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161 lines
5.3 KiB
161 lines
5.3 KiB
/*
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* Copyright (c) 2016-2017, 2019 The Linux Foundation. All rights reserved.
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* Not a Contribution.
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*
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* Copyright 2015 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 "EGLImageBuffer.h"
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#include <cutils/native_handle.h>
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#include <gralloc_priv.h>
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#include <ui/GraphicBuffer.h>
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#include <map>
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#include "EGLImageWrapper.h"
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#include "glengine.h"
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//-----------------------------------------------------------------------------
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EGLImageKHR create_eglImage(android::sp<android::GraphicBuffer> graphicBuffer)
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//-----------------------------------------------------------------------------
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{
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bool isProtected = (graphicBuffer->getUsage() & GRALLOC_USAGE_PROTECTED);
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EGLint attrs[] = {EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
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isProtected ? EGL_PROTECTED_CONTENT_EXT : EGL_NONE,
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isProtected ? EGL_TRUE : EGL_NONE, EGL_NONE};
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EGLImageKHR eglImage = eglCreateImageKHR(
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eglGetCurrentDisplay(), (EGLContext)EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID,
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(EGLClientBuffer)(graphicBuffer->getNativeBuffer()), attrs);
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return eglImage;
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}
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//-----------------------------------------------------------------------------
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EGLImageBuffer::EGLImageBuffer(android::sp<android::GraphicBuffer> graphicBuffer)
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//-----------------------------------------------------------------------------
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{
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// this->graphicBuffer = graphicBuffer;
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this->eglImageID = create_eglImage(graphicBuffer);
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this->width = graphicBuffer->getWidth();
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this->height = graphicBuffer->getHeight();
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textureID = 0;
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renderbufferID = 0;
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framebufferID = 0;
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}
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//-----------------------------------------------------------------------------
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EGLImageBuffer::~EGLImageBuffer()
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//-----------------------------------------------------------------------------
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{
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if (textureID != 0) {
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GL(glDeleteTextures(1, &textureID));
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textureID = 0;
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}
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if (renderbufferID != 0) {
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GL(glDeleteRenderbuffers(1, &renderbufferID));
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renderbufferID = 0;
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}
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if (framebufferID != 0) {
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GL(glDeleteFramebuffers(1, &framebufferID));
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framebufferID = 0;
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}
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// Delete the eglImage
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if (eglImageID != 0)
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{
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eglDestroyImageKHR(eglGetCurrentDisplay(), eglImageID);
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eglImageID = 0;
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}
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}
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//-----------------------------------------------------------------------------
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int EGLImageBuffer::getWidth()
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//-----------------------------------------------------------------------------
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{
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return width;
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}
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//-----------------------------------------------------------------------------
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int EGLImageBuffer::getHeight()
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//-----------------------------------------------------------------------------
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{
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return height;
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}
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//-----------------------------------------------------------------------------
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unsigned int EGLImageBuffer::getTexture(int target)
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//-----------------------------------------------------------------------------
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{
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if (textureID == 0) {
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bindAsTexture(target);
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}
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return textureID;
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}
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//-----------------------------------------------------------------------------
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unsigned int EGLImageBuffer::getFramebuffer()
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//-----------------------------------------------------------------------------
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{
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if (framebufferID == 0) {
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bindAsFramebuffer();
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}
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return framebufferID;
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}
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//-----------------------------------------------------------------------------
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void EGLImageBuffer::bindAsTexture(int target)
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//-----------------------------------------------------------------------------
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{
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if (textureID == 0) {
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GL(glGenTextures(1, &textureID));
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GL(glBindTexture(target, textureID));
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GL(glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
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GL(glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
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GL(glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
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GL(glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
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GL(glEGLImageTargetTexture2DOES(target, eglImageID));
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}
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GL(glBindTexture(target, textureID));
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}
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//-----------------------------------------------------------------------------
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void EGLImageBuffer::bindAsFramebuffer()
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//-----------------------------------------------------------------------------
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{
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if (renderbufferID == 0) {
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GL(glGenFramebuffers(1, &framebufferID));
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GL(glGenRenderbuffers(1, &renderbufferID));
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GL(glBindRenderbuffer(GL_RENDERBUFFER, renderbufferID));
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GL(glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER, eglImageID));
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GL(glBindFramebuffer(GL_FRAMEBUFFER, framebufferID));
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GL(glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER,
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renderbufferID));
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GLenum result = glCheckFramebufferStatus(GL_FRAMEBUFFER);
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if (result != GL_FRAMEBUFFER_COMPLETE) {
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ALOGI("%s Framebuffer Invalid***************", __FUNCTION__);
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}
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}
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GL(glBindFramebuffer(GL_FRAMEBUFFER, framebufferID));
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}
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