diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_shader.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 106 |
1 files changed, 105 insertions, 1 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 6195bd53328..5b43a1303bf 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -1627,6 +1627,110 @@ static int tgsi_xpd(struct r600_shader_ctx *ctx) return 0; } +static int tgsi_exp(struct r600_shader_ctx *ctx) +{ + struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; + struct r600_bc_alu_src r600_src[3]; + struct r600_bc_alu alu; + uint32_t use_temp = 0; + int i, r; + + /* result.x = 2^floor(src); */ + if (inst->Dst[0].Register.WriteMask & 1) { + memset(&alu, 0, sizeof(struct r600_bc_alu)); + + alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_FLOOR; + r = tgsi_src(ctx, &inst->Src[0], &alu.src[0]); + if (r) + return r; + + alu.src[0].chan = tgsi_chan(&inst->Src[0], 0); + + alu.dst.sel = ctx->temp_reg; + alu.dst.chan = 0; + alu.dst.write = 1; + alu.last = 1; + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + + alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_EXP_IEEE; + alu.src[0].sel = ctx->temp_reg; + alu.src[0].chan = 0; + + alu.dst.sel = ctx->temp_reg; + alu.dst.chan = 0; + alu.dst.write = 1; + alu.last = 1; + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + } + + /* result.y = tmp - floor(tmp); */ + if ((inst->Dst[0].Register.WriteMask >> 1) & 1) { + memset(&alu, 0, sizeof(struct r600_bc_alu)); + + alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_FRACT; + alu.src[0] = r600_src[0]; + r = tgsi_src(ctx, &inst->Src[0], &alu.src[0]); + if (r) + return r; + alu.src[0].chan = tgsi_chan(&inst->Src[0], 0); + + alu.dst.sel = ctx->temp_reg; +// r = tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst); +// if (r) +// return r; + alu.dst.write = 1; + alu.dst.chan = 1; + + alu.last = 1; + + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + } + + /* result.z = RoughApprox2ToX(tmp);*/ + if ((inst->Dst[0].Register.WriteMask >> 2) & 0x1) { + memset(&alu, 0, sizeof(struct r600_bc_alu)); + alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_EXP_IEEE; + r = tgsi_src(ctx, &inst->Src[0], &alu.src[0]); + if (r) + return r; + alu.src[0].chan = tgsi_chan(&inst->Src[0], 0); + + alu.dst.sel = ctx->temp_reg; + alu.dst.write = 1; + alu.dst.chan = 2; + + alu.last = 1; + + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + + } + + /* result.w = 1.0;*/ + if ((inst->Dst[0].Register.WriteMask >> 3) & 0x1) { + memset(&alu, 0, sizeof(struct r600_bc_alu)); + + alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV; + alu.src[0].sel = V_SQ_ALU_SRC_1; + alu.src[0].chan = 0; + + alu.dst.sel = ctx->temp_reg; + alu.dst.chan = 3; + alu.dst.write = 1; + alu.last = 1; + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + } + return tgsi_helper_copy(ctx, inst); +} static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = { {TGSI_OPCODE_ARL, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, @@ -1634,7 +1738,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = { {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_EXP, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, + {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}, {TGSI_OPCODE_ADD, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_ADD, tgsi_op2}, |