Library/PackageCache/com.unity.render-pipelines.core/ShaderLibrary/API/GLES3.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 / GLES3.hlsl
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  1#ifndef SHADER_API_GLES3
  2#error GLES.hlsl should not be included if SHADER_API_GLES3 is not defined
  3#endif
  4
  5#define UNITY_NEAR_CLIP_VALUE (-1.0)
  6
  7// This value will not go through any matrix projection convertion
  8#define UNITY_RAW_FAR_CLIP_VALUE (1.0)
  9#define VERTEXID_SEMANTIC SV_VertexID
 10#define INSTANCEID_SEMANTIC SV_InstanceID
 11#if defined(UNITY_COMPILER_DXC)
 12       #define FRONT_FACE_SEMANTIC SV_IsFrontFace
 13       #define FRONT_FACE_TYPE bool
 14       #define IS_FRONT_VFACE(VAL, FRONT, BACK) ((VAL) ? (FRONT) : (BACK))
 15#else
 16#define FRONT_FACE_SEMANTIC VFACE
 17#define FRONT_FACE_TYPE float
 18#define IS_FRONT_VFACE(VAL, FRONT, BACK) ((VAL > 0.0) ? (FRONT) : (BACK))
 19#endif
 20
 21#define ERROR_ON_UNSUPPORTED_FUNCTION(funcName) #error #funcName is not supported on GLES 3.0
 22
 23#define CBUFFER_START(name) cbuffer name {
 24#define CBUFFER_END };
 25
 26
 27// flow control attributes
 28#define UNITY_BRANCH        [branch]
 29#define UNITY_FLATTEN       [flatten]
 30#define UNITY_UNROLL        [unroll]
 31#define UNITY_UNROLLX(_x)   [unroll(_x)]
 32#define UNITY_LOOP          [loop]
 33
 34// GLES 3.1 + AEP shader feature https://docs.unity3d.com/Manual/SL-ShaderCompileTargets.html
 35#if (SHADER_TARGET >= 50)
 36#define GLES3_1_AEP 1
 37#else
 38#define GLES3_1_AEP 0
 39#endif
 40
 41// Initialize arbitrary structure with zero values.
 42// 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
 43#define ZERO_INITIALIZE(type, name) name = (type)0;
 44#define ZERO_INITIALIZE_ARRAY(type, name, arraySize) { for (int arrayIndex = 0; arrayIndex < arraySize; arrayIndex++) { name[arrayIndex] = (type)0; } }
 45
 46// Texture util abstraction
 47
 48#define CALCULATE_TEXTURE2D_LOD(textureName, samplerName, coord2) textureName.CalculateLevelOfDetail(samplerName, coord2)
 49
 50// Texture abstraction
 51
 52#define TEXTURE2D(textureName)                  Texture2D textureName
 53#define TEXTURE2D_ARRAY(textureName)            Texture2DArray textureName
 54#define TEXTURECUBE(textureName)                TextureCube textureName
 55#define TEXTURECUBE_ARRAY(textureName)          TextureCubeArray textureName
 56#define TEXTURE3D(textureName)                  Texture3D textureName
 57
 58#define TEXTURE2D_FLOAT(textureName)            Texture2D<float4> textureName
 59#define TEXTURE2D_ARRAY_FLOAT(textureName)      Texture2DArray<float4> textureName
 60#define TEXTURECUBE_FLOAT(textureName)          TextureCube<float4> textureName
 61#define TEXTURECUBE_ARRAY_FLOAT(textureName)    TextureCubeArray<float4> textureName
 62#define TEXTURE3D_FLOAT(textureName)            Texture3D<float4> textureName
 63
 64#define TEXTURE2D_HALF(textureName)             Texture2D<half4> textureName
 65#define TEXTURE2D_ARRAY_HALF(textureName)       Texture2DArray<half4> textureName
 66#define TEXTURECUBE_HALF(textureName)           TextureCube<half4> textureName
 67#define TEXTURECUBE_ARRAY_HALF(textureName)     TextureCubeArray<half4> textureName
 68#define TEXTURE3D_HALF(textureName)             Texture3D<half4> textureName
 69
 70#define TEXTURE2D_SHADOW(textureName)           TEXTURE2D(textureName)
 71#define TEXTURE2D_ARRAY_SHADOW(textureName)     TEXTURE2D_ARRAY(textureName)
 72#define TEXTURECUBE_SHADOW(textureName)         TEXTURECUBE(textureName)
 73#define TEXTURECUBE_ARRAY_SHADOW(textureName)   TEXTURECUBE_ARRAY(textureName)
 74
 75#if SHADER_AVAILABLE_RANDOMWRITE
 76#define TYPED_TEXTURE2D(type, textureName)       Texture2D<type> textureName
 77#define TYPED_TEXTURE2D_ARRAY(type, textureName) Texture2DArray<type> textureName
 78#define TYPED_TEXTURE3D(type, textureName)       Texture3D<type> textureName
 79#define RW_TEXTURE2D(type, textureName)          RWTexture2D<type> textureName
 80#define RW_TEXTURE2D_ARRAY(type, textureName)    RWTexture2DArray<type> textureName
 81#define RW_TEXTURE3D(type, textureName)          RWTexture3D<type> textureName
