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HostDisplay: Add stretch option

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This commit is contained in:
Connor McLaughlin
2021-02-27 13:53:03 +10:00
parent f18babb97e
commit e17d37b8bc
10 changed files with 65 additions and 21 deletions
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6
src/core/host_display.cpp
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@ -148,9 +148,11 @@ void HostDisplay::CalculateDrawRect(s32 window_width, s32 window_height, float*
float* out_top_padding, float* out_scale, float* out_x_scale,
bool apply_aspect_ratio /* = true */) const
{
const float window_ratio = static_cast<float>(window_width) / static_cast<float>(window_height);
const float display_aspect_ratio = m_display_stretch ? window_ratio : m_display_aspect_ratio;
const float x_scale =
apply_aspect_ratio ?
(m_display_aspect_ratio / (static_cast<float>(m_display_width) / static_cast<float>(m_display_height))) :
(display_aspect_ratio / (static_cast<float>(m_display_width) / static_cast<float>(m_display_height))) :
1.0f;
const float display_width = static_cast<float>(m_display_width) * x_scale;
const float display_height = static_cast<float>(m_display_height);
@ -162,8 +164,6 @@ void HostDisplay::CalculateDrawRect(s32 window_width, s32 window_height, float*
*out_x_scale = x_scale;
// now fit it within the window
const float window_ratio = static_cast<float>(window_width) / static_cast<float>(window_height);
float scale;
if ((display_width / display_height) >= window_ratio)
{

2
src/core/host_display.h
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@ -196,6 +196,7 @@ public:
void SetDisplayTopMargin(s32 height) { m_display_top_margin = height; }
void SetDisplayIntegerScaling(bool enabled) { m_display_integer_scaling = enabled; }
void SetDisplayAlignment(Alignment alignment) { m_display_alignment = alignment; }
void SetDisplayStretch(bool stretch) { m_display_stretch = stretch; }
/// Sets the software cursor to the specified texture. Ownership of the texture is transferred.
void SetSoftwareCursor(std::unique_ptr<HostDisplayTexture> texture, float scale = 1.0f);
@ -276,4 +277,5 @@ protected:
bool m_display_linear_filtering = false;
bool m_display_changed = false;
bool m_display_integer_scaling = false;
bool m_display_stretch = false;
};

25
src/core/host_interface.cpp
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@ -109,6 +109,7 @@ bool HostInterface::BootSystem(const SystemBootParameters& parameters)
// set host display settings
m_display->SetDisplayLinearFiltering(g_settings.display_linear_filtering);
m_display->SetDisplayIntegerScaling(g_settings.display_integer_scaling);
m_display->SetDisplayStretch(g_settings.display_stretch);
// create the audio stream. this will never fail, since we'll just fall back to null
CreateAudioStream();
@ -545,6 +546,7 @@ void HostInterface::SetDefaultSettings(SettingsInterface& si)
si.SetBoolValue("Display", "Force4_3For24Bit", false);
si.SetBoolValue("Display", "LinearFiltering", true);
si.SetBoolValue("Display", "IntegerScaling", false);
si.SetBoolValue("Display", "Stretch", false);
si.SetBoolValue("Display", "PostProcessing", false);
si.SetBoolValue("Display", "ShowOSDMessages", true);
si.SetBoolValue("Display", "ShowFPS", false);
@ -593,8 +595,7 @@ void HostInterface::SetDefaultSettings(SettingsInterface& si)
si.SetStringValue("MemoryCards", "Card2Path", "memcards" FS_OSPATH_SEPARATOR_STR "shared_card_2.mcd");
si.SetBoolValue("MemoryCards", "UsePlaylistTitle", true);
si.SetStringValue("ControllerPorts", "MultitapMode",
Settings::GetMultitapModeName(Settings::DEFAULT_MULTITAP_MODE));
si.SetStringValue("ControllerPorts", "MultitapMode", Settings::GetMultitapModeName(Settings::DEFAULT_MULTITAP_MODE));
si.SetStringValue("Logging", "LogLevel", Settings::GetLogLevelName(Settings::DEFAULT_LOG_LEVEL));
si.SetStringValue("Logging", "LogFilter", "");
@ -655,6 +656,12 @@ void HostInterface::FixIncompatibleSettings(bool display_osd_messages)
g_settings.display_linear_filtering = false;
}
if (g_settings.display_stretch && g_settings.display_linear_filtering)
{
Log_WarningPrintf("Disabling stretch due to integer upscaling.");
g_settings.display_stretch = false;
}
if (g_settings.gpu_pgxp_enable)
{
if (g_settings.gpu_renderer == GPURenderer::Software)
@ -884,11 +891,17 @@ void HostInterface::CheckForSettingsChanges(const Settings& old_settings)
if (g_settings.multitap_mode != old_settings.multitap_mode)
System::UpdateMultitaps();
if (m_display && g_settings.display_linear_filtering != old_settings.display_linear_filtering)
m_display->SetDisplayLinearFiltering(g_settings.display_linear_filtering);
if (m_display)
{
if (g_settings.display_linear_filtering != old_settings.display_linear_filtering)
m_display->SetDisplayLinearFiltering(g_settings.display_linear_filtering);
if (m_display && g_settings.display_integer_scaling != old_settings.display_integer_scaling)
m_display->SetDisplayIntegerScaling(g_settings.display_integer_scaling);
if (g_settings.display_integer_scaling != old_settings.display_integer_scaling)
m_display->SetDisplayIntegerScaling(g_settings.display_integer_scaling);
if (g_settings.display_stretch != old_settings.display_stretch)
m_display->SetDisplayStretch(g_settings.display_stretch);
}
}
void HostInterface::SetUserDirectoryToProgramDirectory()

2
src/core/settings.cpp
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@ -214,6 +214,7 @@ void Settings::Load(SettingsInterface& si)
display_line_end_offset = static_cast<s8>(si.GetIntValue("Display", "LineEndOffset", 0));
display_linear_filtering = si.GetBoolValue("Display", "LinearFiltering", true);
display_integer_scaling = si.GetBoolValue("Display", "IntegerScaling", false);
display_stretch = si.GetBoolValue("Display", "Stretch", false);
display_post_processing = si.GetBoolValue("Display", "PostProcessing", false);
display_show_osd_messages = si.GetBoolValue("Display", "ShowOSDMessages", true);
display_show_fps = si.GetBoolValue("Display", "ShowFPS", false);
@ -382,6 +383,7 @@ void Settings::Save(SettingsInterface& si) const
si.SetStringValue("Display", "AspectRatio", GetDisplayAspectRatioName(display_aspect_ratio));
si.SetBoolValue("Display", "LinearFiltering", display_linear_filtering);
si.SetBoolValue("Display", "IntegerScaling", display_integer_scaling);
si.SetBoolValue("Display", "Stretch", display_stretch);
si.SetBoolValue("Display", "PostProcessing", display_post_processing);
si.SetBoolValue("Display", "ShowOSDMessages", display_show_osd_messages);
si.SetBoolValue("Display", "ShowFPS", display_show_fps);

1
src/core/settings.h
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@ -134,6 +134,7 @@ struct Settings
bool gpu_24bit_chroma_smoothing = false;
bool display_linear_filtering = true;
bool display_integer_scaling = false;
bool display_stretch = false;
bool display_post_processing = false;
bool display_show_osd_messages = false;
bool display_show_fps = false;