diff options
Diffstat (limited to 'drivers/char/drm/r300_reg.h')
| -rw-r--r-- | drivers/char/drm/r300_reg.h | 1412 |
1 files changed, 1412 insertions, 0 deletions
diff --git a/drivers/char/drm/r300_reg.h b/drivers/char/drm/r300_reg.h new file mode 100644 index 000000000000..c3e7ca3dbe3d --- /dev/null +++ b/drivers/char/drm/r300_reg.h @@ -0,0 +1,1412 @@ +/************************************************************************** + +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. + +**************************************************************************/ + +#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 + + +/* 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 + +/* BEGIN: Wild guesses */ +#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_PRESENT (1<<1) +# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_1_PRESENT (1<<2) /* GUESS */ +# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_2_PRESENT (1<<3) /* GUESS */ +# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_3_PRESENT (1<<4) /* GUESS */ +# define R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT (1<<16) /* GUESS */ + +#define R300_VAP_OUTPUT_VTX_FMT_1 0x2094 +# 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 +/* END */ + +#define R300_SE_VTE_CNTL 0x20b0 +# define R300_VPORT_X_SCALE_ENA 0x00000001 +# define R300_VPORT_X_OFFSET_ENA 0x00000002 +# define R300_VPORT_Y_SCALE_ENA 0x00000004 +# define R300_VPORT_Y_OFFSET_ENA 0x00000008 +# define R300_VPORT_Z_SCALE_ENA 0x00000010 +# define R300_VPORT_Z_OFFSET_ENA 0x00000020 +# define R300_VTX_XY_FMT 0x00000100 +# define R300_VTX_Z_FMT 0x00000200 +# define R300_VTX_W0_FMT 0x00000400 +# define R300_VTX_W0_NORMALIZE 0x00000800 +# define R300_VTX_ST_DENORMALIZED 0x00001000 + +/* BEGIN: Vertex data assembly - lots of uncertainties */ +/* 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_INPUT_ROUTE_0_0 0x2150 +# define R300_INPUT_ROUTE_COMPONENTS_1 (0 << 0) +# define R300_INPUT_ROUTE_COMPONENTS_2 (1 << 0) +# define R300_INPUT_ROUTE_COMPONENTS_3 (2 << 0) +# define R300_INPUT_ROUTE_COMPONENTS_4 (3 << 0) +# define R300_INPUT_ROUTE_COMPONENTS_RGBA (4 << 0) /* GUESS */ +# define R300_VAP_INPUT_ROUTE_IDX_SHIFT 8 +# define R300_VAP_INPUT_ROUTE_IDX_MASK (31 << 8) /* GUESS */ +# define R300_VAP_INPUT_ROUTE_END (1 << 13) +# define R300_INPUT_ROUTE_IMMEDIATE_MODE (0 << 14) /* GUESS */ +# define R300_INPUT_ROUTE_FLOAT (1 << 14) /* GUESS */ +# define R300_INPUT_ROUTE_UNSIGNED_BYTE (2 << 14) /* GUESS */ +# define R300_INPUT_ROUTE_FLOAT_COLOR (3 << 14) /* GUESS */ +#define R300_VAP_INPUT_ROUTE_0_1 0x2154 +#define R300_VAP_INPUT_ROUTE_0_2 0x2158 +#define R300_VAP_INPUT_ROUTE_0_3 0x215C +#define R300_VAP_INPUT_ROUTE_0_4 0x2160 +#define R300_VAP_INPUT_ROUTE_0_5 0x2164 +#define R300_VAP_INPUT_ROUTE_0_6 0x2168 +#define R300_VAP_INPUT_ROUTE_0_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_INPUT_CNTL_0 0x2180 +# define R300_INPUT_CNTL_0_COLOR 0x00000001 +#define R300_VAP_INPUT_CNTL_1 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 */ + +/* 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_INPUT_ROUTE_1_0 0x21E0 +# 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_INPUT_ROUTE_SELECT_MASK 7 +# define R300_INPUT_ROUTE_X_SHIFT 0 +# define R300_INPUT_ROUTE_Y_SHIFT 3 +# define R300_INPUT_ROUTE_Z_SHIFT 6 +# define R300_INPUT_ROUTE_W_SHIFT 9 +# define R300_INPUT_ROUTE_ENABLE (15 << 12) +#define R300_VAP_INPUT_ROUTE_1_1 0x21E4 +#define R300_VAP_INPUT_ROUTE_1_2 0x21E8 +#define R300_VAP_INPUT_ROUTE_1_3 0x21EC +#define R300_VAP_INPUT_ROUTE_1_4 0x21F0 +#define R300_VAP_INPUT_ROUTE_1_5 0x21F4 +#define R300_VAP_INPUT_ROUTE_1_6 0x21F8 +#define R300_VAP_INPUT_ROUTE_1_7 0x21FC + +/* END */ + +/* 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_UPLOAD_ADDRESS 0x2200 +# define R300_PVS_UPLOAD_PROGRAM 0x00000000 +# define R300_PVS_UPLOAD_PARAMETERS 0x00000200 +# define R300_PVS_UPLOAD_POINTSIZE 0x00000406 +/* gap */ +#define R300_VAP_PVS_UPLOAD_DATA 0x2208 +/* END */ + +/* 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. */ +#define R300_VAP_UNKNOWN_221C 0x221C +# define R300_221C_NORMAL 0x00000000 +# define R300_221C_CLEAR 0x0001C000 + +/* 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_WAITIDLE 0x2284 /* GUESS */ + +/* Absolutely no clue what this register is about. */ +#define R300_VAP_UNKNOWN_2288 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 +// CNTL_1_UNKNOWN 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_CNTL_1 0x22D0 +# define R300_PVS_CNTL_1_PROGRAM_START_SHIFT 0 +# define R300_PVS_CNTL_1_POS_END_SHIFT 10 +# define R300_PVS_CNTL_1_PROGRAM_END_SHIFT 20 +/* Addresses are relative the the vertex program parameters area. */ +#define R300_VAP_PVS_CNTL_2 0x22D4 +# define R300_PVS_CNTL_2_PARAM_OFFSET_SHIFT 0 +# define R300_PVS_CNTL_2_PARAM_COUNT_SHIFT 16 +#define R300_VAP_PVS_CNTL_3 0x22D8 +# define R300_PVS_CNTL_3_PROGRAM_UNKNOWN_SHIFT 10 +# define R300_PVS_CNTL_3_PROGRAM_UNKNOWN2_SHIFT 0 + +/* 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 +#define R300_VAP_VTX_END_OF_PKT 0x24AC /* write 0 to indicate end of packet? */ + +/* 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 */ +#define R300_GB_ENABLE 0x4008 +# define R300_GB_POINT_STUFF_ENABLE (1<<0) +# define R300_GB_LINE_STUFF_ENABLE (1<<1) +# define R300_GB_TRIANGLE_STUFF_ENABLE (1<<2) +# define R300_GB_STENCIL_AUTO_ENABLE (1<<4) +# define R300_GB_UNK30 (1<<30) + /* each of the following is 2 bits wide */ +#define R300_GB_TEX_REPLICATE 0 +#define R300_GB_TEX_ST 1 +#define R300_GB_TEX_STR 2 +# 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 + + +#define R300_GB_TILE_CONFIG 0x4018 +# define R300_GB_TILE_ENABLE (1<<0) +# define R300_GB_TILE_PIPE_COUNT_RV300 0 +# define R300_GB_TILE_PIPE_COUNT_R300 (3<<1) +# define R300_GB_TILE_PIPE_COUNT_R420 (7<<1) +# define R300_GB_TILE_SIZE_8 0 +# 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 +# define R300_GB_SUPER_TILE_B (1<<15) +# define R300_GB_SUBPIXEL_1_12 0 +# define R300_GB_SUBPIXEL_1_16 (1<<16) + +#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 R300_GB_SELECT 0x401C +# define R300_GB_FOG_SELECT_C0A 0 +# define R300_GB_FOG_SELECT_C1A 1 +# define R300_GB_FOG_SELECT_C2A 2 +# define R300_GB_FOG_SELECT_C3A 3 +# define R300_GB_FOG_SELECT_1_1_W 4 +# define R300_GB_FOG_SELECT_Z 5 +# define R300_GB_DEPTH_SELECT_Z 0 +# define R300_GB_DEPTH_SELECT_1_1_W (1<<3) +# define R300_GB_W_SELECT_1_W 0 +# define R300_GB_W_SELECT_1 (1<<4) + +#define R300_GB_AA_CONFIG 0x4020 +# define R300_AA_ENABLE 0x01 +# define R300_AA_SUBSAMPLES_2 0 +# define R300_AA_SUBSAMPLES_3 (1<<1) +# define R300_AA_SUBSAMPLES_4 (2<<1) +# define R300_AA_SUBSAMPLES_6 (3<<1) + +/* END */ + +/* gap */ +/* 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) + +/* The pointsize is given in multiples of 6. The pointsize can be +// enormous: Clear() renders a single point that fills the entire +// framebuffer. */ +#define R300_RE_POINTSIZE 0x421C +# define R300_POINTSIZE_Y_SHIFT 0 +# define R300_POINTSIZE_Y_MASK (0xFFFF << 0) /* GUESS */ +# define R300_POINTSIZE_X_SHIFT 16 +# define R300_POINTSIZE_X_MASK (0xFFFF << 16) /* GUESS */ +# define R300_POINTSIZE_MAX (R300_POINTSIZE_Y_MASK / 6) + +/* 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_RE_LINE_CNT 0x4234 +# define R300_LINESIZE_SHIFT 0 +# define R300_LINESIZE_MASK (0xFFFF << 0) /* GUESS */ +# define R300_LINESIZE_MAX (R300_LINESIZE_MASK / 6) +# define R300_LINE_CNT_HO (1 << 16) +# define R300_LINE_CNT_VE (1 << 17) + +/* Some sort of scale or clamp value for texcoordless textures. */ +#define R300_RE_UNK4238 0x4238 + +#define R300_RE_SHADE_MODEL 0x4278 +# define R300_RE_SHADE_MODEL_SMOOTH 0x3aaaa +# define R300_RE_SHADE_MODEL_FLAT 0x39595 + +/* Dangerous */ +#define R300_RE_POLYGON_MODE 0x4288 +# define R300_PM_ENABLED (1 << 0) +# define R300_PM_FRONT_POINT (0 << 0) +# define R300_PM_BACK_POINT (0 << 0) +# define R300_PM_FRONT_LINE (1 << 4) +# define R300_PM_FRONT_FILL (1 << 5) +# define R300_PM_BACK_LINE (1 << 7) +# define R300_PM_BACK_FILL (1 << 8) + +/* 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_RE_ZBIAS_T_FACTOR 0x42A4 +#define R300_RE_ZBIAS_T_CONSTANT 0x42A8 +#define R300_RE_ZBIAS_W_FACTOR 0x42AC +#define R300_RE_ZBIAS_W_CONSTANT 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_RE_OCCLUSION_CNTL 0x42B4 +# define R300_OCCLUSION_ON (1<<1) + +#define R300_RE_CULL_CNTL 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) + + +/* BEGIN: Rasterization / Interpolators - many guesses +// 0_UNKNOWN_18 has always been set except for clear operations. +// 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_CNTL_0 0x4300 +# define R300_RS_CNTL_TC_CNT_SHIFT 2 +# define R300_RS_CNTL_TC_CNT_MASK (7 << 2) +# define R300_RS_CNTL_CI_CNT_SHIFT 7 /* number of color interpolators used */ +# define R300_RS_CNTL_0_UNKNOWN_18 (1 << 18) +/* Guess: RS_CNTL_1 holds the index of the highest used RS_ROUTE_n register. */ +#define R300_RS_CNTL_1 0x4304 + +/* 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_INTERP_0 0x4310 +#define R300_RS_INTERP_1 0x4314 +# define R300_RS_INTERP_1_UNKNOWN 0x40 +#define R300_RS_INTERP_2 0x4318 +# define R300_RS_INTERP_2_UNKNOWN 0x80 +#define R300_RS_INTERP_3 0x431C +# define R300_RS_INTERP_3_UNKNOWN 0xC0 +#define R300_RS_INTERP_4 0x4320 +#define R300_RS_INTERP_5 0x4324 +#define R300_RS_INTERP_6 0x4328 +#define R300_RS_INTERP_7 0x432C +# define R300_RS_INTERP_SRC_SHIFT 2 +# define R300_RS_INTERP_SRC_MASK (7 << 2) +# define R300_RS_INTERP_USED 0x00D10000 + +/* These DWORDs control how vertex data is routed into fragment program +// registers, after interpolators. */ +#define R300_RS_ROUTE_0 0x4330 +#define R300_RS_ROUTE_1 0x4334 +#define R300_RS_ROUTE_2 0x4338 +#define R300_RS_ROUTE_3 0x433C /* GUESS */ +#define R300_RS_ROUTE_4 0x4340 /* GUESS */ +#define R300_RS_ROUTE_5 0x4344 /* GUESS */ +#define R300_RS_ROUTE_6 0x4348 /* GUESS */ +#define R300_RS_ROUTE_7 0x434C /* GUESS */ +# define R300_RS_ROUTE_SOURCE_INTERP_0 0 +# define R300_RS_ROUTE_SOURCE_INTERP_1 1 +# define R300_RS_ROUTE_SOURCE_INTERP_2 2 +# define R300_RS_ROUTE_SOURCE_INTERP_3 3 +# define R300_RS_ROUTE_SOURCE_INTERP_4 4 +# define R300_RS_ROUTE_SOURCE_INTERP_5 5 /* GUESS */ +# define R300_RS_ROUTE_SOURCE_INTERP_6 6 /* GUESS */ +# define R300_RS_ROUTE_SOURCE_INTERP_7 7 /* GUESS */ +# define R300_RS_ROUTE_ENABLE (1 << 3) /* GUESS */ +# define R300_RS_ROUTE_DEST_SHIFT 6 +# define R300_RS_ROUTE_DEST_MASK (31 << 6) /* GUESS */ + +/* Special handling for color: When the fragment program uses color, +// the ROUTE_0_COLOR bit is set and ROUTE_0_COLOR_DEST contains the +// color register index. */ +# define R300_RS_ROUTE_0_COLOR (1 << 14) +# define R300_RS_ROUTE_0_COLOR_DEST_SHIFT 17 +# define R300_RS_ROUTE_0_COLOR_DEST_MASK (31 << 17) /* GUESS */ +/* As above, but for secondary color */ +# define R300_RS_ROUTE_1_COLOR1 (1 << 14) +# define R300_RS_ROUTE_1_COLOR1_DEST_SHIFT 17 +# define R300_RS_ROUTE_1_COLOR1_DEST_MASK (31 << 17) +# define R300_RS_ROUTE_1_UNKNOWN11 (1 << 11) +/* END */ + +/* 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_RE_CLIPRECT_TL_0 0x43B0 +#define R300_RE_CLIPRECT_BR_0 0x43B4 +#define R300_RE_CLIPRECT_TL_1 0x43B8 +#define R300_RE_CLIPRECT_BR_1 0x43BC +#define R300_RE_CLIPRECT_TL_2 0x43C0 +#define R300_RE_CLIPRECT_BR_2 0x43C4 +#define R300_RE_CLIPRECT_TL_3 0x43C8 +#define R300_RE_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_RE_CLIPRECT_CNTL 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_RE_SCISSORS_TL 0x43E0 +#define R300_RE_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) +/* END */ + +/* 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_FILTER_0 0x4400 +# define R300_TX_REPEAT 0 +# define R300_TX_MIRRORED 1 +# define R300_TX_CLAMP 4 +# define R300_TX_CLAMP_TO_EDGE 2 +# define R300_TX_CLAMP_TO_BORDER 6 +# 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_Q_SHIFT 6 +# define R300_TX_WRAP_Q_MASK (7 << 6) +# define R300_TX_MAG_FILTER_NEAREST (1 << 