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Regard whitespace Rev 4357 → Rev 4358

/contrib/sdk/sources/Mesa/src/egl/main/eglapi.c
0,0 → 1,1616
/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
* Copyright 2010-2011 LunarG, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
 
 
/**
* Public EGL API entrypoints
*
* Generally, we use the EGLDisplay parameter as a key to lookup the
* appropriate device driver handle, then jump though the driver's
* dispatch table to handle the function.
*
* That allows us the option of supporting multiple, simultaneous,
* heterogeneous hardware devices in the future.
*
* The EGLDisplay, EGLConfig, EGLContext and EGLSurface types are
* opaque handles. Internal objects are linked to a display to
* create the handles.
*
* For each public API entry point, the opaque handles are looked up
* before being dispatched to the drivers. When it fails to look up
* a handle, one of
*
* EGL_BAD_DISPLAY
* EGL_BAD_CONFIG
* EGL_BAD_CONTEXT
* EGL_BAD_SURFACE
* EGL_BAD_SCREEN_MESA
* EGL_BAD_MODE_MESA
*
* is generated and the driver function is not called. An
* uninitialized EGLDisplay has no driver associated with it. When
* such display is detected,
*
* EGL_NOT_INITIALIZED
*
* is generated.
*
* Some of the entry points use current display, context, or surface
* implicitly. For such entry points, the implicit objects are also
* checked before calling the driver function. Other than the
* errors listed above,
*
* EGL_BAD_CURRENT_SURFACE
*
* may also be generated.
*
* Notes on naming conventions:
*
* eglFooBar - public EGL function
* EGL_FOO_BAR - public EGL token
* EGLDatatype - public EGL datatype
*
* _eglFooBar - private EGL function
* _EGLDatatype - private EGL datatype, typedef'd struct
* _egl_struct - private EGL struct, non-typedef'd
*
*/
 
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include "eglcontext.h"
#include "egldisplay.h"
#include "egltypedefs.h"
#include "eglcurrent.h"
#include "egldriver.h"
#include "eglsurface.h"
#include "eglconfig.h"
#include "eglscreen.h"
#include "eglmode.h"
#include "eglimage.h"
#include "eglsync.h"
 
 
/**
* Macros to help return an API entrypoint.
*
* These macros will unlock the display and record the error code.
*/
#define RETURN_EGL_ERROR(disp, err, ret) \
do { \
if (disp) \
_eglUnlockDisplay(disp); \
/* EGL error codes are non-zero */ \
if (err) \
_eglError(err, __FUNCTION__); \
return ret; \
} while (0)
 
#define RETURN_EGL_SUCCESS(disp, ret) \
RETURN_EGL_ERROR(disp, EGL_SUCCESS, ret)
 
/* record EGL_SUCCESS only when ret evaluates to true */
#define RETURN_EGL_EVAL(disp, ret) \
RETURN_EGL_ERROR(disp, (ret) ? EGL_SUCCESS : 0, ret)
 
 
/*
* A bunch of macros and checks to simplify error checking.
*/
 
#define _EGL_CHECK_DISPLAY(disp, ret, drv) \
do { \
drv = _eglCheckDisplay(disp, __FUNCTION__); \
if (!drv) \
RETURN_EGL_ERROR(disp, 0, ret); \
} while (0)
 
#define _EGL_CHECK_OBJECT(disp, type, obj, ret, drv) \
do { \
drv = _eglCheck ## type(disp, obj, __FUNCTION__); \
if (!drv) \
RETURN_EGL_ERROR(disp, 0, ret); \
} while (0)
 
#define _EGL_CHECK_SURFACE(disp, surf, ret, drv) \
_EGL_CHECK_OBJECT(disp, Surface, surf, ret, drv)
 
#define _EGL_CHECK_CONTEXT(disp, context, ret, drv) \
_EGL_CHECK_OBJECT(disp, Context, context, ret, drv)
 
#define _EGL_CHECK_CONFIG(disp, conf, ret, drv) \
_EGL_CHECK_OBJECT(disp, Config, conf, ret, drv)
 
#define _EGL_CHECK_SCREEN(disp, scrn, ret, drv) \
_EGL_CHECK_OBJECT(disp, Screen, scrn, ret, drv)
 
#define _EGL_CHECK_MODE(disp, m, ret, drv) \
_EGL_CHECK_OBJECT(disp, Mode, m, ret, drv)
 
#define _EGL_CHECK_SYNC(disp, s, ret, drv) \
_EGL_CHECK_OBJECT(disp, Sync, s, ret, drv)
 
 
static INLINE _EGLDriver *
_eglCheckDisplay(_EGLDisplay *disp, const char *msg)
{
if (!disp) {
_eglError(EGL_BAD_DISPLAY, msg);
return NULL;
}
if (!disp->Initialized) {
_eglError(EGL_NOT_INITIALIZED, msg);
return NULL;
}
return disp->Driver;
}
 
 
static INLINE _EGLDriver *
_eglCheckSurface(_EGLDisplay *disp, _EGLSurface *surf, const char *msg)
{
_EGLDriver *drv = _eglCheckDisplay(disp, msg);
if (!drv)
return NULL;
if (!surf) {
_eglError(EGL_BAD_SURFACE, msg);
return NULL;
}
return drv;
}
 
 
static INLINE _EGLDriver *
_eglCheckContext(_EGLDisplay *disp, _EGLContext *context, const char *msg)
{
_EGLDriver *drv = _eglCheckDisplay(disp, msg);
if (!drv)
return NULL;
if (!context) {
_eglError(EGL_BAD_CONTEXT, msg);
return NULL;
}
return drv;
}
 
 
static INLINE _EGLDriver *
_eglCheckConfig(_EGLDisplay *disp, _EGLConfig *conf, const char *msg)
{
_EGLDriver *drv = _eglCheckDisplay(disp, msg);
if (!drv)
return NULL;
if (!conf) {
_eglError(EGL_BAD_CONFIG, msg);
return NULL;
}
return drv;
}
 
 
static INLINE _EGLDriver *
_eglCheckSync(_EGLDisplay *disp, _EGLSync *s, const char *msg)
{
_EGLDriver *drv = _eglCheckDisplay(disp, msg);
if (!drv)
return NULL;
if (!s) {
_eglError(EGL_BAD_PARAMETER, msg);
return NULL;
}
return drv;
}
 
