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diff --git a/src/gallium/drivers/r300/r300_reg.h b/src/gallium/drivers/r300/r300_reg.h
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+/**************************************************************************
+
+Copyright (C) 2004-2005 Nicolai Haehnle et al.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+on the rights to use, copy, modify, merge, publish, distribute, 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
+THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+/* *INDENT-OFF* */
+
+#ifndef _R300_REG_H
+#define _R300_REG_H
+
+#define R300_MC_INIT_MISC_LAT_TIMER 0x180
+# define R300_MC_MISC__MC_CPR_INIT_LAT_SHIFT 0
+# define R300_MC_MISC__MC_VF_INIT_LAT_SHIFT 4
+# define R300_MC_MISC__MC_DISP0R_INIT_LAT_SHIFT 8
+# define R300_MC_MISC__MC_DISP1R_INIT_LAT_SHIFT 12
+# define R300_MC_MISC__MC_FIXED_INIT_LAT_SHIFT 16
+# define R300_MC_MISC__MC_E2R_INIT_LAT_SHIFT 20
+# define R300_MC_MISC__MC_SAME_PAGE_PRIO_SHIFT 24
+# define R300_MC_MISC__MC_GLOBW_INIT_LAT_SHIFT 28
+
+
+#define R300_MC_INIT_GFX_LAT_TIMER 0x154
+# define R300_MC_MISC__MC_G3D0R_INIT_LAT_SHIFT 0
+# define R300_MC_MISC__MC_G3D1R_INIT_LAT_SHIFT 4
+# define R300_MC_MISC__MC_G3D2R_INIT_LAT_SHIFT 8
+# define R300_MC_MISC__MC_G3D3R_INIT_LAT_SHIFT 12
+# define R300_MC_MISC__MC_TX0R_INIT_LAT_SHIFT 16
+# define R300_MC_MISC__MC_TX1R_INIT_LAT_SHIFT 20
+# define R300_MC_MISC__MC_GLOBR_INIT_LAT_SHIFT 24
+# define R300_MC_MISC__MC_GLOBW_FULL_LAT_SHIFT 28
+
+/*
+ * This file contains registers and constants for the R300. They have been
+ * found mostly by examining command buffers captured using glxtest, as well
+ * as by extrapolating some known registers and constants from the R200.
+ * I am fairly certain that they are correct unless stated otherwise
+ * in comments.
+ */
+
+#define R300_SE_VPORT_XSCALE 0x1D98
+#define R300_SE_VPORT_XOFFSET 0x1D9C
+#define R300_SE_VPORT_YSCALE 0x1DA0
+#define R300_SE_VPORT_YOFFSET 0x1DA4
+#define R300_SE_VPORT_ZSCALE 0x1DA8
+#define R300_SE_VPORT_ZOFFSET 0x1DAC
+
+#define R300_VAP_PORT_IDX0 0x2040
+/*
+ * Vertex Array Processing (VAP) Control
+ */
+#define R300_VAP_CNTL 0x2080
+# define R300_PVS_NUM_SLOTS_SHIFT 0
+# define R300_PVS_NUM_CNTLRS_SHIFT 4
+# define R300_PVS_NUM_FPUS_SHIFT 8
+# define R300_VF_MAX_VTX_NUM_SHIFT 18
+# define R300_PVS_NUM_SLOTS(x) ((x) << 0)
+# define R300_PVS_NUM_CNTLRS(x) ((x) << 4)
+# define R300_PVS_NUM_FPUS(x) ((x) << 8)
+# define R300_PVS_VF_MAX_VTX_NUM(x) ((x) << 18)
+# define R300_GL_CLIP_SPACE_DEF (0 << 22)
+# define R300_DX_CLIP_SPACE_DEF (1 << 22)
+# define R500_TCL_STATE_OPTIMIZATION (1 << 23)
+
+/* This register is written directly and also starts data section
+ * in many 3d CP_PACKET3's
+ */
+#define R300_VAP_VF_CNTL 0x2084
+# define R300_VAP_VF_CNTL__PRIM_TYPE__SHIFT 0
+# define R300_VAP_VF_CNTL__PRIM_NONE (0<<0)
+# define R300_VAP_VF_CNTL__PRIM_POINTS (1<<0)
+# define R300_VAP_VF_CNTL__PRIM_LINES (2<<0)
+# define R300_VAP_VF_CNTL__PRIM_LINE_STRIP (3<<0)
+# define R300_VAP_VF_CNTL__PRIM_TRIANGLES (4<<0)
+# define R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN (5<<0)
+# define R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP (6<<0)
+# define R300_VAP_VF_CNTL__PRIM_LINE_LOOP (12<<0)
+# define R300_VAP_VF_CNTL__PRIM_QUADS (13<<0)
+# define R300_VAP_VF_CNTL__PRIM_QUAD_STRIP (14<<0)
+# define R300_VAP_VF_CNTL__PRIM_POLYGON (15<<0)
+
+# define R300_VAP_VF_CNTL__PRIM_WALK__SHIFT 4
+ /* State based - direct writes to registers trigger vertex
+ generation */
+# define R300_VAP_VF_CNTL__PRIM_WALK_STATE_BASED (0<<4)
+# define R300_VAP_VF_CNTL__PRIM_WALK_INDICES (1<<4)
+# define R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST (2<<4)
+# define R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED (3<<4)
+
+ /* I don't think I saw these three used.. */
+# define R300_VAP_VF_CNTL__COLOR_ORDER__SHIFT 6
+# define R300_VAP_VF_CNTL__TCL_OUTPUT_CTL_ENA__SHIFT 9
+# define R300_VAP_VF_CNTL__PROG_STREAM_ENA__SHIFT 10
+
+ /* index size - when not set the indices are assumed to be 16 bit */
+# define R300_VAP_VF_CNTL__INDEX_SIZE_32bit (1<<11)
+ /* number of vertices */
+# define R300_VAP_VF_CNTL__NUM_VERTICES__SHIFT 16
+
+#define R500_VAP_INDEX_OFFSET 0x208c
+
+#define R300_VAP_OUTPUT_VTX_FMT_0 0x2090
+# define R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT (1<<0)
+# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT (1<<1)
+# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_1_PRESENT (1<<2)
+# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_2_PRESENT (1<<3)
+# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_3_PRESENT (1<<4)
+# define R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT (1<<16)
+
+#define R300_VAP_OUTPUT_VTX_FMT_1 0x2094
+ /* each of the following is 3 bits wide, specifies number
+ of components */
+# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_0_COMP_CNT_SHIFT 0
+# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_1_COMP_CNT_SHIFT 3
+# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_2_COMP_CNT_SHIFT 6
+# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_3_COMP_CNT_SHIFT 9
+# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_4_COMP_CNT_SHIFT 12
+# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_5_COMP_CNT_SHIFT 15
+# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_6_COMP_CNT_SHIFT 18
+# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_7_COMP_CNT_SHIFT 21
+# define R300_VAP_OUTPUT_VTX_FMT_1__NOT_PRESENT 0
+# define R300_VAP_OUTPUT_VTX_FMT_1__1_COMPONENT 1
+# define R300_VAP_OUTPUT_VTX_FMT_1__2_COMPONENTS 2
+# define R300_VAP_OUTPUT_VTX_FMT_1__3_COMPONENTS 3
+# define R300_VAP_OUTPUT_VTX_FMT_1__4_COMPONENTS 4
+
+#define R300_VAP_VPORT_XSCALE 0x2098
+#define R300_VAP_VPORT_XOFFSET 0x209c
+#define R300_VAP_VPORT_YSCALE 0x20a0
+#define R300_VAP_VPORT_YOFFSET 0x20a4
+#define R300_VAP_VPORT_ZSCALE 0x20a8
+#define R300_VAP_VPORT_ZOFFSET 0x20ac
+
+#define R300_VAP_VTE_CNTL 0x20b0
+#define R300_SE_VTE_CNTL R300_VAP_VTE_CNTL
+# define R300_VPORT_X_SCALE_ENA (1 << 0)
+# define R300_VPORT_X_OFFSET_ENA (1 << 1)
+# define R300_VPORT_Y_SCALE_ENA (1 << 2)
+# define R300_VPORT_Y_OFFSET_ENA (1 << 3)
+# define R300_VPORT_Z_SCALE_ENA (1 << 4)
+# define R300_VPORT_Z_OFFSET_ENA (1 << 5)
+# define R300_VTX_XY_FMT (1 << 8)
+# define R300_VTX_Z_FMT (1 << 9)
+# define R300_VTX_W0_FMT (1 << 10)
+# define R300_SERIAL_PROC_ENA (1 << 11)
+
+#define R300_VAP_VTX_SIZE 0x20b4
+
+/* BEGIN: Vertex data assembly - lots of uncertainties */
+
+/* gap */
+
+/* Maximum Vertex Indx Clamp */
+#define R300_VAP_VF_MAX_VTX_INDX 0x2134
+/* Minimum Vertex Indx Clamp */
+#define R300_VAP_VF_MIN_VTX_INDX 0x2138
+
+/** Vertex assembler/processor control status */
+#define R300_VAP_CNTL_STATUS 0x2140
+/* No swap at all (default) */
+# define R300_VC_NO_SWAP (0 << 0)
+/* 16-bit swap: 0xAABBCCDD becomes 0xBBAADDCC */
+# define R300_VC_16BIT_SWAP (1 << 0)
+/* 32-bit swap: 0xAABBCCDD becomes 0xDDCCBBAA */
+# define R300_VC_32BIT_SWAP (2 << 0)
+/* Half-dword swap: 0xAABBCCDD becomes 0xCCDDAABB */
+# define R300_VC_HALF_DWORD_SWAP (3 << 0)
+/* The TCL engine will not be used (as it is logically or even physically removed) */
+# define R300_VAP_TCL_BYPASS (1 << 8)
+/* Read only flag if TCL engine is busy. */
+# define R300_VAP_PVS_BUSY (1 << 11)
+/* TODO: gap for MAX_MPS */
+/* Read only flag if the vertex store is busy. */
+# define R300_VAP_VS_BUSY (1 << 24)
+/* Read only flag if the reciprocal engine is busy. */
+# define R300_VAP_RCP_BUSY (1 << 25)
+/* Read only flag if the viewport transform engine is busy. */
+# define R300_VAP_VTE_BUSY (1 << 26)
+/* Read only flag if the memory interface unit is busy. */
+# define R300_VAP_MUI_BUSY (1 << 27)
+/* Read only flag if the vertex cache is busy. */
+# define R300_VAP_VC_BUSY (1 << 28)
+/* Read only flag if the vertex fetcher is busy. */
+# define R300_VAP_VF_BUSY (1 << 29)
+/* Read only flag if the register pipeline is busy. */
+# define R300_VAP_REGPIPE_BUSY (1 << 30)
+/* Read only flag if the VAP engine is busy. */
+# define R300_VAP_VAP_BUSY (1 << 31)
+
+/* gap */
+
+/* Where do we get our vertex data?
+ *
+ * Vertex data either comes either from immediate mode registers or from
+ * vertex arrays.
+ * There appears to be no mixed mode (though we can force the pitch of
+ * vertex arrays to 0, effectively reusing the same element over and over
+ * again).
+ *
+ * Immediate mode is controlled by the INPUT_CNTL registers. I am not sure
+ * if these registers influence vertex array processing.
+ *
+ * Vertex arrays are controlled via the 3D_LOAD_VBPNTR packet3.
+ *
+ * In both cases, vertex attributes are then passed through INPUT_ROUTE.
+ *
+ * Beginning with INPUT_ROUTE_0_0 is a list of WORDs that route vertex data
+ * into the vertex processor's input registers.
+ * The first word routes the first input, the second word the second, etc.
+ * The corresponding input is routed into the register with the given index.
+ * The list is ended by a word with INPUT_ROUTE_END set.
+ *
+ * Always set COMPONENTS_4 in immediate mode.
+ */
+
+#define R300_VAP_PROG_STREAM_CNTL_0 0x2150
+# define R300_DATA_TYPE_0_SHIFT 0
+# define R300_DATA_TYPE_FLOAT_1 0
+# define R300_DATA_TYPE_FLOAT_2 1
+# define R300_DATA_TYPE_FLOAT_3 2
+# define R300_DATA_TYPE_FLOAT_4 3
+# define R300_DATA_TYPE_BYTE 4
+# define R300_DATA_TYPE_D3DCOLOR 5
+# define R300_DATA_TYPE_SHORT_2 6
+# define R300_DATA_TYPE_SHORT_4 7
+# define R300_DATA_TYPE_VECTOR_3_TTT 8
+# define R300_DATA_TYPE_VECTOR_3_EET 9
+# define R300_SKIP_DWORDS_SHIFT 4
+# define R300_DST_VEC_LOC_SHIFT 8
+# define R300_LAST_VEC (1 << 13)
+# define R300_SIGNED (1 << 14)
+# define R300_NORMALIZE (1 << 15)
+# define R300_DATA_TYPE_1_SHIFT 16
+#define R300_VAP_PROG_STREAM_CNTL_1 0x2154
+#define R300_VAP_PROG_STREAM_CNTL_2 0x2158
+#define R300_VAP_PROG_STREAM_CNTL_3 0x215C
+#define R300_VAP_PROG_STREAM_CNTL_4 0x2160
+#define R300_VAP_PROG_STREAM_CNTL_5 0x2164
+#define R300_VAP_PROG_STREAM_CNTL_6 0x2168
+#define R300_VAP_PROG_STREAM_CNTL_7 0x216C
+/* gap */
+
+/* Notes:
+ * - always set up to produce at least two attributes:
+ * if vertex program uses only position, fglrx will set normal, too
+ * - INPUT_CNTL_0_COLOR and INPUT_CNTL_COLOR bits are always equal.
+ */
+#define R300_VAP_VTX_STATE_CNTL 0x2180
+# define R300_COLOR_0_ASSEMBLY_SHIFT 0
+# define R300_SEL_COLOR 0
+# define R300_SEL_USER_COLOR_0 1
+# define R300_SEL_USER_COLOR_1 2
+# define R300_COLOR_1_ASSEMBLY_SHIFT 2
+# define R300_COLOR_2_ASSEMBLY_SHIFT 4
+# define R300_COLOR_3_ASSEMBLY_SHIFT 6
+# define R300_COLOR_4_ASSEMBLY_SHIFT 8
+# define R300_COLOR_5_ASSEMBLY_SHIFT 10
+# define R300_COLOR_6_ASSEMBLY_SHIFT 12
+# define R300_COLOR_7_ASSEMBLY_SHIFT 14
+# define R300_UPDATE_USER_COLOR_0_ENA (1 << 16)
+
+/*
+ * Each bit in this field applies to the corresponding vector in the VSM
+ * memory (i.e. Bit 0 applies to VECTOR_0 (POSITION), etc.). If the bit
+ * is set, then the corresponding 4-Dword Vector is output into the Vertex Stream.
+ */
+#define R300_VAP_VSM_VTX_ASSM 0x2184
+# define R300_INPUT_CNTL_POS 0x00000001
+# define R300_INPUT_CNTL_NORMAL 0x00000002
+# define R300_INPUT_CNTL_COLOR 0x00000004
+# define R300_INPUT_CNTL_TC0 0x00000400
+# define R300_INPUT_CNTL_TC1 0x00000800
+# define R300_INPUT_CNTL_TC2 0x00001000 /* GUESS */
+# define R300_INPUT_CNTL_TC3 0x00002000 /* GUESS */
+# define R300_INPUT_CNTL_TC4 0x00004000 /* GUESS */
+# define R300_INPUT_CNTL_TC5 0x00008000 /* GUESS */
+# define R300_INPUT_CNTL_TC6 0x00010000 /* GUESS */
+# define R300_INPUT_CNTL_TC7 0x00020000 /* GUESS */
+
+/* Programmable Stream Control Signed Normalize Control */
+#define R300_VAP_PSC_SGN_NORM_CNTL 0x21dc
+# define SGN_NORM_ZERO 0
+# define SGN_NORM_ZERO_CLAMP_MINUS_ONE 1
+# define SGN_NORM_NO_ZERO 2
+# define R300_SGN_NORM_NO_ZERO (SGN_NORM_NO_ZERO | \
+ (SGN_NORM_NO_ZERO << 2) | (SGN_NORM_NO_ZERO << 4) | \
+ (SGN_NORM_NO_ZERO << 6) | (SGN_NORM_NO_ZERO << 8) | \
+ (SGN_NORM_NO_ZERO << 10) | (SGN_NORM_NO_ZERO << 12) | \
+ (SGN_NORM_NO_ZERO << 14) | (SGN_NORM_NO_ZERO << 16) | \
+ (SGN_NORM_NO_ZERO << 18) | (SGN_NORM_NO_ZERO << 20) | \
+ (SGN_NORM_NO_ZERO << 22) | (SGN_NORM_NO_ZERO << 24) | \
+ (SGN_NORM_NO_ZERO << 26) | (SGN_NORM_NO_ZERO << 28) | \
+ (SGN_NORM_NO_ZERO << 30))
+
+/* gap */
+
+/* Words parallel to INPUT_ROUTE_0; All words that are active in INPUT_ROUTE_0
+ * are set to a swizzling bit pattern, other words are 0.
+ *
+ * In immediate mode, the pattern is always set to xyzw. In vertex array
+ * mode, the swizzling pattern is e.g. used to set zw components in texture
+ * coordinates with only tweo components.
+ */
+#define R300_VAP_PROG_STREAM_CNTL_EXT_0 0x21e0
+# define R300_SWIZZLE0_SHIFT 0
+# define R300_SWIZZLE_SELECT_X_SHIFT 0
+# define R300_SWIZZLE_SELECT_Y_SHIFT 3
+# define R300_SWIZZLE_SELECT_Z_SHIFT 6
+# define R300_SWIZZLE_SELECT_W_SHIFT 9
+
+# define R300_SWIZZLE_SELECT_X 0
+# define R300_SWIZZLE_SELECT_Y 1
+# define R300_SWIZZLE_SELECT_Z 2
+# define R300_SWIZZLE_SELECT_W 3
+# define R300_SWIZZLE_SELECT_FP_ZERO 4
+# define R300_SWIZZLE_SELECT_FP_ONE 5
+/* alternate forms for r300_emit.c */
+# define R300_INPUT_ROUTE_SELECT_X 0
+# define R300_INPUT_ROUTE_SELECT_Y 1
+# define R300_INPUT_ROUTE_SELECT_Z 2
+# define R300_INPUT_ROUTE_SELECT_W 3
+# define R300_INPUT_ROUTE_SELECT_ZERO 4
+# define R300_INPUT_ROUTE_SELECT_ONE 5
+
+# define R300_WRITE_ENA_SHIFT 12
+# define R300_WRITE_ENA_X 1
+# define R300_WRITE_ENA_Y 2
+# define R300_WRITE_ENA_Z 4
+# define R300_WRITE_ENA_W 8
+# define R300_SWIZZLE1_SHIFT 16
+
+# define R300_VAP_SWIZZLE_XYZW \
+ ((R300_SWIZZLE_SELECT_X << R300_SWIZZLE_SELECT_X_SHIFT) | \
+ (R300_SWIZZLE_SELECT_Y << R300_SWIZZLE_SELECT_Y_SHIFT) | \
+ (R300_SWIZZLE_SELECT_Z << R300_SWIZZLE_SELECT_Z_SHIFT) | \
+ (R300_SWIZZLE_SELECT_W << R300_SWIZZLE_SELECT_W_SHIFT) | \
+ (0xf << R300_WRITE_ENA_SHIFT))
+
+#define R300_VAP_PROG_STREAM_CNTL_EXT_1 0x21e4
+#define R300_VAP_PROG_STREAM_CNTL_EXT_2 0x21e8
+#define R300_VAP_PROG_STREAM_CNTL_EXT_3 0x21ec
+#define R300_VAP_PROG_STREAM_CNTL_EXT_4 0x21f0
+#define R300_VAP_PROG_STREAM_CNTL_EXT_5 0x21f4
+#define R300_VAP_PROG_STREAM_CNTL_EXT_6 0x21f8
+#define R300_VAP_PROG_STREAM_CNTL_EXT_7 0x21fc
+
+/* END: Vertex data assembly */
+
+/* gap */
+
+/* BEGIN: Upload vertex program and data */
+
+/*
+ * The programmable vertex shader unit has a memory bank of unknown size
+ * that can be written to in 16 byte units by writing the address into
+ * UPLOAD_ADDRESS, followed by data in UPLOAD_DATA (multiples of 4 DWORDs).
+ *
+ * Pointers into the memory bank are always in multiples of 16 bytes.
+ *
+ * The memory bank is divided into areas with fixed meaning.
+ *
+ * Starting at address UPLOAD_PROGRAM: Vertex program instructions.
+ * Native limits reported by drivers from ATI suggest size 256 (i.e. 4KB),
+ * whereas the difference between known addresses suggests size 512.
+ *
+ * Starting at address UPLOAD_PARAMETERS: Vertex program parameters.
+ * Native reported limits and the VPI layout suggest size 256, whereas
+ * difference between known addresses suggests size 512.
+ *
+ * At address UPLOAD_POINTSIZE is a vector (0, 0, ps, 0), where ps is the
+ * floating point pointsize. The exact purpose of this state is uncertain,
+ * as there is also the R300_RE_POINTSIZE register.
+ *
+ * Multiple vertex programs and parameter sets can be loaded at once,
+ * which could explain the size discrepancy.
+ */
+#define R300_VAP_PVS_VECTOR_INDX_REG 0x2200
+# define R300_PVS_CODE_START 0
+# define R300_MAX_PVS_CODE_LINES 256
+# define R500_MAX_PVS_CODE_LINES 1024
+# define R300_PVS_CONST_START 512
+# define R500_PVS_CONST_START 1024
+# define R300_MAX_PVS_CONST_VECS 256
+# define R500_MAX_PVS_CONST_VECS 1024
+# define R300_PVS_UCP_START 1024
+# define R500_PVS_UCP_START 1536
+# define R300_POINT_VPORT_SCALE_OFFSET 1030
+# define R500_POINT_VPORT_SCALE_OFFSET 1542
+# define R300_POINT_GEN_TEX_OFFSET 1031
+# define R500_POINT_GEN_TEX_OFFSET 1543
+
+/*
+ * These are obsolete defines form r300_context.h, but they might give some
+ * clues when investigating the addresses further...
+ */
+#if 0
+#define VSF_DEST_PROGRAM 0x0
+#define VSF_DEST_MATRIX0 0x200
+#define VSF_DEST_MATRIX1 0x204
+#define VSF_DEST_MATRIX2 0x208
+#define VSF_DEST_VECTOR0 0x20c
+#define VSF_DEST_VECTOR1 0x20d
+#define VSF_DEST_UNKNOWN1 0x400
+#define VSF_DEST_UNKNOWN2 0x406
+#endif
+
+/* gap */
+
+#define R300_VAP_PVS_UPLOAD_DATA 0x2208
+
+/* END: Upload vertex program and data */
+
+/* gap */
+
+/* I do not know the purpose of this register. However, I do know that
+ * it is set to 221C_CLEAR for clear operations and to 221C_NORMAL
+ * for normal rendering.
+ *
+ * 2007-11-05: This register is the user clip plane control register, but there
+ * also seems to be a rendering mode control; the NORMAL/CLEAR defines.
+ *
+ * See bug #9871. http://bugs.freedesktop.org/attachment.cgi?id=10672&action=view
+ */
+#define R300_VAP_CLIP_CNTL 0x221C
+# define R300_VAP_UCP_ENABLE_0 (1 << 0)
+# define R300_VAP_UCP_ENABLE_1 (1 << 1)
+# define R300_VAP_UCP_ENABLE_2 (1 << 2)
+# define R300_VAP_UCP_ENABLE_3 (1 << 3)
+# define R300_VAP_UCP_ENABLE_4 (1 << 4)
+# define R300_VAP_UCP_ENABLE_5 (1 << 5)
+# define R300_PS_UCP_MODE_DIST_COP (0 << 14)
+# define R300_PS_UCP_MODE_RADIUS_COP (1 << 14)
+# define R300_PS_UCP_MODE_RADIUS_COP_CLIP (2 << 14)
+# define R300_PS_UCP_MODE_CLIP_AS_TRIFAN (3 << 14)
+# define R300_CLIP_DISABLE (1 << 16)
+# define R300_UCP_CULL_ONLY_ENABLE (1 << 17)
+# define R300_BOUNDARY_EDGE_FLAG_ENABLE (1 << 18)
+# define R500_COLOR2_IS_TEXTURE (1 << 20)
+# define R500_COLOR3_IS_TEXTURE (1 << 21)
+
+/* These seem to be per-pixel and per-vertex X and Y clipping planes. The first
+ * plane is per-pixel and the second plane is per-vertex.
+ *
+ * This was determined by experimentation alone but I believe it is correct.
+ *
+ * These registers are called X_QUAD0_1_FL to X_QUAD0_4_FL by glxtest.
+ */
+#define R300_VAP_GB_VERT_CLIP_ADJ 0x2220
+#define R300_VAP_GB_VERT_DISC_ADJ 0x2224
+#define R300_VAP_GB_HORZ_CLIP_ADJ 0x2228
+#define R300_VAP_GB_HORZ_DISC_ADJ 0x222c
+
+/* gap */
+
+/* Sometimes, END_OF_PKT and 0x2284=0 are the only commands sent between
+ * rendering commands and overwriting vertex program parameters.
