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#include <string.h>
#include <assert.h>
#include <glvnd/libeglabi.h>
#include "eglcurrent.h"
#include "egldispatchstubs.h"
#include "eglglobals.h"
static const __EGLapiExports *__eglGLVNDApiExports = NULL;
static const char * EGLAPIENTRY
__eglGLVNDQueryString(EGLDisplay dpy, EGLenum name)
{
// For client extensions, return the list of non-platform extensions. The
// platform extensions are returned by __eglGLVNDGetVendorString.
if (dpy == EGL_NO_DISPLAY && name == EGL_EXTENSIONS)
return _eglGlobal.ClientOnlyExtensionString;
// For everything else, forward to the normal eglQueryString function.
return eglQueryString(dpy, name);
}
static const char *
__eglGLVNDGetVendorString(int name)
{
if (name == __EGL_VENDOR_STRING_PLATFORM_EXTENSIONS) {
const char *str = _eglGlobal.PlatformExtensionString;
// The platform extension string may have a leading space. If it does,
// then skip over it.
while (*str == ' ') {
str++;
}
return str;
}
return NULL;
}
static EGLDisplay
__eglGLVNDGetPlatformDisplay(EGLenum platform, void *native_display,
const EGLAttrib *attrib_list)
{
if (platform == EGL_NONE) {
assert(native_display == (void *) EGL_DEFAULT_DISPLAY);
assert(attrib_list == NULL);
return eglGetDisplay((EGLNativeDisplayType) native_display);
} else {
return eglGetPlatformDisplay(platform, native_display, attrib_list);
}
}
static void *
__eglGLVNDGetProcAddress(const char *procName)
{
if (strcmp(procName, "eglQueryString") == 0)
return (void *) __eglGLVNDQueryString;
return (void *) eglGetProcAddress(procName);
}
EGLAPI EGLBoolean
__egl_Main(uint32_t version, const __EGLapiExports *exports,
__EGLvendorInfo *vendor, __EGLapiImports *imports)
{
if (EGL_VENDOR_ABI_GET_MAJOR_VERSION(version) !=
EGL_VENDOR_ABI_MAJOR_VERSION)
return EGL_FALSE;
__eglGLVNDApiExports = exports;
__eglInitDispatchStubs(exports);
imports->getPlatformDisplay = __eglGLVNDGetPlatformDisplay;
imports->getSupportsAPI = _eglIsApiValid;
imports->getVendorString = __eglGLVNDGetVendorString;
imports->getProcAddress = __eglGLVNDGetProcAddress;
imports->getDispatchAddress = __eglDispatchFindDispatchFunction;
imports->setDispatchIndex = __eglSetDispatchIndex;
return EGL_TRUE;
}
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