| // Copyright 2021 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This file was automatically generated with: |
| // ../../ui/gfx/x/gen_xproto.py \ |
| // ../../third_party/xcbproto/src \ |
| // gen/ui/gfx/x \ |
| // bigreq \ |
| // composite \ |
| // damage \ |
| // dpms \ |
| // dri2 \ |
| // dri3 \ |
| // ge \ |
| // glx \ |
| // present \ |
| // randr \ |
| // record \ |
| // render \ |
| // res \ |
| // screensaver \ |
| // shape \ |
| // shm \ |
| // sync \ |
| // xc_misc \ |
| // xevie \ |
| // xf86dri \ |
| // xf86vidmode \ |
| // xfixes \ |
| // xinerama \ |
| // xinput \ |
| // xkb \ |
| // xprint \ |
| // xproto \ |
| // xselinux \ |
| // xtest \ |
| // xv \ |
| // xvmc |
| |
| #include "bigreq.h" |
| |
| #include <xcb/xcb.h> |
| #include <xcb/xcbext.h> |
| |
| #include "base/logging.h" |
| #include "base/posix/eintr_wrapper.h" |
| #include "ui/gfx/x/xproto_internal.h" |
| |
| namespace x11 { |
| |
| BigRequests::BigRequests(Connection* connection, |
| const x11::QueryExtensionReply& info) |
| : connection_(connection), info_(info) {} |
| |
| Future<BigRequests::EnableReply> BigRequests::Enable( |
| const BigRequests::EnableRequest& request) { |
| if (!connection_->Ready() || !present()) |
| return {}; |
| |
| WriteBuffer buf; |
| |
| // major_opcode |
| uint8_t major_opcode = info_.major_opcode; |
| buf.Write(&major_opcode); |
| |
| // minor_opcode |
| uint8_t minor_opcode = 0; |
| buf.Write(&minor_opcode); |
| |
| // length |
| // Caller fills in length for writes. |
| Pad(&buf, sizeof(uint16_t)); |
| |
| Align(&buf, 4); |
| |
| return connection_->SendRequest<BigRequests::EnableReply>( |
| &buf, "BigRequests::Enable", false); |
| } |
| |
| Future<BigRequests::EnableReply> BigRequests::Enable() { |
| return BigRequests::Enable(BigRequests::EnableRequest{}); |
| } |
| |
| template <> |
| COMPONENT_EXPORT(X11) |
| std::unique_ptr<BigRequests::EnableReply> detail::ReadReply< |
| BigRequests::EnableReply>(ReadBuffer* buffer) { |
| auto& buf = *buffer; |
| auto reply = std::make_unique<BigRequests::EnableReply>(); |
| |
| auto& sequence = (*reply).sequence; |
| auto& maximum_request_length = (*reply).maximum_request_length; |
| |
| // response_type |
| uint8_t response_type; |
| Read(&response_type, &buf); |
| |
| // pad0 |
| Pad(&buf, 1); |
| |
| // sequence |
| Read(&sequence, &buf); |
| |
| // length |
| uint32_t length; |
| Read(&length, &buf); |
| |
| // maximum_request_length |
| Read(&maximum_request_length, &buf); |
| |
| Align(&buf, 4); |
| DCHECK_EQ(buf.offset < 32 ? 0 : buf.offset - 32, 4 * length); |
| |
| return reply; |
| } |
| |
| } // namespace x11 |