Library/PackageCache/com.unity.render-pipelines.core/ShaderLibrary/API/Vulkan.hlsl at master · tacstudios.tngl.sh/AloneGame

A game about forced loneliness, made by TACStudios
AloneGame / Library / PackageCache / com.unity.render-pipelines.core / ShaderLibrary / API / Vulkan.hlsl
at master 184 lines 15 kB view raw
  1// This file assume SHADER_API_VULKAN is defined
  2// TODO: This is a straight copy from D3D11.hlsl. Go through all this stuff and adjust where needed.
  3
  4#define UNITY_UV_STARTS_AT_TOP 1
  5#define UNITY_REVERSED_Z 1
  6#define UNITY_NEAR_CLIP_VALUE (1.0)
  7// This value will not go through any matrix projection conversion
  8#define UNITY_RAW_FAR_CLIP_VALUE (0.0)
  9#define VERTEXID_SEMANTIC SV_VertexID
 10#define INSTANCEID_SEMANTIC SV_InstanceID
 11#define FRONT_FACE_SEMANTIC SV_IsFrontFace
 12#define FRONT_FACE_TYPE bool
 13#define IS_FRONT_VFACE(VAL, FRONT, BACK) ((VAL) ? (FRONT) : (BACK))
 14
 15#define CBUFFER_START(name) cbuffer name {
 16#define CBUFFER_END };
 17
 18#define PLATFORM_SUPPORTS_EXPLICIT_BINDING
 19#define PLATFORM_NEEDS_UNORM_UAV_SPECIFIER
 20#define PLATFORM_SUPPORTS_BUFFER_ATOMICS_IN_PIXEL_SHADER
 21#define PLATFORM_SUPPORTS_PRIMITIVE_ID_IN_PIXEL_SHADER
 22
 23// flow control attributes
 24#define UNITY_BRANCH        [branch]
 25#define UNITY_FLATTEN       [flatten]
 26#define UNITY_UNROLL        [unroll]
 27#define UNITY_UNROLLX(_x)   [unroll(_x)]
 28#define UNITY_LOOP          [loop]
 29
 30// Initialize arbitrary structure with zero values.
 31// Do not exist on some platform, in this case we need to have a standard name that call a function that will initialize all parameters to 0
 32#define ZERO_INITIALIZE(type, name) name = (type)0;
 33#define ZERO_INITIALIZE_ARRAY(type, name, arraySize) { for (int arrayIndex = 0; arrayIndex < arraySize; arrayIndex++) { name[arrayIndex] = (type)0; } }
 34
 35// Texture util abstraction
 36
 37#define CALCULATE_TEXTURE2D_LOD(textureName, samplerName, coord2) textureName.CalculateLevelOfDetail(samplerName, coord2)
 38
 39// Texture abstraction
 40
 41#define TEXTURE2D(textureName)                Texture2D textureName
 42#define TEXTURE2D_ARRAY(textureName)          Texture2DArray textureName
 43#define TEXTURECUBE(textureName)              TextureCube textureName
 44#define TEXTURECUBE_ARRAY(textureName)        TextureCubeArray textureName
 45#define TEXTURE3D(textureName)                Texture3D textureName
 46
 47#define TEXTURE2D_FLOAT(textureName)          Texture2D<float4> textureName
 48#define TEXTURE2D_ARRAY_FLOAT(textureName)    Texture2DArray<float4> textureName
 49#define TEXTURECUBE_FLOAT(textureName)        TextureCube<float4> textureName
 50#define TEXTURECUBE_ARRAY_FLOAT(textureName)  TextureCubeArray<float4> textureName
 51#define TEXTURE3D_FLOAT(textureName)          Texture3D<float4> textureName
 52
 53#define TEXTURE2D_HALF(textureName)           Texture2D<half4> textureName
 54#define TEXTURE2D_ARRAY_HALF(textureName)     Texture2DArray<half4> textureName
 55#define TEXTURECUBE_HALF(textureName)         TextureCube<half4> textureName
 56#define TEXTURECUBE_ARRAY_HALF(textureName)   TextureCubeArray<half4> textureName
 57#define TEXTURE3D_HALF(textureName)           Texture3D<half4> textureName
 58
 59#define TEXTURE2D_SHADOW(textureName)         TEXTURE2D(textureName)
 60#define TEXTURE2D_ARRAY_SHADOW(textureName)   TEXTURE2D_ARRAY(textureName)
 61#define TEXTURECUBE_SHADOW(textureName)       TEXTURECUBE(textureName)
 62#define TEXTURECUBE_ARRAY_SHADOW(textureName) TEXTURECUBE_ARRAY(textureName)
 63
 64#define TYPED_TEXTURE2D(type, textureName)       Texture2D<type> textureName
 65#define TYPED_TEXTURE2D_ARRAY(type, textureName) Texture2DArray<type> textureName
 66#define TYPED_TEXTURE3D(type, textureName)       Texture3D<type> textureName
 67#define RW_TEXTURE2D(type, textureName)          RWTexture2D<type> textureName
 68#define RW_TEXTURE2D_ARRAY(type, textureName)    RWTexture2DArray<type> textureName
 69#define RW_TEXTURE3D(type, textureName)          RWTexture3D<type> textureName
 70
 71#define SAMPLER(samplerName)                  SamplerState samplerName
 72#define SAMPLER_CMP(samplerName)              SamplerComparisonState samplerName
 73#define ASSIGN_SAMPLER(samplerName, samplerValue) samplerName = samplerValue
 74
 75#define TEXTURE2D_PARAM(textureName, samplerName)                 TEXTURE2D(textureName),         SAMPLER(samplerName)
 76#define TEXTURE2D_ARRAY_PARAM(textureName, samplerName)           TEXTURE2D_ARRAY(textureName),   SAMPLER(samplerName)
 77#define TEXTURECUBE_PARAM(textureName, samplerName)               TEXTURECUBE(textureName),       SAMPLER(samplerName)
 78#define TEXTURECUBE_ARRAY_PARAM(textureName, samplerName)         TEXTURECUBE_ARRAY(textureName), SAMPLER(samplerName)
 79#define TEXTURE3D_PARAM(textureName, samplerName)                 TEXTURE3D(textureName),         SAMPLER(samplerName)
 80
