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

Vulkan.hlsl 14KB
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  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

  172. float4 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