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videoout: implement output support query (#269)

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Co-authored-by: Chris Cheng <chris@appxtream.com>
This commit is contained in:
Chris
2026-07-18 07:44:23 +08:00
committed by GitHub
parent 22bbb4e909
commit b479dc0466
2 changed files with 143 additions and 7 deletions
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src/SharpEmu.Libs/VideoOut/VideoOutExports.cs
+40 -7
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@@ -23,6 +23,7 @@ public static class VideoOutExports
private const int OrbisVideoOutErrorInvalidHandle = unchecked((int)0x8029000B);
private const int OrbisVideoOutErrorInvalidEventQueue = unchecked((int)0x8029000C);
private const int OrbisVideoOutErrorInvalidEvent = unchecked((int)0x8029000D);
private const int OrbisVideoOutErrorUnsupportedOutputMode = unchecked((int)0x80290016);
private const int OrbisVideoOutErrorInvalidOption = unchecked((int)0x8029001A);
private const int SceVideoOutBusTypeMain = 0;
private const int SceVideoOutBufferAttributeOptionNone = 0;
@@ -34,8 +35,11 @@ public static class VideoOutExports
private const int VideoOutBufferAttributeSize = 0x28;
private const int VideoOutBufferAttribute2Size = 0x50;
private const int VideoOutBuffersEntrySize = 0x20;
private const int VideoOutOutputOptionsSize = 0x40;
private const int VideoOutOutputStatusSize = 0x30;
private const int VideoOutVblankStatusSize = 0x28;
private const ulong SceVideoOutOutputModeDefault = 1;
private const ulong SceVideoOutOutputMode119_88Hz = 0xF;
private const ulong SceVideoOutPixelFormatA8R8G8B8Srgb = 0x80000000;
private const ulong SceVideoOutPixelFormatA8B8G8R8Srgb = 0x80002200;
private const ulong SceVideoOutPixelFormatA2R10G10B10 = 0x88060000;
@@ -276,17 +280,46 @@ public static class VideoOutExports
[SysAbiExport(
Nid = "Nv8c-Kb+DUM",
ExportName = "sceVideoOutIsOutputSupported",
Target = Generation.Gen4 | Generation.Gen5,
Target = Generation.Gen5,
LibraryName = "libSceVideoOut")]
public static int VideoOutIsOutputSupported(CpuContext ctx)
{
var busType = unchecked((int)ctx[CpuRegister.Rdi]);
_ = ctx[CpuRegister.Rsi]; // pixelFormat
_ = ctx[CpuRegister.Rdx]; // aspectRatio
var handle = unchecked((int)ctx[CpuRegister.Rdi]);
var mode = ctx[CpuRegister.Rsi];
var optionsAddress = ctx[CpuRegister.Rdx];
var reservedPointer = ctx[CpuRegister.Rcx];
var reserved = ctx[CpuRegister.R8];
// The emulator supports any output configuration on the main bus.
// Return 1 (supported) for SceVideoOutBusTypeMain, 0 otherwise.
return busType == SceVideoOutBusTypeMain ? 1 : 0;
if (!TryGetPort(handle, out var port))
{
return OrbisVideoOutErrorInvalidHandle;
}
if (reservedPointer != 0 || reserved != 0)
{
return OrbisVideoOutErrorInvalidValue;
}
if (optionsAddress != 0)
{
Span<byte> options = stackalloc byte[VideoOutOutputOptionsSize];
if (!ctx.Memory.TryRead(optionsAddress, options))
{
return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
}
if (options.ContainsAnyExcept((byte)0))
{
return OrbisVideoOutErrorInvalidOption;
}
}
if (mode != SceVideoOutOutputModeDefault && mode != SceVideoOutOutputMode119_88Hz)
{
return OrbisVideoOutErrorUnsupportedOutputMode;
}
return mode == SceVideoOutOutputModeDefault || port.RefreshRate >= 119 ? 1 : 0;
}
[SysAbiExport(