+ * Therefore, I suspect writing zero to 0x2284 synchronizes the engine and
+ * avoids bugs caused by still running shaders reading bad data from memory.
+ */
+#define R300_VAP_PVS_STATE_FLUSH_REG 0x2284
+
+/* This register is used to define the number of core clocks to wait for a
+ * vertex to be received by the VAP input controller (while the primitive
+ * path is backed up) before forcing any accumulated vertices to be submitted
+ * to the vertex processing path.
+ */
+#define VAP_PVS_VTX_TIMEOUT_REG 0x2288
+# define R300_2288_R300 0x00750000 /* -- nh */
+# define R300_2288_RV350 0x0000FFFF /* -- Vladimir */
+
+/* gap */
+
+/* Addresses are relative to the vertex program instruction area of the
+ * memory bank. PROGRAM_END points to the last instruction of the active
+ * program
+ *
+ * The meaning of the two UNKNOWN fields is obviously not known. However,
+ * experiments so far have shown that both *must* point to an instruction
+ * inside the vertex program, otherwise the GPU locks up.
+ *
+ * fglrx usually sets CNTL_3_UNKNOWN to the end of the program and
+ * R300_PVS_CNTL_1_POS_END_SHIFT points to instruction where last write to
+ * position takes place.
+ *
+ * Most likely this is used to ignore rest of the program in cases
+ * where group of verts arent visible. For some reason this "section"
+ * is sometimes accepted other instruction that have no relationship with
+ * position calculations.
+ */
+#define R300_VAP_PVS_CODE_CNTL_0 0x22D0
+# define R300_PVS_FIRST_INST_SHIFT 0
+# define R300_PVS_XYZW_VALID_INST_SHIFT 10
+# define R300_PVS_LAST_INST_SHIFT 20
+# define R300_PVS_FIRST_INST(x) ((x) << 0)
+# define R300_PVS_XYZW_VALID_INST(x) ((x) << 10)
+# define R300_PVS_LAST_INST(x) ((x) << 20)
+/* Addresses are relative the the vertex program parameters area. */
+#define R300_VAP_PVS_CONST_CNTL 0x22D4
+# define R300_PVS_CONST_BASE_OFFSET_SHIFT 0
+# define R300_PVS_MAX_CONST_ADDR_SHIFT 16
+# define R300_PVS_MAX_CONST_ADDR(x) ((x) << 16)
+#define R300_VAP_PVS_CODE_CNTL_1 0x22D8
+# define R300_PVS_LAST_VTX_SRC_INST_SHIFT 0
+#define R300_VAP_PVS_FLOW_CNTL_OPC 0x22DC
+
+/* The entire range from 0x2300 to 0x2AC inclusive seems to be used for
+ * immediate vertices
+ */
+#define R300_VAP_VTX_COLOR_R 0x2464
+#define R300_VAP_VTX_COLOR_G 0x2468
+#define R300_VAP_VTX_COLOR_B 0x246C
+#define R300_VAP_VTX_POS_0_X_1 0x2490 /* used for glVertex2*() */
+#define R300_VAP_VTX_POS_0_Y_1 0x2494
+#define R300_VAP_VTX_COLOR_PKD 0x249C /* RGBA */
+#define R300_VAP_VTX_POS_0_X_2 0x24A0 /* used for glVertex3*() */
+#define R300_VAP_VTX_POS_0_Y_2 0x24A4
+#define R300_VAP_VTX_POS_0_Z_2 0x24A8
+/* write 0 to indicate end of packet? */
+#define R300_VAP_VTX_END_OF_PKT 0x24AC
+
+/* gap */
+
+/* These are values from r300_reg/r300_reg.h - they are known to be correct
+ * and are here so we can use one register file instead of several
+ * - Vladimir
+ */
+#define R300_GB_VAP_RASTER_VTX_FMT_0 0x4000
+# define R300_GB_VAP_RASTER_VTX_FMT_0__POS_PRESENT (1<<0)
+# define R300_GB_VAP_RASTER_VTX_FMT_0__COLOR_0_PRESENT (1<<1)
+# define R300_GB_VAP_RASTER_VTX_FMT_0__COLOR_1_PRESENT (1<<2)
+# define R300_GB_VAP_RASTER_VTX_FMT_0__COLOR_2_PRESENT (1<<3)
+# define R300_GB_VAP_RASTER_VTX_FMT_0__COLOR_3_PRESENT (1<<4)
+# define R300_GB_VAP_RASTER_VTX_FMT_0__COLOR_SPACE (0xf<<5)
+# define R300_GB_VAP_RASTER_VTX_FMT_0__PT_SIZE_PRESENT (0x1<<16)
+
+#define R300_GB_VAP_RASTER_VTX_FMT_1 0x4004
+ /* each of the following is 3 bits wide, specifies number
+ of components */
+# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_0_COMP_CNT_SHIFT 0
+# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_1_COMP_CNT_SHIFT 3
+# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_2_COMP_CNT_SHIFT 6
+# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_3_COMP_CNT_SHIFT 9
+# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_4_COMP_CNT_SHIFT 12
+# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_5_COMP_CNT_SHIFT 15
+# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_6_COMP_CNT_SHIFT 18
+# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_7_COMP_CNT_SHIFT 21
+
+/* UNK30 seems to enables point to quad transformation on textures
+ * (or something closely related to that).
+ * This bit is rather fatal at the time being due to lackings at pixel
+ * shader side
+ * Specifies top of Raster pipe specific enable controls.
+ */
+#define R300_GB_ENABLE 0x4008
+# define R300_GB_POINT_STUFF_DISABLE (0 << 0)
+# define R300_GB_POINT_STUFF_ENABLE (1 << 0) /* Specifies if points will have stuffed texture coordinates. */
+# define R300_GB_LINE_STUFF_DISABLE (0 << 1)
+# define R300_GB_LINE_STUFF_ENABLE (1 << 1) /* Specifies if lines will have stuffed texture coordinates. */
+# define R300_GB_TRIANGLE_STUFF_DISABLE (0 << 2)
+# define R300_GB_TRIANGLE_STUFF_ENABLE (1 << 2) /* Specifies if triangles will have stuffed texture coordinates. */
+# define R300_GB_STENCIL_AUTO_DISABLE (0 << 4)
+# define R300_GB_STENCIL_AUTO_ENABLE (1 << 4) /* Enable stencil auto inc/dec based on triangle cw/ccw, force into dzy low bit. */
+# define R300_GB_STENCIL_AUTO_FORCE (2 << 4) /* Force 0 into dzy low bit. */
+
+ /* each of the following is 2 bits wide */
+#define R300_GB_TEX_REPLICATE 0 /* Replicate VAP source texture coordinates (S,T,[R,Q]). */
+#define R300_GB_TEX_ST 1 /* Stuff with source texture coordinates (S,T). */
+#define R300_GB_TEX_STR 2 /* Stuff with source texture coordinates (S,T,R). */
+# define R300_GB_TEX0_SOURCE_SHIFT 16
+# define R300_GB_TEX1_SOURCE_SHIFT 18
+# define R300_GB_TEX2_SOURCE_SHIFT 20
+# define R300_GB_TEX3_SOURCE_SHIFT 22
+# define R300_GB_TEX4_SOURCE_SHIFT 24
+# define R300_GB_TEX5_SOURCE_SHIFT 26
+# define R300_GB_TEX6_SOURCE_SHIFT 28
+# define R300_GB_TEX7_SOURCE_SHIFT 30
+
+/* MSPOS - positions for multisample antialiasing (?) */
+#define R300_GB_MSPOS0 0x4010
+ /* shifts - each of the fields is 4 bits */
+# define R300_GB_MSPOS0__MS_X0_SHIFT 0
+# define R300_GB_MSPOS0__MS_Y0_SHIFT 4
+# define R300_GB_MSPOS0__MS_X1_SHIFT 8
+# define R300_GB_MSPOS0__MS_Y1_SHIFT 12
+# define R300_GB_MSPOS0__MS_X2_SHIFT 16
+# define R300_GB_MSPOS0__MS_Y2_SHIFT 20
+# define R300_GB_MSPOS0__MSBD0_Y 24
+# define R300_GB_MSPOS0__MSBD0_X 28
+
+#define R300_GB_MSPOS1 0x4014
+# define R300_GB_MSPOS1__MS_X3_SHIFT 0
+# define R300_GB_MSPOS1__MS_Y3_SHIFT 4
+# define R300_GB_MSPOS1__MS_X4_SHIFT 8
+# define R300_GB_MSPOS1__MS_Y4_SHIFT 12
+# define R300_GB_MSPOS1__MS_X5_SHIFT 16
+# define R300_GB_MSPOS1__MS_Y5_SHIFT 20
+# define R300_GB_MSPOS1__MSBD1 24
+
+/* Specifies the graphics pipeline configuration for rasterization. */
+#define R300_GB_TILE_CONFIG 0x4018
+# define R300_GB_TILE_DISABLE (0 << 0)
+# define R300_GB_TILE_ENABLE (1 << 0)
+# define R300_GB_TILE_PIPE_COUNT_RV300 (0 << 1) /* RV350 (1 pipe, 1 ctx) */
+# define R300_GB_TILE_PIPE_COUNT_R300 (3 << 1) /* R300 (2 pipes, 1 ctx) */
+# define R300_GB_TILE_PIPE_COUNT_R420_3P (6 << 1) /* R420-3P (3 pipes, 1 ctx) */
+# define R300_GB_TILE_PIPE_COUNT_R420 (7 << 1) /* R420 (4 pipes, 1 ctx) */
+# define R300_GB_TILE_SIZE_8 (0 << 4)
+# define R300_GB_TILE_SIZE_16 (1 << 4)
+# define R300_GB_TILE_SIZE_32 (2 << 4)
+# define R300_GB_SUPER_SIZE_1 (0 << 6)
+# define R300_GB_SUPER_SIZE_2 (1 << 6)
+# define R300_GB_SUPER_SIZE_4 (2 << 6)
+# define R300_GB_SUPER_SIZE_8 (3 << 6)
+# define R300_GB_SUPER_SIZE_16 (4 << 6)
+# define R300_GB_SUPER_SIZE_32 (5 << 6)
+# define R300_GB_SUPER_SIZE_64 (6 << 6)
+# define R300_GB_SUPER_SIZE_128 (7 << 6)
+# define R300_GB_SUPER_X_SHIFT 9 /* 3 bits wide */
+# define R300_GB_SUPER_Y_SHIFT 12 /* 3 bits wide */
+# define R300_GB_SUPER_TILE_A (0 << 15)
+# define R300_GB_SUPER_TILE_B (1 << 15)
+# define R300_GB_SUBPIXEL_1_12 (0 << 16)
+# define R300_GB_SUBPIXEL_1_16 (1 << 16)
+# define GB_TILE_CONFIG_QUADS_PER_RAS_4 (0 << 17)
+# define GB_TILE_CONFIG_QUADS_PER_RAS_8 (1 << 17)
+# define GB_TILE_CONFIG_QUADS_PER_RAS_16 (2 << 17)
+# define GB_TILE_CONFIG_QUADS_PER_RAS_32 (3 << 17)
+# define GB_TILE_CONFIG_BB_SCAN_INTERCEPT (0 << 19)
+# define GB_TILE_CONFIG_BB_SCAN_BOUND_BOX (1 << 19)
+# define GB_TILE_CONFIG_ALT_SCAN_EN_LR (0 << 20)
+# define GB_TILE_CONFIG_ALT_SCAN_EN_LRL (1 << 20)
+# define GB_TILE_CONFIG_ALT_OFFSET (0 << 21)
+# define GB_TILE_CONFIG_SUBPRECISION (0 << 22)
+# define GB_TILE_CONFIG_ALT_TILING_DEF (0 << 23)
+# define GB_TILE_CONFIG_ALT_TILING_3_2 (1 << 23)
+# define GB_TILE_CONFIG_Z_EXTENDED_24_1 (0 << 24)
+# define GB_TILE_CONFIG_Z_EXTENDED_S25_1 (1 << 24)
+
+/* Specifies the sizes of the various FIFO`s in the sc/rs/us. This register must be the first one written */
+#define R300_GB_FIFO_SIZE 0x4024
+ /* each of the following is 2 bits wide */
+#define R300_GB_FIFO_SIZE_32 0
+#define R300_GB_FIFO_SIZE_64 1
+#define R300_GB_FIFO_SIZE_128 2
+#define R300_GB_FIFO_SIZE_256 3
+# define R300_SC_IFIFO_SIZE_SHIFT 0
+# define R300_SC_TZFIFO_SIZE_SHIFT 2
+# define R300_SC_BFIFO_SIZE_SHIFT 4
+
+# define R300_US_OFIFO_SIZE_SHIFT 12
+# define R300_US_WFIFO_SIZE_SHIFT 14
+ /* the following use the same constants as above, but meaning is
+ is times 2 (i.e. instead of 32 words it means 64 */
+# define R300_RS_TFIFO_SIZE_SHIFT 6
+# define R300_RS_CFIFO_SIZE_SHIFT 8
+# define R300_US_RAM_SIZE_SHIFT 10
+ /* watermarks, 3 bits wide */
+# define R300_RS_HIGHWATER_COL_SHIFT 16
+# define R300_RS_HIGHWATER_TEX_SHIFT 19
+# define R300_OFIFO_HIGHWATER_SHIFT 22 /* two bits only */
+# define R300_CUBE_FIFO_HIGHWATER_COL_SHIFT 24
+
+#define GB_Z_PEQ_CONFIG 0x4028
+# define GB_Z_PEQ_CONFIG_Z_PEQ_SIZE_4_4 (0 << 0)
+# define GB_Z_PEQ_CONFIG_Z_PEQ_SIZE_8_8 (1 << 0)
+
+/* Specifies various polygon specific selects (fog, depth, perspective). */
+#define R300_GB_SELECT 0x401c
+# define R300_GB_FOG_SELECT_C0A (0 << 0)
+# define R300_GB_FOG_SELECT_C1A (1 << 0)
+# define R300_GB_FOG_SELECT_C2A (2 << 0)
+# define R300_GB_FOG_SELECT_C3A (3 << 0)
+# define R300_GB_FOG_SELECT_1_1_W (4 << 0)
+# define R300_GB_FOG_SELECT_Z (5 << 0)
+# define R300_GB_DEPTH_SELECT_Z (0 << 3)
+# define R300_GB_DEPTH_SELECT_1_1_W (1 << 3)
+# define R300_GB_W_SELECT_1_W (0 << 4)
+# define R300_GB_W_SELECT_1 (1 << 4)
+# define R300_GB_FOG_STUFF_DISABLE (0 << 5)
+# define R300_GB_FOG_STUFF_ENABLE (1 << 5)
+# define R300_GB_FOG_STUFF_TEX_SHIFT 6
+# define R300_GB_FOG_STUFF_TEX_MASK 0x000003c0
+# define R300_GB_FOG_STUFF_COMP_SHIFT 10
+# define R300_GB_FOG_STUFF_COMP_MASK 0x00000c00
+
+/* Specifies the graphics pipeline configuration for antialiasing. */
+#define R300_GB_AA_CONFIG 0x4020
+# define GB_AA_CONFIG_AA_DISABLE (0 << 0)
+# define GB_AA_CONFIG_AA_ENABLE (1 << 0)
+# define GB_AA_CONFIG_NUM_AA_SUBSAMPLES_2 (0 << 1)
+# define GB_AA_CONFIG_NUM_AA_SUBSAMPLES_3 (1 << 1)
+# define GB_AA_CONFIG_NUM_AA_SUBSAMPLES_4 (2 << 1)
+# define GB_AA_CONFIG_NUM_AA_SUBSAMPLES_6 (3 << 1)
+
+/* Selects which of 4 pipes are active. */
+#define GB_PIPE_SELECT 0x402c
+# define GB_PIPE_SELECT_PIPE0_ID_SHIFT 0
+# define GB_PIPE_SELECT_PIPE1_ID_SHIFT 2
+# define GB_PIPE_SELECT_PIPE2_ID_SHIFT 4
+# define GB_PIPE_SELECT_PIPE3_ID_SHIFT 6
+# define GB_PIPE_SELECT_PIPE_MASK_SHIFT 8
+# define GB_PIPE_SELECT_MAX_PIPE 12
+# define GB_PIPE_SELECT_BAD_PIPES 14
+# define GB_PIPE_SELECT_CONFIG_PIPES 18
+
+
+/* Specifies the sizes of the various FIFO`s in the sc/rs. */
+#define GB_FIFO_SIZE1 0x4070
+/* High water mark for SC input fifo */
+# define GB_FIFO_SIZE1_SC_HIGHWATER_IFIFO_SHIFT 0
+# define GB_FIFO_SIZE1_SC_HIGHWATER_IFIFO_MASK 0x0000003f
+/* High water mark for SC input fifo (B) */
+# define GB_FIFO_SIZE1_SC_HIGHWATER_BFIFO_SHIFT 6
+# define GB_FIFO_SIZE1_SC_HIGHWATER_BFIFO_MASK 0x00000fc0
+/* High water mark for RS colors' fifo */
+# define GB_FIFO_SIZE1_SC_HIGHWATER_COL_SHIFT 12
+# define GB_FIFO_SIZE1_SC_HIGHWATER_COL_MASK 0x0003f000
+/* High water mark for RS textures' fifo */
+# define GB_FIFO_SIZE1_SC_HIGHWATER_TEX_SHIFT 18
+# define GB_FIFO_SIZE1_SC_HIGHWATER_TEX_MASK 0x00fc0000
+
+/* This table specifies the source location and format for up to 16 texture
+ * addresses (i[0]:i[15]) and four colors (c[0]:c[3])
+ */
+#define R500_RS_IP_0 0x4074
+#define R500_RS_IP_1 0x4078
+#define R500_RS_IP_2 0x407C
+#define R500_RS_IP_3 0x4080
+#define R500_RS_IP_4 0x4084
+#define R500_RS_IP_5 0x4088
+#define R500_RS_IP_6 0x408C
+#define R500_RS_IP_7 0x4090
+#define R500_RS_IP_8 0x4094
+#define R500_RS_IP_9 0x4098
+#define R500_RS_IP_10 0x409C
+#define R500_RS_IP_11 0x40A0
+#define R500_RS_IP_12 0x40A4
+#define R500_RS_IP_13 0x40A8
+#define R500_RS_IP_14 0x40AC
+#define R500_RS_IP_15 0x40B0
+#define R500_RS_IP_PTR_K0 62
+#define R500_RS_IP_PTR_K1 63
+#define R500_RS_IP_TEX_PTR_S_SHIFT 0
+#define R500_RS_IP_TEX_PTR_T_SHIFT 6
+#define R500_RS_IP_TEX_PTR_R_SHIFT 12
+#define R500_RS_IP_TEX_PTR_Q_SHIFT 18
+#define R500_RS_IP_COL_PTR_SHIFT 24
+#define R500_RS_IP_COL_FMT_SHIFT 27
+# define R500_RS_SEL_S(x) ((x) << 0)
+# define R500_RS_SEL_T(x) ((x) << 6)
+# define R500_RS_SEL_R(x) ((x) << 12)
+# define R500_RS_SEL_Q(x) ((x) << 18)
+# define R500_RS_COL_PTR(x) ((x) << 24)
+# define R500_RS_COL_FMT(x) ((x) << 27)
+/* gap */
+#define R500_RS_IP_OFFSET_DIS (0 << 31)
+#define R500_RS_IP_OFFSET_EN (1 << 31)
+
+/* gap */
+
+/* Zero to flush caches. */
+#define R300_TX_INVALTAGS 0x4100
+#define R300_TX_FLUSH 0x0
+
+/* The upper enable bits are guessed, based on fglrx reported limits. */
+#define R300_TX_ENABLE 0x4104
+# define R300_TX_ENABLE_0 (1 << 0)
+# define R300_TX_ENABLE_1 (1 << 1)
+# define R300_TX_ENABLE_2 (1 << 2)
+# define R300_TX_ENABLE_3 (1 << 3)
+# define R300_TX_ENABLE_4 (1 << 4)
+# define R300_TX_ENABLE_5 (1 << 5)
+# define R300_TX_ENABLE_6 (1 << 6)
+# define R300_TX_ENABLE_7 (1 << 7)
+# define R300_TX_ENABLE_8 (1 << 8)
+# define R300_TX_ENABLE_9 (1 << 9)
+# define R300_TX_ENABLE_10 (1 << 10)
+# define R300_TX_ENABLE_11 (1 << 11)
+# define R300_TX_ENABLE_12 (1 << 12)
+# define R300_TX_ENABLE_13 (1 << 13)
+# define R300_TX_ENABLE_14 (1 << 14)
+# define R300_TX_ENABLE_15 (1 << 15)
+
+#define R500_TX_FILTER_4 0x4110
+# define R500_TX_WEIGHT_1_SHIFT (0)
+# define R500_TX_WEIGHT_0_SHIFT (11)
+# define R500_TX_WEIGHT_PAIR (1<<22)
+# define R500_TX_PHASE_SHIFT (23)
+# define R500_TX_DIRECTION_HORIZONTAL (0<<27)
+# define R500_TX_DIRECTION_VERITCAL (1<<27)
+
+/* S Texture Coordinate of Vertex 0 for Point texture stuffing (LLC) */
+#define R300_GA_POINT_S0 0x4200
+
+/* T Texture Coordinate of Vertex 0 for Point texture stuffing (LLC) */
+#define R300_GA_POINT_T0 0x4204
+
+/* S Texture Coordinate of Vertex 2 for Point texture stuffing (URC) */
+#define R300_GA_POINT_S1 0x4208
+
+/* T Texture Coordinate of Vertex 2 for Point texture stuffing (URC) */
+#define R300_GA_POINT_T1 0x420c
+
+/* Specifies amount to shift integer position of vertex (screen space) before
+ * converting to float for triangle stipple.
+ */
+#define R300_GA_TRIANGLE_STIPPLE 0x4214
+# define R300_GA_TRIANGLE_STIPPLE_X_SHIFT_SHIFT 0
+# define R300_GA_TRIANGLE_STIPPLE_X_SHIFT_MASK 0x0000000f
+# define R300_GA_TRIANGLE_STIPPLE_Y_SHIFT_SHIFT 16
+# define R300_GA_TRIANGLE_STIPPLE_Y_SHIFT_MASK 0x000f0000
+
+/* The pointsize is given in multiples of 6. The pointsize can be enormous:
+ * Clear() renders a single point that fills the entire framebuffer.
+ * 1/2 Height of point; fixed (16.0), subpixel format (1/12 or 1/16, even if in
+ * 8b precision).
+ */
+#define R300_GA_POINT_SIZE 0x421C
+# define R300_POINTSIZE_Y_SHIFT 0
+# define R300_POINTSIZE_Y_MASK 0x0000ffff
+# define R300_POINTSIZE_X_SHIFT 16
+# define R300_POINTSIZE_X_MASK 0xffff0000
+# define R300_POINTSIZE_MAX (R300_POINTSIZE_Y_MASK / 6)
+
+/* Blue fill color */
+#define R500_GA_FILL_R 0x4220
+
+/* Blue fill color */
+#define R500_GA_FILL_G 0x4224
+
+/* Blue fill color */
+#define R500_GA_FILL_B 0x4228
+
+/* Alpha fill color */
+#define R500_GA_FILL_A 0x422c
+
+
+/* Specifies maximum and minimum point & sprite sizes for per vertex size
+ * specification. The lower part (15:0) is MIN and (31:16) is max.
+ */
+#define R300_GA_POINT_MINMAX 0x4230
+# define R300_GA_POINT_MINMAX_MIN_SHIFT 0
+# define R300_GA_POINT_MINMAX_MIN_MASK (0xFFFF << 0)
+# define R300_GA_POINT_MINMAX_MAX_SHIFT 16
+# define R300_GA_POINT_MINMAX_MAX_MASK (0xFFFF << 16)
+
+/* 1/2 width of line, in subpixels (1/12 or 1/16 only, even in 8b
+ * subprecision); (16.0) fixed format.
+ *
+ * The line width is given in multiples of 6.
+ * In default mode lines are classified as vertical lines.
