diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_shader.c')
-rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 70 |
1 files changed, 24 insertions, 46 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 5ce464d1c54..48a2f7b7329 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -166,7 +166,6 @@ struct r600_shader_ctx { unsigned type; unsigned file_offset[TGSI_FILE_COUNT]; unsigned temp_reg; - unsigned ar_reg; struct r600_shader_tgsi_instruction *inst_info; struct r600_bytecode *bc; struct r600_shader *shader; @@ -553,7 +552,7 @@ static int tgsi_fetch_rel_const(struct r600_shader_ctx *ctx, unsigned int offset memset(&alu, 0, sizeof(alu)); alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_ADD_INT); - alu.src[0].sel = ctx->ar_reg; + alu.src[0].sel = ctx->bc->ar_reg; alu.src[1].sel = V_SQ_ALU_SRC_LITERAL; alu.src[1].value = offset; @@ -567,7 +566,7 @@ static int tgsi_fetch_rel_const(struct r600_shader_ctx *ctx, unsigned int offset ar_reg = dst_reg; } else { - ar_reg = ctx->ar_reg; + ar_reg = ctx->bc->ar_reg; } memset(&vtx, 0, sizeof(vtx)); @@ -750,9 +749,9 @@ static int r600_shader_from_tgsi(struct r600_pipe_context * rctx, struct r600_pi ctx.file_offset[TGSI_FILE_CONSTANT] = 512; ctx.file_offset[TGSI_FILE_IMMEDIATE] = V_SQ_ALU_SRC_LITERAL; - ctx.ar_reg = ctx.file_offset[TGSI_FILE_TEMPORARY] + + ctx.bc->ar_reg = ctx.file_offset[TGSI_FILE_TEMPORARY] + ctx.info.file_max[TGSI_FILE_TEMPORARY] + 1; - ctx.temp_reg = ctx.ar_reg + 1; + ctx.temp_reg = ctx.bc->ar_reg + 1; ctx.nliterals = 0; ctx.literals = NULL; @@ -2942,45 +2941,26 @@ static int tgsi_eg_arl(struct r600_shader_ctx *ctx) alu.inst = EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_FLT_TO_INT; break; case TGSI_OPCODE_UARL: + alu.inst = EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV; break; default: assert(0); return -1; } - if (alu.inst) { - r600_bytecode_src(&alu.src[0], &ctx->src[0], 0); - alu.last = 1; - alu.dst.sel = ctx->ar_reg; - alu.dst.write = 1; - r = r600_bytecode_add_alu(ctx->bc, &alu); - if (r) - return r; - } - - /* TODO: Note that the MOVA can be avoided if we never use AR for - * indexing non-CB registers in the current ALU clause. Similarly, we - * need to load AR from ar_reg again if we started a new clause - * between ARL and AR usage. The easy way to do that is to remove - * the MOVA here, and load it for the first AR access after ar_reg - * has been modified in each clause. */ - memset(&alu, 0, sizeof(struct r600_bytecode_alu)); - alu.inst = EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOVA_INT; - if (inst->Instruction.Opcode == TGSI_OPCODE_UARL) - r600_bytecode_src(&alu.src[0], &ctx->src[0], 0); - else { - alu.src[0].sel = ctx->ar_reg; - alu.src[0].chan = 0; - } + r600_bytecode_src(&alu.src[0], &ctx->src[0], 0); alu.last = 1; + alu.dst.sel = ctx->bc->ar_reg; + alu.dst.write = 1; r = r600_bytecode_add_alu(ctx->bc, &alu); if (r) return r; + + ctx->bc->ar_loaded = 0; return 0; } static int tgsi_r600_arl(struct r600_shader_ctx *ctx) { - /* TODO from r600c, ar values don't persist between clauses */ struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; struct r600_bytecode_alu alu; int r; @@ -2990,7 +2970,7 @@ static int tgsi_r600_arl(struct r600_shader_ctx *ctx) memset(&alu, 0, sizeof(alu)); alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_FLOOR; r600_bytecode_src(&alu.src[0], &ctx->src[0], 0); - alu.dst.sel = ctx->ar_reg; + alu.dst.sel = ctx->bc->ar_reg; alu.dst.write = 1; alu.last = 1; @@ -2999,8 +2979,8 @@ static int tgsi_r600_arl(struct r600_shader_ctx *ctx) memset(&alu, 0, sizeof(alu)); alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_FLT_TO_INT; - alu.src[0].sel = ctx->ar_reg; - alu.dst.sel = ctx->ar_reg; + alu.src[0].sel = ctx->bc->ar_reg; + alu.dst.sel = ctx->bc->ar_reg; alu.dst.write = 1; alu.last = 1; @@ -3011,7 +2991,7 @@ static int tgsi_r600_arl(struct r600_shader_ctx *ctx) memset(&alu, 0, sizeof(alu)); alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_FLT_TO_INT; r600_bytecode_src(&alu.src[0], &ctx->src[0], 0); - alu.dst.sel = ctx->ar_reg; + alu.dst.sel = ctx->bc->ar_reg; alu.dst.write = 1; alu.last = 1; @@ -3019,24 +2999,22 @@ static int tgsi_r600_arl(struct r600_shader_ctx *ctx) return r; break; case TGSI_OPCODE_UARL: + memset(&alu, 0, sizeof(alu)); + alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV; + r600_bytecode_src(&alu.src[0], &ctx->src[0], 0); + alu.dst.sel = ctx->bc->ar_reg; + alu.dst.write = 1; + alu.last = 1; + + if ((r = r600_bytecode_add_alu(ctx->bc, &alu))) + return r; break; default: assert(0); return -1; } - memset(&alu, 0, sizeof(alu)); - alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOVA_INT; - if (inst->Instruction.Opcode == TGSI_OPCODE_UARL) - r600_bytecode_src(&alu.src[0], &ctx->src[0], 0); - else - alu.src[0].sel = ctx->ar_reg; - alu.last = 1; - - r = r600_bytecode_add_alu(ctx->bc, &alu); - if (r) - return r; - ctx->bc->cf_last->r6xx_uses_waterfall = 1; + ctx->bc->ar_loaded = 0; return 0; } |