 82#else
 83#define TYPED_TEXTURE2D(type, textureName)       ERROR_ON_UNSUPPORTED_FUNCTION(TypedTexture2D)
 84#define TYPED_TEXTURE2D_ARRAY(type, textureName) ERROR_ON_UNSUPPORTED_FUNCTION(TypedTexture2DArray)
 85#define TYPED_TEXTURE3D(type, textureName)       ERROR_ON_UNSUPPORTED_FUNCTION(TypedTexture3D)
 86#define RW_TEXTURE2D(type, textureName)          ERROR_ON_UNSUPPORTED_FUNCTION(RWTexture2D)
 87#define RW_TEXTURE2D_ARRAY(type, textureName)    ERROR_ON_UNSUPPORTED_FUNCTION(RWTexture2DArray)
 88#define RW_TEXTURE3D(type, textureName)          ERROR_ON_UNSUPPORTED_FUNCTION(RWTexture3D)
 89#endif
 90
 91#define SAMPLER(samplerName)                    SamplerState samplerName
 92#define SAMPLER_CMP(samplerName)                SamplerComparisonState samplerName
 93#define ASSIGN_SAMPLER(samplerName, samplerValue) samplerName = samplerValue
 94
 95#define TEXTURE2D_PARAM(textureName, samplerName)                 TEXTURE2D(textureName),         SAMPLER(samplerName)
 96#define TEXTURE2D_ARRAY_PARAM(textureName, samplerName)           TEXTURE2D_ARRAY(textureName),   SAMPLER(samplerName)
 97#define TEXTURECUBE_PARAM(textureName, samplerName)               TEXTURECUBE(textureName),       SAMPLER(samplerName)
 98#define TEXTURECUBE_ARRAY_PARAM(textureName, samplerName)         TEXTURECUBE_ARRAY(textureName), SAMPLER(samplerName)
 99#define TEXTURE3D_PARAM(textureName, samplerName)                 TEXTURE3D(textureName),         SAMPLER(samplerName)
100
101#define TEXTURE2D_SHADOW_PARAM(textureName, samplerName)          TEXTURE2D(textureName),         SAMPLER_CMP(samplerName)
102#define TEXTURE2D_ARRAY_SHADOW_PARAM(textureName, samplerName)    TEXTURE2D_ARRAY(textureName),   SAMPLER_CMP(samplerName)
103#define TEXTURECUBE_SHADOW_PARAM(textureName, samplerName)        TEXTURECUBE(textureName),       SAMPLER_CMP(samplerName)
104#define TEXTURECUBE_ARRAY_SHADOW_PARAM(textureName, samplerName)  TEXTURECUBE_ARRAY(textureName), SAMPLER_CMP(samplerName)
105
106#define TEXTURE2D_ARGS(textureName, samplerName)                textureName, samplerName
107#define TEXTURE2D_ARRAY_ARGS(textureName, samplerName)          textureName, samplerName
108#define TEXTURECUBE_ARGS(textureName, samplerName)              textureName, samplerName
109#define TEXTURECUBE_ARRAY_ARGS(textureName, samplerName)        textureName, samplerName
110#define TEXTURE3D_ARGS(textureName, samplerName)                textureName, samplerName
111
112#define TEXTURE2D_SHADOW_ARGS(textureName, samplerName)         textureName, samplerName
113#define TEXTURE2D_ARRAY_SHADOW_ARGS(textureName, samplerName)   textureName, samplerName
114#define TEXTURECUBE_SHADOW_ARGS(textureName, samplerName)       textureName, samplerName
115#define TEXTURECUBE_ARRAY_SHADOW_ARGS(textureName, samplerName) textureName, samplerName
116
117#define PLATFORM_SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                               textureName.Sample(samplerName, coord2)
118#define PLATFORM_SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                      textureName.SampleLevel(samplerName, coord2, lod)
119#define PLATFORM_SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                    textureName.SampleBias(samplerName, coord2, bias)
120#define PLATFORM_SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, ddx, ddy)                textureName.SampleGrad(samplerName, coord2, ddx, ddy)
121#define PLATFORM_SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)                  textureName.Sample(samplerName, float3(coord2, index))
122#define PLATFORM_SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)         textureName.SampleLevel(samplerName, float3(coord2, index), lod)
123#define PLATFORM_SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)       textureName.SampleBias(samplerName, float3(coord2, index), bias)
124#define PLATFORM_SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy) textureName.SampleGrad(samplerName, float3(coord2, index), dpdx, dpdy)
125#define PLATFORM_SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                             textureName.Sample(samplerName, coord3)