+ * HO: horizontal
+ * VE: vertical or horizontal
+ * HO & VE: no classification
+ */
+#define R300_GA_LINE_CNTL 0x4234
+# define R300_GA_LINE_CNTL_WIDTH_SHIFT 0
+# define R300_GA_LINE_CNTL_WIDTH_MASK 0x0000ffff
+# define R300_GA_LINE_CNTL_END_TYPE_HOR (0 << 16)
+# define R300_GA_LINE_CNTL_END_TYPE_VER (1 << 16)
+# define R300_GA_LINE_CNTL_END_TYPE_SQR (2 << 16) /* horizontal or vertical depending upon slope */
+# define R300_GA_LINE_CNTL_END_TYPE_COMP (3 << 16) /* Computed (perpendicular to slope) */
+# define R500_GA_LINE_CNTL_SORT_NO (0 << 18)
+# define R500_GA_LINE_CNTL_SORT_MINX_MINY (1 << 18)
+/** TODO: looks wrong */
+# define R300_LINESIZE_MAX (R300_GA_LINE_CNTL_WIDTH_MASK / 6)
+/** TODO: looks wrong */
+# define R300_LINE_CNT_HO (1 << 16)
+/** TODO: looks wrong */
+# define R300_LINE_CNT_VE (1 << 17)
+
+/* Line Stipple configuration information. */
+#define R300_GA_LINE_STIPPLE_CONFIG 0x4238
+# define R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_NO (0 << 0)
+# define R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_LINE (1 << 0)
+# define R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_PACKET (2 << 0)
+# define R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_SHIFT 2
+# define R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_MASK 0xfffffffc
+
+/* Used to load US instructions and constants */
+#define R500_GA_US_VECTOR_INDEX 0x4250
+# define R500_GA_US_VECTOR_INDEX_SHIFT 0
+# define R500_GA_US_VECTOR_INDEX_MASK 0x000000ff
+# define R500_GA_US_VECTOR_INDEX_TYPE_INSTR (0 << 16)
+# define R500_GA_US_VECTOR_INDEX_TYPE_CONST (1 << 16)
+# define R500_GA_US_VECTOR_INDEX_CLAMP_NO (0 << 17)
+# define R500_GA_US_VECTOR_INDEX_CLAMP_CONST (1 << 17)
+
+/* Data register for loading US instructions and constants */
+#define R500_GA_US_VECTOR_DATA 0x4254
+
+/* Specifies color properties and mappings of textures. */
+#define R500_GA_COLOR_CONTROL_PS3 0x4258
+# define R500_TEX0_SHADING_PS3_SOLID (0 << 0)
+# define R500_TEX0_SHADING_PS3_FLAT (1 << 0)
+# define R500_TEX0_SHADING_PS3_GOURAUD (2 << 0)
+# define R500_TEX1_SHADING_PS3_SOLID (0 << 2)
+# define R500_TEX1_SHADING_PS3_FLAT (1 << 2)
+# define R500_TEX1_SHADING_PS3_GOURAUD (2 << 2)
+# define R500_TEX2_SHADING_PS3_SOLID (0 << 4)
+# define R500_TEX2_SHADING_PS3_FLAT (1 << 4)
+# define R500_TEX2_SHADING_PS3_GOURAUD (2 << 4)
+# define R500_TEX3_SHADING_PS3_SOLID (0 << 6)
+# define R500_TEX3_SHADING_PS3_FLAT (1 << 6)
+# define R500_TEX3_SHADING_PS3_GOURAUD (2 << 6)
+# define R500_TEX4_SHADING_PS3_SOLID (0 << 8)
+# define R500_TEX4_SHADING_PS3_FLAT (1 << 8)
+# define R500_TEX4_SHADING_PS3_GOURAUD (2 << 8)
+# define R500_TEX5_SHADING_PS3_SOLID (0 << 10)
+# define R500_TEX5_SHADING_PS3_FLAT (1 << 10)
+# define R500_TEX5_SHADING_PS3_GOURAUD (2 << 10)
+# define R500_TEX6_SHADING_PS3_SOLID (0 << 12)
+# define R500_TEX6_SHADING_PS3_FLAT (1 << 12)
+# define R500_TEX6_SHADING_PS3_GOURAUD (2 << 12)
+# define R500_TEX7_SHADING_PS3_SOLID (0 << 14)
+# define R500_TEX7_SHADING_PS3_FLAT (1 << 14)
+# define R500_TEX7_SHADING_PS3_GOURAUD (2 << 14)
+# define R500_TEX8_SHADING_PS3_SOLID (0 << 16)
+# define R500_TEX8_SHADING_PS3_FLAT (1 << 16)
+# define R500_TEX8_SHADING_PS3_GOURAUD (2 << 16)
+# define R500_TEX9_SHADING_PS3_SOLID (0 << 18)
+# define R500_TEX9_SHADING_PS3_FLAT (1 << 18)
+# define R500_TEX9_SHADING_PS3_GOURAUD (2 << 18)
+# define R500_TEX10_SHADING_PS3_SOLID (0 << 20)
+# define R500_TEX10_SHADING_PS3_FLAT (1 << 20)
+# define R500_TEX10_SHADING_PS3_GOURAUD (2 << 20)
+# define R500_COLOR0_TEX_OVERRIDE_NO (0 << 22)
+# define R500_COLOR0_TEX_OVERRIDE_TEX_0 (1 << 22)
+# define R500_COLOR0_TEX_OVERRIDE_TEX_1 (2 << 22)
+# define R500_COLOR0_TEX_OVERRIDE_TEX_2 (3 << 22)
+# define R500_COLOR0_TEX_OVERRIDE_TEX_3 (4 << 22)
+# define R500_COLOR0_TEX_OVERRIDE_TEX_4 (5 << 22)
+# define R500_COLOR0_TEX_OVERRIDE_TEX_5 (6 << 22)
+# define R500_COLOR0_TEX_OVERRIDE_TEX_6 (7 << 22)
+# define R500_COLOR0_TEX_OVERRIDE_TEX_7 (8 << 22)
+# define R500_COLOR0_TEX_OVERRIDE_TEX_8_C2 (9 << 22)
+# define R500_COLOR0_TEX_OVERRIDE_TEX_9_C3 (10 << 22)
+# define R500_COLOR1_TEX_OVERRIDE_NO (0 << 26)
+# define R500_COLOR1_TEX_OVERRIDE_TEX_0 (1 << 26)
+# define R500_COLOR1_TEX_OVERRIDE_TEX_1 (2 << 26)
+# define R500_COLOR1_TEX_OVERRIDE_TEX_2 (3 << 26)
+# define R500_COLOR1_TEX_OVERRIDE_TEX_3 (4 << 26)
+# define R500_COLOR1_TEX_OVERRIDE_TEX_4 (5 << 26)
+# define R500_COLOR1_TEX_OVERRIDE_TEX_5 (6 << 26)
+# define R500_COLOR1_TEX_OVERRIDE_TEX_6 (7 << 26)
+# define R500_COLOR1_TEX_OVERRIDE_TEX_7 (8 << 26)
+# define R500_COLOR1_TEX_OVERRIDE_TEX_8_C2 (9 << 26)
+# define R500_COLOR1_TEX_OVERRIDE_TEX_9_C3 (10 << 26)
+
+/* Returns idle status of various G3D block, captured when GA_IDLE written or
+ * when hard or soft reset asserted.
+ */
+#define R500_GA_IDLE 0x425c
+# define R500_GA_IDLE_PIPE3_Z_IDLE (0 << 0)
+# define R500_GA_IDLE_PIPE2_Z_IDLE (0 << 1)
+# define R500_GA_IDLE_PIPE3_CD_IDLE (0 << 2)
+# define R500_GA_IDLE_PIPE2_CD_IDLE (0 << 3)
+# define R500_GA_IDLE_PIPE3_FG_IDLE (0 << 4)
+# define R500_GA_IDLE_PIPE2_FG_IDLE (0 << 5)
+# define R500_GA_IDLE_PIPE3_US_IDLE (0 << 6)
+# define R500_GA_IDLE_PIPE2_US_IDLE (0 << 7)
+# define R500_GA_IDLE_PIPE3_SC_IDLE (0 << 8)
+# define R500_GA_IDLE_PIPE2_SC_IDLE (0 << 9)
+# define R500_GA_IDLE_PIPE3_RS_IDLE (0 << 10)
+# define R500_GA_IDLE_PIPE2_RS_IDLE (0 << 11)
+# define R500_GA_IDLE_PIPE1_Z_IDLE (0 << 12)
+# define R500_GA_IDLE_PIPE0_Z_IDLE (0 << 13)
+# define R500_GA_IDLE_PIPE1_CD_IDLE (0 << 14)
+# define R500_GA_IDLE_PIPE0_CD_IDLE (0 << 15)
+# define R500_GA_IDLE_PIPE1_FG_IDLE (0 << 16)
+# define R500_GA_IDLE_PIPE0_FG_IDLE (0 << 17)
+# define R500_GA_IDLE_PIPE1_US_IDLE (0 << 18)
+# define R500_GA_IDLE_PIPE0_US_IDLE (0 << 19)
+# define R500_GA_IDLE_PIPE1_SC_IDLE (0 << 20)
+# define R500_GA_IDLE_PIPE0_SC_IDLE (0 << 21)
+# define R500_GA_IDLE_PIPE1_RS_IDLE (0 << 22)
+# define R500_GA_IDLE_PIPE0_RS_IDLE (0 << 23)
+# define R500_GA_IDLE_SU_IDLE (0 << 24)
+# define R500_GA_IDLE_GA_IDLE (0 << 25)
+# define R500_GA_IDLE_GA_UNIT2_IDLE (0 << 26)
+
+/* Current value of stipple accumulator. */
+#define R300_GA_LINE_STIPPLE_VALUE 0x4260
+
+/* S Texture Coordinate Value for Vertex 0 of Line (stuff textures -- i.e. AA) */
+#define R300_GA_LINE_S0 0x4264
+/* S Texture Coordinate Value for Vertex 1 of Lines (V2 of parallelogram -- stuff textures -- i.e. AA) */
+#define R300_GA_LINE_S1 0x4268
+
+/* GA Input fifo high water marks */
+#define R500_GA_FIFO_CNTL 0x4270
+# define R500_GA_FIFO_CNTL_VERTEX_FIFO_MASK 0x00000007
+# define R500_GA_FIFO_CNTL_VERTEX_FIFO_SHIFT 0
+# define R500_GA_FIFO_CNTL_VERTEX_INDEX_MASK 0x00000038
+# define R500_GA_FIFO_CNTL_VERTEX_INDEX_SHIFT 3
+# define R500_GA_FIFO_CNTL_VERTEX_REG_MASK 0x00003fc0
+# define R500_GA_FIFO_CNTL_VERTEX_REG_SHIFT 6
+
+/* GA enhance/tweaks */
+#define R300_GA_ENHANCE 0x4274
+# define R300_GA_ENHANCE_DEADLOCK_CNTL_NO_EFFECT (0 << 0)
+# define R300_GA_ENHANCE_DEADLOCK_CNTL_PREVENT_TCL (1 << 0) /* Prevents TCL interface from deadlocking on GA side. */
+# define R300_GA_ENHANCE_FASTSYNC_CNTL_NO_EFFECT (0 << 1)
+# define R300_GA_ENHANCE_FASTSYNC_CNTL_ENABLE (1 << 1) /* Enables high-performance register/primitive switching. */
+# define R500_GA_ENHANCE_REG_READWRITE_NO_EFFECT (0 << 2) /* R520+ only */
+# define R500_GA_ENHANCE_REG_READWRITE_ENABLE (1 << 2) /* R520+ only, Enables GA support of simultaneous register reads and writes. */
+# define R500_GA_ENHANCE_REG_NOSTALL_NO_EFFECT (0 << 3)
+# define R500_GA_ENHANCE_REG_NOSTALL_ENABLE (1 << 3) /* Enables GA support of no-stall reads for register read back. */
+
+#define R300_GA_COLOR_CONTROL 0x4278
+# define R300_GA_COLOR_CONTROL_RGB0_SHADING_SOLID (0 << 0)
+# define R300_GA_COLOR_CONTROL_RGB0_SHADING_FLAT (1 << 0)
+# define R300_GA_COLOR_CONTROL_RGB0_SHADING_GOURAUD (2 << 0)
+# define R300_GA_COLOR_CONTROL_ALPHA0_SHADING_SOLID (0 << 2)
+# define R300_GA_COLOR_CONTROL_ALPHA0_SHADING_FLAT (1 << 2)
+# define R300_GA_COLOR_CONTROL_ALPHA0_SHADING_GOURAUD (2 << 2)
+# define R300_GA_COLOR_CONTROL_RGB1_SHADING_SOLID (0 << 4)
+# define R300_GA_COLOR_CONTROL_RGB1_SHADING_FLAT (1 << 4)
+# define R300_GA_COLOR_CONTROL_RGB1_SHADING_GOURAUD (2 << 4)
+# define R300_GA_COLOR_CONTROL_ALPHA1_SHADING_SOLID (0 << 6)
+# define R300_GA_COLOR_CONTROL_ALPHA1_SHADING_FLAT (1 << 6)
+# define R300_GA_COLOR_CONTROL_ALPHA1_SHADING_GOURAUD (2 << 6)
+# define R300_GA_COLOR_CONTROL_RGB2_SHADING_SOLID (0 << 8)
+# define R300_GA_COLOR_CONTROL_RGB2_SHADING_FLAT (1 << 8)
+# define R300_GA_COLOR_CONTROL_RGB2_SHADING_GOURAUD (2 << 8)
+# define R300_GA_COLOR_CONTROL_ALPHA2_SHADING_SOLID (0 << 10)
+# define R300_GA_COLOR_CONTROL_ALPHA2_SHADING_FLAT (1 << 10)
+# define R300_GA_COLOR_CONTROL_ALPHA2_SHADING_GOURAUD (2 << 10)
+# define R300_GA_COLOR_CONTROL_RGB3_SHADING_SOLID (0 << 12)
+# define R300_GA_COLOR_CONTROL_RGB3_SHADING_FLAT (1 << 12)
+# define R300_GA_COLOR_CONTROL_RGB3_SHADING_GOURAUD (2 << 12)
+# define R300_GA_COLOR_CONTROL_ALPHA3_SHADING_SOLID (0 << 14)
+# define R300_GA_COLOR_CONTROL_ALPHA3_SHADING_FLAT (1 << 14)
+# define R300_GA_COLOR_CONTROL_ALPHA3_SHADING_GOURAUD (2 << 14)
+# define R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_FIRST (0 << 16)
+# define R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_SECOND (1 << 16)
+# define R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_THIRD (2 << 16)
+# define R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST (3 << 16)
+
+# define R300_SHADE_MODEL_FLAT ( \
+ R300_GA_COLOR_CONTROL_RGB0_SHADING_FLAT | \
+ R300_GA_COLOR_CONTROL_ALPHA0_SHADING_FLAT | \
+ R300_GA_COLOR_CONTROL_RGB1_SHADING_FLAT | \
+ R300_GA_COLOR_CONTROL_ALPHA1_SHADING_FLAT | \
+ R300_GA_COLOR_CONTROL_RGB2_SHADING_FLAT | \
+ R300_GA_COLOR_CONTROL_ALPHA2_SHADING_FLAT | \
+ R300_GA_COLOR_CONTROL_RGB3_SHADING_FLAT | \
+ R300_GA_COLOR_CONTROL_ALPHA3_SHADING_FLAT )
+
+# define R300_SHADE_MODEL_SMOOTH ( \
+ R300_GA_COLOR_CONTROL_RGB0_SHADING_GOURAUD | \
+ R300_GA_COLOR_CONTROL_ALPHA0_SHADING_GOURAUD | \
+ R300_GA_COLOR_CONTROL_RGB1_SHADING_GOURAUD | \
+ R300_GA_COLOR_CONTROL_ALPHA1_SHADING_GOURAUD | \
+ R300_GA_COLOR_CONTROL_RGB2_SHADING_GOURAUD | \
+ R300_GA_COLOR_CONTROL_ALPHA2_SHADING_GOURAUD | \
+ R300_GA_COLOR_CONTROL_RGB3_SHADING_GOURAUD | \
+ R300_GA_COLOR_CONTROL_ALPHA3_SHADING_GOURAUD )
+
+/* Specifies red & green components of fill color -- S312 format -- Backwards comp. */
+#define R300_GA_SOLID_RG 0x427c
+# define GA_SOLID_RG_COLOR_GREEN_SHIFT 0
+# define GA_SOLID_RG_COLOR_GREEN_MASK 0x0000ffff
+# define GA_SOLID_RG_COLOR_RED_SHIFT 16
+# define GA_SOLID_RG_COLOR_RED_MASK 0xffff0000
+/* Specifies blue & alpha components of fill color -- S312 format -- Backwards comp. */
+#define R300_GA_SOLID_BA 0x4280
+# define GA_SOLID_BA_COLOR_ALPHA_SHIFT 0
+# define GA_SOLID_BA_COLOR_ALPHA_MASK 0x0000ffff
+# define GA_SOLID_BA_COLOR_BLUE_SHIFT 16
+# define GA_SOLID_BA_COLOR_BLUE_MASK 0xffff0000
+
+/* Polygon Mode
+ * Dangerous
+ */
+#define R300_GA_POLY_MODE 0x4288
+# define R300_GA_POLY_MODE_DISABLE (0 << 0)
+# define R300_GA_POLY_MODE_DUAL (1 << 0) /* send 2 sets of 3 polys with specified poly type */
+/* reserved */
+# define R300_GA_POLY_MODE_FRONT_PTYPE_POINT (0 << 4)
+# define R300_GA_POLY_MODE_FRONT_PTYPE_LINE (1 << 4)
+# define R300_GA_POLY_MODE_FRONT_PTYPE_TRI (2 << 4)
+/* reserved */
+# define R300_GA_POLY_MODE_BACK_PTYPE_POINT (0 << 7)
+# define R300_GA_POLY_MODE_BACK_PTYPE_LINE (1 << 7)
+# define R300_GA_POLY_MODE_BACK_PTYPE_TRI (2 << 7)
+/* reserved */
+
+/* Specifies the rouding mode for geometry & color SPFP to FP conversions. */
+#define R300_GA_ROUND_MODE 0x428c
+# define R300_GA_ROUND_MODE_GEOMETRY_ROUND_TRUNC (0 << 0)
+# define R300_GA_ROUND_MODE_GEOMETRY_ROUND_NEAREST (1 << 0)
+# define R300_GA_ROUND_MODE_COLOR_ROUND_TRUNC (0 << 2)
+# define R300_GA_ROUND_MODE_COLOR_ROUND_NEAREST (1 << 2)
+# define R300_GA_ROUND_MODE_RGB_CLAMP_RGB (0 << 4)
+# define R300_GA_ROUND_MODE_RGB_CLAMP_FP20 (1 << 4)
+# define R300_GA_ROUND_MODE_ALPHA_CLAMP_RGB (0 << 5)
+# define R300_GA_ROUND_MODE_ALPHA_CLAMP_FP20 (1 << 5)
+# define R500_GA_ROUND_MODE_GEOMETRY_MASK_SHIFT 6
+# define R500_GA_ROUND_MODE_GEOMETRY_MASK_MASK 0x000003c0
+
+/* Specifies x & y offsets for vertex data after conversion to FP.
+ * Offsets are in S15 format (subpixels -- 1/12 or 1/16, even in 8b
+ * subprecision).
+ */
+#define R300_GA_OFFSET 0x4290
+# define R300_GA_OFFSET_X_OFFSET_SHIFT 0
+# define R300_GA_OFFSET_X_OFFSET_MASK 0x0000ffff
+# define R300_GA_OFFSET_Y_OFFSET_SHIFT 16
+# define R300_GA_OFFSET_Y_OFFSET_MASK 0xffff0000
+
+/* Specifies the scale to apply to fog. */
+#define R300_GA_FOG_SCALE 0x4294
+/* Specifies the offset to apply to fog. */
+#define R300_GA_FOG_OFFSET 0x4298
+/* Specifies number of cycles to assert reset, and also causes RB3D soft reset to assert. */
+#define R300_GA_SOFT_RESET 0x429c
+
+/* Not sure why there are duplicate of factor and constant values.
+ * My best guess so far is that there are seperate zbiases for test and write.
+ * Ordering might be wrong.
+ * Some of the tests indicate that fgl has a fallback implementation of zbias
+ * via pixel shaders.
+ */
+#define R300_SU_TEX_WRAP 0x42A0
+#define R300_SU_POLY_OFFSET_FRONT_SCALE 0x42A4
+#define R300_SU_POLY_OFFSET_FRONT_OFFSET 0x42A8
+#define R300_SU_POLY_OFFSET_BACK_SCALE 0x42AC
+#define R300_SU_POLY_OFFSET_BACK_OFFSET 0x42B0
+
+/* This register needs to be set to (1<<1) for RV350 to correctly
+ * perform depth test (see --vb-triangles in r300_demo)
+ * Don't know about other chips. - Vladimir
+ * This is set to 3 when GL_POLYGON_OFFSET_FILL is on.
+ * My guess is that there are two bits for each zbias primitive
+ * (FILL, LINE, POINT).
+ * One to enable depth test and one for depth write.
+ * Yet this doesnt explain why depth writes work ...
+ */
+#define R300_SU_POLY_OFFSET_ENABLE 0x42B4
+# define R300_FRONT_ENABLE (1 << 0)
+# define R300_BACK_ENABLE (1 << 1)
+# define R300_PARA_ENABLE (1 << 2)
+
+#define R300_SU_CULL_MODE 0x42B8
+# define R300_CULL_FRONT (1 << 0)
+# define R300_CULL_BACK (1 << 1)
+# define R300_FRONT_FACE_CCW (0 << 2)
+# define R300_FRONT_FACE_CW (1 << 2)
+
+/* SU Depth Scale value */
+#define R300_SU_DEPTH_SCALE 0x42c0
+/* SU Depth Offset value */
+#define R300_SU_DEPTH_OFFSET 0x42c4
+
+
+/* BEGIN: Rasterization / Interpolators - many guesses */
+
+/*
+ * TC_CNT is the number of incoming texture coordinate sets (i.e. it depends
+ * on the vertex program, *not* the fragment program)
+ */
+#define R300_RS_COUNT 0x4300
+# define R300_IT_COUNT_SHIFT 0
+# define R300_IT_COUNT_MASK 0x0000007f
+# define R300_IC_COUNT_SHIFT 7
+# define R300_IC_COUNT_MASK 0x00000780
+# define R300_W_ADDR_SHIFT 12
+# define R300_W_ADDR_MASK 0x0003f000
+# define R300_HIRES_DIS (0 << 18)
+# define R300_HIRES_EN (1 << 18)
+# define R300_IT_COUNT(x) ((x) << 0)
+# define R300_IC_COUNT(x) ((x) << 7)
+# define R300_W_COUNT(x) ((x) << 12)
+
+#define R300_RS_INST_COUNT 0x4304
+# define R300_RS_INST_COUNT_SHIFT 0
+# define R300_RS_INST_COUNT_MASK 0x0000000f
+# define R300_RS_TX_OFFSET_SHIFT 5
+# define R300_RS_TX_OFFSET_MASK 0x000000e0
+# define R300_RS_TX_OFFSET(x) ((x) << 5)
+
+/* gap */
+
+/* Only used for texture coordinates.
+ * Use the source field to route texture coordinate input from the
+ * vertex program to the desired interpolator. Note that the source
+ * field is relative to the outputs the vertex program *actually*
+ * writes. If a vertex program only writes texcoord[1], this will
+ * be source index 0.
+ * Set INTERP_USED on all interpolators that produce data used by
+ * the fragment program. INTERP_USED looks like a swizzling mask,
+ * but I haven't seen it used that way.
+ *
+ * Note: The _UNKNOWN constants are always set in their respective
+ * register. I don't know if this is necessary.
+ */
+#define R300_RS_IP_0 0x4310
+#define R300_RS_IP_1 0x4314
+#define R300_RS_IP_2 0x4318
+#define R300_RS_IP_3 0x431C
+# define R300_RS_INTERP_SRC_SHIFT 2 /* TODO: check for removal */
+# define R300_RS_INTERP_SRC_MASK (7 << 2) /* TODO: check for removal */
+# define R300_RS_TEX_PTR(x) (x << 0)
+# define R300_RS_COL_PTR(x) ((x) << 6)
+# define R300_RS_COL_FMT(x) ((x) << 9)
+# define R300_RS_COL_FMT_RGBA 0
+# define R300_RS_COL_FMT_RGB0 1
+# define R300_RS_COL_FMT_RGB1 2
+# define R300_RS_COL_FMT_000A 4
+# define R300_RS_COL_FMT_0000 5
+# define R300_RS_COL_FMT_0001 6
+# define R300_RS_COL_FMT_111A 8
+# define R300_RS_COL_FMT_1110 9
+# define R300_RS_COL_FMT_1111 10
+# define R300_RS_SEL_S(x) ((x) << 13)
+# define R300_RS_SEL_T(x) ((x) << 16)
+# define R300_RS_SEL_R(x) ((x) << 19)
+# define R300_RS_SEL_Q(x) ((x) << 22)
+# define R300_RS_SEL_C0 0
+# define R300_RS_SEL_C1 1
+# define R300_RS_SEL_C2 2
+# define R300_RS_SEL_C3 3
+# define R300_RS_SEL_K0 4
+# define R300_RS_SEL_K1 5
+
+
+/* */
+#define R500_RS_INST_0 0x4320
+#define R500_RS_INST_1 0x4324
+#define R500_RS_INST_2 0x4328
+#define R500_RS_INST_3 0x432c
+#define R500_RS_INST_4 0x4330
+#define R500_RS_INST_5 0x4334
+#define R500_RS_INST_6 0x4338
+#define R500_RS_INST_7 0x433c
+#define R500_RS_INST_8 0x4340
+#define R500_RS_INST_9 0x4344
+#define R500_RS_INST_10 0x4348
+#define R500_RS_INST_11 0x434c
+#define R500_RS_INST_12 0x4350
+#define R500_RS_INST_13 0x4354
+#define R500_RS_INST_14 0x4358
+#define R500_RS_INST_15 0x435c
+#define R500_RS_INST_TEX_ID_SHIFT 0
+# define R500_RS_INST_TEX_ID(x) ((x) << 0)
+#define R500_RS_INST_TEX_CN_WRITE (1 << 4)
+#define R500_RS_INST_TEX_ADDR_SHIFT 5
+# define R500_RS_INST_TEX_ADDR(x) ((x) << 0)
+#define R500_RS_INST_COL_ID_SHIFT 12
+# define R500_RS_INST_COL_ID(x) ((x) << 12)
+#define R500_RS_INST_COL_CN_NO_WRITE (0 << 16)
+#define R500_RS_INST_COL_CN_WRITE (1 << 16)
+#define R500_RS_INST_COL_CN_WRITE_FBUFFER (2 << 16)
+#define R500_RS_INST_COL_CN_WRITE_BACKFACE (3 << 16)
+#define R500_RS_INST_COL_ADDR_SHIFT 18
+# define R500_RS_INST_COL_ADDR(x) ((x) << 18)
+#define R500_RS_INST_TEX_ADJ (1 << 25)
+#define R500_RS_INST_W_CN (1 << 26)
+
+/* These DWORDs control how vertex data is routed into fragment program
+ * registers, after interpolators.
