diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_shader.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index e0c2b44b5b1..83077504385 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -3896,6 +3896,128 @@ static inline unsigned tgsi_tex_get_src_gpr(struct r600_shader_ctx *ctx, return ctx->file_offset[inst->Src[index].Register.File] + inst->Src[index].Register.Index; } +static int do_vtx_fetch_inst(struct r600_shader_ctx *ctx, boolean src_requires_loading) +{ + struct r600_bytecode_vtx vtx; + struct r600_bytecode_alu alu; + struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; + int src_gpr, r, i; + int id = tgsi_tex_get_src_gpr(ctx, 1); + + src_gpr = tgsi_tex_get_src_gpr(ctx, 0); + if (src_requires_loading) { + for (i = 0; i < 4; i++) { + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV); + r600_bytecode_src(&alu.src[0], &ctx->src[0], i); + alu.dst.sel = ctx->temp_reg; + alu.dst.chan = i; + if (i == 3) + alu.last = 1; + alu.dst.write = 1; + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + } + src_gpr = ctx->temp_reg; + } + + memset(&vtx, 0, sizeof(vtx)); + vtx.inst = 0; + vtx.buffer_id = id + R600_MAX_CONST_BUFFERS; + vtx.fetch_type = 2; /* VTX_FETCH_NO_INDEX_OFFSET */ + vtx.src_gpr = src_gpr; + vtx.mega_fetch_count = 16; + vtx.dst_gpr = ctx->file_offset[inst->Dst[0].Register.File] + inst->Dst[0].Register.Index; + vtx.dst_sel_x = (inst->Dst[0].Register.WriteMask & 1) ? 0 : 7; /* SEL_X */ + vtx.dst_sel_y = (inst->Dst[0].Register.WriteMask & 2) ? 1 : 7; /* SEL_Y */ + vtx.dst_sel_z = (inst->Dst[0].Register.WriteMask & 4) ? 2 : 7; /* SEL_Z */ + vtx.dst_sel_w = (inst->Dst[0].Register.WriteMask & 8) ? 3 : 7; /* SEL_W */ + vtx.use_const_fields = 1; + vtx.srf_mode_all = 1; /* SRF_MODE_NO_ZERO */ + + if ((r = r600_bytecode_add_vtx(ctx->bc, &vtx))) + return r; + + if (ctx->bc->chip_class >= EVERGREEN) + return 0; + + for (i = 0; i < 4; i++) { + int lasti = tgsi_last_instruction(inst->Dst[0].Register.WriteMask); + if (!(inst->Dst[0].Register.WriteMask & (1 << i))) + continue; + + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_AND_INT); + + alu.dst.chan = i; + alu.dst.sel = vtx.dst_gpr; + alu.dst.write = 1; + + alu.src[0].sel = vtx.dst_gpr; + alu.src[0].chan = i; + + alu.src[1].sel = 512 + (id * 2); + alu.src[1].chan = i % 4; + alu.src[1].kc_bank = R600_BUFFER_INFO_CONST_BUFFER; + + if (i == lasti) + alu.last = 1; + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + } + + if (inst->Dst[0].Register.WriteMask & 3) { + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_OR_INT); + + alu.dst.chan = 3; + alu.dst.sel = vtx.dst_gpr; + alu.dst.write = 1; + + alu.src[0].sel = vtx.dst_gpr; + alu.src[0].chan = 3; + + alu.src[1].sel = 512 + (id * 2) + 1; + alu.src[1].chan = 0; + alu.src[1].kc_bank = R600_BUFFER_INFO_CONST_BUFFER; + + alu.last = 1; + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + } + return 0; +} + +static int r600_do_buffer_txq(struct r600_shader_ctx *ctx) +{ + struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; + struct r600_bytecode_alu alu; + int r; + int id = tgsi_tex_get_src_gpr(ctx, 1); + + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV); + + if (ctx->bc->chip_class >= EVERGREEN) { + alu.src[0].sel = 512 + (id / 4); + alu.src[0].chan = id % 4; + } else { + /* r600 we have them at channel 2 of the second dword */ + alu.src[0].sel = 512 + (id * 2) + 1; + alu.src[0].chan = 1; + } + alu.src[0].kc_bank = R600_BUFFER_INFO_CONST_BUFFER; + tgsi_dst(ctx, &inst->Dst[0], 0, &alu.dst); + alu.last = 1; + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + return 0; +} + static int tgsi_tex(struct r600_shader_ctx *ctx) { static float one_point_five = 1.5f; @@ -3934,6 +4056,18 @@ static int tgsi_tex(struct r600_shader_ctx *ctx) src_gpr = tgsi_tex_get_src_gpr(ctx, 0); + if (inst->Texture.Texture == TGSI_TEXTURE_BUFFER) { + if (inst->Instruction.Opcode == TGSI_OPCODE_TXQ) { + ctx->shader->uses_tex_buffers = true; + return r600_do_buffer_txq(ctx); + } + else if (inst->Instruction.Opcode == TGSI_OPCODE_TXF) { + if (ctx->bc->chip_class < EVERGREEN) + ctx->shader->uses_tex_buffers = true; + return do_vtx_fetch_inst(ctx, src_requires_loading); + } + } + if (inst->Instruction.Opcode == TGSI_OPCODE_TXF) { /* get offset values */ if (inst->Texture.NumOffsets) { |