Mercurial > games > semicongine
annotate static_utils.nim @ 1173:fafc2f14da0b compiletime-tests
more stuff
| author | sam <sam@basx.dev> |
|---|---|
| date | Sat, 29 Jun 2024 17:34:22 +0700 |
| parents | 2e0b527c2753 |
| children | 511c9f7cd1da |
| rev | line source |
|---|---|
| 1162 | 1 import std/os |
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2 import std/enumerate |
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3 import std/hashes |
| 1159 | 4 import std/macros |
| 1161 | 5 import std/strformat |
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6 import std/strutils |
| 1164 | 7 import std/sequtils |
| 1162 | 8 import std/typetraits as tt |
| 1159 | 9 |
| 1161 | 10 import semicongine/core/utils |
| 11 import semicongine/core/imagetypes | |
| 1159 | 12 import semicongine/core/vector |
| 13 import semicongine/core/matrix | |
| 14 import semicongine/core/vulkanapi | |
| 1161 | 15 import semicongine/vulkan/buffer |
| 1159 | 16 |
| 17 template VertexAttribute* {.pragma.} | |
| 18 template InstanceAttribute* {.pragma.} | |
| 1162 | 19 template Pass* {.pragma.} |
| 20 template PassFlat* {.pragma.} | |
| 21 template ShaderOutput* {.pragma.} | |
| 1159 | 22 |
| 1165 | 23 const INFLIGHTFRAMES = 2'u32 |
| 1159 | 24 type |
| 25 SupportedGPUType* = float32 | float64 | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64 | TVec2[int32] | TVec2[int64] | TVec3[int32] | TVec3[int64] | TVec4[int32] | TVec4[int64] | TVec2[uint32] | TVec2[uint64] | TVec3[uint32] | TVec3[uint64] | TVec4[uint32] | TVec4[uint64] | TVec2[float32] | TVec2[float64] | TVec3[float32] | TVec3[float64] | TVec4[float32] | TVec4[float64] | TMat2[float32] | TMat2[float64] | TMat23[float32] | TMat23[float64] | TMat32[float32] | TMat32[float64] | TMat3[float32] | TMat3[float64] | TMat34[float32] | TMat34[float64] | TMat43[float32] | TMat43[float64] | TMat4[float32] | TMat4[float64] | |
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26 ShaderObject*[TShader] = object |
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27 vertexShader: VkShaderModule |
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28 fragmentShader: VkShaderModule |
| 1159 | 29 |
| 30 func VkType[T: SupportedGPUType](value: T): VkFormat = | |
| 31 when T is float32: VK_FORMAT_R32_SFLOAT | |
| 32 elif T is float64: VK_FORMAT_R64_SFLOAT | |
| 33 elif T is int8: VK_FORMAT_R8_SINT | |
| 34 elif T is int16: VK_FORMAT_R16_SINT | |
| 35 elif T is int32: VK_FORMAT_R32_SINT | |
| 36 elif T is int64: VK_FORMAT_R64_SINT | |
| 37 elif T is uint8: VK_FORMAT_R8_UINT | |
| 38 elif T is uint16: VK_FORMAT_R16_UINT | |
| 39 elif T is uint32: VK_FORMAT_R32_UINT | |
| 40 elif T is uint64: VK_FORMAT_R64_UINT | |
| 41 elif T is TVec2[int32]: VK_FORMAT_R32G32_SINT | |
| 42 elif T is TVec2[int64]: VK_FORMAT_R64G64_SINT | |
| 43 elif T is TVec3[int32]: VK_FORMAT_R32G32B32_SINT | |
| 44 elif T is TVec3[int64]: VK_FORMAT_R64G64B64_SINT | |
| 45 elif T is TVec4[int32]: VK_FORMAT_R32G32B32A32_SINT | |
| 46 elif T is TVec4[int64]: VK_FORMAT_R64G64B64A64_SINT | |
| 47 elif T is TVec2[uint32]: VK_FORMAT_R32G32_UINT | |
| 48 elif T is TVec2[uint64]: VK_FORMAT_R64G64_UINT | |
| 49 elif T is TVec3[uint32]: VK_FORMAT_R32G32B32_UINT | |
| 50 elif T is TVec3[uint64]: VK_FORMAT_R64G64B64_UINT | |
| 51 elif T is TVec4[uint32]: VK_FORMAT_R32G32B32A32_UINT | |
| 52 elif T is TVec4[uint64]: VK_FORMAT_R64G64B64A64_UINT | |
| 53 elif T is TVec2[float32]: VK_FORMAT_R32G32_SFLOAT | |
| 54 elif T is TVec2[float64]: VK_FORMAT_R64G64_SFLOAT | |
| 55 elif T is TVec3[float32]: VK_FORMAT_R32G32B32_SFLOAT | |
| 56 elif T is TVec3[float64]: VK_FORMAT_R64G64B64_SFLOAT | |
| 57 elif T is TVec4[float32]: VK_FORMAT_R32G32B32A32_SFLOAT | |
| 58 elif T is TVec4[float64]: VK_FORMAT_R64G64B64A64_SFLOAT | |
| 1162 | 59 elif T is TMat2[float32]: VK_FORMAT_R32G32_SFLOAT |
| 60 elif T is TMat2[float64]: VK_FORMAT_R64G64_SFLOAT | |
| 61 elif T is TMat23[float32]: VK_FORMAT_R32G32B32_SFLOAT | |
| 62 elif T is TMat23[float64]: VK_FORMAT_R64G64B64_SFLOAT | |
| 63 elif T is TMat32[float32]: VK_FORMAT_R32G32_SFLOAT | |
| 64 elif T is TMat32[float64]: VK_FORMAT_R64G64_SFLOAT | |
| 65 elif T is TMat3[float32]: VK_FORMAT_R32G32B32_SFLOAT | |
| 66 elif T is TMat3[float64]: VK_FORMAT_R64G64B64_SFLOAT | |
| 67 elif T is TMat34[float32]: VK_FORMAT_R32G32B32A32_SFLOAT | |
| 68 elif T is TMat34[float64]: VK_FORMAT_R64G64B64A64_SFLOAT | |
| 69 elif T is TMat43[float32]: VK_FORMAT_R32G32B32_SFLOAT | |
| 70 elif T is TMat43[float64]: VK_FORMAT_R64G64B64_SFLOAT | |
| 71 elif T is TMat4[float32]: VK_FORMAT_R32G32B32A32_SFLOAT | |
| 72 elif T is TMat4[float64]: VK_FORMAT_R64G64B64A64_SFLOAT | |
| 73 else: {.error: "Unsupported data type on GPU".} | |
| 74 | |
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75 func GlslType[T: SupportedGPUType|Texture](value: T): string = |
| 1162 | 76 when T is float32: "float" |
| 77 elif T is float64: "double" | |
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78 elif T is int8 or T is int16 or T is int32 or T is int64: "int" |
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79 elif T is uint8 or T is uint16 or T is uint32 or T is uint64: "uint" |
| 1162 | 80 elif T is TVec2[int32]: "ivec2" |
| 81 elif T is TVec2[int64]: "ivec2" | |
| 82 elif T is TVec3[int32]: "ivec3" | |
| 83 elif T is TVec3[int64]: "ivec3" | |
| 84 elif T is TVec4[int32]: "ivec4" | |
| 85 elif T is TVec4[int64]: "ivec4" | |
| 86 elif T is TVec2[uint32]: "uvec2" | |
| 87 elif T is TVec2[uint64]: "uvec2" | |
| 88 elif T is TVec3[uint32]: "uvec3" | |
| 89 elif T is TVec3[uint64]: "uvec3" | |
| 90 elif T is TVec4[uint32]: "uvec4" | |
| 91 elif T is TVec4[uint64]: "uvec4" | |
| 92 elif T is TVec2[float32]: "vec2" | |
| 93 elif T is TVec2[float64]: "dvec2" | |
| 94 elif T is TVec3[float32]: "vec3" | |
| 95 elif T is TVec3[float64]: "dvec3" | |
| 96 elif T is TVec4[float32]: "vec4" | |
| 97 elif T is TVec4[float64]: "dvec4" | |
| 98 elif T is TMat2[float32]: "mat2" | |
| 99 elif T is TMat2[float64]: "dmat2" | |
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100 elif T is TMat23[float32]: "mat23" |
| 1162 | 101 elif T is TMat23[float64]: "dmat23" |
| 102 elif T is TMat32[float32]: "mat32" | |
| 103 elif T is TMat32[float64]: "dmat32" | |