+ */
+#define R300_RS_INST_0 0x4330
+#define R300_RS_INST_1 0x4334
+#define R300_RS_INST_2 0x4338
+#define R300_RS_INST_3 0x433C
+#define R300_RS_INST_4 0x4340
+#define R300_RS_INST_5 0x4344
+#define R300_RS_INST_6 0x4348
+#define R300_RS_INST_7 0x434C
+# define R300_RS_INST_TEX_ID(x) ((x) << 0)
+# define R300_RS_INST_TEX_CN_WRITE (1 << 3)
+# define R300_RS_INST_TEX_ADDR(x) ((x) << 6)
+# define R300_RS_INST_TEX_ADDR_SHIFT 6
+# define R300_RS_INST_COL_ID(x) ((x) << 11)
+# define R300_RS_INST_COL_CN_WRITE (1 << 14)
+# define R300_RS_INST_COL_ADDR(x) ((x) << 17)
+# define R300_RS_INST_COL_ADDR_SHIFT 17
+# define R300_RS_INST_TEX_ADJ (1 << 22)
+# define R300_RS_COL_BIAS_UNUSED_SHIFT 23
+
+/* END: Rasterization / Interpolators - many guesses */
+
+/* Hierarchical Z Enable */
+#define R300_SC_HYPERZ 0x43a4
+# define R300_SC_HYPERZ_DISABLE (0 << 0)
+# define R300_SC_HYPERZ_ENABLE (1 << 0)
+# define R300_SC_HYPERZ_MIN (0 << 1)
+# define R300_SC_HYPERZ_MAX (1 << 1)
+# define R300_SC_HYPERZ_ADJ_256 (0 << 2)
+# define R300_SC_HYPERZ_ADJ_128 (1 << 2)
+# define R300_SC_HYPERZ_ADJ_64 (2 << 2)
+# define R300_SC_HYPERZ_ADJ_32 (3 << 2)
+# define R300_SC_HYPERZ_ADJ_16 (4 << 2)
+# define R300_SC_HYPERZ_ADJ_8 (5 << 2)
+# define R300_SC_HYPERZ_ADJ_4 (6 << 2)
+# define R300_SC_HYPERZ_ADJ_2 (7 << 2)
+# define R300_SC_HYPERZ_HZ_Z0MIN_NO (0 << 5)
+# define R300_SC_HYPERZ_HZ_Z0MIN (1 << 5)
+# define R300_SC_HYPERZ_HZ_Z0MAX_NO (0 << 6)
+# define R300_SC_HYPERZ_HZ_Z0MAX (1 << 6)
+
+#define R300_SC_EDGERULE 0x43a8
+
+/* BEGIN: Scissors and cliprects */
+
+/* There are four clipping rectangles. Their corner coordinates are inclusive.
+ * Every pixel is assigned a number from 0 and 15 by setting bits 0-3 depending
+ * on whether the pixel is inside cliprects 0-3, respectively. For example,
+ * if a pixel is inside cliprects 0 and 1, but outside 2 and 3, it is assigned
+ * the number 3 (binary 0011).
+ * Iff the bit corresponding to the pixel's number in RE_CLIPRECT_CNTL is set,
+ * the pixel is rasterized.
+ *
+ * In addition to this, there is a scissors rectangle. Only pixels inside the
+ * scissors rectangle are drawn. (coordinates are inclusive)
+ *
+ * For some reason, the top-left corner of the framebuffer is at (1440, 1440)
+ * for the purpose of clipping and scissors.
+ */
+#define R300_SC_CLIPRECT_TL_0 0x43B0
+#define R300_SC_CLIPRECT_BR_0 0x43B4
+#define R300_SC_CLIPRECT_TL_1 0x43B8
+#define R300_SC_CLIPRECT_BR_1 0x43BC
+#define R300_SC_CLIPRECT_TL_2 0x43C0
+#define R300_SC_CLIPRECT_BR_2 0x43C4
+#define R300_SC_CLIPRECT_TL_3 0x43C8
+#define R300_SC_CLIPRECT_BR_3 0x43CC
+# define R300_CLIPRECT_OFFSET 1440
+# define R300_CLIPRECT_MASK 0x1FFF
+# define R300_CLIPRECT_X_SHIFT 0
+# define R300_CLIPRECT_X_MASK (0x1FFF << 0)
+# define R300_CLIPRECT_Y_SHIFT 13
+# define R300_CLIPRECT_Y_MASK (0x1FFF << 13)
+#define R300_SC_CLIP_RULE 0x43D0
+# define R300_CLIP_OUT (1 << 0)
+# define R300_CLIP_0 (1 << 1)
+# define R300_CLIP_1 (1 << 2)
+# define R300_CLIP_10 (1 << 3)
+# define R300_CLIP_2 (1 << 4)
+# define R300_CLIP_20 (1 << 5)
+# define R300_CLIP_21 (1 << 6)
+# define R300_CLIP_210 (1 << 7)
+# define R300_CLIP_3 (1 << 8)
+# define R300_CLIP_30 (1 << 9)
+# define R300_CLIP_31 (1 << 10)
+# define R300_CLIP_310 (1 << 11)
+# define R300_CLIP_32 (1 << 12)
+# define R300_CLIP_320 (1 << 13)
+# define R300_CLIP_321 (1 << 14)
+# define R300_CLIP_3210 (1 << 15)
+
+/* gap */
+
+#define R300_SC_SCISSORS_TL 0x43E0
+#define R300_SC_SCISSORS_BR 0x43E4
+# define R300_SCISSORS_OFFSET 1440
+# define R300_SCISSORS_X_SHIFT 0
+# define R300_SCISSORS_X_MASK (0x1FFF << 0)
+# define R300_SCISSORS_Y_SHIFT 13
+# define R300_SCISSORS_Y_MASK (0x1FFF << 13)
+
+/* Screen door sample mask */
+#define R300_SC_SCREENDOOR 0x43e8
+
+/* END: Scissors and cliprects */
+
+/* BEGIN: Texture specification */
+
+/*
+ * The texture specification dwords are grouped by meaning and not by texture
+ * unit. This means that e.g. the offset for texture image unit N is found in
+ * register TX_OFFSET_0 + (4*N)
+ */
+#define R300_TX_FILTER0_0 0x4400
+#define R300_TX_FILTER0_1 0x4404
+#define R300_TX_FILTER0_2 0x4408
+#define R300_TX_FILTER0_3 0x440c
+#define R300_TX_FILTER0_4 0x4410
+#define R300_TX_FILTER0_5 0x4414
+#define R300_TX_FILTER0_6 0x4418
+#define R300_TX_FILTER0_7 0x441c
+#define R300_TX_FILTER0_8 0x4420
+#define R300_TX_FILTER0_9 0x4424
+#define R300_TX_FILTER0_10 0x4428
+#define R300_TX_FILTER0_11 0x442c
+#define R300_TX_FILTER0_12 0x4430
+#define R300_TX_FILTER0_13 0x4434
+#define R300_TX_FILTER0_14 0x4438
+#define R300_TX_FILTER0_15 0x443c
+# define R300_TX_REPEAT 0
+# define R300_TX_MIRRORED 1
+# define R300_TX_CLAMP_TO_EDGE 2
+# define R300_TX_MIRROR_ONCE_TO_EDGE 3
+# define R300_TX_CLAMP 4
+# define R300_TX_MIRROR_ONCE 5
+# define R300_TX_CLAMP_TO_BORDER 6
+# define R300_TX_MIRROR_ONCE_TO_BORDER 7
+# define R300_TX_WRAP_S_SHIFT 0
+# define R300_TX_WRAP_S_MASK (7 << 0)
+# define R300_TX_WRAP_T_SHIFT 3
+# define R300_TX_WRAP_T_MASK (7 << 3)
+# define R300_TX_WRAP_R_SHIFT 6
+# define R300_TX_WRAP_R_MASK (7 << 6)
+# define R300_TX_MAG_FILTER_4 (0 << 9)
+# define R300_TX_MAG_FILTER_NEAREST (1 << 9)
+# define R300_TX_MAG_FILTER_LINEAR (2 << 9)
+# define R300_TX_MAG_FILTER_ANISO (3 << 9)
+# define R300_TX_MAG_FILTER_MASK (3 << 9)
+# define R300_TX_MIN_FILTER_NEAREST (1 << 11)
+# define R300_TX_MIN_FILTER_LINEAR (2 << 11)
+# define R300_TX_MIN_FILTER_ANISO (3 << 11)
+# define R300_TX_MIN_FILTER_MASK (3 << 11)
+# define R300_TX_MIN_FILTER_MIP_NONE (0 << 13)
+# define R300_TX_MIN_FILTER_MIP_NEAREST (1 << 13)
+# define R300_TX_MIN_FILTER_MIP_LINEAR (2 << 13)
+# define R300_TX_MIN_FILTER_MIP_MASK (3 << 13)
+# define R300_TX_MAX_ANISO_1_TO_1 (0 << 21)
+# define R300_TX_MAX_ANISO_2_TO_1 (1 << 21)
+# define R300_TX_MAX_ANISO_4_TO_1 (2 << 21)
+# define R300_TX_MAX_ANISO_8_TO_1 (3 << 21)
+# define R300_TX_MAX_ANISO_16_TO_1 (4 << 21)
+# define R300_TX_MAX_ANISO_MASK (7 << 21)
+# define R300_TX_WRAP_S(x) ((x) << 0)
+# define R300_TX_WRAP_T(x) ((x) << 3)
+
+#define R300_TX_FILTER1_0 0x4440
+# define R300_CHROMA_KEY_MODE_DISABLE 0
+# define R300_CHROMA_KEY_FORCE 1
+# define R300_CHROMA_KEY_BLEND 2
+# define R300_MC_ROUND_NORMAL (0<<2)
+# define R300_MC_ROUND_MPEG4 (1<<2)
+# define R300_LOD_BIAS_SHIFT 3
+# define R300_LOD_BIAS_MASK 0x1ff8
+# define R300_EDGE_ANISO_EDGE_DIAG (0<<13)
+# define R300_EDGE_ANISO_EDGE_ONLY (1<<13)
+# define R300_MC_COORD_TRUNCATE_DISABLE (0<<14)
+# define R300_MC_COORD_TRUNCATE_MPEG (1<<14)
+# define R300_TX_TRI_PERF_0_8 (0<<15)
+# define R300_TX_TRI_PERF_1_8 (1<<15)
+# define R300_TX_TRI_PERF_1_4 (2<<15)
+# define R300_TX_TRI_PERF_3_8 (3<<15)
+# define R300_ANISO_THRESHOLD_MASK (7<<17)
+
+# define R500_MACRO_SWITCH (1<<22)
+# define R500_BORDER_FIX (1<<31)
+
+#define R300_TX_FORMAT0_0 0x4480
+# define R300_TX_WIDTHMASK_SHIFT 0
+# define R300_TX_WIDTHMASK_MASK (2047 << 0)
+# define R300_TX_HEIGHTMASK_SHIFT 11
+# define R300_TX_HEIGHTMASK_MASK (2047 << 11)
+# define R300_TX_DEPTHMASK_SHIFT 22
+# define R300_TX_DEPTHMASK_MASK (0xf << 22)
+# define R300_TX_MAX_MIP_LEVEL_SHIFT 26
+# define R300_TX_MAX_MIP_LEVEL_MASK (0xf << 26)
+# define R300_TX_SIZE_PROJECTED (1 << 30)
+# define R300_TX_PITCH_EN (1 << 31)
+# define R300_TX_WIDTH(x) ((x) << 0)
+# define R300_TX_HEIGHT(x) ((x) << 11)
+# define R300_TX_NUM_LEVELS(x) ((x) << 26)
+
+#define R300_TX_FORMAT1_0 0x44C0
+ /* The interpretation of the format word by Wladimir van der Laan */
+ /* The X, Y, Z and W refer to the layout of the components.
+ They are given meanings as R, G, B and Alpha by the swizzle
+ specification */
+# define R300_TX_FORMAT_X8 0x0
+# define R300_TX_FORMAT_X16 0x1
+# define R300_TX_FORMAT_Y4X4 0x2
+# define R300_TX_FORMAT_Y8X8 0x3
+# define R300_TX_FORMAT_Y16X16 0x4
+# define R300_TX_FORMAT_Z3Y3X2 0x5
+# define R300_TX_FORMAT_Z5Y6X5 0x6
+# define R300_TX_FORMAT_Z6Y5X5 0x7
+# define R300_TX_FORMAT_Z11Y11X10 0x8
+# define R300_TX_FORMAT_Z10Y11X11 0x9
+# define R300_TX_FORMAT_W4Z4Y4X4 0xA
+# define R300_TX_FORMAT_W1Z5Y5X5 0xB
+# define R300_TX_FORMAT_W8Z8Y8X8 0xC
+# define R300_TX_FORMAT_W2Z10Y10X10 0xD
+# define R300_TX_FORMAT_W16Z16Y16X16 0xE
+# define R300_TX_FORMAT_DXT1 0xF
+# define R300_TX_FORMAT_DXT3 0x10
+# define R300_TX_FORMAT_DXT5 0x11
+# define R300_TX_FORMAT_Y8 0x12
+# define R300_TX_FORMAT_AVYU444 0x13
+# define R300_TX_FORMAT_VYUY422 0x14
+# define R300_TX_FORMAT_YVYU422 0x15
+# define R300_TX_FORMAT_16_MPEG 0x16
+# define R300_TX_FORMAT_16_16_MPEG 0x17
+# define R300_TX_FORMAT_16F 0x18
+# define R300_TX_FORMAT_16F_16F 0x19
+# define R300_TX_FORMAT_16F_16F_16F_16F 0x1A
+# define R300_TX_FORMAT_32F 0x1B
+# define R300_TX_FORMAT_32F_32F 0x1C
+# define R300_TX_FORMAT_32F_32F_32F_32F 0x1D
+# define R300_TX_FORMAT_W24_FP 0x1E
+
+# define R300_TX_FORMAT_SIGNED_W (1 << 5)
+# define R300_TX_FORMAT_SIGNED_Z (1 << 6)
+# define R300_TX_FORMAT_SIGNED_Y (1 << 7)
+# define R300_TX_FORMAT_SIGNED_X (1 << 8)
+# define R300_TX_FORMAT_SIGNED (0xf << 5)
+
+# define R300_TX_FORMAT_3D (1 << 25)
+# define R300_TX_FORMAT_CUBIC_MAP (2 << 25)
+
+ /* alpha modes, convenience mostly */
+ /* if you have alpha, pick constant appropriate to the
+ number of channels (1 for I8, 2 for I8A8, 4 for R8G8B8A8, etc */
+# define R300_TX_FORMAT_ALPHA_1CH 0x000
+# define R300_TX_FORMAT_ALPHA_2CH 0x200
+# define R300_TX_FORMAT_ALPHA_4CH 0x600
+# define R300_TX_FORMAT_ALPHA_NONE 0xA00
+ /* Swizzling */
+ /* constants */
+# define R300_TX_FORMAT_X 0
+# define R300_TX_FORMAT_Y 1
+# define R300_TX_FORMAT_Z 2
+# define R300_TX_FORMAT_W 3
+# define R300_TX_FORMAT_ZERO 4
+# define R300_TX_FORMAT_ONE 5
+ /* 2.0*Z, everything above 1.0 is set to 0.0 */
+# define R300_TX_FORMAT_CUT_Z 6
+ /* 2.0*W, everything above 1.0 is set to 0.0 */
+# define R300_TX_FORMAT_CUT_W 7
+
+# define R300_TX_FORMAT_B_SHIFT 18
+# define R300_TX_FORMAT_G_SHIFT 15
+# define R300_TX_FORMAT_R_SHIFT 12
+# define R300_TX_FORMAT_A_SHIFT 9
+ /* Convenience macro to take care of layout and swizzling */
+# define R300_EASY_TX_FORMAT(B, G, R, A, FMT) ( \
+ ((R300_TX_FORMAT_##B)<<R300_TX_FORMAT_B_SHIFT) \
+ | ((R300_TX_FORMAT_##G)<<R300_TX_FORMAT_G_SHIFT) \
+ | ((R300_TX_FORMAT_##R)<<R300_TX_FORMAT_R_SHIFT) \
+ | ((R300_TX_FORMAT_##A)<<R300_TX_FORMAT_A_SHIFT) \
+ | (R300_TX_FORMAT_##FMT) \
+ )
+ /* These can be ORed with result of R300_EASY_TX_FORMAT()
+ We don't really know what they do. Take values from a
+ constant color ? */
+# define R300_TX_FORMAT_CONST_X (1<<5)
+# define R300_TX_FORMAT_CONST_Y (2<<5)
+# define R300_TX_FORMAT_CONST_Z (4<<5)
+# define R300_TX_FORMAT_CONST_W (8<<5)
+
+# define R300_TX_FORMAT_GAMMA (1 << 21)
+# define R300_TX_FORMAT_YUV_TO_RGB (1 << 22)
+
+#define R300_TX_FORMAT2_0 0x4500 /* obvious missing in gap */
+# define R300_TX_PITCHMASK_SHIFT 0
+# define R300_TX_PITCHMASK_MASK (2047 << 0)
+# define R500_TXFORMAT_MSB (1 << 14)
+# define R500_TXWIDTH_BIT11 (1 << 15)
+# define R500_TXHEIGHT_BIT11 (1 << 16)
+# define R500_POW2FIX2FLT (1 << 17)
+# define R500_SEL_FILTER4_TC0 (0 << 18)
+# define R500_SEL_FILTER4_TC1 (1 << 18)
+# define R500_SEL_FILTER4_TC2 (2 << 18)
+# define R500_SEL_FILTER4_TC3 (3 << 18)
+
+#define R300_TX_OFFSET_0 0x4540
+#define R300_TX_OFFSET_1 0x4544
+#define R300_TX_OFFSET_2 0x4548
+#define R300_TX_OFFSET_3 0x454C
+#define R300_TX_OFFSET_4 0x4550
+#define R300_TX_OFFSET_5 0x4554
+#define R300_TX_OFFSET_6 0x4558
+#define R300_TX_OFFSET_7 0x455C
+ /* BEGIN: Guess from R200 */
+# define R300_TXO_ENDIAN_NO_SWAP (0 << 0)
+# define R300_TXO_ENDIAN_BYTE_SWAP (1 << 0)
+# define R300_TXO_ENDIAN_WORD_SWAP (2 << 0)
+# define R300_TXO_ENDIAN_HALFDW_SWAP (3 << 0)
+# define R300_TXO_MACRO_TILE (1 << 2)
+# define R300_TXO_MICRO_TILE_LINEAR (0 << 3)
+# define R300_TXO_MICRO_TILE (1 << 3)
+# define R300_TXO_MICRO_TILE_SQUARE (2 << 3)
+# define R300_TXO_OFFSET_MASK 0xffffffe0
+# define R300_TXO_OFFSET_SHIFT 5
+ /* END: Guess from R200 */
+
+/* 32 bit chroma key */
+#define R300_TX_CHROMA_KEY_0 0x4580
+#define R300_TX_CHROMA_KEY_1 0x4584
+#define R300_TX_CHROMA_KEY_2 0x4588
+#define R300_TX_CHROMA_KEY_3 0x458c
+#define R300_TX_CHROMA_KEY_4 0x4590
+#define R300_TX_CHROMA_KEY_5 0x4594
+#define R300_TX_CHROMA_KEY_6 0x4598
+#define R300_TX_CHROMA_KEY_7 0x459c
+#define R300_TX_CHROMA_KEY_8 0x45a0
+#define R300_TX_CHROMA_KEY_9 0x45a4
+#define R300_TX_CHROMA_KEY_10 0x45a8
+#define R300_TX_CHROMA_KEY_11 0x45ac
+#define R300_TX_CHROMA_KEY_12 0x45b0
+#define R300_TX_CHROMA_KEY_13 0x45b4
+#define R300_TX_CHROMA_KEY_14 0x45b8
+#define R300_TX_CHROMA_KEY_15 0x45bc
+/* ff00ff00 == { 0, 1.0, 0, 1.0 } */
+
+/* Border Color */
+#define R300_TX_BORDER_COLOR_0 0x45c0
+#define R300_TX_BORDER_COLOR_1 0x45c4
+#define R300_TX_BORDER_COLOR_2 0x45c8
+#define R300_TX_BORDER_COLOR_3 0x45cc
+#define R300_TX_BORDER_COLOR_4 0x45d0
+#define R300_TX_BORDER_COLOR_5 0x45d4
+#define R300_TX_BORDER_COLOR_6 0x45d8
+#define R300_TX_BORDER_COLOR_7 0x45dc
+#define R300_TX_BORDER_COLOR_8 0x45e0
+#define R300_TX_BORDER_COLOR_9 0x45e4
+#define R300_TX_BORDER_COLOR_10 0x45e8
+#define R300_TX_BORDER_COLOR_11 0x45ec
+#define R300_TX_BORDER_COLOR_12 0x45f0
+#define R300_TX_BORDER_COLOR_13 0x45f4
+#define R300_TX_BORDER_COLOR_14 0x45f8
+#define R300_TX_BORDER_COLOR_15 0x45fc
+
+
+/* END: Texture specification */
+
+/* BEGIN: Fragment program instruction set */
+
+/* Fragment programs are written directly into register space.
+ * There are separate instruction streams for texture instructions and ALU
+ * instructions.
+ * In order to synchronize these streams, the program is divided into up
+ * to 4 nodes. Each node begins with a number of TEX operations, followed
+ * by a number of ALU operations.
+ * The first node can have zero TEX ops, all subsequent nodes must have at
+ * least
+ * one TEX ops.
+ * All nodes must have at least one ALU op.
+ *
+ * The index of the last node is stored in PFS_CNTL_0: A value of 0 means
+ * 1 node, a value of 3 means 4 nodes.
+ * The total amount of instructions is defined in PFS_CNTL_2. The offsets are
+ * offsets into the respective instruction streams, while *_END points to the
+ * last instruction relative to this offset.
+ */
+#define R300_US_CONFIG 0x4600
+# define R300_PFS_CNTL_LAST_NODES_SHIFT 0
+# define R300_PFS_CNTL_LAST_NODES_MASK (3 << 0)
+# define R300_PFS_CNTL_FIRST_NODE_HAS_TEX (1 << 3)
+#define R300_US_PIXSIZE 0x4604
+/* There is an unshifted value here which has so far always been equal to the
+ * index of the highest used temporary register.
+ */
+#define R300_US_CODE_OFFSET 0x4608
+# define R300_PFS_CNTL_ALU_OFFSET_SHIFT 0
+# define R300_PFS_CNTL_ALU_OFFSET_MASK (63 << 0)
+# define R300_PFS_CNTL_ALU_END_SHIFT 6
+# define R300_PFS_CNTL_ALU_END_MASK (63 << 6)
+# define R300_PFS_CNTL_TEX_OFFSET_SHIFT 13
+# define R300_PFS_CNTL_TEX_OFFSET_MASK (31 << 13)
+# define R300_PFS_CNTL_TEX_END_SHIFT 18
+# define R300_PFS_CNTL_TEX_END_MASK (31 << 18)
+
+/* gap */
+
+/* Nodes are stored backwards. The last active node is always stored in
+ * PFS_NODE_3.
+ * Example: In a 2-node program, NODE_0 and NODE_1 are set to 0. The
+ * first node is stored in NODE_2, the second node is stored in NODE_3.
+ *
+ * Offsets are relative to the master offset from PFS_CNTL_2.
