define GEN4_VERTICAL_STRIDE_128               8
#define GEN4_VERTICAL_STRIDE_256               9
#define GEN4_VERTICAL_STRIDE_ONE_DIMENSIONAL   0xF

#define GEN4_WIDTH_1       0
#define GEN4_WIDTH_2       1
#define GEN4_WIDTH_4       2
#define GEN4_WIDTH_8       3
#define GEN4_WIDTH_16      4

#define GEN4_STATELESS_BUFFER_BOUNDARY_1K      0
#define GEN4_STATELESS_BUFFER_BOUNDARY_2K      1
#define GEN4_STATELESS_BUFFER_BOUNDARY_4K      2
#define GEN4_STATELESS_BUFFER_BOUNDARY_8K      3
#define GEN4_STATELESS_BUFFER_BOUNDARY_16K     4
#define GEN4_STATELESS_BUFFER_BOUNDARY_32K     5
#define GEN4_STATELESS_BUFFER_BOUNDARY_64K     6
#define GEN4_STATELESS_BUFFER_BOUNDARY_128K    7
#define GEN4_STATELESS_BUFFER_BOUNDARY_256K    8
#define GEN4_STATELESS_BUFFER_BOUNDARY_512K    9
#define GEN4_STATELESS_BUFFER_BOUNDARY_1M      10
#define GEN4_STATELESS_BUFFER_BOUNDARY_2M      11

#define GEN4_POLYGON_FACING_FRONT      0
#define GEN4_POLYGON_FACING_BACK       1

#define GEN4_MESSAGE_TARGET_NULL               0
#define GEN4_MESSAGE_TARGET_MATH               1
#define GEN4_MESSAGE_TARGET_SAMPLER            2
#define GEN4_MESSAGE_TARGET_GATEWAY            3
#define GEN4_MESSAGE_TARGET_DATAPORT_READ      4
#define GEN4_MESSAGE_TARGET_DATAPORT_WRITE     5
#define GEN4_MESSAGE_TARGET_URB                6
#define GEN4_MESSAGE_TARGET_THREAD_SPAWNER     7

#define GEN4_SAMPLER_RETURN_FORMAT_FLOAT32     0
#define GEN4_SAMPLER_RETURN_FORMAT_UINT32      2
#define GEN4_SAMPLER_RETURN_FORMAT_SINT32      3

#define GEN4_SAMPLER_MESSAGE_SIMD8_SAMPLE              0
#define GEN4_SAMPLER_MESSAGE_SIMD16_SAMPLE             0
#define GEN4_SAMPLER_MESSAGE_SIMD16_SAMPLE_BIAS        0
#define GEN4_SAMPLER_MESSAGE_SIMD8_KILLPIX             1
#define GEN4_SAMPLER_MESSAGE_SIMD4X2_SAMPLE_LOD        1
#define GEN4_SAMPLER_MESSAGE_SIMD16_SAMPLE_LOD         1
#define GEN4_SAMPLER_MESSAGE_SIMD4X2_SAMPLE_GRADIENTS  2
#define GEN4_SAMPLER_MESSAGE_SIMD8_SAMPLE_GRADIENTS    2
#define GEN4_SAMPLER_MESSAGE_SIMD4X2_SAMPLE_COMPARE    0
#define GEN4_SAMPLER_MESSAGE_SIMD16_SAMPLE_COMPARE     2
#define GEN4_SAMPLER_MESSAGE_SIMD4X2_RESINFO           2
#define GEN4_SAMPLER_MESSAGE_SIMD8_RESINFO             2
#define GEN4_SAMPLER_MESSAGE_SIMD16_RESINFO            2
#define GEN4_SAMPLER_MESSAGE_SIMD4X2_LD                3
#define GEN4_SAMPLER_MESSAGE_SIMD8_LD                  3
#define GEN4_SAMPLER_MESSAGE_SIMD16_LD                 3

#define GEN4_DATAPORT_OWORD_BLOCK_1_OWORDLOW   0
#define GEN4_DATAPORT_OWORD_BLOCK_1_OWORDHIGH  1
#define GEN4_DATAPORT_OWORD_BLOCK_2_OWORDS     2
#define GEN4_DATAPORT_OWORD_BLOCK_4_OWORDS     3
#define GEN4_DATAPORT_OWORD_BLOCK_8_OWORDS     4

#define GEN4_DATAPORT_OWORD_DUAL_BLOCK_1OWORD     0
#define GEN4_DATAPORT_OWORD_DUAL_BLOCK_4OWORDS    2

#define GEN4_DATAPORT_DWORD_SCATTERED_BLOCK_8DWORDS   2
#define GEN4_DATAPORT_DWORD_SCATTERED_BLOCK_16DWORDS  3

#define GEN4_DATAPORT_READ_MESSAGE_OWORD_BLOCK_READ          0
#define GEN4_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ     1
#define GEN4_DATAPORT_READ_MESSAGE_DWORD_BLOCK_READ          2
#define GEN4_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ      3

#define GEN4_DATAPORT_READ_TARGET_DATA_CACHE      0
#define GEN4_DATAPORT_READ_TARGET_RENDER_CACHE    1
#define GEN4_DATAPORT_READ_TARGET_SAMPLER_CACHE   2

#define GEN4_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE                0
#define GEN4_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE_REPLICATED     1
#define GEN4_DATAPORT_RENDER_TARGET_WRITE_SIMD8_DUAL_SOURCE_SUBSPAN01         2
#define GEN4_DATAPORT_RENDER_TARGET_WRITE_SIMD8_DUAL_SOURCE_SUBSPAN23         3
#define GEN4_DATAPORT_RENDER_TARGET_WRITE_SIMD8_SINGLE_SOURCE_SUBSPAN01       4

#define GEN4_DATAPORT_WRITE_MESSAGE_OWORD_BLOCK_WRITE                0
#define GEN4_DATAPORT_WRITE_MESSAGE_OWORD_DUAL_BLOCK_WRITE           1
#define GEN4_DATAPORT_WRITE_MESSAGE_DWORD_BLOCK_WRITE                2
#define GEN4_DATAPORT_WRITE_MESSAGE_DWORD_SCATTERED_WRITE            3
#define GEN4_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE              4
#define GEN4_DATAPORT_WRITE_MESSAGE_STREAMED_VERTEX_BUFFER_WRITE     5
#define GEN4_DATAPORT_WRITE_MESSAGE_FLUSH_RENDER_CACHE               7

#define GEN4_MATH_FUNCTION_INV                              1
#define GEN4_MATH_FUNCTION_LOG                              2
#define GEN4_MATH_FUNCTION_EXP                              3
#define GEN4_MATH_FUNCTION_SQRT                             4
#define GEN4_MATH_FUNCTION_RSQ                              5
#define GEN4_MATH_FUNCTION_SIN                              6 /* was 7 */
#define GEN4_MATH_FUNCTION_COS                              7 /* was 8 */
#define GEN4_MATH_FUNCTION_SINCOS                           8 /* was 6 */
#define GEN4_MATH_FUNCTION_TAN                              9
#define GEN4_MATH_FUNCTION_POW                              10
#define GEN4_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER   11
#define GEN4_MATH_FUNCTION_INT_DIV_QUOTIENT                 12
#define GEN4_MATH_FUNCTION_INT_DIV_REMAINDER                13

