diff options
Diffstat (limited to 'src/gallium/drivers/r600')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 91 |
1 files changed, 73 insertions, 18 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 62cd8f567a4..da1af6702c3 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -1006,27 +1006,12 @@ static int tgsi_trans(struct r600_shader_ctx *ctx) return 0; } -static int tgsi_trans_srcx_replicate(struct r600_shader_ctx *ctx) +static int tgsi_helper_tempx_replicate(struct r600_shader_ctx *ctx) { struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; struct r600_bc_alu alu; - int i, j, r; + int i, r; - memset(&alu, 0, sizeof(struct r600_bc_alu)); - alu.inst = ctx->inst_info->r600_opcode; - for (j = 0; j < inst->Instruction.NumSrcRegs; j++) { - r = tgsi_src(ctx, &inst->Src[j], &alu.src[j]); - if (r) - return r; - alu.src[j].chan = tgsi_chan(&inst->Src[j], 0); - } - 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; - /* replicate result */ for (i = 0; i < 4; i++) { memset(&alu, 0, sizeof(struct r600_bc_alu)); alu.src[0].sel = ctx->temp_reg; @@ -1045,6 +1030,76 @@ static int tgsi_trans_srcx_replicate(struct r600_shader_ctx *ctx) return 0; } +static int tgsi_trans_srcx_replicate(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_info->r600_opcode; + 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.dst.sel = ctx->temp_reg; + alu.dst.write = 1; + alu.last = 1; + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + /* replicate result */ + return tgsi_helper_tempx_replicate(ctx); +} + +static int tgsi_pow(struct r600_shader_ctx *ctx) +{ + struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; + struct r600_bc_alu alu; + int r; + + /* LOG2(a) */ + memset(&alu, 0, sizeof(struct r600_bc_alu)); + alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_LOG_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.last = 1; + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + /* b * LOG2(a) */ + memset(&alu, 0, sizeof(struct r600_bc_alu)); + alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MUL_IEEE; + r = tgsi_src(ctx, &inst->Src[1], &alu.src[0]); + if (r) + return r; + alu.src[0].chan = tgsi_chan(&inst->Src[1], 0); + alu.src[1].sel = ctx->temp_reg; + 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; + /* POW(a,b) = EXP2(b * LOG2(a))*/ + memset(&alu, 0, sizeof(struct r600_bc_alu)); + alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_EXP_IEEE; + alu.src[0].sel = ctx->temp_reg; + 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; + return tgsi_helper_tempx_replicate(ctx); +} + static int tgsi_ssg(struct r600_shader_ctx *ctx) { struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; @@ -1419,7 +1474,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = { {TGSI_OPCODE_ROUND, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, {TGSI_OPCODE_EX2, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_EXP_IEEE, tgsi_trans_srcx_replicate}, {TGSI_OPCODE_LG2, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_LOG_IEEE, tgsi_trans_srcx_replicate}, - {TGSI_OPCODE_POW, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, + {TGSI_OPCODE_POW, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_pow}, {TGSI_OPCODE_XPD, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, /* gap */ {32, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, |