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[Kernel] Added option to use PAL-50 mode

This commit is contained in:
Gliniak 2024-05-20 20:08:52 +02:00
parent c01c06d19b
commit 6ebb522270
1 changed files with 21 additions and 2 deletions
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23
src/xenia/kernel/xboxkrnl/xboxkrnl_video.cc
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@ -42,6 +42,13 @@ DEFINE_int32(internal_display_resolution, 8,
" 16=1920x1080\n",
"Display");
DEFINE_int32(
video_standard, 1,
"Enables switching between different video signals.\n 1=NTSC\n "
"2=NTSC-J\n 3=PAL\n",
"Video");
DEFINE_bool(use_50Hz_mode, false, "Enables usage of PAL-50 mode.", "Video");
// BT.709 on modern monitors and TVs looks the closest to the Xbox 360 connected
// to an HDTV.
DEFINE_uint32(kernel_display_gamma_type, 2,
@ -69,6 +76,18 @@ std::pair<uint16_t, uint16_t> GetInternalDisplayResolution() {
[cvars::internal_display_resolution];
}
inline constexpr static uint32_t GetVideoStandard() {
if (cvars::video_standard < 1 || cvars::video_standard > 3) {
return 1;
}
return cvars::video_standard;
}
inline constexpr static float GetVideoRefreshRate() {
return cvars::use_50Hz_mode ? 50.0f : 60.0f;
}
namespace xe {
namespace kernel {
namespace xboxkrnl {
@ -181,8 +200,8 @@ void VdQueryVideoMode(X_VIDEO_MODE* video_mode) {
video_mode->is_widescreen =
((video_mode->display_width / 4) > (video_mode->display_height / 3));
video_mode->is_hi_def = video_mode->display_width >= 0x400;
video_mode->refresh_rate = 60.0f;
video_mode->video_standard = 1; // NTSC
video_mode->refresh_rate = GetVideoRefreshRate();
video_mode->video_standard = GetVideoStandard();
video_mode->unknown_0x8a = 0x4A;
video_mode->unknown_0x01 = 0x01;
}