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/*
** Copyright 2007, The Android Open Source Project
**
** 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 <ctype.h>
#include <stdint.h>
#include <stdlib.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <utils/threads.h>
#include "egl_object.h"
// ----------------------------------------------------------------------------
namespace android {
// ----------------------------------------------------------------------------
egl_object_t::egl_object_t(egl_display_t* disp) :
display(disp), count(1) {
// NOTE: this does an implicit incRef
display->addObject(this);
}
egl_object_t::~egl_object_t() {
}
void egl_object_t::terminate() {
// this marks the object as "terminated"
display->removeObject(this);
if (decRef() == 1) {
// shouldn't happen because this is called from LocalRef
ALOGE("egl_object_t::terminate() removed the last reference!");
}
}
void egl_object_t::destroy() {
if (decRef() == 1) {
delete this;
}
}
bool egl_object_t::get(egl_display_t const* display, egl_object_t* object) {
// used by LocalRef, this does an incRef() atomically with
// checking that the object is valid.
return display->getObject(object);
}
// ----------------------------------------------------------------------------
egl_surface_t::egl_surface_t(egl_display_t* dpy, EGLConfig config,
EGLNativeWindowType win, EGLSurface surface,
egl_connection_t const* cnx) :
egl_object_t(dpy), surface(surface), config(config), win(win), cnx(cnx)
{
if (win) {
getDisplay()->onWindowSurfaceCreated();
}
}
egl_surface_t::~egl_surface_t() {
ANativeWindow* const window = win.get();
if (window != NULL) {
native_window_set_buffers_format(window, 0);
if (native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL)) {
ALOGW("EGLNativeWindowType %p disconnect failed", window);
}
getDisplay()->onWindowSurfaceDestroyed();
}
}
// ----------------------------------------------------------------------------
egl_context_t::egl_context_t(EGLDisplay dpy, EGLContext context, EGLConfig config,
egl_connection_t const* cnx, int version) :
egl_object_t(get_display_nowake(dpy)), dpy(dpy), context(context),
config(config), read(0), draw(0), cnx(cnx), version(version) {
}
void egl_context_t::onLooseCurrent() {
read = NULL;
draw = NULL;
}
void egl_context_t::onMakeCurrent(EGLSurface draw, EGLSurface read) {
this->read = read;
this->draw = draw;
/*
* Here we cache the GL_EXTENSIONS string for this context and we
* add the extensions always handled by the wrapper
*/
if (gl_extensions.isEmpty()) {
// call the implementation's glGetString(GL_EXTENSIONS)
const char* exts = (const char *)gEGLImpl.hooks[version]->gl.glGetString(GL_EXTENSIONS);
gl_extensions.setTo(exts);
if (gl_extensions.find("GL_EXT_debug_marker") < 0) {
String8 temp("GL_EXT_debug_marker ");
temp.append(gl_extensions);
gl_extensions.setTo(temp);
}
// tokenize the supported extensions for the glGetStringi() wrapper
exts = gl_extensions.string();
while (1) {
const char *end = strchr(exts, ' ');
if (end == NULL) {
tokenized_gl_extensions.push(String8(exts));
break;
}
tokenized_gl_extensions.push(String8(exts, end - exts));
exts = end + 1;
}
}
}
// ----------------------------------------------------------------------------
}; // namespace android
// ----------------------------------------------------------------------------
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