/* * RadeonHD R6xx, R7xx DRI driver * * Copyright (C) 2008-2009 Alexander Deucher * Copyright (C) 2008-2009 Matthias Hopf * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL * BRIAN PAUL 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. */ /* * Shader macros */ #ifndef __SHADER_H__ #define __SHADER_H__ /* Restrictions of ALU instructions * order of scalar ops is always x,y,z,w,t(rans), last to be indicated by last==1. * max of 3 different src GPRs per instr. * max of 4 different cfile constant components per instr. * max of 2 (different) constants (any type) for t. * bank swizzle (see below). * GPR write stalls read of same register. Auto-replaced by PV/PS, NOP needed if registers are relative to * different indices (gpr,loop,nothing). * may use constant registers or constant cache, but not both. */ /* Bank_swizzle: (pp. 297ff) * Only one of each x,y,z,w GPR component can be loaded per cycle (3 cycles per instr, called 0-2). * per scalar instruction bank_swizzle can select which cycle each operand comes from. e.g.: * SRC0 SRC1 SRC2 SWIZZLE cycle0 cycle1 cycle2 * 1.x 2.x 012 1.x 2.x - * 3.x 1.y 201 1.y - 3.x * 2.x 1.y 102 (1.y) (2.x) - * If data is read in a cycle, multiple scalar instructions can reference it. * Special case: square() - i.e. same component in src0+src1 doesn't need read port -> ignores swizzle for src1. * No restrictions for constants or PV/PS. * t can load multiple components in a single cycle slot, but has to share cycles with xyzw. * t with single constant may not load GPRs or PV/PS in cycle 0 (carefull with ALU_TRANS_210). * t with two constants may only load GPRs or PV/PS in cycle 2. */ /* Oder of instructions: All CF, All ALU, All Tex/Vtx fetches */ // CF insts // addr #define ADDR(x) (x) // pc #define POP_COUNT(x) (x) // const #define CF_CONST(x) (x) // cond #define COND(x) (x) // SQ_COND_* // count #define I_COUNT(x) ((x) ? ((x) - 1) : 0) //r7xx #define COUNT_3(x) (x) // call count #define CALL_COUNT(x) (x) // eop #define END_OF_PROGRAM(x) (x) // vpm #define VALID_PIXEL_MODE(x) (x) // cf inst #define CF_INST(x) (x) // SQ_CF_INST_* // wqm #define WHOLE_QUAD_MODE(x) (x) // barrier #define BARRIER(x) (x) //kb0 #define KCACHE_BANK0(x) (x) //kb1 #define KCACHE_BANK1(x) (x) // km0/1 #define KCACHE_MODE0(x) (x) #define KCACHE_MODE1(x) (x) // SQ_CF_KCACHE_* // #define KCACHE_ADDR0(x) (x) #define KCACHE_ADDR1(x) (x) // uw #define USES_WATERFALL(x) (x) #define ARRAY_BASE(x) (x) // export pixel #define CF_PIXEL_MRT0 0 #define CF_PIXEL_MRT1 1 #define CF_PIXEL_MRT2 2 #define CF_PIXEL_MRT3 3 #define CF_PIXEL_MRT4 4 #define CF_PIXEL_MRT5 5 #define CF_PIXEL_MRT6 6 #define CF_PIXEL_MRT7 7 // *_FOG: r6xx only #define CF_PIXEL_MRT0_FOG 16 #define CF_PIXEL_MRT1_FOG 17 #define CF_PIXEL_MRT2_FOG 18 #define CF_PIXEL_MRT3_FOG 19 #define CF_PIXEL_MRT4_FOG 20 #define CF_PIXEL_MRT5_FOG 