126#define PLATFORM_SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                    textureName.SampleLevel(samplerName, coord3, lod)
127#define PLATFORM_SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)                  textureName.SampleBias(samplerName, coord3, bias)
128
129#if SHADER_AVAILABLE_CUBEARRAY
130#define PLATFORM_SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)           textureName.Sample(samplerName, float4(coord3, index))
131#define PLATFORM_SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)  textureName.SampleLevel(samplerName, float4(coord3, index), lod)
132#define PLATFORM_SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias)textureName.SampleBias(samplerName, float4(coord3, index), bias)
133#else
134#define PLATFORM_SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)           ERROR_ON_UNSUPPORTED_FUNCTION(SAMPLE_TEXTURECUBE_ARRAY)
135#define PLATFORM_SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)  ERROR_ON_UNSUPPORTED_FUNCTION(SAMPLE_TEXTURECUBE_ARRAY_LOD)
136#define PLATFORM_SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias)ERROR_ON_UNSUPPORTED_FUNCTION(SAMPLE_TEXTURECUBE_ARRAY_BIAS)
137#endif
138
139#define PLATFORM_SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                          textureName.Sample(samplerName, coord3)
140#define PLATFORM_SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                 textureName.SampleLevel(samplerName, coord3, lod)
141
142#define SAMPLE_TEXTURE2D(textureName, samplerName, coord2)                               PLATFORM_SAMPLE_TEXTURE2D(textureName, samplerName, coord2)
143#define SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)                      PLATFORM_SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod)
144#define SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)                    PLATFORM_SAMPLE_TEXTURE2D_BIAS(textureName, samplerName, coord2, bias)
145#define SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)              PLATFORM_SAMPLE_TEXTURE2D_GRAD(textureName, samplerName, coord2, dpdx, dpdy)
146#define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)                  PLATFORM_SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)
147#define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)         PLATFORM_SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod)
148#define SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)       PLATFORM_SAMPLE_TEXTURE2D_ARRAY_BIAS(textureName, samplerName, coord2, index, bias)
149#define SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy) PLATFORM_SAMPLE_TEXTURE2D_ARRAY_GRAD(textureName, samplerName, coord2, index, dpdx, dpdy)
150#define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)                             PLATFORM_SAMPLE_TEXTURECUBE(textureName, samplerName, coord3)
151#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)                    PLATFORM_SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod)
152#define SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)                  PLATFORM_SAMPLE_TEXTURECUBE_BIAS(textureName, samplerName, coord3, bias)
153#define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)                PLATFORM_SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)
154#define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)       PLATFORM_SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)
155#define SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias)     PLATFORM_SAMPLE_TEXTURECUBE_ARRAY_BIAS(textureName, samplerName, coord3, index, bias)
156#define SAMPLE_TEXTURE3D(textureName, samplerName, coord3)                               PLATFORM_SAMPLE_TEXTURE3D(textureName, samplerName, coord3)
157#define SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)                      PLATFORM_SAMPLE_TEXTURE3D_LOD(textureName, samplerName, coord3, lod)
158
159#define SAMPLE_TEXTURE2D_SHADOW(textureName, samplerName, coord3)                   textureName.SampleCmpLevelZero(samplerName, (coord3).xy, (coord3).z)