| 104 elif T is TMat3[float32]: "mat3" | |
| 105 elif T is TMat3[float64]: "dmat3" | |
| 106 elif T is TMat34[float32]: "mat34" | |
| 107 elif T is TMat34[float64]: "dmat34" | |
| 108 elif T is TMat43[float32]: "mat43" | |
| 109 elif T is TMat43[float64]: "dmat43" | |
| 110 elif T is TMat4[float32]: "mat4" | |
| 111 elif T is TMat4[float64]: "dmat4" | |
| 112 elif T is Texture: "sampler2D" | |
| 1159 | 113 else: {.error: "Unsupported data type on GPU".} |
| 114 | |
| 1161 | 115 template ForVertexDataFields*(inputData: typed, fieldname, valuename, isinstancename, body: untyped): untyped = |
| 1159 | 116 for theFieldname, value in fieldPairs(inputData): |
| 1161 | 117 when hasCustomPragma(value, VertexAttribute) or hasCustomPragma(value, InstanceAttribute): |
| 1159 | 118 when not typeof(value) is seq: |
| 119 {.error: "field '" & theFieldname & "' needs to be a seq".} | |
| 120 when not typeof(value) is SupportedGPUType: | |
| 121 {.error: "field '" & theFieldname & "' is not a supported GPU type".} | |
| 122 block: | |
| 123 let `fieldname` {.inject.} = theFieldname | |
| 1162 | 124 let `valuename` {.inject.} = value |
| 125 let `isinstancename` {.inject.} = hasCustomPragma(value, InstanceAttribute) | |
| 1159 | 126 body |
| 127 | |
| 1173 | 128 template ForDescriptorFields*(inputData: typed, typename, countname, bindingNumber, body: untyped): untyped = |
| 129 var `bindingNumber` {.inject.} = 1'u32 | |
| 1161 | 130 for theFieldname, value in fieldPairs(inputData): |
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131 when typeof(value) is Texture: |
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132 block: |
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133 let `typename` {.inject.} = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER |
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134 let `countname` {.inject.} = 1'u32 |
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135 body |
| 1173 | 136 `bindingNumber`.inc |
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137 elif typeof(value) is object: |
| 1161 | 138 block: |
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139 let `typename` {.inject.} = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER |
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140 let `countname` {.inject.} = 1'u32 |
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141 body |
| 1173 | 142 `bindingNumber`.inc |
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143 elif typeof(value) is array: |
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144 when elementType(value) is Texture: |
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145 block: |
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146 let `typename` {.inject.} = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER |
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147 let `countname` {.inject.} = uint32(typeof(value).len) |
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148 body |
| 1173 | 149 `bindingNumber`.inc |
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150 elif elementType(value) is object: |
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151 block: |
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152 let `typename` {.inject.} = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER |
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153 let `countname` {.inject.} = uint32(typeof(value).len) |
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154 body |
| 1173 | 155 `bindingNumber`.inc |
| 1161 | 156 |
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157 func NumberOfVertexInputAttributeDescriptors[T: SupportedGPUType|Texture](value: T): uint32 = |
| 1159 | 158 when T is TMat2[float32] or T is TMat2[float64] or T is TMat23[float32] or T is TMat23[float64]: |
| 159 2 | |
| 160 elif T is TMat32[float32] or T is TMat32[float64] or T is TMat3[float32] or T is TMat3[float64] or T is TMat34[float32] or T is TMat34[float64]: | |
| 161 3 | |
| 162 elif T is TMat43[float32] or T is TMat43[float64] or T is TMat4[float32] or T is TMat4[float64]: | |
| 163 4 | |
| 164 else: | |
| 165 1 | |
| 166 | |
| 1162 | 167 func NLocationSlots[T: SupportedGPUType|Texture](value: T): uint32 = |
| 1159 | 168 #[ |
| 169 single location: | |
| 1162 | 170 - any scalar |
| 171 - any 16-bit vector | |
| 172 - any 32-bit vector | |
| 173 - any 64-bit vector that has max. 2 components | |
| 1159 | 174 16-bit scalar and vector types, and |
| 175 32-bit scalar and vector types, and | |
| 176 64-bit scalar and 2-component vector types. | |
| 177 two locations | |
| 178 64-bit three- and four-component vectors | |
| 179 ]# | |
| 1162 | 180 when T is TVec3[int64] or |
| 181 T is TVec4[int64] or | |
| 182 T is TVec3[uint64] or | |
| 183 T is TVec4[uint64] or | |
| 184 T is TVec3[float64] or | |
| 185 T is TVec4[float64] or | |
| 186 T is TMat23[float64] or | |
| 187 T is TMat3[float64] or | |
| 188 T is TMat34[float64] or | |
| 189 T is TMat43[float64] or | |
| 190 T is TMat4[float64]: | |
| 1159 | 191 return 2 |
| 192 else: | |
| 193 return 1 | |
| 194 | |
| 195 type | |
| 1161 | 196 IndexType = enum |
| 197 None, UInt8, UInt16, UInt32 | |
| 198 RenderBuffers = object | |
| 199 deviceBuffers: seq[Buffer] # for fast reads | |
| 200 hostVisibleBuffers: seq[Buffer] # for fast writes | |
| 201 Renderable[TMesh, TInstance] = object | |
| 202 vertexBuffers: seq[VkBuffer] | |
| 203 bufferOffsets: seq[VkDeviceSize] | |
| 1159 | 204 instanceCount: uint32 |
| 1161 | 205 case indexType: IndexType |
| 206 of None: | |
| 1160 | 207 vertexCount: uint32 |
| 1161 | 208 else: |
| 1160 | 209 indexBuffer: VkBuffer |
| 210 indexCount: uint32 | |
| 211 indexBufferOffset: VkDeviceSize | |
| 1162 | 212 Pipeline[TShader] = object |
| 1159 | 213 pipeline: VkPipeline |
| 214 layout: VkPipelineLayout | |
| 1173 | 215 descriptorSets: array[INFLIGHTFRAMES.int, VkDescriptorSet] |
| 1162 | 216 |
| 1161 | 217 converter toVkIndexType(indexType: IndexType): VkIndexType = |
| 218 case indexType: | |
| 219 of None: VK_INDEX_TYPE_NONE_KHR | |
| 220 of UInt8: VK_INDEX_TYPE_UINT8_EXT | |
| 221 of UInt16: VK_INDEX_TYPE_UINT16 | |
| 222 of UInt32: VK_INDEX_TYPE_UINT32 | |
