diff options
| author | Kenneth Graunke <kenneth@whitecape.org> | 2012-07-09 20:59:29 -0700 |
|---|---|---|
| committer | Kenneth Graunke <kenneth@whitecape.org> | 2012-07-12 10:20:20 -0700 |
| commit | d9da350a8334201400a43d105b92fce2bd6a5f32 (patch) | |
| tree | 60e76ef1eae2e71532b1a03b503fab8a72493a1f /src/glsl/ir_builder.h | |
| parent | 0bb3d4ba54f98f4d45abe598dabc905f08055cd5 (diff) | |
| download | external_mesa3d-d9da350a8334201400a43d105b92fce2bd6a5f32.zip external_mesa3d-d9da350a8334201400a43d105b92fce2bd6a5f32.tar.gz external_mesa3d-d9da350a8334201400a43d105b92fce2bd6a5f32.tar.bz2 | |
glsl/ir_builder: Add a new swizzle_for_size() function.
This swizzles away unwanted components, while preserving the order of
the ones that remain.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'src/glsl/ir_builder.h')
| -rw-r--r-- | src/glsl/ir_builder.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/glsl/ir_builder.h b/src/glsl/ir_builder.h index 410b08c..7a0a196 100644 --- a/src/glsl/ir_builder.h +++ b/src/glsl/ir_builder.h @@ -91,6 +91,11 @@ ir_expression *mul(operand a, operand b); ir_expression *dot(operand a, operand b); ir_expression *saturate(operand a); +/** + * Swizzle away later components, but preserve the ordering. + */ +ir_swizzle *swizzle_for_size(operand a, int components); + ir_swizzle *swizzle_xxxx(operand a); ir_swizzle *swizzle_yyyy(operand a); ir_swizzle *swizzle_zzzz(operand a); |