#define GEN4_MATH_INTEGER_UNSIGNED     0
#define GEN4_MATH_INTEGER_SIGNED       1

#define GEN4_MATH_PRECISION_FULL        0
#define GEN4_MATH_PRECISION_PARTIAL     1

#define GEN4_MATH_SATURATE_NONE         0
#define GEN4_MATH_SATURATE_SATURATE     1

#define GEN4_MATH_DATA_VECTOR  0
#define GEN4_MATH_DATA_SCALAR  1

#define GEN4_URB_OPCODE_WRITE  0

#define GEN4_URB_SWIZZLE_NONE          0
#define GEN4_URB_SWIZZLE_INTERLEAVE    1
#define GEN4_URB_SWIZZLE_TRANSPOSE     2

#define GEN4_SCRATCH_SPACE_SIZE_1K     0
#define GEN4_SCRATCH_SPACE_SIZE_2K     1
#define GEN4_SCRATCH_SPACE_SIZE_4K     2
#define GEN4_SCRATCH_SPACE_SIZE_8K     3
#define GEN4_SCRATCH_SPACE_SIZE_16K    4
#define GEN4_SCRATCH_SPACE_SIZE_32K    5
#define GEN4_SCRATCH_SPACE_SIZE_64K    6
#define GEN4_SCRATCH_SPACE_SIZE_128K   7
#define GEN4_SCRATCH_SPACE_SIZE_256K   8
#define GEN4_SCRATCH_SPACE_SIZE_512K   9
#define GEN4_SCRATCH_SPACE_SIZE_1M     10
#define GEN4_SCRATCH_SPACE_SIZE_2M     11




#define CMD_URB_FENCE                 0x6000
#define CMD_CONST_BUFFER_STATE        0x6001
#define CMD_CONST_BUFFER              0x6002

#define CMD_STATE_BASE_ADDRESS        0x6101
#define CMD_STATE_INSN_POINTER        0x6102
#define CMD_PIPELINE_SELECT           0x6104

#define CMD_PIPELINED_STATE_POINTERS  0x7800
#define CMD_BINDING_TABLE_PTRS        0x7801
#define CMD_VERTEX_BUFFER             0x7808
#define CMD_VERTEX_ELEMENT            0x7809
#define CMD_INDEX_BUFFER              0x780a
#define CMD_VF_STATISTICS             0x780b

#define CMD_DRAW_RECT                 0x7900
#define CMD_BLEND_CONSTANT_COLOR      0x7901
#define CMD_CHROMA_KEY                0x7904
#define CMD_DEPTH_BUFFER              0x7905
#define CMD_POLY_STIPPLE_OFFSET       0x7906
#define CMD_POLY_STIPPLE_PATTERN      0x7907
#define CMD_LINE_STIPPLE_PATTERN      0x7908
#define CMD_GLOBAL_DEPTH_OFFSET_CLAMP 0x7908

#define CMD_PIPE_CONTROL              0x7a00

#define CMD_3D_PRIM                   0x7b00

#define CMD_MI_FLUSH                  0x0200


/* Various values from the R0 vertex header:
 */
#define R02_PRIM_END    0x1
#define R02_PRIM_START  0x2

/* media pipeline */

#define GEN4_VFE_MODE_GENERIC		0x0
#define GEN4_VFE_MODE_VLD_MPEG2		0x1
#define GEN4_VFE_MODE_IS			0x2
#define GEN4_VFE_MODE_AVC_MC		0x4
#define GEN4_VFE_MODE_AVC_IT		0x7
#define GEN4_VFE_MODE_VC1_IT		0xB

#define GEN4_VFE_DEBUG_COUNTER_FREE	0
#define GEN4_VFE_DEBUG_COUNTER_FROZEN	1
#define GEN4_VFE_DEBUG_COUNTER_ONCE	2
#define GEN4_VFE_DEBUG_COUNTER_ALWAYS	3

/* VLD_STATE */
#define GEN4_MPEG_TOP_FIELD		1
#define GEN4_MPEG_BOTTOM_FIELD		2
#define GEN4_MPEG_FRAME			3
#define GEN4_MPEG_QSCALE_LINEAR		0
#define GEN4_MPEG_QSCALE_NONLINEAR	1
#define GEN4_MPEG_ZIGZAG_SCAN		0
#define GEN4_MPEG_ALTER_VERTICAL_SCAN	1
#define GEN4_MPEG_I_PICTURE		1
#define GEN4_MPEG_P_PICTURE		2
#define GEN4_MPEG_B_PICTURE		3

/* Command packets:
 */
struct header
{
   unsigned int length:16;
   unsigned int opcode:16;
};


union header_union
{
   struct header bits;
   unsigned int dword;
};

struct gen4_3d_control
{   
   struct 
   {
      unsigned int length:8;
      unsigned int notify_enable:1;
      unsigned int pad:3;
      unsigned int wc_flush_enable:1; 
      unsigned int depth_stall_enable:1; 
      unsigned int operation:2; 
      unsigned int opcode:16; 
   } header;
   
   struct
   {
      unsigned int pad:2;
      unsigned int dest_addr_type:1; 
      unsigned int dest_addr:29; 
   } dest;
   
   unsigned int dword2;   
   unsigned int dword3;   
};


struct gen4_3d_primitive
{
   struct
   {
      unsigned int length:8; 
      unsigned int pad:2;
      unsigned int topology:5; 
      unsigned int indexed:1; 
      unsigned int opcode:16; 
   } header;

   unsigned int verts_per_instance;  
   unsigned int start_vert_location;  
   unsigned int instance_count;  
   unsigned int start_instance_location;  
   unsigned int base_vert_location;  
};

/* These seem to be passed around as function args, so it works out
 * better to keep them as #defines:
 */
#define GEN4_FLUSH_READ_CACHE           0x1
#define GEN4_FLUSH_STATE_CACHE          0x2
#define GEN4_INHIBIT_FLUSH_RENDER_CACHE 0x4
#define GEN4_FLUSH_SNAPSHOT_COUNTERS    0x8

struct gen4_mi_flush
{
   unsigned int flags:4;
   unsigned int pad:12;
   unsigned int opcode:16;
};

struct gen4_vf_statistics
{
   unsigned int statistics_enable:1;
   unsigned int pad:15;
   unsigned int opcode:16;
};



struct gen4_binding_table_pointers
{
   struct header header;
   unsigned int vs; 
   unsigned int gs; 
   unsigned int clp; 
   unsigned int sf; 
   unsigned int wm; 
};


struct gen4_blend_constant_color
{
   struct header header;
   float blend_constant_color[4];  
};


struct gen4_depthbuffer
{
   union header_union header;
   
   union {
      struct {
	 unsigned int pitch:18; 
	 unsigned int format:3; 
	 unsigned int pad:4;
	 unsigned int depth_offset_disable:1; 
	 unsigned int tile_walk:1; 
	 unsigned int tiled_surface:1; 
	 unsigned int pad2:1;
	 unsigned int surface_type:3; 
      } bits;
      unsigned int dword;
   } dword1;
   
   unsigned int dword2_base_addr; 
 
   union {
      struct {
	 unsigned int pad:1;
	 unsigned int mipmap_layout:1; 
	 unsigned int lod:4; 
	 unsigned int width:13; 
	 unsigned int height:13; 
      } bits;
      unsigned int dword;
   } dword3;

   union {
      struct {
	 unsigned int pad:12;
	 unsigned int min_array_element:9; 
	 unsigned int depth:11; 
      } bits;
      unsigned int dword;
   } dword4;
};

struct gen4_drawrect
{
   struct header header;
   unsigned int xmin:16; 
   unsigned int ymin:16; 
   unsigned int xmax:16; 
   unsigned int ymax:16; 
   unsigned int xorg:16;  
   unsigned int yorg:16;  
};




struct gen4_global_depth_offset_clamp
{
   struct header header;
   float depth_offset_clamp;  
};

struct gen4_indexbuffer
{   
   union {
      struct
      {
	 unsigned int length:8; 
	 unsigned int index_format:2; 
	 unsigned int cut_index_enable:1; 
	 unsigned int pad:5; 
	 unsigned int opcode:16; 
      } bits;
      unsigned int dword;

   } header;

   unsigned int buffer_start; 
   unsigned int buffer_end; 
};


struct gen4_line_stipple
{   
   struct header header;
  
   struct
   {
      unsigned int pattern:16; 
      unsigned int pad:16;
   } bits0;
   
   struct
   {
      unsigned int repeat_count:9; 
      unsigned int pad:7;
      unsigned int inverse_repeat_count:16; 
   } bits1;
};


struct gen4_pipelined_state_pointers
{
   struct header header;
   
   struct {
      unsigned int pad:5;
      unsigned int offset:27; 
   } vs;
   
   struct
   {
      unsigned int enable:1;
      unsigned int pad:4;
      unsigned int offset:27; 
   } gs;
   
   struct
   {
      unsigned int enable:1;
      unsigned int pad:4;
      unsigned int offset:27; 
   } clp;
   
   struct
   {
      unsigned int pad:5;
      unsigned int offset:27; 
   } sf;

   struct
   {
      unsigned int pad:5;
      unsigned int offset:27; 
   } wm;
   
   struct
   {
      unsigned int pad:5;
      unsigned int offset:27; /* KW: check me! */
   } cc;
};


struct gen4_polygon_stipple_offset
{
   struct header header;

   struct {
      unsigned int y_offset:5; 
      unsigned int pad:3;
      unsigned int x_offset:5; 
      unsigned int pad0:19;
   } bits0;
};



struct gen4_polygon_stipple
{
   struct header header;
   unsigned int stipple[32];
};



struct gen4_pipeline_select
{
   struct
   {
      unsigned int pipeline_select:1;   
      unsigned int pad:15;
      unsigned int opcode:16;   
   } header;
};


struct gen4_pipe_control
{
   struct
   {
      unsigned int length:8;
      unsigned int notify_enable:1;
      unsigned int pad:2;
      unsigned int instruction_state_cache_flush_enable:1;
      unsigned int write_cache_flush_enable:1;
      unsigned int depth_stall_enable:1;
      unsigned int post_sync_operation:2;

      unsigned int opcode:16;
   } header;

   struct
   {
      unsigned int pad:2;
      unsigned int dest_addr_type:1;
      unsigned int dest_addr:29;
   } bits1;

   unsigned int data0;
   unsigned int data1;
};


struct gen4_urb_fence
{
   struct
   {
      unsigned int length:8;   
      unsigned int vs_realloc:1;   
      unsigned int gs_realloc:1;   
      unsigned int clp_realloc:1;   
      unsigned int sf_realloc:1;   
      unsigned int vfe_realloc:1;   
      unsigned int cs_realloc:1;   
      unsigned int pad:2;
      unsigned int opcode:16;   
   } header;

   struct
   {
      unsigned int vs_fence:10;  
      unsigned int gs_fence:10;  
      unsigned int clp_fence:10;  
      unsigned int pad:2;
   } bits0;

   struct
   {
      unsigned int sf_fence:10;  
      unsigned int vf_fence:10;  
      unsigned int cs_fence:10;  
      unsigned int pad:2;
   } bits1;
};

struct gen4_constant_buffer_state /* previously gen4_command_streamer */
{
   struct header header;

   struct
   {
      unsigned int nr_urb_entries:3;   
      unsigned int pad:1;
      unsigned int urb_entry_size:5;   
      unsigned int pad0:23;
   } bits0;
};

struct gen4_constant_buffer
{
   struct
   {
      unsigned int length:8;   
      unsigned int valid:1;   
      unsigned int pad:7;
      unsigned int opcode:16;   
   } header;

   struct
   {
      unsigned int buffer_length:6;   
      unsigned int buffer_address:26;  
   } bits0;
};

struct gen4_state_base_address
{
   struct header header;

   struct
   {
      unsigned int modify_enable:1;
      unsigned int pad:4;
      unsigned int general_state_address:27;  
   } bits0;

   struct
   {
      unsigned int modify_enable:1;
      unsigned int pad:4;
      unsigned int surface_state_address:27;  
   } bits1;

   struct
   {
      unsigned int modify_enable:1;
      unsigned int pad:4;
      unsigned int indirect_object_state_address:27;  
   } bits2;

   struct
   {
      unsigned int modify_enable:1;
      unsigned int pad:11;
      unsigned int general_state_upper_bound:20;  
   } bits3;

   struct
   {
      unsigned int modify_enable:1;
      unsigned int pad:11;
      unsigned int indirect_object_state_upper_bound:20;  
   } bits4;
};

struct gen4_state_prefetch
{
   struct header header;

   struct
   {
      unsigned int prefetch_count:3;   
      unsigned int pad:3;
      unsigned int prefetch_pointer:26;  
   } bits0;
};

struct gen4_system_instruction_pointer
{
   struct header header;

   struct
   {
      unsigned int pad:4;
      unsigned int system_instruction_pointer:28;  
   } bits0;
};




/* State structs for the various fixed function units:
 */


struct thread0
{
   unsigned int pad0:1;
   unsigned int grf_reg_count:3; 
   unsigned int pad1:2;
   unsigned int kernel_start_pointer:26; 
};

struct thread1
{
   unsigned int ext_halt_exception_enable:1; 
   unsigned int sw_exception_enable:1; 
   unsigned int mask_stack_exception_enable:1; 
   unsigned int timeout_exception_enable:1; 
   unsigned int illegal_op_exception_enable:1; 
   unsigned int pad0:3;
   unsigned int depth_coef_urb_read_offset:6;	/* WM only */
   unsigned int pad1:2;
   unsigned int floating_point_mode:1; 
   unsigned int thread_priority:1; 
   unsigned int binding_table_entry_count:8; 
   unsigned int pad3:5;
   unsigned int single_program_flow:1; 
};

struct thread2
{
   unsigned int per_thread_scratch_space:4; 
   unsigned int pad0:6;
   unsigned int scratch_space_base_pointer:22; 
};

