/* * Copyright 2009 Nicolai Hähnle * * 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 COPYRIGHT HOLDER(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. */ #include #include "r300_tgsi_to_rc.h" #include "compiler/radeon_compiler.h" #include "tgsi/tgsi_info.h" #include "tgsi/tgsi_parse.h" #include "tgsi/tgsi_scan.h" #include "tgsi/tgsi_util.h" static unsigned translate_opcode(unsigned opcode) { switch(opcode) { case TGSI_OPCODE_ARL: return RC_OPCODE_ARL; case TGSI_OPCODE_MOV: return RC_OPCODE_MOV; case TGSI_OPCODE_LIT: return RC_OPCODE_LIT; case TGSI_OPCODE_RCP: return RC_OPCODE_RCP; case TGSI_OPCODE_RSQ: return RC_OPCODE_RSQ; case TGSI_OPCODE_EXP: return RC_OPCODE_EXP; case TGSI_OPCODE_LOG: return RC_OPCODE_LOG; case TGSI_OPCODE_MUL: return RC_OPCODE_MUL; case TGSI_OPCODE_ADD: return RC_OPCODE_ADD; case TGSI_OPCODE_DP3: return RC_OPCODE_DP3; case TGSI_OPCODE_DP4: return RC_OPCODE_DP4; case TGSI_OPCODE_DST: return RC_OPCODE_DST; case TGSI_OPCODE_MIN: return RC_OPCODE_MIN; case TGSI_OPCODE_MAX: return RC_OPCODE_MAX; case TGSI_OPCODE_SLT: return RC_OPCODE_SLT; case TGSI_OPCODE_SGE: return RC_OPCODE_SGE; case TGSI_OPCODE_MAD: return RC_OPCODE_MAD; case TGSI_OPCODE_LRP: return RC_OPCODE_LRP; /* case TGSI_OPCODE_DP2A: return RC_OPCODE_DP2A; */ case TGSI_OPCODE_FRC: return RC_OPCODE_FRC; case TGSI_OPCODE_CLAMP: return RC_OPCODE_CLAMP; case TGSI_OPCODE_FLR: return RC_OPCODE_FLR; case TGSI_OPCODE_ROUND: return RC_OPCODE_ROUND; case TGSI_OPCODE_EX2: return RC_OPCODE_EX2; case TGSI_OPCODE_LG2: return RC_OPCODE_LG2; case TGSI_OPCODE_POW: return RC_OPCODE_POW; case TGSI_OPCODE_XPD: return RC_OPCODE_XPD; case TGSI_OPCODE_DPH: return RC_OPCODE_DPH; case TGSI_OPCODE_COS: return RC_OPCODE_COS; case TGSI_OPCODE_DDX: return RC_OPCODE_DDX; case TGSI_OPCODE_DDY: return RC_OPCODE_DDY; case TGSI_OPCODE_KILL: return RC_OPCODE_KILP; /* case TGSI_OPCODE_PK2H: return RC_OPCODE_PK2H; */ /* case TGSI_OPCODE_PK2US: return RC_OPCODE_PK2US; */ /* case TGSI_OPCODE_PK4B: return RC_OPCODE_PK4B; */ /* case TGSI_OPCODE_PK4UB: return RC_OPCODE_PK4UB; */ case TGSI_OPCODE_SEQ: return RC_OPCODE_SEQ; case TGSI_OPCODE_SGT: return RC_OPCODE_SGT; case TGSI_OPCODE_SIN: return RC_OPCODE_SIN; case TGSI_OPCODE_SLE: return RC_OPCODE_SLE; case TGSI_OPCODE_SNE: return RC_OPCODE_SNE; case TGSI_OPCODE_TEX: return RC_OPCODE_TEX; case TGSI_OPCODE_TXD: return RC_OPCODE_TXD; case TGSI_OPCODE_TXP: return RC_OPCODE_TXP; /* case TGSI_OPCODE_UP2H: return RC_OPCODE_UP2H; */ /* case TGSI_OPCODE_UP2US: return RC_OPCODE_UP2US; */ /* case TGSI_OPCODE_UP4B: return RC_OPCODE_UP4B; */ /* case TGSI_OPCODE_UP4UB: return RC_OPCODE_UP4UB; */ case TGSI_OPCODE_ARR: return RC_OPCODE_ARR; /* case TGSI_OPCODE_CAL: return RC_OPCODE_CAL; */ /* case TGSI_OPCODE_RET: return RC_OPCODE_RET; */ case