diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_fs.cpp')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 088a1774391..ee14a7a6483 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); } void @@ -750,7 +759,9 @@ fs_visitor::emit_shader_time_end() unreachable("fs_visitor::emit_shader_time_end missing code"); } - fs_reg shader_end_time = get_timestamp(); + fs_inst *tm_read; + fs_reg shader_end_time = get_timestamp(&tm_read); + emit(tm_read); /* Check that there weren't any timestamp reset events (assuming these * were the only two timestamp reads that happened). |