 81#define TEXTURE2D_SHADOW_PARAM(textureName, samplerName)          TEXTURE2D(textureName),         SAMPLER_CMP(samplerName)
 82#define TEXTURE2D_ARRAY_SHADOW_PARAM(textureName, samplerName)    TEXTURE2D_ARRAY(textureName),   SAMPLER_CMP(samplerName)
 83#define TEXTURECUBE_SHADOW_PARAM(textureName, samplerName)        TEXTURECUBE(textureName),       SAMPLER_CMP(samplerName)
 84#define TEXTURECUBE_ARRAY_SHADOW_PARAM(textureName, samplerName)  TEXTURECUBE_ARRAY(textureName), SAMPLER_CMP(samplerName)
 85
 86#define TEXTURE2D_ARGS(textureName, samplerName)                textureName, samplerName
 87#define TEXTURE2D_ARRAY_ARGS(textureName, samplerName)          textureName, samplerName
 88#define TEXTURECUBE_ARGS(textureName, samplerName)              textureName, samplerName
 89#define TEXTURECUBE_ARRAY_ARGS(textureName, samplerName)        textureName, samplerName
 90#define TEXTURE3D_ARGS(textureName, samplerName)                textureName, samplerName
 91
 92#define TEXTURE2D_SHADOW_ARGS(textureName, samplerName)         textureName, samplerName
 93#define TEXTURE2D_ARRAY_SHADOW_ARGS(textureName, samplerName)   textureName, samplerName
 94#define TEXTURECUBE_SHADOW_ARGS(textureName, samplerName)       textureName, samplerName
 95#define TEXTURECUBE_ARRAY_SHADOW_ARGS(textureName, samplerName) textureName, samplerName
 96
 97#define PLATFORM_SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                               textureName.Sample(samplerName, coord2)
 98#define PLATFORM_SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                      textureName.SampleLevel(samplerName, coord2, lod)
 99#define PLATFORM_SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                    textureName.SampleBias(samplerName, coord2, bias)
100#define PLATFORM_SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)              textureName.SampleGrad(samplerName, coord2, dpdx, dpdy)
101#define PLATFORM_SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)                  textureName.Sample(samplerName, float3(coord2, index))
102#define PLATFORM_SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)         textureName.SampleLevel(samplerName, float3(coord2, index), lod)
103#define PLATFORM_SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)       textureName.SampleBias(samplerName, float3(coord2, index), bias)
104#define PLATFORM_SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy) textureName.SampleGrad(samplerName, float3(coord2, index), dpdx, dpdy)
105#define PLATFORM_SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                             textureName.Sample(samplerName, coord3)
106#define PLATFORM_SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                    textureName.SampleLevel(samplerName, coord3, lod)
107#define PLATFORM_SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)                  textureName.SampleBias(samplerName, coord3, bias)
108#define PLATFORM_SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)                textureName.Sample(samplerName, float4(coord3, index))
109#define PLATFORM_SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)       textureName.SampleLevel(samplerName, float4(coord3, index), lod)
110#define PLATFORM_SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias)     textureName.SampleBias(samplerName, float4(coord3, index), bias)
111#define PLATFORM_SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                               textureName.Sample(samplerName, coord3)
112#define PLATFORM_SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                      textureName.SampleLevel(samplerName, coord3, lod)
113
114#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                               PLATFORM_SAMPLE_TEXTURE2D(textureName, samplerName, coord2)
115#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                      PLATFORM_SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)
116#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                    PLATFORM_SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)
117#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)              PLATFORM_SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)
118#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)                  PLATFORM_SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)
119#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)         PLATFORM_SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)
120#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)       PLATFORM_SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)
121#define SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy) PLATFORM_SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy)
122#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                             PLATFORM_SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)
123#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                    PLATFORM_SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)