+ */
+#define R300_US_CODE_ADDR_0 0x4610
+#define R300_US_CODE_ADDR_1 0x4614
+#define R300_US_CODE_ADDR_2 0x4618
+#define R300_US_CODE_ADDR_3 0x461C
+# define R300_ALU_START_SHIFT 0
+# define R300_ALU_START_MASK (63 << 0)
+# define R300_ALU_SIZE_SHIFT 6
+# define R300_ALU_SIZE_MASK (63 << 6)
+# define R300_TEX_START_SHIFT 12
+# define R300_TEX_START_MASK (31 << 12)
+# define R300_TEX_SIZE_SHIFT 17
+# define R300_TEX_SIZE_MASK (31 << 17)
+# define R300_RGBA_OUT (1 << 22)
+# define R300_W_OUT (1 << 23)
+
+/* TEX
+ * As far as I can tell, texture instructions cannot write into output
+ * registers directly. A subsequent ALU instruction is always necessary,
+ * even if it's just MAD o0, r0, 1, 0
+ */
+#define R300_US_TEX_INST_0 0x4620
+# define R300_SRC_ADDR_SHIFT 0
+# define R300_SRC_ADDR_MASK (31 << 0)
+# define R300_DST_ADDR_SHIFT 6
+# define R300_DST_ADDR_MASK (31 << 6)
+# define R300_TEX_ID_SHIFT 11
+# define R300_TEX_ID_MASK (15 << 11)
+# define R300_TEX_INST_SHIFT 15
+# define R300_TEX_OP_NOP 0
+# define R300_TEX_OP_LD 1
+# define R300_TEX_OP_KIL 2
+# define R300_TEX_OP_TXP 3
+# define R300_TEX_OP_TXB 4
+# define R300_TEX_INST_MASK (7 << 15)
+
+/* Output format from the unfied shader */
+#define R300_US_OUT_FMT_0 0x46A4
+# define R300_US_OUT_FMT_C4_8 (0 << 0)
+# define R300_US_OUT_FMT_C4_10 (1 << 0)
+# define R300_US_OUT_FMT_C4_10_GAMMA (2 << 0)
+# define R300_US_OUT_FMT_C_16 (3 << 0)
+# define R300_US_OUT_FMT_C2_16 (4 << 0)
+# define R300_US_OUT_FMT_C4_16 (5 << 0)
+# define R300_US_OUT_FMT_C_16_MPEG (6 << 0)
+# define R300_US_OUT_FMT_C2_16_MPEG (7 << 0)
+# define R300_US_OUT_FMT_C2_4 (8 << 0)
+# define R300_US_OUT_FMT_C_3_3_2 (9 << 0)
+# define R300_US_OUT_FMT_C_6_5_6 (10 << 0)
+# define R300_US_OUT_FMT_C_11_11_10 (11 << 0)
+# define R300_US_OUT_FMT_C_10_11_11 (12 << 0)
+# define R300_US_OUT_FMT_C_2_10_10_10 (13 << 0)
+/* reserved */
+# define R300_US_OUT_FMT_UNUSED (15 << 0)
+# define R300_US_OUT_FMT_C_16_FP (16 << 0)
+# define R300_US_OUT_FMT_C2_16_FP (17 << 0)
+# define R300_US_OUT_FMT_C4_16_FP (18 << 0)
+# define R300_US_OUT_FMT_C_32_FP (19 << 0)
+# define R300_US_OUT_FMT_C2_32_FP (20 << 0)
+# define R300_US_OUT_FMT_C4_32_FP (21 << 0)
+# define R300_C0_SEL_A (0 << 8)
+# define R300_C0_SEL_R (1 << 8)
+# define R300_C0_SEL_G (2 << 8)
+# define R300_C0_SEL_B (3 << 8)
+# define R300_C1_SEL_A (0 << 10)
+# define R300_C1_SEL_R (1 << 10)
+# define R300_C1_SEL_G (2 << 10)
+# define R300_C1_SEL_B (3 << 10)
+# define R300_C2_SEL_A (0 << 12)
+# define R300_C2_SEL_R (1 << 12)
+# define R300_C2_SEL_G (2 << 12)
+# define R300_C2_SEL_B (3 << 12)
+# define R300_C3_SEL_A (0 << 14)
+# define R300_C3_SEL_R (1 << 14)
+# define R300_C3_SEL_G (2 << 14)
+# define R300_C3_SEL_B (3 << 14)
+# define R300_OUT_SIGN(x) ((x) << 16)
+# define R500_ROUND_ADJ (1 << 20)
+
+/* ALU
+ * The ALU instructions register blocks are enumerated according to the order
+ * in which fglrx. I assume there is space for 64 instructions, since
+ * each block has space for a maximum of 64 DWORDs, and this matches reported
+ * native limits.
+ *
+ * The basic functional block seems to be one MAD for each color and alpha,
+ * and an adder that adds all components after the MUL.
+ * - ADD, MUL, MAD etc.: use MAD with appropriate neutral operands
+ * - DP4: Use OUTC_DP4, OUTA_DP4
+ * - DP3: Use OUTC_DP3, OUTA_DP4, appropriate alpha operands
+ * - DPH: Use OUTC_DP4, OUTA_DP4, appropriate alpha operands
+ * - CMPH: If ARG2 > 0.5, return ARG0, else return ARG1
+ * - CMP: If ARG2 < 0, return ARG1, else return ARG0
+ * - FLR: use FRC+MAD
+ * - XPD: use MAD+MAD
+ * - SGE, SLT: use MAD+CMP
+ * - RSQ: use ABS modifier for argument
+ * - Use OUTC_REPL_ALPHA to write results of an alpha-only operation
+ * (e.g. RCP) into color register
+ * - apparently, there's no quick DST operation
+ * - fglrx set FPI2_UNKNOWN_31 on a "MAD fragment.color, tmp0, tmp1, tmp2"
+ * - fglrx set FPI2_UNKNOWN_31 on a "MAX r2, r1, c0"
+ * - fglrx once set FPI0_UNKNOWN_31 on a "FRC r1, r1"
+ *
+ * Operand selection
+ * First stage selects three sources from the available registers and
+ * constant parameters. This is defined in INSTR1 (color) and INSTR3 (alpha).
+ * fglrx sorts the three source fields: Registers before constants,
+ * lower indices before higher indices; I do not know whether this is
+ * necessary.
+ *
+ * fglrx fills unused sources with "read constant 0"
+ * According to specs, you cannot select more than two different constants.
+ *
+ * Second stage selects the operands from the sources. This is defined in
+ * INSTR0 (color) and INSTR2 (alpha). You can also select the special constants
+ * zero and one.
+ * Swizzling and negation happens in this stage, as well.
+ *
+ * Important: Color and alpha seem to be mostly separate, i.e. their sources
+ * selection appears to be fully independent (the register storage is probably
+ * physically split into a color and an alpha section).
+ * However (because of the apparent physical split), there is some interaction
+ * WRT swizzling. If, for example, you want to load an R component into an
+ * Alpha operand, this R component is taken from a *color* source, not from
+ * an alpha source. The corresponding register doesn't even have to appear in
+ * the alpha sources list. (I hope this all makes sense to you)
+ *
+ * Destination selection
+ * The destination register index is in FPI1 (color) and FPI3 (alpha)
+ * together with enable bits.
+ * There are separate enable bits for writing into temporary registers
+ * (DSTC_REG_* /DSTA_REG) and and program output registers (DSTC_OUTPUT_*
+ * /DSTA_OUTPUT). You can write to both at once, or not write at all (the
+ * same index must be used for both).
+ *
+ * Note: There is a special form for LRP
+ * - Argument order is the same as in ARB_fragment_program.
+ * - Operation is MAD
+ * - ARG1 is set to ARGC_SRC1C_LRP/ARGC_SRC1A_LRP
+ * - Set FPI0/FPI2_SPECIAL_LRP
+ * Arbitrary LRP (including support for swizzling) requires vanilla MAD+MAD
+ */
+#define R300_US_ALU_RGB_ADDR_0 0x46C0
+# define R300_ALU_SRC0C_SHIFT 0
+# define R300_ALU_SRC0C_MASK (31 << 0)
+# define R300_ALU_SRC0C_CONST (1 << 5)
+# define R300_ALU_SRC1C_SHIFT 6
+# define R300_ALU_SRC1C_MASK (31 << 6)
+# define R300_ALU_SRC1C_CONST (1 << 11)
+# define R300_ALU_SRC2C_SHIFT 12
+# define R300_ALU_SRC2C_MASK (31 << 12)
+# define R300_ALU_SRC2C_CONST (1 << 17)
+# define R300_ALU_SRC_MASK 0x0003ffff
+# define R300_ALU_DSTC_SHIFT 18
+# define R300_ALU_DSTC_MASK (31 << 18)
+# define R300_ALU_DSTC_REG_MASK_SHIFT 23
+# define R300_ALU_DSTC_REG_X (1 << 23)
+# define R300_ALU_DSTC_REG_Y (1 << 24)
+# define R300_ALU_DSTC_REG_Z (1 << 25)
+# define R300_ALU_DSTC_OUTPUT_MASK_SHIFT 26
+# define R300_ALU_DSTC_OUTPUT_X (1 << 26)
+# define R300_ALU_DSTC_OUTPUT_Y (1 << 27)
+# define R300_ALU_DSTC_OUTPUT_Z (1 << 28)
+# define R300_ALU_DSTC_OUTPUT_XYZ (7 << 26)
+# define R300_RGB_ADDR0(x) ((x) << 0)
+# define R300_RGB_ADDR1(x) ((x) << 6)
+# define R300_RGB_ADDR2(x) ((x) << 12)
+
+#define R300_US_ALU_ALPHA_ADDR_0 0x47C0
+# define R300_ALU_SRC0A_SHIFT 0
+# define R300_ALU_SRC0A_MASK (31 << 0)
+# define R300_ALU_SRC0A_CONST (1 << 5)
+# define R300_ALU_SRC1A_SHIFT 6
+# define R300_ALU_SRC1A_MASK (31 << 6)
+# define R300_ALU_SRC1A_CONST (1 << 11)
+# define R300_ALU_SRC2A_SHIFT 12
+# define R300_ALU_SRC2A_MASK (31 << 12)
+# define R300_ALU_SRC2A_CONST (1 << 17)
+# define R300_ALU_SRC_MASK 0x0003ffff
+# define R300_ALU_DSTA_SHIFT 18
+# define R300_ALU_DSTA_MASK (31 << 18)
+# define R300_ALU_DSTA_REG (1 << 23)
+# define R300_ALU_DSTA_OUTPUT (1 << 24)
+# define R300_ALU_DSTA_DEPTH (1 << 27)
+# define R300_ALPHA_ADDR0(x) ((x) << 0)
+# define R300_ALPHA_ADDR1(x) ((x) << 6)
+# define R300_ALPHA_ADDR2(x) ((x) << 12)
+
+#define R300_US_ALU_RGB_INST_0 0x48C0
+# define R300_ALU_ARGC_SRC0C_XYZ 0
+# define R300_ALU_ARGC_SRC0C_XXX 1
+# define R300_ALU_ARGC_SRC0C_YYY 2
+# define R300_ALU_ARGC_SRC0C_ZZZ 3
+# define R300_ALU_ARGC_SRC1C_XYZ 4
+# define R300_ALU_ARGC_SRC1C_XXX 5
+# define R300_ALU_ARGC_SRC1C_YYY 6
+# define R300_ALU_ARGC_SRC1C_ZZZ 7
+# define R300_ALU_ARGC_SRC2C_XYZ 8
+# define R300_ALU_ARGC_SRC2C_XXX 9
+# define R300_ALU_ARGC_SRC2C_YYY 10
+# define R300_ALU_ARGC_SRC2C_ZZZ 11
+# define R300_ALU_ARGC_SRC0A 12
+# define R300_ALU_ARGC_SRC1A 13
+# define R300_ALU_ARGC_SRC2A 14
+# define R300_ALU_ARGC_SRCP_XYZ 15
+# define R300_ALU_ARGC_SRCP_XXX 16
+# define R300_ALU_ARGC_SRCP_YYY 17
+# define R300_ALU_ARGC_SRCP_ZZZ 18
+# define R300_ALU_ARGC_SRCP_WWW 19
+# define R300_ALU_ARGC_ZERO 20
+# define R300_ALU_ARGC_ONE 21
+# define R300_ALU_ARGC_HALF 22
+# define R300_ALU_ARGC_SRC0C_YZX 23
+# define R300_ALU_ARGC_SRC1C_YZX 24
+# define R300_ALU_ARGC_SRC2C_YZX 25
+# define R300_ALU_ARGC_SRC0C_ZXY 26
+# define R300_ALU_ARGC_SRC1C_ZXY 27
+# define R300_ALU_ARGC_SRC2C_ZXY 28
+# define R300_ALU_ARGC_SRC0CA_WZY 29
+# define R300_ALU_ARGC_SRC1CA_WZY 30
+# define R300_ALU_ARGC_SRC2CA_WZY 31
+# define R300_RGB_SWIZA(x) ((x) << 0)
+# define R300_RGB_SWIZB(x) ((x) << 7)
+# define R300_RGB_SWIZC(x) ((x) << 14)
+
+# define R300_ALU_ARG0C_SHIFT 0
+# define R300_ALU_ARG0C_MASK (31 << 0)
+# define R300_ALU_ARG0C_NOP (0 << 5)
+# define R300_ALU_ARG0C_NEG (1 << 5)
+# define R300_ALU_ARG0C_ABS (2 << 5)
+# define R300_ALU_ARG0C_NAB (3 << 5)
+# define R300_ALU_ARG1C_SHIFT 7
+# define R300_ALU_ARG1C_MASK (31 << 7)
+# define R300_ALU_ARG1C_NOP (0 << 12)
+# define R300_ALU_ARG1C_NEG (1 << 12)
+# define R300_ALU_ARG1C_ABS (2 << 12)
+# define R300_ALU_ARG1C_NAB (3 << 12)
+# define R300_ALU_ARG2C_SHIFT 14
+# define R300_ALU_ARG2C_MASK (31 << 14)
+# define R300_ALU_ARG2C_NOP (0 << 19)
+# define R300_ALU_ARG2C_NEG (1 << 19)
+# define R300_ALU_ARG2C_ABS (2 << 19)
+# define R300_ALU_ARG2C_NAB (3 << 19)
+# define R300_ALU_SRCP_1_MINUS_2_SRC0 (0 << 21)
+# define R300_ALU_SRCP_SRC1_MINUS_SRC0 (1 << 21)
+# define R300_ALU_SRCP_SRC1_PLUS_SRC0 (2 << 21)
+# define R300_ALU_SRCP_1_MINUS_SRC0 (3 << 21)
+
+# define R300_ALU_OUTC_MAD (0 << 23)
+# define R300_ALU_OUTC_DP3 (1 << 23)
+# define R300_ALU_OUTC_DP4 (2 << 23)
+# define R300_ALU_OUTC_D2A (3 << 23)
+# define R300_ALU_OUTC_MIN (4 << 23)
+# define R300_ALU_OUTC_MAX (5 << 23)
+# define R300_ALU_OUTC_CMPH (7 << 23)
+# define R300_ALU_OUTC_CMP (8 << 23)
+# define R300_ALU_OUTC_FRC (9 << 23)
+# define R300_ALU_OUTC_REPL_ALPHA (10 << 23)
+
+# define R300_ALU_OUTC_MOD_NOP (0 << 27)
+# define R300_ALU_OUTC_MOD_MUL2 (1 << 27)
+# define R300_ALU_OUTC_MOD_MUL4 (2 << 27)
+# define R300_ALU_OUTC_MOD_MUL8 (3 << 27)
+# define R300_ALU_OUTC_MOD_DIV2 (4 << 27)
+# define R300_ALU_OUTC_MOD_DIV4 (5 << 27)
+# define R300_ALU_OUTC_MOD_DIV8 (6 << 27)
+
+# define R300_ALU_OUTC_CLAMP (1 << 30)
+# define R300_ALU_INSERT_NOP (1 << 31)
+
+#define R300_US_ALU_ALPHA_INST_0 0x49C0
+# define R300_ALU_ARGA_SRC0C_X 0
+# define R300_ALU_ARGA_SRC0C_Y 1
+# define R300_ALU_ARGA_SRC0C_Z 2
+# define R300_ALU_ARGA_SRC1C_X 3
+# define R300_ALU_ARGA_SRC1C_Y 4
+# define R300_ALU_ARGA_SRC1C_Z 5
+# define R300_ALU_ARGA_SRC2C_X 6
+# define R300_ALU_ARGA_SRC2C_Y 7
+# define R300_ALU_ARGA_SRC2C_Z 8
+# define R300_ALU_ARGA_SRC0A 9
+# define R300_ALU_ARGA_SRC1A 10
+# define R300_ALU_ARGA_SRC2A 11
+# define R300_ALU_ARGA_SRCP_X 12
+# define R300_ALU_ARGA_SRCP_Y 13
+# define R300_ALU_ARGA_SRCP_Z 14
+# define R300_ALU_ARGA_SRCP_W 15
+# define R300_ALU_ARGA_ZERO 16
+# define R300_ALU_ARGA_ONE 17
+# define R300_ALU_ARGA_HALF 18
+# define R300_ALPHA_SWIZA(x) ((x) << 0)
+# define R300_ALPHA_SWIZB(x) ((x) << 7)
+# define R300_ALPHA_SWIZC(x) ((x) << 14)
+
+# define R300_ALU_ARG0A_SHIFT 0
+# define R300_ALU_ARG0A_MASK (31 << 0)
+# define R300_ALU_ARG0A_NOP (0 << 5)
+# define R300_ALU_ARG0A_NEG (1 << 5)
+# define R300_ALU_ARG0A_ABS (2 << 5)
+# define R300_ALU_ARG0A_NAB (3 << 5)
+# define R300_ALU_ARG1A_SHIFT 7
+# define R300_ALU_ARG1A_MASK (31 << 7)
+# define R300_ALU_ARG1A_NOP (0 << 12)
+# define R300_ALU_ARG1A_NEG (1 << 12)
+# define R300_ALU_ARG1A_ABS (2 << 12)
+# define R300_ALU_ARG1A_NAB (3 << 12)
+# define R300_ALU_ARG2A_SHIFT 14
+# define R300_ALU_ARG2A_MASK (31 << 14)
+# define R300_ALU_ARG2A_NOP (0 << 19)
+# define R300_ALU_ARG2A_NEG (1 << 19)
+# define R300_ALU_ARG2A_ABS (2 << 19)
+# define R300_ALU_ARG2A_NAB (3 << 19)
+# define R300_ALU_SRCP_1_MINUS_2_SRC0 (0 << 21)
+# define R300_ALU_SRCP_SRC1_MINUS_SRC0 (1 << 21)
+# define R300_ALU_SRCP_SRC1_PLUS_SRC0 (2 << 21)
+# define R300_ALU_SRCP_1_MINUS_SRC0 (3 << 21)
+
+# define R300_ALU_OUTA_MAD (0 << 23)
+# define R300_ALU_OUTA_DP4 (1 << 23)
+# define R300_ALU_OUTA_MIN (2 << 23)
+# define R300_ALU_OUTA_MAX (3 << 23)
+# define R300_ALU_OUTA_CND (5 << 23)
+# define R300_ALU_OUTA_CMP (6 << 23)
+# define R300_ALU_OUTA_FRC (7 << 23)
+# define R300_ALU_OUTA_EX2 (8 << 23)
+# define R300_ALU_OUTA_LG2 (9 << 23)
+# define R300_ALU_OUTA_RCP (10 << 23)
+# define R300_ALU_OUTA_RSQ (11 << 23)
+
+# define R300_ALU_OUTA_MOD_NOP (0 << 27)
+# define R300_ALU_OUTA_MOD_MUL2 (1 << 27)
+# define R300_ALU_OUTA_MOD_MUL4 (2 << 27)
+# define R300_ALU_OUTA_MOD_MUL8 (3 << 27)
+# define R300_ALU_OUTA_MOD_DIV2 (4 << 27)
+# define R300_ALU_OUTA_MOD_DIV4 (5 << 27)
+# define R300_ALU_OUTA_MOD_DIV8 (6 << 27)
+
+# define R300_ALU_OUTA_CLAMP (1 << 30)
+/* END: Fragment program instruction set */
+
+/* Fog: Fog Blending Enable */
+#define R300_FG_FOG_BLEND 0x4bc0
+# define R300_FG_FOG_BLEND_DISABLE (0 << 0)
+# define R300_FG_FOG_BLEND_ENABLE (1 << 0)
+# define R300_FG_FOG_BLEND_FN_LINEAR (0 << 1)
+# define R300_FG_FOG_BLEND_FN_EXP (1 << 1)
+# define R300_FG_FOG_BLEND_FN_EXP2 (2 << 1)
+# define R300_FG_FOG_BLEND_FN_CONSTANT (3 << 1)
+# define R300_FG_FOG_BLEND_FN_MASK (3 << 1)
+
+/* Fog: Red Component of Fog Color */
+#define R300_FG_FOG_COLOR_R 0x4bc8
+/* Fog: Green Component of Fog Color */
+#define R300_FG_FOG_COLOR_G 0x4bcc
+/* Fog: Blue Component of Fog Color */
+#define R300_FG_FOG_COLOR_B 0x4bd0
+# define R300_FG_FOG_COLOR_MASK 0x000003ff
+
+/* Fog: Constant Factor for Fog Blending */
+#define R300_FG_FOG_FACTOR 0x4bc4
+# define FG_FOG_FACTOR_MASK 0x000003ff
+
+/* Fog: Alpha function */
+#define R300_FG_ALPHA_FUNC 0x4bd4
+# define R300_FG_ALPHA_FUNC_VAL_MASK 0x000000ff
+# define R300_FG_ALPHA_FUNC_NEVER (0 << 8)
+# define R300_FG_ALPHA_FUNC_LESS (1 << 8)
+# define R300_FG_ALPHA_FUNC_EQUAL (2 << 8)
+# define R300_FG_ALPHA_FUNC_LE (3 << 8)
+# define R300_FG_ALPHA_FUNC_GREATER (4 << 8)
+# define R300_FG_ALPHA_FUNC_NOTEQUAL (5 << 8)
+# define R300_FG_ALPHA_FUNC_GE (6 << 8)
+# define R300_FG_ALPHA_FUNC_ALWAYS (7 << 8)
+# define R300_ALPHA_TEST_OP_MASK (7 << 8)
+# define R300_FG_ALPHA_FUNC_DISABLE (0 << 11)
+# define R300_FG_ALPHA_FUNC_ENABLE (1 << 11)
+
+# define R500_FG_ALPHA_FUNC_10BIT (0 << 12)
+# define R500_FG_ALPHA_FUNC_8BIT (1 << 12)
+
+# define R300_FG_ALPHA_FUNC_MASK_DISABLE (0 << 16)
+# define R300_FG_ALPHA_FUNC_MASK_ENABLE (1 << 16)
+# define R300_FG_ALPHA_FUNC_CFG_2_OF_4 (0 << 17)
+# define R300_FG_ALPHA_FUNC_CFG_3_OF_6 (1 << 17)
+
+# define R300_FG_ALPHA_FUNC_DITH_DISABLE (0 << 20)
+# define R300_FG_ALPHA_FUNC_DITH_ENABLE (1 << 20)
+
+# define R500_FG_ALPHA_FUNC_OFFSET_DISABLE (0 << 24)
+# define R500_FG_ALPHA_FUNC_OFFSET_ENABLE (1 << 24) /* Not supported in R520 */
+# define R500_FG_ALPHA_FUNC_DISC_ZERO_MASK_DISABLE (0 << 25)
+# define R500_FG_ALPHA_FUNC_DISC_ZERO_MASK_ENABLE (1 << 25)
+
+# define R500_FG_ALPHA_FUNC_FP16_DISABLE (0 << 28)
+# define R500_FG_ALPHA_FUNC_FP16_ENABLE (1 << 28)
+
+
+/* Fog: Where does the depth come from? */
+#define R300_FG_DEPTH_SRC 0x4bd8
+# define R300_FG_DEPTH_SRC_SCAN (0 << 0)
+# define R300_FG_DEPTH_SRC_SHADER (1 << 0)
+
+/* Fog: Alpha Compare Value */
+#define R500_FG_ALPHA_VALUE 0x4be0
+# define R500_FG_ALPHA_VALUE_MASK 0x0000ffff
+
+/* gap */
+
+/* Fragment program parameters in 7.16 floating point */
+#define R300_PFS_PARAM_0_X 0x4C00
+#define R300_PFS_PARAM_0_Y 0x4C04
+#define R300_PFS_PARAM_0_Z 0x4C08
+#define R300_PFS_PARAM_0_W 0x4C0C
+/* last consts */
+#define R300_PFS_PARAM_31_X 0x4DF0
+#define R300_PFS_PARAM_31_Y 0x4DF4
+#define R300_PFS_PARAM_31_Z 0x4DF8
+#define R300_PFS_PARAM_31_W 0x4DFC
+
+/* Unpipelined. */
+#define R300_RB3D_CCTL 0x4e00
+# define R300_RB3D_CCTL_NUM_MULTIWRITES_1_BUFFER (0 << 5)
+# define R300_RB3D_CCTL_NUM_MULTIWRITES_2_BUFFERS (1 << 5)
+# define R300_RB3D_CCTL_NUM_MULTIWRITES_3_BUFFERS (2 << 5)
+# define R300_RB3D_CCTL_NUM_MULTIWRITES_4_BUFFERS (3 << 5)
+# define R300_RB3D_CCTL_CLRCMP_FLIPE_DISABLE (0 << 7)
+# define R300_RB3D_CCTL_CLRCMP_FLIPE_ENABLE (1 << 7)
+# define R300_RB3D_CCTL_AA_COMPRESSION_DISABLE (0 << 9)
+# define R300_RB3D_CCTL_AA_COMPRESSION_ENABLE (1 << 9)
+# define R300_RB3D_CCTL_CMASK_DISABLE (0 << 10)
+# define R300_RB3D_CCTL_CMASK_ENABLE (1 << 10)
+/* reserved */
+# define R300_RB3D_CCTL_INDEPENDENT_COLOR_CHANNEL_MASK_DISABLE (0 << 12)
+# define R300_RB3D_CCTL_INDEPENDENT_COLOR_CHANNEL_MASK_ENABLE (1 << 12)
+# define R300_RB3D_CCTL_WRITE_COMPRESSION_ENABLE (0 << 13)
+# define R300_RB3D_CCTL_WRITE_COMPRESSION_DISABLE (1 << 13)
+# define R300_RB3D_CCTL_INDEPENDENT_COLORFORMAT_ENABLE_DISABLE (0 << 14)
+# define R300_RB3D_CCTL_INDEPENDENT_COLORFORMAT_ENABLE_ENABLE (1 << 14)
+
+
+/* Notes:
+ * - AFAIK fglrx always sets BLEND_UNKNOWN when blending is used in
+ * the application
+ * - AFAIK fglrx always sets BLEND_NO_SEPARATE when CBLEND and ABLEND
+ * are set to the same
+ * function (both registers are always set up completely in any case)
+ * - Most blend flags are simply copied from R200 and not tested yet
+ */
+#define R300_RB3D_CBLEND 0x4E04
+#define R300_RB3D_ABLEND 0x4E08
+/* the following only appear in CBLEND */
+# define R300_ALPHA_BLEND_ENABLE (1 << 0)
+# define R300_SEPARATE_ALPHA_ENABLE (1 << 1)
+# define R300_READ_ENABLE (1 << 2)
+# define R300_DISCARD_SRC_PIXELS_DIS (0 << 3)
+# define R300_DISCARD_SRC_PIXELS_SRC_ALPHA_0 (1 << 3)
+# define R300_DISCARD_SRC_PIXELS_SRC_COLOR_0 (2 << 3)
+# define R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_0 (3 << 3)
+# define R300_DISCARD_SRC_PIXELS_SRC_ALPHA_1 (4 << 3)
+# define R300_DISCARD_SRC_PIXELS_SRC_COLOR_1 (5 << 3)
+# define R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_1 (6 << 3)
+
+/* the following are shared between CBLEND and ABLEND */
+# define R300_FCN_MASK (3 << 12)
+# define R300_COMB_FCN_ADD_CLAMP (0 << 12)
+# define R300_COMB_FCN_ADD_NOCLAMP (1 << 12)
+# define R300_COMB_FCN_SUB_CLAMP (2 << 12)
+# define R300_COMB_FCN_SUB_NOCLAMP (3 << 12)
+# define R300_COMB_FCN_MIN (4 << 12)
+# define R300_COMB_FCN_MAX (5 << 12)
+# define R300_COMB_FCN_RSUB_CLAMP (6 << 12)
+# define R300_COMB_FCN_RSUB_NOCLAMP (7 << 12)
+# define R300_BLEND_GL_ZERO (32)
+# define R300_BLEND_GL_ONE (33)
+# define R300_BLEND_GL_SRC_COLOR (34)
+# define R300_BLEND_GL_ONE_MINUS_SRC_COLOR (35)
+# define R300_BLEND_GL_DST_COLOR (36)
+# define R300_BLEND_GL_ONE_MINUS_DST_COLOR (37)
+# define R300_BLEND_GL_SRC_ALPHA (38)
+# define R300_BLEND_GL_ONE_MINUS_SRC_ALPHA (39)
+# define R300_BLEND_GL_DST_ALPHA (40)
+# define R300_BLEND_GL_ONE_MINUS_DST_ALPHA (41)
+# define R300_BLEND_GL_SRC_ALPHA_SATURATE (42)
+# define R300_BLEND_GL_CONST_COLOR (43)
+# define R300_BLEND_GL_ONE_MINUS_CONST_COLOR (44)
+# define R300_BLEND_GL_CONST_ALPHA (45)
+# define R300_BLEND_GL_ONE_MINUS_CONST_ALPHA (46)
+# define R300_BLEND_MASK (63)
+# define R300_SRC_BLEND_SHIFT (16)
+# define R300_DST_BLEND_SHIFT (24)
+
+/* Constant color used by the blender. Pipelined through the blender.