160#define SAMPLE_TEXTURE2D_ARRAY_SHADOW(textureName, samplerName, coord3, index)      textureName.SampleCmpLevelZero(samplerName, float3((coord3).xy, index), (coord3).z)
161#define SAMPLE_TEXTURECUBE_SHADOW(textureName, samplerName, coord4)                 textureName.SampleCmpLevelZero(samplerName, (coord4).xyz, (coord4).w)
162#define SAMPLE_TEXTURECUBE_ARRAY_SHADOW(textureName, samplerName, coord4, index)    textureName.SampleCmpLevelZero(samplerName, float4((coord4).xyz, index), (coord4).w)
163
164#define SAMPLE_DEPTH_TEXTURE(textureName, samplerName, coord2)                      SAMPLE_TEXTURE2D(textureName, samplerName, coord2).r
165#define SAMPLE_DEPTH_TEXTURE_LOD(textureName, samplerName, coord2, lod)             SAMPLE_TEXTURE2D_LOD(textureName, samplerName, coord2, lod).r
166
167#define LOAD_TEXTURE2D(textureName, unCoord2)                                       textureName.Load(int3(unCoord2, 0))
168#define LOAD_TEXTURE2D_LOD(textureName, unCoord2, lod)                              textureName.Load(int3(unCoord2, lod))
169#define LOAD_TEXTURE2D_MSAA(textureName, unCoord2, sampleIndex)                     textureName.Load(unCoord2, sampleIndex)
170#define LOAD_TEXTURE2D_ARRAY(textureName, unCoord2, index)                          textureName.Load(int4(unCoord2, index, 0))
171#define LOAD_TEXTURE2D_ARRAY_MSAA(textureName, unCoord2, index, sampleIndex)        textureName.Load(int3(unCoord2, index), sampleIndex)
172#define LOAD_TEXTURE2D_ARRAY_LOD(textureName, unCoord2, index, lod)                 textureName.Load(int4(unCoord2, index, lod))
173#define LOAD_TEXTURE3D(textureName, unCoord3)                                       textureName.Load(int4(unCoord3, 0))
174#define LOAD_TEXTURE3D_LOD(textureName, unCoord3, lod)                              textureName.Load(int4(unCoord3, lod))
175
176#if SHADER_TARGET >= 45
177#define PLATFORM_SUPPORT_GATHER
178#define GATHER_TEXTURE2D(textureName, samplerName, coord2)                  textureName.Gather(samplerName, coord2)
179#define GATHER_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)     textureName.Gather(samplerName, float3(coord2, index))
180#define GATHER_TEXTURECUBE(textureName, samplerName, coord3)                textureName.Gather(samplerName, coord3)
181#if SHADER_AVAILABLE_CUBEARRAY
182#define GATHER_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)   textureName.Gather(samplerName, float4(coord3, index))
183#else
184#define GATHER_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)   ERROR_ON_UNSUPPORTED_FUNCTION(GATHER_TEXTURECUBE_ARRAY)
185#endif
186#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2)              textureName.GatherRed(samplerName, coord2)
187#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2)            textureName.GatherGreen(samplerName, coord2)
188#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2)             textureName.GatherBlue(samplerName, coord2)
189#define GATHER_ALPHA_TEXTURE2D(textureName, samplerName, coord2)            textureName.GatherAlpha(samplerName, coord2)
190#else
191#define GATHER_TEXTURE2D(textureName, samplerName, coord2)                  ERROR_ON_UNSUPPORTED_FUNCTION(GATHER_TEXTURE2D)
192#define GATHER_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index)     ERROR_ON_UNSUPPORTED_FUNCTION(GATHER_TEXTURE2D_ARRAY)
193#define GATHER_TEXTURECUBE(textureName, samplerName, coord3)                ERROR_ON_UNSUPPORTED_FUNCTION(GATHER_TEXTURECUBE)
194#define GATHER_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index)   ERROR_ON_UNSUPPORTED_FUNCTION(GATHER_TEXTURECUBE_ARRAY)
195#define GATHER_RED_TEXTURE2D(textureName, samplerName, coord2)              ERROR_ON_UNSUPPORTED_FUNCTION(GATHER_RED_TEXTURE2D)
196#define GATHER_GREEN_TEXTURE2D(textureName, samplerName, coord2)            ERROR_ON_UNSUPPORTED_FUNCTION(GATHER_GREEN_TEXTURE2D)
197#define GATHER_BLUE_TEXTURE2D(textureName, samplerName, coord2)             ERROR_ON_UNSUPPORTED_FUNCTION(GATHER_BLUE_TEXTURE2D)
198#define GATHER_ALPHA_TEXTURE2D(textureName, samplerName, coord2)            ERROR_ON_UNSUPPORTED_FUNCTION(GATHER_ALPHA_TEXTURE2D)
199#endif