Move virtual camera service to frameworks/av/services
Bug: 311647154
Bug: 301023410
Test: atest virtual_camera_tests
Test: build & flash & adb shell cmd virtual_camera help
Change-Id: I6d43a2b70f454c9c01ec2abcae9f138cd78c6a85
diff --git a/services/camera/virtualcamera/util/EglDisplayContext.cc b/services/camera/virtualcamera/util/EglDisplayContext.cc
new file mode 100644
index 0000000..6d343a2
--- /dev/null
+++ b/services/camera/virtualcamera/util/EglDisplayContext.cc
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+// #define LOG_NDEBUG 0
+#define LOG_TAG "EglDisplayContext"
+#define EGL_EGLEXT_PROTOTYPES
+#define GL_GLEXT_PROTOTYPES
+
+#include "EglDisplayContext.h"
+
+#include "EGL/egl.h"
+#include "EglDisplayContext.h"
+#include "EglFramebuffer.h"
+#include "log/log.h"
+
+namespace android {
+namespace companion {
+namespace virtualcamera {
+
+EglDisplayContext::EglDisplayContext()
+ : mEglDisplay(EGL_NO_DISPLAY),
+ mEglContext(EGL_NO_CONTEXT),
+ mEglConfig(nullptr) {
+ EGLBoolean result;
+
+ mEglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+ if (mEglDisplay == EGL_NO_DISPLAY) {
+ ALOGE("eglGetDisplay failed: %#x", eglGetError());
+ return;
+ }
+
+ EGLint majorVersion, minorVersion;
+ result = eglInitialize(mEglDisplay, &majorVersion, &minorVersion);
+ if (result != EGL_TRUE) {
+ ALOGE("eglInitialize failed: %#x", eglGetError());
+ return;
+ }
+ ALOGV("Initialized EGL v%d.%d", majorVersion, minorVersion);
+
+ EGLint numConfigs = 0;
+ EGLint configAttribs[] = {
+ EGL_SURFACE_TYPE, EGL_PBUFFER_BIT, EGL_RENDERABLE_TYPE,
+ EGL_OPENGL_ES2_BIT, EGL_RED_SIZE, 8, EGL_GREEN_SIZE, 8, EGL_BLUE_SIZE, 8,
+ // no alpha
+ EGL_NONE};
+
+ result =
+ eglChooseConfig(mEglDisplay, configAttribs, &mEglConfig, 1, &numConfigs);
+ if (result != EGL_TRUE) {
+ ALOGE("eglChooseConfig error: %#x", eglGetError());
+ return;
+ }
+
+ EGLint contextAttribs[] = {EGL_CONTEXT_MAJOR_VERSION_KHR, 3, EGL_NONE};
+ mEglContext =
+ eglCreateContext(mEglDisplay, mEglConfig, EGL_NO_CONTEXT, contextAttribs);
+ if (mEglContext == EGL_NO_CONTEXT) {
+ ALOGE("eglCreateContext error: %#x", eglGetError());
+ return;
+ }
+
+ if (!makeCurrent()) {
+ ALOGE(
+ "Failed to set newly initialized EGLContext and EGLDisplay connection "
+ "as current.");
+ } else {
+ ALOGV("EGL successfully initialized.");
+ }
+}
+
+EglDisplayContext::~EglDisplayContext() {
+ if (mEglDisplay != EGL_NO_DISPLAY) {
+ eglTerminate(mEglDisplay);
+ }
+ if (mEglContext != EGL_NO_CONTEXT) {
+ eglDestroyContext(mEglDisplay, mEglContext);
+ }
+ eglReleaseThread();
+}
+
+EGLDisplay EglDisplayContext::getEglDisplay() const {
+ return mEglDisplay;
+}
+
+bool EglDisplayContext::isInitialized() const {
+ return mEglContext != EGL_NO_CONTEXT && mEglDisplay != EGL_NO_DISPLAY;
+}
+
+bool EglDisplayContext::makeCurrent() {
+ if (!eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, mEglContext)) {
+ ALOGE("eglMakeCurrent failed: %#x", eglGetError());
+ return false;
+ }
+ return true;
+}
+
+} // namespace virtualcamera
+} // namespace companion
+} // namespace android