   
struct thread3
{
   unsigned int dispatch_grf_start_reg:4; 
   unsigned int urb_entry_read_offset:6; 
   unsigned int pad0:1;
   unsigned int urb_entry_read_length:6; 
   unsigned int pad1:1;
   unsigned int const_urb_entry_read_offset:6; 
   unsigned int pad2:1;
   unsigned int const_urb_entry_read_length:6; 
   unsigned int pad3:1;
};



struct gen4_clip_unit_state
{
   struct thread0 thread0;
   struct thread1 thread1;
   struct thread2 thread2;
   struct thread3 thread3;

   struct
   {
      unsigned int pad0:9;
      unsigned int gs_output_stats:1; /* not always */
      unsigned int stats_enable:1; 
      unsigned int nr_urb_entries:7; 
      unsigned int pad1:1;
      unsigned int urb_entry_allocation_size:5; 
      unsigned int pad2:1;
      unsigned int max_threads:6; 	/* may be less */
      unsigned int pad3:1;
   } thread4;   
      
   struct
   {
      unsigned int pad0:13;
      unsigned int clip_mode:3; 
      unsigned int userclip_enable_flags:8; 
      unsigned int userclip_must_clip:1; 
      unsigned int pad1:1;
      unsigned int guard_band_enable:1; 
      unsigned int viewport_z_clip_enable:1; 
      unsigned int viewport_xy_clip_enable:1; 
      unsigned int vertex_position_space:1; 
      unsigned int api_mode:1; 
      unsigned int pad2:1;
   } clip5;
   
   struct
   {
      unsigned int pad0:5;
      unsigned int clipper_viewport_state_ptr:27; 
   } clip6;

   
   float viewport_xmin;  
   float viewport_xmax;  
   float viewport_ymin;  
   float viewport_ymax;  
};



struct gen4_cc_unit_state
{
   struct
   {
      unsigned int pad0:3;
      unsigned int bf_stencil_pass_depth_pass_op:3; 
      unsigned int bf_stencil_pass_depth_fail_op:3; 
      unsigned int bf_stencil_fail_op:3; 
      unsigned int bf_stencil_func:3; 
      unsigned int bf_stencil_enable:1; 
      unsigned int pad1:2;
      unsigned int stencil_write_enable:1; 
      unsigned int stencil_pass_depth_pass_op:3; 
      unsigned int stencil_pass_depth_fail_op:3; 
      unsigned int stencil_fail_op:3; 
      unsigned int stencil_func:3; 
      unsigned int stencil_enable:1; 
   } cc0;

   
   struct
   {
      unsigned int bf_stencil_ref:8; 
      unsigned int stencil_write_mask:8; 
      unsigned int stencil_test_mask:8; 
      unsigned int stencil_ref:8; 
   } cc1;

   
   struct
   {
      unsigned int logicop_enable:1; 
      unsigned int pad0:10;
      unsigned int depth_write_enable:1; 
      unsigned int depth_test_function:3; 
      unsigned int depth_test:1; 
      unsigned int bf_stencil_write_mask:8; 
      unsigned int bf_stencil_test_mask:8; 
   } cc2;

   
   struct
   {
      unsigned int pad0:8;
      unsigned int alpha_test_func:3; 
      unsigned int alpha_test:1; 
      unsigned int blend_enable:1; 
      unsigned int ia_blend_enable:1; 
      unsigned int pad1:1;
      unsigned int alpha_test_format:1;
      unsigned int pad2:16;
   } cc3;
   
   struct
   {
      unsigned int pad0:5; 
      unsigned int cc_viewport_state_offset:27; 
   } cc4;
   
   struct
   {
      unsigned int pad0:2;
      unsigned int ia_dest_blend_factor:5; 
      unsigned int ia_src_blend_factor:5; 
      unsigned int ia_blend_function:3; 
      unsigned int statistics_enable:1; 
      unsigned int logicop_func:4; 
      unsigned int pad1:11;
      unsigned int dither_enable:1; 
   } cc5;

   struct
   {
      unsigned int clamp_post_alpha_blend:1; 
      unsigned int clamp_pre_alpha_blend:1; 
      unsigned int clamp_range:2; 
      unsigned int pad0:11;
      unsigned int y_dither_offset:2; 
      unsigned int x_dither_offset:2; 
      unsigned int dest_blend_factor:5; 
      unsigned int src_blend_factor:5; 
      unsigned int blend_function:3; 
   } cc6;

   struct {
      union {
	 float f;  
	 unsigned char ub[4];
      } alpha_ref;
   } cc7;
};



struct gen4_sf_unit_state
{
   struct thread0 thread0;
   struct {
      unsigned int pad0:7;
      unsigned int sw_exception_enable:1; 
      unsigned int pad1:3;
      unsigned int mask_stack_exception_enable:1; 
      unsigned int pad2:1;
      unsigned int illegal_op_exception_enable:1; 
      unsigned int pad3:2;
      unsigned int floating_point_mode:1; 
      unsigned int thread_priority:1; 
      unsigned int binding_table_entry_count:8; 
      unsigned int pad4:5;
      unsigned int single_program_flow:1; 
   } sf1;
   
   struct thread2 thread2;
   struct thread3 thread3;

   struct
   {
      unsigned int pad0:10;
      unsigned int stats_enable:1; 
      unsigned int nr_urb_entries:7; 
      unsigned int pad1:1;
      unsigned int urb_entry_allocation_size:5; 
      unsigned int pad2:1;
      unsigned int max_threads:6; 
      unsigned int pad3:1;
   } thread4;   

   struct
   {
      unsigned int front_winding:1; 
      unsigned int viewport_transform:1; 
      unsigned int pad0:3;
      unsigned int sf_viewport_state_offset:27; 
   } sf5;
   
   struct
   {
      unsigned int pad0:9;
      unsigned int dest_org_vbias:4; 
      unsigned int dest_org_hbias:4; 
      unsigned int scissor:1; 
      unsigned int disable_2x2_trifilter:1; 
      unsigned int disable_zero_pix_trifilter:1; 
      unsigned int point_rast_rule:2; 
      unsigned int line_endcap_aa_region_width:2; 
      unsigned int line_width:4; 
      unsigned int fast_scissor_disable:1; 
      unsigned int cull_mode:2; 
      unsigned int aa_enable:1; 
   } sf6;

   struct
   {
      unsigned int point_size:11; 
      unsigned int use_point_size_state:1; 
      unsigned int subpixel_precision:1; 
      unsigned int sprite_point:1; 
      unsigned int pad0:11;
      unsigned int trifan_pv:2; 
      unsigned int linestrip_pv:2; 
      unsigned int tristrip_pv:2; 
      unsigned int line_last_pixel_enable:1; 
   } sf7;

