moltenvk: remove DXVK compatibility patches

2 files changed, 0 insertions, 63 deletions

diff --git a/pkgs/os-specific/darwin/moltenvk/default.nix b/pkgs/os-specific/darwin/moltenvk/default.nix
index 68153f2a75f2..e5783a6ed1ae 100644
--- a/pkgs/os-specific/darwin/moltenvk/default.nix
+++ b/pkgs/os-specific/darwin/moltenvk/default.nix
@@ -43,10 +43,6 @@ stdenvNoCC.mkDerivation rec {
   # MoltenVK requires specific versions of its dependencies.
   # Pin them here except for cereal, which is four years old and has several CVEs.
   passthru = {
-    # The patch required to support DXVK may different from version to version. This should never
-    # be used except with DXVK, so there’s no package for it. To emphasize that this patch should
-    # never be used except with DXVK, `dxvk` provides a function for applying this patch.
-    dxvkPatch = ./dxvk-moltenvk-compat.patch;
     glslang = (glslang.overrideAttrs (old: {
       src = fetchFromGitHub {
         owner = "KhronosGroup";
diff --git a/pkgs/os-specific/darwin/moltenvk/dxvk-moltenvk-compat.patch b/pkgs/os-specific/darwin/moltenvk/dxvk-moltenvk-compat.patch
deleted file mode 100644
index 7d16fdf70331..000000000000
--- a/pkgs/os-specific/darwin/moltenvk/dxvk-moltenvk-compat.patch
+++ /dev/null
@@ -1,59 +0,0 @@
-Source: https://github.com/Gcenx/MoltenVK/commit/1f268bd45f6c928784d7cb90dedce382895f10ae
-
-Fake extensions for DXVK;
-- _features.geometryShader
-- _features.tessellationShader
-- _features.shaderCullDistance
-
-Enabled defaults;
-- MVK_ALLOW_METAL_FENCES=1
-- MVK_CONFIG_RESUME_LOST_DEVICE=1
----
- MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm  | 3 +++
- MoltenVK/MoltenVK/Utility/MVKEnvironment.h | 4 ++--
- 2 files changed, 5 insertions(+), 2 deletions(-)
-
-diff --git a/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm b/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
-index bc6d19df..e1959c6e 100644
---- a/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
-+++ b/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
-@@ -1656,6 +1656,8 @@
-     _features.robustBufferAccess = true;  // XXX Required by Vulkan spec
-     _features.fullDrawIndexUint32 = true;
-     _features.independentBlend = true;
-+    _features.geometryShader = true;  // XXX Required by DXVK for D3D10
-+    _features.tessellationShader = true;  // XXX Required by DXVK for D3D11
-     _features.sampleRateShading = true;
-     _features.depthBiasClamp = true;
-     _features.fillModeNonSolid = true;
-@@ -1669,6 +1671,7 @@
-     _features.shaderUniformBufferArrayDynamicIndexing = true;
-     _features.shaderStorageBufferArrayDynamicIndexing = true;
-     _features.shaderClipDistance = true;
-+    _features.shaderCullDistance = true;  // XXX Required by DXVK for 10level9
-     _features.shaderInt16 = true;
-     _features.multiDrawIndirect = true;
-     _features.inheritedQueries = true;
-diff --git a/MoltenVK/MoltenVK/Utility/MVKEnvironment.h b/MoltenVK/MoltenVK/Utility/MVKEnvironment.h
-index 81d0defc..80c414d3 100644
---- a/MoltenVK/MoltenVK/Utility/MVKEnvironment.h
-+++ b/MoltenVK/MoltenVK/Utility/MVKEnvironment.h
-@@ -240,7 +240,7 @@ void mvkSetConfig(const MVKConfiguration& mvkConfig);
- #   define MVK_ALLOW_METAL_EVENTS    1
- #endif
- #ifndef MVK_ALLOW_METAL_FENCES
--#   define MVK_ALLOW_METAL_FENCES    0
-+#   define MVK_ALLOW_METAL_FENCES    1 // XXX Required by DXVK for Apple/NVidia GPUs (better FPS than CPU Emulation)
- #endif
- 
- /** Substitute Metal 2D textures for Vulkan 1D images. Enabled by default. */
-@@ -275,7 +275,7 @@ void mvkSetConfig(const MVKConfiguration& mvkConfig);
- 
- /** Resume MVKDevice VK_ERROR_DEVICE_LOST errors that do not cause MVKPhysicalDevice errors. Disabled by default. */
- #ifndef MVK_CONFIG_RESUME_LOST_DEVICE
--#   define MVK_CONFIG_RESUME_LOST_DEVICE    0
-+#   define MVK_CONFIG_RESUME_LOST_DEVICE    1
- #endif
- 
- /** Support Metal argument buffers. Disabled by default. */
- 
\ No newline at end of file