 
#ifdef EGL_MESA_screen_surface
 
 
static INLINE _EGLDriver *
_eglCheckScreen(_EGLDisplay *disp, _EGLScreen *scrn, const char *msg)
{
_EGLDriver *drv = _eglCheckDisplay(disp, msg);
if (!drv)
return NULL;
if (!scrn) {
_eglError(EGL_BAD_SCREEN_MESA, msg);
return NULL;
}
return drv;
}
 
 
static INLINE _EGLDriver *
_eglCheckMode(_EGLDisplay *disp, _EGLMode *m, const char *msg)
{
_EGLDriver *drv = _eglCheckDisplay(disp, msg);
if (!drv)
return NULL;
if (!m) {
_eglError(EGL_BAD_MODE_MESA, msg);
return NULL;
}
return drv;
}
 
 
#endif /* EGL_MESA_screen_surface */
 
 
/**
* Lookup and lock a display.
*/
static INLINE _EGLDisplay *
_eglLockDisplay(EGLDisplay display)
{
_EGLDisplay *dpy = _eglLookupDisplay(display);
if (dpy)
_eglLockMutex(&dpy->Mutex);
return dpy;
}
 
 
/**
* Unlock a display.
*/
static INLINE void
_eglUnlockDisplay(_EGLDisplay *dpy)
{
_eglUnlockMutex(&dpy->Mutex);
}
 
 
/**
* This is typically the first EGL function that an application calls.
* It associates a private _EGLDisplay object to the native display.
*/
EGLDisplay EGLAPIENTRY
eglGetDisplay(EGLNativeDisplayType nativeDisplay)
{
_EGLPlatformType plat = _eglGetNativePlatform(nativeDisplay);
_EGLDisplay *dpy = _eglFindDisplay(plat, (void *) nativeDisplay);
return _eglGetDisplayHandle(dpy);
}
 
 
/**
* This is typically the second EGL function that an application calls.
* Here we load/initialize the actual hardware driver.
*/
EGLBoolean EGLAPIENTRY
eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
 
if (!disp)
RETURN_EGL_ERROR(NULL, EGL_BAD_DISPLAY, EGL_FALSE);
 
if (!disp->Initialized) {
if (!_eglMatchDriver(disp, EGL_FALSE))
RETURN_EGL_ERROR(disp, EGL_NOT_INITIALIZED, EGL_FALSE);
 
/* limit to APIs supported by core */
disp->ClientAPIs &= _EGL_API_ALL_BITS;
}
 
/* Update applications version of major and minor if not NULL */
if ((major != NULL) && (minor != NULL)) {
*major = disp->VersionMajor;
*minor = disp->VersionMinor;
}
 
RETURN_EGL_SUCCESS(disp, EGL_TRUE);
}
 
 
EGLBoolean EGLAPIENTRY
eglTerminate(EGLDisplay dpy)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
 
if (!disp)
RETURN_EGL_ERROR(NULL, EGL_BAD_DISPLAY, EGL_FALSE);
 
if (disp->Initialized) {
_EGLDriver *drv = disp->Driver;
 
drv->API.Terminate(drv, disp);
/* do not reset disp->Driver */
disp->Initialized = EGL_FALSE;
}
 
RETURN_EGL_SUCCESS(disp, EGL_TRUE);
}
 
 
const char * EGLAPIENTRY
eglQueryString(EGLDisplay dpy, EGLint name)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLDriver *drv;
const char *ret;
 
_EGL_CHECK_DISPLAY(disp, NULL, drv);
ret = drv->API.QueryString(drv, disp, name);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglGetConfigs(EGLDisplay dpy, EGLConfig *configs,
EGLint config_size, EGLint *num_config)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
ret = drv->API.GetConfigs(drv, disp, configs, config_size, num_config);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs,
EGLint config_size, EGLint *num_config)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
ret = drv->API.ChooseConfig(drv, disp, attrib_list, configs,
config_size, num_config);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
EGLint attribute, EGLint *value)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLConfig *conf = _eglLookupConfig(config, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_CONFIG(disp, conf, EGL_FALSE, drv);
ret = drv->API.GetConfigAttrib(drv, disp, conf, attribute, value);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLContext EGLAPIENTRY
eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_list,
const EGLint *attrib_list)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLConfig *conf = _eglLookupConfig(config, disp);
_EGLContext *share = _eglLookupContext(share_list, disp);
_EGLDriver *drv;
_EGLContext *context;
EGLContext ret;
 