9) +# define R300_TX_MAG_FILTER_LINEAR (2 << 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_NEAREST_MIP_NEAREST (5 << 11) +# define R300_TX_MIN_FILTER_NEAREST_MIP_LINEAR (9 << 11) +# define R300_TX_MIN_FILTER_LINEAR_MIP_NEAREST (6 << 11) +# define R300_TX_MIN_FILTER_LINEAR_MIP_LINEAR (10 << 11) + +/* NOTE: NEAREST doesnt seem to exist. + Im not seting MAG_FILTER_MASK and (3 << 11) on for all + anisotropy modes because that would void selected mag filter */ +# define R300_TX_MIN_FILTER_ANISO_NEAREST ((0 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/) +# define R300_TX_MIN_FILTER_ANISO_LINEAR ((0 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/) +# define R300_TX_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST ((1 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/) +# define R300_TX_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR ((2 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/) +# define R300_TX_MIN_FILTER_MASK ( (15 << 11) | (3 << 13) ) +# define R300_TX_MAX_ANISO_1_TO_1 (0 << 21) +# define R300_TX_MAX_ANISO_2_TO_1 (2 << 21) +# define R300_TX_MAX_ANISO_4_TO_1 (4 << 21) +# define R300_TX_MAX_ANISO_8_TO_1 (6 << 21) +# define R300_TX_MAX_ANISO_16_TO_1 (8 << 21) +# define R300_TX_MAX_ANISO_MASK (14 << 21) + +#define R300_TX_UNK1_0 0x4440 +# define R300_LOD_BIAS_MASK 0x1fff + +#define R300_TX_SIZE_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_UNK23 (1 << 23) +# define R300_TX_SIZE_SHIFT 26 /* largest of width, height */ +# define R300_TX_SIZE_MASK (15 << 26) +#define R300_TX_FORMAT_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_D3DMFT_CxV8U8 0x12 /* no swizzle */ +# define R300_TX_FORMAT_A8R8G8B8 0x13 /* no swizzle */ +# define R300_TX_FORMAT_B8G8_B8G8 0x14 /* no swizzle */ +# define R300_TX_FORMAT_G8R8_G8B8 0x15 /* no swizzle */ + /* 0x16 - some 16 bit green format.. ?? */ +# define R300_TX_FORMAT_UNK25 (1 << 25) /* no swizzle */ + + /* gap */ + /* Floating point formats */ + /* Note - hardware supports both 16 and 32 bit floating point */ +# define R300_TX_FORMAT_FL_I16 0x18 +# define R300_TX_FORMAT_FL_I16A16 0x19 +# define R300_TX_FORMAT_FL_R16G16B16A16 0x1A +# define R300_TX_FORMAT_FL_I32 0x1B +# define R300_TX_FORMAT_FL_I32A32 0x1C +# define R300_TX_FORMAT_FL_R32G32B32A32 0x1D + /* 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 +# define R300_TX_FORMAT_CUT_Z 6 /* 2.0*Z, everything above 1.0 is set to 0.0 */ +# define R300_TX_FORMAT_CUT_W 7 /* 2.0*W, everything above 1.0 is set to 0.0 */ + +# 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_YUV_MODE 0x00800000 + +#define R300_TX_OFFSET_0 0x4540 +/* 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_OFFSET_MASK 0xffffffe0 +# define R300_TXO_OFFSET_SHIFT 5 +/* END */ +#define R300_TX_UNK4_0 0x4580 +#define R300_TX_BORDER_COLOR_0 0x45C0 //ff00ff00 == { 0, 1.0, 0, 1.0 } + +/* END */ + +/* 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_PFS_CNTL_0 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_PFS_CNTL_1 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_PFS_CNTL_2 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 << 0) +# define R300_PFS_CNTL_TEX_OFFSET_SHIFT 12 +# define R300_PFS_CNTL_TEX_OFFSET_MASK (31 << 12) /* GUESS */ +# define R300_PFS_CNTL_TEX_END_SHIFT 18 +# define R300_PFS_CNTL_TEX_END_MASK (31 << 18) /* GUESS */ + +/* 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. +// LAST_NODE is set for the last node, and only for the last node. */ +#define R300_PFS_NODE_0 0x4610 +#define R300_PFS_NODE_1 0x4614 +#define R300_PFS_NODE_2 0x4618 +#define R300_PFS_NODE_3 0x461C +# define R300_PFS_NODE_ALU_OFFSET_SHIFT 0 +# define R300_PFS_NODE_ALU_OFFSET_MASK (63 << 0) +# define R300_PFS_NODE_ALU_END_SHIFT 6 +# define R300_PFS_NODE_ALU_END_MASK (63 << 6) +# define R300_PFS_NODE_TEX_OFFSET_SHIFT 12 +# define R300_PFS_NODE_TEX_OFFSET_MASK (31 << 12) +# define R300_PFS_NODE_TEX_END_SHIFT 17 +# define R300_PFS_NODE_TEX_END_MASK (31 << 17) +# define R300_PFS_NODE_LAST_NODE (1 << 22) + +/* 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_PFS_TEXI_0 0x4620 +# define R300_FPITX_SRC_SHIFT 0 +# define R300_FPITX_SRC_MASK (31 << 0) +# define R300_FPITX_SRC_CONST (1 << 5) /* GUESS */ +# define R300_FPITX_DST_SHIFT 6 +# define R300_FPITX_DST_MASK (31 << 6) +# define R300_FPITX_IMAGE_SHIFT 11 +# define R300_FPITX_IMAGE_MASK (15 << 11) /* GUESS based on layout and native limits */ +/* Unsure if these are opcodes, or some kind of bitfield, but this is how + * they were set when I checked + */ +# define R300_FPITX_OPCODE_SHIFT 15 +# define R300_FPITX_OP_TEX 1 +# define R300_FPITX_OP_TXP 3 +# define R300_FPITX_OP_TXB 4 + +/* 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 +// - 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 alll 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_PFS_INSTR1_0 0x46C0 +# define R300_FPI1_SRC0C_SHIFT 0 +# define R300_FPI1_SRC0C_MASK (31 << 0) +# define R300_FPI1_SRC0C_CONST (1 << 5) +# define R300_FPI1_SRC1C_SHIFT 6 +# define R300_FPI1_SRC1C_MASK (31 << 6) +# define R300_FPI1_SRC1C_CONST (1 << 11) +# define R300_FPI1_SRC2C_SHIFT 12 +# define R300_FPI1_SRC2C_MASK (31 << 12) +# define R300_FPI1_SRC2C_CONST (1 << 17) +# define R300_FPI1_DSTC_SHIFT 18 +# define R300_FPI1_DSTC_MASK (31 << 18) +# define R300_FPI1_DSTC_REG_X (1 << 23) +# define R300_FPI1_DSTC_REG_Y (1 << 24) +# define R300_FPI1_DSTC_REG_Z (1 << 25) +# define R300_FPI1_DSTC_OUTPUT_X (1 << 26) +# define R300_FPI1_DSTC_OUTPUT_Y (1 << 27) +# define R300_FPI1_DSTC_OUTPUT_Z (1 << 28) + +#define R300_PFS_INSTR3_0 0x47C0 +# define R300_FPI3_SRC0A_SHIFT 0 +# define R300_FPI3_SRC0A_MASK (31 << 0) +# define R300_FPI3_SRC0A_CONST (1 << 5) +# define R300_FPI3_SRC1A_SHIFT 6 +# define R300_FPI3_SRC1A_MASK (31 << 6) +# define R300_FPI3_SRC1A_CONST (1 << 11) +# define R300_FPI3_SRC2A_SHIFT 12 +# define R300_FPI3_SRC2A_MASK (31 << 12) +# define R300_FPI3_SRC2A_CONST (1 << 17) +# define R300_FPI3_DSTA_SHIFT 18 +# define R300_FPI3_DSTA_MASK (31 << 18) +# define R300_FPI3_DSTA_REG (1 << 23) +# define R300_FPI3_DSTA_OUTPUT (1 << 24) + +#define R300_PFS_INSTR0_0 0x48C0 +# define R300_FPI0_ARGC_SRC0C_XYZ 0 +# define R300_FPI0_ARGC_SRC0C_XXX 1 +# define R300_FPI0_ARGC_SRC0C_YYY 2 +# define R300_FPI0_ARGC_SRC0C_ZZZ 3 +# define R300_FPI0_ARGC_SRC1C_XYZ 4 +# define R300_FPI0_ARGC_SRC1C_XXX 5 +# define R300_FPI0_ARGC_SRC1C_YYY 6 +# define R300_FPI0_ARGC_SRC1C_ZZZ 7 +# define R300_FPI0_ARGC_SRC2C_XYZ 8 +# define R300_FPI0_ARGC_SRC2C_XXX 9 +# define R300_FPI0_ARGC_SRC2C_YYY 10 +# define R300_FPI0_ARGC_SRC2C_ZZZ 11 +# define R300_FPI0_ARGC_SRC0A 12 +# define R300_FPI0_ARGC_SRC1A 13 +# define R300_FPI0_ARGC_SRC2A 14 +# define R300_FPI0_ARGC_SRC1C_LRP 15 +# define R300_FPI0_ARGC_ZERO 20 +# define R300_FPI0_ARGC_ONE 21 +# define R300_FPI0_ARGC_HALF 22 /* GUESS */ +# define R300_FPI0_ARGC_SRC0C_YZX 23 +# define R300_FPI0_ARGC_SRC1C_YZX 24 +# define R300_FPI0_ARGC_SRC2C_YZX 25 +# define R300_FPI0_ARGC_SRC0C_ZXY 26 +# define R300_FPI0_ARGC_SRC1C_ZXY 27 +# define R300_FPI0_ARGC_SRC2C_ZXY 28 +# define R300_FPI0_ARGC_SRC0CA_WZY 29 +# define R300_FPI0_ARGC_SRC1CA_WZY 30 +# define R300_FPI0_ARGC_SRC2CA_WZY 31 + +# define R300_FPI0_ARG0C_SHIFT 0 +# define R300_FPI0_ARG0C_MASK (31 << 0) +# define R300_FPI0_ARG0C_NEG (1 << 5) +# define R300_FPI0_ARG0C_ABS (1 << 6) +# define R300_FPI0_ARG1C_SHIFT 7 +# define R300_FPI0_ARG1C_MASK (31 << 7) +# define R300_FPI0_ARG1C_NEG (1 << 12) +# define R300_FPI0_ARG1C_ABS (1 << 13) +# define R300_FPI0_ARG2C_SHIFT 14 +# define R300_FPI0_ARG2C_MASK (31 << 14) +# define R300_FPI0_ARG2C_NEG (1 << 19) +# define R300_FPI0_ARG2C_ABS (1 << 20) +# define R300_FPI0_SPECIAL_LRP (1 << 21) +# define R300_FPI0_OUTC_MAD (0 << 23) +# define R300_FPI0_OUTC_DP3 (1 << 23) +# define R300_FPI0_OUTC_DP4 (2 << 23) +# define R300_FPI0_OUTC_MIN (4 << 23) +# define R300_FPI0_OUTC_MAX (5 << 23) +# define R300_FPI0_OUTC_CMP (8 << 23) +# define R300_FPI0_OUTC_FRC (9 << 23) +# define R300_FPI0_OUTC_REPL_ALPHA (10 << 23) +# define R300_FPI0_OUTC_SAT (1 << 30) +# define R300_FPI0_UNKNOWN_31 (1 << 31) + +#define R300_PFS_INSTR2_0 0x49C0 +# define R300_FPI2_ARGA_SRC0C_X 0 +# define R300_FPI2_ARGA_SRC0C_Y 1 +# define R300_FPI2_ARGA_SRC0C_Z 2 +# define R300_FPI2_ARGA_SRC1C_X 3 +# define R300_FPI2_ARGA_SRC1C_Y 4 +# define R300_FPI2_ARGA_SRC1C_Z 5 +# define R300_FPI2_ARGA_SRC2C_X 6 +# define R300_FPI2_ARGA_SRC2C_Y 7 +# define R300_FPI2_ARGA_SRC2C_Z 8 +# define R300_FPI2_ARGA_SRC0A 9 +# define R300_FPI2_ARGA_SRC1A 10 +# define R300_FPI2_ARGA_SRC2A 11 +# define R300_FPI2_ARGA_SRC1A_LRP 15 +# define R300_FPI2_ARGA_ZERO 16 +# define R300_FPI2_ARGA_ONE 17 +# define R300_FPI2_ARGA_HALF 18 /* GUESS */ + +# define R300_FPI2_ARG0A_SHIFT 0 +# define R300_FPI2_ARG0A_MASK (31 << 0) +# define R300_FPI2_ARG0A_NEG (1 << 5) +# define R300_FPI2_ARG0A_ABS (1 << 6) /* GUESS */ +# define R300_FPI2_ARG1A_SHIFT 7 +# define R300_FPI2_ARG1A_MASK (31 << 7) +# define R300_FPI2_ARG1A_NEG (1 << 12) +# define R300_FPI2_ARG1A_ABS (1 << 13) /* GUESS */ +# define R300_FPI2_ARG2A_SHIFT 14 +# define R300_FPI2_ARG2A_MASK (31 << 14) +# define R300_FPI2_ARG2A_NEG (1 << 19) +# define R300_FPI2_ARG2A_ABS (1 << 20) /* GUESS */ +# define R300_FPI2_SPECIAL_LRP (1 << 21) +# define R300_FPI2_OUTA_MAD (0 << 23) +# define R300_FPI2_OUTA_DP4 (1 << 23) +# define R300_FPI2_OUTA_MIN (2 << 23) +# define R300_FPI2_OUTA_MAX (3 << 23) +# define R300_FPI2_OUTA_CMP (6 << 23) +# define R300_FPI2_OUTA_FRC (7 << 23) +# define R300_FPI2_OUTA_EX2 (8 << 23) +# define R300_FPI2_OUTA_LG2 (9 << 23) +# define R300_FPI2_OUTA_RCP (10 << 23) +# define R300_FPI2_OUTA_RSQ (11 << 23) +# define R300_FPI2_OUTA_SAT (1 << 30) +# define R300_FPI2_UNKNOWN_31 (1 << 31) +/* END */ + +/* gap */ +#define R300_PP_ALPHA_TEST 0x4BD4 +# define R300_REF_ALPHA_MASK 0x000000ff +# define R300_ALPHA_TEST_FAIL (0 << 8) +# define R300_ALPHA_TEST_LESS (1 << 8) +# define R300_ALPHA_TEST_LEQUAL (3 << 8) +# define R300_ALPHA_TEST_EQUAL (2 << 8) +# define R300_ALPHA_TEST_GEQUAL (6 << 8) +# define R300_ALPHA_TEST_GREATER (4 << 8) +# define R300_ALPHA_TEST_NEQUAL (5 << 8) +# define R300_ALPHA_TEST_PASS (7 << 8) +# define R300_ALPHA_TEST_OP_MASK (7 << 8) +# define R300_ALPHA_TEST_ENABLE (1 << 11) + +/* 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 +/* GUESS: PARAM_31 is last, based on native limits reported by fglrx */ +#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 + +/* 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_BLEND_ENABLE (1 << 0) +# define R300_BLEND_UNKNOWN (3 << 1) +# define R300_BLEND_NO_SEPARATE (1 << 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_SRC_BLEND_GL_ZERO (32 << 16) +# define R300_SRC_BLEND_GL_ONE (33 << 16) +# define R300_SRC_BLEND_GL_SRC_COLOR (34 << 16) +# define R300_SRC_BLEND_GL_ONE_MINUS_SRC_COLOR (35 << 16) +# define R300_SRC_BLEND_GL_DST_COLOR (36 << 16) +# define R300_SRC_BLEND_GL_ONE_MINUS_DST_COLOR (37 << 16) +# define R300_SRC_BLEND_GL_SRC_ALPHA (38 << 16) +# define R300_SRC_BLEND_GL_ONE_MINUS_SRC_ALPHA (39 << 16) +# define R300_SRC_BLEND_GL_DST_ALPHA (40 << 16) +# define R300_SRC_BLEND_GL_ONE_MINUS_DST_ALPHA (41 << 16) +# define R300_SRC_BLEND_GL_SRC_ALPHA_SATURATE (42 << 16) +# define R300_SRC_BLEND_MASK (63 << 16) +# define R300_DST_BLEND_GL_ZERO (32 << 24) +# define R300_DST_BLEND_GL_ONE (33 << 24) +# define R300_DST_BLEND_GL_SRC_COLOR (34 << 24) +# define R300_DST_BLEND_GL_ONE_MINUS_SRC_COLOR (35 << 24) +# define R300_DST_BLEND_GL_DST_COLOR (36 << 24) +# define R300_DST_BLEND_GL_ONE_MINUS_DST_COLOR (37 << 24) +# define R300_DST_BLEND_GL_SRC_ALPHA (38 << 24) +# define R300_DST_BLEND_GL_ONE_MINUS_SRC_ALPHA (39 << 24) +# define R300_DST_BLEND_GL_DST_ALPHA (40 << 24) +# define R300_DST_BLEND_GL_ONE_MINUS_DST_ALPHA (41 << 24) +# define R300_DST_BLEND_MASK (63 << 24) +#define R300_RB3D_COLORMASK 0x4E0C +# define R300_COLORMASK0_B (1<<0) +# define R300_COLORMASK0_G (1<<1) +# define R300_COLORMASK0_R (1<<2) +# define R300_COLORMASK0_A (1<<3) + +/* gap */ +#define R300_RB3D_COLOROFFSET0 0x4E28 +# define R300_COLOROFFSET_MASK 0xFFFFFFF0 /* GUESS */ +#define R300_RB3D_COLOROFFSET1 0x4E2C /* GUESS */ +#define R300_RB3D_COLOROFFSET2 0x4E30 /* GUESS */ +#define R300_RB3D_COLOROFFSET3 0x4E34 /* GUESS */ +/* gap */ +/* 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 0x00001FF8 /* GUESS */ +# define R300_COLOR_TILE_ENABLE (1 << 16) /* GUESS */ +# define R300_COLOR_MICROTILE_ENABLE (1 << 17) /* GUESS */ +# define R300_COLOR_ENDIAN_NO_SWAP (0 << 18) /* GUESS */ +# define R300_COLOR_ENDIAN_WORD_SWAP (1 << 18) /* GUESS */ +# define R300_COLOR_ENDIAN_DWORD_SWAP (2 << 18) /* GUESS */ +# define R300_COLOR_FORMAT_RGB565 (2 << 22) +# define R300_COLOR_FORMAT_ARGB8888 (3 << 22) +#define R300_RB3D_COLORPITCH1 0x4E3C /* GUESS */ +#define R300_RB3D_COLORPITCH2 0x4E40 /* GUESS */ +#define R300_RB3D_COLORPITCH3 0x4E44 /* GUESS */ + +/* gap */ +/* Guess by Vladimir. +// Set to 0A before 3D operations, set to 02 afterwards. */ +#define R300_RB3D_DSTCACHE_CTLSTAT 0x4E4C +# define R300_RB3D_DSTCACHE_02 0x00000002 +# define R300_RB3D_DSTCACHE_0A 0x0000000A + +/* 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_RB3D_ZSTENCIL_CNTL_0 0x4F00 +# define R300_RB3D_Z_DISABLED_1 0x00000010 /* GUESS */ +# define R300_RB3D_Z_DISABLED_2 0x00000014 /* GUESS */ +# define R300_RB3D_Z_TEST 0x00000012 +# define R300_RB3D_Z_TEST_AND_WRITE 0x00000016 +# define R300_RB3D_Z_WRITE_ONLY 0x00000006 + +# define R300_RB3D_Z_TEST 0x00000012 +# define R300_RB3D_Z_TEST_AND_WRITE 0x00000016 +# define R300_RB3D_Z_WRITE_ONLY 0x00000006 +# define R300_RB3D_STENCIL_ENABLE 0x00000001 + +#define R300_RB3D_ZSTENCIL_CNTL_1 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 + + /* front and back refer to operations done for front + and back faces, i.e. separate stencil function support */ +# define R300_RB3D_ZS1_DEPTH_FUNC_SHIFT 0 +# define R300_RB3D_ZS1_FRONT_FUNC_SHIFT 3 +# define R300_RB3D_ZS1_FRONT_FAIL_OP_SHIFT 6 +# define R300_RB3D_ZS1_FRONT_ZPASS_OP_SHIFT 9 +# define R300_RB3D_ZS1_FRONT_ZFAIL_OP_SHIFT 12 +# define R300_RB3D_ZS1_BACK_FUNC_SHIFT 15 +# define R300_RB3D_ZS1_BACK_FAIL_OP_SHIFT 18 +# define R300_RB3D_ZS1_BACK_ZPASS_OP_SHIFT 21 +# define R300_RB3D_ZS1_BACK_ZFAIL_OP_SHIFT 24 + + + +#define R300_RB3D_ZSTENCIL_CNTL_2 0x4F08 +# define R300_RB3D_ZS2_STENCIL_REF_SHIFT 0 +# define R300_RB3D_ZS2_STENCIL_MASK 0xFF +# define R300_RB3D_ZS2_STENCIL_MASK_SHIFT 8 +# define R300_RB3D_ZS2_STENCIL_WRITE_MASK_SHIFT 16 + +/* gap */ + +#define R300_RB3D_ZSTENCIL_FORMAT 0x4F10 +# define R300_DEPTH_FORMAT_16BIT_INT_Z (0 << 0) +# define R300_DEPTH_FORMAT_24BIT_INT_Z (2 << 0) + +/* gap */ +#define R300_RB3D_DEPTHOFFSET 0x4F20 +#define R300_RB3D_DEPTHPITCH 0x4F24 +# define R300_DEPTHPITCH_MASK 0x00001FF8 /* GUESS */ +# define R300_DEPTH_TILE_ENABLE (1 << 16) /* GUESS */ +# define R300_DEPTH_MICROTILE_ENABLE (1 << 17) /* GUESS */ +# define R300_DEPTH_ENDIAN_NO_SWAP (0 << 18) /* GUESS */ +# define R300_DEPTH_ENDIAN_WORD_SWAP (1 << 18) /* GUESS */ +# define R300_DEPTH_ENDIAN_DWORD_SWAP (2 << 18) /* GUESS */ + +/* BEGIN: Vertex program instruction set +// Every instruction is four dwords long: +// DWORD 0: output and opcode +// DWORD 1: first argument +// DWORD 2: second argument +// DWORD 3: third argument +// +// Notes: +// - ABS r, a is implemented as MAX r, a, -a +// - MOV is implemented as ADD to zero +// - XPD is implemented as MUL + MAD +// - FLR is implemented as FRC + ADD +// - apparently, fglrx tries to schedule instructions so that there is at least +// one instruction between the write to a temporary and the first read +// from said temporary; however, violations of this scheduling are allowed +// - register indices seem to be unrelated with OpenGL aliasing to conventional state +// - only one attribute and one parameter can be loaded at a time; however, the +// same attribute/parameter can be used for more than one argument +// - the second software argument for POW is the third