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egl: add eglCreateImage (v2)

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v2: - use calloc
    - return BAD_ALLOC if calloc fails

Reviewed-by: Chad Versace <chad.versace@intel.com>
This commit is contained in:
Marek Olšák 2015-05-12 20:42:05 +02:00
parent 1e79e054e7
commit 515f04ed6f
1 changed files with 42 additions and 0 deletions
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42
src/egl/main/eglapi.c
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@ -251,6 +251,31 @@ _eglUnlockDisplay(_EGLDisplay *dpy)
}
static EGLint *
_eglConvertAttribsToInt(const EGLAttrib *attr_list)
{
EGLint *int_attribs = NULL;
/* Convert attributes from EGLAttrib[] to EGLint[] */
if (attr_list) {
int i, size = 0;
while (attr_list[size] != EGL_NONE)
size += 2;
size += 1; /* add space for EGL_NONE */
int_attribs = calloc(size, sizeof(int_attribs[0]));
if (!int_attribs)
return NULL;
for (i = 0; i < size; i++)
int_attribs[i] = attr_list[i];
}
return int_attribs;
}
/**
* This is typically the first EGL function that an application calls.
* It associates a private _EGLDisplay object to the native display.
@ -1255,6 +1280,22 @@ eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target,
}
EGLImage EGLAPIENTRY
eglCreateImage(EGLDisplay dpy, EGLContext ctx, EGLenum target,
EGLClientBuffer buffer, const EGLAttrib *attr_list)
{
EGLImage image;
EGLint *int_attribs = _eglConvertAttribsToInt(attr_list);
if (attr_list && !int_attribs)
RETURN_EGL_ERROR(NULL, EGL_BAD_ALLOC, EGL_NO_IMAGE);
image = eglCreateImageKHR(dpy, ctx, target, buffer, int_attribs);
free(int_attribs);
return image;
}
EGLBoolean EGLAPIENTRY
eglDestroyImage(EGLDisplay dpy, EGLImage image)
{
@ -1751,6 +1792,7 @@ eglGetProcAddress(const char *procname)
{ "eglClientWaitSync", (_EGLProc) eglClientWaitSync },
{ "eglGetSyncAttrib", (_EGLProc) eglGetSyncAttrib },
{ "eglWaitSync", (_EGLProc) eglWaitSync },
{ "eglCreateImage", (_EGLProc) eglCreateImage },
{ "eglDestroyImage", (_EGLProc) eglDestroyImage },
#ifdef EGL_MESA_drm_display
{ "eglGetDRMDisplayMESA", (_EGLProc) eglGetDRMDisplayMESA },