diff options
| author | Ilia Mirkin <[email protected]> | 2015-08-20 21:55:52 -0400 |
|---|---|---|
| committer | Ilia Mirkin <[email protected]> | 2015-08-28 18:28:04 -0400 |
| commit | 275c5810ca7e38560b2a77281e7a0498c50126f8 (patch) | |
| tree | 9096495089118805d0e4d042b7186b91f17f2842 /src/mesa | |
| parent | 889a946a455c54a5a9bca144b2ea2fe66be39274 (diff) | |
glsl: provide the option of using BFE for unpack builting lowering
This greatly improves generated code, especially for the snorm variants,
since it is able to get rid of the lshift/rshift for sext, as well as
replacing each shift + mask with a single op.
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 7a8c4e1b8fa..95a25c12fb4 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -6020,7 +6020,8 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog) LOWER_UNPACK_HALF_2x16; if (ctx->Extensions.ARB_gpu_shader5) - lower_inst |= LOWER_PACK_USE_BFI; + lower_inst |= LOWER_PACK_USE_BFI | + LOWER_PACK_USE_BFE; lower_packing_builtins(ir, lower_inst); } |