hardware argument (no idea why) +// - MAD with only temporaries as input seems to use VPI_OUT_SELECT_MAD_2 +// +// There is some magic surrounding LIT: +// The single argument is replicated across all three inputs, but swizzled: +// First argument: xyzy +// Second argument: xyzx +// Third argument: xyzw +// Whenever the result is used later in the fragment program, fglrx forces x and w +// to be 1.0 in the input selection; I don't know whether this is strictly necessary */ +#define R300_VPI_OUT_OP_DOT (1 << 0) +#define R300_VPI_OUT_OP_MUL (2 << 0) +#define R300_VPI_OUT_OP_ADD (3 << 0) +#define R300_VPI_OUT_OP_MAD (4 << 0) +#define R300_VPI_OUT_OP_DST (5 << 0) +#define R300_VPI_OUT_OP_FRC (6 << 0) +#define R300_VPI_OUT_OP_MAX (7 << 0) +#define R300_VPI_OUT_OP_MIN (8 << 0) +#define R300_VPI_OUT_OP_SGE (9 << 0) +#define R300_VPI_OUT_OP_SLT (10 << 0) +#define R300_VPI_OUT_OP_UNK12 (12 << 0) /* Used in GL_POINT_DISTANCE_ATTENUATION_ARB, vector(scalar, vector) */ +#define R300_VPI_OUT_OP_EXP (65 << 0) +#define R300_VPI_OUT_OP_LOG (66 << 0) +#define R300_VPI_OUT_OP_UNK67 (67 << 0) /* Used in fog computations, scalar(scalar) */ +#define R300_VPI_OUT_OP_LIT (68 << 0) +#define R300_VPI_OUT_OP_POW (69 << 0) +#define R300_VPI_OUT_OP_RCP (70 << 0) +#define R300_VPI_OUT_OP_RSQ (72 << 0) +#define R300_VPI_OUT_OP_UNK73 (73 << 0) /* Used in GL_POINT_DISTANCE_ATTENUATION_ARB, scalar(scalar) */ +#define R300_VPI_OUT_OP_EX2 (75 << 0) +#define R300_VPI_OUT_OP_LG2 (76 << 0) +#define R300_VPI_OUT_OP_MAD_2 (128 << 0) +#define R300_VPI_OUT_OP_UNK129 (129 << 0) /* all temps, vector(scalar, vector, vector) */ + +#define R300_VPI_OUT_REG_CLASS_TEMPORARY (0 << 8) +#define R300_VPI_OUT_REG_CLASS_RESULT (2 << 8) +#define R300_VPI_OUT_REG_CLASS_MASK (31 << 8) + +#define R300_VPI_OUT_REG_INDEX_SHIFT 13 +#define R300_VPI_OUT_REG_INDEX_MASK (31 << 13) /* GUESS based on fglrx native limits */ + +#define R300_VPI_OUT_WRITE_X (1 << 20) +#define R300_VPI_OUT_WRITE_Y (1 << 21) +#define R300_VPI_OUT_WRITE_Z (1 << 22) +#define R300_VPI_OUT_WRITE_W (1 << 23) + +#define R300_VPI_IN_REG_CLASS_TEMPORARY (0 << 0) +#define R300_VPI_IN_REG_CLASS_ATTRIBUTE (1 << 0) +#define R300_VPI_IN_REG_CLASS_PARAMETER (2 << 0) +#define R300_VPI_IN_REG_CLASS_NONE (9 << 0) +#define R300_VPI_IN_REG_CLASS_MASK (31 << 0) /* GUESS */ + +#define R300_VPI_IN_REG_INDEX_SHIFT 5 +#define R300_VPI_IN_REG_INDEX_MASK (255 << 5) /* GUESS based on fglrx native limits */ + +/* The R300 can select components from the input register arbitrarily. +// Use the following constants, shifted by the component shift you +// want to select */ +#define R300_VPI_IN_SELECT_X 0 +#define R300_VPI_IN_SELECT_Y 1 +#define R300_VPI_IN_SELECT_Z 2 +#define R300_VPI_IN_SELECT_W 3 +#define R300_VPI_IN_SELECT_ZERO 4 +#define R300_VPI_IN_SELECT_ONE 5 +#define R300_VPI_IN_SELECT_MASK 7 + +#define R300_VPI_IN_X_SHIFT 13 +#define R300_VPI_IN_Y_SHIFT 16 +#define R300_VPI_IN_Z_SHIFT 19 +#define R300_VPI_IN_W_SHIFT 22 + +#define R300_VPI_IN_NEG_X (1 << 25) +#define R300_VPI_IN_NEG_Y (1 << 26) +#define R300_VPI_IN_NEG_Z (1 << 27) +#define R300_VPI_IN_NEG_W (1 << 28) +/* END */ + +//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) +#define R300_PRIM_TYPE_POINT_SPRITES (11 << 0) // GUESS (based on r200) +#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) +#define R300_PRIM_COLOR_ORDER_BGRA (0 << 6) // GUESS (based on r200) +#define R300_PRIM_COLOR_ORDER_RGBA (1 << 6) // GUESS +#define R300_PRIM_NUM_VERTICES_SHIFT 16 + +// Draw a primitive from vertex data in arrays loaded via 3D_LOAD_VBPNTR. +// Two parameter dwords: +// 0. The first parameter appears to be always 0 +// 1. The second parameter is a standard primitive emission dword. +#define R300_PACKET3_3D_DRAW_VBUF 0x00002800 + +// 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_EB_UNK1_SHIFT 24 +# define R300_EB_UNK1 (0x80<<24) +# define R300_EB_UNK2 0x0810 +#define R300_PACKET3_3D_DRAW_INDX_2 0x00003600 + +//END + +#endif /* _R300_REG_H */ |