Set some invarient state, cures some problems with

rotation at startup.

This mimicks the 3D drivers setup.

4 files changed, 1706 insertions, 0 deletions

diff --git a/src/i830_3d.c b/src/i830_3d.c
new file mode 100644
index 00000000..547e5564
--- /dev/null
+++ b/src/i830_3d.c
@@ -0,0 +1,131 @@
+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "i830.h"
+#include "i830_dri.h"
+
+#include "i830_reg.h"
+
+#define CMD_3D (0x3<<29)
+
+void I830EmitInvarientState( ScrnInfoPtr pScrn )
+{
+   I830Ptr pI830 = I830PTR(pScrn);
+
+   BEGIN_LP_RING(38);
+
+   OUT_RING(_3DSTATE_MAP_CUBE | MAP_UNIT(0));
+   OUT_RING(_3DSTATE_MAP_CUBE | MAP_UNIT(1));
+   OUT_RING(_3DSTATE_MAP_CUBE | MAP_UNIT(2));
+   OUT_RING(_3DSTATE_MAP_CUBE | MAP_UNIT(3));
+
+   OUT_RING(_3DSTATE_DFLT_DIFFUSE_CMD);
+   OUT_RING(0);
+
+   OUT_RING(_3DSTATE_DFLT_SPEC_CMD);
+   OUT_RING(0);
+
+   OUT_RING(_3DSTATE_DFLT_Z_CMD);
+   OUT_RING(0);
+
+   OUT_RING(_3DSTATE_FOG_MODE_CMD);
+   OUT_RING(FOGFUNC_ENABLE |
+	     FOG_LINEAR_CONST | 
+	     FOGSRC_INDEX_Z | 
+	     ENABLE_FOG_DENSITY);
+   OUT_RING(0);
+   OUT_RING(0);
+
+
+   OUT_RING(_3DSTATE_MAP_TEX_STREAM_CMD |
+	     MAP_UNIT(0) |
+	     DISABLE_TEX_STREAM_BUMP |
+	     ENABLE_TEX_STREAM_COORD_SET |
+	     TEX_STREAM_COORD_SET(0) |
+	     ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(0));
+   OUT_RING(_3DSTATE_MAP_TEX_STREAM_CMD |
+	     MAP_UNIT(1) |
+	     DISABLE_TEX_STREAM_BUMP |
+	     ENABLE_TEX_STREAM_COORD_SET |
+	     TEX_STREAM_COORD_SET(1) |
+	     ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(1));
+   OUT_RING(_3DSTATE_MAP_TEX_STREAM_CMD |
+	     MAP_UNIT(2) |
+	     DISABLE_TEX_STREAM_BUMP |
+	     ENABLE_TEX_STREAM_COORD_SET |
+	     TEX_STREAM_COORD_SET(2) |
+	     ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(2));
+   OUT_RING(_3DSTATE_MAP_TEX_STREAM_CMD |
+	     MAP_UNIT(3) |
+	     DISABLE_TEX_STREAM_BUMP |
+	     ENABLE_TEX_STREAM_COORD_SET |
+	     TEX_STREAM_COORD_SET(3) |
+	     ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(3));
+
+   OUT_RING(_3DSTATE_MAP_COORD_TRANSFORM);
+   OUT_RING(DISABLE_TEX_TRANSFORM | TEXTURE_SET(0));
+   OUT_RING(_3DSTATE_MAP_COORD_TRANSFORM);
+   OUT_RING(DISABLE_TEX_TRANSFORM | TEXTURE_SET(1));
+   OUT_RING(_3DSTATE_MAP_COORD_TRANSFORM);
+   OUT_RING(DISABLE_TEX_TRANSFORM | TEXTURE_SET(2));
+   OUT_RING(_3DSTATE_MAP_COORD_TRANSFORM);
+   OUT_RING(DISABLE_TEX_TRANSFORM | TEXTURE_SET(3));
+
+   OUT_RING(_3DSTATE_RASTER_RULES_CMD |
+	     ENABLE_POINT_RASTER_RULE |
+	     OGL_POINT_RASTER_RULE |
+	     ENABLE_LINE_STRIP_PROVOKE_VRTX |
+	     ENABLE_TRI_FAN_PROVOKE_VRTX |
+	     ENABLE_TRI_STRIP_PROVOKE_VRTX |
+	     LINE_STRIP_PROVOKE_VRTX(1) |
+	     TRI_FAN_PROVOKE_VRTX(2) | 
+	     TRI_STRIP_PROVOKE_VRTX(2));
+
+   OUT_RING(_3DSTATE_SCISSOR_ENABLE_CMD | 
+	     DISABLE_SCISSOR_RECT);
+
+   OUT_RING(_3DSTATE_SCISSOR_RECT_0_CMD);
+   OUT_RING(0);
+   OUT_RING(0);
+
+   OUT_RING(_3DSTATE_VERTEX_TRANSFORM);
+   OUT_RING(DISABLE_VIEWPORT_TRANSFORM | DISABLE_PERSPECTIVE_DIVIDE);
+
+   OUT_RING(_3DSTATE_W_STATE_CMD);
+   OUT_RING(MAGIC_W_STATE_DWORD1);
+   OUT_RING(0x3f800000 /* 1.0 in IEEE float */ );
+
+
+   OUT_RING(_3DSTATE_COLOR_FACTOR_CMD);
+   OUT_RING(0x80808080);	/* .5 required in alpha for GL_DOT3_RGBA_EXT */
+
+   ADVANCE_LP_RING();
+}
diff --git a/src/i830_reg.h b/src/i830_reg.h
new file mode 100644
index 00000000..be12e760
--- /dev/null
+++ b/src/i830_reg.h
@@ -0,0 +1,637 @@
+/**************************************************************************
+ * 
+ * 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_
+
+#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
+#define TEXCOORD_ADDR_V_MASK		0x70
+#define TEXCOORD_ADDR_U_MASK		0x7
+
+/* _3DSTATE_MAP_CUBE, p168 TODO */
+#define _3DSTATE_MAP_CUBE		(CMD_3D|(0x1c<<24)|(0x0a<<19))
+#define CUBE_NEGX_ENABLE                (1<<5)
+#define CUBE_POSX_ENABLE                (1<<4)
+#define CUBE_NEGY_ENABLE                (1<<3)
+#define CUBE_POSY_ENABLE                (1<<2)
+#define CUBE_NEGZ_ENABLE                (1<<1)
+#define CUBE_POSZ_ENABLE                (1<<0)
+
+
+/* _3DSTATE_MODES_1, p190 */
+#define _3DSTATE_MODES_1_CMD		(CMD_3D|(0x08<<24))
+#define BLENDFUNC_MASK			0x3f0000
+#define ENABLE_COLR_BLND_FUNC		(1<<21)
+#define BLENDFUNC_ADD			0
+#define BLENDFUNC_SUB			(1<<16)
+#define BLENDFUNC_RVRSE_SUB		(2<<16)
+#define BLENDFUNC_MIN			(3<<16)
+#define BLENDFUNC_MAX			(4<<16)
+#define SRC_DST_BLND_MASK		0xfff
+#define ENABLE_SRC_BLND_FACTOR		(1<<11)
+#define ENABLE_DST_BLND_FACTOR		(1<<5)
+#define SRC_BLND_FACT(x)		((x)<<6)
+#define DST_BLND_FACT(x)		(x)
+
+
+/* _3DSTATE_MODES_2, p192 */
+#define _3DSTATE_MODES_2_CMD		(CMD_3D|(0x0f<<24))
+#define ENABLE_GLOBAL_DEPTH_BIAS	(1<<22)
+#define GLOBAL_DEPTH_BIAS(x)		((x)<<14)
+#define ENABLE_ALPHA_TEST_FUNC		(1<<13)
+#define ENABLE_ALPHA_REF_VALUE		(1<<8)
+#define ALPHA_TEST_FUNC(x)		((x)<<9)
+#define ALPHA_REF_VALUE(x)		(x)
+
+#define ALPHA_TEST_REF_MASK		0x3fff
+
+/* _3DSTATE_MODES_3, p193 */
+#define _3DSTATE_MODES_3_CMD		(CMD_3D|(0x02<<24))
+#define DEPTH_TEST_FUNC_MASK		0x1f0000
+#define ENABLE_DEPTH_TEST_FUNC		(1<<20)
+/* Uses COMPAREFUNC */
+#define DEPTH_TEST_FUNC(x)		((x)<<16)
+#define ENABLE_ALPHA_SHADE_MODE 	(1<<11)
+#define ENABLE_FOG_SHADE_MODE		(1<<9)
+#define ENABLE_SPEC_SHADE_MODE		(1<<7)
+#define ENABLE_COLOR_SHADE_MODE 	(1<<5)
+#define ALPHA_SHADE_MODE(x)		((x)<<10)
+#define FOG_SHADE_MODE(x)		((x)<<8)
+#define SPEC_SHADE_MODE(x)		((x)<<6)
+#define COLOR_SHADE_MODE(x)		((x)<<4)