};


struct gen4_gs_unit_state
{
   struct thread0 thread0;
   struct thread1 thread1;
   struct thread2 thread2;
   struct thread3 thread3;

   struct
   {
      unsigned int pad0:10;
      unsigned int stats_enable:1; 
      unsigned int nr_urb_entries:7; 
      unsigned int pad1:1;
      unsigned int urb_entry_allocation_size:5; 
      unsigned int pad2:1;
      unsigned int max_threads:1; 
      unsigned int pad3:6;
   } thread4;   
      
   struct
   {
      unsigned int sampler_count:3; 
      unsigned int pad0:2;
      unsigned int sampler_state_pointer:27; 
   } gs5;

   
   struct
   {
      unsigned int max_vp_index:4; 
      unsigned int pad0:26;
      unsigned int reorder_enable:1; 
      unsigned int pad1:1;
   } gs6;
};


struct gen4_vs_unit_state
{
   struct thread0 thread0;
   struct thread1 thread1;
   struct thread2 thread2;
   struct thread3 thread3;
   
   struct
   {
      unsigned int pad0:10;
      unsigned int stats_enable:1; 
      unsigned int nr_urb_entries:7; 
      unsigned int pad1:1;
      unsigned int urb_entry_allocation_size:5; 
      unsigned int pad2:1;
      unsigned int max_threads:4; 
      unsigned int pad3:3;
   } thread4;   

   struct
   {
      unsigned int sampler_count:3; 
      unsigned int pad0:2;
      unsigned int sampler_state_pointer:27; 
   } vs5;

   struct
   {
      unsigned int vs_enable:1; 
      unsigned int vert_cache_disable:1; 
      unsigned int pad0:30;
   } vs6;
};


struct gen4_wm_unit_state
{
   struct thread0 thread0;
   struct thread1 thread1;
   struct thread2 thread2;
   struct thread3 thread3;
   
   struct {
      unsigned int stats_enable:1; 
      unsigned int pad0:1;
      unsigned int sampler_count:3; 
      unsigned int sampler_state_pointer:27; 
   } wm4;
   
   struct
   {
      unsigned int enable_8_pix:1; 
      unsigned int enable_16_pix:1; 
      unsigned int enable_32_pix:1; 
      unsigned int pad0:7;
      unsigned int legacy_global_depth_bias:1; 
      unsigned int line_stipple:1; 
      unsigned int depth_offset:1; 
      unsigned int polygon_stipple:1; 
      unsigned int line_aa_region_width:2; 
      unsigned int line_endcap_aa_region_width:2; 
      unsigned int early_depth_test:1; 
      unsigned int thread_dispatch_enable:1; 
      unsigned int program_uses_depth:1; 
      unsigned int program_computes_depth:1; 
      unsigned int program_uses_killpixel:1; 
      unsigned int legacy_line_rast: 1; 
      unsigned int transposed_urb_read:1; 
      unsigned int max_threads:7; 
   } wm5;
   
   float global_depth_offset_constant;  
   float global_depth_offset_scale;   

   struct {
      unsigned int pad0:1;
      unsigned int grf_reg_count_1:3; 
      unsigned int pad1:2;
      unsigned int kernel_start_pointer_1:26;
   } wm8;       

   struct {
      unsigned int pad0:1;
      unsigned int grf_reg_count_2:3; 
      unsigned int pad1:2;
      unsigned int kernel_start_pointer_2:26;
   } wm9;       

   struct {
      unsigned int pad0:1;
      unsigned int grf_reg_count_3:3; 
      unsigned int pad1:2;
      unsigned int kernel_start_pointer_3:26;
   } wm10;       
};

struct gen4_wm_unit_state_padded {
	struct gen4_wm_unit_state state;
	char pad[64 - sizeof(struct gen4_wm_unit_state)];
};

/* The hardware supports two different modes for border color. The
 * default (OpenGL) mode uses floating-point color channels, while the
 * legacy mode uses 4 bytes.
 *
 * More significantly, the legacy mode respects the components of the
 * border color for channels not present in the source, (whereas the
 * default mode will ignore the border color's alpha channel and use
 * alpha==1 for an RGB source, for example).
 *
 * The legacy mode matches the semantics specified by the Render
 * extension.
 */
struct gen4_sampler_default_border_color {
   float color[4];
};

struct gen4_sampler_legacy_border_color {
   uint8_t color[4];
};

struct gen4_sampler_state
{
   
   struct
   {
      unsigned int shadow_function:3; 
      unsigned int lod_bias:11; 
      unsigned int min_filter:3; 
      unsigned int mag_filter:3; 
      unsigned int mip_filter:2; 
      unsigned int base_level:5; 
      unsigned int pad:1;
      unsigned int lod_preclamp:1; 
      unsigned int border_color_mode:1; 
      unsigned int pad0:1;
      unsigned int disable:1; 
   } ss0;

   struct
   {
      unsigned int r_wrap_mode:3; 
      unsigned int t_wrap_mode:3; 
      unsigned int s_wrap_mode:3; 
      unsigned int pad:3;
      unsigned int max_lod:10; 
      unsigned int min_lod:10; 
   } ss1;

   
   struct
   {
      unsigned int pad:5;
      unsigned int border_color_pointer:27; 
   } ss2;
   
   struct
   {
      unsigned int pad:19;
      unsigned int max_aniso:3; 
      unsigned int chroma_key_mode:1; 
      unsigned int chroma_key_index:2; 
      unsigned int chroma_key_enable:1; 
      unsigned int monochrome_filter_width:3; 
      unsigned int monochrome_filter_height:3; 
   } ss3;
};


struct gen4_clipper_viewport
{
   float xmin;  
   float xmax;  
   float ymin;  
   float ymax;  
};

struct gen4_cc_viewport
{
   float min_depth;  
   float max_depth;  
};

struct gen4_sf_viewport
{
   struct {
      float m00;  
      float m11;  
      float m22;  
      float m30;  
      float m31;  
      float m32;  
   } viewport;

   struct {
      short xmin;
      short ymin;
      short xmax;
      short ymax;
   } scissor;
};

/* Documented in the subsystem/shared-functions/sampler chapter...
 */
struct gen4_surface_state
{
   struct {
      unsigned int cube_pos_z:1; 
      unsigned int cube_neg_z:1; 
      unsigned int cube_pos_y:1; 
      unsigned int cube_neg_y:1; 
      unsigned int cube_pos_x:1; 
      unsigned int cube_neg_x:1; 
      unsigned int pad:3;
      unsigned int render_cache_read_mode:1;
      unsigned int mipmap_layout_mode:1; 
      unsigned int vert_line_stride_ofs:1; 
      unsigned int vert_line_stride:1; 
      unsigned int color_blend:1; 
      unsigned int writedisable_blue:1; 
      unsigned int writedisable_green:1; 
      unsigned int writedisable_red:1; 
      unsigned int writedisable_alpha:1; 
      unsigned int surface_format:9; 
      unsigned int data_return_format:1; 
      unsigned int pad0:1;
      unsigned int surface_type:3; 
   } ss0;
   
   struct {
      unsigned int base_addr;  
   } ss1;
   
   struct {
      unsigned int render_target_rotation:2;
      unsigned int mip_count:4; 
      unsigned int width:13; 
      unsigned int height:13; 
   } ss2;

   struct {
      unsigned int tile_walk:1; 
      unsigned int tiled_surface:1; 
      unsigned int pad:1; 
      unsigned int pitch:18; 
      unsigned int depth:11; 
   } ss3;
   
   struct {
      unsigned int pad:19;
      unsigned int min_array_elt:9; 
      unsigned int min_lod:4; 
   } ss4;

   struct {
       unsigned int pad:20;
       unsigned int y_offset:4;
       unsigned int pad2:1;
       unsigned int x_offset:7;
   } ss5;
};

