r600g: Implement gpu_shader5 integer ops
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:

committed by
Andreas Boll

parent
2133a1aedf
commit
2768a56f58
@@ -105,7 +105,7 @@ GL 4.0:
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- Dynamically uniform UBO array indices started (Chris)
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- Implicit signed -> unsigned conversions DONE
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- Fused multiply-add DONE (i965, nvc0)
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- Packing/bitfield/conversion functions DONE (i965, nvc0)
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- Packing/bitfield/conversion functions DONE (i965, nvc0, r600)
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- Enhanced textureGather DONE (i965, nvc0, radeonsi)
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- Geometry shader instancing DONE (i965, nvc0)
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- Geometry shader multiple streams DONE (i965, nvc0)
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@@ -4191,6 +4191,172 @@ static int tgsi_ssg(struct r600_shader_ctx *ctx)
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return 0;
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}
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static int tgsi_bfi(struct r600_shader_ctx *ctx)
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{
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struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
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struct r600_bytecode_alu alu;
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int i, r, t1, t2;
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unsigned write_mask = inst->Dst[0].Register.WriteMask;
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int last_inst = tgsi_last_instruction(write_mask);
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t1 = ctx->temp_reg;
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for (i = 0; i < 4; i++) {
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if (!(write_mask & (1<<i)))
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continue;
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/* create mask tmp */
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memset(&alu, 0, sizeof(struct r600_bytecode_alu));
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alu.op = ALU_OP2_BFM_INT;
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alu.dst.sel = t1;
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alu.dst.chan = i;
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alu.dst.write = 1;
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alu.last = i == last_inst;
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r600_bytecode_src(&alu.src[0], &ctx->src[3], i);
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r600_bytecode_src(&alu.src[1], &ctx->src[2], i);
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r = r600_bytecode_add_alu(ctx->bc, &alu);
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if (r)
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return r;
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}
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t2 = r600_get_temp(ctx);
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for (i = 0; i < 4; i++) {
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if (!(write_mask & (1<<i)))
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continue;
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/* shift insert left */
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memset(&alu, 0, sizeof(struct r600_bytecode_alu));
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alu.op = ALU_OP2_LSHL_INT;
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alu.dst.sel = t2;
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alu.dst.chan = i;
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alu.dst.write = 1;
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alu.last = i == last_inst;
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r600_bytecode_src(&alu.src[0], &ctx->src[1], i);
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r600_bytecode_src(&alu.src[1], &ctx->src[2], i);
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r = r600_bytecode_add_alu(ctx->bc, &alu);
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if (r)
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return r;
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}
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for (i = 0; i < 4; i++) {
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if (!(write_mask & (1<<i)))
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continue;
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/* actual bitfield insert */
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memset(&alu, 0, sizeof(struct r600_bytecode_alu));
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alu.op = ALU_OP3_BFI_INT;
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alu.is_op3 = 1;
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tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
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alu.dst.chan = i;
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alu.dst.write = 1;
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alu.last = i == last_inst;
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alu.src[0].sel = t1;
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alu.src[0].chan = i;
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alu.src[1].sel = t2;
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alu.src[1].chan = i;
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r600_bytecode_src(&alu.src[2], &ctx->src[0], i);
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r = r600_bytecode_add_alu(ctx->bc, &alu);
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if (r)
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return r;
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}
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return 0;
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}
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static int tgsi_msb(struct r600_shader_ctx *ctx)
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{
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struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
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struct r600_bytecode_alu alu;
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int i, r, t1, t2;
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unsigned write_mask = inst->Dst[0].Register.WriteMask;
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int last_inst = tgsi_last_instruction(write_mask);
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assert(ctx->inst_info->op == ALU_OP1_FFBH_INT ||
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ctx->inst_info->op == ALU_OP1_FFBH_UINT);
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t1 = ctx->temp_reg;
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/* bit position is indexed from lsb by TGSI, and from msb by the hardware */
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for (i = 0; i < 4; i++) {
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if (!(write_mask & (1<<i)))
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continue;
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/* t1 = FFBH_INT / FFBH_UINT */
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memset(&alu, 0, sizeof(struct r600_bytecode_alu));
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alu.op = ctx->inst_info->op;
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alu.dst.sel = t1;
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alu.dst.chan = i;
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alu.dst.write = 1;
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alu.last = i == last_inst;
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r600_bytecode_src(&alu.src[0], &ctx->src[0], i);
