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// Copyright 2012 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "xegl_platform.h"
#include <dlfcn.h>
#include <stdlib.h>
#include <waffle/native.h>
#include <waffle/waffle_enum.h>
#include <waffle/core/wcore_error.h>
#include "xegl_config.h"
#include "xegl_context.h"
#include "xegl_display.h"
#include "xegl_gl_misc.h"
#include "xegl_priv_egl.h"
#include "xegl_priv_types.h"
#include "xegl_window.h"
static const struct native_dispatch xegl_dispatch = {
.display_connect = xegl_display_connect,
.display_disconnect = xegl_display_disconnect,
.config_choose = xegl_config_choose,
.config_destroy = xegl_config_destroy,
.context_create = xegl_context_create,
.context_destroy = xegl_context_destroy,
.window_create = xegl_window_create,
.window_destroy = xegl_window_destroy,
.window_swap_buffers = xegl_window_swap_buffers,
.make_current = xegl_make_current,
.get_proc_address = xegl_get_proc_address,
.dlsym_gl = xegl_dlsym_gl,
};
union native_platform*
xegl_platform_create(
int gl_api,
const struct native_dispatch **dispatch)
{
bool ok = true;
union native_platform *self;
NATIVE_ALLOC(self, xegl);
if (!self) {
wcore_error(WAFFLE_OUT_OF_MEMORY);
return NULL;
}
self->xegl->gl_api = gl_api;
switch (gl_api) {
case WAFFLE_OPENGL: self->xegl->libgl_name = "libGL.so"; break;
case WAFFLE_OPENGL_ES1: self->xegl->libgl_name = "libGLESv1_CM.so"; break;
case WAFFLE_OPENGL_ES2: self->xegl->libgl_name = "libGLESv2.so"; break;
default:
wcore_error_internal("gl_api has bad value 0x%x", gl_api);
goto error;
}
ok &= egl_bind_api(gl_api);
if (!ok)
goto error;
self->xegl->libgl = dlopen(self->xegl->libgl_name, RTLD_LAZY);
if (!self->xegl->libgl) {
wcore_errorf(WAFFLE_UNKNOWN_ERROR,
"dlopen(\"%s\") failed", self->xegl->libgl_name);
goto error;
}
*dispatch = &xegl_dispatch;
return self;
error:
WCORE_ERROR_DISABLED({
xegl_platform_destroy(self);
});
return NULL;
}
bool
xegl_platform_destroy(union native_platform *self)
{
int error = 0;
if (!self)
return true;
if (self->xegl->libgl) {
error |= dlclose(self->xegl->libgl);
if (error) {
wcore_errorf(WAFFLE_UNKNOWN_ERROR, "dlclose() failed on \"%s\"",
self->xegl->libgl_name);
}
}
free(self);
return !error;
}
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