/* Surface state DW0 */
#define GEN4_SURFACE_RC_READ_WRITE       (1 << 8)
#define GEN4_SURFACE_MIPLAYOUT_SHIFT     10
#define GEN4_SURFACE_MIPMAPLAYOUT_BELOW   0
#define GEN4_SURFACE_MIPMAPLAYOUT_RIGHT   1
#define GEN4_SURFACE_CUBEFACE_ENABLES    0x3f
#define GEN4_SURFACE_BLEND_ENABLED       (1 << 13)
#define GEN4_SURFACE_WRITEDISABLE_B_SHIFT        14
#define GEN4_SURFACE_WRITEDISABLE_G_SHIFT        15
#define GEN4_SURFACE_WRITEDISABLE_R_SHIFT        16
#define GEN4_SURFACE_WRITEDISABLE_A_SHIFT        17
#define GEN4_SURFACE_FORMAT_SHIFT        18
#define GEN4_SURFACE_FORMAT_MASK         _MASK(26, 18)

#define GEN4_SURFACE_TYPE_SHIFT          29
#define GEN4_SURFACE_TYPE_MASK           _MASK(31, 29)
#define GEN4_SURFACE_1D      0
#define GEN4_SURFACE_2D      1
#define GEN4_SURFACE_3D      2
#define GEN4_SURFACE_CUBE    3
#define GEN4_SURFACE_BUFFER  4
#define GEN4_SURFACE_NULL    7

/* Surface state DW2 */
#define GEN4_SURFACE_HEIGHT_SHIFT        19
#define GEN4_SURFACE_HEIGHT_MASK         _MASK(31, 19)
#define GEN4_SURFACE_WIDTH_SHIFT         6
#define GEN4_SURFACE_WIDTH_MASK          _MASK(18, 6)
#define GEN4_SURFACE_LOD_SHIFT           2
#define GEN4_SURFACE_LOD_MASK            _MASK(5, 2)

/* Surface state DW3 */
#define GEN4_SURFACE_DEPTH_SHIFT         21
#define GEN4_SURFACE_DEPTH_MASK          _MASK(31, 21)
#define GEN4_SURFACE_PITCH_SHIFT         3
#define GEN4_SURFACE_PITCH_MASK          _MASK(19, 3)
#define GEN4_SURFACE_TILED               (1 << 1)
#define GEN4_SURFACE_TILED_Y             (1 << 0)

/* Surface state DW4 */
#define GEN4_SURFACE_MIN_LOD_SHIFT       28
#define GEN4_SURFACE_MIN_LOD_MASK        _MASK(31, 28)

/* Surface state DW5 */
#define GEN4_SURFACE_X_OFFSET_SHIFT      25
#define GEN4_SURFACE_X_OFFSET_MASK       _MASK(31, 25)
#define GEN4_SURFACE_Y_OFFSET_SHIFT      20
#define GEN4_SURFACE_Y_OFFSET_MASK       _MASK(23, 20)


struct gen4_vertex_buffer_state
{
   struct {
      unsigned int pitch:11; 
      unsigned int pad:15;
      unsigned int access_type:1; 
      unsigned int vb_index:5; 
   } vb0;
   
   unsigned int start_addr; 
   unsigned int max_index;   
#if 1
   unsigned int instance_data_step_rate; /* not included for sequential/random vertices? */
#endif
};

#define GEN4_VBP_MAX 17

struct gen4_vb_array_state {
   struct header header;
   struct gen4_vertex_buffer_state vb[GEN4_VBP_MAX];
};


struct gen4_vertex_element_state
{
   struct
   {
      unsigned int src_offset:11; 
      unsigned int pad:5;
      unsigned int src_format:9; 
      unsigned int pad0:1;
      unsigned int valid:1; 
      unsigned int vertex_buffer_index:5; 
   } ve0;
   
   struct
   {
      unsigned int dst_offset:8; 
      unsigned int pad:8;
      unsigned int vfcomponent3:4; 
      unsigned int vfcomponent2:4; 
      unsigned int vfcomponent1:4; 
      unsigned int vfcomponent0:4; 
   } ve1;
};

#define GEN4_VEP_MAX 18

struct gen4_vertex_element_packet {
   struct header header;
   struct gen4_vertex_element_state ve[GEN4_VEP_MAX]; /* note: less than _TNL_ATTRIB_MAX */
};


struct gen4_urb_immediate {
   unsigned int opcode:4;
   unsigned int offset:6;
   unsigned int swizzle_control:2; 
   unsigned int pad:1;
   unsigned int allocate:1;
   unsigned int used:1;
   unsigned int complete:1;
   unsigned int response_length:4;
   unsigned int msg_length:4;
   unsigned int msg_target:4;
   unsigned int pad1:3;
   unsigned int end_of_thread:1;
};

/* Instruction format for the execution units:
 */
 
struct gen4_instruction
{
   struct 
   {
      unsigned int opcode:7;
      unsigned int pad:1;
      unsigned int access_mode:1;
      unsigned int mask_control:1;
      unsigned int dependency_control:2;
      unsigned int compression_control:2;
      unsigned int thread_control:2;
      unsigned int predicate_control:4;
      unsigned int predicate_inverse:1;
      unsigned int execution_size:3;
      unsigned int destreg__conditonalmod:4; /* destreg - send, conditionalmod - others */
      unsigned int pad0:2;
      unsigned int debug_control:1;
      unsigned int saturate:1;
   } header;

   union {
      struct
      {
	 unsigned int dest_reg_file:2;
	 unsigned int dest_reg_type:3;
	 unsigned int src0_reg_file:2;
	 unsigned int src0_reg_type:3;
	 unsigned int src1_reg_file:2;
	 unsigned int src1_reg_type:3;
	 unsigned int pad:1;
	 unsigned int dest_subreg_nr:5;
	 unsigned int dest_reg_nr:8;
	 unsigned int dest_horiz_stride:2;
	 unsigned int dest_address_mode:1;
      } da1;

      struct
      {
	 unsigned int dest_reg_file:2;
	 unsigned int dest_reg_type:3;
	 unsigned int src0_reg_file:2;
	 unsigned int src0_reg_type:3;
	 unsigned int pad:6;
	 int dest_indirect_offset:10;	/* offset against the deref'd address reg */
	 unsigned int dest_subreg_nr:3; /* subnr for the address reg a0.x */
	 unsigned int dest_horiz_stride:2;
	 unsigned int dest_address_mode:1;
      } ia1;

      struct
      {
	 unsigned int dest_reg_file:2;
	 unsigned int dest_reg_type:3;
	 unsigned int src0_reg_file:2;
	 unsigned int src0_reg_type:3;
	 unsigned int src1_reg_file:2;
	 unsigned int src1_reg_type:3;
	 unsigned int pad0:1;
	 unsigned int dest_writemask:4;
	 unsigned int dest_subreg_nr:1;
	 unsigned int dest_reg_nr:8;
	 unsigned int pad1:2;
	 unsigned int dest_address_mode:1;
      } da16;

