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Code Activity

swscale/uops_macros_gen: use a per-backend header include guard

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Niklas Haas <git@haasn.dev>
This commit is contained in:
Niklas HaasandClaude Opus 5.5 authored and Niklas Haas committed 2026-10-25 02:23:01 +00:00
1 parent 2fab0667db
commit 6eb7510072
1 file changed
+9 -7
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libswscale/uops_macros_gen.c
+9 -7
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@@ -222,6 +222,7 @@ enum {
typedef struct Backend {
const char *name;
const char *guard; /* include guard for the generated C header */
SwsUOpFlags flags[2]; /* all flag combinations used by the backend */
} Backend;
@@ -229,6 +230,7 @@ static const Backend backends[] = {
{
/* Currently also covers all uops used by the x86 backend */
.name = "c",
.guard = "SWSCALE_UOPS_MACROS_H",
.flags = {
COMMON_FLAGS,
COMMON_FLAGS | SWS_UOP_FLAG_PSHUFB | SWS_UOP_FLAG_FMA,
@@ -387,7 +389,8 @@ fail:
* Returns 0 or a negative error code. On success, an allocated string is
* returned via `out_str`, and must be av_free()'d by the caller.
*/
static int print_macros(struct AVTreeNode *root, char **out_str)
static int print_macros(struct AVTreeNode *root, const Backend *backend,
char **out_str)
{
AVBPrint bprint, *const bp = &bprint;
av_bprint_init(bp, 0, AV_BPRINT_SIZE_UNLIMITED);
@@ -397,10 +400,9 @@ static int print_macros(struct AVTreeNode *root, char **out_str)
" * This file is automatically generated. Do not edit manually.\n"
" * To regenerate, run: make fate-sws-uops-macros GEN=1\n"
" */\n"
"\n"
"#ifndef SWSCALE_UOPS_MACROS_H\n"
"#define SWSCALE_UOPS_MACROS_H\n"
"\n"
"\n");
av_bprintf(bp, "#ifndef %s\n#define %s\n\n", backend->guard, backend->guard);
BPRINT_STR(
"/**\n"
" * Boilerplate helper macros, for template-based backends. These will be\n"
" * instantiated like this, with parameters in struct order:\n"
@@ -429,7 +431,7 @@ static int print_macros(struct AVTreeNode *root, char **out_str)
}
}
BPRINT_STR("\n#endif /* SWSCALE_UOPS_MACROS_H */");
av_bprintf(bp, "\n#endif /* %s */", backend->guard);
return av_bprint_finalize(bp, out_str);
}
@@ -520,7 +522,7 @@ int main(int argc, char **argv)
return ret;
char *macros = NULL;
ret = print_macros(root, &macros);
ret = print_macros(root, backend, &macros);
if (ret >= 0)
puts(macros);
av_free(macros);