gfx/layers/LayersTypes.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "LayersTypes.h"
   8
   9 #include <cinttypes>
  10 #include "nsPrintfCString.h"
  11 #include "mozilla/gfx/gfxVars.h"
  12
  13 #ifdef XP_WIN
  14 #  include "gfxConfig.h"
  15 #  include "mozilla/StaticPrefs_gfx.h"
  16 #endif
  17
  18 namespace mozilla {
  19 namespace layers {
  20
  21 const char* kCompositionPayloadTypeNames[kCompositionPayloadTypeCount] = {
  22     "KeyPress",
  23     "APZScroll",
  24     "APZPinchZoom",
  25     "ContentPaint",
  26     "MouseUpFollowedByClick",
  27 };
  28
  29 const char* GetLayersBackendName(LayersBackend aBackend) {
  30   switch (aBackend) {
  31     case LayersBackend::LAYERS_NONE:
  32       return "none";
  33     case LayersBackend::LAYERS_WR:
  34       if (gfx::gfxVars::UseSoftwareWebRender()) {
  35 #ifdef XP_WIN
  36         if (gfx::gfxVars::AllowSoftwareWebRenderD3D11() &&
  37             gfx::gfxConfig::IsEnabled(gfx::Feature::D3D11_COMPOSITING)) {
  38           return "webrender_software_d3d11";
  39         }
  40 #endif
  41         return "webrender_software";
  42       }
  43       return "webrender";
  44     default:
  45       MOZ_ASSERT_UNREACHABLE("unknown layers backend");
  46       return "unknown";
  47   }
  48 }
  49
  50 std::ostream& operator<<(std::ostream& aStream, const LayersId& aId) {
  51   return aStream << nsPrintfCString("0x%" PRIx64, aId.mId).get();
  52 }
  53
  54 /* static */
  55 CompositableHandle CompositableHandle::GetNext() {
  56   static std::atomic<uint64_t> sCounter = 0;
  57   return CompositableHandle{++sCounter};
  58 }
  59
  60 /* static */
  61 RemoteTextureId RemoteTextureId::GetNext() {
  62   static std::atomic<uint64_t> sCounter = 0;
  63   return RemoteTextureId{++sCounter};
  64 }
  65
  66 /* static */
  67 RemoteTextureOwnerId RemoteTextureOwnerId::GetNext() {
  68   static std::atomic<uint64_t> sCounter = 0;
  69   return RemoteTextureOwnerId{++sCounter};
  70 }
  71
  72 /* static */
  73 GpuProcessTextureId GpuProcessTextureId::GetNext() {
  74   if (!XRE_IsGPUProcess()) {
  75     MOZ_ASSERT_UNREACHABLE("unexpected to be called");
  76     return GpuProcessTextureId{};
  77   }
  78
  79   static std::atomic<uint64_t> sCounter = 0;
  80   return GpuProcessTextureId{++sCounter};
  81 }
  82
  83 }  // namespace layers
  84 }  // namespace mozilla