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Commit 331841b9 authored by Jamie Gennis's avatar Jamie Gennis Committed by Android (Google) Code Review
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EGL: add the native_fence_sync extension 

This change adds support for the EGL_ANDROID_native_fence_sync extension to the
Android EGL layer.  It also fixes a couple minor issues with the extension spec.

Change-Id: Ic8829d21f37b701f33aa9c72c3d25e88e03fa3cd
parent 8893d5bb

opengl/include/EGL/eglext.h

+14 −0
Original line number Original line Diff line number Diff line
@@ -270,6 +270,20 @@ typedef EGLBoolean (EGLAPIENTRYP PFEGLHIBERNATEPROCESSIMGPROC)(void); 
typedef EGLBoolean (EGLAPIENTRYP PFEGLAWAKENPROCESSIMGPROC)(void);

typedef EGLBoolean (EGLAPIENTRYP PFEGLAWAKENPROCESSIMGPROC)(void);

#endif

#endif





/* EGL_ANDROID_native_fence_sync

 */

#ifndef EGL_ANDROID_native_fence_sync

#define EGL_ANDROID_native_fence_sync 1

#define EGL_SYNC_NATIVE_FENCE_ANDROID                 0x3144

#define EGL_SYNC_NATIVE_FENCE_FD_ANDROID              0x3145

#define EGL_NO_NATIVE_FENCE_FD_ANDROID                -1

#define EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID        0x3146

#ifdef EGL_EGLEXT_PROTOTYPES

EGLAPI EGLint EGLAPIENTRY eglDupNativeFenceFDANDROID(EGLDisplay dpy, EGLSyncKHR sync);

#endif

typedef EGLint (EGLAPIENTRYP PFNEGLDUPNATIVEFENCEFDANDROID) (EGLDisplay dpy, EGLSyncKHR sync);

#endif



#ifdef __cplusplus

#ifdef __cplusplus

}

}

#endif

#endif

opengl/libs/EGL/eglApi.cpp

+15 −1
Original line number Original line Diff line number Diff line
@@ -652,6 +652,7 @@ __eglMustCastToProperFunctionPointerType eglGetProcAddress(const char *procname) 
    // These extensions should not be exposed to applications. They're used

    // These extensions should not be exposed to applications. They're used

    // internally by the Android EGL layer.

    // internally by the Android EGL layer.

    if (!strcmp(procname, "eglSetBlobCacheFuncsANDROID") ||

    if (!strcmp(procname, "eglSetBlobCacheFuncsANDROID") ||

        !strcmp(procname, "eglDupNativeFenceFDANDROID") ||

        !strcmp(procname, "eglHibernateProcessIMG") ||

        !strcmp(procname, "eglHibernateProcessIMG") ||

        !strcmp(procname, "eglAwakenProcessIMG")) {

        !strcmp(procname, "eglAwakenProcessIMG")) {

        return NULL;

        return NULL;
@@ -1190,7 +1191,20 @@ EGLBoolean eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, 
// ANDROID extensions

// ANDROID extensions

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

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





/* ANDROID extensions entry-point go here */

EGLint eglDupNativeFenceFDANDROID(EGLDisplay dpy, EGLSyncKHR sync)

{

    clearError();



    const egl_display_ptr dp = validate_display(dpy);

    if (!dp) return EGL_NO_NATIVE_FENCE_FD_ANDROID;



    EGLint result = EGL_NO_NATIVE_FENCE_FD_ANDROID;

    egl_connection_t* const cnx = &gEGLImpl;

    if (cnx->dso && cnx->egl.eglDupNativeFenceFDANDROID) {

        result = cnx->egl.eglDupNativeFenceFDANDROID(dp->disp.dpy, sync);

    }

    return result;

}





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

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

// NVIDIA extensions

// NVIDIA extensions

opengl/libs/EGL/egl_display.cpp

+1 −0
Original line number Original line Diff line number Diff line
@@ -59,6 +59,7 @@ static char const * const sExtensionString = 
// extensions not exposed to applications but used by the ANDROID system

