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authorIcecream95 <ixn@keemail.me>2020-02-14 20:22:38 +1300
committerMarge Bot <eric+marge@anholt.net>2020-02-14 12:53:36 +0000
commitf3490a141c8d562fc29e714c3735f2ae8e3c0512 (patch)
tree00a48949a663868ff23809b2c0e8e275ce27fa87 /src/gallium/drivers/panfrost/pan_format.h
parentefda2cfcf96b1071c18800ff3f878fe627359e8a (diff)
panfrost: Inline panfrost_get_default_swizzle
This commit replaces panfrost_get_default_swizzle with an inlined implementation where the returned values can be determined at compile time. According to perf, this previously used about 2% CPU for Openarena. Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3824>
Diffstat (limited to 'src/gallium/drivers/panfrost/pan_format.h')
-rw-r--r--src/gallium/drivers/panfrost/pan_format.h24
1 files changed, 21 insertions, 3 deletions
diff --git a/src/gallium/drivers/panfrost/pan_format.h b/src/gallium/drivers/panfrost/pan_format.h
index 8468904da23..b82493df425 100644
--- a/src/gallium/drivers/panfrost/pan_format.h
+++ b/src/gallium/drivers/panfrost/pan_format.h
@@ -31,9 +31,6 @@
unsigned
panfrost_translate_swizzle_4(const unsigned char swizzle[4]);
-unsigned
-panfrost_get_default_swizzle(unsigned components);
-
enum mali_format
panfrost_find_format(const struct util_format_description *desc);
@@ -43,6 +40,27 @@ panfrost_invert_swizzle(const unsigned char *in, unsigned char *out);
bool
panfrost_is_z24s8_variant(enum pipe_format fmt);
+static inline unsigned
+panfrost_get_default_swizzle(unsigned components)
+{
+ switch (components) {
+ case 1:
+ return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_ZERO << 3) |
+ (MALI_CHANNEL_ZERO << 6) | (MALI_CHANNEL_ONE << 9);
+ case 2:
+ return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
+ (MALI_CHANNEL_ZERO << 6) | (MALI_CHANNEL_ONE << 9);
+ case 3:
+ return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
+ (MALI_CHANNEL_BLUE << 6) | (MALI_CHANNEL_ONE << 9);
+ case 4:
+ return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
+ (MALI_CHANNEL_BLUE << 6) | (MALI_CHANNEL_ALPHA << 9);
+ default:
+ unreachable("Invalid number of components");
+ }
+}
+
#endif