      struct
      {
	 unsigned int dest_reg_file:2;
	 unsigned int dest_reg_type:3;
	 unsigned int src0_reg_file:2;
	 unsigned int src0_reg_type:3;
	 unsigned int pad0:6;
	 unsigned int dest_writemask:4;
	 int dest_indirect_offset:6;
	 unsigned int dest_subreg_nr:3;
	 unsigned int pad1:2;
	 unsigned int dest_address_mode:1;
      } ia16;
   } bits1;


   union {
      struct
      {
	 unsigned int src0_subreg_nr:5;
	 unsigned int src0_reg_nr:8;
	 unsigned int src0_abs:1;
	 unsigned int src0_negate:1;
	 unsigned int src0_address_mode:1;
	 unsigned int src0_horiz_stride:2;
	 unsigned int src0_width:3;
	 unsigned int src0_vert_stride:4;
	 unsigned int flag_reg_nr:1;
	 unsigned int pad:6;
      } da1;

      struct
      {
	 int src0_indirect_offset:10;
	 unsigned int src0_subreg_nr:3;
	 unsigned int src0_abs:1;
	 unsigned int src0_negate:1;
	 unsigned int src0_address_mode:1;
	 unsigned int src0_horiz_stride:2;
	 unsigned int src0_width:3;
	 unsigned int src0_vert_stride:4;
	 unsigned int flag_reg_nr:1;
	 unsigned int pad:6;	
      } ia1;

      struct
      {
	 unsigned int src0_swz_x:2;
	 unsigned int src0_swz_y:2;
	 unsigned int src0_subreg_nr:1;
	 unsigned int src0_reg_nr:8;
	 unsigned int src0_abs:1;
	 unsigned int src0_negate:1;
	 unsigned int src0_address_mode:1;
	 unsigned int src0_swz_z:2;
	 unsigned int src0_swz_w:2;
	 unsigned int pad0:1;
	 unsigned int src0_vert_stride:4;
	 unsigned int flag_reg_nr:1;
	 unsigned int pad1:6;
      } da16;

      struct
      {
	 unsigned int src0_swz_x:2;
	 unsigned int src0_swz_y:2;
	 int src0_indirect_offset:6;
	 unsigned int src0_subreg_nr:3;
	 unsigned int src0_abs:1;
	 unsigned int src0_negate:1;
	 unsigned int src0_address_mode:1;
	 unsigned int src0_swz_z:2;
	 unsigned int src0_swz_w:2;
	 unsigned int pad0:1;
	 unsigned int src0_vert_stride:4;
	 unsigned int flag_reg_nr:1;
	 unsigned int pad1:6;
      } ia16;

   } bits2;

   union
   {
      struct
      {
	 unsigned int src1_subreg_nr:5;
	 unsigned int src1_reg_nr:8;
	 unsigned int src1_abs:1;
	 unsigned int src1_negate:1;
	 unsigned int pad:1;
	 unsigned int src1_horiz_stride:2;
	 unsigned int src1_width:3;
	 unsigned int src1_vert_stride:4;
	 unsigned int pad0:7;
      } da1;

      struct
      {
	 unsigned int src1_swz_x:2;
	 unsigned int src1_swz_y:2;
	 unsigned int src1_subreg_nr:1;
	 unsigned int src1_reg_nr:8;
	 unsigned int src1_abs:1;
	 unsigned int src1_negate:1;
	 unsigned int pad0:1;
	 unsigned int src1_swz_z:2;
	 unsigned int src1_swz_w:2;
	 unsigned int pad1:1;
	 unsigned int src1_vert_stride:4;
	 unsigned int pad2:7;
      } da16;

      struct
      {
	 int  src1_indirect_offset:10;
	 unsigned int src1_subreg_nr:3;
	 unsigned int src1_abs:1;
	 unsigned int src1_negate:1;
	 unsigned int pad0:1;
	 unsigned int src1_horiz_stride:2;
	 unsigned int src1_width:3;
	 unsigned int src1_vert_stride:4;
	 unsigned int flag_reg_nr:1;
	 unsigned int pad1:6;	
      } ia1;

      struct
      {
	 unsigned int src1_swz_x:2;
	 unsigned int src1_swz_y:2;
	 int  src1_indirect_offset:6;
	 unsigned int src1_subreg_nr:3;
	 unsigned int src1_abs:1;
	 unsigned int src1_negate:1;
	 unsigned int pad0:1;
	 unsigned int src1_swz_z:2;
	 unsigned int src1_swz_w:2;
	 unsigned int pad1:1;
	 unsigned int src1_vert_stride:4;
	 unsigned int flag_reg_nr:1;
	 unsigned int pad2:6;
      } ia16;


      struct
      {
	 int  jump_count:16;	/* note: signed */
	 unsigned int  pop_count:4;
	 unsigned int  pad0:12;
      } if_else;

      struct {
	 unsigned int function:4;
	 unsigned int int_type:1;
	 unsigned int precision:1;
	 unsigned int saturate:1;
	 unsigned int data_type:1;
	 unsigned int pad0:8;
	 unsigned int response_length:4;
	 unsigned int msg_length:4;
	 unsigned int msg_target:4;
	 unsigned int pad1:3;
	 unsigned int end_of_thread:1;
      } math;

      struct {
	 unsigned int binding_table_index:8;
	 unsigned int sampler:4;
	 unsigned int return_format:2; 
	 unsigned int msg_type:2;   
	 unsigned int response_length:4;
	 unsigned int msg_length:4;
	 unsigned int msg_target:4;
	 unsigned int pad1:3;
	 unsigned int end_of_thread:1;
      } sampler;

      struct gen4_urb_immediate urb;

      struct {
	 unsigned int binding_table_index:8;
	 unsigned int msg_control:4;  
	 unsigned int msg_type:2;  
	 unsigned int target_cache:2;    
	 unsigned int response_length:4;
	 unsigned int msg_length:4;
	 unsigned int msg_target:4;
	 unsigned int pad1:3;
	 unsigned int end_of_thread:1;
      } dp_read;

      struct {
	 unsigned int binding_table_index:8;
	 unsigned int msg_control:3;
	 unsigned int pixel_scoreboard_clear:1;
	 unsigned int msg_type:3;    
	 unsigned int send_commit_msg:1;
	 unsigned int response_length:4;
	 unsigned int msg_length:4;
	 unsigned int msg_target:4;
	 unsigned int pad1:3;
	 unsigned int end_of_thread:1;
      } dp_write;

      struct {
	 unsigned int pad:16;
	 unsigned int response_length:4;
	 unsigned int msg_length:4;
	 unsigned int msg_target:4;
	 unsigned int pad1:3;
	 unsigned int end_of_thread:1;
      } generic;

      unsigned int ud;
   } bits3;
};

