Examples with OffscreenSurface com.android.grafika.gles.OffscreenSurface used on opensource projects

Example 1 with OffscreenSurface

use of com.android.grafika.gles.OffscreenSurface in project grafika by google.

the class GlesInfoActivity method gatherGlInfo.

/**
     * Queries EGL/GL for information, then formats it all into one giant string.
     */
private String gatherGlInfo() {
    // We need a GL context to examine, which means we need an EGL surface.  Create a 1x1
    // pbuffer.
    EglCore eglCore = new EglCore(null, EglCore.FLAG_TRY_GLES3);
    OffscreenSurface surface = new OffscreenSurface(eglCore, 1, 1);
    surface.makeCurrent();
    StringBuilder sb = new StringBuilder();
    sb.append("===== GL Information =====");
    sb.append("\nvendor    : ");
    sb.append(GLES20.glGetString(GLES20.GL_VENDOR));
    sb.append("\nversion   : ");
    sb.append(GLES20.glGetString(GLES20.GL_VERSION));
    sb.append("\nrenderer  : ");
    sb.append(GLES20.glGetString(GLES20.GL_RENDERER));
    sb.append("\nextensions:\n");
    sb.append(formatExtensions(GLES20.glGetString(GLES20.GL_EXTENSIONS)));
    sb.append("\n===== EGL Information =====");
    sb.append("\nvendor    : ");
    sb.append(eglCore.queryString(EGL14.EGL_VENDOR));
    sb.append("\nversion   : ");
    sb.append(eglCore.queryString(EGL14.EGL_VERSION));
    sb.append("\nclient API: ");
    sb.append(eglCore.queryString(EGL14.EGL_CLIENT_APIS));
    sb.append("\nextensions:\n");
    sb.append(formatExtensions(eglCore.queryString(EGL14.EGL_EXTENSIONS)));
    surface.release();
    eglCore.release();
    sb.append("\n===== System Information =====");
    sb.append("\nmfgr      : ");
    sb.append(Build.MANUFACTURER);
    sb.append("\nbrand     : ");
    sb.append(Build.BRAND);
    sb.append("\nmodel     : ");
    sb.append(Build.MODEL);
    sb.append("\nrelease   : ");
    sb.append(Build.VERSION.RELEASE);
    sb.append("\nbuild     : ");
    sb.append(Build.DISPLAY);
    sb.append("\n");
    return sb.toString();
}