+#define CULLMODE_MASK			0xf
+#define ENABLE_CULL_MODE		(1<<3)
+#define CULLMODE_BOTH			0
+#define CULLMODE_NONE			1
+#define CULLMODE_CW			2
+#define CULLMODE_CCW			3
+
+#define SHADE_MODE_LINEAR		0
+#define SHADE_MODE_FLAT 		0x1
+
+/* _3DSTATE_MODES_4, p195 */
+#define _3DSTATE_MODES_4_CMD		(CMD_3D|(0x16<<24))
+#define ENABLE_LOGIC_OP_FUNC		(1<<23)
+#define LOGIC_OP_FUNC(x)		((x)<<18)
+#define LOGICOP_MASK			((1<<18)|(1<<19)|(1<<20)|(1<<21))
+#define LOGICOP_CLEAR			0
+#define LOGICOP_NOR			0x1
+#define LOGICOP_AND_INV 		0x2
+#define LOGICOP_COPY_INV		0x3
+#define LOGICOP_AND_RVRSE		0x4
+#define LOGICOP_INV			0x5
+#define LOGICOP_XOR			0x6
+#define LOGICOP_NAND			0x7
+#define LOGICOP_AND			0x8
+#define LOGICOP_EQUIV			0x9
+#define LOGICOP_NOOP			0xa
+#define LOGICOP_OR_INV			0xb
+#define LOGICOP_COPY			0xc
+#define LOGICOP_OR_RVRSE		0xd
+#define LOGICOP_OR			0xe
+#define LOGICOP_SET			0xf
+#define MODE4_ENABLE_STENCIL_TEST_MASK	((1<<17)|(0xff00))
+#define ENABLE_STENCIL_TEST_MASK	(1<<17)
+#define STENCIL_TEST_MASK(x)		((x)<<8)
+#define MODE4_ENABLE_STENCIL_WRITE_MASK	((1<<16)|(0x00ff))
+#define ENABLE_STENCIL_WRITE_MASK	(1<<16)
+#define STENCIL_WRITE_MASK(x)		((x)&0xff)
+
+/* _3DSTATE_MODES_5, p196 */
+#define _3DSTATE_MODES_5_CMD		(CMD_3D|(0x0c<<24))
+#define ENABLE_SPRITE_POINT_TEX 	(1<<23)
+#define SPRITE_POINT_TEX_ON		(1<<22)
+#define SPRITE_POINT_TEX_OFF		0
+#define FLUSH_RENDER_CACHE		(1<<18)
+#define FLUSH_TEXTURE_CACHE		(1<<16)
+#define FIXED_LINE_WIDTH_MASK		0xfc00
+#define ENABLE_FIXED_LINE_WIDTH 	(1<<15)
+#define FIXED_LINE_WIDTH(x)		((x)<<10)
+#define FIXED_POINT_WIDTH_MASK		0x3ff
+#define ENABLE_FIXED_POINT_WIDTH	(1<<9)
+#define FIXED_POINT_WIDTH(x)		(x)
+
+/* _3DSTATE_RASTERIZATION_RULES, p198 */
+#define _3DSTATE_RASTER_RULES_CMD	(CMD_3D|(0x07<<24))
+#define ENABLE_POINT_RASTER_RULE	(1<<15)
+#define OGL_POINT_RASTER_RULE		(1<<13)
+#define ENABLE_LINE_STRIP_PROVOKE_VRTX	(1<<8)
+#define ENABLE_TRI_FAN_PROVOKE_VRTX	(1<<5)
+#define ENABLE_TRI_STRIP_PROVOKE_VRTX	(1<<2)
+#define LINE_STRIP_PROVOKE_VRTX(x)	((x)<<6)
+#define TRI_FAN_PROVOKE_VRTX(x) 	((x)<<3)
+#define TRI_STRIP_PROVOKE_VRTX(x)	(x)
+
+/* _3DSTATE_SCISSOR_ENABLE, p200 */
+#define _3DSTATE_SCISSOR_ENABLE_CMD	(CMD_3D|(0x1c<<24)|(0x10<<19))
+#define ENABLE_SCISSOR_RECT		((1<<1) | 1)
+#define DISABLE_SCISSOR_RECT		(1<<1)
+
+/* _3DSTATE_SCISSOR_RECTANGLE_0, p201 */
+#define _3DSTATE_SCISSOR_RECT_0_CMD	(CMD_3D|(0x1d<<24)|(0x81<<16)|1)
+/* Dword 1 */
+#define SCISSOR_RECT_0_YMIN(x)		((x)<<16)
+#define SCISSOR_RECT_0_XMIN(x)		(x)
+/* Dword 2 */
+#define SCISSOR_RECT_0_YMAX(x)		((x)<<16)
+#define SCISSOR_RECT_0_XMAX(x)		(x)
+
+/* _3DSTATE_STENCIL_TEST, p202 */
+#define _3DSTATE_STENCIL_TEST_CMD	(CMD_3D|(0x09<<24))
+#define ENABLE_STENCIL_PARMS		(1<<23)
+#define STENCIL_OPS_MASK		(0xffc000)
+#define STENCIL_FAIL_OP(x)		((x)<<20)
+#define STENCIL_PASS_DEPTH_FAIL_OP(x)	((x)<<17)
+#define STENCIL_PASS_DEPTH_PASS_OP(x)	((x)<<14)
+
+#define ENABLE_STENCIL_TEST_FUNC_MASK	((1<<13)|(1<<12)|(1<<11)|(1<<10)|(1<<9))
+#define ENABLE_STENCIL_TEST_FUNC	(1<<13)
+/* Uses COMPAREFUNC */
+#define STENCIL_TEST_FUNC(x)		((x)<<9)
+#define STENCIL_REF_VALUE_MASK		((1<<8)|0xff)
+#define ENABLE_STENCIL_REF_VALUE	(1<<8)
+#define STENCIL_REF_VALUE(x)		(x)
+
+/* _3DSTATE_VERTEX_FORMAT, p204 */
+#define _3DSTATE_VFT0_CMD	(CMD_3D|(0x05<<24))
+#define VFT0_POINT_WIDTH	(1<<12)
+#define VFT0_TEX_COUNT_MASK    	(7<<8)
+#define VFT0_TEX_COUNT_SHIFT    8
+#define VFT0_TEX_COUNT(x) 	((x)<<8)
+#define VFT0_SPEC		(1<<7)
+#define VFT0_DIFFUSE		(1<<6)
+#define VFT0_DEPTH_OFFSET  	(1<<5)
+#define VFT0_XYZ		(1<<1)
+#define VFT0_XYZW		(2<<1)
+#define VFT0_XY			(3<<1)
+#define VFT0_XYW		(4<<1)
+#define VFT0_XYZW_MASK          (7<<1)
+
+/* _3DSTATE_VERTEX_FORMAT_2, p206 */
+#define _3DSTATE_VFT1_CMD	(CMD_3D|(0x0a<<24))
+#define VFT1_TEX7_FMT(x)	((x)<<14)
+#define VFT1_TEX6_FMT(x)	((x)<<12)
+#define VFT1_TEX5_FMT(x)	((x)<<10)
+#define VFT1_TEX4_FMT(x)	((x)<<8)
+#define VFT1_TEX3_FMT(x)	((x)<<6)
+#define VFT1_TEX2_FMT(x)	((x)<<4)
+#define VFT1_TEX1_FMT(x)	((x)<<2)
+#define VFT1_TEX0_FMT(x)	(x)
+#define VFT1_TEX0_MASK          3
+#define VFT1_TEX1_SHIFT         2
+#define TEXCOORDFMT_2D		0
+#define TEXCOORDFMT_3D		1
+#define TEXCOORDFMT_4D		2
+#define TEXCOORDFMT_1D		3
+
+/*New stuff picked up along the way */
+
+#define MLC_LOD_BIAS_MASK ((1<<7)-1)
+
+
+/* _3DSTATE_VERTEX_TRANSFORM, p207 */
+#define _3DSTATE_VERTEX_TRANS_CMD	(CMD_3D|(0x1d<<24)|(0x8b<<16)|0)
+#define _3DSTATE_VERTEX_TRANS_MTX_CMD	(CMD_3D|(0x1d<<24)|(0x8b<<16)|6)
+/* Dword 1 */
+#define ENABLE_VIEWPORT_TRANSFORM	((1<<31)|(1<<30))
+#define DISABLE_VIEWPORT_TRANSFORM	(1<<31)
+#define ENABLE_PERSP_DIVIDE		((1<<29)|(1<<28))
+#define DISABLE_PERSP_DIVIDE		(1<<29)
+#define VRTX_TRANS_LOAD_MATRICES	0x7421
+#define VRTX_TRANS_NO_LOAD_MATRICES	0x0000
+/* Dword 2 -> 7  are matrix elements */
+
+/* _3DSTATE_W_STATE, p209 */
+#define _3DSTATE_W_STATE_CMD		(CMD_3D|(0x1d<<24)|(0x8d<<16)|1)
+/* Dword 1 */
+#define MAGIC_W_STATE_DWORD1		0x00000008
+/* Dword 2 */
+#define WFAR_VALUE(x)			(x)
+
+
+/* Stipple command, carried over from the i810, apparently:
+ */
+#define _3DSTATE_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
+#define ST1_ENABLE               (1<<16)
+#define ST1_MASK                 (0xffff)
+
+
+
+#define _3DSTATE_LOAD_STATE_IMMEDIATE_2      ((0x3<<29)|(0x1d<<24)|(0x03<<16))
+#define LOAD_TEXTURE_MAP0                   (1<<11)
+#define LOAD_GLOBAL_COLOR_FACTOR            (1<<6)
+