124#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)                  PLATFORM_SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)
125#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)                PLATFORM_SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)
126#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)       PLATFORM_SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)
127#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias)     PLATFORM_SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias)
128#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                               PLATFORM_SAMPLE_TEXTURE3D(textureName, samplerName, coord3)
129#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                      PLATFORM_SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)
130
131#define SAMPLE_TEXTURE2D_SHADOW(textureName, samplerName, coord3)                    textureName.SampleCmpLevelZero(samplerName, (coord3).xy, (coord3).z)
132#define SAMPLE_TEXTURE2D_ARRAY_SHADOW(textureName, samplerName, coord3, index)       textureName.SampleCmpLevelZero(samplerName, float3((coord3).xy, index), (coord3).z)
133#define SAMPLE_TEXTURECUBE_SHADOW(textureName, samplerName, coord4)                  textureName.SampleCmpLevelZero(samplerName, (coord4).xyz, (coord4).w)
134#define SAMPLE_TEXTURECUBE_ARRAY_SHADOW(textureName, samplerName, coord4, index)     textureName.SampleCmpLevelZero(samplerName, float4((coord4).xyz, index), (coord4).w)
135
136#define SAMPLE_DEPTH_TEXTURE(textureName, samplerName, coord2)          SAMPLE_TEXTURE2D(textureName, samplerName, coord2).r
137#define SAMPLE_DEPTH_TEXTURE_LOD(textureName, samplerName, coord2, lod) SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod).r
138
139#define LOAD_TEXTURE2D(textureName, unCoord2)                                   textureName.Load(int3(unCoord2, 0))
140#define LOAD_TEXTURE2D_LOD(textureName, unCoord2, lod)                          textureName.Load(int3(unCoord2, lod))
141#define LOAD_TEXTURE2D_MSAA(textureName, unCoord2, sampleIndex)                 textureName.Load(unCoord2, sampleIndex)
142#define LOAD_TEXTURE2D_ARRAY(textureName, unCoord2, index)                      textureName.Load(int4(unCoord2, index, 0))
143#define LOAD_TEXTURE2D_ARRAY_MSAA(textureName, unCoord2, index, sampleIndex)    textureName.Load(int3(unCoord2, index), sampleIndex)
144#define LOAD_TEXTURE2D_ARRAY_LOD(textureName, unCoord2, index, lod)             textureName.Load(int4(unCoord2, index, lod))
145#define LOAD_TEXTURE3D(textureName, unCoord3)                                   textureName.Load(int4(unCoord3, 0))
146#define LOAD_TEXTURE3D_LOD(textureName, unCoord3, lod)                          textureName.Load(int4(unCoord3, lod))
147
148#define PLATFORM_SUPPORT_GATHER
149#define GATHER_TEXTURE2D(textureName, samplerName, coord2)                textureName.Gather(samplerName, coord2)
150#define GATHER_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)   textureName.Gather(samplerName, float3(coord2, index))
151#define GATHER_TEXTURECUBE(textureName, samplerName, coord3)              textureName.Gather(samplerName, coord3)
152#define GATHER_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index) textureName.Gather(samplerName, float4(coord3, index))
153#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2)            textureName.GatherRed(samplerName, coord2)
154#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherGreen(samplerName, coord2)
155#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2)           textureName.GatherBlue(samplerName, coord2)
156#define GATHER_ALPHA_TEXTURE2D(textureName, samplerName, coord2)          textureName.GatherAlpha(samplerName, coord2)
157
158#define PLATFORM_SUPPORTS_NATIVE_RENDERPASS
159
160// Vulkan SwapChain pre-transform
161#ifdef UNITY_PRETRANSFORM_TO_DISPLAY_ORIENTATION
162#   ifdef UNITY_COMPILER_DXC
163        [[vk::constant_id(1)]] const int UnityDisplayOrientationPreTransform = 0;
164#   else
165        cbuffer UnityDisplayOrientationPreTransformData { int UnityDisplayOrientationPreTransform; };
166#   endif
167#   define UNITY_DISPLAY_ORIENTATION_PRETRANSFORM UnityDisplayOrientationPreTransform
168#   define UNITY_DISPLAY_ORIENTATION_PRETRANSFORM_0   0
169#   define UNITY_DISPLAY_ORIENTATION_PRETRANSFORM_90  1
170#   define UNITY_DISPLAY_ORIENTATION_PRETRANSFORM_180 2
171#   define UNITY_DISPLAY_ORIENTATION_PRETRANSFORM_270 3
172float4 ApplyPretransformRotation(float4 v)
173{
174    switch (UNITY_DISPLAY_ORIENTATION_PRETRANSFORM)
175    {
176    default:
177    case UNITY_DISPLAY_ORIENTATION_PRETRANSFORM_0: break;
178    case UNITY_DISPLAY_ORIENTATION_PRETRANSFORM_90: v.xy = float2(v.y, -v.x); break;
179    case UNITY_DISPLAY_ORIENTATION_PRETRANSFORM_180: v.xy = -v.xy; break;
180    case UNITY_DISPLAY_ORIENTATION_PRETRANSFORM_270: v.xy = float2(-v.y, v.x); break;
181    }
182    return v;
183}
184#endif