_EGL_CHECK_DISPLAY(disp, EGL_NO_CONTEXT, drv);
 
if (!config) {
/* config may be NULL if surfaceless */
if (!disp->Extensions.KHR_surfaceless_context)
RETURN_EGL_ERROR(disp, EGL_BAD_CONFIG, EGL_NO_CONTEXT);
}
 
if (!share && share_list != EGL_NO_CONTEXT)
RETURN_EGL_ERROR(disp, EGL_BAD_CONTEXT, EGL_NO_CONTEXT);
 
context = drv->API.CreateContext(drv, disp, conf, share, attrib_list);
ret = (context) ? _eglLinkContext(context) : EGL_NO_CONTEXT;
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLContext *context = _eglLookupContext(ctx, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_CONTEXT(disp, context, EGL_FALSE, drv);
_eglUnlinkContext(context);
ret = drv->API.DestroyContext(drv, disp, context);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglMakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read,
EGLContext ctx)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLContext *context = _eglLookupContext(ctx, disp);
_EGLSurface *draw_surf = _eglLookupSurface(draw, disp);
_EGLSurface *read_surf = _eglLookupSurface(read, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
if (!disp)
RETURN_EGL_ERROR(disp, EGL_BAD_DISPLAY, EGL_FALSE);
drv = disp->Driver;
 
/* display is allowed to be uninitialized under certain condition */
if (!disp->Initialized) {
if (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE ||
ctx != EGL_NO_CONTEXT)
RETURN_EGL_ERROR(disp, EGL_BAD_DISPLAY, EGL_FALSE);
}
if (!drv)
RETURN_EGL_SUCCESS(disp, EGL_TRUE);
 
if (!context && ctx != EGL_NO_CONTEXT)
RETURN_EGL_ERROR(disp, EGL_BAD_CONTEXT, EGL_FALSE);
if (!draw_surf || !read_surf) {
/* surfaces may be NULL if surfaceless */
if (!disp->Extensions.KHR_surfaceless_context)
RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
 
if ((!draw_surf && draw != EGL_NO_SURFACE) ||
(!read_surf && read != EGL_NO_SURFACE))
RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
if (draw_surf || read_surf)
RETURN_EGL_ERROR(disp, EGL_BAD_MATCH, EGL_FALSE);
}
 
ret = drv->API.MakeCurrent(drv, disp, draw_surf, read_surf, context);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglQueryContext(EGLDisplay dpy, EGLContext ctx,
EGLint attribute, EGLint *value)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLContext *context = _eglLookupContext(ctx, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_CONTEXT(disp, context, EGL_FALSE, drv);
ret = drv->API.QueryContext(drv, disp, context, attribute, value);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLSurface EGLAPIENTRY
eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config,
EGLNativeWindowType window, const EGLint *attrib_list)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLConfig *conf = _eglLookupConfig(config, disp);
_EGLDriver *drv;
_EGLSurface *surf;
EGLSurface ret;
 
_EGL_CHECK_CONFIG(disp, conf, EGL_NO_SURFACE, drv);
if (disp->Platform != _eglGetNativePlatform(disp->PlatformDisplay))
RETURN_EGL_ERROR(disp, EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
 
surf = drv->API.CreateWindowSurface(drv, disp, conf, window, attrib_list);
ret = (surf) ? _eglLinkSurface(surf) : EGL_NO_SURFACE;
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLSurface EGLAPIENTRY
eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config,
EGLNativePixmapType pixmap, const EGLint *attrib_list)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLConfig *conf = _eglLookupConfig(config, disp);
_EGLDriver *drv;
_EGLSurface *surf;
EGLSurface ret;
 
_EGL_CHECK_CONFIG(disp, conf, EGL_NO_SURFACE, drv);
if (disp->Platform != _eglGetNativePlatform(disp->PlatformDisplay))
RETURN_EGL_ERROR(disp, EGL_BAD_NATIVE_PIXMAP, EGL_NO_SURFACE);
 
surf = drv->API.CreatePixmapSurface(drv, disp, conf, pixmap, attrib_list);
ret = (surf) ? _eglLinkSurface(surf) : EGL_NO_SURFACE;
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLSurface EGLAPIENTRY
eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config,
const EGLint *attrib_list)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLConfig *conf = _eglLookupConfig(config, disp);
_EGLDriver *drv;
_EGLSurface *surf;
EGLSurface ret;
 
_EGL_CHECK_CONFIG(disp, conf, EGL_NO_SURFACE, drv);
 
surf = drv->API.CreatePbufferSurface(drv, disp, conf, attrib_list);
ret = (surf) ? _eglLinkSurface(surf) : EGL_NO_SURFACE;
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSurface *surf = _eglLookupSurface(surface, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
_eglUnlinkSurface(surf);
ret = drv->API.DestroySurface(drv, disp, surf);
 
RETURN_EGL_EVAL(disp, ret);
}
 
EGLBoolean EGLAPIENTRY
eglQuerySurface(EGLDisplay dpy, EGLSurface surface,
EGLint attribute, EGLint *value)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSurface *surf = _eglLookupSurface(surface, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
ret = drv->API.QuerySurface(drv, disp, surf, attribute, value);
 
RETURN_EGL_EVAL(disp, ret);
}
 
EGLBoolean EGLAPIENTRY
eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface,
EGLint attribute, EGLint value)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSurface *surf = _eglLookupSurface(surface, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
ret = drv->API.SurfaceAttrib(drv, disp, surf, attribute, value);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSurface *surf = _eglLookupSurface(surface, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
ret = drv->API.BindTexImage(drv, disp, surf, buffer);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSurface *surf = _eglLookupSurface(surface, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
ret = drv->API.ReleaseTexImage(drv, disp, surf, buffer);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglSwapInterval(EGLDisplay dpy, EGLint interval)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLContext *ctx = _eglGetCurrentContext();
_EGLSurface *surf;
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
 
if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
ctx->Resource.Display != disp)
RETURN_EGL_ERROR(disp, EGL_BAD_CONTEXT, EGL_FALSE);
 
surf = ctx->DrawSurface;
if (_eglGetSurfaceHandle(surf) == EGL_NO_SURFACE)
RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
 
ret = drv->API.SwapInterval(drv, disp, surf, interval);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
{
_EGLContext *ctx = _eglGetCurrentContext();
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSurface *surf = _eglLookupSurface(surface, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
 
