kc3-lang/angle/src/libANGLE/features.h

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• Hash : 11dc1635
  Author :
  Date : 2019-09-18T14:46:23
  

  Add support for generating UWP (Windows Store) projects again
  
  Until late 2017, ANGLE supported  Windows Store apps on Windows 8.1,
  Windows Phone 8.1, and Windows 10 (via the Universal Windows
  Platform, aka UWP).
  
  Unfortunately ANGLE deprecated support for Windows Store when it
  switched from GYP to GN in 2017. Since then, users have been able
  to use Microsoft\angle for their UWP apps but this isn't ideal since
  it's based on a 2017 copy of Google\angle.
  
  This PR bring back support for UWPs, so that UWP users can use
  Google\angle again. Specifically it:
  
  - Adds support for generating UWP projects via GN
  - Adds helper/util functions specific to UWP (they're mostly
  similar to the desktop Windows helpers)
  - Fixes some existing Windows Store code that's rotted since 2017
  - Disables async shader compilation for UWPs, since its
  implementation calls wait on the UI thread (which is forbidden
  in UWPs)
  - Renames 'ANGLE_ENABLE_WINDOWS_STORE' to
  'ANGLE_ENABLE_WINDOWS_UWP', since ANGLE only support UWPs now
  - Fixes misc other related issues (such as dependencies on D3D9
  headers in API-agnostic code)
  
  Note that this doesn't bring back support for Windows/Phone 8.1.
  
  BUG=angleproject:3922
  
  Change-Id: Ia79ae05a5e0e0a0625eb633bf1928722dfd3e85f
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1811871
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/features.h

• //
  // Copyright 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.
  // Note that we can't easily use std::async in UWPs due to UWP threading restrictions.
  #if !defined(ANGLE_STD_ASYNC_WORKERS) && !defined(ANGLE_ENABLE_WINDOWS_UWP)
  #    define ANGLE_STD_ASYNC_WORKERS ANGLE_ENABLED
  #endif  // !defined(ANGLE_STD_ASYNC_WORKERS) && & !defined(ANGLE_ENABLE_WINDOWS_UWP)
  
  #endif  // LIBANGLE_FEATURES_H_
  

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