| 1159 | 223 |
| 1172 | 224 proc CreateRenderPass*( |
| 225 device: VkDevice, | |
| 226 format: VkFormat, | |
| 227 ): VkRenderPass = | |
| 228 | |
| 229 var | |
| 230 attachments = @[VkAttachmentDescription( | |
| 231 format: format, | |
| 232 samples: VK_SAMPLE_COUNT_1_BIT, | |
| 233 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR, | |
| 234 storeOp: VK_ATTACHMENT_STORE_OP_STORE, | |
| 235 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE, | |
| 236 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE, | |
| 237 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED, | |
| 238 finalLayout: VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, | |
| 239 )] | |
| 240 dependencies = @[VkSubpassDependency( | |
| 241 srcSubpass: VK_SUBPASS_EXTERNAL, | |
| 242 dstSubpass: 0, | |
| 243 srcStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT], | |
| 244 srcAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT], | |
| 245 dstStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT], | |
| 246 dstAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT], | |
| 247 )] | |
| 248 outputs = @[ | |
| 249 VkAttachmentReference( | |
| 250 attachment: 0, | |
| 251 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, | |
| 252 ) | |
| 253 ] | |
| 254 | |
| 255 var subpassesList = [ | |
| 256 VkSubpassDescription( | |
| 257 flags: VkSubpassDescriptionFlags(0), | |
| 258 pipelineBindPoint: VK_PIPELINE_BIND_POINT_GRAPHICS, | |
| 259 inputAttachmentCount: 0, | |
| 260 pInputAttachments: nil, | |
| 261 colorAttachmentCount: uint32(outputs.len), | |
| 262 pColorAttachments: outputs.ToCPointer, | |
| 263 pResolveAttachments: nil, | |
| 264 pDepthStencilAttachment: nil, | |
| 265 preserveAttachmentCount: 0, | |
| 266 pPreserveAttachments: nil, | |
| 267 ) | |
| 268 ] | |
| 269 | |
| 270 var createInfo = VkRenderPassCreateInfo( | |
| 271 sType: VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, | |
| 272 attachmentCount: uint32(attachments.len), | |
| 273 pAttachments: attachments.ToCPointer, | |
| 274 subpassCount: uint32(subpassesList.len), | |
| 275 pSubpasses: subpassesList.ToCPointer, | |
| 276 dependencyCount: uint32(dependencies.len), | |
| 277 pDependencies: dependencies.ToCPointer, | |
| 278 ) | |
| 279 checkVkResult device.vkCreateRenderPass(addr(createInfo), nil, addr(result)) | |
| 280 | |
| 1162 | 281 proc compileGlslToSPIRV(stage: VkShaderStageFlagBits, shaderSource: string): seq[uint32] {.compileTime.} = |
| 282 func stage2string(stage: VkShaderStageFlagBits): string {.compileTime.} = | |
| 283 case stage | |
| 284 of VK_SHADER_STAGE_VERTEX_BIT: "vert" | |
| 285 of VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT: "tesc" | |
| 286 of VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT: "tese" | |
| 287 of VK_SHADER_STAGE_GEOMETRY_BIT: "geom" | |
| 288 of VK_SHADER_STAGE_FRAGMENT_BIT: "frag" | |
| 289 of VK_SHADER_STAGE_COMPUTE_BIT: "comp" | |
| 290 else: "" | |
| 1161 | 291 |
| 1162 | 292 when defined(nimcheck): # will not run if nimcheck is running |
| 293 return result | |
| 294 | |
| 295 let | |
| 296 stagename = stage2string(stage) | |
| 297 shaderHash = hash(shaderSource) | |
| 298 shaderfile = getTempDir() / &"shader_{shaderHash}.{stagename}" | |
| 299 | |
| 300 if not shaderfile.fileExists: | |
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301 echo "shader of type ", stage |
| 1162 | 302 for i, line in enumerate(shaderSource.splitlines()): |
| 303 echo " ", i + 1, " ", line | |
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304 # var glslExe = currentSourcePath.parentDir.parentDir.parentDir / "tools" / "glslangValidator" |
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305 var glslExe = currentSourcePath.parentDir / "tools" / "glslangValidator" |
| 1162 | 306 when defined(windows): |
| 307 glslExe = glslExe & "." & ExeExt | |
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308 let command = &"{glslExe} --entry-point main -V --stdin -S {stagename} -o {shaderfile}" |
| 1162 | 309 echo "run: ", command |
| 310 discard StaticExecChecked( | |
| 311 command = command, | |
| 312 input = shaderSource | |
| 313 ) | |
| 314 else: | |
| 315 echo &"shaderfile {shaderfile} is up-to-date" | |
| 316 | |
| 317 when defined(mingw) and defined(linux): # required for crosscompilation, path separators get messed up | |
| 318 let shaderbinary = staticRead shaderfile.replace("\\", "/") | |
| 319 else: | |
| 320 let shaderbinary = staticRead shaderfile | |
| 321 | |
| 322 var i = 0 | |
| 323 while i < shaderbinary.len: | |
| 324 result.add( | |
| 325 (uint32(shaderbinary[i + 0]) shl 0) or | |
| 326 (uint32(shaderbinary[i + 1]) shl 8) or | |
| 327 (uint32(shaderbinary[i + 2]) shl 16) or | |
| 328 (uint32(shaderbinary[i + 3]) shl 24) | |
| 329 ) | |
| 330 i += 4 | |
| 331 | |
| 332 proc generateShaderSource[TShader](shader: TShader): (string, string) {.compileTime.} = | |
| 333 const GLSL_VERSION = "450" | |
| 334 var vsInput: seq[string] | |
| 335 var vsOutput: seq[string] | |
| 336 var fsInput: seq[string] | |
| 337 var fsOutput: seq[string] | |
| 338 var uniforms: seq[string] | |
| 339 var samplers: seq[string] | |
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340 var vsInputLocation = 0'u32 |
| 1162 | 341 var passLocation = 0 |
| 342 var fsOutputLocation = 0 | |
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343 var descriptorBinding = 0 |
| 1162 | 344 |
| 345 for fieldname, value in fieldPairs(shader): | |
| 346 # vertex shader inputs | |
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347 when hasCustomPragma(value, VertexAttribute) or hasCustomPragma(value, InstanceAttribute): |
| 1162 | 348 assert typeof(value) is SupportedGPUType |
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349 vsInput.add "layout(location = " & $vsInputLocation & ") in " & GlslType(value) & " " & fieldname & ";" |
| 1162 | 350 for j in 0 ..< NumberOfVertexInputAttributeDescriptors(value): |
| 351 vsInputLocation += NLocationSlots(value) | |
| 352 # intermediate values, passed between shaders | |
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353 elif hasCustomPragma(value, Pass) or hasCustomPragma(value, PassFlat): |
