commit 607610786f0950f037812b6801e1bf42e830bb76
author Craig Donner <cdonner@google.com> Fri Jan 27 12:30:44 2017 -0800
committer Craig Donner <cdonner@google.com> Thu Feb 16 14:00:14 2017 -0800
tree 4208c102c4dc77bf8127a351c5d9f7d4cd078fc4
parent 0f10dd60609fd490a6ed5651e5e3cc7bb8981eb6

Expose extension for obtaining an EGLClientBuffer from an AHardwareBuffer

Bug: 34050596
Test: deqp test checks for extension
Change-Id: I0da1173688cd27b8dd9e907e535100b9a0605290

opengl/libs/EGL/eglApi.cpp

diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index 2d02b72..2422177 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -27,6 +27,7 @@
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
+#include <android/hardware_buffer.h>
 #include <cutils/atomic.h>
 #include <cutils/compiler.h>
 #include <cutils/memory.h>
@@ -87,6 +88,7 @@
         "EGL_ANDROID_presentation_time "
         "EGL_KHR_swap_buffers_with_damage "
         "EGL_ANDROID_create_native_client_buffer "
+        "EGL_ANDROID_get_native_client_buffer "
         "EGL_ANDROID_front_buffer_auto_refresh "
 #if ENABLE_EGL_ANDROID_GET_FRAME_TIMESTAMPS
         "EGL_ANDROID_get_frame_timestamps "
@@ -182,10 +184,14 @@
     { "eglSwapBuffersWithDamageKHR",
             (__eglMustCastToProperFunctionPointerType)&eglSwapBuffersWithDamageKHR },
 
-    // EGL_ANDROID_native_client_buffer
+    // EGL_ANDROID_create_native_client_buffer
     { "eglCreateNativeClientBufferANDROID",
             (__eglMustCastToProperFunctionPointerType)&eglCreateNativeClientBufferANDROID },
 
+    // EGL_ANDROID_get_native_client_buffer
+    { "eglGetNativeClientBufferANDROID",
+            (__eglMustCastToProperFunctionPointerType)&eglGetNativeClientBufferANDROID },
+
     // EGL_KHR_partial_update
     { "eglSetDamageRegionKHR",
             (__eglMustCastToProperFunctionPointerType)&eglSetDamageRegionKHR },
@@ -1982,6 +1988,17 @@
     return setError(EGL_BAD_ALLOC, (EGLClientBuffer)0);
 }
 
+EGLClientBuffer eglGetNativeClientBufferANDROID(const AHardwareBuffer *buffer) {
+    clearError();
+
+    if (!buffer) return setError(EGL_BAD_PARAMETER, (EGLClientBuffer)0);
+
+    // FIXME: remove this dangerous reinterpret_cast.
+    const GraphicBuffer* graphicBuffer =
+            reinterpret_cast<const GraphicBuffer*>(buffer);
+    return static_cast<EGLClientBuffer>(graphicBuffer->getNativeBuffer());
+}
+
 // ----------------------------------------------------------------------------
 // NVIDIA extensions
 // ----------------------------------------------------------------------------