Import glTextureBarrier

src/gpu/gl/GrGLAssembleInterface.cpp

Index: src/gpu/gl/GrGLAssembleInterface.cpp
diff --git a/src/gpu/gl/GrGLAssembleInterface.cpp b/src/gpu/gl/GrGLAssembleInterface.cpp
index 6a4fbe20e0b214b57f624dd15708a73688afd3ef..b0f0430ffb3e20bca1e0cbbe945fa8556f501499 100644
--- a/src/gpu/gl/GrGLAssembleInterface.cpp
+++ b/src/gpu/gl/GrGLAssembleInterface.cpp
@@ -163,6 +163,11 @@ const GrGLInterface* GrGLAssembleGLInterface(void* ctx, GrGLGetProc get) {
         GET_PROC_SUFFIX(TexStorage2D, EXT);
     }
     GET_PROC(TexSubImage2D);
+    if (glVer >= GR_GL_VER(4,5) || extensions.has("GL_ARB_texture_barrier")) {
+        GET_PROC(TextureBarrier);
+    } else if (extensions.has("GL_NV_texture_barrier")) {
+        GET_PROC_SUFFIX(TextureBarrier, NV);
+    }
     GET_PROC(Uniform1f);
     GET_PROC(Uniform1i);
     GET_PROC(Uniform1fv);
@@ -404,6 +409,10 @@ const GrGLInterface* GrGLAssembleGLESInterface(void* ctx, GrGLGetProc get) {
         GET_PROC_SUFFIX(TexStorage2D, EXT);
     }
 
+    if (extensions.has("GL_NV_texture_barrier")) {
+        GET_PROC_SUFFIX(TextureBarrier, NV);
+    }
+
     GET_PROC_SUFFIX(DiscardFramebuffer, EXT);
     GET_PROC(Uniform1f);
     GET_PROC(Uniform1i);