+#define TM0S0_ADDRESS_MASK              0xfffffffc
+#define TM0S0_USE_FENCE                 (1<<1)
+
+#define TM0S1_HEIGHT_SHIFT              21
+#define TM0S1_WIDTH_SHIFT               10
+#define TM0S1_PALETTE_SELECT            (1<<9)
+#define TM0S1_MAPSURF_FORMAT_MASK       (0x7 << 6)
+#define TM0S1_MAPSURF_FORMAT_SHIFT      6
+#define    MAPSURF_8BIT_INDEXED		   (0<<6)
+#define    MAPSURF_8BIT		 	   (1<<6)
+#define    MAPSURF_16BIT		   (2<<6)
+#define    MAPSURF_32BIT		   (3<<6)
+#define    MAPSURF_411			   (4<<6)
+#define    MAPSURF_422			   (5<<6)
+#define    MAPSURF_COMPRESSED		   (6<<6)
+#define    MAPSURF_4BIT_INDEXED		   (7<<6)
+#define TM0S1_MT_FORMAT_MASK         (0x7 << 3)
+#define TM0S1_MT_FORMAT_SHIFT        3
+#define    MT_4BIT_IDX_ARGB8888	           (7<<3) /* SURFACE_4BIT_INDEXED */
+#define    MT_8BIT_IDX_RGB565	           (0<<3) /* SURFACE_8BIT_INDEXED */
+#define    MT_8BIT_IDX_ARGB1555	           (1<<3)
+#define    MT_8BIT_IDX_ARGB4444	           (2<<3)
+#define    MT_8BIT_IDX_AY88		   (3<<3)
+#define    MT_8BIT_IDX_ABGR8888	           (4<<3)
+#define    MT_8BIT_IDX_BUMP_88DVDU 	   (5<<3)
+#define    MT_8BIT_IDX_BUMP_655LDVDU	   (6<<3)
+#define    MT_8BIT_IDX_ARGB8888	           (7<<3)
+#define    MT_8BIT_I8		           (0<<3) /* SURFACE_8BIT */
+#define    MT_8BIT_L8		           (1<<3)
+#define    MT_16BIT_RGB565 		   (0<<3) /* SURFACE_16BIT */
+#define    MT_16BIT_ARGB1555		   (1<<3)
+#define    MT_16BIT_ARGB4444		   (2<<3)
+#define    MT_16BIT_AY88		   (3<<3)
+#define    MT_16BIT_DIB_ARGB1555_8888      (4<<3)
+#define    MT_16BIT_BUMP_88DVDU	           (5<<3)
+#define    MT_16BIT_BUMP_655LDVDU	   (6<<3)
+#define    MT_16BIT_DIB_RGB565_8888	   (7<<3)
+#define    MT_32BIT_ARGB8888		   (0<<3) /* SURFACE_32BIT */
+#define    MT_32BIT_ABGR8888		   (1<<3)
+#define    MT_32BIT_BUMP_XLDVDU_8888	   (6<<3)
+#define    MT_32BIT_DIB_8888		   (7<<3)
+#define    MT_411_YUV411		   (0<<3) /* SURFACE_411 */
+#define    MT_422_YCRCB_SWAPY	           (0<<3) /* SURFACE_422 */
+#define    MT_422_YCRCB_NORMAL	           (1<<3)
+#define    MT_422_YCRCB_SWAPUV	           (2<<3)
+#define    MT_422_YCRCB_SWAPUVY	           (3<<3)
+#define    MT_COMPRESS_DXT1		   (0<<3) /* SURFACE_COMPRESSED */
+#define    MT_COMPRESS_DXT2_3	           (1<<3)
+#define    MT_COMPRESS_DXT4_5	           (2<<3)
+#define    MT_COMPRESS_FXT1		   (3<<3)
+#define TM0S1_COLORSPACE_CONVERSION     (1 << 2)
+#define TM0S1_TILED_SURFACE             (1 << 1)
+#define TM0S1_TILE_WALK                 (1 << 0)
+
+#define TM0S2_PITCH_SHIFT               21
+#define TM0S2_CUBE_FACE_ENA_SHIFT       15
+#define TM0S2_CUBE_FACE_ENA_MASK        (1<<15)
+#define TM0S2_MAP_FORMAT                (1<<14)
+#define TM0S2_VERTICAL_LINE_STRIDE      (1<<13)
+#define TM0S2_VERITCAL_LINE_STRIDE_OFF  (1<<12)
+#define TM0S2_OUTPUT_CHAN_SHIFT         10
+#define TM0S2_OUTPUT_CHAN_MASK          (3<<10)
+
+#define TM0S3_MIP_FILTER_MASK           (0x3<<30)
+#define TM0S3_MIP_FILTER_SHIFT          30
+#define MIPFILTER_NONE		0
+#define MIPFILTER_NEAREST	1
+#define MIPFILTER_LINEAR	3
+#define TM0S3_MAG_FILTER_MASK           (0x3<<28)
+#define TM0S3_MAG_FILTER_SHIFT          28
+#define TM0S3_MIN_FILTER_MASK           (0x3<<26)
+#define TM0S3_MIN_FILTER_SHIFT          26
+#define FILTER_NEAREST		0
+#define FILTER_LINEAR		1
+#define FILTER_ANISOTROPIC	2
+
+#define TM0S3_LOD_BIAS_SHIFT		17
+#define TM0S3_LOD_BIAS_MASK		(0x1ff<<17)
+#define TM0S3_MAX_MIP_SHIFT		9
+#define TM0S3_MAX_MIP_MASK		(0xff<<9)
+#define TM0S3_MIN_MIP_SHIFT		3
+#define TM0S3_MIN_MIP_MASK		(0x3f<<3)
+#define TM0S3_KILL_PIXEL		(1<<2)
+#define TM0S3_KEYED_FILTER		(1<<1)
+#define TM0S3_CHROMA_KEY		(1<<0)
+
+
+/* _3DSTATE_MAP_TEXEL_STREAM, p188 */
+#define _3DSTATE_MAP_TEX_STREAM_CMD	(CMD_3D|(0x1c<<24)|(0x05<<19))
+#define DISABLE_TEX_STREAM_BUMP 	(1<<12)
+#define ENABLE_TEX_STREAM_BUMP		((1<<12)|(1<<11))
+#define TEX_MODIFY_UNIT_0		0
+#define TEX_MODIFY_UNIT_1		(1<<8)
+#define ENABLE_TEX_STREAM_COORD_SET	(1<<7)
+#define TEX_STREAM_COORD_SET(x) 	((x)<<4)
+#define ENABLE_TEX_STREAM_MAP_IDX	(1<<3)
+#define TEX_STREAM_MAP_IDX(x)		(x)
+
+
+#define FLUSH_MAP_CACHE    (1<<0)
+
+#endif
diff --git a/src/i915_3d.c b/src/i915_3d.c
new file mode 100644
index 00000000..f6e72196
--- /dev/null
+++ b/src/i915_3d.c
@@ -0,0 +1,107 @@
+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "i830.h"
+#include "i830_dri.h"
+
+#include "i915_reg.h"
+
+void I915EmitInvarientState( ScrnInfoPtr pScrn )
+{
+   I830Ptr pI830 = I830PTR(pScrn);
+
+   BEGIN_LP_RING(20);
+
+   OUT_RING(_3DSTATE_AA_CMD |
+	     AA_LINE_ECAAR_WIDTH_ENABLE |
+	     AA_LINE_ECAAR_WIDTH_1_0 |
+	     AA_LINE_REGION_WIDTH_ENABLE |
+	     AA_LINE_REGION_WIDTH_1_0);
+
+   OUT_RING(_3DSTATE_DFLT_DIFFUSE_CMD);
+   OUT_RING(0);
+
+   OUT_RING(_3DSTATE_DFLT_SPEC_CMD);
+   OUT_RING(0);
+
+   OUT_RING(_3DSTATE_DFLT_Z_CMD);
+   OUT_RING(0);
+
+   /* Don't support texture crossbar yet */
+   OUT_RING(_3DSTATE_COORD_SET_BINDINGS |
+	     CSB_TCB(0, 0) |
+	     CSB_TCB(1, 1) |
+	     CSB_TCB(2, 2) |
+	     CSB_TCB(3, 3) |
+	     CSB_TCB(4, 4) |
+	     CSB_TCB(5, 5) |
+	     CSB_TCB(6, 6) |
+	     CSB_TCB(7, 7));
+
+   OUT_RING(_3DSTATE_RASTER_RULES_CMD |
+	     ENABLE_POINT_RASTER_RULE |
+	     OGL_POINT_RASTER_RULE |
+	     ENABLE_LINE_STRIP_PROVOKE_VRTX |
+	     ENABLE_TRI_FAN_PROVOKE_VRTX |
+	     LINE_STRIP_PROVOKE_VRTX(1) |
+	     TRI_FAN_PROVOKE_VRTX(2) | 
+	     ENABLE_TEXKILL_3D_4D |
+	     TEXKILL_4D);
+
+   /* Need to initialize this to zero.