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354 let flat = if hasCustomPragma(value, PassFlat): "flat " else: "" |
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355 vsOutput.add "layout(location = " & $passLocation & ") " & flat & "out " & GlslType(value) & " " & fieldname & ";" |
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356 fsInput.add "layout(location = " & $passLocation & ") " & flat & "in " & GlslType(value) & " " & fieldname & ";" |
| 1162 | 357 passLocation.inc |
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358 elif hasCustomPragma(value, ShaderOutput): |
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359 fsOutput.add &"layout(location = " & $fsOutputLocation & ") out " & GlslType(value) & " " & fieldname & ";" |
| 1162 | 360 fsOutputLocation.inc |
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361 elif typeof(value) is Texture: |
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362 samplers.add "layout(binding = " & $descriptorBinding & ") uniform " & GlslType(value) & " " & fieldname & ";" |
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363 descriptorBinding.inc |
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364 elif typeof(value) is object: |
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365 # TODO |
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366 uniforms.add "" |
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367 descriptorBinding.inc |
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368 elif typeof(value) is array: |
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369 when elementType(value) is Texture: |
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370 let arrayDecl = "[" & $typeof(value).len & "]" |
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371 samplers.add "layout(binding = " & $descriptorBinding & ") uniform " & GlslType(default(elementType(value))) & " " & fieldname & "" & arrayDecl & ";" |
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372 descriptorBinding.inc |
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373 elif elementType(value) is object: |
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374 # TODO |
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375 let arrayDecl = "[" & $typeof(value).len & "]" |
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376 # uniforms.add "layout(binding = " & $descriptorBinding & ") uniform " & GlslType(elementType(value)) & " " & fieldname & "" & arrayDecl & ";" |
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377 descriptorBinding.inc |
| 1162 | 378 else: |
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379 {.error: "Unsupported shader field " & fieldname.} |
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380 elif fieldname in ["vertexCode", "fragmentCode"]: |
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381 discard |
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382 else: |
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383 {.error: "Unsupported shader field '" & tt.name(TShader) & "." & fieldname & "' of type " & tt.name(typeof(value)).} |
| 1162 | 384 |
| 385 result[0] = (@[&"#version {GLSL_VERSION}", "#extension GL_EXT_scalar_block_layout : require", ""] & | |
| 386 vsInput & | |
| 387 uniforms & | |
| 388 samplers & | |
| 389 vsOutput & | |
| 390 @[shader.vertexCode]).join("\n") | |
| 391 | |
| 392 result[1] = (@[&"#version {GLSL_VERSION}", "#extension GL_EXT_scalar_block_layout : require", ""] & | |
| 393 fsInput & | |
| 394 uniforms & | |
| 395 samplers & | |
| 396 fsOutput & | |
| 397 @[shader.fragmentCode]).join("\n") | |
| 398 | |
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399 proc CompileShader[TShader](device: VkDevice, shader: static TShader): ShaderObject[TShader] = |
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400 const (vertexShaderSource, fragmentShaderSource) = generateShaderSource(shader) |
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401 |
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402 let vertexBinary = compileGlslToSPIRV(VK_SHADER_STAGE_VERTEX_BIT, vertexShaderSource) |
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403 let fragmentBinary = compileGlslToSPIRV(VK_SHADER_STAGE_FRAGMENT_BIT, fragmentShaderSource) |
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404 |
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405 var createInfoVertex = VkShaderModuleCreateInfo( |
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406 sType: VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO, |
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407 codeSize: csize_t(vertexBinary.len * sizeof(uint32)), |
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408 pCode: vertexBinary.ToCPointer, |
| 1162 | 409 ) |
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410 checkVkResult device.vkCreateShaderModule(addr(createInfoVertex), nil, addr(result.vertexShader)) |
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411 var createInfoFragment = VkShaderModuleCreateInfo( |
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412 sType: VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO, |
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413 codeSize: csize_t(fragmentBinary.len * sizeof(uint32)), |
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414 pCode: fragmentBinary.ToCPointer, |
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415 ) |
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416 checkVkResult device.vkCreateShaderModule(addr(createInfoFragment), nil, addr(result.fragmentShader)) |
| 1162 | 417 |
| 418 | |
| 419 proc CreatePipeline*[TShader]( | |
| 1159 | 420 device: VkDevice, |
| 421 renderPass: VkRenderPass, | |
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422 shader: ShaderObject[TShader], |
| 1159 | 423 topology: VkPrimitiveTopology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, |
| 424 polygonMode: VkPolygonMode = VK_POLYGON_MODE_FILL, | |
| 425 cullMode: VkCullModeFlagBits = VK_CULL_MODE_BACK_BIT, | |
| 426 frontFace: VkFrontFace = VK_FRONT_FACE_CLOCKWISE, | |
| 1162 | 427 ): Pipeline[TShader] = |
| 1159 | 428 # assumptions/limitations: |
| 429 # - we are only using vertex and fragment shaders (2 stages) | |
