Metal: Skip redundant clamp of stencil ref value

Bug: angleproject:2634 Change-Id: I36b2303366f67dc7d35489dc44c495db4ab530c3 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2483844 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Le Hoang Quyen <le.hoang.q@gmail.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>

Metal: Skip redundant clamp of stencil ref value
3d6df964 · Alexey Knyazev · Commit Bot · ba12a1d3 · 3d6df964
Commit 3d6df964 authored Oct 19, 2020 by Alexey Knyazev Committed by Commit Bot Oct 20, 2020
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ContextMtl.mm src/libANGLE/renderer/metal/ContextMtl.mm +2 -4

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--- a/src/libANGLE/renderer/metal/ContextMtl.mm
+++ b/src/libANGLE/renderer/metal/ContextMtl.mm
@@ -733,15 +733,13 @@ angle::Result ContextMtl::syncState(const gl::Context *context,
                break;
            case gl::State::DIRTY_BIT_STENCIL_FUNCS_FRONT:
                mDepthStencilDesc.updateStencilFrontFuncs(glState.getDepthStencilState());
-                mStencilRefFront =
+                mStencilRefFront = glState.getStencilRef();  // clamped on the frontend
-                    gl::clamp<int, int, int>(glState.getStencilRef(), 0, mtl::kStencilMaskAll);
                mDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_DESC);
                mDirtyBits.set(DIRTY_BIT_STENCIL_REF);
                break;
            case gl::State::DIRTY_BIT_STENCIL_FUNCS_BACK:
                mDepthStencilDesc.updateStencilBackFuncs(glState.getDepthStencilState());
-                mStencilRefBack =
+                mStencilRefBack = glState.getStencilBackRef();  // clamped on the frontend
-                    gl::clamp<int, int, int>(glState.getStencilBackRef(), 0, mtl::kStencilMaskAll);
                mDirtyBits.set(DIRTY_BIT_DEPTH_STENCIL_DESC);
                mDirtyBits.set(DIRTY_BIT_STENCIL_REF);
                break;