+    */
+   OUT_RING(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | 
+	     I1_LOAD_S(3) |
+	     (1));
+   OUT_RING(0);
+ 
+   /* XXX: Use this */
+   OUT_RING(_3DSTATE_SCISSOR_ENABLE_CMD | 
+	     DISABLE_SCISSOR_RECT);
+
+   OUT_RING(_3DSTATE_SCISSOR_RECT_0_CMD);
+   OUT_RING(0);
+   OUT_RING(0);
+
+   OUT_RING(_3DSTATE_DEPTH_SUBRECT_DISABLE);
+
+   OUT_RING(_3DSTATE_LOAD_INDIRECT | 0); /* disable indirect state */
+   OUT_RING(0);
+
+   /* Don't support twosided stencil yet */
+   OUT_RING(_3DSTATE_BACKFACE_STENCIL_OPS |
+	     BFO_ENABLE_STENCIL_TWO_SIDE |
+	     0 );
+
+   OUT_RING(0);
+   
+   ADVANCE_LP_RING();
+}
diff --git a/src/i915_reg.h b/src/i915_reg.h
new file mode 100644
index 00000000..886ae815
--- /dev/null
+++ b/src/i915_reg.h
@@ -0,0 +1,831 @@
+/**************************************************************************
+ * 
+ * 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 _I915_REG_H_
+#define _I915_REG_H_
+
+#define I915_SET_FIELD( var, mask, value ) (var &= ~(mask), var |= value)
+
+#define CMD_3D (0x3<<29)
+
+#define PRIM3D_INLINE		(CMD_3D | (0x1f<<24))
+#define PRIM3D_TRILIST		(0x0<<18)
+#define PRIM3D_TRISTRIP 	(0x1<<18)
+#define PRIM3D_TRISTRIP_RVRSE	(0x2<<18)
+#define PRIM3D_TRIFAN		(0x3<<18)
+#define PRIM3D_POLY		(0x4<<18)
+#define PRIM3D_LINELIST 	(0x5<<18)
+#define PRIM3D_LINESTRIP	(0x6<<18)
+#define PRIM3D_RECTLIST 	(0x7<<18)
+#define PRIM3D_POINTLIST	(0x8<<18)
+#define PRIM3D_DIB		(0x9<<18)
+#define PRIM3D_CLEAR_RECT	(0xa<<18)
+#define PRIM3D_ZONE_INIT	(0xd<<18)
+#define PRIM3D_MASK		(0x1f<<18)
+
+/* p137 */
+#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)
+
+/* 3DSTATE_BACKFACE_STENCIL_OPS, p138*/
+#define _3DSTATE_BACKFACE_STENCIL_OPS    (CMD_3D | (0x8<<24))
+#define BFO_ENABLE_STENCIL_REF          (1<<23)
+#define BFO_STENCIL_REF_SHIFT           15
+#define BFO_STENCIL_REF_MASK            (0xff<<15)
+#define BFO_ENABLE_STENCIL_FUNCS        (1<<14)
+#define BFO_STENCIL_TEST_SHIFT          11
+#define BFO_STENCIL_TEST_MASK           (0x7<<11)
+#define BFO_STENCIL_FAIL_SHIFT          8
+#define BFO_STENCIL_FAIL_MASK           (0x7<<8)
+#define BFO_STENCIL_PASS_Z_FAIL_SHIFT   5
+#define BFO_STENCIL_PASS_Z_FAIL_MASK    (0x7<<5)
+#define BFO_STENCIL_PASS_Z_PASS_SHIFT   2
+#define BFO_STENCIL_PASS_Z_PASS_MASK    (0x7<<2)
+#define BFO_ENABLE_STENCIL_TWO_SIDE     (1<<1)
+#define BFO_STENCIL_TWO_SIDE            (1<<0)
+
+
+/* 3DSTATE_BACKFACE_STENCIL_MASKS, p140 */
+#define _3DSTATE_BACKFACE_STENCIL_MASKS    (CMD_3D | (0x9<<24))
+#define BFM_ENABLE_STENCIL_TEST_MASK      (1<<17)
+#define BFM_ENABLE_STENCIL_WRITE_MASK     (1<<16)
+#define BFM_STENCIL_TEST_MASK_SHIFT       8
+#define BFM_STENCIL_TEST_MASK_MASK        (0xff<<8)
+#define BFM_STENCIL_WRITE_MASK_SHIFT      0
+#define BFM_STENCIL_WRITE_MASK_MASK       (0xff<<0)
+
+
+
+/* 3DSTATE_BIN_CONTROL p141 */
+
+/* p143 */
+#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)
+
+
+/* 3DSTATE_CHROMA_KEY */
+
+/* 3DSTATE_CLEAR_PARAMETERS, p150 */
+
+/* 3DSTATE_CONSTANT_BLEND_COLOR, p153 */
+#define _3DSTATE_CONST_BLEND_COLOR_CMD	(CMD_3D | (0x1d<<24) | (0x88<<16))
+
+
+
+/* 3DSTATE_COORD_SET_BINDINGS, p154 */
+#define _3DSTATE_COORD_SET_BINDINGS      (CMD_3D | (0x16<<24))
+#define CSB_TCB(iunit, eunit)           ((eunit)<<(iunit*3))
+
+/* p156 */
+#define _3DSTATE_DFLT_DIFFUSE_CMD	(CMD_3D | (0x1d<<24) | (0x99<<16))
+
+/* p157 */
+#define _3DSTATE_DFLT_SPEC_CMD		(CMD_3D | (0x1d<<24) | (0x9a<<16))
+
+/* p158 */
+#define _3DSTATE_DFLT_Z_CMD		(CMD_3D | (0x1d<<24) | (0x98<<16))
+
+
+/* 3DSTATE_DEPTH_OFFSET_SCALE, p159 */
+#define _3DSTATE_DEPTH_OFFSET_SCALE       (CMD_3D | (0x1d<<24) | (0x97<<16))
+/* scale in dword 1 */
+
+
+/* 3DSTATE_DEPTH_SUBRECT_DISABLE, p160 */
+#define _3DSTATE_DEPTH_SUBRECT_DISABLE    (CMD_3D | (0x1c<<24) | (0x11<19) | 0x2)
+
+/* p161 */
+#define _3DSTATE_DST_BUF_VARS_CMD	(CMD_3D | (0x1d<<24) | (0x85<<16))
+/* Dword 1 */
+#define TEX_DEFAULT_COLOR_OGL           (0<<30)
+#define TEX_DEFAULT_COLOR_D3D           (1<<30)
+#define ZR_EARLY_DEPTH                  (1<<29)
+#define LOD_PRECLAMP_OGL                (1<<28)
+#define LOD_PRECLAMP_D3D                (0<<28)
+#define DITHER_FULL_ALWAYS              (0<<26)
+#define DITHER_FULL_ON_FB_BLEND         (1<<26)
+#define DITHER_CLAMPED_ALWAYS           (2<<26)
+#define LINEAR_GAMMA_BLEND_32BPP        (1<<25)
+#define DEBUG_DISABLE_ENH_DITHER        (1<<24)
+#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_FRMT_16_FIXED		0
+#define DEPTH_FRMT_16_FLOAT		(1<<2)
+#define DEPTH_FRMT_24_FIXED_8_OTHER	(2<<2)
+#define VERT_LINE_STRIDE_1		(1<<1)
+#define VERT_LINE_STRIDE_0		(0<<1)
+#define VERT_LINE_STRIDE_OFS_1		1
+#define VERT_LINE_STRIDE_OFS_0		0
+
+/* p166 */
+#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)
+
+
+/* 3DSTATE_FILTER_COEFFICIENTS_4X4, p170 */
+
+/* 3DSTATE_FILTER_COEFFICIENTS_6X5, p172 */
+
+
+/* _3DSTATE_FOG_COLOR, p173 */
+#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, p174 */
+#define _3DSTATE_FOG_MODE_CMD		(CMD_3D|(0x1d<<24)|(0x89<<16)|2)
+/* Dword 1 */
+#define FMC1_FOGFUNC_MODIFY_ENABLE	(1<<31)
+#define FMC1_FOGFUNC_VERTEX		(0<<28)
+#define FMC1_FOGFUNC_PIXEL_EXP		(1<<28)
+#define FMC1_FOGFUNC_PIXEL_EXP2		(2<<28)
+#define FMC1_FOGFUNC_PIXEL_LINEAR	(3<<28)
+#define FMC1_FOGFUNC_MASK		(3<<28)
+#define FMC1_FOGINDEX_MODIFY_ENABLE     (1<<27)
