The only functional change is the error handling of GSP_GPU::ReadHWRegs function. We previously didn't return error codes (not even for success). The new returns were found by reverse engineering the GSP module.
119 lines
4.5 KiB
C++
119 lines
4.5 KiB
C++
// Copyright 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cstring>
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#include <string>
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#include "common/assert.h"
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#include "common/logging/log.h"
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#include "common/string_util.h"
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#include "core/hle/applets/swkbd.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/shared_memory.h"
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#include "core/hle/result.h"
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#include "core/hle/service/gsp/gsp.h"
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#include "core/hle/service/hid/hid.h"
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#include "core/memory.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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namespace HLE {
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namespace Applets {
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ResultCode SoftwareKeyboard::ReceiveParameter(Service::APT::MessageParameter const& parameter) {
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if (parameter.signal != static_cast<u32>(Service::APT::SignalType::Request)) {
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LOG_ERROR(Service_APT, "unsupported signal %u", parameter.signal);
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UNIMPLEMENTED();
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// TODO(Subv): Find the right error code
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return ResultCode(-1);
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}
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// The LibAppJustStarted message contains a buffer with the size of the framebuffer shared
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// memory.
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// Create the SharedMemory that will hold the framebuffer data
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Service::APT::CaptureBufferInfo capture_info;
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ASSERT(sizeof(capture_info) == parameter.buffer.size());
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memcpy(&capture_info, parameter.buffer.data(), sizeof(capture_info));
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using Kernel::MemoryPermission;
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// Allocate a heap block of the required size for this applet.
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heap_memory = std::make_shared<std::vector<u8>>(capture_info.size);
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// Create a SharedMemory that directly points to this heap block.
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framebuffer_memory = Kernel::SharedMemory::CreateForApplet(
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heap_memory, 0, capture_info.size, MemoryPermission::ReadWrite, MemoryPermission::ReadWrite,
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"SoftwareKeyboard Memory");
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// Send the response message with the newly created SharedMemory
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Service::APT::MessageParameter result;
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result.signal = static_cast<u32>(Service::APT::SignalType::Response);
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result.buffer.clear();
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result.destination_id = static_cast<u32>(Service::APT::AppletId::Application);
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result.sender_id = static_cast<u32>(id);
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result.object = framebuffer_memory;
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Service::APT::SendParameter(result);
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return RESULT_SUCCESS;
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}
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ResultCode SoftwareKeyboard::StartImpl(Service::APT::AppletStartupParameter const& parameter) {
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ASSERT_MSG(parameter.buffer.size() == sizeof(config),
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"The size of the parameter (SoftwareKeyboardConfig) is wrong");
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memcpy(&config, parameter.buffer.data(), parameter.buffer.size());
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text_memory =
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boost::static_pointer_cast<Kernel::SharedMemory, Kernel::Object>(parameter.object);
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// TODO(Subv): Verify if this is the correct behavior
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memset(text_memory->GetPointer(), 0, text_memory->size);
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DrawScreenKeyboard();
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is_running = true;
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return RESULT_SUCCESS;
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}
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void SoftwareKeyboard::Update() {
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// TODO(Subv): Handle input using the touch events from the HID module
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// TODO(Subv): Remove this hardcoded text
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std::u16string text = Common::UTF8ToUTF16("Citra");
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memcpy(text_memory->GetPointer(), text.c_str(), text.length() * sizeof(char16_t));
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// TODO(Subv): Ask for input and write it to the shared memory
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// TODO(Subv): Find out what are the possible values for the return code,
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// some games seem to check for a hardcoded 2
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config.return_code = 2;
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config.text_length = 6;
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config.text_offset = 0;
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// TODO(Subv): We're finalizing the applet immediately after it's started,
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// but we should defer this call until after all the input has been collected.
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Finalize();
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}
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void SoftwareKeyboard::DrawScreenKeyboard() {
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auto bottom_screen = Service::GSP::GetFrameBufferInfo(0, 1);
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auto info = bottom_screen->framebuffer_info[bottom_screen->index];
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// TODO(Subv): Draw the HLE keyboard, for now just zero-fill the framebuffer
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Memory::ZeroBlock(info.address_left, info.stride * 320);
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Service::GSP::SetBufferSwap(1, info);
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}
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void SoftwareKeyboard::Finalize() {
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// Let the application know that we're closing
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Service::APT::MessageParameter message;
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message.buffer.resize(sizeof(SoftwareKeyboardConfig));
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std::memcpy(message.buffer.data(), &config, message.buffer.size());
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message.signal = static_cast<u32>(Service::APT::SignalType::WakeupByExit);
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message.destination_id = static_cast<u32>(Service::APT::AppletId::Application);
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message.sender_id = static_cast<u32>(id);
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Service::APT::SendParameter(message);
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is_running = false;
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}
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}
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} // namespace
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