mirror of
https://bitbucket.org/CPMADevs/cnq3
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98 lines
2.3 KiB
HLSL
98 lines
2.3 KiB
HLSL
/*
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===========================================================================
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Copyright (C) 2024 Gian 'myT' Schellenbaum
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This file is part of Challenge Quake 3 (CNQ3).
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Challenge Quake 3 is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Challenge Quake 3 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Challenge Quake 3. If not, see <https://www.gnu.org/licenses/>.
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===========================================================================
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*/
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// generic shader for the prepass of opaque surfaces
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#include "common.hlsli"
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#include "world.h.hlsli"
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#include "world.hlsli"
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cbuffer RootConstants
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{
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// geometry
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matrix modelViewMatrix;
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matrix projectionMatrix;
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matrix normalMatrix;
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float4 clipPlane;
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// general
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uint textureIndex;
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uint samplerIndex;
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uint alphaTest;
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};
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struct VIn
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{
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float3 position : POSITION;
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float3 normal : NORMAL;
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float2 texCoords : TEXCOORD0;
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float4 color : COLOR0;
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};
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struct VOut
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{
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float4 position : SV_Position;
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float3 normal : NORMAL;
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float2 texCoords : TEXCOORD0;
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float4 color : COLOR0;
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float clipDist : SV_ClipDistance0;
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};
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VOut vs(VIn input)
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{
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float4 positionVS = mul(modelViewMatrix, float4(input.position.xyz, 1));
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VOut output;
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output.position = mul(projectionMatrix, positionVS);
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output.normal = mul(normalMatrix, float4(input.normal, 0)).xyz;
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output.texCoords = input.texCoords;
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output.color = input.color;
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output.clipDist = dot(positionVS, clipPlane);
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return output;
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}
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struct POut
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{
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float2 normal : SV_Target0;
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float2 motionVector : SV_Target1;
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};
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POut ps(VOut input)
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{
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if(alphaTest != ATEST_NONE)
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{
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Texture2D texture0 = ResourceDescriptorHeap[textureIndex];
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SamplerState sampler0 = ResourceDescriptorHeap[samplerIndex];
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float4 dst = texture0.Sample(sampler0, input.texCoords) * input.color;
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if(FailsAlphaTest(dst.a, alphaTest))
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{
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discard;
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}
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}
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POut output;
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output.normal = OctEncode(normalize(input.normal));
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output.motionVector = float2(0, 0); // @TODO:
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return output;
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}
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