+#define FMC1_FOGINDEX_Z		        (0<<25)
+#define FMC1_FOGINDEX_W   		(1<<25)
+#define FMC1_C1_C2_MODIFY_ENABLE	(1<<24)
+#define FMC1_DENSITY_MODIFY_ENABLE	(1<<23)
+#define FMC1_C1_ONE      	        (1<<13)
+#define FMC1_C1_MASK		        (0xffff<<4)
+/* Dword 2 */
+#define FMC2_C2_ONE		        (1<<16)
+/* Dword 3 */
+#define FMC3_D_ONE      		(1<<16)
+
+
+
+/* _3DSTATE_INDEPENDENT_ALPHA_BLEND, p177 */
+#define _3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD	(CMD_3D|(0x0b<<24))
+#define IAB_MODIFY_ENABLE	        (1<<23)
+#define IAB_ENABLE       	        (1<<22)
+#define IAB_MODIFY_FUNC         	(1<<21)
+#define IAB_FUNC_SHIFT          	16
+#define IAB_MODIFY_SRC_FACTOR   	(1<<11)
+#define IAB_SRC_FACTOR_SHIFT		6
+#define IAB_SRC_FACTOR_MASK		(BLENDFACT_MASK<<6)
+#define IAB_MODIFY_DST_FACTOR	        (1<<5)
+#define IAB_DST_FACTOR_SHIFT		0
+#define IAB_DST_FACTOR_MASK		(BLENDFACT_MASK<<0)
+
+
+#define BLENDFUNC_ADD			0x0
+#define BLENDFUNC_SUBTRACT		0x1
+#define BLENDFUNC_REVERSE_SUBTRACT	0x2
+#define BLENDFUNC_MIN			0x3
+#define BLENDFUNC_MAX			0x4
+#define BLENDFUNC_MASK			0x7
+
+/* 3DSTATE_LOAD_INDIRECT, p180 */
+
+#define _3DSTATE_LOAD_INDIRECT	        (CMD_3D|(0x1d<<24)|(0x7<<16))
+#define LI0_STATE_STATIC_INDIRECT       (0x01<<8)
+#define LI0_STATE_DYNAMIC_INDIRECT      (0x02<<8)
+#define LI0_STATE_SAMPLER               (0x04<<8)
+#define LI0_STATE_MAP                   (0x08<<8)
+#define LI0_STATE_PROGRAM               (0x10<<8)
+#define LI0_STATE_CONSTANTS             (0x20<<8)
+
+#define SIS0_BUFFER_ADDRESS(x)          ((x)&~0x3)
+#define SIS0_FORCE_LOAD                 (1<<1)
+#define SIS0_BUFFER_VALID               (1<<0)
+#define SIS1_BUFFER_LENGTH(x)           ((x)&0xff)
+
+#define DIS0_BUFFER_ADDRESS(x)          ((x)&~0x3)
+#define DIS0_BUFFER_RESET               (1<<1)
+#define DIS0_BUFFER_VALID               (1<<0)
+
+#define SSB0_BUFFER_ADDRESS(x)          ((x)&~0x3)
+#define SSB0_FORCE_LOAD                 (1<<1)
+#define SSB0_BUFFER_VALID               (1<<0)
+#define SSB1_BUFFER_LENGTH(x)           ((x)&0xff)
+
+#define MSB0_BUFFER_ADDRESS(x)          ((x)&~0x3)
+#define MSB0_FORCE_LOAD                 (1<<1)
+#define MSB0_BUFFER_VALID               (1<<0)
+#define MSB1_BUFFER_LENGTH(x)           ((x)&0xff)
+
+#define PSP0_BUFFER_ADDRESS(x)          ((x)&~0x3)
+#define PSP0_FORCE_LOAD                 (1<<1)
+#define PSP0_BUFFER_VALID               (1<<0)
+#define PSP1_BUFFER_LENGTH(x)           ((x)&0xff)
+
+#define PSC0_BUFFER_ADDRESS(x)          ((x)&~0x3)
+#define PSC0_FORCE_LOAD                 (1<<1)
+#define PSC0_BUFFER_VALID               (1<<0)
+#define PSC1_BUFFER_LENGTH(x)           ((x)&0xff)
+
+
+
+
+
+/* _3DSTATE_RASTERIZATION_RULES */
+#define _3DSTATE_RASTER_RULES_CMD	(CMD_3D|(0x07<<24))
+#define ENABLE_POINT_RASTER_RULE	(1<<15)
+#define OGL_POINT_RASTER_RULE		(1<<13)
+#define ENABLE_TEXKILL_3D_4D            (1<<10)
+#define TEXKILL_3D                      (0<<9)
+#define TEXKILL_4D                      (1<<9)
+#define ENABLE_LINE_STRIP_PROVOKE_VRTX	(1<<8)
+#define ENABLE_TRI_FAN_PROVOKE_VRTX	(1<<5)
+#define LINE_STRIP_PROVOKE_VRTX(x)	((x)<<6)
+#define TRI_FAN_PROVOKE_VRTX(x) 	((x)<<3)
+
+/* _3DSTATE_SCISSOR_ENABLE, p256 */
+#define _3DSTATE_SCISSOR_ENABLE_CMD	(CMD_3D|(0x1c<<24)|(0x10<<19))
+#define ENABLE_SCISSOR_RECT		((1<<1) | 1)
+#define DISABLE_SCISSOR_RECT		(1<<1)
+
+/* _3DSTATE_SCISSOR_RECTANGLE_0, p257 */
+#define _3DSTATE_SCISSOR_RECT_0_CMD	(CMD_3D|(0x1d<<24)|(0x81<<16)|1)
+/* Dword 1 */
+#define SCISSOR_RECT_0_YMIN(x)		((x)<<16)
+#define SCISSOR_RECT_0_XMIN(x)		(x)
+/* Dword 2 */
+#define SCISSOR_RECT_0_YMAX(x)		((x)<<16)
+#define SCISSOR_RECT_0_XMAX(x)		(x)
+
+/* p189 */
+#define _3DSTATE_LOAD_STATE_IMMEDIATE_1   ((0x3<<29)|(0x1d<<24)|(0x04<<16))
+#define I1_LOAD_S(n)                      (1<<(4+n))
+
+#define S0_VB_OFFSET_MASK              0xffffffc
+#define S0_AUTO_CACHE_INV_DISABLE      (1<<0)
+
+#define S1_VERTEX_WIDTH_SHIFT          24
+#define S1_VERTEX_WIDTH_MASK           (0x3f<<24)
+#define S1_VERTEX_PITCH_SHIFT          16
+#define S1_VERTEX_PITCH_MASK           (0x3f<<16)
+
+#define TEXCOORDFMT_2D                 0x0
+#define TEXCOORDFMT_3D                 0x1
+#define TEXCOORDFMT_4D                 0x2
+#define TEXCOORDFMT_1D                 0x3
+#define TEXCOORDFMT_2D_16              0x4
+#define TEXCOORDFMT_4D_16              0x5
+#define TEXCOORDFMT_NOT_PRESENT        0xf
+#define S2_TEXCOORD_FMT0_MASK            0xf
+#define S2_TEXCOORD_FMT1_SHIFT           4
+#define S2_TEXCOORD_FMT(unit, type)    ((type)<<(unit*4))
+#define S2_TEXCOORD_NONE               (~0)
+
+/* S3 not interesting */
+
+#define S4_POINT_WIDTH_SHIFT           23
+#define S4_POINT_WIDTH_MASK            (0x1ff<<23)
+#define S4_LINE_WIDTH_SHIFT            19
+#define S4_LINE_WIDTH_ONE              (0x2<<19)
+#define S4_LINE_WIDTH_MASK             (0xf<<19)
+#define S4_FLATSHADE_ALPHA             (1<<18)
+#define S4_FLATSHADE_FOG               (1<<17)
+#define S4_FLATSHADE_SPECULAR          (1<<16)
+#define S4_FLATSHADE_COLOR             (1<<15)
+#define S4_CULLMODE_BOTH	       (0<<13)
+#define S4_CULLMODE_NONE	       (1<<13)
+#define S4_CULLMODE_CW		       (2<<13)
+#define S4_CULLMODE_CCW		       (3<<13)
+#define S4_CULLMODE_MASK	       (3<<13)
+#define S4_VFMT_POINT_WIDTH            (1<<12)
