1 files changed, 64 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/compiler/translator/BaseTypes.cpp b/gfx/angle/checkout/src/compiler/translator/BaseTypes.cpp
new file mode 100644
index 0000000000..15a3ebebc8
--- /dev/null
+++ b/gfx/angle/checkout/src/compiler/translator/BaseTypes.cpp
@@ -0,0 +1,64 @@
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "BaseTypes.h"
+
+#include "common/PackedEnums.h"
+
+namespace sh
+{
+namespace
+{
+constexpr gl::BlendEquationBitSet kAdvancedBlendBits{
+    gl::BlendEquationType::Multiply,      gl::BlendEquationType::Screen,
+    gl::BlendEquationType::Overlay,       gl::BlendEquationType::Darken,
+    gl::BlendEquationType::Lighten,       gl::BlendEquationType::Colordodge,
+    gl::BlendEquationType::Colorburn,     gl::BlendEquationType::Hardlight,
+    gl::BlendEquationType::Softlight,     gl::BlendEquationType::Difference,
+    gl::BlendEquationType::Exclusion,     gl::BlendEquationType::HslHue,
+    gl::BlendEquationType::HslSaturation, gl::BlendEquationType::HslColor,
+    gl::BlendEquationType::HslLuminosity,
+};
+
+constexpr gl::BlendEquationBitSet kAdvancedBlendHslBits{
+    gl::BlendEquationType::HslHue,
+    gl::BlendEquationType::HslSaturation,
+    gl::BlendEquationType::HslColor,
+    gl::BlendEquationType::HslLuminosity,
+};
+
+bool IsValidAdvancedBlendBitSet(uint32_t enabledEquations)
+{
+    return (gl::BlendEquationBitSet(enabledEquations) & ~kAdvancedBlendBits).none();
+}
+}  // anonymous namespace
+
+bool AdvancedBlendEquations::any() const
+{
+    ASSERT(IsValidAdvancedBlendBitSet(mEnabledBlendEquations));
+    return mEnabledBlendEquations != 0;
+}
+
+bool AdvancedBlendEquations::anyHsl() const
+{
+    ASSERT(IsValidAdvancedBlendBitSet(mEnabledBlendEquations));
+    return (gl::BlendEquationBitSet(mEnabledBlendEquations) & kAdvancedBlendHslBits).any();
+}
+
+void AdvancedBlendEquations::setAll()
+{
+    ASSERT(IsValidAdvancedBlendBitSet(mEnabledBlendEquations));
+    mEnabledBlendEquations = kAdvancedBlendBits.bits();
+}
+
+void AdvancedBlendEquations::set(uint32_t blendEquation)
+{
+    gl::BlendEquationType eq = static_cast<gl::BlendEquationType>(blendEquation);
+    mEnabledBlendEquations   = gl::BlendEquationBitSet(mEnabledBlendEquations).set(eq).bits();
+    ASSERT(IsValidAdvancedBlendBitSet(mEnabledBlendEquations));
+}
+
+}  // namespace sh