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r = r600_bytecode_add_alu(ctx->bc, &alu);
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if (r)
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return r;
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}
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t2 = r600_get_temp(ctx);
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for (i = 0; i < 4; i++) {
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if (!(write_mask & (1<<i)))
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continue;
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/* t2 = 31 - t1 */
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memset(&alu, 0, sizeof(struct r600_bytecode_alu));
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alu.op = ALU_OP2_SUB_INT;
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alu.dst.sel = t2;
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alu.dst.chan = i;
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alu.dst.write = 1;
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alu.last = i == last_inst;
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alu.src[0].sel = V_SQ_ALU_SRC_LITERAL;
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alu.src[0].value = 31;
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alu.src[1].sel = t1;
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alu.src[1].chan = i;
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r = r600_bytecode_add_alu(ctx->bc, &alu);
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if (r)
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return r;
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}
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for (i = 0; i < 4; i++) {
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if (!(write_mask & (1<<i)))
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continue;
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/* result = t1 >= 0 ? t2 : t1 */
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memset(&alu, 0, sizeof(struct r600_bytecode_alu));
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alu.op = ALU_OP3_CNDGE_INT;
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alu.is_op3 = 1;
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tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
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alu.dst.chan = i;
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alu.dst.write = 1;
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alu.last = i == last_inst;
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alu.src[0].sel = t1;
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alu.src[0].chan = i;
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alu.src[1].sel = t2;
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alu.src[1].chan = i;
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alu.src[2].sel = t1;
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alu.src[2].chan = i;
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r = r600_bytecode_add_alu(ctx->bc, &alu);
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if (r)
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return r;
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}
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return 0;
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}
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static int tgsi_helper_copy(struct r600_shader_ctx *ctx, struct tgsi_full_instruction *inst)
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{
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struct r600_bytecode_alu alu;
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@@ -6675,6 +6841,14 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = {
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{TGSI_OPCODE_UMUL_HI, 0, ALU_OP2_MULHI_UINT, tgsi_op2_trans},
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{TGSI_OPCODE_TG4, 0, FETCH_OP_GATHER4, tgsi_unsupported},
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{TGSI_OPCODE_LODQ, 0, FETCH_OP_GET_LOD, tgsi_unsupported},
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{TGSI_OPCODE_IBFE, 1, ALU_OP3_BFE_INT, tgsi_unsupported},
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{TGSI_OPCODE_UBFE, 1, ALU_OP3_BFE_UINT, tgsi_unsupported},
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{TGSI_OPCODE_BFI, 0, ALU_OP0_NOP, tgsi_unsupported},
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{TGSI_OPCODE_BREV, 0, ALU_OP1_BFREV_INT, tgsi_unsupported},
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{TGSI_OPCODE_POPC, 0, ALU_OP1_BCNT_INT, tgsi_unsupported},
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{TGSI_OPCODE_LSB, 0, ALU_OP1_FFBL_INT, tgsi_unsupported},
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{TGSI_OPCODE_IMSB, 0, ALU_OP1_FFBH_INT, tgsi_unsupported},
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{TGSI_OPCODE_UMSB, 0, ALU_OP1_FFBH_UINT, tgsi_unsupported},
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{TGSI_OPCODE_LAST, 0, ALU_OP0_NOP, tgsi_unsupported},
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};
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@@ -6870,6 +7044,14 @@ static struct r600_shader_tgsi_instruction eg_shader_tgsi_instruction[] = {
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{TGSI_OPCODE_UMUL_HI, 0, ALU_OP2_MULHI_UINT, tgsi_op2_trans},
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{TGSI_OPCODE_TG4, 0, FETCH_OP_GATHER4, tgsi_tex},
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{TGSI_OPCODE_LODQ, 0, FETCH_OP_GET_LOD, tgsi_tex},
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{TGSI_OPCODE_IBFE, 1, ALU_OP3_BFE_INT, tgsi_op3},
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{TGSI_OPCODE_UBFE, 1, ALU_OP3_BFE_UINT, tgsi_op3},
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{TGSI_OPCODE_BFI, 0, ALU_OP0_NOP, tgsi_bfi},
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{TGSI_OPCODE_BREV, 0, ALU_OP1_BFREV_INT, tgsi_op2},
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{TGSI_OPCODE_POPC, 0, ALU_OP1_BCNT_INT, tgsi_op2},
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{TGSI_OPCODE_LSB, 0, ALU_OP1_FFBL_INT, tgsi_op2},
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{TGSI_OPCODE_IMSB, 0, ALU_OP1_FFBH_INT, tgsi_msb},
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{TGSI_OPCODE_UMSB, 0, ALU_OP1_FFBH_UINT, tgsi_msb},
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{TGSI_OPCODE_LAST, 0, ALU_OP0_NOP, tgsi_unsupported},
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};
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@@ -7066,5 +7248,13 @@ static struct r600_shader_tgsi_instruction cm_shader_tgsi_instruction[] = {
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{TGSI_OPCODE_UMUL_HI, 0, ALU_OP2_MULHI_UINT, cayman_mul_int_instr},
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{TGSI_OPCODE_TG4, 0, FETCH_OP_GATHER4, tgsi_tex},
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{TGSI_OPCODE_LODQ, 0, FETCH_OP_GET_LOD, tgsi_tex},
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{TGSI_OPCODE_IBFE, 1, ALU_OP3_BFE_INT, tgsi_op3},
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{TGSI_OPCODE_UBFE, 1, ALU_OP3_BFE_UINT, tgsi_op3},
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{TGSI_OPCODE_BFI, 0, ALU_OP0_NOP, tgsi_bfi},
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{TGSI_OPCODE_BREV, 0, ALU_OP1_BFREV_INT, tgsi_op2},
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{TGSI_OPCODE_POPC, 0, ALU_OP1_BCNT_INT, tgsi_op2},
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{TGSI_OPCODE_LSB, 0, ALU_OP1_FFBL_INT, tgsi_op2},
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{TGSI_OPCODE_IMSB, 0, ALU_OP1_FFBH_INT, tgsi_msb},
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{TGSI_OPCODE_UMSB, 0, ALU_OP1_FFBH_UINT, tgsi_msb},
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{TGSI_OPCODE_LAST, 0, ALU_OP0_NOP, tgsi_unsupported},
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};
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