/* media pipeline */

struct gen4_vfe_state {
    struct {
	unsigned int per_thread_scratch_space:4;
	unsigned int pad3:3;
	unsigned int extend_vfe_state_present:1;
	unsigned int pad2:2;
	unsigned int scratch_base:22;
    } vfe0;

    struct {
	unsigned int debug_counter_control:2;
	unsigned int children_present:1;
	unsigned int vfe_mode:4;
	unsigned int pad2:2;
	unsigned int num_urb_entries:7;
	unsigned int urb_entry_alloc_size:9;
	unsigned int max_threads:7;
    } vfe1;

    struct {
	unsigned int pad4:4;
	unsigned int interface_descriptor_base:28;
    } vfe2;
};

struct gen4_vld_state {
    struct {
	unsigned int pad6:6;
	unsigned int scan_order:1;
	unsigned int intra_vlc_format:1;
	unsigned int quantizer_scale_type:1;
	unsigned int concealment_motion_vector:1;
	unsigned int frame_predict_frame_dct:1;
	unsigned int top_field_first:1;
	unsigned int picture_structure:2;
	unsigned int intra_dc_precision:2;
	unsigned int f_code_0_0:4;
	unsigned int f_code_0_1:4;
	unsigned int f_code_1_0:4;
	unsigned int f_code_1_1:4;
    } vld0;

    struct {
	unsigned int pad2:9;
	unsigned int picture_coding_type:2;
	unsigned int pad:21;
    } vld1;

    struct {
	unsigned int index_0:4;
	unsigned int index_1:4;
	unsigned int index_2:4;
	unsigned int index_3:4;
	unsigned int index_4:4;
	unsigned int index_5:4;
	unsigned int index_6:4;
	unsigned int index_7:4;
    } desc_remap_table0;

    struct {
	unsigned int index_8:4;
	unsigned int index_9:4;
	unsigned int index_10:4;
	unsigned int index_11:4;
	unsigned int index_12:4;
	unsigned int index_13:4;
	unsigned int index_14:4;
	unsigned int index_15:4;
    } desc_remap_table1;
};

struct gen4_interface_descriptor {
    struct {
	unsigned int grf_reg_blocks:4;
	unsigned int pad:2;
	unsigned int kernel_start_pointer:26;
    } desc0;

    struct {
	unsigned int pad:7;
	unsigned int software_exception:1;
	unsigned int pad2:3;
	unsigned int maskstack_exception:1;
	unsigned int pad3:1;
	unsigned int illegal_opcode_exception:1;
	unsigned int pad4:2;
	unsigned int floating_point_mode:1;
	unsigned int thread_priority:1;
	unsigned int single_program_flow:1;
	unsigned int pad5:1;
	unsigned int const_urb_entry_read_offset:6;
	unsigned int const_urb_entry_read_len:6;
    } desc1;

    struct {
	unsigned int pad:2;
	unsigned int sampler_count:3;
	unsigned int sampler_state_pointer:27;
    } desc2;

    struct {
	unsigned int binding_table_entry_count:5;
	unsigned int binding_table_pointer:27;
    } desc3;
};

struct gen6_blend_state
{
	struct {
		unsigned int dest_blend_factor:5;
		unsigned int source_blend_factor:5;
		unsigned int pad3:1;
		unsigned int blend_func:3;
		unsigned int pad2:1;
		unsigned int ia_dest_blend_factor:5;
		unsigned int ia_source_blend_factor:5;
		unsigned int pad1:1;
		unsigned int ia_blend_func:3;
		unsigned int pad0:1;
		unsigned int ia_blend_enable:1;
		unsigned int blend_enable:1;
	} blend0;

	struct {
		unsigned int post_blend_clamp_enable:1;
		unsigned int pre_blend_clamp_enable:1;
		unsigned int clamp_range:2;
		unsigned int pad0:4;
		unsigned int x_dither_offset:2;
		unsigned int y_dither_offset:2;
		unsigned int dither_enable:1;
		unsigned int alpha_test_func:3;
		unsigned int alpha_test_enable:1;
		unsigned int pad1:1;
		unsigned int logic_op_func:4;
		unsigned int logic_op_enable:1;
		unsigned int pad2:1;
		unsigned int write_disable_b:1;
		unsigned int write_disable_g:1;
		unsigned int write_disable_r:1;
		unsigned int write_disable_a:1;
		unsigned int pad3:1;
		unsigned int alpha_to_coverage_dither:1;
		unsigned int alpha_to_one:1;
		unsigned int alpha_to_coverage:1;
	} blend1;
};

struct gen6_color_calc_state
{
	struct {
		unsigned int alpha_test_format:1;
		unsigned int pad0:14;
		unsigned int round_disable:1;
		unsigned int bf_stencil_ref:8;
		unsigned int stencil_ref:8;
	} cc0;

	union {
		float alpha_ref_f;
		struct {
			unsigned int ui:8;
			unsigned int pad0:24;
		} alpha_ref_fi;
	} cc1;

	float constant_r;
	float constant_g;
	float constant_b;
	float constant_a;
};

struct gen6_depth_stencil_state
{
	struct {
		unsigned int pad0:3;
		unsigned int bf_stencil_pass_depth_pass_op:3;
		unsigned int bf_stencil_pass_depth_fail_op:3;
		unsigned int bf_stencil_fail_op:3;
		unsigned int bf_stencil_func:3;
		unsigned int bf_stencil_enable:1;
		unsigned int pad1:2;
		unsigned int stencil_write_enable:1;
		unsigned int stencil_pass_depth_pass_op:3;
		unsigned int stencil_pass_depth_fail_op:3;
		unsigned int stencil_fail_op:3;
		unsigned int stencil_func:3;
		unsigned int stencil_enable:1;
	} ds0;

	struct {
		unsigned int bf_stencil_write_mask:8;
		unsigned int bf_stencil_test_mask:8;
		unsigned int stencil_write_mask:8;
		unsigned int stencil_test_mask:8;
	} ds1;

	struct {
		unsigned int pad0:26;
		unsigned int depth_write_enable:1;
		unsigned int depth_test_func:3;
		unsigned int pad1:1;
		unsigned int depth_test_enable:1;
	} ds2;
};

typedef enum {
	SAMPLER_FILTER_NEAREST = 0,
	SAMPLER_FILTER_BILINEAR,
	FILTER_COUNT
} sampler_filter_t;

typedef enum {
	SAMPLER_EXTEND_NONE = 0,
	SAMPLER_EXTEND_REPEAT,
	SAMPLER_EXTEND_PAD,
	SAMPLER_EXTEND_REFLECT,
	EXTEND_COUNT
} sampler_extend_t;

typedef enum {
	WM_KERNEL = 0,
	WM_KERNEL_P,

	WM_KERNEL_MASK,
	WM_KERNEL_MASK_P,

	WM_KERNEL_MASKCA,
	WM_KERNEL_MASKCA_P,

	WM_KERNEL_MASKSA,
	WM_KERNEL_MASKSA_P,

	WM_KERNEL_OPACITY,
	WM_KERNEL_OPACITY_P,

	WM_KERNEL_VIDEO_PLANAR_BT601,
	WM_KERNEL_VIDEO_NV12_BT601,
	WM_KERNEL_VIDEO_PACKED_BT601,

	WM_KERNEL_VIDEO_PLANAR_BT709,
	WM_KERNEL_VIDEO_NV12_BT709,
	WM_KERNEL_VIDEO_PACKED_BT709,

	KERNEL_COUNT
} wm_kernel_t;

#endif
