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GS:MTL: GPU ROV feature detection

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This commit is contained in:
TellowKrinkle
2026-07-08 14:08:29 +02:00
committed by lightningterror
parent ff1b47942c
commit 1a13f9707b
3 changed files with 26 additions and 0 deletions
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pcsx2/GS/Renderers/Metal/GSDeviceMTL.mm
+14
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@@ -1295,6 +1295,19 @@ bool GSDeviceMTL::UpdateWindow()
bool GSDeviceMTL::SupportsExclusiveFullscreen() const { return false; }
static const char* GetROVString(const GSMTLDevice::Features& features)
{
if (!features.rov)
return "Unsupported";
if (features.rov_requires_r32 && features.rov_requires_rt)
return "With R32 Reinterpret and RT Texture";
if (features.rov_requires_r32)
return "With R32 Reinterpret";
if (features.rov_requires_rt)
return "With RT Texture";
return "Supported";
}
std::string GSDeviceMTL::GetDriverInfo() const
{ @autoreleasepool {
std::string desc([[m_dev.dev description] UTF8String]);
@@ -1304,6 +1317,7 @@ std::string GSDeviceMTL::GetDriverInfo() const
desc += "\n Memoryless Textures: " + std::string(m_dev.features.memoryless_textures ? "Supported" : "Unsupported");
desc += "\n Primitive ID: " + std::string(m_dev.features.primid ? "Supported" : "Unsupported");
desc += "\n Depth Feedback: " + std::string(m_dev.features.depth_feedback ? "Supported" : "Unsupported");
desc += "\n ROV: " + std::string(GetROVString(m_dev.features));
desc += "\n Shader Version: " + std::string(to_string(m_dev.features.shader_version));
desc += "\n Max Texture Size: " + std::to_string(m_dev.features.max_texsize);
return desc;
pcsx2/GS/Renderers/Metal/GSMTLDeviceInfo.h
+3
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@@ -34,6 +34,9 @@ struct GSMTLDevice
bool has_fast_half : 1;
bool memoryless_textures : 1;
bool depth_feedback : 1;
bool rov : 1;
bool rov_requires_rt : 1;
bool rov_requires_r32 : 1;
MetalVersion shader_version;
int max_texsize;
};
pcsx2/GS/Renderers/Metal/GSMTLDeviceInfo.mm
+9
View File
@@ -166,6 +166,9 @@ GSMTLDevice::GSMTLDevice(MRCOwned<id<MTLDevice>> dev)
features.depth_feedback = false;
features.rov = [dev areRasterOrderGroupsSupported];
features.rov_requires_r32 = [dev readWriteTextureSupport] < MTLReadWriteTextureTier2;
NSString* name = [dev name];
if ([name containsString:@"Intel"])
{
@@ -193,6 +196,9 @@ GSMTLDevice::GSMTLDevice(MRCOwned<id<MTLDevice>> dev)
if (@available(macOS 13, iOS 16, *))
if ([dev supportsFamily:MTLGPUFamilyMetal3])
features.depth_feedback = true;
// ROV doesn't work on AMD GPUs with no render target
// Ideally the driver would insert a dummy texture for us (it does on Linux) but the Metal driver doesn't.
features.rov_requires_rt = true;
}
else if ([name containsString:@"NVIDIA"])
{
@@ -219,6 +225,9 @@ GSMTLDevice::GSMTLDevice(MRCOwned<id<MTLDevice>> dev)
else
features.slow_color_compression = [[dev name] containsString:@"AMD"] || [[dev name] isEqualToString:@"Intel HD Graphics 4000"];
if (char* env = getenv("MTL_ROV_WITH_RT"))
features.rov_requires_rt = env[0] == '1' || env[0] == 'y' || env[0] == 'Y';
features.max_texsize = GetMaxTextureSize(dev);
this->dev = std::move(dev);