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//
// 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
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