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GPU: Add option to force 4:3 for 24-bit content (e.g. FMVs)

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This commit is contained in:
Connor McLaughlin
2020-09-26 15:11:45 +10:00
parent cdc9f5c548
commit d73271ec0a
13 changed files with 37 additions and 11 deletions
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11
src/core/gpu.cpp
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@ -29,7 +29,6 @@ bool GPU::Initialize(HostDisplay* host_display)
m_host_display = host_display;
m_force_progressive_scan = g_settings.gpu_disable_interlacing;
m_force_ntsc_timings = g_settings.gpu_force_ntsc_timings;
m_crtc_state.display_aspect_ratio = Settings::GetDisplayAspectRatioValue(g_settings.display_aspect_ratio);
m_crtc_tick_event = TimingEvents::CreateTimingEvent(
"GPU CRTC Tick", 1, 1, std::bind(&GPU::CRTCTickEvent, this, std::placeholders::_1), true);
m_command_tick_event = TimingEvents::CreateTimingEvent(
@ -54,8 +53,6 @@ void GPU::UpdateSettings()
UpdateCRTCConfig();
}
m_crtc_state.display_aspect_ratio = Settings::GetDisplayAspectRatioValue(g_settings.display_aspect_ratio);
// Crop mode calls this, so recalculate the display area
UpdateCRTCDisplayParameters();
}
@ -442,6 +439,14 @@ float GPU::ComputeVerticalFrequency() const
static_cast<double>(ticks_per_frame));
}
float GPU::GetDisplayAspectRatio() const
{
if (g_settings.display_force_4_3_for_24bit && m_GPUSTAT.display_area_color_depth_24)
return 4.0f / 3.0f;
else
return Settings::GetDisplayAspectRatioValue(g_settings.display_aspect_ratio);
}
void GPU::UpdateCRTCConfig()
{
static constexpr std::array<u16, 8> dot_clock_dividers = {{10, 8, 5, 4, 7, 7, 7, 7}};