60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_LAYERS_D3D11_BLENDSHADERCONSTANTS_H_
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#define MOZILLA_GFX_LAYERS_D3D11_BLENDSHADERCONSTANTS_H_
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// These constants are shared between CompositorD3D11 and the blend pixel shader.
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#define PS_LAYER_RGB 0
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#define PS_LAYER_RGBA 1
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#define PS_LAYER_YCBCR 2
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#define PS_LAYER_COLOR 3
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// These must be in the same order as the Mask enum.
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#define PS_MASK_NONE 0
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#define PS_MASK 1
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// These must be in the same order as CompositionOp.
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#define PS_BLEND_MULTIPLY 0
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#define PS_BLEND_SCREEN 1
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#define PS_BLEND_OVERLAY 2
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#define PS_BLEND_DARKEN 3
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#define PS_BLEND_LIGHTEN 4
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#define PS_BLEND_COLOR_DODGE 5
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#define PS_BLEND_COLOR_BURN 6
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#define PS_BLEND_HARD_LIGHT 7
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#define PS_BLEND_SOFT_LIGHT 8
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#define PS_BLEND_DIFFERENCE 9
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#define PS_BLEND_EXCLUSION 10
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#define PS_BLEND_HUE 11
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#define PS_BLEND_SATURATION 12
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#define PS_BLEND_COLOR 13
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#define PS_BLEND_LUMINOSITY 14
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#if defined(__cplusplus)
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namespace mozilla {
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namespace layers {
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static inline int
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BlendOpToShaderConstant(gfx::CompositionOp aOp) {
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return int(aOp) - int(gfx::CompositionOp::OP_MULTIPLY);
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}
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} // namespace layers
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} // namespace mozilla
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// Sanity checks.
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namespace {
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static inline void BlendShaderConstantAsserts() {
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static_assert(PS_MASK_NONE == int(mozilla::layers::MaskType::MaskNone), "shader constant is out of sync");
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static_assert(PS_MASK == int(mozilla::layers::MaskType::Mask), "shader constant is out of sync");
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static_assert(int(mozilla::gfx::CompositionOp::OP_LUMINOSITY) - int(mozilla::gfx::CompositionOp::OP_MULTIPLY) == 14,
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"shader constants are out of sync");
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}
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} // anonymous namespace
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#endif
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#endif // MOZILLA_GFX_LAYERS_D3D11_BLENDSHADERCONSTANTS_H_
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