diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 906a1ea6e3c..f5e8d6be21f 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -4189,6 +4189,10 @@ lower_sampler_logical_send_gen7(const fs_builder &bld, fs_inst *inst, opcode op, switch (op) { case FS_OPCODE_TXB: case SHADER_OPCODE_TXL: + if (devinfo->gen >= 9 && op == SHADER_OPCODE_TXL && lod.is_zero()) { + op = SHADER_OPCODE_TXL_LZ; + break; + } bld.MOV(sources[length], lod); length++; break; @@ -4240,8 +4244,12 @@ lower_sampler_logical_send_gen7(const fs_builder &bld, fs_inst *inst, opcode op, length++; } - bld.MOV(retype(sources[length], BRW_REGISTER_TYPE_D), lod); - length++; + if (devinfo->gen >= 9 && lod.is_zero()) { + op = SHADER_OPCODE_TXF_LZ; + } else { + bld.MOV(retype(sources[length], BRW_REGISTER_TYPE_D), lod); + length++; + } for (unsigned i = devinfo->gen >= 9 ? 2 : 1; i < coord_components; i++) { bld.MOV(retype(sources[length], BRW_REGISTER_TYPE_D), coordinate); |