/* surface must be bound to current context in EGL 1.4 */
if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
surf != ctx->DrawSurface)
RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
 
ret = drv->API.SwapBuffers(drv, disp, surf);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
#ifdef EGL_EXT_swap_buffers_with_damage
 
EGLBoolean EGLAPIENTRY
eglSwapBuffersWithDamageEXT(EGLDisplay dpy, EGLSurface surface,
EGLint *rects, EGLint n_rects)
{
_EGLContext *ctx = _eglGetCurrentContext();
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSurface *surf = _eglLookupSurface(surface, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
 
/* surface must be bound to current context in EGL 1.4 */
if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
surf != ctx->DrawSurface)
RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
 
if ((n_rects > 0 && rects == NULL) || n_rects < 0)
RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
ret = drv->API.SwapBuffersWithDamageEXT(drv, disp, surf, rects, n_rects);
 
RETURN_EGL_EVAL(disp, ret);
}
 
#endif /* EGL_EXT_swap_buffers_with_damage */
 
EGLBoolean EGLAPIENTRY
eglCopyBuffers(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSurface *surf = _eglLookupSurface(surface, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
if (disp->Platform != _eglGetNativePlatform(disp->PlatformDisplay))
RETURN_EGL_ERROR(disp, EGL_BAD_NATIVE_PIXMAP, EGL_FALSE);
ret = drv->API.CopyBuffers(drv, disp, surf, target);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglWaitClient(void)
{
_EGLContext *ctx = _eglGetCurrentContext();
_EGLDisplay *disp;
_EGLDriver *drv;
EGLBoolean ret;
 
if (!ctx)
RETURN_EGL_SUCCESS(NULL, EGL_TRUE);
 
disp = ctx->Resource.Display;
_eglLockMutex(&disp->Mutex);
 
/* let bad current context imply bad current surface */
if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
_eglGetSurfaceHandle(ctx->DrawSurface) == EGL_NO_SURFACE)
RETURN_EGL_ERROR(disp, EGL_BAD_CURRENT_SURFACE, EGL_FALSE);
 
/* a valid current context implies an initialized current display */
assert(disp->Initialized);
drv = disp->Driver;
ret = drv->API.WaitClient(drv, disp, ctx);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglWaitGL(void)
{
_EGLThreadInfo *t = _eglGetCurrentThread();
EGLint api_index = t->CurrentAPIIndex;
EGLint es_index = _eglConvertApiToIndex(EGL_OPENGL_ES_API);
EGLBoolean ret;
 
if (api_index != es_index && _eglIsCurrentThreadDummy())
RETURN_EGL_ERROR(NULL, EGL_BAD_ALLOC, EGL_FALSE);
 
t->CurrentAPIIndex = es_index;
ret = eglWaitClient();
t->CurrentAPIIndex = api_index;
return ret;
}
 
 
EGLBoolean EGLAPIENTRY
eglWaitNative(EGLint engine)
{
_EGLContext *ctx = _eglGetCurrentContext();
_EGLDisplay *disp;
_EGLDriver *drv;
EGLBoolean ret;
 
if (!ctx)
RETURN_EGL_SUCCESS(NULL, EGL_TRUE);
 
disp = ctx->Resource.Display;
_eglLockMutex(&disp->Mutex);
 
/* let bad current context imply bad current surface */
if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
_eglGetSurfaceHandle(ctx->DrawSurface) == EGL_NO_SURFACE)
RETURN_EGL_ERROR(disp, EGL_BAD_CURRENT_SURFACE, EGL_FALSE);
 
/* a valid current context implies an initialized current display */
assert(disp->Initialized);
drv = disp->Driver;
ret = drv->API.WaitNative(drv, disp, engine);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLDisplay EGLAPIENTRY
eglGetCurrentDisplay(void)
{
_EGLContext *ctx = _eglGetCurrentContext();
EGLDisplay ret;
 
ret = (ctx) ? _eglGetDisplayHandle(ctx->Resource.Display) : EGL_NO_DISPLAY;
 
RETURN_EGL_SUCCESS(NULL, ret);
}
 
 
EGLContext EGLAPIENTRY
eglGetCurrentContext(void)
{
_EGLContext *ctx = _eglGetCurrentContext();
EGLContext ret;
 
ret = _eglGetContextHandle(ctx);
 
RETURN_EGL_SUCCESS(NULL, ret);
}
 
 
EGLSurface EGLAPIENTRY
eglGetCurrentSurface(EGLint readdraw)
{
_EGLContext *ctx = _eglGetCurrentContext();
EGLint err = EGL_SUCCESS;
_EGLSurface *surf;
EGLSurface ret;
 
if (!ctx)
RETURN_EGL_SUCCESS(NULL, EGL_NO_SURFACE);
 
switch (readdraw) {
case EGL_DRAW:
surf = ctx->DrawSurface;
break;
case EGL_READ:
surf = ctx->ReadSurface;
break;
default:
surf = NULL;
err = EGL_BAD_PARAMETER;
break;
}
 
ret = _eglGetSurfaceHandle(surf);
 
RETURN_EGL_ERROR(NULL, err, ret);
}
 
 
EGLint EGLAPIENTRY
eglGetError(void)
{
_EGLThreadInfo *t = _eglGetCurrentThread();
EGLint e = t->LastError;
if (!_eglIsCurrentThreadDummy())
t->LastError = EGL_SUCCESS;
return e;
}
 
