pcsx2/pcsx2/HostDisplay.cpp

141 lines
3.7 KiB
C++

/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2021 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "PrecompiledHeader.h"
#include "HostDisplay.h"
#include "common/Assertions.h"
#include "common/Console.h"
#include "common/StringUtil.h"
#include <cerrno>
#include <cmath>
#include <cstring>
#include <chrono>
#include <thread>
#include <vector>
HostDisplayTexture::~HostDisplayTexture() = default;
HostDisplay::~HostDisplay() = default;
const char* HostDisplay::RenderAPIToString(RenderAPI api)
{
static const char* names[] = {"None", "D3D11", "Vulkan", "OpenGL", "OpenGLES"};
return (static_cast<u32>(api) >= std::size(names)) ? names[0] : names[static_cast<u32>(api)];
}
bool HostDisplay::UsesLowerLeftOrigin() const
{
const RenderAPI api = GetRenderAPI();
return (api == RenderAPI::OpenGL || api == RenderAPI::OpenGLES);
}
bool HostDisplay::GetHostRefreshRate(float* refresh_rate)
{
if (m_window_info.surface_refresh_rate > 0.0f)
{
*refresh_rate = m_window_info.surface_refresh_rate;
return true;
}
return WindowInfo::QueryRefreshRateForWindow(m_window_info, refresh_rate);
}
bool HostDisplay::ParseFullscreenMode(const std::string_view& mode, u32* width, u32* height, float* refresh_rate)
{
if (!mode.empty())
{
std::string_view::size_type sep1 = mode.find('x');
if (sep1 != std::string_view::npos)
{
std::optional<u32> owidth = StringUtil::FromChars<u32>(mode.substr(0, sep1));
sep1++;
while (sep1 < mode.length() && std::isspace(mode[sep1]))
sep1++;
if (owidth.has_value() && sep1 < mode.length())
{
std::string_view::size_type sep2 = mode.find('@', sep1);
if (sep2 != std::string_view::npos)
{
std::optional<u32> oheight = StringUtil::FromChars<u32>(mode.substr(sep1, sep2 - sep1));
sep2++;
while (sep2 < mode.length() && std::isspace(mode[sep2]))
sep2++;
if (oheight.has_value() && sep2 < mode.length())
{
std::optional<float> orefresh_rate = StringUtil::FromChars<float>(mode.substr(sep2));
if (orefresh_rate.has_value())
{
*width = owidth.value();
*height = oheight.value();
*refresh_rate = orefresh_rate.value();
return true;
}
}
}
}
}
}
*width = 0;
*height = 0;
*refresh_rate = 0;
return false;
}
std::string HostDisplay::GetFullscreenModeString(u32 width, u32 height, float refresh_rate)
{
return StringUtil::StdStringFromFormat("%u x %u @ %f hz", width, height, refresh_rate);
}
#include "Frontend/OpenGLHostDisplay.h"
#ifdef ENABLE_VULKAN
#include "Frontend/VulkanHostDisplay.h"
#endif
#ifdef _WIN32
#include "Frontend/D3D11HostDisplay.h"
#endif
std::unique_ptr<HostDisplay> HostDisplay::CreateDisplayForAPI(RenderAPI api)
{
switch (api)
{
#ifdef _WIN32
case RenderAPI::D3D11:
return std::make_unique<D3D11HostDisplay>();
#endif
case RenderAPI::OpenGL:
case RenderAPI::OpenGLES:
return std::make_unique<OpenGLHostDisplay>();
#ifdef ENABLE_VULKAN
case RenderAPI::Vulkan:
return std::make_unique<VulkanHostDisplay>();
#endif
default:
Console.Error("Unknown render API %u", static_cast<unsigned>(api));
return {};
}
}