21 #define CF_PIXEL_MRT6_FOG 22 #define CF_PIXEL_MRT7_FOG 23 #define CF_PIXEL_Z 61 // export pos #define CF_POS0 60 #define CF_POS1 61 #define CF_POS2 62 #define CF_POS3 63 // export param // 0...31 #define TYPE(x) (x) // SQ_EXPORT_* #if 0 // type export #define SQ_EXPORT_PIXEL 0 #define SQ_EXPORT_POS 1 #define SQ_EXPORT_PARAM 2 // reserved 3 // type mem #define SQ_EXPORT_WRITE 0 #define SQ_EXPORT_WRITE_IND 1 #define SQ_EXPORT_WRITE_ACK 2 #define SQ_EXPORT_WRITE_IND_ACK 3 #endif #define RW_GPR(x) (x) #define RW_REL(x) (x) #define ABSOLUTE 0 #define RELATIVE 1 #define INDEX_GPR(x) (x) #define ELEM_SIZE(x) (x ? (x - 1) : 0) #define COMP_MASK(x) (x) #define R6xx_ELEM_LOOP(x) (x) #define BURST_COUNT(x) (x ? (x - 1) : 0) // swiz #define SRC_SEL_X(x) (x) // SQ_SEL_* each #define SRC_SEL_Y(x) (x) #define SRC_SEL_Z(x) (x) #define SRC_SEL_W(x) (x) #define CF_DWORD0(addr) (addr) // R7xx has another entry (COUNT3), but that is only used for adding a bit to count. // We allow one more bit for count in the argument of the macro on R7xx instead. // R6xx: [0,7] R7xx: [1,16] #define CF_DWORD1(pc, cf_const, cond, count, call_count, eop, vpm, cf_inst, wqm, b) \ (((pc) << 0) | ((cf_const) << 3) | ((cond) << 8) | (((count) & 7) << 10) | (((count) >> 3) << 19) | \ ((call_count) << 13) | ((eop) << 21) | ((vpm) << 22) | ((cf_inst) << 23) | ((wqm) << 30) | ((b) << 31)) #define CF_ALU_DWORD0(addr, kb0, kb1, km0) (((addr) << 0) | ((kb0) << 22) | ((kb1) << 26) | ((km0) << 30)) #define CF_ALU_DWORD1(km1, kcache_addr0, kcache_addr1, count, uw, cf_inst, wqm, b) \ (((km1) << 0) | ((kcache_addr0) << 2) | ((kcache_addr1) << 10) | \ ((count) << 18) | ((uw) << 25) | ((cf_inst) << 26) | ((wqm) << 30) | ((b) << 31)) #define CF_ALLOC_IMP_EXP_DWORD0(array_base, type, rw_gpr, rr, index_gpr, es) \ (((array_base) << 0) | ((type) << 13) | ((rw_gpr) << 15) | ((rr) << 22) | ((index_gpr) << 23) | \ ((es) << 30)) // R7xx apparently doesn't have the ELEM_LOOP entry any more // We still expose it, but ELEM_LOOP is explicitely R6xx now. // TODO: is this just forgotten in the docs, or really not available any more? #define CF_ALLOC_IMP_EXP_DWORD1_BUF(array_size, comp_mask, el, bc, eop, vpm, cf_inst, wqm, b) \ (((array_size) << 0) | ((comp_mask) << 12) | ((el) << 16) | ((bc) << 17) | \ ((eop) << 21) | ((vpm) << 22) | ((cf_inst) << 23) | ((wqm) << 30) | ((b) << 31)) #define CF_ALLOC_IMP_EXP_DWORD1_SWIZ(sel_x, sel_y, sel_z, sel_w, el, bc, eop, vpm, cf_inst, wqm, b) \ (((sel_x) << 0) | ((sel_y) << 3) | ((sel_z) << 6) | ((sel_w) << 9) | ((el) << 16) | \ ((bc) << 17) | ((eop) << 21) | ((vpm) << 22) | ((cf_inst) << 23) | \ ((wqm) << 30) | ((b) << 31)) // ALU clause insts #define SRC0_SEL(x) (x) #define SRC1_SEL(x) (x) #define SRC2_SEL(x) (x) // src[0-2]_sel // 0-127 GPR // 128-159 kcache constants bank 0 // 160-191 kcache constants bank 1 // 248-255 special SQ_ALU_SRC_* (0, 1, etc.) #define SRC0_REL(x) (x) #define SRC1_REL(x) (x) #define SRC2_REL(x) (x) // elem #define SRC0_ELEM(x) (x) #define SRC1_ELEM(x) (x) #define SRC2_ELEM(x) (x) #define ELEM_X 0 #define ELEM_Y 1 #define ELEM_Z 2 #define ELEM_W 3 // neg #define SRC0_NEG(x) (x) #define SRC1_NEG(x) (x) #define SRC2_NEG(x) (x) // im #define INDEX_MODE(x) (x) // SQ_INDEX_* // ps #define PRED_SEL(x) (x) // SQ_PRED_SEL_* // last #define LAST(x) (x) // abs #define SRC0_ABS(x) (x) #define SRC1_ABS(x) (x) // uem #define UPDATE_EXECUTE_MASK(x) (x) // up #define UPDATE_PRED(x) (x) // wm #define WRITE_MASK(x) (x) // fm #define FOG_MERGE(x) (x) // omod #define OMOD(x) (x) // SQ_ALU_OMOD_* // alu inst #define ALU_INST(x) (x) // SQ_ALU_INST_* //bs #define BANK_SWIZZLE(x) (x) // SQ_ALU_VEC_* #define DST_GPR(x) (x) #define DST_REL(x) (x) #define DST_ELEM(x) (x) #define CLAMP(x) (x) #define ALU_DWORD0(src0_sel, s0r, s0e, s0n, src1_sel, s1r, s1e, s1n, im, ps, last) \ (((src0_sel) << 0) | ((s0r) << 9) | ((s0e) << 10) | ((s0n) << 12) | \ ((src1_sel) << 13) | ((s1r) << 22) | ((s1e) << 23) | ((s1n) << 25) | \ ((im) << 26) | ((ps) << 29) | ((last) << 31)) // R7xx has alu_inst at a different slot, and no fog merge any more (no fix function fog any more) #define R6xx_ALU_DWORD1_OP2(s0a, s1a, uem, up, wm, fm, omod, alu_inst, bs, dst_gpr, dr, de, clamp) \ (((s0a) << 0) | ((s1a) << 1) | ((uem) << 2) | ((up) << 3) | ((wm) << 4) | \ ((fm) << 5) | ((omod) << 6) | ((alu_inst) << 8) | ((bs) << 18) | ((dst_gpr) << 21) | \ ((dr) << 28) | ((de) << 29) | ((clamp) << 31)) #define R7xx_ALU_DWORD1_OP2(s0a, s1a, uem, up, wm, omod, alu_inst, bs, dst_gpr, dr, de, clamp) \ (((s0a) << 0) | ((s1a) << 1) | ((uem) << 2) | ((up) << 3) | ((wm) << 4) | \ ((omod) << 5) | ((alu_inst) << 7) | ((bs) << 18) | ((dst_gpr) << 21) | \ ((dr) << 28) | ((de) << 29) | ((clamp) << 31)) // This is a general chipset macro, but due to selection by chipid typically not usable in static arrays // Fog is NOT USED on R7xx, even if specified. #define ALU_DWORD1_OP2(chipfamily, s0a, s1a, uem, up, wm, fm, omod, alu_inst, bs, dst_gpr, dr, de, clamp) \ ((chipfamily) < CHIP_FAMILY_RV770 ? \ R6xx_ALU_DWORD1_OP2(s0a, s1a, uem, up, wm, fm, omod, alu_inst, bs, dst_gpr, dr, de, clamp) : \ R7xx_ALU_DWORD1_OP2(s0a, s1a, uem, up, wm, omod, alu_inst, bs, dst_gpr, dr, de, clamp)) #define ALU_DWORD1_OP3(src2_sel, s2r, s2e, s2n, alu_inst, bs, dst_gpr, dr, de, clamp) \ (((src2_sel) << 0) | ((s2r) << 9) | ((s2e) << 10) | ((s2n) << 12) | \ ((alu_inst) << 13) | ((bs) << 18) | ((dst_gpr) << 21) | ((dr) << 28) | \ ((de) << 29) | ((clamp) << 31)) // VTX clause insts // vxt insts #define VTX_INST(x) (x) // SQ_VTX_INST_* // fetch type #define FETCH_TYPE(x) (x) // SQ_VTX_FETCH_* #define FETCH_WHOLE_QUAD(x) (x) #define BUFFER_ID(x) (x) #define SRC_GPR(x) (x) #define