// extensions not exposed to applications but used by the ANDROID system

//      "EGL_ANDROID_recordable "               // mandatory

//      "EGL_ANDROID_recordable "               // mandatory

//      "EGL_ANDROID_blob_cache "               // strongly recommended

//      "EGL_ANDROID_blob_cache "               // strongly recommended

//      "EGL_ANDROID_native_fence_sync "        // strongly recommended

//      "EGL_IMG_hibernate_process "            // optional

//      "EGL_IMG_hibernate_process "            // optional





extern void initEglTraceLevel();

extern void initEglTraceLevel();

opengl/libs/EGL/egl_entries.in

+1 −0
Original line number Original line Diff line number Diff line
@@ -62,6 +62,7 @@ EGL_ENTRY(EGLBoolean, eglGetSyncAttribKHR, EGLDisplay, EGLSyncKHR, EGLint, 




EGL_ENTRY(EGLBoolean, eglSetSwapRectangleANDROID, EGLDisplay, EGLSurface, EGLint, EGLint, EGLint, EGLint)

EGL_ENTRY(EGLBoolean, eglSetSwapRectangleANDROID, EGLDisplay, EGLSurface, EGLint, EGLint, EGLint, EGLint)

EGL_ENTRY(EGLClientBuffer, eglGetRenderBufferANDROID, EGLDisplay, EGLSurface)

EGL_ENTRY(EGLClientBuffer, eglGetRenderBufferANDROID, EGLDisplay, EGLSurface)

EGL_ENTRY(EGLint, eglDupNativeFenceFDANDROID, EGLDisplay, EGLSyncKHR)





/* NVIDIA extensions */

/* NVIDIA extensions */

opengl/specs/EGL_ANDROID_native_fence_sync.txt

+3 −3
Original line number Original line Diff line number Diff line
@@ -74,7 +74,7 @@ New Tokens 
    Accepted by the <attrib_list> parameter of eglCreateSyncKHR, and returned

    Accepted by the <attrib_list> parameter of eglCreateSyncKHR, and returned

    by eglDupNativeFenceFDANDROID in the event of an error:

    by eglDupNativeFenceFDANDROID in the event of an error:





    EGL_NO_NATIVE_FENCE_ANDROID            -1

    EGL_NO_NATIVE_FENCE_FD_ANDROID         -1





    Returned in <value> when eglGetSyncAttribKHR is called with <attribute>

    Returned in <value> when eglGetSyncAttribKHR is called with <attribute>

    EGL_SYNC_CONDITION_KHR:

    EGL_SYNC_CONDITION_KHR:
@@ -90,7 +90,7 @@ Changes to Chapter 3 of the EGL 1.2 Specification (EGL Functions and Errors) 
    object is created. In this case the EGL_SYNC_NATIVE_FENCE_FD_ANDROID

    object is created. In this case the EGL_SYNC_NATIVE_FENCE_FD_ANDROID

    attribute may optionally be specified. If this attribute is specified, it

    attribute may optionally be specified. If this attribute is specified, it

    must be set to either a file descriptor that refers to a native fence

    must be set to either a file descriptor that refers to a native fence

    object or to the value EGL_NO_NATIVE_FENCE_ANDROID.

    object or to the value EGL_NO_NATIVE_FENCE_FD_ANDROID.





    The default values for the EGL native fence sync object attributes are as

    The default values for the EGL native fence sync object attributes are as

    follows:

    follows:
@@ -202,7 +202,7 @@ Changes to Chapter 3 of the EGL 1.2 Specification (EGL Functions and Errors) 
    The command

    The command





        EGLint eglDupNativeFenceFDANDROID(

        EGLint eglDupNativeFenceFDANDROID(

                            EGLdisplay dpy,

                            EGLDisplay dpy,

                            EGLSyncKHR sync);

                            EGLSyncKHR sync);





    duplicates the file descriptor stored in the

    duplicates the file descriptor stored in the