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hal/mtl: disable fragment r/w buffers in fragment shaders on macOS 10.11 (#2102)

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This commit is contained in:
Dzmitry Malyshau
2021-10-21 11:53:57 -04:00
committed by GitHub
parent a59a627f12
commit 003b83f6ac
2 changed files with 7 additions and 2 deletions
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7
wgpu-hal/src/metal/adapter.rs
View File

@@ -582,7 +582,8 @@ impl super::PrivateCapabilities {
} else {
MTLLanguageVersion::V1_0
},
exposed_queues: 1,
// macOS 10.11 doesn't support read-write resources
fragment_rw_storage: !os_is_mac || Self::version_at_least(major, minor, 10, 12),
read_write_texture_tier: if os_is_mac {
if Self::version_at_least(major, minor, 10, 13) {
device.read_write_texture_support()
@@ -903,6 +904,10 @@ impl super::PrivateCapabilities {
pub fn capabilities(&self) -> crate::Capabilities {
let mut downlevel = wgt::DownlevelCapabilities::default();
downlevel.flags.set(
wgt::DownlevelFlags::FRAGMENT_WRITABLE_STORAGE,
self.fragment_rw_storage,
);
downlevel.flags.set(
wgt::DownlevelFlags::CUBE_ARRAY_TEXTURES,
self.texture_cube_array,

2
wgpu-hal/src/metal/mod.rs
View File

@@ -141,7 +141,7 @@ impl crate::Instance<Api> for Instance {
struct PrivateCapabilities {
family_check: bool,
msl_version: mtl::MTLLanguageVersion,
exposed_queues: usize,
fragment_rw_storage: bool,
read_write_texture_tier: mtl::MTLReadWriteTextureTier,
resource_heaps: bool,
argument_buffers: bool,