gfx/webrender_bindings/WebRenderTypes.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 "WebRenderTypes.h"
   8
   9 #include "mozilla/ipc/ByteBuf.h"
  10 #include "nsStyleConsts.h"
  11
  12 namespace mozilla {
  13 namespace wr {
  14
  15 WindowId NewWindowId() {
  16   static uint64_t sNextId = 1;
  17
  18   WindowId id;
  19   id.mHandle = sNextId++;
  20   return id;
  21 }
  22
  23 BorderStyle ToBorderStyle(StyleBorderStyle aStyle) {
  24   switch (aStyle) {
  25     case StyleBorderStyle::None:
  26       return wr::BorderStyle::None;
  27     case StyleBorderStyle::Solid:
  28       return wr::BorderStyle::Solid;
  29     case StyleBorderStyle::Double:
  30       return wr::BorderStyle::Double;
  31     case StyleBorderStyle::Dotted:
  32       return wr::BorderStyle::Dotted;
  33     case StyleBorderStyle::Dashed:
  34       return wr::BorderStyle::Dashed;
  35     case StyleBorderStyle::Hidden:
  36       return wr::BorderStyle::Hidden;
  37     case StyleBorderStyle::Groove:
  38       return wr::BorderStyle::Groove;
  39     case StyleBorderStyle::Ridge:
  40       return wr::BorderStyle::Ridge;
  41     case StyleBorderStyle::Inset:
  42       return wr::BorderStyle::Inset;
  43     case StyleBorderStyle::Outset:
  44       return wr::BorderStyle::Outset;
  45   }
  46   return wr::BorderStyle::None;
  47 }
  48
  49 wr::RepeatMode ToRepeatMode(StyleBorderImageRepeat aRepeat) {
  50   switch (aRepeat) {
  51     case StyleBorderImageRepeat::Stretch:
  52       return wr::RepeatMode::Stretch;
  53     case StyleBorderImageRepeat::Repeat:
  54       return wr::RepeatMode::Repeat;
  55     case StyleBorderImageRepeat::Round:
  56       return wr::RepeatMode::Round;
  57     case StyleBorderImageRepeat::Space:
  58       return wr::RepeatMode::Space;
  59     default:
  60       MOZ_ASSERT(false);
  61   }
  62
  63   return wr::RepeatMode::Stretch;
  64 }
  65
  66 ImageRendering ToImageRendering(StyleImageRendering aImageRendering) {
  67   switch (aImageRendering) {
  68     case StyleImageRendering::Auto:
  69     case StyleImageRendering::Smooth:
  70     case StyleImageRendering::Optimizequality:
  71       return wr::ImageRendering::Auto;
  72     case StyleImageRendering::CrispEdges:
  73       // FIXME(bug 1728831): Historically we've returned Pixelated here, but
  74       // this should arguably pass CrispEdges to WebRender?
  75       // return wr::ImageRendering::CrispEdges;
  76       [[fallthrough]];
  77     case StyleImageRendering::Optimizespeed:
  78     case StyleImageRendering::Pixelated:
  79       return wr::ImageRendering::Pixelated;
  80   }
  81   return wr::ImageRendering::Auto;
  82 }
  83
  84 void Assign_WrVecU8(wr::WrVecU8& aVec, mozilla::ipc::ByteBuf&& aOther) {
  85   aVec.data = aOther.mData;
  86   aVec.length = aOther.mLen;
  87   aVec.capacity = aOther.mCapacity;
  88   aOther.mData = nullptr;
  89   aOther.mLen = 0;
  90   aOther.mCapacity = 0;
  91 }
  92
  93 WrSpatialId RootScrollNode() { return wr_root_scroll_node_id(); }
  94
  95 WrSpaceAndClipChain RootScrollNodeWithChain() {
  96   WrSpaceAndClipChain sacc;
  97   sacc.clip_chain = wr::ROOT_CLIP_CHAIN;
  98   sacc.space = wr_root_scroll_node_id();
  99   return sacc;
 100 }
 101
 102 WrSpaceAndClipChain InvalidScrollNodeWithChain() {
 103   WrSpaceAndClipChain sacc;
 104   sacc.clip_chain = std::numeric_limits<uint64_t>::max();
 105   sacc.space = wr_root_scroll_node_id();
 106   return sacc;
 107 }
 108
 109 }  // namespace wr
 110 }  // namespace mozilla