diff options
Diffstat (limited to 'src/gallium/drivers/r600')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 78f4039656e..11cabdfbbe5 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -63,6 +63,7 @@ struct r600_shader_tgsi_instruction { static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[]; static int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *shader); +static int tgsi_helper_tempx_replicate(struct r600_shader_ctx *ctx); static int r600_shader_update(struct pipe_context *ctx, struct r600_shader *shader) { @@ -1082,6 +1083,34 @@ static int tgsi_lit(struct r600_shader_ctx *ctx) return 0; } +static int tgsi_rsq(struct r600_shader_ctx *ctx) +{ + struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; + struct r600_bc_alu alu; + int i, r; + + memset(&alu, 0, sizeof(struct r600_bc_alu)); + alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIPSQRT_IEEE); + for (i = 0; i < inst->Instruction.NumSrcRegs; i++) { + r = tgsi_src(ctx, &inst->Src[i], &alu.src[i]); + if (r) + return r; + alu.src[i].chan = tgsi_chan(&inst->Src[i], 0); + alu.src[i].abs = 1; + } + alu.dst.sel = ctx->temp_reg; + alu.dst.write = 1; + alu.last = 1; + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + r = r600_bc_add_literal(ctx->bc, ctx->value); + if (r) + return r; + /* replicate result */ + return tgsi_helper_tempx_replicate(ctx); +} + static int tgsi_trans(struct r600_shader_ctx *ctx) { struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; @@ -2349,7 +2378,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = { {TGSI_OPCODE_MOV, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV, tgsi_op2}, {TGSI_OPCODE_LIT, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_lit}, {TGSI_OPCODE_RCP, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIP_IEEE, tgsi_trans_srcx_replicate}, - {TGSI_OPCODE_RSQ, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIPSQRT_IEEE, tgsi_trans_srcx_replicate}, + {TGSI_OPCODE_RSQ, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_rsq}, {TGSI_OPCODE_EXP, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_exp}, {TGSI_OPCODE_LOG, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, {TGSI_OPCODE_MUL, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MUL, tgsi_op2}, |