| 430 # - we only support one subpass | |
| 1162 | 431 # = we only support one Uniform-Block |
| 1161 | 432 |
| 1164 | 433 # create pipeline |
| 1161 | 434 var layoutbindings: seq[VkDescriptorSetLayoutBinding] |
| 1173 | 435 ForDescriptorFields(default(TShader), descriptorType, descriptorCount, descriptorBindingNumber): |
| 1161 | 436 layoutbindings.add VkDescriptorSetLayoutBinding( |
| 437 binding: descriptorBindingNumber, | |
| 438 descriptorType: descriptorType, | |
| 439 descriptorCount: descriptorCount, | |
| 1162 | 440 stageFlags: VkShaderStageFlags(VK_SHADER_STAGE_ALL_GRAPHICS), |
| 1161 | 441 pImmutableSamplers: nil, |
| 442 ) | |
| 443 var layoutCreateInfo = VkDescriptorSetLayoutCreateInfo( | |
| 444 sType: VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, | |
| 445 bindingCount: uint32(layoutbindings.len), | |
| 446 pBindings: layoutbindings.ToCPointer | |
| 447 ) | |
| 448 var descriptorSetLayout: VkDescriptorSetLayout | |
| 1162 | 449 checkVkResult vkCreateDescriptorSetLayout(device, addr(layoutCreateInfo), nil, addr(descriptorSetLayout)) |
| 1161 | 450 let pipelineLayoutInfo = VkPipelineLayoutCreateInfo( |
| 451 sType: VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, | |
| 452 setLayoutCount: 1, | |
| 453 pSetLayouts: addr(descriptorSetLayout), | |
| 454 # pushConstantRangeCount: uint32(pushConstants.len), | |
| 455 # pPushConstantRanges: pushConstants.ToCPointer, | |
| 456 ) | |
| 457 checkVkResult vkCreatePipelineLayout(device, addr(pipelineLayoutInfo), nil, addr(result.layout)) | |
| 1159 | 458 |
| 459 let stages = [ | |
| 460 VkPipelineShaderStageCreateInfo( | |
| 461 sType: VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, | |
| 462 stage: VK_SHADER_STAGE_VERTEX_BIT, | |
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463 module: shader.vertexShader, |
| 1159 | 464 pName: "main", |
| 465 ), | |
| 466 VkPipelineShaderStageCreateInfo( | |
| 467 sType: VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, | |
| 468 stage: VK_SHADER_STAGE_FRAGMENT_BIT, | |
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469 module: shader.fragmentShader, |
| 1159 | 470 pName: "main", |
| 471 ), | |
| 472 ] | |
| 1162 | 473 var |
| 474 bindings: seq[VkVertexInputBindingDescription] | |
| 475 attributes: seq[VkVertexInputAttributeDescription] | |
| 1159 | 476 var inputBindingNumber = 0'u32 |
| 1162 | 477 var location = 0'u32 |
| 478 ForVertexDataFields(default(TShader), fieldname, value, isInstanceAttr): | |
| 1159 | 479 bindings.add VkVertexInputBindingDescription( |
| 480 binding: inputBindingNumber, | |
| 481 stride: sizeof(value).uint32, | |
| 482 inputRate: if isInstanceAttr: VK_VERTEX_INPUT_RATE_INSTANCE else: VK_VERTEX_INPUT_RATE_VERTEX, | |
| 483 ) | |
| 484 # allows to submit larger data structures like Mat44, for most other types will be 1 | |
| 485 let perDescriptorSize = sizeof(value).uint32 div NumberOfVertexInputAttributeDescriptors(value) | |
| 486 for i in 0'u32 ..< NumberOfVertexInputAttributeDescriptors(value): | |
| 487 attributes.add VkVertexInputAttributeDescription( | |
| 488 binding: inputBindingNumber, | |
| 1162 | 489 location: location, |
| 1159 | 490 format: VkType(value), |
| 491 offset: i * perDescriptorSize, | |
| 492 ) | |
| 1162 | 493 location += NLocationSlots(value) |
| 1159 | 494 inc inputBindingNumber |
| 495 | |
| 496 let | |
| 497 vertexInputInfo = VkPipelineVertexInputStateCreateInfo( | |
| 498 sType: VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO, | |
| 499 vertexBindingDescriptionCount: uint32(bindings.len), | |
| 500 pVertexBindingDescriptions: bindings.ToCPointer, | |
| 501 vertexAttributeDescriptionCount: uint32(attributes.len), | |
| 502 pVertexAttributeDescriptions: attributes.ToCPointer, | |
| 503 ) | |
| 504 inputAssembly = VkPipelineInputAssemblyStateCreateInfo( | |
| 505 sType: VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO, | |
| 506 topology: topology, | |
| 507 primitiveRestartEnable: false, | |
| 508 ) | |
| 509 viewportState = VkPipelineViewportStateCreateInfo( | |
| 510 sType: VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO, | |
| 511 viewportCount: 1, | |
| 512 scissorCount: 1, | |
| 513 ) | |
| 514 rasterizer = VkPipelineRasterizationStateCreateInfo( | |
| 515 sType: VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO, | |
| 516 depthClampEnable: VK_FALSE, | |
| 517 rasterizerDiscardEnable: VK_FALSE, | |
| 518 polygonMode: polygonMode, | |
| 519 lineWidth: 1.0, | |
| 520 cullMode: toBits [cullMode], | |
| 521 frontFace: frontFace, | |
| 522 depthBiasEnable: VK_FALSE, | |
| 523 depthBiasConstantFactor: 0.0, | |
| 524 depthBiasClamp: 0.0, | |
| 525 depthBiasSlopeFactor: 0.0, | |
| 526 ) | |
| 527 multisampling = VkPipelineMultisampleStateCreateInfo( | |
| 528 sType: VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO, | |
| 529 sampleShadingEnable: VK_FALSE, | |
| 530 rasterizationSamples: VK_SAMPLE_COUNT_1_BIT, | |
| 531 minSampleShading: 1.0, | |
| 532 pSampleMask: nil, | |
| 533 alphaToCoverageEnable: VK_FALSE, | |
| 534 alphaToOneEnable: VK_FALSE, | |
| 535 ) | |
| 536 colorBlendAttachment = VkPipelineColorBlendAttachmentState( | |
| 537 colorWriteMask: toBits [VK_COLOR_COMPONENT_R_BIT, VK_COLOR_COMPONENT_G_BIT, VK_COLOR_COMPONENT_B_BIT, VK_COLOR_COMPONENT_A_BIT], | |
| 538 blendEnable: VK_TRUE, | |
| 539 srcColorBlendFactor: VK_BLEND_FACTOR_SRC_ALPHA, | |
| 540 dstColorBlendFactor: VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA, | |
| 541 colorBlendOp: VK_BLEND_OP_ADD, | |
| 542 srcAlphaBlendFactor: VK_BLEND_FACTOR_ONE, | |
| 543 dstAlphaBlendFactor: VK_BLEND_FACTOR_ZERO, | |
| 544 alphaBlendOp: VK_BLEND_OP_ADD, | |
| 545 ) | |
| 546 colorBlending = VkPipelineColorBlendStateCreateInfo( | |
| 547 sType: VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO, | |
| 548 logicOpEnable: false, | |
| 549 attachmentCount: 1, | |
| 550 pAttachments: addr(colorBlendAttachment), | |
| 551 ) | |
| 552 dynamicStates = [VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR] | |
| 553 dynamicState = VkPipelineDynamicStateCreateInfo( | |
| 554 sType: VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO, | |
| 555 dynamicStateCount: dynamicStates.len.uint32, | |
| 556 pDynamicStates: dynamicStates.ToCPointer, | |
