diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 19 | ||||
| -rw-r--r-- | 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 347bdb9852e..a2bfaf225bb 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -678,8 +678,14 @@ 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); @@ -690,7 +696,7 @@ fs_visitor::get_timestamp() fs_reg dst = fs_reg(GRF, virtual_grf_alloc(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. */ @@ -708,6 +714,7 @@ fs_visitor::get_timestamp() */ dst.set_smear(0); + *out_mov = mov; return dst; } @@ -715,7 +722,9 @@ 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 @@ -751,7 +760,9 @@ 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). diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h index fcc8a5aca2a..bf8bb0b7343 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.h +++ b/src/mesa/drivers/dri/i965/brw_fs.h @@ -622,7 +622,7 @@ public: void resolve_ud_negate(fs_reg *reg); void resolve_bool_comparison(ir_rvalue *rvalue, fs_reg *reg); - fs_reg get_timestamp(); + fs_reg get_timestamp(fs_inst **out_mov); struct brw_reg interp_reg(int location, int channel); void setup_uniform_values(ir_variable *ir); |