From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- gfx/layers/d3d11/mlgshaders/common-ps.hlsl | 37 ++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 gfx/layers/d3d11/mlgshaders/common-ps.hlsl (limited to 'gfx/layers/d3d11/mlgshaders/common-ps.hlsl') diff --git a/gfx/layers/d3d11/mlgshaders/common-ps.hlsl b/gfx/layers/d3d11/mlgshaders/common-ps.hlsl new file mode 100644 index 0000000000..624f87e2ce --- /dev/null +++ b/gfx/layers/d3d11/mlgshaders/common-ps.hlsl @@ -0,0 +1,37 @@ +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#include "common.hlsl" + +sampler sSampler : register(ps, s0); +sampler sMaskSampler : register(ps, s1); + +Texture2D tMaskTexture : register(ps, t4); + +cbuffer MaskInformation : register(b0) +{ + float sOpacity : packoffset(c0.x); + uint sHasMask : packoffset(c0.y); +}; + +float2 MaskCoordsToUV(float3 aMaskCoords) +{ + return aMaskCoords.xy / aMaskCoords.z; +} + +float ReadMaskWithOpacity(float3 aMaskCoords, float aOpacity) +{ + if (!sHasMask) { + return aOpacity; + } + + float2 uv = MaskCoordsToUV(aMaskCoords); + float r = tMaskTexture.Sample(sMaskSampler, uv).r; + return min(aOpacity, r); +} + +float ReadMask(float3 aMaskCoords) +{ + return ReadMaskWithOpacity(aMaskCoords, sOpacity); +} -- cgit v1.2.3