+#define S4_VFMT_SPEC_FOG               (1<<11)
+#define S4_VFMT_COLOR                  (1<<10)
+#define S4_VFMT_DEPTH_OFFSET           (1<<9)
+#define S4_VFMT_XYZ     	       (1<<6)
+#define S4_VFMT_XYZW     	       (2<<6)
+#define S4_VFMT_XY     		       (3<<6)
+#define S4_VFMT_XYW     	       (4<<6)
+#define S4_VFMT_XYZW_MASK              (7<<6)
+#define S4_FORCE_DEFAULT_DIFFUSE       (1<<5)
+#define S4_FORCE_DEFAULT_SPECULAR      (1<<4)
+#define S4_LOCAL_DEPTH_OFFSET_ENABLE   (1<<3)
+#define S4_VFMT_FOG_PARAM              (1<<2)
+#define S4_SPRITE_POINT_ENABLE         (1<<1)
+#define S4_LINE_ANTIALIAS_ENABLE       (1<<0)
+
+#define S4_VFMT_MASK (S4_VFMT_POINT_WIDTH   | 	\
+		      S4_VFMT_SPEC_FOG      |	\
+		      S4_VFMT_COLOR         |	\
+		      S4_VFMT_DEPTH_OFFSET  |	\
+		      S4_VFMT_XYZW_MASK     |	\
+		      S4_VFMT_FOG_PARAM)
+
+
+#define S5_WRITEDISABLE_ALPHA          (1<<31)
+#define S5_WRITEDISABLE_RED            (1<<30)
+#define S5_WRITEDISABLE_GREEN          (1<<29)
+#define S5_WRITEDISABLE_BLUE           (1<<28)
+#define S5_WRITEDISABLE_MASK           (0xf<<28)
+#define S5_FORCE_DEFAULT_POINT_SIZE    (1<<27)
+#define S5_LAST_PIXEL_ENABLE           (1<<26)
+#define S5_GLOBAL_DEPTH_OFFSET_ENABLE  (1<<25)
+#define S5_FOG_ENABLE                  (1<<24)
+#define S5_STENCIL_REF_SHIFT           16
+#define S5_STENCIL_REF_MASK            (0xff<<16)
+#define S5_STENCIL_TEST_FUNC_SHIFT     13
+#define S5_STENCIL_TEST_FUNC_MASK      (0x7<<13)
+#define S5_STENCIL_FAIL_SHIFT          10
+#define S5_STENCIL_FAIL_MASK           (0x7<<10)
+#define S5_STENCIL_PASS_Z_FAIL_SHIFT   7
+#define S5_STENCIL_PASS_Z_FAIL_MASK    (0x7<<7)
+#define S5_STENCIL_PASS_Z_PASS_SHIFT   4
+#define S5_STENCIL_PASS_Z_PASS_MASK    (0x7<<4)
+#define S5_STENCIL_WRITE_ENABLE        (1<<3)
+#define S5_STENCIL_TEST_ENABLE         (1<<2)
+#define S5_COLOR_DITHER_ENABLE         (1<<1)
+#define S5_LOGICOP_ENABLE              (1<<0)
+
+
+#define S6_ALPHA_TEST_ENABLE           (1<<31)
+#define S6_ALPHA_TEST_FUNC_SHIFT       28
+#define S6_ALPHA_TEST_FUNC_MASK        (0x7<<28)
+#define S6_ALPHA_REF_SHIFT             20
+#define S6_ALPHA_REF_MASK              (0xff<<20)
+#define S6_DEPTH_TEST_ENABLE           (1<<19)
+#define S6_DEPTH_TEST_FUNC_SHIFT       16
+#define S6_DEPTH_TEST_FUNC_MASK        (0x7<<16)
+#define S6_CBUF_BLEND_ENABLE           (1<<15)
+#define S6_CBUF_BLEND_FUNC_SHIFT       12
+#define S6_CBUF_BLEND_FUNC_MASK        (0x7<<12)
+#define S6_CBUF_SRC_BLEND_FACT_SHIFT   8
+#define S6_CBUF_SRC_BLEND_FACT_MASK    (0xf<<8)
+#define S6_CBUF_DST_BLEND_FACT_SHIFT   4
+#define S6_CBUF_DST_BLEND_FACT_MASK    (0xf<<4)
+#define S6_DEPTH_WRITE_ENABLE          (1<<3)
+#define S6_COLOR_WRITE_ENABLE          (1<<2)
+#define S6_TRISTRIP_PV_SHIFT           0
+#define S6_TRISTRIP_PV_MASK            (0x3<<0)
+
+#define S7_DEPTH_OFFSET_CONST_MASK     ~0
+
+/* 3DSTATE_MAP_DEINTERLACER_PARAMETERS */
+/* 3DSTATE_MAP_PALETTE_LOAD_32, p206 */
+
+
+/* _3DSTATE_MODES_4, p218 */
+#define _3DSTATE_MODES_4_CMD		(CMD_3D|(0x0d<<24))
+#define ENABLE_LOGIC_OP_FUNC		(1<<23)
+#define LOGIC_OP_FUNC(x)		((x)<<18)
+#define LOGICOP_MASK			(0xf<<18)
+#define MODE4_ENABLE_STENCIL_TEST_MASK	((1<<17)|(0xff00))
+#define ENABLE_STENCIL_TEST_MASK	(1<<17)
+#define STENCIL_TEST_MASK(x)		((x)<<8)
+#define MODE4_ENABLE_STENCIL_WRITE_MASK	((1<<16)|(0x00ff))
+#define ENABLE_STENCIL_WRITE_MASK	(1<<16)
+#define STENCIL_WRITE_MASK(x)		((x)&0xff)
+
+/* _3DSTATE_MODES_5, p220 */
+#define _3DSTATE_MODES_5_CMD		(CMD_3D|(0x0c<<24))
+#define PIPELINE_FLUSH_RENDER_CACHE	(1<<18)
+#define PIPELINE_FLUSH_TEXTURE_CACHE	(1<<16)
+
+
+/* p221 */
+#define _3DSTATE_PIXEL_SHADER_CONSTANTS  (CMD_3D|(0x1d<<24)|(0x6<<16))
+#define PS1_REG(n)                      (1<<(n))
+#define PS2_CONST_X(n)                  (n)
+#define PS3_CONST_Y(n)                  (n)
+#define PS4_CONST_Z(n)                  (n)
+#define PS5_CONST_W(n)                  (n)
+
+/* p222 */
+
+
+#define I915_MAX_TEX_INDIRECT 4
+#define I915_MAX_TEX_INSN     32     
+#define I915_MAX_ALU_INSN     64
+#define I915_MAX_DECL_INSN    27
+#define I915_MAX_TEMPORARY    16
+
+
+/* Each instruction is 3 dwords long, though most don't require all
+ * this space.  Maximum of 123 instructions.  Smaller maxes per insn
+ * type.
+ */
+#define _3DSTATE_PIXEL_SHADER_PROGRAM    (CMD_3D|(0x1d<<24)|(0x5<<16))
+
+#define REG_TYPE_R                 0 /* temporary regs, no need to
+				      * dcl, must be written before
+				      * read -- Preserved between
+				      * phases. 
+				      */
+#define REG_TYPE_T                 1 /* Interpolated values, must be
+				      * dcl'ed before use.
+				      *
+				      * 0..7: texture coord,
+				      * 8: diffuse spec,
+				      * 9: specular color,
+				      * 10: fog parameter in w.
+				      */
+#define REG_TYPE_CONST             2 /* Restriction: only one const
+				      * can be referenced per
+				      * instruction, though it may be
+				      * selected for multiple inputs.
+				      * Constants not initialized
+				      * default to zero.
+				      */
+#define REG_TYPE_S                 3 /* sampler */
+#define REG_TYPE_OC                4 /* output color (rgba) */
+#define REG_TYPE_OD                5 /* output depth (w), xyz are
+				      * temporaries.  If not written,
+				      * interpolated depth is used?
