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HX-PGS-AIM-Android/Library/PackageCache/com.unity.render-pipelines..../ShaderLibrary/API/GLES3.hlsl

GLES3.hlsl 16KB
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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