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SDL_EGL_ChooseConfig: cleanups and minor optimizations.

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- Move an immutable condition out of a for loop.
- Add a break statement to that loop when we find what we're looking for.
- Add an assert to make sure we don't overflow a buffer.
- Wrap a single-statement if block in braces.
- Adjust some whitespace.
This commit is contained in:
Ryan C. Gordon 2021-04-03 10:10:58 -04:00
parent 7d02248cf5
commit 4abe34461f
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GPG key ID: FA148B892AB48044
1 changed files with 11 additions and 7 deletions
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18
src/video/SDL_egl.c
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@ -692,9 +692,9 @@ static void dumpconfig(_THIS, EGLConfig config)
#endif /* DUMP_EGL_CONFIG */
int
SDL_EGL_ChooseConfig(_THIS)
SDL_EGL_ChooseConfig(_THIS)
{
/* 64 seems nice. */
/* 64 seems nice. */
EGLint attribs[64];
EGLint found_configs = 0, value;
/* 128 seems even nicer here */
@ -706,7 +706,7 @@ SDL_EGL_ChooseConfig(_THIS)
/* The EGL library wasn't loaded, SDL_GetError() should have info */
return -1;
}
/* Get a valid EGL configuration */
i = 0;
attribs[i++] = EGL_RED_SIZE;
@ -775,6 +775,8 @@ SDL_EGL_ChooseConfig(_THIS)
attribs[i++] = EGL_NONE;
SDL_assert(i < SDL_arraysize(attribs));
if (_this->egl_data->eglChooseConfig(_this->egl_data->egl_display,
attribs,
configs, SDL_arraysize(configs),
@ -784,15 +786,17 @@ SDL_EGL_ChooseConfig(_THIS)
}
/* first ensure that a found config has a matching format, or the function will fall through. */
for (i = 0; i < found_configs; i++ ) {
if (_this->egl_data->egl_required_visual_id)
{
if (_this->egl_data->egl_required_visual_id)
{
for (i = 0; i < found_configs; i++ ) {
EGLint format;
_this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display,
configs[i],
EGL_NATIVE_VISUAL_ID, &format);
if (_this->egl_data->egl_required_visual_id == format)
if (_this->egl_data->egl_required_visual_id == format) {
has_matching_format = SDL_TRUE;
break;
}
}
}