 
__eglMustCastToProperFunctionPointerType EGLAPIENTRY
eglGetProcAddress(const char *procname)
{
static const struct {
const char *name;
_EGLProc function;
} egl_functions[] = {
/* core functions should not be queryable, but, well... */
#ifdef _EGL_GET_CORE_ADDRESSES
/* alphabetical order */
{ "eglBindAPI", (_EGLProc) eglBindAPI },
{ "eglBindTexImage", (_EGLProc) eglBindTexImage },
{ "eglChooseConfig", (_EGLProc) eglChooseConfig },
{ "eglCopyBuffers", (_EGLProc) eglCopyBuffers },
{ "eglCreateContext", (_EGLProc) eglCreateContext },
{ "eglCreatePbufferFromClientBuffer", (_EGLProc) eglCreatePbufferFromClientBuffer },
{ "eglCreatePbufferSurface", (_EGLProc) eglCreatePbufferSurface },
{ "eglCreatePixmapSurface", (_EGLProc) eglCreatePixmapSurface },
{ "eglCreateWindowSurface", (_EGLProc) eglCreateWindowSurface },
{ "eglDestroyContext", (_EGLProc) eglDestroyContext },
{ "eglDestroySurface", (_EGLProc) eglDestroySurface },
{ "eglGetConfigAttrib", (_EGLProc) eglGetConfigAttrib },
{ "eglGetConfigs", (_EGLProc) eglGetConfigs },
{ "eglGetCurrentContext", (_EGLProc) eglGetCurrentContext },
{ "eglGetCurrentDisplay", (_EGLProc) eglGetCurrentDisplay },
{ "eglGetCurrentSurface", (_EGLProc) eglGetCurrentSurface },
{ "eglGetDisplay", (_EGLProc) eglGetDisplay },
{ "eglGetError", (_EGLProc) eglGetError },
{ "eglGetProcAddress", (_EGLProc) eglGetProcAddress },
{ "eglInitialize", (_EGLProc) eglInitialize },
{ "eglMakeCurrent", (_EGLProc) eglMakeCurrent },
{ "eglQueryAPI", (_EGLProc) eglQueryAPI },
{ "eglQueryContext", (_EGLProc) eglQueryContext },
{ "eglQueryString", (_EGLProc) eglQueryString },
{ "eglQuerySurface", (_EGLProc) eglQuerySurface },
{ "eglReleaseTexImage", (_EGLProc) eglReleaseTexImage },
{ "eglReleaseThread", (_EGLProc) eglReleaseThread },
{ "eglSurfaceAttrib", (_EGLProc) eglSurfaceAttrib },
{ "eglSwapBuffers", (_EGLProc) eglSwapBuffers },
{ "eglSwapInterval", (_EGLProc) eglSwapInterval },
{ "eglTerminate", (_EGLProc) eglTerminate },
{ "eglWaitClient", (_EGLProc) eglWaitClient },
{ "eglWaitGL", (_EGLProc) eglWaitGL },
{ "eglWaitNative", (_EGLProc) eglWaitNative },
#endif /* _EGL_GET_CORE_ADDRESSES */
#ifdef EGL_MESA_screen_surface
{ "eglChooseModeMESA", (_EGLProc) eglChooseModeMESA },
{ "eglGetModesMESA", (_EGLProc) eglGetModesMESA },
{ "eglGetModeAttribMESA", (_EGLProc) eglGetModeAttribMESA },
{ "eglCopyContextMESA", (_EGLProc) eglCopyContextMESA },
{ "eglGetScreensMESA", (_EGLProc) eglGetScreensMESA },
{ "eglCreateScreenSurfaceMESA", (_EGLProc) eglCreateScreenSurfaceMESA },
{ "eglShowScreenSurfaceMESA", (_EGLProc) eglShowScreenSurfaceMESA },
{ "eglScreenPositionMESA", (_EGLProc) eglScreenPositionMESA },
{ "eglQueryScreenMESA", (_EGLProc) eglQueryScreenMESA },
{ "eglQueryScreenSurfaceMESA", (_EGLProc) eglQueryScreenSurfaceMESA },
{ "eglQueryScreenModeMESA", (_EGLProc) eglQueryScreenModeMESA },
{ "eglQueryModeStringMESA", (_EGLProc) eglQueryModeStringMESA },
#endif /* EGL_MESA_screen_surface */
#ifdef EGL_MESA_drm_display
{ "eglGetDRMDisplayMESA", (_EGLProc) eglGetDRMDisplayMESA },
#endif
{ "eglCreateImageKHR", (_EGLProc) eglCreateImageKHR },
{ "eglDestroyImageKHR", (_EGLProc) eglDestroyImageKHR },
{ "eglCreateSyncKHR", (_EGLProc) eglCreateSyncKHR },
{ "eglDestroySyncKHR", (_EGLProc) eglDestroySyncKHR },
{ "eglClientWaitSyncKHR", (_EGLProc) eglClientWaitSyncKHR },
{ "eglSignalSyncKHR", (_EGLProc) eglSignalSyncKHR },
{ "eglGetSyncAttribKHR", (_EGLProc) eglGetSyncAttribKHR },
#ifdef EGL_NOK_swap_region
{ "eglSwapBuffersRegionNOK", (_EGLProc) eglSwapBuffersRegionNOK },
#endif
#ifdef EGL_MESA_drm_image
{ "eglCreateDRMImageMESA", (_EGLProc) eglCreateDRMImageMESA },
{ "eglExportDRMImageMESA", (_EGLProc) eglExportDRMImageMESA },
#endif
#ifdef EGL_WL_bind_wayland_display
{ "eglBindWaylandDisplayWL", (_EGLProc) eglBindWaylandDisplayWL },
{ "eglUnbindWaylandDisplayWL", (_EGLProc) eglUnbindWaylandDisplayWL },
{ "eglQueryWaylandBufferWL", (_EGLProc) eglQueryWaylandBufferWL },
#endif
{ "eglPostSubBufferNV", (_EGLProc) eglPostSubBufferNV },
#ifdef EGL_EXT_swap_buffers_with_damage
{ "eglSwapBuffersWithDamageEXT", (_EGLProc) eglSwapBuffersWithDamageEXT },
#endif
{ NULL, NULL }
};
EGLint i;
_EGLProc ret;
 
if (!procname)
RETURN_EGL_SUCCESS(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;
}
}
}
if (!ret)
ret = _eglGetDriverProc(procname);
 
