gfx/gl/GLContextTypes.h

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef GLCONTEXT_TYPES_H_
   7 #define GLCONTEXT_TYPES_H_
   8
   9 #include "GLTypes.h"
  10 #include "mozilla/TypedEnumBits.h"
  11
  12 namespace mozilla {
  13 namespace gl {
  14
  15 class GLContext;
  16
  17 enum class GLContextType { Unknown, WGL, CGL, GLX, EGL, EAGL };
  18
  19 enum class OriginPos : uint8_t { TopLeft, BottomLeft };
  20
  21 enum class CreateContextFlags : uint16_t {
  22   NONE = 0,
  23   REQUIRE_COMPAT_PROFILE = 1 << 0,
  24   // Force the use of hardware backed GL, don't allow software implementations.
  25   FORCE_ENABLE_HARDWARE = 1 << 1,
  26   /* Don't force discrete GPU to be used (if applicable) */
  27   ALLOW_OFFLINE_RENDERER = 1 << 2,
  28   // Ask for ES3 if possible
  29   PREFER_ES3 = 1 << 3,
  30
  31   NO_VALIDATION = 1 << 4,
  32   PREFER_ROBUSTNESS = 1 << 5,
  33   HIGH_POWER = 1 << 6,
  34   PROVOKING_VERTEX_DONT_CARE = 1 << 7,
  35   PREFER_EXACT_VERSION = 1 << 8,
  36   PREFER_MULTITHREADED = 1 << 9,
  37 };
  38 MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(CreateContextFlags)
  39
  40 struct GLContextCreateDesc {
  41   CreateContextFlags flags = CreateContextFlags::NONE;
  42 };
  43
  44 struct GLContextDesc final : public GLContextCreateDesc {
  45   bool isOffscreen = false;
  46 };
  47
  48 } /* namespace gl */
  49 } /* namespace mozilla */
  50
  51 #endif /* GLCONTEXT_TYPES_H_ */