[Mesa-dev] [PATCH] st/mesa: mark constant array of swizzles as static const

Nils Wallménius nils.wallmenius at gmail.com
Thu Jan 22 11:47:28 PST 2015


This saves about 0.5k in the text section for a gallium driver
on amd64.
---
 src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 2ed7a3b..f1131d5 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -486,7 +486,7 @@ fail_link(struct gl_shader_program *prog, const char *fmt, ...)
 static int
 swizzle_for_size(int size)
 {
-   int size_swizzles[4] = {
+   static const int size_swizzles[4] = {
       MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_X),
       MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Y, SWIZZLE_Y),
       MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_Z),
-- 
2.1.4



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