RETURN_EGL_SUCCESS(NULL, ret);
}
 
 
#ifdef EGL_MESA_screen_surface
 
 
/*
* EGL_MESA_screen extension
*/
 
EGLBoolean EGLAPIENTRY
eglChooseModeMESA(EGLDisplay dpy, EGLScreenMESA screen,
const EGLint *attrib_list, EGLModeMESA *modes,
EGLint modes_size, EGLint *num_modes)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLScreen *scrn = _eglLookupScreen(screen, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SCREEN(disp, scrn, EGL_FALSE, drv);
ret = drv->API.ChooseModeMESA(drv, disp, scrn, attrib_list,
modes, modes_size, num_modes);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglGetModesMESA(EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA *modes,
EGLint mode_size, EGLint *num_mode)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLScreen *scrn = _eglLookupScreen(screen, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SCREEN(disp, scrn, EGL_FALSE, drv);
ret = drv->API.GetModesMESA(drv, disp, scrn, modes, mode_size, num_mode);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglGetModeAttribMESA(EGLDisplay dpy, EGLModeMESA mode,
EGLint attribute, EGLint *value)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLMode *m = _eglLookupMode(mode, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_MODE(disp, m, EGL_FALSE, drv);
ret = drv->API.GetModeAttribMESA(drv, disp, m, attribute, value);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglCopyContextMESA(EGLDisplay dpy, EGLContext source, EGLContext dest,
EGLint mask)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLContext *source_context = _eglLookupContext(source, disp);
_EGLContext *dest_context = _eglLookupContext(dest, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_CONTEXT(disp, source_context, EGL_FALSE, drv);
if (!dest_context)
RETURN_EGL_ERROR(disp, EGL_BAD_CONTEXT, EGL_FALSE);
 
ret = drv->API.CopyContextMESA(drv, disp,
source_context, dest_context, mask);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglGetScreensMESA(EGLDisplay dpy, EGLScreenMESA *screens,
EGLint max_screens, EGLint *num_screens)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
ret = drv->API.GetScreensMESA(drv, disp, screens, max_screens, num_screens);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLSurface EGLAPIENTRY
eglCreateScreenSurfaceMESA(EGLDisplay dpy, EGLConfig config,
const EGLint *attrib_list)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLConfig *conf = _eglLookupConfig(config, disp);
_EGLDriver *drv;
_EGLSurface *surf;
EGLSurface ret;
 
_EGL_CHECK_CONFIG(disp, conf, EGL_NO_SURFACE, drv);
 
surf = drv->API.CreateScreenSurfaceMESA(drv, disp, conf, attrib_list);
ret = (surf) ? _eglLinkSurface(surf) : EGL_NO_SURFACE;
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglShowScreenSurfaceMESA(EGLDisplay dpy, EGLint screen,
EGLSurface surface, EGLModeMESA mode)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLScreen *scrn = _eglLookupScreen((EGLScreenMESA) screen, disp);
_EGLSurface *surf = _eglLookupSurface(surface, disp);
_EGLMode *m = _eglLookupMode(mode, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SCREEN(disp, scrn, EGL_FALSE, drv);
if (!surf && surface != EGL_NO_SURFACE)
RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
if (!m && mode != EGL_NO_MODE_MESA)
RETURN_EGL_ERROR(disp, EGL_BAD_MODE_MESA, EGL_FALSE);
 
ret = drv->API.ShowScreenSurfaceMESA(drv, disp, scrn, surf, m);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglScreenPositionMESA(EGLDisplay dpy, EGLScreenMESA screen, EGLint x, EGLint y)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLScreen *scrn = _eglLookupScreen(screen, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SCREEN(disp, scrn, EGL_FALSE, drv);
ret = drv->API.ScreenPositionMESA(drv, disp, scrn, x, y);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglQueryScreenMESA(EGLDisplay dpy, EGLScreenMESA screen,
EGLint attribute, EGLint *value)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLScreen *scrn = _eglLookupScreen(screen, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SCREEN(disp, scrn, EGL_FALSE, drv);
ret = drv->API.QueryScreenMESA(drv, disp, scrn, attribute, value);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglQueryScreenSurfaceMESA(EGLDisplay dpy, EGLScreenMESA screen,
EGLSurface *surface)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLScreen *scrn = _eglLookupScreen((EGLScreenMESA) screen, disp);
_EGLDriver *drv;
_EGLSurface *surf;
EGLBoolean ret;
 
_EGL_CHECK_SCREEN(disp, scrn, EGL_FALSE, drv);
ret = drv->API.QueryScreenSurfaceMESA(drv, disp, scrn, &surf);
if (ret && surface)
*surface = _eglGetSurfaceHandle(surf);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglQueryScreenModeMESA(EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA *mode)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLScreen *scrn = _eglLookupScreen((EGLScreenMESA) screen, disp);
_EGLDriver *drv;
_EGLMode *m;
EGLBoolean ret;
 