TGSI_OPCODE_SSG: return RC_OPCODE_SSG; case TGSI_OPCODE_CMP: return RC_OPCODE_CMP; case TGSI_OPCODE_SCS: return RC_OPCODE_SCS; case TGSI_OPCODE_TXB: return RC_OPCODE_TXB; /* case TGSI_OPCODE_DIV: return RC_OPCODE_DIV; */ case TGSI_OPCODE_DP2: return RC_OPCODE_DP2; case TGSI_OPCODE_TXL: return RC_OPCODE_TXL; case TGSI_OPCODE_BRK: return RC_OPCODE_BRK; case TGSI_OPCODE_IF: return RC_OPCODE_IF; case TGSI_OPCODE_BGNLOOP: return RC_OPCODE_BGNLOOP; case TGSI_OPCODE_ELSE: return RC_OPCODE_ELSE; case TGSI_OPCODE_ENDIF: return RC_OPCODE_ENDIF; case TGSI_OPCODE_ENDLOOP: return RC_OPCODE_ENDLOOP; /* case TGSI_OPCODE_PUSHA: return RC_OPCODE_PUSHA; */ /* case TGSI_OPCODE_POPA: return RC_OPCODE_POPA; */ case TGSI_OPCODE_CEIL: return RC_OPCODE_CEIL; /* case TGSI_OPCODE_I2F: return RC_OPCODE_I2F; */ /* case TGSI_OPCODE_NOT: return RC_OPCODE_NOT; */ case TGSI_OPCODE_TRUNC: return RC_OPCODE_TRUNC; /* case TGSI_OPCODE_SHL: return RC_OPCODE_SHL; */ /* case TGSI_OPCODE_ISHR: return RC_OPCODE_SHR; */ /* case TGSI_OPCODE_AND: return RC_OPCODE_AND; */ /* case TGSI_OPCODE_OR: return RC_OPCODE_OR; */ /* case TGSI_OPCODE_MOD: return RC_OPCODE_MOD; */ /* case TGSI_OPCODE_XOR: return RC_OPCODE_XOR; */ /* case TGSI_OPCODE_SAD: return RC_OPCODE_SAD; */ /* case TGSI_OPCODE_TXF: return RC_OPCODE_TXF; */ /* case TGSI_OPCODE_TXQ: return RC_OPCODE_TXQ; */ case TGSI_OPCODE_CONT: return RC_OPCODE_CONT; /* case TGSI_OPCODE_EMIT: return RC_OPCODE_EMIT; */ /* case TGSI_OPCODE_ENDPRIM: return RC_OPCODE_ENDPRIM; */ /* case TGSI_OPCODE_BGNLOOP2: return RC_OPCODE_BGNLOOP2; */ /* case TGSI_OPCODE_BGNSUB: return RC_OPCODE_BGNSUB; */ /* case TGSI_OPCODE_ENDLOOP2: return RC_OPCODE_ENDLOOP2; */ /* case TGSI_OPCODE_ENDSUB: return RC_OPCODE_ENDSUB; */ case TGSI_OPCODE_NOP: return RC_OPCODE_NOP; /* case TGSI_OPCODE_CALLNZ: return RC_OPCODE_CALLNZ; */ /* case TGSI_OPCODE_BREAKC: return RC_OPCODE_BREAKC; */ case TGSI_OPCODE_KILL_IF: return RC_OPCODE_KIL; } fprintf(stderr, "r300: Unknown TGSI/RC opcode: %s\n", tgsi_get_opcode_name(opcode)); return RC_OPCODE_ILLEGAL_OPCODE; } static unsigned translate_saturate(unsigned saturate) { return saturate ? RC_SATURATE_ZERO_ONE : RC_SATURATE_NONE; } static unsigned translate_register_file(unsigned file) { switch(file) { case TGSI_FILE_CONSTANT: return RC_FILE_CONSTANT; case TGSI_FILE_IMMEDIATE: return RC_FILE_CONSTANT; case TGSI_FILE_INPUT: return RC_FILE_INPUT; case TGSI_FILE_OUTPUT: return RC_FILE_OUTPUT; default: fprintf(stderr, "Unhandled register file: %i\n", file); /* fall-through */ case TGSI_FILE_TEMPORARY: return RC_FILE_TEMPORARY; case TGSI_FILE_ADDRESS: return RC_FILE_ADDRESS; } } static int translate_register_index( struct tgsi_to_rc * ttr, unsigned file, int index) { if (file == TGSI_FILE_IMMEDIATE) return ttr->immediate_offset + index; return index; } static void transform_dstreg( struct tgsi_to_rc * ttr, struct rc_dst_register * dst, struct tgsi_full_dst_register * src) { dst->File = translate_register_file(src->Register.File); dst->Index = translate_register_index(ttr, src->Register.File, src->Register.Index); dst->WriteMask = src->Register.WriteMask; if (src->Register.Indirect) { ttr->error = TRUE; fprintf(stderr, "r300: Relative addressing of destination operands " "is unsupported.\n"); } } static void transform_srcreg( struct tgsi_to_rc * ttr, struct rc_src_register * dst, struct tgsi_full_src_register * src) { unsigned i, j; dst->File = translate_register_file(src->Register.File); dst->Index = translate_register_index(ttr, src->Register.File, src->Register.Index); dst->RelAddr = src->Register.Indirect; dst->Swizzle = tgsi_util_get_full_src_register_swizzle(src, 0); dst->Swizzle |= tgsi_util_get_full_src_register_swizzle(src, 1) << 3; dst->Swizzle |= tgsi_util_get_full_src_register_swizzle(src, 2) << 6; dst->Swizzle |= tgsi_util_get_full_src_register_swizzle(src, 3) << 9; dst->Abs = src->Register.Absolute; dst->Negate = src->Register.Negate ? RC_MASK_XYZW : 0; if (src->Register.File == TGSI_FILE_IMMEDIATE) { for (i = 0; i < ttr->imms_to_swizzle_count; i++) { if (ttr->imms_to_swizzle[i].index == src->Register.Index) { dst->File = RC_FILE_TEMPORARY; dst->Index = 0; dst->Swizzle = 0; for (j = 0; j < 4; j++) { dst->Swizzle |= GET_SWZ(ttr->imms_to_swizzle[i].swizzle, tgsi_util_get_full_src_register_swizzle(src, j)) << (j * 3); } break; } } } } static void transform_texture(struct rc_instruction * dst, struct tgsi_instruction_texture src, uint32_t *shadowSamplers) { switch(src.Texture) { case TGSI_TEXTURE_1D: dst->U.I.TexSrcTarget = RC_TEXTURE_1D; break; case TGSI_TEXTURE_2D: dst->U.I.TexSrcTarget = RC_TEXTURE_2D; break; case TGSI_TEXTURE_3D: dst->U.I.TexSrcTarget = RC_TEXTURE_3D; break; case TGSI_TEXTURE_CUBE: dst->U.I.TexSrcTarget = RC_TEXTURE_CUBE; break; case TGSI_TEXTURE_RECT: dst->U.I.TexSrcTarget = RC_TEXTURE_RECT; break; case TGSI_TEXTURE_SHADOW1D: dst->U.I.TexSrcTarget = RC_TEXTURE_1D; dst->U.I.TexShadow = 1; *shadowSamplers |= 1 << dst->U.I.TexSrcUnit; break; case TGSI_TEXTURE_SHADOW2D: dst->U.I.TexSrcTarget = RC_TEXTURE_2D; dst->U.I.TexShadow = 1; *shadowSamplers |= 1 << dst->U.I.TexSrcUnit; break; case TGSI_TEXTURE_SHADOWRECT: dst->U.I.TexSrcTarget = RC_TEXTURE_RECT; dst->U.I.TexShadow = 1; *shadowSamplers |= 1 << dst->U.I.TexSrcUnit; break; } dst->U.I.TexSwizzle = RC_SWIZZLE_XYZW; } static void transform_instruction(struct tgsi_to_rc * ttr, struct tgsi_full_instruction * src) { struct rc_instruction * dst; int i; dst = rc_insert_new_instruction(ttr->compiler, ttr->compiler->Program.Instructions.Prev); dst->U.I.Opcode = translate_opcode(src->Instruction.Opcode); dst->U.I.SaturateMode = translate_saturate(src->Instruction.Saturate); if (src->Instruction.NumDstRegs) transform_dstreg(ttr, &dst->U.I.DstReg, &src->Dst[0]); for(i = 0; i < src->Instruction.NumSrcRegs; ++i) { if (src->Src[i].Register.File == TGSI_FILE_SAMPLER) dst->U.I.TexSrcUnit = src->Src[i].Register.Index; else transform_srcreg(ttr, &dst->U.I.SrcReg[i], &src->Src[i]); } /* Texturing. */ if (src->Instruction.Texture) transform_texture(dst, src->Texture, &ttr->compiler->Program.ShadowSamplers); } static void handle_immediate(struct tgsi_to_rc * ttr, struct tgsi_full_immediate * imm, unsigned index) { struct rc_constant constant; unsigned swizzle = 0; boolean can_swizzle = TRUE; unsigned i; for (i = 0; i < 4; i++) { if (imm->u[i].Float == 0.0f) { swizzle |= RC_SWIZZLE_ZERO << (i * 3); } else if (imm->u[i].Float == 0.5f && ttr->use_half_swizzles) { swizzle |= RC_SWIZZLE_HALF << (i * 3); } else if (imm->u[i].Float == 1.0f) { swizzle |= RC_SWIZZLE_ONE << (i * 3); } else { can_swizzle = FALSE; break; } } if (can_swizzle) { ttr->imms_to_swizzle[ttr->imms_to_swizzle_count].index = index; ttr->imms_to_swizzle[ttr->imms_to_swizzle_count].swizzle = swizzle; ttr->imms_to_swizzle_count++; } else { constant.Type = RC_CONSTANT_IMMEDIATE; constant.Size = 4; for(i = 0; i < 4; ++i) constant.u.Immediate[i] = imm->u[i].Float; rc_constants_add(&ttr->compiler->Program.Constants, &constant); } } void r300_tgsi_to_rc(struct tgsi_to_rc * ttr, const struct tgsi_token * tokens) { struct tgsi_full_instruction *inst; struct tgsi_parse_context parser; unsigned imm_index = 0; int i; ttr->error = FALSE; /* Allocate constants placeholders. * * Note: What if declared constants are not contiguous? */ for(i = 0; i <= ttr->info->file_max[TGSI_FILE_CONSTANT]; ++i) { struct rc_constant constant; memset(&constant, 0, sizeof(constant)); constant.Type = RC_CONSTANT_EXTERNAL; constant.Size = 4; constant.u.External = i; rc_constants_add(&ttr->compiler->Program.Constants, &constant); } ttr->immediate_offset = ttr->compiler->Program.Constants.Count; ttr->imms_to_swizzle = malloc(ttr->info->immediate_count * sizeof(struct swizzled_imms)); ttr->imms_to_swizzle_count = 0; tgsi_parse_init(&parser, tokens); while (!tgsi_parse_end_of_tokens(&parser)) { tgsi_parse_token(&parser); switch (parser.FullToken.Token.Type) { case TGSI_TOKEN_TYPE_DECLARATION: break; case TGSI_TOKEN_TYPE_IMMEDIATE: handle_immediate(ttr, &parser.FullToken.FullImmediate, imm_index); imm_index++; break; case TGSI_TOKEN_TYPE_INSTRUCTION: inst = &parser.FullToken.FullInstruction; if (inst->Instruction.Opcode == TGSI_OPCODE_END) { break; } transform_instruction(ttr, inst); break; } } tgsi_parse_free(&parser); free(ttr->imms_to_swizzle); rc_calculate_inputs_outputs(ttr->compiler); }