+ * Note: For R520, this field is ignored, use RB3D_CONSTANT_COLOR_GB__BLUE,
+ * RB3D_CONSTANT_COLOR_GB__GREEN, etc. instead.
+ */
+#define R300_RB3D_BLEND_COLOR 0x4E10
+
+
+/* 3D Color Channel Mask. If all the channels used in the current color format
+ * are disabled, then the cb will discard all the incoming quads. Pipelined
+ * through the blender.
+ */
+#define RB3D_COLOR_CHANNEL_MASK 0x4E0C
+# define RB3D_COLOR_CHANNEL_MASK_BLUE_MASK0 (1 << 0)
+# define RB3D_COLOR_CHANNEL_MASK_GREEN_MASK0 (1 << 1)
+# define RB3D_COLOR_CHANNEL_MASK_RED_MASK0 (1 << 2)
+# define RB3D_COLOR_CHANNEL_MASK_ALPHA_MASK0 (1 << 3)
+# define RB3D_COLOR_CHANNEL_MASK_BLUE_MASK1 (1 << 4)
+# define RB3D_COLOR_CHANNEL_MASK_GREEN_MASK1 (1 << 5)
+# define RB3D_COLOR_CHANNEL_MASK_RED_MASK1 (1 << 6)
+# define RB3D_COLOR_CHANNEL_MASK_ALPHA_MASK1 (1 << 7)
+# define RB3D_COLOR_CHANNEL_MASK_BLUE_MASK2 (1 << 8)
+# define RB3D_COLOR_CHANNEL_MASK_GREEN_MASK2 (1 << 9)
+# define RB3D_COLOR_CHANNEL_MASK_RED_MASK2 (1 << 10)
+# define RB3D_COLOR_CHANNEL_MASK_ALPHA_MASK2 (1 << 11)
+# define RB3D_COLOR_CHANNEL_MASK_BLUE_MASK3 (1 << 12)
+# define RB3D_COLOR_CHANNEL_MASK_GREEN_MASK3 (1 << 13)
+# define RB3D_COLOR_CHANNEL_MASK_RED_MASK3 (1 << 14)
+# define RB3D_COLOR_CHANNEL_MASK_ALPHA_MASK3 (1 << 15)
+
+/* Clear color that is used when the color mask is set to 00. Unpipelined.
+ * Program this register with a 32-bit value in ARGB8888 or ARGB2101010
+ * formats, ignoring the fields.
+ */
+#define RB3D_COLOR_CLEAR_VALUE 0x4e14
+
+/* gap */
+
+/* Color Compare Color. Stalls the 2d/3d datapath until it is idle. */
+#define RB3D_CLRCMP_CLR 0x4e20
+
+/* Color Compare Mask. Stalls the 2d/3d datapath until it is idle. */
+#define RB3D_CLRCMP_MSK 0x4e24
+
+/* Color Buffer Address Offset of multibuffer 0. Unpipelined. */
+#define R300_RB3D_COLOROFFSET0 0x4E28
+# define R300_COLOROFFSET_MASK 0xFFFFFFE0
+/* Color Buffer Address Offset of multibuffer 1. Unpipelined. */
+#define R300_RB3D_COLOROFFSET1 0x4E2C
+/* Color Buffer Address Offset of multibuffer 2. Unpipelined. */
+#define R300_RB3D_COLOROFFSET2 0x4E30
+/* Color Buffer Address Offset of multibuffer 3. Unpipelined. */
+#define R300_RB3D_COLOROFFSET3 0x4E34
+
+/* Color buffer format and tiling control for all the multibuffers and the
+ * pitch of multibuffer 0 to 3. Unpipelined. The cache must be empty before any
+ * of the registers are changed.
+ *
+ * Bit 16: Larger tiles
+ * Bit 17: 4x2 tiles
+ * Bit 18: Extremely weird tile like, but some pixels duplicated?
+ */
+#define R300_RB3D_COLORPITCH0 0x4E38
+# define R300_COLORPITCH_MASK 0x00003FFE
+# define R300_COLOR_TILE_DISABLE (0 << 16)
+# define R300_COLOR_TILE_ENABLE (1 << 16)
+# define R300_COLOR_MICROTILE_DISABLE (0 << 17)
+# define R300_COLOR_MICROTILE_ENABLE (1 << 17)
+# define R300_COLOR_MICROTILE_ENABLE_SQUARE (2 << 17) /* Only available in 16-bit */
+# define R300_COLOR_ENDIAN_NO_SWAP (0 << 19)
+# define R300_COLOR_ENDIAN_WORD_SWAP (1 << 19)
+# define R300_COLOR_ENDIAN_DWORD_SWAP (2 << 19)
+# define R300_COLOR_ENDIAN_HALF_DWORD_SWAP (3 << 19)
+# define R500_COLOR_FORMAT_ARGB10101010 (0 << 21)
+# define R500_COLOR_FORMAT_UV1010 (1 << 21)
+# define R500_COLOR_FORMAT_CI8 (2 << 21) /* 2D only */
+# define R300_COLOR_FORMAT_ARGB1555 (3 << 21)
+# define R300_COLOR_FORMAT_RGB565 (4 << 21)
+# define R500_COLOR_FORMAT_ARGB2101010 (5 << 21)
+# define R300_COLOR_FORMAT_ARGB8888 (6 << 21)
+# define R300_COLOR_FORMAT_ARGB32323232 (7 << 21)
+/* reserved */
+# define R300_COLOR_FORMAT_I8 (9 << 21)
+# define R300_COLOR_FORMAT_ARGB16161616 (10 << 21)
+# define R300_COLOR_FORMAT_VYUY (11 << 21)
+# define R300_COLOR_FORMAT_YVYU (12 << 21)
+# define R300_COLOR_FORMAT_UV88 (13 << 21)
+# define R500_COLOR_FORMAT_I10 (14 << 21)
+# define R300_COLOR_FORMAT_ARGB4444 (15 << 21)
+#define R300_RB3D_COLORPITCH1 0x4E3C
+#define R300_RB3D_COLORPITCH2 0x4E40
+#define R300_RB3D_COLORPITCH3 0x4E44
+
+/* gap */
+
+/* Destination Color Buffer Cache Control/Status. If the cb is in e2 mode, then
+ * a flush or free will not occur upon a write to this register, but a sync
+ * will be immediately sent if one is requested. If both DC_FLUSH and DC_FREE
+ * are zero but DC_FINISH is one, then a sync will be sent immediately -- the
+ * cb will not wait for all the previous operations to complete before sending
+ * the sync. Unpipelined except when DC_FINISH and DC_FREE are both set to
+ * zero.
+ *
+ * Set to 0A before 3D operations, set to 02 afterwards.
+ */
+#define R300_RB3D_DSTCACHE_CTLSTAT 0x4e4c
+# define R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_NO_EFFECT (0 << 0)
+# define R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_NO_EFFECT_1 (1 << 0)
+# define R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D (2 << 0)
+# define R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D_1 (3 << 0)
+# define R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_NO_EFFECT (0 << 2)
+# define R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_NO_EFFECT_1 (1 << 2)
+# define R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS (2 << 2)
+# define R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS_1 (3 << 2)
+# define R300_RB3D_DSTCACHE_CTLSTAT_DC_FINISH_NO_SIGNAL (0 << 4)
+# define R300_RB3D_DSTCACHE_CTLSTAT_DC_FINISH_SIGNAL (1 << 4)
+
+#define R300_RB3D_DITHER_CTL 0x4E50
+# define R300_RB3D_DITHER_CTL_DITHER_MODE_TRUNCATE (0 << 0)
+# define R300_RB3D_DITHER_CTL_DITHER_MODE_ROUND (1 << 0)
+# define R300_RB3D_DITHER_CTL_DITHER_MODE_LUT (2 << 0)
+/* reserved */
+# define R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_TRUNCATE (0 << 2)
+# define R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_ROUND (1 << 2)
+# define R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT (2 << 2)
+/* reserved */
+
+/* Resolve buffer destination address. The cache must be empty before changing
+ * this register if the cb is in resolve mode. Unpipelined
+ */
+#define R300_RB3D_AARESOLVE_OFFSET 0x4e80
+# define R300_RB3D_AARESOLVE_OFFSET_SHIFT 5
+# define R300_RB3D_AARESOLVE_OFFSET_MASK 0xffffffe0 /* At least according to the calculations of Christoph Brill */
+
+/* Resolve Buffer Pitch and Tiling Control. The cache must be empty before
+ * changing this register if the cb is in resolve mode. Unpipelined
+ */
+#define R300_RB3D_AARESOLVE_PITCH 0x4e84
+# define R300_RB3D_AARESOLVE_PITCH_SHIFT 1
+# define R300_RB3D_AARESOLVE_PITCH_MASK 0x00003ffe /* At least according to the calculations of Christoph Brill */
+
+/* Resolve Buffer Control. Unpipelined */
+#define R300_RB3D_AARESOLVE_CTL 0x4e88
+# define R300_RB3D_AARESOLVE_CTL_AARESOLVE_MODE_NORMAL (0 << 0)
+# define R300_RB3D_AARESOLVE_CTL_AARESOLVE_MODE_RESOLVE (1 << 0)
+# define R300_RB3D_AARESOLVE_CTL_AARESOLVE_GAMMA_10 (0 << 1)
+# define R300_RB3D_AARESOLVE_CTL_AARESOLVE_GAMMA_22 (1 << 1)
+# define R300_RB3D_AARESOLVE_CTL_AARESOLVE_ALPHA_SAMPLE0 (0 << 2)
+# define R300_RB3D_AARESOLVE_CTL_AARESOLVE_ALPHA_AVERAGE (1 << 2)
+
+
+/* Discard src pixels less than or equal to threshold. */
+#define R500_RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD 0x4ea0
+/* Discard src pixels greater than or equal to threshold. */
+#define R500_RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD 0x4ea4
+# define R500_RB3D_DISCARD_SRC_PIXEL_THRESHOLD_BLUE_SHIFT 0
+# define R500_RB3D_DISCARD_SRC_PIXEL_THRESHOLD_BLUE_MASK 0x000000ff
+# define R500_RB3D_DISCARD_SRC_PIXEL_THRESHOLD_GREEN_SHIFT 8
+# define R500_RB3D_DISCARD_SRC_PIXEL_THRESHOLD_GREEN_MASK 0x0000ff00
+# define R500_RB3D_DISCARD_SRC_PIXEL_THRESHOLD_RED_SHIFT 16
+# define R500_RB3D_DISCARD_SRC_PIXEL_THRESHOLD_RED_MASK 0x00ff0000
+# define R500_RB3D_DISCARD_SRC_PIXEL_THRESHOLD_ALPHA_SHIFT 24
+# define R500_RB3D_DISCARD_SRC_PIXEL_THRESHOLD_ALPHA_MASK 0xff000000
+
+/* 3D ROP Control. Stalls the 2d/3d datapath until it is idle. */
+#define R300_RB3D_ROPCNTL 0x4e18
+# define R300_RB3D_ROPCNTL_ROP_ENABLE 0x00000004
+# define R300_RB3D_ROPCNTL_ROP_MASK (15 << 8)
+# define R300_RB3D_ROPCNTL_ROP_SHIFT 8
+
+/* Color Compare Flip. Stalls the 2d/3d datapath until it is idle. */
+#define R300_RB3D_CLRCMP_FLIPE 0x4e1c
+
+/* Sets the fifo sizes */
+#define R500_RB3D_FIFO_SIZE 0x4ef4
+# define R500_RB3D_FIFO_SIZE_OP_FIFO_SIZE_FULL (0 << 0)
+# define R500_RB3D_FIFO_SIZE_OP_FIFO_SIZE_HALF (1 << 0)
+# define R500_RB3D_FIFO_SIZE_OP_FIFO_SIZE_QUATER (2 << 0)
+# define R500_RB3D_FIFO_SIZE_OP_FIFO_SIZE_EIGTHS (3 << 0)
+
+/* Constant color used by the blender. Pipelined through the blender. */
+#define R500_RB3D_CONSTANT_COLOR_AR 0x4ef8
+# define R500_RB3D_CONSTANT_COLOR_AR_RED_MASK 0x0000ffff
+# define R500_RB3D_CONSTANT_COLOR_AR_RED_SHIFT 0
+# define R500_RB3D_CONSTANT_COLOR_AR_ALPHA_MASK 0xffff0000
+# define R500_RB3D_CONSTANT_COLOR_AR_ALPHA_SHIFT 16
+
+/* Constant color used by the blender. Pipelined through the blender. */
+#define R500_RB3D_CONSTANT_COLOR_GB 0x4efc
+# define R500_RB3D_CONSTANT_COLOR_AR_BLUE_MASK 0x0000ffff
+# define R500_RB3D_CONSTANT_COLOR_AR_BLUE_SHIFT 0
+# define R500_RB3D_CONSTANT_COLOR_AR_GREEN_MASK 0xffff0000
+# define R500_RB3D_CONSTANT_COLOR_AR_GREEN_SHIFT 16
+
+/* gap */
+/* There seems to be no "write only" setting, so use Z-test = ALWAYS
+ * for this.
+ * Bit (1<<8) is the "test" bit. so plain write is 6 - vd
+ */
+#define R300_ZB_CNTL 0x4F00
+# define R300_STENCIL_ENABLE (1 << 0)
+# define R300_Z_ENABLE (1 << 1)
+# define R300_Z_WRITE_ENABLE (1 << 2)
+# define R300_Z_SIGNED_COMPARE (1 << 3)
+# define R300_STENCIL_FRONT_BACK (1 << 4)
+
+#define R300_ZB_ZSTENCILCNTL 0x4f04
+ /* functions */
+# define R300_ZS_NEVER 0
+# define R300_ZS_LESS 1
+# define R300_ZS_LEQUAL 2
+# define R300_ZS_EQUAL 3
+# define R300_ZS_GEQUAL 4
+# define R300_ZS_GREATER 5
+# define R300_ZS_NOTEQUAL 6
+# define R300_ZS_ALWAYS 7
+# define R300_ZS_MASK 7
+ /* operations */
+# define R300_ZS_KEEP 0
+# define R300_ZS_ZERO 1
+# define R300_ZS_REPLACE 2
+# define R300_ZS_INCR 3
+# define R300_ZS_DECR 4
+# define R300_ZS_INVERT 5
+# define R300_ZS_INCR_WRAP 6
+# define R300_ZS_DECR_WRAP 7
+# define R300_Z_FUNC_SHIFT 0
+ /* front and back refer to operations done for front
+ and back faces, i.e. separate stencil function support */
+# define R300_S_FRONT_FUNC_SHIFT 3
+# define R300_S_FRONT_SFAIL_OP_SHIFT 6
+# define R300_S_FRONT_ZPASS_OP_SHIFT 9
+# define R300_S_FRONT_ZFAIL_OP_SHIFT 12
+# define R300_S_BACK_FUNC_SHIFT 15
+# define R300_S_BACK_SFAIL_OP_SHIFT 18
+# define R300_S_BACK_ZPASS_OP_SHIFT 21
+# define R300_S_BACK_ZFAIL_OP_SHIFT 24
+
+#define R300_ZB_STENCILREFMASK 0x4f08
+# define R300_STENCILREF_SHIFT 0
+# define R300_STENCILREF_MASK 0x000000ff
+# define R300_STENCILMASK_SHIFT 8
+# define R300_STENCILMASK_MASK 0x0000ff00
+# define R300_STENCILWRITEMASK_SHIFT 16
+# define R300_STENCILWRITEMASK_MASK 0x00ff0000
+
+/* gap */
+
+#define R300_ZB_FORMAT 0x4f10
+# define R300_DEPTHFORMAT_16BIT_INT_Z (0 << 0)
+# define R300_DEPTHFORMAT_16BIT_13E3 (1 << 0)
+# define R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL (2 << 0)
+/* reserved up to (15 << 0) */
+# define R300_INVERT_13E3_LEADING_ONES (0 << 4)
+# define R300_INVERT_13E3_LEADING_ZEROS (1 << 4)
+
+#define R300_ZB_ZTOP 0x4F14
+# define R300_ZTOP_DISABLE (0 << 0)
+# define R300_ZTOP_ENABLE (1 << 0)
+
+/* gap */
+
+#define R300_ZB_ZCACHE_CTLSTAT 0x4f18
+# define R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_NO_EFFECT (0 << 0)
+# define R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE (1 << 0)
+# define R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_NO_EFFECT (0 << 1)
+# define R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE (1 << 1)
+# define R300_ZB_ZCACHE_CTLSTAT_ZC_BUSY_IDLE (0 << 31)
+# define R300_ZB_ZCACHE_CTLSTAT_ZC_BUSY_BUSY (1 << 31)
+
+#define R300_ZB_BW_CNTL 0x4f1c
+# define R300_HIZ_DISABLE (0 << 0)
+# define R300_HIZ_ENABLE (1 << 0)
+# define R300_HIZ_MIN (0 << 1)
+# define R300_HIZ_MAX (1 << 1)
+# define R300_FAST_FILL_DISABLE (0 << 2)
+# define R300_FAST_FILL_ENABLE (1 << 2)
+# define R300_RD_COMP_DISABLE (0 << 3)
+# define R300_RD_COMP_ENABLE (1 << 3)
+# define R300_WR_COMP_DISABLE (0 << 4)
+# define R300_WR_COMP_ENABLE (1 << 4)
+# define R300_ZB_CB_CLEAR_RMW (0 << 5)
+# define R300_ZB_CB_CLEAR_CACHE_LINEAR (1 << 5)
+# define R300_FORCE_COMPRESSED_STENCIL_VALUE_DISABLE (0 << 6)
+# define R300_FORCE_COMPRESSED_STENCIL_VALUE_ENABLE (1 << 6)
+
+# define R500_ZEQUAL_OPTIMIZE_ENABLE (0 << 7)
+# define R500_ZEQUAL_OPTIMIZE_DISABLE (1 << 7)
+# define R500_SEQUAL_OPTIMIZE_ENABLE (0 << 8)
+# define R500_SEQUAL_OPTIMIZE_DISABLE (1 << 8)
+
+# define R500_BMASK_ENABLE (0 << 10)
+# define R500_BMASK_DISABLE (1 << 10)
+# define R500_HIZ_EQUAL_REJECT_DISABLE (0 << 11)
+# define R500_HIZ_EQUAL_REJECT_ENABLE (1 << 11)
+# define R500_HIZ_FP_EXP_BITS_DISABLE (0 << 12)
+# define R500_HIZ_FP_EXP_BITS_1 (1 << 12)
+# define R500_HIZ_FP_EXP_BITS_2 (2 << 12)
+# define R500_HIZ_FP_EXP_BITS_3 (3 << 12)
+# define R500_HIZ_FP_EXP_BITS_4 (4 << 12)
+# define R500_HIZ_FP_EXP_BITS_5 (5 << 12)
+# define R500_HIZ_FP_INVERT_LEADING_ONES (0 << 15)
+# define R500_HIZ_FP_INVERT_LEADING_ZEROS (1 << 15)
+# define R500_TILE_OVERWRITE_RECOMPRESSION_ENABLE (0 << 16)
+# define R500_TILE_OVERWRITE_RECOMPRESSION_DISABLE (1 << 16)
+# define R500_CONTIGUOUS_6XAA_SAMPLES_ENABLE (0 << 17)
+# define R500_CONTIGUOUS_6XAA_SAMPLES_DISABLE (1 << 17)
+# define R500_PEQ_PACKING_DISABLE (0 << 18)
+# define R500_PEQ_PACKING_ENABLE (1 << 18)
+# define R500_COVERED_PTR_MASKING_DISABLE (0 << 18)
+# define R500_COVERED_PTR_MASKING_ENABLE (1 << 18)
+
+
+/* gap */
+
+/* Z Buffer Address Offset.
+ * Bits 31 to 5 are used for aligned Z buffer address offset for macro tiles.
