要实现Android CPU-GPU并行化和eglSwapBuffers,可以按照以下步骤进行操作:
EGLDisplay eglDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
int[] version = new int[2];
EGL14.eglInitialize(eglDisplay, version, 0, version, 1);
int[] attribList = {
EGL14.EGL_RED_SIZE, 8,
EGL14.EGL_GREEN_SIZE, 8,
EGL14.EGL_BLUE_SIZE, 8,
EGL14.EGL_ALPHA_SIZE, 8,
EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
EGL14.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfigs = new int[1];
EGL14.eglChooseConfig(eglDisplay, attribList, 0, configs, 0, 1, numConfigs, 0);
EGLConfig config = configs[0];
int[] attribList2 = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
EGL14.EGL_NONE
};
EGLContext eglContext = EGL14.eglCreateContext(eglDisplay, config, EGL14.EGL_NO_CONTEXT, attribList2, 0);
int[] surfaceAttribs = {
EGL14.EGL_NONE
};
EGLSurface eglSurface = EGL14.eglCreateWindowSurface(eglDisplay, config, surface, surfaceAttribs, 0);
EGL14.eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext);
int vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vertexShaderCode);
int fragmentShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fragmentShaderCode);
int program = GLES20.glCreateProgram();
GLES20.glAttachShader(program, vertexShader);
GLES20.glAttachShader(program, fragmentShader);
GLES20.glLinkProgram(program);
while (isRunning) {
// 执行CPU计算
doCPUCalculation();
// 执行GPU计算
GLES20.glUseProgram(program);
doGPUCalculation();
// 刷新显示缓冲区
EGL14.eglSwapBuffers(eglDisplay, eglSurface);
}
EGL14.eglMakeCurrent(eglDisplay, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_CONTEXT);
EGL14.eglDestroySurface(eglDisplay, eglSurface);
EGL14.eglDestroyContext(eglDisplay, eglContext);
EGL14.eglTerminate(eglDisplay);
这只是一个基本的示例,你可以根据你的需求进行更多的定制和优化。注意,上述代码仅提供了一个框架,你需要根据具体的场景来实现doCPUCalculation()
和doGPUCalculation()
方法。