SRC_REL(x) (x) #define MEGA_FETCH_COUNT(x) ((x) ? ((x) - 1) : 0) #define SEMANTIC_ID(x) (x) #define DST_SEL_X(x) (x) #define DST_SEL_Y(x) (x) #define DST_SEL_Z(x) (x) #define DST_SEL_W(x) (x) #define USE_CONST_FIELDS(x) (x) #define DATA_FORMAT(x) (x) // num format #define NUM_FORMAT_ALL(x) (x) // SQ_NUM_FORMAT_* // format comp #define FORMAT_COMP_ALL(x) (x) // SQ_FORMAT_COMP_* // sma #define SRF_MODE_ALL(x) (x) #define SRF_MODE_ZERO_CLAMP_MINUS_ONE 0 #define SRF_MODE_NO_ZERO 1 #define OFFSET(x) (x) // endian swap #define ENDIAN_SWAP(x) (x) // SQ_ENDIAN_* #define CONST_BUF_NO_STRIDE(x) (x) // mf #define MEGA_FETCH(x) (x) #define VTX_DWORD0(vtx_inst, ft, fwq, buffer_id, src_gpr, sr, ssx, mfc) \ (((vtx_inst) << 0) | ((ft) << 5) | ((fwq) << 7) | ((buffer_id) << 8) | \ ((src_gpr) << 16) | ((sr) << 23) | ((ssx) << 24) | ((mfc) << 26)) #define VTX_DWORD1_SEM(semantic_id, dsx, dsy, dsz, dsw, ucf, data_format, nfa, fca, sma) \ (((semantic_id) << 0) | ((dsx) << 9) | ((dsy) << 12) | ((dsz) << 15) | ((dsw) << 18) | \ ((ucf) << 21) | ((data_format) << 22) | ((nfa) << 28) | ((fca) << 30) | ((sma) << 31)) #define VTX_DWORD1_GPR(dst_gpr, dr, dsx, dsy, dsz, dsw, ucf, data_format, nfa, fca, sma) \ (((dst_gpr) << 0) | ((dr) << 7) | ((dsx) << 9) | ((dsy) << 12) | ((dsz) << 15) | ((dsw) << 18) | \ ((ucf) << 21) | ((data_format) << 22) | ((nfa) << 28) | ((fca) << 30) | ((sma) << 31)) #define VTX_DWORD2(offset, es, cbns, mf) \ (((offset) << 0) | ((es) << 16) | ((cbns) << 18) | ((mf) << 19)) #define VTX_DWORD_PAD 0x00000000 // TEX clause insts // tex insts #define TEX_INST(x) (x) // SQ_TEX_INST_* #define BC_FRAC_MODE(x) (x) #define FETCH_WHOLE_QUAD(x) (x) #define RESOURCE_ID(x) (x) #define R7xx_ALT_CONST(x) (x) #define LOD_BIAS(x) (x) //ct #define COORD_TYPE_X(x) (x) #define COORD_TYPE_Y(x) (x) #define COORD_TYPE_Z(x) (x) #define COORD_TYPE_W(x) (x) #define TEX_UNNORMALIZED 0 #define TEX_NORMALIZED 1 #define OFFSET_X(x) (x) #define OFFSET_Y(x) (x) #define OFFSET_Z(x) (x) #define SAMPLER_ID(x) (x) // R7xx has an additional parameter ALT_CONST. We always expose it, but ALT_CONST is R7xx only #define TEX_DWORD0(tex_inst, bfm, fwq, resource_id, src_gpr, sr, ac) \ (((tex_inst) << 0) | ((bfm) << 5) | ((fwq) << 7) | ((resource_id) << 8) | \ ((src_gpr) << 16) | ((sr) << 23) | ((ac) << 24)) #define TEX_DWORD1(dst_gpr, dr, dsx, dsy, dsz, dsw, lod_bias, ctx, cty, ctz, ctw) \ (((dst_gpr) << 0) | ((dr) << 7) | ((dsx) << 9) | ((dsy) << 12) | ((dsz) << 15) | ((dsw) << 18) | \ ((lod_bias) << 21) | ((ctx) << 28) | ((cty) << 29) | ((ctz) << 30) | ((ctw) << 31)) #define TEX_DWORD2(offset_x, offset_y, offset_z, sampler_id, ssx, ssy, ssz, ssw) \ (((offset_x) << 0) | ((offset_y) << 5) | ((offset_z) << 10) | ((sampler_id) << 15) | \ ((ssx) << 20) | ((ssy) << 23) | ((ssz) << 26) | ((ssw) << 29)) #define TEX_DWORD_PAD 0x00000000 #endif