+ */
+#define R300_ZB_DEPTHOFFSET 0x4f20
+
+/* Z Buffer Pitch and Endian Control */
+#define R300_ZB_DEPTHPITCH 0x4f24
+# define R300_DEPTHPITCH_MASK 0x00003FFC
+# define R300_DEPTHMACROTILE_DISABLE (0 << 16)
+# define R300_DEPTHMACROTILE_ENABLE (1 << 16)
+# define R300_DEPTHMICROTILE_LINEAR (0 << 17)
+# define R300_DEPTHMICROTILE_TILED (1 << 17)
+# define R300_DEPTHMICROTILE_TILED_SQUARE (2 << 17)
+# define R300_DEPTHENDIAN_NO_SWAP (0 << 18)
+# define R300_DEPTHENDIAN_WORD_SWAP (1 << 18)
+# define R300_DEPTHENDIAN_DWORD_SWAP (2 << 18)
+# define R300_DEPTHENDIAN_HALF_DWORD_SWAP (3 << 18)
+
+/* Z Buffer Clear Value */
+#define R300_ZB_DEPTHCLEARVALUE 0x4f28
+
+/* Hierarchical Z Memory Offset */
+#define R300_ZB_HIZ_OFFSET 0x4f44
+
+/* Hierarchical Z Write Index */
+#define R300_ZB_HIZ_WRINDEX 0x4f48
+
+/* Hierarchical Z Data */
+#define R300_ZB_HIZ_DWORD 0x4f4c
+
+/* Hierarchical Z Read Index */
+#define R300_ZB_HIZ_RDINDEX 0x4f50
+
+/* Hierarchical Z Pitch */
+#define R300_ZB_HIZ_PITCH 0x4f54
+
+/* Z Buffer Z Pass Counter Data */
+#define R300_ZB_ZPASS_DATA 0x4f58
+
+/* Z Buffer Z Pass Counter Address */
+#define R300_ZB_ZPASS_ADDR 0x4f5c
+
+/* Depth buffer X and Y coordinate offset */
+#define R300_ZB_DEPTHXY_OFFSET 0x4f60
+# define R300_DEPTHX_OFFSET_SHIFT 1
+# define R300_DEPTHX_OFFSET_MASK 0x000007FE
+# define R300_DEPTHY_OFFSET_SHIFT 17
+# define R300_DEPTHY_OFFSET_MASK 0x07FE0000
+
+/* Sets the fifo sizes */
+#define R500_ZB_FIFO_SIZE 0x4fd0
+# define R500_OP_FIFO_SIZE_FULL (0 << 0)
+# define R500_OP_FIFO_SIZE_HALF (1 << 0)
+# define R500_OP_FIFO_SIZE_QUATER (2 << 0)
+# define R500_OP_FIFO_SIZE_EIGTHS (4 << 0)
+
+/* Stencil Reference Value and Mask for backfacing quads */
+/* R300_ZB_STENCILREFMASK handles front face */
+#define R500_ZB_STENCILREFMASK_BF 0x4fd4
+# define R500_STENCILREF_SHIFT 0
+# define R500_STENCILREF_MASK 0x000000ff
+# define R500_STENCILMASK_SHIFT 8
+# define R500_STENCILMASK_MASK 0x0000ff00
+# define R500_STENCILWRITEMASK_SHIFT 16
+# define R500_STENCILWRITEMASK_MASK 0x00ff0000
+
+/**
+ * \defgroup R3XX_R5XX_PROGRAMMABLE_VERTEX_SHADER_DESCRIPTION R3XX-R5XX PROGRAMMABLE VERTEX SHADER DESCRIPTION
+ *
+ * The PVS_DST_MATH_INST is used to identify whether the instruction is a Vector
+ * Engine instruction or a Math Engine instruction.
+ */
+
+/*\{*/
+
+enum {
+ /* R3XX */
+ VECTOR_NO_OP = 0,
+ VE_DOT_PRODUCT = 1,
+ VE_MULTIPLY = 2,
+ VE_ADD = 3,
+ VE_MULTIPLY_ADD = 4,
+ VE_DISTANCE_VECTOR = 5,
+ VE_FRACTION = 6,
+ VE_MAXIMUM = 7,
+ VE_MINIMUM = 8,
+ VE_SET_GREATER_THAN_EQUAL = 9,
+ VE_SET_LESS_THAN = 10,
+ VE_MULTIPLYX2_ADD = 11,
+ VE_MULTIPLY_CLAMP = 12,
+ VE_FLT2FIX_DX = 13,
+ VE_FLT2FIX_DX_RND = 14,
+ /* R5XX */
+ VE_PRED_SET_EQ_PUSH = 15,
+ VE_PRED_SET_GT_PUSH = 16,
+ VE_PRED_SET_GTE_PUSH = 17,
+ VE_PRED_SET_NEQ_PUSH = 18,
+ VE_COND_WRITE_EQ = 19,
+ VE_COND_WRITE_GT = 20,
+ VE_COND_WRITE_GTE = 21,
+ VE_COND_WRITE_NEQ = 22,
+ VE_COND_MUX_EQ = 23,
+ VE_COND_MUX_GT = 24,
+ VE_COND_MUX_GTE = 25,
+ VE_SET_GREATER_THAN = 26,
+ VE_SET_EQUAL = 27,
+ VE_SET_NOT_EQUAL = 28,
+};
+
+enum {
+ /* R3XX */
+ MATH_NO_OP = 0,
+ ME_EXP_BASE2_DX = 1,
+ ME_LOG_BASE2_DX = 2,
+ ME_EXP_BASEE_FF = 3,
+ ME_LIGHT_COEFF_DX = 4,
+ ME_POWER_FUNC_FF = 5,
+ ME_RECIP_DX = 6,
+ ME_RECIP_FF = 7,
+ ME_RECIP_SQRT_DX = 8,
+ ME_RECIP_SQRT_FF = 9,
+ ME_MULTIPLY = 10,
+ ME_EXP_BASE2_FULL_DX = 11,
+ ME_LOG_BASE2_FULL_DX = 12,
+ ME_POWER_FUNC_FF_CLAMP_B = 13,
+ ME_POWER_FUNC_FF_CLAMP_B1 = 14,
+ ME_POWER_FUNC_FF_CLAMP_01 = 15,
+ ME_SIN = 16,
+ ME_COS = 17,
+ /* R5XX */
+ ME_LOG_BASE2_IEEE = 18,
+ ME_RECIP_IEEE = 19,
+ ME_RECIP_SQRT_IEEE = 20,
+ ME_PRED_SET_EQ = 21,
+ ME_PRED_SET_GT = 22,
+ ME_PRED_SET_GTE = 23,
+ ME_PRED_SET_NEQ = 24,
+ ME_PRED_SET_CLR = 25,
+ ME_PRED_SET_INV = 26,
+ ME_PRED_SET_POP = 27,
+ ME_PRED_SET_RESTORE = 28,
+};
+
+enum {
+ /* R3XX */
+ PVS_MACRO_OP_2CLK_MADD = 0,
+ PVS_MACRO_OP_2CLK_M2X_ADD = 1,
+};
+
+enum {
+ PVS_SRC_REG_TEMPORARY = 0, /* Intermediate Storage */
+ PVS_SRC_REG_INPUT = 1, /* Input Vertex Storage */
+ PVS_SRC_REG_CONSTANT = 2, /* Constant State Storage */
+ PVS_SRC_REG_ALT_TEMPORARY = 3, /* Alternate Intermediate Storage */
+};
+
+enum {
+ PVS_DST_REG_TEMPORARY = 0, /* Intermediate Storage */
+ PVS_DST_REG_A0 = 1, /* Address Register Storage */
+ PVS_DST_REG_OUT = 2, /* Output Memory. Used for all outputs */
+ PVS_DST_REG_OUT_REPL_X = 3, /* Output Memory & Replicate X to all channels */
+ PVS_DST_REG_ALT_TEMPORARY = 4, /* Alternate Intermediate Storage */
+ PVS_DST_REG_INPUT = 5, /* Output Memory & Replicate X to all channels */
+};
+
+enum {
+ PVS_SRC_SELECT_X = 0, /* Select X Component */
+ PVS_SRC_SELECT_Y = 1, /* Select Y Component */
+ PVS_SRC_SELECT_Z = 2, /* Select Z Component */
+ PVS_SRC_SELECT_W = 3, /* Select W Component */
+ PVS_SRC_SELECT_FORCE_0 = 4, /* Force Component to 0.0 */
+ PVS_SRC_SELECT_FORCE_1 = 5, /* Force Component to 1.0 */
+};
+
+/* PVS Opcode & Destination Operand Description */
+
+enum {
+ PVS_DST_OPCODE_MASK = 0x3f,
+ PVS_DST_OPCODE_SHIFT = 0,
+ PVS_DST_MATH_INST_MASK = 0x1,
+ PVS_DST_MATH_INST_SHIFT = 6,
+ PVS_DST_MACRO_INST_MASK = 0x1,
+ PVS_DST_MACRO_INST_SHIFT = 7,
+ PVS_DST_REG_TYPE_MASK = 0xf,
+ PVS_DST_REG_TYPE_SHIFT = 8,
+ PVS_DST_ADDR_MODE_1_MASK = 0x1,
+ PVS_DST_ADDR_MODE_1_SHIFT = 12,
+ PVS_DST_OFFSET_MASK = 0x7f,
+ PVS_DST_OFFSET_SHIFT = 13,
+ PVS_DST_WE_X_MASK = 0x1,
+ PVS_DST_WE_X_SHIFT = 20,
+ PVS_DST_WE_Y_MASK = 0x1,
+ PVS_DST_WE_Y_SHIFT = 21,
+ PVS_DST_WE_Z_MASK = 0x1,
+ PVS_DST_WE_Z_SHIFT = 22,
+ PVS_DST_WE_W_MASK = 0x1,
+ PVS_DST_WE_W_SHIFT = 23,
+ PVS_DST_VE_SAT_MASK = 0x1,
+ PVS_DST_VE_SAT_SHIFT = 24,
+ PVS_DST_ME_SAT_MASK = 0x1,
+ PVS_DST_ME_SAT_SHIFT = 25,
+ PVS_DST_PRED_ENABLE_MASK = 0x1,
+ PVS_DST_PRED_ENABLE_SHIFT = 26,
+ PVS_DST_PRED_SENSE_MASK = 0x1,
+ PVS_DST_PRED_SENSE_SHIFT = 27,
+ PVS_DST_DUAL_MATH_OP_MASK = 0x3,
+ PVS_DST_DUAL_MATH_OP_SHIFT = 27,
+ PVS_DST_ADDR_SEL_MASK = 0x3,
+ PVS_DST_ADDR_SEL_SHIFT = 29,
+ PVS_DST_ADDR_MODE_0_MASK = 0x1,
+ PVS_DST_ADDR_MODE_0_SHIFT = 31,
+};
+
+/* PVS Source Operand Description */
+
+enum {
+ PVS_SRC_REG_TYPE_MASK = 0x3,
+ PVS_SRC_REG_TYPE_SHIFT = 0,
+ SPARE_0_MASK = 0x1,
+ SPARE_0_SHIFT = 2,
+ PVS_SRC_ABS_XYZW_MASK = 0x1,
+ PVS_SRC_ABS_XYZW_SHIFT = 3,
+ PVS_SRC_ADDR_MODE_0_MASK = 0x1,
+ PVS_SRC_ADDR_MODE_0_SHIFT = 4,
+ PVS_SRC_OFFSET_MASK = 0xff,
+ PVS_SRC_OFFSET_SHIFT = 5,
+ PVS_SRC_SWIZZLE_X_MASK = 0x7,
+ PVS_SRC_SWIZZLE_X_SHIFT = 13,
+ PVS_SRC_SWIZZLE_Y_MASK = 0x7,
+ PVS_SRC_SWIZZLE_Y_SHIFT = 16,
+ PVS_SRC_SWIZZLE_Z_MASK = 0x7,
+ PVS_SRC_SWIZZLE_Z_SHIFT = 19,
+ PVS_SRC_SWIZZLE_W_MASK = 0x7,
+ PVS_SRC_SWIZZLE_W_SHIFT = 22,
+ PVS_SRC_MODIFIER_X_MASK = 0x1,
+ PVS_SRC_MODIFIER_X_SHIFT = 25,
+ PVS_SRC_MODIFIER_Y_MASK = 0x1,
+ PVS_SRC_MODIFIER_Y_SHIFT = 26,
+ PVS_SRC_MODIFIER_Z_MASK = 0x1,
+ PVS_SRC_MODIFIER_Z_SHIFT = 27,
+ PVS_SRC_MODIFIER_W_MASK = 0x1,
+ PVS_SRC_MODIFIER_W_SHIFT = 28,
+ PVS_SRC_ADDR_SEL_MASK = 0x3,
+ PVS_SRC_ADDR_SEL_SHIFT = 29,
+ PVS_SRC_ADDR_MODE_1_MASK = 0x0,
+ PVS_SRC_ADDR_MODE_1_SHIFT = 32,
+};
+
+/*\}*/
+
+/* BEGIN: Packet 3 commands */
+
+/* A primitive emission dword. */
+#define R300_PRIM_TYPE_NONE (0 << 0)
+#define R300_PRIM_TYPE_POINT (1 << 0)
+#define R300_PRIM_TYPE_LINE (2 << 0)
+#define R300_PRIM_TYPE_LINE_STRIP (3 << 0)
+#define R300_PRIM_TYPE_TRI_LIST (4 << 0)
+#define R300_PRIM_TYPE_TRI_FAN (5 << 0)
+#define R300_PRIM_TYPE_TRI_STRIP (6 << 0)
+#define R300_PRIM_TYPE_TRI_TYPE2 (7 << 0)
+#define R300_PRIM_TYPE_RECT_LIST (8 << 0)
+#define R300_PRIM_TYPE_3VRT_POINT_LIST (9 << 0)
+#define R300_PRIM_TYPE_3VRT_LINE_LIST (10 << 0)
+ /* GUESS (based on r200) */
+#define R300_PRIM_TYPE_POINT_SPRITES (11 << 0)
+#define R300_PRIM_TYPE_LINE_LOOP (12 << 0)
+#define R300_PRIM_TYPE_QUADS (13 << 0)
+#define R300_PRIM_TYPE_QUAD_STRIP (14 << 0)
+#define R300_PRIM_TYPE_POLYGON (15 << 0)
+#define R300_PRIM_TYPE_MASK 0xF
+#define R300_PRIM_WALK_IND (1 << 4)
+#define R300_PRIM_WALK_LIST (2 << 4)
+#define R300_PRIM_WALK_RING (3 << 4)
+#define R300_PRIM_WALK_MASK (3 << 4)
+ /* GUESS (based on r200) */
+#define R300_PRIM_COLOR_ORDER_BGRA (0 << 6)
+#define R300_PRIM_COLOR_ORDER_RGBA (1 << 6)
+#define R300_PRIM_NUM_VERTICES_SHIFT 16
+#define R300_PRIM_NUM_VERTICES_MASK 0xffff
+
+
+
+/*
+ * The R500 unified shader (US) registers come in banks of 512 each, one
+ * for each instruction slot in the shader. You can't touch them directly.
+ * R500_US_VECTOR_INDEX() sets the base instruction to modify; successive
+ * writes to R500_GA_US_VECTOR_DATA autoincrement the index after the
+ * instruction is fully specified.
+ */
+#define R500_US_ALU_ALPHA_INST_0 0xa800
+# define R500_ALPHA_OP_MAD 0
+# define R500_ALPHA_OP_DP 1
+# define R500_ALPHA_OP_MIN 2
+# define R500_ALPHA_OP_MAX 3
+/* #define R500_ALPHA_OP_RESERVED 4 */
+# define R500_ALPHA_OP_CND 5
+# define R500_ALPHA_OP_CMP 6
+# define R500_ALPHA_OP_FRC 7
+# define R500_ALPHA_OP_EX2 8
+# define R500_ALPHA_OP_LN2 9
+# define R500_ALPHA_OP_RCP 10
+# define R500_ALPHA_OP_RSQ 11
+# define R500_ALPHA_OP_SIN 12
+# define R500_ALPHA_OP_COS 13
+# define R500_ALPHA_OP_MDH 14
+# define R500_ALPHA_OP_MDV 15
+# define R500_ALPHA_ADDRD(x) ((x) << 4)
+# define R500_ALPHA_ADDRD_REL (1 << 11)
+# define R500_ALPHA_SEL_A_SHIFT 12
+# define R500_ALPHA_SEL_A_SRC0 (0 << 12)
+# define R500_ALPHA_SEL_A_SRC1 (1 << 12)
+# define R500_ALPHA_SEL_A_SRC2 (2 << 12)
+# define R500_ALPHA_SEL_A_SRCP (3 << 12)
+# define R500_ALPHA_SWIZ_A_R (0 << 14)
+# define R500_ALPHA_SWIZ_A_G (1 << 14)
+# define R500_ALPHA_SWIZ_A_B (2 << 14)
+# define R500_ALPHA_SWIZ_A_A (3 << 14)
+# define R500_ALPHA_SWIZ_A_0 (4 << 14)
+# define R500_ALPHA_SWIZ_A_HALF (5 << 14)
+# define R500_ALPHA_SWIZ_A_1 (6 << 14)
+/* #define R500_ALPHA_SWIZ_A_UNUSED (7 << 14) */
+# define R500_ALPHA_MOD_A_NOP (0 << 17)
+# define R500_ALPHA_MOD_A_NEG (1 << 17)
+# define R500_ALPHA_MOD_A_ABS (2 << 17)
+# define R500_ALPHA_MOD_A_NAB (3 << 17)
+# define R500_ALPHA_SEL_B_SHIFT 19
+# define R500_ALPHA_SEL_B_SRC0 (0 << 19)
+# define R500_ALPHA_SEL_B_SRC1 (1 << 19)
+# define R500_ALPHA_SEL_B_SRC2 (2 << 19)
+# define R500_ALPHA_SEL_B_SRCP (3 << 19)
+# define R500_ALPHA_SWIZ_B_R (0 << 21)
+# define R500_ALPHA_SWIZ_B_G (1 << 21)
+# define R500_ALPHA_SWIZ_B_B (2 << 21)
+# define R500_ALPHA_SWIZ_B_A (3 << 21)
+# define R500_ALPHA_SWIZ_B_0 (4 << 21)
+# define R500_ALPHA_SWIZ_B_HALF (5 << 21)
+# define R500_ALPHA_SWIZ_B_1 (6 << 21)
+/* #define R500_ALPHA_SWIZ_B_UNUSED (7 << 21) */
+# define R500_ALPHA_MOD_B_NOP (0 << 24)
+# define R500_ALPHA_MOD_B_NEG (1 << 24)
+# define R500_ALPHA_MOD_B_ABS (2 << 24)
+# define R500_ALPHA_MOD_B_NAB (3 << 24)
+# define R500_ALPHA_OMOD_IDENTITY (0 << 26)
+# define R500_ALPHA_OMOD_MUL_2 (1 << 26)
+# define R500_ALPHA_OMOD_MUL_4 (2 << 26)
+# define R500_ALPHA_OMOD_MUL_8 (3 << 26)
+# define R500_ALPHA_OMOD_DIV_2 (4 << 26)
+# define R500_ALPHA_OMOD_DIV_4 (5 << 26)
+# define R500_ALPHA_OMOD_DIV_8 (6 << 26)
+# define R500_ALPHA_OMOD_DISABLE (7 << 26)
+# define R500_ALPHA_TARGET(x) ((x) << 29)
+# define R500_ALPHA_W_OMASK (1 << 31)
+#define R500_US_ALU_ALPHA_ADDR_0 0x9800
+# define R500_ALPHA_ADDR0(x) ((x) << 0)
+# define R500_ALPHA_ADDR0_CONST (1 << 8)
+# define R500_ALPHA_ADDR0_REL (1 << 9)
+# define R500_ALPHA_ADDR1(x) ((x) << 10)
+# define R500_ALPHA_ADDR1_CONST (1 << 18)
+# define R500_ALPHA_ADDR1_REL (1 << 19)
+# define R500_ALPHA_ADDR2(x) ((x) << 20)
+# define R500_ALPHA_ADDR2_CONST (1 << 28)
+# define R500_ALPHA_ADDR2_REL (1 << 29)
+# define R500_ALPHA_SRCP_OP_1_MINUS_2A0 (0 << 30)
+# define R500_ALPHA_SRCP_OP_A1_MINUS_A0 (1 << 30)
+# define R500_ALPHA_SRCP_OP_A1_PLUS_A0 (2 << 30)
+# define R500_ALPHA_SRCP_OP_1_MINUS_A0 (3 << 30)
+#define R500_US_ALU_RGBA_INST_0 0xb000
+# define R500_ALU_RGBA_OP_MAD (0 << 0)
+# define R500_ALU_RGBA_OP_DP3 (1 << 0)
+# define R500_ALU_RGBA_OP_DP4 (2 << 0)
+# define R500_ALU_RGBA_OP_D2A (3 << 0)
+# define R500_ALU_RGBA_OP_MIN (4 << 0)
+# define R500_ALU_RGBA_OP_MAX (5 << 0)
+/* #define R500_ALU_RGBA_OP_RESERVED (6 << 0) */
+# define R500_ALU_RGBA_OP_CND (7 << 0)
+# define R500_ALU_RGBA_OP_CMP (8 << 0)
+# define R500_ALU_RGBA_OP_FRC (9 << 0)
+# define R500_ALU_RGBA_OP_SOP (10 << 0)
+# define R500_ALU_RGBA_OP_MDH (11 << 0)
+# define R500_ALU_RGBA_OP_MDV (12 << 0)
+# define R500_ALU_RGBA_ADDRD(x) ((x) << 4)
+# define R500_ALU_RGBA_ADDRD_REL (1 << 11)
+# define R500_ALU_RGBA_SEL_C_SHIFT 12
+# define R500_ALU_RGBA_SEL_C_SRC0 (0 << 12)
+# define R500_ALU_RGBA_SEL_C_SRC1 (1 << 12)
+# define R500_ALU_RGBA_SEL_C_SRC2 (2 << 12)
+# define R500_ALU_RGBA_SEL_C_SRCP (3 << 12)
+# define R500_ALU_RGBA_R_SWIZ_R (0 << 14)
+# define R500_ALU_RGBA_R_SWIZ_G (1 << 14)
+# define R500_ALU_RGBA_R_SWIZ_B (2 << 14)
+# define R500_ALU_RGBA_R_SWIZ_A (3 << 14)
+# define R500_ALU_RGBA_R_SWIZ_0 (4 << 14)
+# define R500_ALU_RGBA_R_SWIZ_HALF (5 << 14)
+# define R500_ALU_RGBA_R_SWIZ_1 (6 << 14)
+/* #define R500_ALU_RGBA_R_SWIZ_UNUSED (7 << 14) */
+# define R500_ALU_RGBA_G_SWIZ_R (0 << 17)
+# define R500_ALU_RGBA_G_SWIZ_G (1 << 17)
+# define R500_ALU_RGBA_G_SWIZ_B (2 << 17)
+# define R500_ALU_RGBA_G_SWIZ_A (3 << 17)
+# define R500_ALU_RGBA_G_SWIZ_0 (4 << 17)
+# define R500_ALU_RGBA_G_SWIZ_HALF (5 << 17)
+# define R500_ALU_RGBA_G_SWIZ_1 (6 << 17)
+/* #define R500_ALU_RGBA_G_SWIZ_UNUSED (7 << 17) */
+# define R500_ALU_RGBA_B_SWIZ_R (0 << 20)
+# define R500_ALU_RGBA_B_SWIZ_G (1 << 20)
+# define R500_ALU_RGBA_B_SWIZ_B (2 << 20)
+# define R500_ALU_RGBA_B_SWIZ_A (3 << 20)
+# define R500_ALU_RGBA_B_SWIZ_0 (4 << 20)
+# define R500_ALU_RGBA_B_SWIZ_HALF (5 << 20)
+# define R500_ALU_RGBA_B_SWIZ_1 (6 << 20)
+/* #define R500_ALU_RGBA_B_SWIZ_UNUSED (7 << 20) */
+# define R500_ALU_RGBA_MOD_C_NOP (0 << 23)
+# define R500_ALU_RGBA_MOD_C_NEG (1 << 23)
+# define R500_ALU_RGBA_MOD_C_ABS (2 << 23)
+# define R500_ALU_RGBA_MOD_C_NAB (3 << 23)
+# define R500_ALU_RGBA_ALPHA_SEL_C_SHIFT 25
+# define R500_ALU_RGBA_ALPHA_SEL_C_SRC0 (0 << 25)
+# define R500_ALU_RGBA_ALPHA_SEL_C_SRC1 (1 << 25)
+# define R500_ALU_RGBA_ALPHA_SEL_C_SRC2 (2 << 25)
+# define R500_ALU_RGBA_ALPHA_SEL_C_SRCP (3 << 25)
+# define R500_ALU_RGBA_A_SWIZ_R (0 << 27)
+# define R500_ALU_RGBA_A_SWIZ_G (1 << 27)
+# define R500_ALU_RGBA_A_SWIZ_B (2 << 27)
+# define R500_ALU_RGBA_A_SWIZ_A (3 << 27)
+# define R500_ALU_RGBA_A_SWIZ_0 (4 << 27)
+# define R500_ALU_RGBA_A_SWIZ_HALF (5 << 27)
+# define R500_ALU_RGBA_A_SWIZ_1 (6 << 27)
+/* #define R500_ALU_RGBA_A_SWIZ_UNUSED (7 << 27) */
+# define R500_ALU_RGBA_ALPHA_MOD_C_NOP (0 << 30)
+# define R500_ALU_RGBA_ALPHA_MOD_C_NEG (1 << 30)
+# define R500_ALU_RGBA_ALPHA_MOD_C_ABS (2 << 30)
+# define R500_ALU_RGBA_ALPHA_MOD_C_NAB (3 << 30)
+#define R500_US_ALU_RGB_INST_0 0xa000
+# define R500_ALU_RGB_SEL_A_SHIFT 0
+# define R500_ALU_RGB_SEL_A_SRC0 (0 << 0)
+# define R500_ALU_RGB_SEL_A_SRC1 (1 << 0)
+# define R500_ALU_RGB_SEL_A_SRC2 (2 << 0)
+# define R500_ALU_RGB_SEL_A_SRCP (3 << 0)
+# define R500_ALU_RGB_R_SWIZ_A_R (0 << 2)
+# define R500_ALU_RGB_R_SWIZ_A_G (1 << 2)
+# define R500_ALU_RGB_R_SWIZ_A_B (2 << 2)
+# define R500_ALU_RGB_R_SWIZ_A_A (3 << 2)
+# define R500_ALU_RGB_R_SWIZ_A_0 (4 << 2)
+# define R500_ALU_RGB_R_SWIZ_A_HALF (5 << 2)
+# define R500_ALU_RGB_R_SWIZ_A_1 (6 << 2)
+/* #define R500_ALU_RGB_R_SWIZ_A_UNUSED (7 << 2) */
