| /* |
| * Copyright 2018 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 "GLSurface.h" |
| |
| #include <log/log.h> |
| #include <ui/PixelFormat.h> |
| #include "GLES20RenderEngine.h" |
| |
| namespace android { |
| namespace renderengine { |
| namespace gl { |
| |
| GLSurface::GLSurface(const GLES20RenderEngine& engine) |
| : mEGLDisplay(engine.getEGLDisplay()), mEGLConfig(engine.getEGLConfig()) { |
| // RE does not assume any config when EGL_KHR_no_config_context is supported |
| if (mEGLConfig == EGL_NO_CONFIG_KHR) { |
| mEGLConfig = GLES20RenderEngine::chooseEglConfig(mEGLDisplay, |
| PIXEL_FORMAT_RGBA_8888, false); |
| } |
| } |
| |
| GLSurface::~GLSurface() { |
| setNativeWindow(nullptr); |
| } |
| |
| void GLSurface::setNativeWindow(ANativeWindow* window) { |
| if (mEGLSurface != EGL_NO_SURFACE) { |
| eglDestroySurface(mEGLDisplay, mEGLSurface); |
| mEGLSurface = EGL_NO_SURFACE; |
| } |
| |
| mWindow = window; |
| if (mWindow) { |
| mEGLSurface = eglCreateWindowSurface(mEGLDisplay, mEGLConfig, mWindow, nullptr); |
| } |
| } |
| |
| void GLSurface::swapBuffers() const { |
| if (!eglSwapBuffers(mEGLDisplay, mEGLSurface)) { |
| EGLint error = eglGetError(); |
| |
| const char format[] = "eglSwapBuffers(%p, %p) failed with 0x%08x"; |
| if (mCritical || error == EGL_CONTEXT_LOST) { |
| LOG_ALWAYS_FATAL(format, mEGLDisplay, mEGLSurface, error); |
| } else { |
| ALOGE(format, mEGLDisplay, mEGLSurface, error); |
| } |
| } |
| } |
| |
| EGLint GLSurface::queryConfig(EGLint attrib) const { |
| EGLint value; |
| if (!eglGetConfigAttrib(mEGLDisplay, mEGLConfig, attrib, &value)) { |
| value = 0; |
| } |
| |
| return value; |
| } |
| |
| EGLint GLSurface::querySurface(EGLint attrib) const { |
| EGLint value; |
| if (!eglQuerySurface(mEGLDisplay, mEGLSurface, attrib, &value)) { |
| value = 0; |
| } |
| |
| return value; |
| } |
| |
| int32_t GLSurface::queryRedSize() const { |
| return queryConfig(EGL_RED_SIZE); |
| } |
| |
| int32_t GLSurface::queryGreenSize() const { |
| return queryConfig(EGL_GREEN_SIZE); |
| } |
| |
| int32_t GLSurface::queryBlueSize() const { |
| return queryConfig(EGL_BLUE_SIZE); |
| } |
| |
| int32_t GLSurface::queryAlphaSize() const { |
| return queryConfig(EGL_ALPHA_SIZE); |
| } |
| |
| int32_t GLSurface::queryWidth() const { |
| return querySurface(EGL_WIDTH); |
| } |
| |
| int32_t GLSurface::queryHeight() const { |
| return querySurface(EGL_HEIGHT); |
| } |
| |
| } // namespace gl |
| } // namespace renderengine |
| } // namespace android |