+ return gsurf;
+}
+
+static _EGLSurface *
+egl_g3d_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
+ _EGLConfig *conf, const EGLint *attribs)
+{
+ struct egl_g3d_surface *gsurf;
+
+ gsurf = create_pbuffer_surface(dpy, conf, attribs,
+ "eglCreatePbufferSurface");
+ if (!gsurf)
+ return NULL;
+
+ gsurf->client_buffer_type = EGL_NONE;
+
+ return &gsurf->base;
+}
+
+static _EGLSurface *
+egl_g3d_create_pbuffer_from_client_buffer(_EGLDriver *drv, _EGLDisplay *dpy,
+ EGLenum buftype,
+ EGLClientBuffer buffer,
+ _EGLConfig *conf,
+ const EGLint *attribs)
+{
+ struct egl_g3d_surface *gsurf;
+ struct pipe_resource *ptex = NULL;
+ EGLint pbuffer_attribs[32];
+ EGLint count, i;
+
+ switch (buftype) {
+ case EGL_OPENVG_IMAGE:
+ break;
+ default:
+ _eglError(EGL_BAD_PARAMETER, "eglCreatePbufferFromClientBuffer");
+ return NULL;
+ break;
+ }
+
+ /* parse the attributes first */
+ count = 0;
+ for (i = 0; attribs && attribs[i] != EGL_NONE; i++) {
+ EGLint attr = attribs[i++];
+ EGLint val = attribs[i];
+ EGLint err = EGL_SUCCESS;
+
+ switch (attr) {
+ case EGL_TEXTURE_FORMAT:
+ case EGL_TEXTURE_TARGET:
+ case EGL_MIPMAP_TEXTURE:
+ pbuffer_attribs[count++] = attr;
+ pbuffer_attribs[count++] = val;
+ break;
+ default:
+ err = EGL_BAD_ATTRIBUTE;
+ break;
+ }
+ /* bail out */
+ if (err != EGL_SUCCESS) {
+ _eglError(err, "eglCreatePbufferFromClientBuffer");
+ return NULL;
+ }
+ }
+
+ pbuffer_attribs[count++] = EGL_NONE;
+
+ gsurf = create_pbuffer_surface(dpy, conf, pbuffer_attribs,
+ "eglCreatePbufferFromClientBuffer");
+ if (!gsurf)
+ return NULL;
+
+ gsurf->client_buffer_type = buftype;
+ gsurf->client_buffer = buffer;
+
+ /* validate now so that it fails if the client buffer is invalid */
+ if (!gsurf->stfbi->validate(gsurf->stfbi,
+ &gsurf->stvis.render_buffer, 1, &ptex)) {
+ egl_g3d_destroy_st_framebuffer(gsurf->stfbi);
+ FREE(gsurf);
+ return NULL;
+ }
+ pipe_resource_reference(&ptex, NULL);
+