ada798b7ca
from now on, the system can only have one EGL implementation. this means the software and h/w renderer cannot be used at the same time on a device. Of course, the h/w renderer is always prefered; in its absence we default to the software renderer. Change-Id: Ib579f58055dd0ce4c4a99144131efa11c16ca3d3
103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/*
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** Copyright 2007, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#include <ctype.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <GLES/gl.h>
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#include <GLES/glext.h>
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#include <utils/threads.h>
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#include "egl_object.h"
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// ----------------------------------------------------------------------------
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namespace android {
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// ----------------------------------------------------------------------------
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egl_object_t::egl_object_t(egl_display_t* disp) :
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display(disp), count(1) {
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// NOTE: this does an implicit incRef
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display->addObject(this);
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}
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egl_object_t::~egl_object_t() {
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}
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void egl_object_t::terminate() {
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// this marks the object as "terminated"
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display->removeObject(this);
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if (decRef() == 1) {
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// shouldn't happen because this is called from LocalRef
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ALOGE("egl_object_t::terminate() removed the last reference!");
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}
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}
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void egl_object_t::destroy() {
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if (decRef() == 1) {
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delete this;
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}
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}
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bool egl_object_t::get(egl_display_t const* display, egl_object_t* object) {
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// used by LocalRef, this does an incRef() atomically with
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// checking that the object is valid.
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return display->getObject(object);
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}
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// ----------------------------------------------------------------------------
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egl_context_t::egl_context_t(EGLDisplay dpy, EGLContext context, EGLConfig config,
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egl_connection_t const* cnx, int version) :
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egl_object_t(get_display(dpy)), dpy(dpy), context(context),
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config(config), read(0), draw(0), cnx(cnx),
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version(version)
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{
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}
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void egl_context_t::onLooseCurrent() {
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read = NULL;
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draw = NULL;
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}
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void egl_context_t::onMakeCurrent(EGLSurface draw, EGLSurface read) {
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this->read = read;
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this->draw = draw;
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/*
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* Here we cache the GL_EXTENSIONS string for this context and we
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* add the extensions always handled by the wrapper
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*/
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if (gl_extensions.isEmpty()) {
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// call the implementation's glGetString(GL_EXTENSIONS)
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const char* exts = (const char *)gEGLImpl.hooks[version]->gl.glGetString(GL_EXTENSIONS);
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gl_extensions.setTo(exts);
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if (gl_extensions.find("GL_EXT_debug_marker") < 0) {
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String8 temp("GL_EXT_debug_marker ");
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temp.append(gl_extensions);
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gl_extensions.setTo(temp);
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}
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}
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}
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// ----------------------------------------------------------------------------
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}; // namespace android
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// ----------------------------------------------------------------------------
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