On Mon, Mar 09, 2015 at 11:40:19AM -0700, Matt Turner wrote: > On Sun, Mar 8, 2015 at 1:08 AM, Kenneth Graunke <kenn...@whitecape.org> wrote: > > This makes another part of the INTEL_DEBUG=shader_time code emittable > > at arbitrary locations, rather than just at the end of the instruction > > stream. > > > > v2: Don't lose smear! Caught by Topi Pohjolainen. > > v3: Don't set smear on the destination of the MOV. Thanks Topi! > > > > Signed-off-by: Kenneth Graunke <kenn...@whitecape.org> > > --- > > src/mesa/drivers/dri/i965/brw_fs.cpp | 19 +++++++++++++++---- > > src/mesa/drivers/dri/i965/brw_fs.h | 2 +- > > 2 files changed, 16 insertions(+), 5 deletions(-) > > > > diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp > > b/src/mesa/drivers/dri/i965/brw_fs.cpp > > index 682841b..8f11600 100644 > > --- a/src/mesa/drivers/dri/i965/brw_fs.cpp > > +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp > > @@ -677,8 +677,14 @@ fs_visitor::type_size(const struct glsl_type *type) > > return 0; > > } > > > > +/** > > + * Create a MOV to read the timestamp register. > > + * > > + * The caller is responsible for emitting the MOV. The return value is > > + * the destination of the MOV, with extra parameters set. > > + */ > > fs_reg > > -fs_visitor::get_timestamp() > > +fs_visitor::get_timestamp(fs_inst **out_mov) > > { > > assert(brw->gen >= 7); > > > > @@ -689,7 +695,7 @@ fs_visitor::get_timestamp() > > > > fs_reg dst = fs_reg(GRF, alloc.allocate(1), BRW_REGISTER_TYPE_UD, 4); > > > > - fs_inst *mov = emit(MOV(dst, ts)); > > + fs_inst *mov = MOV(dst, ts); > > /* We want to read the 3 fields we care about even if it's not enabled > > in > > * the dispatch. > > */ > > @@ -707,6 +713,7 @@ fs_visitor::get_timestamp() > > */ > > dst.set_smear(0); > > > > + *out_mov = mov; > > return dst; > > } > > > > @@ -714,7 +721,9 @@ void > > fs_visitor::emit_shader_time_begin() > > { > > current_annotation = "shader time start"; > > - shader_start_time = get_timestamp(); > > + fs_inst *mov; > > + shader_start_time = get_timestamp(&mov); > > + emit(mov); > > What do you think about returning the mov instruction from > get_timestamp, and then just doing shader_start_time = mov->dst?
Then each caller would need to additionally set the smear: shader_start_time.set_smear(0); _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev