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pixels: Remove unused function

pull/131/head
Andri Yngvason 2022-01-27 22:40:55 +00:00
parent 93335e7ba5
commit 3b26a43b97
2 changed files with 0 additions and 72 deletions
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2
include/pixels.h
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@ -16,11 +16,9 @@
#pragma once
#include <pixman.h>
#include <wayland-client.h>
#include <libdrm/drm_fourcc.h>
#include <stdbool.h>
enum wl_shm_format fourcc_to_wl_shm(uint32_t in);
bool fourcc_to_pixman_fmt(pixman_format_code_t* dst, uint32_t src);
uint32_t fourcc_from_wl_shm(enum wl_shm_format in);

70
src/pixels.c
View File

@ -44,73 +44,3 @@ uint32_t fourcc_from_wl_shm(enum wl_shm_format in)
return in;
}
bool fourcc_to_pixman_fmt(pixman_format_code_t* dst, uint32_t src)
{
assert(!(src & DRM_FORMAT_BIG_ENDIAN));
#define LOWER_R r
#define LOWER_G g
#define LOWER_B b
#define LOWER_A a
#define LOWER_X x
#define LOWER_
#define LOWER(x) LOWER_##x
#define CONCAT_(a, b) a ## b
#define CONCAT(a, b) CONCAT_(a, b)
#define FMT_DRM(x, y, z, v, a, b, c, d) DRM_FORMAT_##x##y##z##v##a##b##c##d
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define FMT_PIXMAN(x, y, z, v, a, b, c, d) \
CONCAT(CONCAT(CONCAT(CONCAT(CONCAT(CONCAT(CONCAT(CONCAT(\
PIXMAN_, LOWER(x)), a), LOWER(y)), b), LOWER(z)), c), LOWER(v)), d)
#else
#define FMT_PIXMAN(x, y, z, v, a, b, c, d) \
CONCAT(CONCAT(CONCAT(CONCAT(CONCAT(CONCAT(CONCAT(CONCAT(\
PIXMAN_, LOWER(v)), d), LOWER(z)), c), LOWER(y)), b), LOWER(x)), a)
#endif
switch (src) {
#define X(...) \
case FMT_DRM(__VA_ARGS__): *dst = FMT_PIXMAN(__VA_ARGS__); break
/* 32 bits */
X(A,R,G,B,8,8,8,8);
X(A,B,G,R,8,8,8,8);
X(X,R,G,B,8,8,8,8);
X(X,B,G,R,8,8,8,8);
X(R,G,B,A,8,8,8,8);
X(B,G,R,A,8,8,8,8);
X(R,G,B,X,8,8,8,8);
X(B,G,R,X,8,8,8,8);
/* 24 bits */
X(R,G,B,,8,8,8,);
X(B,G,R,,8,8,8,);
/* 16 bits */
X(R,G,B,,5,6,5,);
X(B,G,R,,5,6,5,);
/* These are incompatible on big endian */
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
X(A,R,G,B,1,5,5,5);
X(A,B,G,R,1,5,5,5);
X(X,R,G,B,1,5,5,5);
X(X,B,G,R,1,5,5,5);
X(A,R,G,B,4,4,4,4);
X(A,B,G,R,4,4,4,4);
X(X,R,G,B,4,4,4,4);
X(X,B,G,R,4,4,4,4);
#endif
#undef X
default: return false;
}
return true;
}