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/DefineEnum.h"
  11 #include "mozilla/TypedEnumBits.h"
  12
  13 namespace mozilla {
  14 namespace gl {
  15
  16 class GLContext;
  17
  18 enum class GLContextType { Unknown, WGL, CGL, GLX, EGL, EAGL };
  19
  20 enum class OriginPos : uint8_t { TopLeft, BottomLeft };
  21
  22 enum class CreateContextFlags : uint16_t {
  23   NONE = 0,
  24   REQUIRE_COMPAT_PROFILE = 1 << 0,
  25   // Force the use of hardware backed GL, don't allow software implementations.
  26   FORBID_SOFTWARE = 1 << 1,
  27   /* Don't force discrete GPU to be used (if applicable) */
  28   ALLOW_OFFLINE_RENDERER = 1 << 2,
  29   // Ask for ES3 if possible
  30   PREFER_ES3 = 1 << 3,
  31
  32   NO_VALIDATION = 1 << 4,
  33   PREFER_ROBUSTNESS = 1 << 5,
  34   HIGH_POWER = 1 << 6,
  35   PROVOKING_VERTEX_DONT_CARE = 1 << 7,
  36   PREFER_EXACT_VERSION = 1 << 8,
  37   PREFER_MULTITHREADED = 1 << 9,
  38
  39   FORBID_HARDWARE = 1 << 10,
  40 };
  41 MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(CreateContextFlags)
  42
  43 struct GLContextCreateDesc {
  44   CreateContextFlags flags = CreateContextFlags::NONE;
  45 };
  46
  47 struct GLContextDesc final : public GLContextCreateDesc {
  48   bool isOffscreen = false;
  49 };
  50
  51 // -
  52
  53 MOZ_DEFINE_ENUM_CLASS_WITH_BASE(GLVendor, uint8_t,
  54                                 (Intel, NVIDIA, ATI, Qualcomm, Imagination,
  55                                  Nouveau, Vivante, VMware, ARM, Other));
  56
  57 } /* namespace gl */
  58 } /* namespace mozilla */
  59
  60 #endif /* GLCONTEXT_TYPES_H_ */