| 557 ) | |
| 558 let createInfo = VkGraphicsPipelineCreateInfo( | |
| 559 sType: VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO, | |
| 560 stageCount: 2, | |
| 1162 | 561 pStages: stages.ToCPointer, |
| 1159 | 562 pVertexInputState: addr(vertexInputInfo), |
| 563 pInputAssemblyState: addr(inputAssembly), | |
| 564 pViewportState: addr(viewportState), | |
| 565 pRasterizationState: addr(rasterizer), | |
| 566 pMultisampleState: addr(multisampling), | |
| 567 pDepthStencilState: nil, | |
| 568 pColorBlendState: addr(colorBlending), | |
| 569 pDynamicState: addr(dynamicState), | |
| 570 layout: result.layout, | |
| 571 renderPass: renderPass, | |
| 572 subpass: 0, | |
| 573 basePipelineHandle: VkPipeline(0), | |
| 574 basePipelineIndex: -1, | |
| 575 ) | |
| 576 checkVkResult vkCreateGraphicsPipelines( | |
| 577 device, | |
| 578 VkPipelineCache(0), | |
| 579 1, | |
| 580 addr(createInfo), | |
| 581 nil, | |
| 582 addr(result.pipeline) | |
| 583 ) | |
| 584 | |
| 1164 | 585 # create descriptors, one per frame-in-flight |
| 586 let nSamplers = 0'u32 | |
| 587 let nUniformBuffers = 0'u32 | |
| 588 | |
| 589 if nSamplers + nUniformBuffers > 0: | |
| 590 var poolSizes: seq[VkDescriptorPoolSize] | |
| 591 if nUniformBuffers > 0: | |
| 1165 | 592 poolSizes.add VkDescriptorPoolSize(thetype: VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, descriptorCount: nSamplers * INFLIGHTFRAMES) |
| 1164 | 593 if nSamplers > 0: |
| 1165 | 594 poolSizes.add VkDescriptorPoolSize(thetype: VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, descriptorCount: nUniformBuffers * INFLIGHTFRAMES) |
| 1164 | 595 var poolInfo = VkDescriptorPoolCreateInfo( |
| 596 sType: VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO, | |
| 597 poolSizeCount: uint32(poolSizes.len), | |
| 598 pPoolSizes: poolSizes.ToCPointer, | |
| 1165 | 599 maxSets: (nUniformBuffers + nSamplers) * INFLIGHTFRAMES * 2, # good formula? no idea... |
| 1164 | 600 ) |
| 601 var pool: VkDescriptorPool | |
| 602 checkVkResult vkCreateDescriptorPool(device, addr(poolInfo), nil, addr(pool)) | |
| 603 | |
| 604 var layouts = newSeqWith(result.descriptorSets.len, descriptorSetLayout) | |
| 605 var allocInfo = VkDescriptorSetAllocateInfo( | |
| 606 sType: VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO, | |
| 607 descriptorPool: pool, | |
| 608 descriptorSetCount: uint32(layouts.len), | |
| 609 pSetLayouts: layouts.ToCPointer, | |
| 610 ) | |
| 611 checkVkResult vkAllocateDescriptorSets(device, addr(allocInfo), result.descriptorSets.ToCPointer) | |
| 612 | |
| 1173 | 613 proc WriteDescriptors[TShader](device: VkDevice, pipeline: Pipeline[TShader]) = |
| 1165 | 614 var descriptorSetWrites: seq[VkWriteDescriptorSet] |
| 1173 | 615 ForDescriptorFields(default(TShader), descriptorType, descriptorCount, descriptorBindingNumber): |
| 616 for frameInFlight in 0 ..< pipeline.descriptorSets.len: | |
| 617 if descriptorType == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER: | |
| 618 # TODO | |
| 619 let bufferInfo = VkDescriptorBufferInfo( | |
| 620 buffer: VkBuffer(0), | |
| 621 offset: 0, | |
| 622 range: 1, | |
| 623 ) | |
| 624 descriptorSetWrites.add VkWriteDescriptorSet( | |
| 625 sType: VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, | |
| 626 dstSet: pipeline.descriptorSets[frameInFlight], | |
| 627 dstBinding: descriptorBindingNumber, | |
| 628 dstArrayElement: uint32(0), | |
| 629 descriptorType: descriptorType, | |
| 630 descriptorCount: descriptorCount, | |
| 631 pImageInfo: nil, | |
| 632 pBufferInfo: addr(bufferInfo), | |
| 633 ) | |
| 634 elif descriptorType == VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER: | |
| 635 # TODO | |
| 636 let imageInfo = VkDescriptorImageInfo( | |
| 637 sampler: VkSampler(0), | |
| 638 imageView: VkImageView(0), | |
| 639 imageLayout: VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, | |
| 640 ) | |
| 641 descriptorSetWrites.add VkWriteDescriptorSet( | |
| 642 sType: VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, | |
| 643 dstSet: pipeline.descriptorSets[frameInFlight], | |
| 644 dstBinding: descriptorBindingNumber, | |
| 645 dstArrayElement: uint32(0), | |
| 646 descriptorType: descriptorType, | |
| 647 descriptorCount: descriptorCount, | |
| 648 pImageInfo: addr(imageInfo), | |
| 649 pBufferInfo: nil, | |
| 650 ) | |
| 651 vkUpdateDescriptorSets(device, uint32(descriptorSetWrites.len), descriptorSetWrites.ToCPointer, 0, nil) | |
| 1165 | 652 |
| 1161 | 653 proc CreateRenderable[TMesh, TInstance]( |
| 654 mesh: TMesh, | |
| 655 instance: TInstance, | |
| 656 buffers: RenderBuffers, | |
| 657 ): Renderable[TMesh, TInstance] = | |
| 658 result.indexType = None | |
| 1159 | 659 |
| 1172 | 660 proc Bind[T](pipeline: Pipeline[T], commandBuffer: VkCommandBuffer, currentFrameInFlight: int) = |
| 661 let a = pipeline.descriptorSets | |
| 1159 | 662 commandBuffer.vkCmdBindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline.pipeline) |
| 1172 | 663 if a[currentFrameInFlight] != VkDescriptorSet(0): |
| 1164 | 664 commandBuffer.vkCmdBindDescriptorSets( |
| 665 VK_PIPELINE_BIND_POINT_GRAPHICS, | |
| 666 pipeline.layout, | |
| 667 0, | |
| 668 1, | |
| 669 addr pipeline.descriptorSets[currentFrameInFlight], | |
| 670 0, | |
| 671 nil, | |
| 672 ) | |
| 1161 | 673 |
| 1162 | 674 proc AssertCompatible(TShader, TMesh, TInstance, TGlobals: typedesc) = |
| 675 # assert seq-fields of TMesh|TInstance == seq-fields of TShader | |
| 1161 | 676 # assert normal fields of TMesh|Globals == normal fields of TShaderDescriptors |
| 1162 | 677 for inputName, inputValue in default(TShader).fieldPairs: |
| 1161 | 678 var foundField = false |
| 679 when hasCustomPragma(inputValue, VertexAttribute): | |
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680 assert typeof(inputValue) is SupportedGPUType |
| 1161 | 681 for meshName, meshValue in default(TMesh).fieldPairs: |
| 682 when meshName == inputName: | |
| 1162 | 683 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
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684 assert elementType(meshValue) is typeof(inputValue), "Shader input " & tt.name(TShader) & "." & inputName & " is of type '" & tt.name(typeof(inputValue)) & "' but mesh attribute is of type '" & tt.name(elementType(meshValue)) & "'" |
