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

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• Hash : a5822b8a
  Author :
  Date : 2017-06-30T12:55:10
  

  Temporarily disable the GPU program cache.
  
  We should give the app layer more control over the cache before we
  enable it, to save on memory usage in Chrome.
  
  BUG=angleproject:1897
  
  Change-Id: I532c05c3042cb0a2d9c62f362f25d6064042ca2c
  Reviewed-on: https://chromium-review.googlesource.com/558370
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/Constants.h

• //
  // Copyright (c) 2013 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.
  //
  
  // Contants.h: Defines some implementation specific and gl constants
  
  #ifndef LIBANGLE_CONSTANTS_H_
  #define LIBANGLE_CONSTANTS_H_
  
  #include "common/platform.h"
  
  namespace gl
  {
  
  // The size to set for the program cache for default and low-end device cases.
  // Temporarily disabled to prevent double memory use in Chrome.
  // TODO(jmadill): Re-enable once we have memory cache control.
  //#if !defined(ANGLE_PLATFORM_ANDROID)
  // const size_t kDefaultMaxProgramCacheMemoryBytes = 6 * 1024 * 1024;
  //#else
  // const size_t kDefaultMaxProgramCacheMemoryBytes = 2 * 1024 * 1024;
  // const size_t kLowEndMaxProgramCacheMemoryBytes  = 512 * 1024;
  //#endif
  const size_t kDefaultMaxProgramCacheMemoryBytes = 0;
  
  enum
  {
      MAX_VERTEX_ATTRIBS         = 16,
      MAX_VERTEX_ATTRIB_BINDINGS = 16,
  
      // Implementation upper limits, real maximums depend on the hardware
      IMPLEMENTATION_MAX_VARYING_VECTORS = 32,
      IMPLEMENTATION_MAX_DRAW_BUFFERS    = 8,
      IMPLEMENTATION_MAX_FRAMEBUFFER_ATTACHMENTS =
          IMPLEMENTATION_MAX_DRAW_BUFFERS + 2,  // 2 extra for depth and/or stencil buffers
  
      IMPLEMENTATION_MAX_VERTEX_SHADER_UNIFORM_BUFFERS   = 16,
      IMPLEMENTATION_MAX_FRAGMENT_SHADER_UNIFORM_BUFFERS = 16,
      IMPLEMENTATION_MAX_COMBINED_SHADER_UNIFORM_BUFFERS =
          IMPLEMENTATION_MAX_VERTEX_SHADER_UNIFORM_BUFFERS +
          IMPLEMENTATION_MAX_FRAGMENT_SHADER_UNIFORM_BUFFERS,
  
      IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_BUFFERS = 4,
  
      // These are the maximums the implementation can support
      // The actual GL caps are limited by the device caps
      // and should be queried from the Context
      IMPLEMENTATION_MAX_2D_TEXTURE_SIZE         = 16384,
      IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE   = 16384,
      IMPLEMENTATION_MAX_3D_TEXTURE_SIZE         = 2048,
      IMPLEMENTATION_MAX_2D_ARRAY_TEXTURE_LAYERS = 2048,
  
      IMPLEMENTATION_MAX_TEXTURE_LEVELS = 15  // 1+log2 of MAX_TEXTURE_SIZE
  };
  }
  
  #endif // LIBANGLE_CONSTANTS_H_
  

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