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122 lines
4.0 KiB
122 lines
4.0 KiB
/*
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* Copyright (C) 2011 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 "RenderContext.h"
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#include "GLESVersionDetector.h"
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#include "OpenGLESDispatch/EGLDispatch.h"
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#include "OpenGLESDispatch/GLESv1Dispatch.h"
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#include "base/SmallVector.h"
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#include "host-common/feature_control.h"
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#include "host-common/misc.h"
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#include <assert.h>
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#include "ErrorLog.h"
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RenderContext* RenderContext::create(EGLDisplay display,
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EGLConfig config,
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EGLContext sharedContext,
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HandleType hndl,
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GLESApi version) {
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return createImpl(display, config, sharedContext, hndl, version, nullptr);
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}
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RenderContext* RenderContext::createImpl(EGLDisplay display,
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EGLConfig config,
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EGLContext sharedContext,
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HandleType hndl,
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GLESApi version,
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android::base::Stream *stream) {
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GLESApi clientVersion = version;
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int majorVersion = clientVersion;
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int minorVersion = 0;
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if (version == GLESApi_3_0) {
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majorVersion = 3;
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minorVersion = 0;
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} else if (version == GLESApi_3_1) {
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majorVersion = 3;
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minorVersion = 1;
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}
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android::base::SmallFixedVector<EGLint, 7> contextAttribs = {
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EGL_CONTEXT_CLIENT_VERSION, majorVersion,
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EGL_CONTEXT_MINOR_VERSION_KHR, minorVersion,
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};
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if (shouldEnableCoreProfile()) {
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contextAttribs.push_back(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR);
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contextAttribs.push_back(EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR);
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}
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contextAttribs.push_back(EGL_NONE);
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EGLContext context;
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if (stream && s_egl.eglLoadContext) {
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context = s_egl.eglLoadContext(display, &contextAttribs[0], stream);
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} else {
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context = s_egl.eglCreateContext(
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display, config, sharedContext, &contextAttribs[0]);
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}
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if (context == EGL_NO_CONTEXT) {
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fprintf(stderr, "%s: failed to create context (EGL_NO_CONTEXT result)\n", __func__);
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return NULL;
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}
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return new RenderContext(display, context, hndl, clientVersion, NULL);
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}
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RenderContext::RenderContext(EGLDisplay display,
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EGLContext context,
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HandleType hndl,
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GLESApi version,
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void* emulatedGLES1Context) :
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mDisplay(display),
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mContext(context),
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mHndl(hndl),
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mVersion(version),
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mContextData() { }
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RenderContext::~RenderContext() {
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if (mContext != EGL_NO_CONTEXT) {
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s_egl.eglDestroyContext(mDisplay, mContext);
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}
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}
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void RenderContext::onSave(android::base::Stream* stream) {
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stream->putBe32(mHndl);
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stream->putBe32(static_cast<uint32_t>(mVersion));
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assert(s_egl.eglCreateContext);
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if (s_egl.eglSaveContext) {
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s_egl.eglSaveContext(mDisplay, mContext, static_cast<EGLStream>(stream));
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}
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}
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RenderContext *RenderContext::onLoad(android::base::Stream* stream,
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EGLDisplay display) {
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HandleType hndl = static_cast<HandleType>(stream->getBe32());
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GLESApi version = static_cast<GLESApi>(stream->getBe32());
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return createImpl(display, (EGLConfig)0, EGL_NO_CONTEXT, hndl, version,
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stream);
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}
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GLESApi RenderContext::clientVersion() const {
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return mVersion;
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}
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