+				      */
+#define REG_TYPE_U                 6 /* unpreserved temporaries */
+#define REG_TYPE_MASK              0x7
+#define REG_NR_MASK                0xf
+
+
+/* REG_TYPE_T:
+ */
+#define T_TEX0     0
+#define T_TEX1     1
+#define T_TEX2     2
+#define T_TEX3     3
+#define T_TEX4     4
+#define T_TEX5     5
+#define T_TEX6     6
+#define T_TEX7     7
+#define T_DIFFUSE  8
+#define T_SPECULAR 9
+#define T_FOG_W    10		/* interpolated fog is in W coord */
+
+/* Arithmetic instructions */
+
+/* .replicate_swizzle == selection and replication of a particular
+ * scalar channel, ie., .xxxx, .yyyy, .zzzz or .wwww 
+ */
+#define A0_NOP    (0x0<<24)		/* no operation */
+#define A0_ADD    (0x1<<24)		/* dst = src0 + src1 */
+#define A0_MOV    (0x2<<24)		/* dst = src0 */
+#define A0_MUL    (0x3<<24)		/* dst = src0 * src1 */
+#define A0_MAD    (0x4<<24)		/* dst = src0 * src1 + src2 */
+#define A0_DP2ADD (0x5<<24)		/* dst.xyzw = src0.xy dot src1.xy + src2.replicate_swizzle */
+#define A0_DP3    (0x6<<24)		/* dst.xyzw = src0.xyz dot src1.xyz */
+#define A0_DP4    (0x7<<24)		/* dst.xyzw = src0.xyzw dot src1.xyzw */
+#define A0_FRC    (0x8<<24)		/* dst = src0 - floor(src0) */
+#define A0_RCP    (0x9<<24)		/* dst.xyzw = 1/(src0.replicate_swizzle) */
+#define A0_RSQ    (0xa<<24)		/* dst.xyzw = 1/(sqrt(abs(src0.replicate_swizzle))) */
+#define A0_EXP    (0xb<<24)		/* dst.xyzw = exp2(src0.replicate_swizzle) */
+#define A0_LOG    (0xc<<24)		/* dst.xyzw = log2(abs(src0.replicate_swizzle)) */
+#define A0_CMP    (0xd<<24)		/* dst = (src0 >= 0.0) ? src1 : src2 */
+#define A0_MIN    (0xe<<24)		/* dst = (src0 < src1) ? src0 : src1 */
+#define A0_MAX    (0xf<<24)		/* dst = (src0 >= src1) ? src0 : src1 */
+#define A0_FLR    (0x10<<24)		/* dst = floor(src0) */
+#define A0_MOD    (0x11<<24)		/* dst = src0 fmod 1.0 */
+#define A0_TRC    (0x12<<24)		/* dst = int(src0) */
+#define A0_SGE    (0x13<<24)		/* dst = src0 >= src1 ? 1.0 : 0.0 */
+#define A0_SLT    (0x14<<24)		/* dst = src0 < src1 ? 1.0 : 0.0 */
+#define A0_DEST_SATURATE                 (1<<22)
+#define A0_DEST_TYPE_SHIFT                19
+/* Allow: R, OC, OD, U */
+#define A0_DEST_NR_SHIFT                 14
+/* Allow R: 0..15, OC,OD: 0..0, U: 0..2 */
+#define A0_DEST_CHANNEL_X                (1<<10)
+#define A0_DEST_CHANNEL_Y                (2<<10)
+#define A0_DEST_CHANNEL_Z                (4<<10)
+#define A0_DEST_CHANNEL_W                (8<<10)
+#define A0_DEST_CHANNEL_ALL              (0xf<<10)
+#define A0_DEST_CHANNEL_SHIFT            10
+#define A0_SRC0_TYPE_SHIFT               7
+#define A0_SRC0_NR_SHIFT                 2
+
+#define A0_DEST_CHANNEL_XY              (A0_DEST_CHANNEL_X|A0_DEST_CHANNEL_Y)
+#define A0_DEST_CHANNEL_XYZ             (A0_DEST_CHANNEL_XY|A0_DEST_CHANNEL_Z)
+
+
+#define SRC_X        0
+#define SRC_Y        1
+#define SRC_Z        2
+#define SRC_W        3
+#define SRC_ZERO     4
+#define SRC_ONE      5
+
+#define A1_SRC0_CHANNEL_X_NEGATE         (1<<31)
+#define A1_SRC0_CHANNEL_X_SHIFT          28
+#define A1_SRC0_CHANNEL_Y_NEGATE         (1<<27)
+#define A1_SRC0_CHANNEL_Y_SHIFT          24
+#define A1_SRC0_CHANNEL_Z_NEGATE         (1<<23)
+#define A1_SRC0_CHANNEL_Z_SHIFT          20
+#define A1_SRC0_CHANNEL_W_NEGATE         (1<<19)
+#define A1_SRC0_CHANNEL_W_SHIFT          16
+#define A1_SRC1_TYPE_SHIFT               13
+#define A1_SRC1_NR_SHIFT                 8
+#define A1_SRC1_CHANNEL_X_NEGATE         (1<<7)
+#define A1_SRC1_CHANNEL_X_SHIFT          4
+#define A1_SRC1_CHANNEL_Y_NEGATE         (1<<3)
+#define A1_SRC1_CHANNEL_Y_SHIFT          0
+
+#define A2_SRC1_CHANNEL_Z_NEGATE         (1<<31)
+#define A2_SRC1_CHANNEL_Z_SHIFT          28
+#define A2_SRC1_CHANNEL_W_NEGATE         (1<<27)
+#define A2_SRC1_CHANNEL_W_SHIFT          24
+#define A2_SRC2_TYPE_SHIFT               21
+#define A2_SRC2_NR_SHIFT                 16
+#define A2_SRC2_CHANNEL_X_NEGATE         (1<<15)
+#define A2_SRC2_CHANNEL_X_SHIFT          12
+#define A2_SRC2_CHANNEL_Y_NEGATE         (1<<11)
+#define A2_SRC2_CHANNEL_Y_SHIFT          8
+#define A2_SRC2_CHANNEL_Z_NEGATE         (1<<7)
+#define A2_SRC2_CHANNEL_Z_SHIFT          4
+#define A2_SRC2_CHANNEL_W_NEGATE         (1<<3)
+#define A2_SRC2_CHANNEL_W_SHIFT          0
+
+
+
+/* Texture instructions */
+#define T0_TEXLD     (0x15<<24)	/* Sample texture using predeclared
+				 * sampler and address, and output
+				 * filtered texel data to destination
+				 * register */
+#define T0_TEXLDP    (0x16<<24)	/* Same as texld but performs a
+				 * perspective divide of the texture
+				 * coordinate .xyz values by .w before
+				 * sampling. */
+#define T0_TEXLDB    (0x17<<24)	/* Same as texld but biases the
+				 * computed LOD by w.  Only S4.6 two's
+				 * comp is used.  This implies that a
+				 * float to fixed conversion is
+				 * done. */
+#define T0_TEXKILL   (0x18<<24)	/* Does not perform a sampling
+				 * operation.  Simply kills the pixel
+				 * if any channel of the address
+				 * register is < 0.0. */
+#define T0_DEST_TYPE_SHIFT                19
+/* Allow: R, OC, OD, U */
+/* Note: U (unpreserved) regs do not retain their values between
+ * phases (cannot be used for feedback) 
+ *
+ * Note: oC and OD registers can only be used as the destination of a
+ * texture instruction once per phase (this is an implementation
+ * restriction). 
+ */
+#define T0_DEST_NR_SHIFT                 14
+/* Allow R: 0..15, OC,OD: 0..0, U: 0..2 */
+#define T0_SAMPLER_NR_SHIFT              0 /* This field ignored for TEXKILL */
+#define T0_SAMPLER_NR_MASK               (0xf<<0)
+
+#define T1_ADDRESS_REG_TYPE_SHIFT        24 /* Reg to use as texture coord */
+/* Allow R, T, OC, OD -- R, OC, OD are 'dependent' reads, new program phase */
+#define T1_ADDRESS_REG_NR_SHIFT          17
+#define T2_MBZ                           0
+
+/* Declaration instructions */
+#define D0_DCL       (0x19<<24)	/* Declare a t (interpolated attrib)
+				 * register or an s (sampler)
+				 * register. */
+#define D0_SAMPLE_TYPE_SHIFT              22
+#define D0_SAMPLE_TYPE_2D                 (0x0<<22)
+#define D0_SAMPLE_TYPE_CUBE               (0x1<<22)
+#define D0_SAMPLE_TYPE_VOLUME             (0x2<<22)
+#define D0_SAMPLE_TYPE_MASK               (0x3<<22)
+
+#define D0_TYPE_SHIFT                19
+/* Allow: T, S */
+#define D0_NR_SHIFT                  14
+/* Allow T: 0..10, S: 0..15 */
+#define D0_CHANNEL_X                (1<<10)
+#define D0_CHANNEL_Y                (2<<10)
+#define D0_CHANNEL_Z                (4<<10)
+#define D0_CHANNEL_W                (8<<10)
+#define D0_CHANNEL_ALL              (0xf<<10)
+#define D0_CHANNEL_NONE             (0<<10)
+
+#define D0_CHANNEL_XY               (D0_CHANNEL_X|D0_CHANNEL_Y)
+#define D0_CHANNEL_XYZ              (D0_CHANNEL_XY|D0_CHANNEL_Z)
+
+/* I915 Errata: Do not allow (xz), (xw), (xzw) combinations for diffuse
+ * or specular declarations. 
