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eglapi: replace linear entrypoint search with binary search

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Tested with dEQP-EGL.functional.get_proc_address.*

Signed-off-by: Eric Engestrom <eric@engestrom.ch>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
This commit is contained in:
Eric Engestrom 2017-02-21 23:56:52 +00:00 • committed by Eric Engestrom
parent d25dea0c68
commit 1534fc6d10
1 changed files with 24 additions and 13 deletions
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37
src/egl/main/eglapi.c
View file

@ -157,6 +157,12 @@
_EGL_CHECK_OBJECT(disp, Sync, s, ret, drv)
struct _egl_entrypoint {
const char *name;
_EGLProc function;
};
static inline _EGLDriver *
_eglCheckDisplay(_EGLDisplay *disp, const char *msg)
{
@ -2350,34 +2356,39 @@ eglQueryDebugKHR(EGLint attribute, EGLAttrib *value)
return EGL_TRUE;
}
static int
_eglFunctionCompare(const void *key, const void *elem)
{
const char *procname = key;
const struct _egl_entrypoint *entrypoint = elem;
return strcmp(procname, entrypoint->name);
}
__eglMustCastToProperFunctionPointerType EGLAPIENTRY
eglGetProcAddress(const char *procname)
{
static const struct {
const char *name;
_EGLProc function;
} egl_functions[] = {
static const struct _egl_entrypoint egl_functions[] = {
#define EGL_ENTRYPOINT(f) { .name = #f, .function = (_EGLProc) f },
#include "eglentrypoint.h"
#undef EGL_ENTRYPOINT
};
EGLint i;
_EGLProc ret;
_EGLProc ret = NULL;
if (!procname)
RETURN_EGL_SUCCESS(NULL, NULL);
_EGL_FUNC_START(NULL, EGL_NONE, NULL, NULL);
ret = NULL;
if (strncmp(procname, "egl", 3) == 0) {
for (i = 0; egl_functions[i].name; i++) {
if (strcmp(egl_functions[i].name, procname) == 0) {
ret = egl_functions[i].function;
break;
}
}
const struct _egl_entrypoint *entrypoint =
bsearch(procname,
egl_functions, ARRAY_SIZE(egl_functions),
sizeof(egl_functions[0]),
_eglFunctionCompare);
if (entrypoint)
ret = entrypoint->function;
}
if (!ret)
ret = _eglGetDriverProc(procname);