Added an application framework for demos. Ported hello-triangle example in Op...

gpu/demos/app_framework/gles2_utils.h

+// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Utility OpenGL ES 2.0 functions.
+
+#ifndef GPU_DEMOS_APP_FRAMEWORK_GLES2_UTILS_H_
+#define GPU_DEMOS_APP_FRAMEWORK_GLES2_UTILS_H_
+
+#include <GLES2/gl2.h>
+
+namespace gpu_demos {
+namespace gles2_utils {
+
+// Uploads and compiles shader source. Returns non-zero shader object id.
+// Returns 0 if an error occurs creating or compiling the shader object.
+// All errors are logged.
+extern GLuint LoadShader(GLenum type, const char* shader_src);
+
+// Uploads, compiles, and links shader program. Returns non-zero program id.
+// Returns 0 if an error occurs creating, compiling, or linking the program
+// object. All errors are logged.
+extern GLuint LoadProgram(const char* v_shader_src, const char* f_shader_src);
+
+}  // namespace gles2_utils
+}  // namespace gpu_demos
+#endif  // GPU_DEMOS_APP_FRAMEWORK_GLES2_UTILS_H_