1 files changed, 161 insertions, 0 deletions
diff --git a/msm8909/gpu_tonemapper/EGLImageBuffer.cpp b/msm8909/gpu_tonemapper/EGLImageBuffer.cpp
new file mode 100644
index 00000000..eeb02733
--- /dev/null
+++ b/msm8909/gpu_tonemapper/EGLImageBuffer.cpp
@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
+ * Not a Contribution.
+ *
+ * Copyright 2015 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 "EGLImageBuffer.h"
+#include <cutils/native_handle.h>
+#include <gralloc_priv.h>
+#include <ui/GraphicBuffer.h>
+#include <map>
+#include "EGLImageWrapper.h"
+#include "glengine.h"
+
+//-----------------------------------------------------------------------------
+EGLImageKHR create_eglImage(android::sp<android::GraphicBuffer> graphicBuffer)
+//-----------------------------------------------------------------------------
+{
+  bool isProtected = (graphicBuffer->getUsage() & GRALLOC_USAGE_PROTECTED);
+  EGLint attrs[] = {EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
+                    isProtected ? EGL_PROTECTED_CONTENT_EXT : EGL_NONE,
+                    isProtected ? EGL_TRUE : EGL_NONE, EGL_NONE};
+
+  EGLImageKHR eglImage = eglCreateImageKHR(
+      eglGetCurrentDisplay(), (EGLContext)EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID,
+      (EGLClientBuffer)(graphicBuffer->getNativeBuffer()), attrs);
+
+  return eglImage;
+}
+
+//-----------------------------------------------------------------------------
+EGLImageBuffer::EGLImageBuffer(android::sp<android::GraphicBuffer> graphicBuffer)
+//-----------------------------------------------------------------------------
+{
+  // this->graphicBuffer = graphicBuffer;
+  this->eglImageID = create_eglImage(graphicBuffer);
+  this->width = graphicBuffer->getWidth();
+  this->height = graphicBuffer->getHeight();
+
+  textureID = 0;
+  renderbufferID = 0;
+  framebufferID = 0;
+}
+
+//-----------------------------------------------------------------------------
+EGLImageBuffer::~EGLImageBuffer()
+//-----------------------------------------------------------------------------
+{
+  if (textureID != 0) {
+    GL(glDeleteTextures(1, &textureID));
+    textureID = 0;
+  }
+
+  if (renderbufferID != 0) {
+    GL(glDeleteRenderbuffers(1, &renderbufferID));
+    renderbufferID = 0;
+  }
+
+  if (framebufferID != 0) {
+    GL(glDeleteFramebuffers(1, &framebufferID));
+    framebufferID = 0;
+  }
+
+  // Delete the eglImage
+  if (eglImageID != 0)
+  {
+      eglDestroyImageKHR(eglGetCurrentDisplay(), eglImageID);
+      eglImageID = 0;
+  }
+}
+
+//-----------------------------------------------------------------------------
+int EGLImageBuffer::getWidth()
+//-----------------------------------------------------------------------------
+{
+  return width;
+}
+
+//-----------------------------------------------------------------------------
+int EGLImageBuffer::getHeight()
+//-----------------------------------------------------------------------------
+{
+  return height;
+}
+
+//-----------------------------------------------------------------------------
+unsigned int EGLImageBuffer::getTexture()
+//-----------------------------------------------------------------------------
+{
+  if (textureID == 0) {
+    bindAsTexture();
+  }
+
+  return textureID;
+}
+
+//-----------------------------------------------------------------------------
+unsigned int EGLImageBuffer::getFramebuffer()
+//-----------------------------------------------------------------------------
+{
+  if (framebufferID == 0) {
+    bindAsFramebuffer();
+  }
+
+  return framebufferID;
+}
+
+//-----------------------------------------------------------------------------
+void EGLImageBuffer::bindAsTexture()
+//-----------------------------------------------------------------------------
+{
+  if (textureID == 0) {
+    GL(glGenTextures(1, &textureID));
+    int target = 0x8D65;
+    GL(glBindTexture(target, textureID));
+    GL(glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
+    GL(glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
+    GL(glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
+    GL(glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
+
+    GL(glEGLImageTargetTexture2DOES(0x8D65, eglImageID));
+  }
+
+  GL(glBindTexture(0x8D65, textureID));
+}
+
+//-----------------------------------------------------------------------------
+void EGLImageBuffer::bindAsFramebuffer()
+//-----------------------------------------------------------------------------
+{
+  if (renderbufferID == 0) {
+    GL(glGenFramebuffers(1, &framebufferID));
+    GL(glGenRenderbuffers(1, &renderbufferID));
+
+    GL(glBindRenderbuffer(GL_RENDERBUFFER, renderbufferID));
+    GL(glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER, eglImageID));
+
+    GL(glBindFramebuffer(GL_FRAMEBUFFER, framebufferID));
+    GL(glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER,
+                                 renderbufferID));
+    GLenum result = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+    if (result != GL_FRAMEBUFFER_COMPLETE) {
+      ALOGI("%s Framebuffer Invalid***************", __FUNCTION__);
+    }
+  }
+
+  GL(glBindFramebuffer(GL_FRAMEBUFFER, framebufferID));
+}