diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp index 0049b2d6775..4e9936626a0 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp @@ -1839,6 +1839,15 @@ fs_visitor::emit_texture_gen7(ir_texture_opcode op, fs_reg dst, offset_value.file != BAD_FILE && offset_value.file != IMM; bool coordinate_done = false; + /* The sampler can only meaningfully compute LOD for fragment shader + * messages. For all other stages, we change the opcode to ir_txl and + * hardcode the LOD to 0. + */ + if (stage != MESA_SHADER_FRAGMENT && op == ir_tex) { + op = ir_txl; + lod = fs_reg(0.0f); + } + /* Set up the LOD info */ switch (op) { case ir_tex: |