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Commit 4bbb8504 authored by Craig Donner's avatar Craig Donner
Browse files

Setting consumer protected mode on from SurfaceTexture when in a protected context. 

Bug: 22775237
Bug: 22855417

Change-Id: I9608ba08b28b02f3df1cc334fdc22d645831f1f6
parent eb12d194

core/jni/android/graphics/SurfaceTexture.cpp

+31 −0
Original line number Diff line number Diff line
@@ -18,6 +18,8 @@ 


#include <stdio.h>



#include <EGL/egl.h>

#include <EGL/eglext.h>

#include <GLES2/gl2.h>

#include <GLES2/gl2ext.h>
@@ -34,6 +36,8 @@ 


// ----------------------------------------------------------------------------



#define EGL_QCOM_PROTECTED_CONTENT 0x32E0



namespace android {



static const char* const OutOfResourcesException =
@@ -55,6 +59,28 @@ static int32_t createProcessUniqueId() { 
    return android_atomic_inc(&globalCounter);

}



// Check whether the current EGL context is protected.

static bool isProtectedContext() {

    EGLDisplay dpy = eglGetCurrentDisplay();

    EGLContext ctx = eglGetCurrentContext();



    if (dpy == EGL_NO_DISPLAY) {

        ALOGE("isProtectedSurface: invalid current EGLDisplay");

        return false;

    }



    if (ctx == EGL_NO_CONTEXT) {

        ALOGE("isProtectedSurface: invalid current EGLContext");

        return false;

    }



    EGLint isProtected = EGL_FALSE;

    // TODO: Change the enum value below when an extension is ratified.

    eglQueryContext(dpy, ctx, EGL_QCOM_PROTECTED_CONTENT, &isProtected);



    return isProtected;

}



// ----------------------------------------------------------------------------



static void SurfaceTexture_setSurfaceTexture(JNIEnv* env, jobject thiz,
@@ -263,6 +289,11 @@ static void SurfaceTexture_init(JNIEnv* env, jobject thiz, jboolean isDetached, 
            getpid(),

            createProcessUniqueId()));



    // If the current context is protected, inform the producer.

    if (isProtectedContext()) {

        consumer->setConsumerUsageBits(GRALLOC_USAGE_PROTECTED);

    }



    SurfaceTexture_setSurfaceTexture(env, thiz, surfaceTexture);

    SurfaceTexture_setProducer(env, thiz, producer);