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Metal: Improve feature detection. (#3697)

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This commit is contained in:
Branimir Karadžić
2026-05-01 21:44:31 -07:00
committed by GitHub
parent 7abefde6bd
commit b7d5c2572c
1 changed files with 8 additions and 9 deletions
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17
src/renderer_mtl.cpp
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@@ -360,7 +360,6 @@ BX_PRAGMA_DIAGNOSTIC_POP();
m_osx = BX_ENABLED(BX_PLATFORM_OSX);
m_apple = _device->supportsFamily(MTL::GPUFamilyApple1);
m_apple3 = _device->supportsFamily(MTL::GPUFamilyApple3);
m_apple6 = _device->supportsFamily(MTL::GPUFamilyApple6);
m_apple7 = _device->supportsFamily(MTL::GPUFamilyApple7);
m_mac2 = _device->supportsFamily(MTL::GPUFamilyMac2);
m_bc = _device->supportsBCTextureCompression();
@@ -487,10 +486,10 @@ BX_PRAGMA_DIAGNOSTIC_POP();
case TextureFormat::R32F:
case TextureFormat::RG32F:
// 32-bit float MSAA requires Mac GPU family.
// 32-bit float MSAA requires Mac2 or Apple7+ GPU family.
supported = true;
framebuffer = true;
multisample = !m_ios;
multisample = m_mac2 || m_apple7;
storage = true;
supports3D = true;
break;
@@ -630,7 +629,6 @@ BX_PRAGMA_DIAGNOSTIC_POP();
bool m_osx;
bool m_apple;
bool m_apple3;
bool m_apple6;
bool m_apple7;
bool m_mac2;
bool m_bc;
@@ -894,7 +892,7 @@ static_assert(BX_COUNTOF(s_accessNames) == Access::Count, "Invalid s_accessNames
m_variableRateShadingSupported = false; //m_device.supportsVariableRasterizationRate();
m_supportsDepthClipMode = BX_ENABLED(BX_PLATFORM_OSX)
m_supportsDepthClipMode = m_device->supportsFamily(MTL::GPUFamilyMac2)
|| m_device->supportsFamily(MTL::GPUFamilyApple4);
g_caps.numGPUs = 1;
@@ -920,7 +918,7 @@ static_assert(BX_COUNTOF(s_accessNames) == Access::Count, "Invalid s_accessNames
| BGFX_CAPS_VERTEX_ID
);
g_caps.supported |= m_device->supportsFamily(MTL::GPUFamilyApple7)
g_caps.supported |= (m_device->supportsFamily(MTL::GPUFamilyApple7) || m_device->supportsFamily(MTL::GPUFamilyMac2) )
? BGFX_CAPS_PRIMITIVE_ID
: 0
;
@@ -928,9 +926,9 @@ static_assert(BX_COUNTOF(s_accessNames) == Access::Count, "Invalid s_accessNames
// Reference(s):
// - Metal feature set tables
// https://web.archive.org/web/20230330111145/https://developer.apple.com/metal/Metal-Feature-Set-Tables.pdf
g_caps.limits.maxTextureSize = m_device->supportsFamily(MTL::GPUFamilyApple3) ? 16384 : 8192;
g_caps.limits.maxTextureSize = (m_device->supportsFamily(MTL::GPUFamilyApple3) || m_device->supportsFamily(MTL::GPUFamilyMac2) ) ? 16384 : 8192;
g_caps.limits.maxFBAttachments = 8;
g_caps.supported |= m_device->supportsFamily(MTL::GPUFamilyCommon2)
g_caps.supported |= (m_device->supportsFamily(MTL::GPUFamilyApple3) || m_device->supportsFamily(MTL::GPUFamilyMac2) )
? BGFX_CAPS_DRAW_INDIRECT
| BGFX_CAPS_TEXTURE_CUBE_ARRAY
| BGFX_CAPS_TEXTURE_COMPARE_ALL
@@ -965,7 +963,8 @@ static_assert(BX_COUNTOF(s_accessNames) == Access::Count, "Invalid s_accessNames
, VISION_OS_MINIMUM *
);
if (BX_ENABLED(BX_PLATFORM_OSX) )
// R8Unorm_sRGB / RG8Unorm_sRGB are unsupported on Mac (non-Apple) GPUs.
if (!m_device->supportsFamily(MTL::GPUFamilyApple1) )
{
s_textureFormat[TextureFormat::R8 ].m_fmtSrgb = MTL::PixelFormatInvalid;
s_textureFormat[TextureFormat::RG8].m_fmtSrgb = MTL::PixelFormatInvalid;