Add GLFW support for GrGLCreateNativeInterface

This file lets us use Skia's GPU backend with GLFW.
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Review URL: https://codereview.chromium.org/1827153003

1 files changed, 27 insertions, 0 deletions

diff --git a/src/gpu/gl/glfw/GrGLCreateNativeInterface_glfw.cpp b/src/gpu/gl/glfw/GrGLCreateNativeInterface_glfw.cpp
new file mode 100644
index 0000000000..e2f6e668cd
--- /dev/null
+++ b/src/gpu/gl/glfw/GrGLCreateNativeInterface_glfw.cpp
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#include "gl/GrGLInterface.h"
+#include "gl/GrGLAssembleInterface.h"
+#include "gl/GrGLUtil.h"
+
+#include <GLFW/glfw3.h>
+
+static GrGLFuncPtr glfw_get(void* ctx, const char name[]) {
+    SkASSERT(nullptr == ctx);
+    SkASSERT(glfwGetCurrentContext());
+    return glfwGetProcAddress(name);
+}
+
+const GrGLInterface* GrGLCreateNativeInterface() {
+    if (nullptr == glfwGetCurrentContext()) {
+        return nullptr;
+    }
+
+    return GrGLAssembleInterface(nullptr, glfw_get);
+}