+ *
+ * For T dcls, only allow: (x), (xy), (xyz), (w), (xyzw) 
+ *
+ * Must be zero for S (sampler) dcls
+ */
+#define D1_MBZ                          0
+#define D2_MBZ                          0
+
+
+
+/* p207 */
+#define _3DSTATE_MAP_STATE               (CMD_3D|(0x1d<<24)|(0x0<<16))
+
+#define MS1_MAPMASK_SHIFT               0
+#define MS1_MAPMASK_MASK                (0x8fff<<0)
+
+#define MS2_UNTRUSTED_SURFACE           (1<<31)
+#define MS2_ADDRESS_MASK                0xfffffffc
+#define MS2_VERTICAL_LINE_STRIDE        (1<<1)
+#define MS2_VERTICAL_OFFSET             (1<<1)
+
+#define MS3_HEIGHT_SHIFT              21
+#define MS3_WIDTH_SHIFT               10
+#define MS3_PALETTE_SELECT            (1<<9)
+#define MS3_MAPSURF_FORMAT_SHIFT      7
+#define MS3_MAPSURF_FORMAT_MASK       (0x7<<7)
+#define    MAPSURF_8BIT		 	   (1<<7)
+#define    MAPSURF_16BIT		   (2<<7)
+#define    MAPSURF_32BIT		   (3<<7)
+#define    MAPSURF_422			   (5<<7)
+#define    MAPSURF_COMPRESSED		   (6<<7)
+#define    MAPSURF_4BIT_INDEXED		   (7<<7)
+#define MS3_MT_FORMAT_MASK         (0x7 << 3)
+#define MS3_MT_FORMAT_SHIFT        3
+#define    MT_4BIT_IDX_ARGB8888	           (7<<3) /* SURFACE_4BIT_INDEXED */
+#define    MT_8BIT_I8		           (0<<3) /* SURFACE_8BIT */
+#define    MT_8BIT_L8		           (1<<3)
+#define    MT_8BIT_A8		           (4<<3)
+#define    MT_8BIT_MONO8	           (5<<3)
+#define    MT_16BIT_RGB565 		   (0<<3) /* SURFACE_16BIT */
+#define    MT_16BIT_ARGB1555		   (1<<3)
+#define    MT_16BIT_ARGB4444		   (2<<3)
+#define    MT_16BIT_AY88		   (3<<3)
+#define    MT_16BIT_88DVDU	           (5<<3)
+#define    MT_16BIT_BUMP_655LDVDU	   (6<<3)
+#define    MT_16BIT_I16	                   (7<<3)
+#define    MT_16BIT_L16	                   (8<<3)
+#define    MT_16BIT_A16	                   (9<<3)
+#define    MT_32BIT_ARGB8888		   (0<<3) /* SURFACE_32BIT */
+#define    MT_32BIT_ABGR8888		   (1<<3)
+#define    MT_32BIT_XRGB8888		   (2<<3)
+#define    MT_32BIT_XBGR8888		   (3<<3)
+#define    MT_32BIT_QWVU8888		   (4<<3)
+#define    MT_32BIT_AXVU8888		   (5<<3)
+#define    MT_32BIT_LXVU8888	           (6<<3)
+#define    MT_32BIT_XLVU8888	           (7<<3)
+#define    MT_32BIT_ARGB2101010	           (8<<3)
+#define    MT_32BIT_ABGR2101010	           (9<<3)
+#define    MT_32BIT_AWVU2101010	           (0xA<<3)
+#define    MT_32BIT_GR1616	           (0xB<<3)
+#define    MT_32BIT_VU1616	           (0xC<<3)
+#define    MT_32BIT_xI824	           (0xD<<3)
+#define    MT_32BIT_xA824	           (0xE<<3)
+#define    MT_32BIT_xL824	           (0xF<<3)
+#define    MT_422_YCRCB_SWAPY	           (0<<3) /* SURFACE_422 */
+#define    MT_422_YCRCB_NORMAL	           (1<<3)
+#define    MT_422_YCRCB_SWAPUV	           (2<<3)
+#define    MT_422_YCRCB_SWAPUVY	           (3<<3)
+#define    MT_COMPRESS_DXT1		   (0<<3) /* SURFACE_COMPRESSED */
+#define    MT_COMPRESS_DXT2_3	           (1<<3)
+#define    MT_COMPRESS_DXT4_5	           (2<<3)
+#define    MT_COMPRESS_FXT1		   (3<<3)
+#define    MT_COMPRESS_DXT1_RGB		   (4<<3)
+#define MS3_USE_FENCE_REGS              (1<<2)
+#define MS3_TILED_SURFACE             (1<<1)
+#define MS3_TILE_WALK                 (1<<0)
+
+#define MS4_PITCH_SHIFT                 21
+#define MS4_CUBE_FACE_ENA_NEGX          (1<<20)
+#define MS4_CUBE_FACE_ENA_POSX          (1<<19)
+#define MS4_CUBE_FACE_ENA_NEGY          (1<<18)
+#define MS4_CUBE_FACE_ENA_POSY          (1<<17)
+#define MS4_CUBE_FACE_ENA_NEGZ          (1<<16)
+#define MS4_CUBE_FACE_ENA_POSZ          (1<<15)
+#define MS4_CUBE_FACE_ENA_MASK          (0x3f<<15)
+#define MS4_MAX_LOD_SHIFT		9
+#define MS4_MAX_LOD_MASK		(0x3f<<9)
+#define MS4_MIP_LAYOUT_LEGACY           (0<<8)
+#define MS4_MIP_LAYOUT_BELOW_LPT        (0<<8)
+#define MS4_MIP_LAYOUT_RIGHT_LPT        (1<<8)
+#define MS4_VOLUME_DEPTH_SHIFT          0    
+#define MS4_VOLUME_DEPTH_MASK           (0xff<<0)
+
+/* p244 */
+#define _3DSTATE_SAMPLER_STATE         (CMD_3D|(0x1d<<24)|(0x1<<16))
+
+#define SS1_MAPMASK_SHIFT               0
+#define SS1_MAPMASK_MASK                (0x8fff<<0)
+
+#define SS2_REVERSE_GAMMA_ENABLE        (1<<31)
+#define SS2_PACKED_TO_PLANAR_ENABLE     (1<<30)
+#define SS2_COLORSPACE_CONVERSION       (1<<29)
+#define SS2_CHROMAKEY_SHIFT             27
+#define SS2_BASE_MIP_LEVEL_SHIFT        22
+#define SS2_BASE_MIP_LEVEL_MASK         (0x1f<<22)
+#define SS2_MIP_FILTER_SHIFT            20
+#define SS2_MIP_FILTER_MASK             (0x3<<20)
+#define   MIPFILTER_NONE       	0
+#define   MIPFILTER_NEAREST	1
+#define   MIPFILTER_LINEAR	3
+#define SS2_MAG_FILTER_SHIFT          17
+#define SS2_MAG_FILTER_MASK           (0x7<<17)
+#define   FILTER_NEAREST	0
+#define   FILTER_LINEAR		1
+#define   FILTER_ANISOTROPIC	2
+#define   FILTER_4X4_1    	3
+#define   FILTER_4X4_2    	4
+#define   FILTER_4X4_FLAT 	5
+#define   FILTER_6X5_MONO   	6 /* XXX - check */
+#define SS2_MIN_FILTER_SHIFT          14
+#define SS2_MIN_FILTER_MASK           (0x7<<14)
+#define SS2_LOD_BIAS_SHIFT            5
+#define SS2_LOD_BIAS_ONE              (0x10<<5)
+#define SS2_LOD_BIAS_MASK             (0x1ff<<5)
+/* Shadow requires:
+ *  MT_X8{I,L,A}24 or MT_{I,L,A}16 texture format
+ *  FILTER_4X4_x  MIN and MAG filters
+ */
+#define SS2_SHADOW_ENABLE             (1<<4)
+#define SS2_MAX_ANISO_MASK            (1<<3)
+#define SS2_MAX_ANISO_2               (0<<3)
+#define SS2_MAX_ANISO_4               (1<<3)
+#define SS2_SHADOW_FUNC_SHIFT         0
+#define SS2_SHADOW_FUNC_MASK          (0x7<<0)
+/* SS2_SHADOW_FUNC values: see COMPAREFUNC_* */
+
+#define SS3_MIN_LOD_SHIFT            24
+#define SS3_MIN_LOD_ONE              (0x10<<24)
+#define SS3_MIN_LOD_MASK             (0xff<<24)
+#define SS3_KILL_PIXEL_ENABLE        (1<<17)
+#define SS3_TCX_ADDR_MODE_SHIFT      12
+#define SS3_TCX_ADDR_MODE_MASK       (0x7<<12)
+#define   TEXCOORDMODE_WRAP		0
+#define   TEXCOORDMODE_MIRROR		1
+#define   TEXCOORDMODE_CLAMP_EDGE	2
+#define   TEXCOORDMODE_CUBE       	3
+#define   TEXCOORDMODE_CLAMP_BORDER	4
+#define   TEXCOORDMODE_MIRROR_ONCE      5
+#define SS3_TCY_ADDR_MODE_SHIFT      9
+#define SS3_TCY_ADDR_MODE_MASK       (0x7<<9)
+#define SS3_TCZ_ADDR_MODE_SHIFT      6
+#define SS3_TCZ_ADDR_MODE_MASK       (0x7<<6)
+#define SS3_NORMALIZED_COORDS        (1<<5)
+#define SS3_TEXTUREMAP_INDEX_SHIFT   1
+#define SS3_TEXTUREMAP_INDEX_MASK    (0xf<<1)
+#define SS3_DEINTERLACER_ENABLE      (1<<0)
+
+#define SS4_BORDER_COLOR_MASK        (~0)
+
+/* 3DSTATE_SPAN_STIPPLE, p258
+ */
+#define _3DSTATE_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
+#define ST1_ENABLE               (1<<16)
+#define ST1_MASK                 (0xffff)
+
+
+#define FLUSH_MAP_CACHE    (1<<0)
+#define FLUSH_RENDER_CACHE (1<<1)
+
+
+#endif