diff options
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 83 |
1 files changed, 80 insertions, 3 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index a2d641dced1..3909c704e76 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -587,10 +587,8 @@ static int tgsi_lit(struct r600_shader_ctx *ctx) { struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; struct r600_bc_alu alu; - int r; - if (inst->Dst[0].Register.WriteMask & (1 << 0)) { /* dst.x, <- 1.0 */ @@ -930,6 +928,85 @@ static int tgsi_tex(struct r600_shader_ctx *ctx) return r600_bc_add_tex(ctx->bc, &tex); } +static int tgsi_lrp(struct r600_shader_ctx *ctx) +{ + struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; + struct r600_bc_alu alu; + unsigned i; + int r; + + /* 1 - src0 */ + for (i = 0; i < 4; i++) { + memset(&alu, 0, sizeof(struct r600_bc_alu)); + alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_ADD; + alu.src[0].sel = 249; + alu.src[0].chan = 0; + r = tgsi_src(ctx, &inst->Src[0], i, &alu.src[1]); + if (r) + return r; + alu.src[1].neg = 1; + alu.dst.sel = ctx->temp_reg; + alu.dst.chan = i; + if (i == 3) { + alu.last = 1; + } + alu.dst.write = 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; + + /* (1 - src0) * src2 */ + for (i = 0; i < 4; i++) { + memset(&alu, 0, sizeof(struct r600_bc_alu)); + alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MUL; + alu.src[0].sel = ctx->temp_reg; + alu.src[0].chan = i; + r = tgsi_src(ctx, &inst->Src[2], i, &alu.src[1]); + if (r) + return r; + alu.dst.sel = ctx->temp_reg; + alu.dst.chan = i; + if (i == 3) { + alu.last = 1; + } + alu.dst.write = 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; + + /* src0 * src1 + (1 - src0) * src2 */ + for (i = 0; i < 4; i++) { + memset(&alu, 0, sizeof(struct r600_bc_alu)); + alu.inst = V_SQ_ALU_WORD1_OP3_SQ_OP3_INST_MULADD; + alu.is_op3 = 1; + r = tgsi_src(ctx, &inst->Src[0], i, &alu.src[0]); + if (r) + return r; + r = tgsi_src(ctx, &inst->Src[1], i, &alu.src[1]); + if (r) + return r; + alu.src[2].sel = ctx->temp_reg; + alu.src[2].chan = i; + alu.dst.sel = ctx->temp_reg; + alu.dst.chan = i; + if (i == 3) { + 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}, {TGSI_OPCODE_MOV, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV, tgsi_op2}, @@ -949,7 +1026,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = { {TGSI_OPCODE_SGE, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, {TGSI_OPCODE_MAD, 1, V_SQ_ALU_WORD1_OP3_SQ_OP3_INST_MULADD, tgsi_op3}, {TGSI_OPCODE_SUB, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_ADD, tgsi_op2}, - {TGSI_OPCODE_LRP, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, + {TGSI_OPCODE_LRP, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_lrp}, {TGSI_OPCODE_CND, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, /* gap */ {20, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, |