| 1161 | 685 foundField = true |
| 1162 | 686 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TMesh) & "'" |
| 1161 | 687 elif hasCustomPragma(inputValue, InstanceAttribute): |
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688 assert typeof(inputValue) is SupportedGPUType |
| 1161 | 689 for instanceName, instanceValue in default(TInstance).fieldPairs: |
| 690 when instanceName == inputName: | |
| 1162 | 691 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
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692 assert elementType(instanceValue) is typeof(inputValue), "Shader input " & tt.name(TShader) & "." & inputName & " is of type '" & tt.name(typeof(inputValue)) & "' but instance attribute is of type '" & tt.name(elementType(instanceValue)) & "'" |
| 1161 | 693 foundField = true |
| 1162 | 694 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TInstance) & "'" |
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695 elif typeof(inputValue) is Texture or typeof(inputValue) is object: |
| 1161 | 696 for meshName, meshValue in default(TMesh).fieldPairs: |
| 697 when meshName == inputName: | |
| 1162 | 698 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
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699 assert typeof(meshValue) is typeof(inputValue), "Shader input " & tt.name(TShader) & "." & inputName & " is of type '" & tt.name(typeof(inputValue)) & "' but mesh attribute is of type '" & tt.name(elementType(meshValue)) & "'" |
| 1161 | 700 foundField = true |
| 701 for globalName, globalValue in default(TGlobals).fieldPairs: | |
| 702 when globalName == inputName: | |
| 1162 | 703 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 704 assert typeof(globalValue) is typeof(inputValue), "Shader input " & tt.name(TShader) & "." & inputName & " is of type '" & tt.name(typeof(inputValue)) & "' but global attribute is of type '" & tt.name(typeof(globalValue)) & "'" | |
| 1161 | 705 foundField = true |
| 1162 | 706 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TMesh) & "|" & tt.name(TGlobals) & "'" |
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707 elif typeof(inputValue) is array: |
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708 when (elementType(inputValue) is Texture or elementType(inputValue) is object): |
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709 for meshName, meshValue in default(TMesh).fieldPairs: |
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710 when meshName == inputName: |
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711 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
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712 assert typeof(meshValue) is typeof(inputValue), "Shader input " & tt.name(TShader) & "." & inputName & " is of type '" & tt.name(typeof(inputValue)) & "' but mesh attribute is of type '" & tt.name(elementType(meshValue)) & "'" |
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713 foundField = true |
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714 for globalName, globalValue in default(TGlobals).fieldPairs: |
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715 when globalName == inputName: |
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716 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
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717 assert typeof(globalValue) is typeof(inputValue), "Shader input " & tt.name(TShader) & "." & inputName & " is of type '" & tt.name(typeof(inputValue)) & "' but global attribute is of type '" & tt.name(typeof(globalValue)) & "'" |
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718 foundField = true |
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719 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TMesh) & "|" & tt.name(TGlobals) & "'" |
| 1161 | 720 |
| 721 | |
| 1162 | 722 proc Render[TShader, TMesh, TInstance, TGlobals]( |
| 723 pipeline: Pipeline[TShader], | |
| 1161 | 724 renderable: Renderable[TMesh, TInstance], |
| 725 globals: TGlobals, | |
| 726 commandBuffer: VkCommandBuffer, | |
| 727 ) = | |
| 1164 | 728 static: AssertCompatible(TShader, TMesh, TInstance, TGlobals) |
| 729 if renderable.vertexBuffers.len > 0: | |
| 730 commandBuffer.vkCmdBindVertexBuffers( | |
| 731 firstBinding = 0'u32, | |
| 732 bindingCount = uint32(renderable.vertexBuffers.len), | |
| 733 pBuffers = renderable.vertexBuffers.ToCPointer(), | |
| 734 pOffsets = renderable.bufferOffsets.ToCPointer() | |
| 735 ) | |
| 1161 | 736 if renderable.indexType != None: |
| 1159 | 737 commandBuffer.vkCmdBindIndexBuffer( |
| 738 renderable.indexBuffer, | |
| 739 renderable.indexBufferOffset, | |
| 1161 | 740 renderable.indexType, |
| 1159 | 741 ) |
| 742 commandBuffer.vkCmdDrawIndexed( | |
| 1161 | 743 indexCount = renderable.indexCount, |
| 744 instanceCount = renderable.instanceCount, | |
| 1159 | 745 firstIndex = 0, |
| 746 vertexOffset = 0, | |
| 747 firstInstance = 0 | |
| 748 ) | |
| 749 else: | |
| 750 commandBuffer.vkCmdDraw( | |
| 1161 | 751 vertexCount = renderable.vertexCount, |
| 752 instanceCount = renderable.instanceCount, | |
| 1159 | 753 firstVertex = 0, |
| 754 firstInstance = 0 | |
| 755 ) | |
| 1161 | 756 |
| 757 when isMainModule: | |
| 1162 | 758 import semicongine/platform/window |
| 759 import semicongine/vulkan/instance | |
| 760 import semicongine/vulkan/device | |
| 761 import semicongine/vulkan/physicaldevice | |
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762 import std/options |
| 1162 | 763 |
| 1161 | 764 type |
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765 MaterialA = object |
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766 reflection: float32 |
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767 baseColor: Vec3f |
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768 ShaderSettings = object |
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769 brightness: float32 |
| 1161 | 770 MeshA = object |
| 771 position: seq[Vec3f] | |
| 772 transparency: float | |
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773 material: array[3, MaterialA] |
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774 materialTextures: array[3, Texture] |
