//
// Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

#ifndef LIBANGLE_FEATURES_H_
#define LIBANGLE_FEATURES_H_

#include "common/platform.h"

#define ANGLE_DISABLED 0
#define ANGLE_ENABLED 1

// Feature defaults

// Direct3D9EX
// The "Debug This Pixel..." feature in PIX often fails when using the
// D3D9Ex interfaces.  In order to get debug pixel to work on a Vista/Win 7
// machine, define "ANGLE_D3D9EX=0" in your project file.
#if !defined(ANGLE_D3D9EX)
#define ANGLE_D3D9EX ANGLE_ENABLED
#endif

// Vsync
// ENABLED allows Vsync to be configured at runtime
// DISABLED disallows Vsync
#if !defined(ANGLE_VSYNC)
#define ANGLE_VSYNC ANGLE_ENABLED
#endif

// Program binary loading
#if !defined(ANGLE_PROGRAM_BINARY_LOAD)
#define ANGLE_PROGRAM_BINARY_LOAD ANGLE_ENABLED
#endif

// Append HLSL assembly to shader debug info. Defaults to enabled in Debug and off in Release.
#if !defined(ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO)
#if !defined(NDEBUG)
#define ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO ANGLE_ENABLED
#else
#define ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO ANGLE_DISABLED
#endif  // !defined(NDEBUG)
#endif  // !defined(ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO)

// Program link validation of precisions for uniforms. This feature was
// requested by developers to allow non-conformant shaders to be used which
// contain mismatched precisions.
// ENABLED validate that precision for uniforms match between vertex and fragment shaders
// DISABLED allow precision for uniforms to differ between vertex and fragment shaders
#if !defined(ANGLE_PROGRAM_LINK_VALIDATE_UNIFORM_PRECISION)
#define ANGLE_PROGRAM_LINK_VALIDATE_UNIFORM_PRECISION ANGLE_ENABLED
#endif

// Controls if our threading code uses std::async or falls back to single-threaded operations.
// TODO(jmadill): Enable on Linux once STL chrono headers are updated.
#if !defined(ANGLE_STD_ASYNC_WORKERS)
#if defined(ANGLE_PLATFORM_WINDOWS)
#define ANGLE_STD_ASYNC_WORKERS ANGLE_ENABLED
#else
#define ANGLE_STD_ASYNC_WORKERS ANGLE_DISABLED
#endif  // defined(ANGLE_PLATFORM_WINDOWS)
#endif  // !defined(ANGLE_STD_ASYNC_WORKERS)

// Force thread safety in all of ANGLE by locking a global mutex in every ANGLE entry point.
#if !defined(ANGLE_FORCE_THREAD_SAFETY)
#define ANGLE_FORCE_THREAD_SAFETY ANGLE_DISABLED
#endif  // !defined(ANGLE_FORCE_THREAD_SAFETY)

#endif  // LIBANGLE_FEATURES_H_