_EGL_CHECK_SCREEN(disp, scrn, EGL_FALSE, drv);
ret = drv->API.QueryScreenModeMESA(drv, disp, scrn, &m);
if (ret && mode)
*mode = m->Handle;
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
const char * EGLAPIENTRY
eglQueryModeStringMESA(EGLDisplay dpy, EGLModeMESA mode)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLMode *m = _eglLookupMode(mode, disp);
_EGLDriver *drv;
const char *ret;
 
_EGL_CHECK_MODE(disp, m, NULL, drv);
ret = drv->API.QueryModeStringMESA(drv, disp, m);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
#endif /* EGL_MESA_screen_surface */
 
 
#ifdef EGL_MESA_drm_display
 
EGLDisplay EGLAPIENTRY
eglGetDRMDisplayMESA(int fd)
{
_EGLDisplay *dpy = _eglFindDisplay(_EGL_PLATFORM_DRM, (void *) (intptr_t) fd);
return _eglGetDisplayHandle(dpy);
}
 
#endif /* EGL_MESA_drm_display */
 
/**
** EGL 1.2
**/
 
/**
* Specify the client API to use for subsequent calls including:
* eglCreateContext()
* eglGetCurrentContext()
* eglGetCurrentDisplay()
* eglGetCurrentSurface()
* eglMakeCurrent(when the ctx parameter is EGL NO CONTEXT)
* eglWaitClient()
* eglWaitNative()
* See section 3.7 "Rendering Context" in the EGL specification for details.
*/
EGLBoolean EGLAPIENTRY
eglBindAPI(EGLenum api)
{
_EGLThreadInfo *t = _eglGetCurrentThread();
 
if (_eglIsCurrentThreadDummy())
RETURN_EGL_ERROR(NULL, EGL_BAD_ALLOC, EGL_FALSE);
 
if (!_eglIsApiValid(api))
RETURN_EGL_ERROR(NULL, EGL_BAD_PARAMETER, EGL_FALSE);
 
t->CurrentAPIIndex = _eglConvertApiToIndex(api);
 
RETURN_EGL_SUCCESS(NULL, EGL_TRUE);
}
 
 
/**
* Return the last value set with eglBindAPI().
*/
EGLenum EGLAPIENTRY
eglQueryAPI(void)
{
_EGLThreadInfo *t = _eglGetCurrentThread();
EGLenum ret;
 
/* returns one of EGL_OPENGL_API, EGL_OPENGL_ES_API or EGL_OPENVG_API */
ret = _eglConvertApiFromIndex(t->CurrentAPIIndex);
 
RETURN_EGL_SUCCESS(NULL, ret);
}
 
 
EGLSurface EGLAPIENTRY
eglCreatePbufferFromClientBuffer(EGLDisplay dpy, EGLenum buftype,
EGLClientBuffer buffer, EGLConfig config,
const EGLint *attrib_list)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLConfig *conf = _eglLookupConfig(config, disp);
_EGLDriver *drv;
_EGLSurface *surf;
EGLSurface ret;
 
_EGL_CHECK_CONFIG(disp, conf, EGL_NO_SURFACE, drv);
 
surf = drv->API.CreatePbufferFromClientBuffer(drv, disp, buftype, buffer,
conf, attrib_list);
ret = (surf) ? _eglLinkSurface(surf) : EGL_NO_SURFACE;
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglReleaseThread(void)
{
/* unbind current contexts */
if (!_eglIsCurrentThreadDummy()) {
_EGLThreadInfo *t = _eglGetCurrentThread();
EGLint api_index = t->CurrentAPIIndex;
EGLint i;
 
for (i = 0; i < _EGL_API_NUM_APIS; i++) {
_EGLContext *ctx = t->CurrentContexts[i];
if (ctx) {
_EGLDisplay *disp = ctx->Resource.Display;
_EGLDriver *drv;
 
t->CurrentAPIIndex = i;
 
_eglLockMutex(&disp->Mutex);
drv = disp->Driver;
(void) drv->API.MakeCurrent(drv, disp, NULL, NULL, NULL);
_eglUnlockMutex(&disp->Mutex);
}
}
 
t->CurrentAPIIndex = api_index;
}
 
_eglDestroyCurrentThread();
 
RETURN_EGL_SUCCESS(NULL, EGL_TRUE);
}
 
 
EGLImageKHR EGLAPIENTRY
eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target,
EGLClientBuffer buffer, const EGLint *attr_list)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLContext *context = _eglLookupContext(ctx, disp);
_EGLDriver *drv;
_EGLImage *img;
EGLImageKHR ret;
 
_EGL_CHECK_DISPLAY(disp, EGL_NO_IMAGE_KHR, drv);
if (!disp->Extensions.KHR_image_base)
RETURN_EGL_EVAL(disp, EGL_NO_IMAGE_KHR);
if (!context && ctx != EGL_NO_CONTEXT)
RETURN_EGL_ERROR(disp, EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR);
 
img = drv->API.CreateImageKHR(drv,
disp, context, target, buffer, attr_list);
ret = (img) ? _eglLinkImage(img) : EGL_NO_IMAGE_KHR;
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR image)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLImage *img = _eglLookupImage(image, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
if (!disp->Extensions.KHR_image_base)
RETURN_EGL_EVAL(disp, EGL_FALSE);
if (!img)
RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
_eglUnlinkImage(img);
ret = drv->API.DestroyImageKHR(drv, disp, img);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLSyncKHR EGLAPIENTRY
eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLDriver *drv;
_EGLSync *sync;
EGLSyncKHR ret;
 
