diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_fs.cpp')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 185e00d..31c3116 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -469,7 +469,7 @@ fs_visitor::emit_general_interpolation(ir_variable *ir) attr.reg_offset++; } } else { - /* Perspective interpolation case. */ + /* Smooth/noperspective interpolation case. */ for (unsigned int k = 0; k < type->vector_elements; k++) { /* FINISHME: At some point we probably want to push * this farther by giving similar treatment to the @@ -483,8 +483,11 @@ fs_visitor::emit_general_interpolation(ir_variable *ir) emit(BRW_OPCODE_MOV, attr, fs_reg(1.0f)); } else { struct brw_reg interp = interp_reg(location, k); - brw_wm_barycentric_interp_mode barycoord_mode = - BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC; + brw_wm_barycentric_interp_mode barycoord_mode; + if (interpolation_mode == INTERP_QUALIFIER_SMOOTH) + barycoord_mode = BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC; + else + barycoord_mode = BRW_WM_NONPERSPECTIVE_PIXEL_BARYCENTRIC; emit(FS_OPCODE_LINTERP, attr, this->delta_x[barycoord_mode], this->delta_y[barycoord_mode], fs_reg(interp)); |