+# define R500_ALU_RGB_G_SWIZ_A_R (0 << 5)
+# define R500_ALU_RGB_G_SWIZ_A_G (1 << 5)
+# define R500_ALU_RGB_G_SWIZ_A_B (2 << 5)
+# define R500_ALU_RGB_G_SWIZ_A_A (3 << 5)
+# define R500_ALU_RGB_G_SWIZ_A_0 (4 << 5)
+# define R500_ALU_RGB_G_SWIZ_A_HALF (5 << 5)
+# define R500_ALU_RGB_G_SWIZ_A_1 (6 << 5)
+/* #define R500_ALU_RGB_G_SWIZ_A_UNUSED (7 << 5) */
+# define R500_ALU_RGB_B_SWIZ_A_R (0 << 8)
+# define R500_ALU_RGB_B_SWIZ_A_G (1 << 8)
+# define R500_ALU_RGB_B_SWIZ_A_B (2 << 8)
+# define R500_ALU_RGB_B_SWIZ_A_A (3 << 8)
+# define R500_ALU_RGB_B_SWIZ_A_0 (4 << 8)
+# define R500_ALU_RGB_B_SWIZ_A_HALF (5 << 8)
+# define R500_ALU_RGB_B_SWIZ_A_1 (6 << 8)
+/* #define R500_ALU_RGB_B_SWIZ_A_UNUSED (7 << 8) */
+# define R500_ALU_RGB_MOD_A_NOP (0 << 11)
+# define R500_ALU_RGB_MOD_A_NEG (1 << 11)
+# define R500_ALU_RGB_MOD_A_ABS (2 << 11)
+# define R500_ALU_RGB_MOD_A_NAB (3 << 11)
+# define R500_ALU_RGB_SEL_B_SHIFT 13
+# define R500_ALU_RGB_SEL_B_SRC0 (0 << 13)
+# define R500_ALU_RGB_SEL_B_SRC1 (1 << 13)
+# define R500_ALU_RGB_SEL_B_SRC2 (2 << 13)
+# define R500_ALU_RGB_SEL_B_SRCP (3 << 13)
+# define R500_ALU_RGB_R_SWIZ_B_R (0 << 15)
+# define R500_ALU_RGB_R_SWIZ_B_G (1 << 15)
+# define R500_ALU_RGB_R_SWIZ_B_B (2 << 15)
+# define R500_ALU_RGB_R_SWIZ_B_A (3 << 15)
+# define R500_ALU_RGB_R_SWIZ_B_0 (4 << 15)
+# define R500_ALU_RGB_R_SWIZ_B_HALF (5 << 15)
+# define R500_ALU_RGB_R_SWIZ_B_1 (6 << 15)
+/* #define R500_ALU_RGB_R_SWIZ_B_UNUSED (7 << 15) */
+# define R500_ALU_RGB_G_SWIZ_B_R (0 << 18)
+# define R500_ALU_RGB_G_SWIZ_B_G (1 << 18)
+# define R500_ALU_RGB_G_SWIZ_B_B (2 << 18)
+# define R500_ALU_RGB_G_SWIZ_B_A (3 << 18)
+# define R500_ALU_RGB_G_SWIZ_B_0 (4 << 18)
+# define R500_ALU_RGB_G_SWIZ_B_HALF (5 << 18)
+# define R500_ALU_RGB_G_SWIZ_B_1 (6 << 18)
+/* #define R500_ALU_RGB_G_SWIZ_B_UNUSED (7 << 18) */
+# define R500_ALU_RGB_B_SWIZ_B_R (0 << 21)
+# define R500_ALU_RGB_B_SWIZ_B_G (1 << 21)
+# define R500_ALU_RGB_B_SWIZ_B_B (2 << 21)
+# define R500_ALU_RGB_B_SWIZ_B_A (3 << 21)
+# define R500_ALU_RGB_B_SWIZ_B_0 (4 << 21)
+# define R500_ALU_RGB_B_SWIZ_B_HALF (5 << 21)
+# define R500_ALU_RGB_B_SWIZ_B_1 (6 << 21)
+/* #define R500_ALU_RGB_B_SWIZ_B_UNUSED (7 << 21) */
+# define R500_ALU_RGB_MOD_B_NOP (0 << 24)
+# define R500_ALU_RGB_MOD_B_NEG (1 << 24)
+# define R500_ALU_RGB_MOD_B_ABS (2 << 24)
+# define R500_ALU_RGB_MOD_B_NAB (3 << 24)
+# define R500_ALU_RGB_OMOD_IDENTITY (0 << 26)
+# define R500_ALU_RGB_OMOD_MUL_2 (1 << 26)
+# define R500_ALU_RGB_OMOD_MUL_4 (2 << 26)
+# define R500_ALU_RGB_OMOD_MUL_8 (3 << 26)
+# define R500_ALU_RGB_OMOD_DIV_2 (4 << 26)
+# define R500_ALU_RGB_OMOD_DIV_4 (5 << 26)
+# define R500_ALU_RGB_OMOD_DIV_8 (6 << 26)
+# define R500_ALU_RGB_OMOD_DISABLE (7 << 26)
+# define R500_ALU_RGB_TARGET(x) ((x) << 29)
+# define R500_ALU_RGB_WMASK (1 << 31)
+#define R500_US_ALU_RGB_ADDR_0 0x9000
+# define R500_RGB_ADDR0(x) ((x) << 0)
+# define R500_RGB_ADDR0_CONST (1 << 8)
+# define R500_RGB_ADDR0_REL (1 << 9)
+# define R500_RGB_ADDR1(x) ((x) << 10)
+# define R500_RGB_ADDR1_CONST (1 << 18)
+# define R500_RGB_ADDR1_REL (1 << 19)
+# define R500_RGB_ADDR2(x) ((x) << 20)
+# define R500_RGB_ADDR2_CONST (1 << 28)
+# define R500_RGB_ADDR2_REL (1 << 29)
+# define R500_RGB_SRCP_OP_1_MINUS_2RGB0 (0 << 30)
+# define R500_RGB_SRCP_OP_RGB1_MINUS_RGB0 (1 << 30)
+# define R500_RGB_SRCP_OP_RGB1_PLUS_RGB0 (2 << 30)
+# define R500_RGB_SRCP_OP_1_MINUS_RGB0 (3 << 30)
+#define R500_US_CMN_INST_0 0xb800
+# define R500_INST_TYPE_MASK (3 << 0)
+# define R500_INST_TYPE_ALU (0 << 0)
+# define R500_INST_TYPE_OUT (1 << 0)
+# define R500_INST_TYPE_FC (2 << 0)
+# define R500_INST_TYPE_TEX (3 << 0)
+# define R500_INST_TEX_SEM_WAIT (1 << 2)
+# define R500_INST_RGB_PRED_SEL_NONE (0 << 3)
+# define R500_INST_RGB_PRED_SEL_RGBA (1 << 3)
+# define R500_INST_RGB_PRED_SEL_RRRR (2 << 3)
+# define R500_INST_RGB_PRED_SEL_GGGG (3 << 3)
+# define R500_INST_RGB_PRED_SEL_BBBB (4 << 3)
+# define R500_INST_RGB_PRED_SEL_AAAA (5 << 3)
+# define R500_INST_RGB_PRED_INV (1 << 6)
+# define R500_INST_WRITE_INACTIVE (1 << 7)
+# define R500_INST_LAST (1 << 8)
+# define R500_INST_NOP (1 << 9)
+# define R500_INST_ALU_WAIT (1 << 10)
+# define R500_INST_RGB_WMASK_R (1 << 11)
+# define R500_INST_RGB_WMASK_G (1 << 12)
+# define R500_INST_RGB_WMASK_B (1 << 13)
+# define R500_INST_RGB_WMASK_RGB (7 << 11)
+# define R500_INST_ALPHA_WMASK (1 << 14)
+# define R500_INST_RGB_OMASK_R (1 << 15)
+# define R500_INST_RGB_OMASK_G (1 << 16)
+# define R500_INST_RGB_OMASK_B (1 << 17)
+# define R500_INST_RGB_OMASK_RGB (7 << 15)
+# define R500_INST_ALPHA_OMASK (1 << 18)
+# define R500_INST_RGB_CLAMP (1 << 19)
+# define R500_INST_ALPHA_CLAMP (1 << 20)
+# define R500_INST_ALU_RESULT_SEL (1 << 21)
+# define R500_INST_ALPHA_PRED_INV (1 << 22)
+# define R500_INST_ALU_RESULT_OP_EQ (0 << 23)
+# define R500_INST_ALU_RESULT_OP_LT (1 << 23)
+# define R500_INST_ALU_RESULT_OP_GE (2 << 23)
+# define R500_INST_ALU_RESULT_OP_NE (3 << 23)
+# define R500_INST_ALPHA_PRED_SEL_NONE (0 << 25)
+# define R500_INST_ALPHA_PRED_SEL_RGBA (1 << 25)
+# define R500_INST_ALPHA_PRED_SEL_RRRR (2 << 25)
+# define R500_INST_ALPHA_PRED_SEL_GGGG (3 << 25)
+# define R500_INST_ALPHA_PRED_SEL_BBBB (4 << 25)
+# define R500_INST_ALPHA_PRED_SEL_AAAA (5 << 25)
+/* XXX next four are kind of guessed */
+# define R500_INST_STAT_WE_R (1 << 28)
+# define R500_INST_STAT_WE_G (1 << 29)
+# define R500_INST_STAT_WE_B (1 << 30)
+# define R500_INST_STAT_WE_A (1 << 31)
+
+/* note that these are 8 bit lengths, despite the offsets, at least for R500 */
+#define R500_US_CODE_ADDR 0x4630
+# define R500_US_CODE_START_ADDR(x) ((x) << 0)
+# define R500_US_CODE_END_ADDR(x) ((x) << 16)
+#define R500_US_CODE_OFFSET 0x4638
+# define R500_US_CODE_OFFSET_ADDR(x) ((x) << 0)
+#define R500_US_CODE_RANGE 0x4634
+# define R500_US_CODE_RANGE_ADDR(x) ((x) << 0)
+# define R500_US_CODE_RANGE_SIZE(x) ((x) << 16)
+#define R500_US_CONFIG 0x4600
+# define R500_ZERO_TIMES_ANYTHING_EQUALS_ZERO (1 << 1)
+#define R500_US_FC_ADDR_0 0xa000
+# define R500_FC_BOOL_ADDR(x) ((x) << 0)
+# define R500_FC_INT_ADDR(x) ((x) << 8)
+# define R500_FC_JUMP_ADDR(x) ((x) << 16)
+# define R500_FC_JUMP_GLOBAL (1 << 31)
+#define R500_US_FC_BOOL_CONST 0x4620
+# define R500_FC_KBOOL(x) (x)
+#define R500_US_FC_CTRL 0x4624
+# define R500_FC_TEST_EN (1 << 30)
+# define R500_FC_FULL_FC_EN (1 << 31)
+#define R500_US_FC_INST_0 0x9800
+# define R500_FC_OP_JUMP (0 << 0)
+# define R500_FC_OP_LOOP (1 << 0)
+# define R500_FC_OP_ENDLOOP (2 << 0)
+# define R500_FC_OP_REP (3 << 0)
+# define R500_FC_OP_ENDREP (4 << 0)
+# define R500_FC_OP_BREAKLOOP (5 << 0)
+# define R500_FC_OP_BREAKREP (6 << 0)
+# define R500_FC_OP_CONTINUE (7 << 0)
+# define R500_FC_B_ELSE (1 << 4)
+# define R500_FC_JUMP_ANY (1 << 5)
+# define R500_FC_A_OP_NONE (0 << 6)
+# define R500_FC_A_OP_POP (1 << 6)
+# define R500_FC_A_OP_PUSH (2 << 6)
+# define R500_FC_JUMP_FUNC(x) ((x) << 8)
+# define R500_FC_B_POP_CNT(x) ((x) << 16)
+# define R500_FC_B_OP0_NONE (0 << 24)
+# define R500_FC_B_OP0_DECR (1 << 24)
+# define R500_FC_B_OP0_INCR (2 << 24)
+# define R500_FC_B_OP1_DECR (0 << 26)
+# define R500_FC_B_OP1_NONE (1 << 26)
+# define R500_FC_B_OP1_INCR (2 << 26)
+# define R500_FC_IGNORE_UNCOVERED (1 << 28)
+#define R500_US_FC_INT_CONST_0 0x4c00
+# define R500_FC_INT_CONST_KR(x) ((x) << 0)
+# define R500_FC_INT_CONST_KG(x) ((x) << 8)
+# define R500_FC_INT_CONST_KB(x) ((x) << 16)
+/* _0 through _15 */
+#define R500_US_FORMAT0_0 0x4640
+# define R500_FORMAT_TXWIDTH(x) ((x) << 0)
+# define R500_FORMAT_TXHEIGHT(x) ((x) << 11)
+# define R500_FORMAT_TXDEPTH(x) ((x) << 22)
+#define R500_US_PIXSIZE 0x4604
+# define R500_PIX_SIZE(x) (x)
+#define R500_US_TEX_ADDR_0 0x9800
+# define R500_TEX_SRC_ADDR(x) ((x) << 0)
+# define R500_TEX_SRC_ADDR_REL (1 << 7)
+# define R500_TEX_SRC_S_SWIZ_R (0 << 8)
+# define R500_TEX_SRC_S_SWIZ_G (1 << 8)
+# define R500_TEX_SRC_S_SWIZ_B (2 << 8)
+# define R500_TEX_SRC_S_SWIZ_A (3 << 8)
+# define R500_TEX_SRC_T_SWIZ_R (0 << 10)
+# define R500_TEX_SRC_T_SWIZ_G (1 << 10)
+# define R500_TEX_SRC_T_SWIZ_B (2 << 10)
+# define R500_TEX_SRC_T_SWIZ_A (3 << 10)
+# define R500_TEX_SRC_R_SWIZ_R (0 << 12)
+# define R500_TEX_SRC_R_SWIZ_G (1 << 12)
+# define R500_TEX_SRC_R_SWIZ_B (2 << 12)
+# define R500_TEX_SRC_R_SWIZ_A (3 << 12)
+# define R500_TEX_SRC_Q_SWIZ_R (0 << 14)
+# define R500_TEX_SRC_Q_SWIZ_G (1 << 14)
+# define R500_TEX_SRC_Q_SWIZ_B (2 << 14)
+# define R500_TEX_SRC_Q_SWIZ_A (3 << 14)
+# define R500_TEX_DST_ADDR(x) ((x) << 16)
+# define R500_TEX_DST_ADDR_REL (1 << 23)
+# define R500_TEX_DST_R_SWIZ_R (0 << 24)
+# define R500_TEX_DST_R_SWIZ_G (1 << 24)
+# define R500_TEX_DST_R_SWIZ_B (2 << 24)
+# define R500_TEX_DST_R_SWIZ_A (3 << 24)
+# define R500_TEX_DST_G_SWIZ_R (0 << 26)
+# define R500_TEX_DST_G_SWIZ_G (1 << 26)
+# define R500_TEX_DST_G_SWIZ_B (2 << 26)
+# define R500_TEX_DST_G_SWIZ_A (3 << 26)
+# define R500_TEX_DST_B_SWIZ_R (0 << 28)
+# define R500_TEX_DST_B_SWIZ_G (1 << 28)
+# define R500_TEX_DST_B_SWIZ_B (2 << 28)
+# define R500_TEX_DST_B_SWIZ_A (3 << 28)
+# define R500_TEX_DST_A_SWIZ_R (0 << 30)
+# define R500_TEX_DST_A_SWIZ_G (1 << 30)
+# define R500_TEX_DST_A_SWIZ_B (2 << 30)
+# define R500_TEX_DST_A_SWIZ_A (3 << 30)
+#define R500_US_TEX_ADDR_DXDY_0 0xa000
+# define R500_DX_ADDR(x) ((x) << 0)
+# define R500_DX_ADDR_REL (1 << 7)
+# define R500_DX_S_SWIZ_R (0 << 8)
+# define R500_DX_S_SWIZ_G (1 << 8)
+# define R500_DX_S_SWIZ_B (2 << 8)
+# define R500_DX_S_SWIZ_A (3 << 8)
+# define R500_DX_T_SWIZ_R (0 << 10)
+# define R500_DX_T_SWIZ_G (1 << 10)
+# define R500_DX_T_SWIZ_B (2 << 10)
+# define R500_DX_T_SWIZ_A (3 << 10)
+# define R500_DX_R_SWIZ_R (0 << 12)
+# define R500_DX_R_SWIZ_G (1 << 12)
+# define R500_DX_R_SWIZ_B (2 << 12)
+# define R500_DX_R_SWIZ_A (3 << 12)
+# define R500_DX_Q_SWIZ_R (0 << 14)
+# define R500_DX_Q_SWIZ_G (1 << 14)
+# define R500_DX_Q_SWIZ_B (2 << 14)
+# define R500_DX_Q_SWIZ_A (3 << 14)
+# define R500_DY_ADDR(x) ((x) << 16)
+# define R500_DY_ADDR_REL (1 << 17)
+# define R500_DY_S_SWIZ_R (0 << 24)
+# define R500_DY_S_SWIZ_G (1 << 24)
+# define R500_DY_S_SWIZ_B (2 << 24)
+# define R500_DY_S_SWIZ_A (3 << 24)
+# define R500_DY_T_SWIZ_R (0 << 26)
+# define R500_DY_T_SWIZ_G (1 << 26)
+# define R500_DY_T_SWIZ_B (2 << 26)
+# define R500_DY_T_SWIZ_A (3 << 26)
+# define R500_DY_R_SWIZ_R (0 << 28)
+# define R500_DY_R_SWIZ_G (1 << 28)
+# define R500_DY_R_SWIZ_B (2 << 28)
+# define R500_DY_R_SWIZ_A (3 << 28)
+# define R500_DY_Q_SWIZ_R (0 << 30)
+# define R500_DY_Q_SWIZ_G (1 << 30)
+# define R500_DY_Q_SWIZ_B (2 << 30)
+# define R500_DY_Q_SWIZ_A (3 << 30)
+#define R500_US_TEX_INST_0 0x9000
+# define R500_TEX_ID(x) ((x) << 16)
+# define R500_TEX_INST_NOP (0 << 22)
+# define R500_TEX_INST_LD (1 << 22)
+# define R500_TEX_INST_TEXKILL (2 << 22)
+# define R500_TEX_INST_PROJ (3 << 22)
+# define R500_TEX_INST_LODBIAS (4 << 22)
+# define R500_TEX_INST_LOD (5 << 22)
+# define R500_TEX_INST_DXDY (6 << 22)
+# define R500_TEX_SEM_ACQUIRE (1 << 25)
+# define R500_TEX_IGNORE_UNCOVERED (1 << 26)
+# define R500_TEX_UNSCALED (1 << 27)
+#define R300_US_W_FMT 0x46b4
+# define R300_W_FMT_W0 (0 << 0)
+# define R300_W_FMT_W24 (1 << 0)
+# define R300_W_FMT_W24FP (2 << 0)
+# define R300_W_SRC_US (0 << 2)
+# define R300_W_SRC_RAS (1 << 2)
+
+
+/* Draw a primitive from vertex data in arrays loaded via 3D_LOAD_VBPNTR.
+ * Two parameter dwords:
+ * 0. VAP_VTX_FMT: The first parameter is not written to hardware
+ * 1. VAP_VF_CTL: The second parameter is a standard primitive emission dword.
+ */
+#define R300_PACKET3_3D_DRAW_VBUF 0x00002800
+
+/* Draw a primitive from immediate vertices in this packet
+ * Up to 16382 dwords:
+ * 0. VAP_VTX_FMT: The first parameter is not written to hardware
+ * 1. VAP_VF_CTL: The second parameter is a standard primitive emission dword.
+ * 2 to end: Up to 16380 dwords of vertex data.
+ */
+#define R300_PACKET3_3D_DRAW_IMMD 0x00002900
+
+/* Draw a primitive from vertex data in arrays loaded via 3D_LOAD_VBPNTR and
+ * immediate vertices in this packet
+ * Up to 16382 dwords:
+ * 0. VAP_VTX_FMT: The first parameter is not written to hardware
+ * 1. VAP_VF_CTL: The second parameter is a standard primitive emission dword.
+ * 2 to end: Up to 16380 dwords of vertex data.
+ */
+#define R300_PACKET3_3D_DRAW_INDX 0x00002A00
+
+
+/* Specify the full set of vertex arrays as (address, stride).
+ * The first parameter is the number of vertex arrays specified.
+ * The rest of the command is a variable length list of blocks, where
+ * each block is three dwords long and specifies two arrays.
+ * The first dword of a block is split into two words, the lower significant
+ * word refers to the first array, the more significant word to the second
+ * array in the block.
+ * The low byte of each word contains the size of an array entry in dwords,
+ * the high byte contains the stride of the array.
+ * The second dword of a block contains the pointer to the first array,
+ * the third dword of a block contains the pointer to the second array.
+ * Note that if the total number of arrays is odd, the third dword of
+ * the last block is omitted.
+ */
+#define R300_PACKET3_3D_LOAD_VBPNTR 0x00002F00
+
+#define R300_PACKET3_INDX_BUFFER 0x00003300
+# define R300_INDX_BUFFER_DST_SHIFT 0
+# define R300_INDX_BUFFER_SKIP_SHIFT 16
+# define R300_INDX_BUFFER_ONE_REG_WR (1<<31)
+
+/* Same as R300_PACKET3_3D_DRAW_VBUF but without VAP_VTX_FMT */
+#define R300_PACKET3_3D_DRAW_VBUF_2 0x00003400
+/* Same as R300_PACKET3_3D_DRAW_IMMD but without VAP_VTX_FMT */
+#define R300_PACKET3_3D_DRAW_IMMD_2 0x00003500
+/* Same as R300_PACKET3_3D_DRAW_INDX but without VAP_VTX_FMT */
+#define R300_PACKET3_3D_DRAW_INDX_2 0x00003600
+
+/* Clears a portion of hierachical Z RAM
+ * 3 dword parameters
+ * 0. START
+ * 1. COUNT: 13:0 (max is 0x3FFF)
+ * 2. CLEAR_VALUE: Value to write into HIZ RAM.
+ */
+#define R300_PACKET3_3D_CLEAR_HIZ 0x00003700
+
+/* Draws a set of primitives using vertex buffers pointed by the state data.
+ * At least 2 Parameters:
+ * 0. VAP_VF_CNTL: The first parameter is a standard primitive emission dword.
+ * 2 to end: Data or indices (see other 3D_DRAW_* packets for details)
+ */
+#define R300_PACKET3_3D_DRAW_128 0x00003900
+
+/* END: Packet 3 commands */
+
+
+/* Color formats for 2d packets
+ */
+#define R300_CP_COLOR_FORMAT_CI8 2
+#define R300_CP_COLOR_FORMAT_ARGB1555 3
+#define R300_CP_COLOR_FORMAT_RGB565 4
+#define R300_CP_COLOR_FORMAT_ARGB8888 6
+#define R300_CP_COLOR_FORMAT_RGB332 7
+#define R300_CP_COLOR_FORMAT_RGB8 9
+#define R300_CP_COLOR_FORMAT_ARGB4444 15
+
+/*
+ * CP type-3 packets
+ */
+#define R300_CP_CMD_BITBLT_MULTI 0xC0009B00
+
+/* XXX Corbin's stuff from radeon and r200 */
+
+#define RADEON_WAIT_UNTIL 0x1720
+# define RADEON_WAIT_CRTC_PFLIP (1 << 0)
+# define RADEON_WAIT_2D_IDLECLEAN (1 << 16)
+# define RADEON_WAIT_3D_IDLECLEAN (1 << 17)
+# define RADEON_WAIT_HOST_IDLECLEAN (1 << 18)
+
+#define RADEON_CP_PACKET3 0xC0000000
+
+#define R200_3D_DRAW_IMMD_2 0xC0003500
+
+/* XXX Oh look, stuff not brought over from docs yet */
+
+#define R300_SU_REG_DEST 0x42C8
+
+#endif /* _R300_REG_H */
+
+/* *INDENT-ON* */
+
+/* vim: set foldenable foldmarker=\\{,\\} foldmethod=marker : */