_EGL_CHECK_DISPLAY(disp, EGL_NO_SYNC_KHR, drv);
if (!disp->Extensions.KHR_reusable_sync)
RETURN_EGL_EVAL(disp, EGL_NO_SYNC_KHR);
 
sync = drv->API.CreateSyncKHR(drv, disp, type, attrib_list);
ret = (sync) ? _eglLinkSync(sync) : EGL_NO_SYNC_KHR;
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSync *s = _eglLookupSync(sync, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SYNC(disp, s, EGL_FALSE, drv);
assert(disp->Extensions.KHR_reusable_sync);
 
_eglUnlinkSync(s);
ret = drv->API.DestroySyncKHR(drv, disp, s);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLint EGLAPIENTRY
eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSync *s = _eglLookupSync(sync, disp);
_EGLDriver *drv;
EGLint ret;
 
_EGL_CHECK_SYNC(disp, s, EGL_FALSE, drv);
assert(disp->Extensions.KHR_reusable_sync);
ret = drv->API.ClientWaitSyncKHR(drv, disp, s, flags, timeout);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglSignalSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSync *s = _eglLookupSync(sync, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SYNC(disp, s, EGL_FALSE, drv);
assert(disp->Extensions.KHR_reusable_sync);
ret = drv->API.SignalSyncKHR(drv, disp, s, mode);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
EGLBoolean EGLAPIENTRY
eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSync *s = _eglLookupSync(sync, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SYNC(disp, s, EGL_FALSE, drv);
assert(disp->Extensions.KHR_reusable_sync);
ret = drv->API.GetSyncAttribKHR(drv, disp, s, attribute, value);
 
RETURN_EGL_EVAL(disp, ret);
}
 
 
#ifdef EGL_NOK_swap_region
 
EGLBoolean EGLAPIENTRY
eglSwapBuffersRegionNOK(EGLDisplay dpy, EGLSurface surface,
EGLint numRects, const EGLint *rects)
{
_EGLContext *ctx = _eglGetCurrentContext();
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSurface *surf = _eglLookupSurface(surface, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
 
if (!disp->Extensions.NOK_swap_region)
RETURN_EGL_EVAL(disp, EGL_FALSE);
 
/* surface must be bound to current context in EGL 1.4 */
if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
surf != ctx->DrawSurface)
RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
 
ret = drv->API.SwapBuffersRegionNOK(drv, disp, surf, numRects, rects);
 
RETURN_EGL_EVAL(disp, ret);
}
 
#endif /* EGL_NOK_swap_region */
 
 
#ifdef EGL_MESA_drm_image
 
EGLImageKHR EGLAPIENTRY
eglCreateDRMImageMESA(EGLDisplay dpy, const EGLint *attr_list)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLDriver *drv;
_EGLImage *img;
EGLImageKHR ret;
 
_EGL_CHECK_DISPLAY(disp, EGL_NO_IMAGE_KHR, drv);
if (!disp->Extensions.MESA_drm_image)
RETURN_EGL_EVAL(disp, EGL_NO_IMAGE_KHR);
 
img = drv->API.CreateDRMImageMESA(drv, disp, attr_list);
ret = (img) ? _eglLinkImage(img) : EGL_NO_IMAGE_KHR;
 
RETURN_EGL_EVAL(disp, ret);
}
 
EGLBoolean EGLAPIENTRY
eglExportDRMImageMESA(EGLDisplay dpy, EGLImageKHR image,
EGLint *name, EGLint *handle, EGLint *stride)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLImage *img = _eglLookupImage(image, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
assert(disp->Extensions.MESA_drm_image);
 
if (!img)
RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
ret = drv->API.ExportDRMImageMESA(drv, disp, img, name, handle, stride);
 
RETURN_EGL_EVAL(disp, ret);
}
 
#endif
 
#ifdef EGL_WL_bind_wayland_display
struct wl_display;
 
EGLBoolean EGLAPIENTRY
eglBindWaylandDisplayWL(EGLDisplay dpy, struct wl_display *display)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
assert(disp->Extensions.WL_bind_wayland_display);
 
if (!display)
RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
ret = drv->API.BindWaylandDisplayWL(drv, disp, display);
 
RETURN_EGL_EVAL(disp, ret);
}
 
EGLBoolean EGLAPIENTRY
eglUnbindWaylandDisplayWL(EGLDisplay dpy, struct wl_display *display)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
assert(disp->Extensions.WL_bind_wayland_display);
 
if (!display)
RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
ret = drv->API.UnbindWaylandDisplayWL(drv, disp, display);
 
RETURN_EGL_EVAL(disp, ret);
}
 
EGLBoolean EGLAPIENTRY
eglQueryWaylandBufferWL(EGLDisplay dpy,struct wl_buffer *buffer,
EGLint attribute, EGLint *value)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
assert(disp->Extensions.WL_bind_wayland_display);
 
if (!buffer)
RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
ret = drv->API.QueryWaylandBufferWL(drv, disp, buffer, attribute, value);
 
RETURN_EGL_EVAL(disp, ret);
}
#endif
 
 
EGLBoolean EGLAPIENTRY
eglPostSubBufferNV(EGLDisplay dpy, EGLSurface surface,
EGLint x, EGLint y, EGLint width, EGLint height)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSurface *surf = _eglLookupSurface(surface, disp);
_EGLDriver *drv;
EGLBoolean ret;
 
_EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
 
if (!disp->Extensions.NV_post_sub_buffer)
RETURN_EGL_EVAL(disp, EGL_FALSE);
 
ret = drv->API.PostSubBufferNV(drv, disp, surf, x, y, width, height);
 
RETURN_EGL_EVAL(disp, ret);
}
 
int atexit(void (*func)(void))
{
return 0;
};