| 1161 | 775 InstanceA = object |
| 776 transform: seq[Mat4] | |
| 777 position: seq[Vec3f] | |
| 778 Globals = object | |
| 1162 | 779 fontAtlas: Texture |
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780 settings: ShaderSettings |
| 1161 | 781 |
| 1162 | 782 ShaderA = object |
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783 # vertex input |
| 1161 | 784 position {.VertexAttribute.}: Vec3f |
| 785 transform {.InstanceAttribute.}: Mat4 | |
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786 # intermediate |
| 1162 | 787 test {.Pass.}: float32 |
| 788 test1 {.PassFlat.}: Vec3f | |
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789 # output |
| 1162 | 790 color {.ShaderOutput.}: Vec4f |
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791 # uniforms |
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792 material: array[3, MaterialA] |
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793 settings: ShaderSettings |
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794 # textures |
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795 fontAtlas: Texture |
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796 materialTextures: array[3, Texture] |
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797 # code |
| 1162 | 798 vertexCode: string = "void main() {}" |
| 799 fragmentCode: string = "void main() {}" | |
| 1161 | 800 |
| 1162 | 801 let w = CreateWindow("test2") |
| 802 putEnv("VK_LAYER_ENABLES", "VALIDATION_CHECK_ENABLE_VENDOR_SPECIFIC_AMD,VALIDATION_CHECK_ENABLE_VENDOR_SPECIFIC_NVIDIA,VK_VALIDATION_FEATURE_ENABLE_SYNCHRONIZATION_VALIDATION_EXTVK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_EXT,VK_VALIDATION_FEATURE_ENABLE_SYNCHRONIZATION_VALIDATION_EXT") | |
| 803 let i = w.CreateInstance( | |
| 804 vulkanVersion = VK_MAKE_API_VERSION(0, 1, 3, 0), | |
| 805 instanceExtensions = @[], | |
| 806 layers = @["VK_LAYER_KHRONOS_validation"], | |
| 807 ) | |
| 808 | |
| 809 | |
| 810 let selectedPhysicalDevice = i.GetPhysicalDevices().FilterBestGraphics() | |
| 1173 | 811 let dev = i.CreateDevice( |
| 1162 | 812 selectedPhysicalDevice, |
| 813 enabledExtensions = @[], | |
| 814 selectedPhysicalDevice.FilterForGraphicsPresentationQueues() | |
| 815 ) | |
| 1173 | 816 let frameWidth = 100'u32 |
| 817 let frameHeight = 100'u32 | |
| 1162 | 818 |
| 1173 | 819 var myRenderable: Renderable[MeshA, InstanceA] |
| 820 var myGlobals: Globals | |
| 821 | |
| 822 # setup for rendering (TODO: swapchain & framebuffers) | |
| 823 | |
| 824 # renderpass | |
| 825 let renderpass = dev.vk.CreateRenderPass(dev.physicalDevice.GetSurfaceFormats().FilterSurfaceFormat().format) | |
| 826 | |
| 827 # shaders | |
| 828 const shader = ShaderA() | |
| 829 let shaderObject = dev.vk.CompileShader(shader) | |
| 830 var pipeline1 = CreatePipeline(dev.vk, renderPass = renderpass, shaderObject) | |
| 831 | |
| 832 # TODO: probably here: allocate renderables, uniform buffers & textures | |
| 1161 | 833 |
| 1173 | 834 # descriptors |
| 835 WriteDescriptors(dev.vk, pipeline1) | |
| 836 | |
| 837 # command buffer | |
| 838 var | |
| 839 commandBufferPool: VkCommandPool | |
| 840 cmdBuffers: array[INFLIGHTFRAMES.int, VkCommandBuffer] | |
| 841 createInfo = VkCommandPoolCreateInfo( | |
| 842 sType: VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO, | |
| 843 flags: toBits [VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT], | |
| 844 queueFamilyIndex: dev.FirstGraphicsQueue().get().family.index, | |
| 845 ) | |
| 846 checkVkResult vkCreateCommandPool(dev.vk, addr createInfo, nil, addr commandBufferPool) | |
| 847 var allocInfo = VkCommandBufferAllocateInfo( | |
| 848 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO, | |
| 849 commandPool: commandBufferPool, | |
| 850 level: VK_COMMAND_BUFFER_LEVEL_PRIMARY, | |
| 851 commandBufferCount: INFLIGHTFRAMES, | |
| 852 ) | |
| 853 checkVkResult vkAllocateCommandBuffers(dev.vk, addr allocInfo, cmdBuffers.ToCPointer) | |
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854 |
| 1173 | 855 # start command buffer |
| 856 block: | |
| 857 let | |
| 858 currentFramebuffer = VkFramebuffer(0) # TODO | |
| 859 currentFrameInFlight = 1 | |
| 860 cmd = cmdBuffers[currentFrameInFlight] | |
| 861 beginInfo = VkCommandBufferBeginInfo( | |
| 862 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, | |
| 863 flags: VkCommandBufferUsageFlags(VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT), | |
| 864 ) | |
| 865 checkVkResult cmd.vkResetCommandBuffer(VkCommandBufferResetFlags(0)) | |
| 866 checkVkResult cmd.vkBeginCommandBuffer(addr(beginInfo)) | |
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1163
438d32d8b14f
add: more static compilation stuff, code is getting a bit crazy, but also super nice API
sam <sam@basx.dev>
parents:
1162
diff
changeset
|
867 |
| 1173 | 868 # start renderpass |
| 869 block: | |
| 870 var | |
| 871 clearColors = [VkClearValue(color: VkClearColorValue(float32: [0, 0, 0, 0]))] | |
| 872 renderPassInfo = VkRenderPassBeginInfo( | |
| 873 sType: VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO, | |
| 874 renderPass: renderpass, | |
| 875 framebuffer: currentFramebuffer, | |
| 876 renderArea: VkRect2D( | |
| 877 offset: VkOffset2D(x: 0, y: 0), | |
| 878 extent: VkExtent2D(width: frameWidth, height: frameHeight), | |
| 879 ), | |
| 880 clearValueCount: uint32(clearColors.len), | |
| 881 pClearValues: clearColors.ToCPointer(), | |
| 882 ) | |
| 883 viewport = VkViewport( | |
| 884 x: 0.0, | |
| 885 y: 0.0, | |
| 886 width: frameWidth.float32, | |
| 887 height: frameHeight.float32, | |
| 888 minDepth: 0.0, | |
| 889 maxDepth: 1.0, | |
| 890 ) | |
| 891 scissor = VkRect2D( | |
| 892 offset: VkOffset2D(x: 0, y: 0), | |
| 893 extent: VkExtent2D(width: frameWidth, height: frameHeight) | |
| 894 ) | |
| 895 vkCmdBeginRenderPass(cmd, addr(renderPassInfo), VK_SUBPASS_CONTENTS_INLINE) | |
|
1163
438d32d8b14f
add: more static compilation stuff, code is getting a bit crazy, but also super nice API
sam <sam@basx.dev>
parents:
1162
diff
changeset
|
896 |
| 1173 | 897 # setup viewport |
| 898 vkCmdSetViewport(cmd, firstViewport = 0, viewportCount = 1, addr(viewport)) | |
| 899 vkCmdSetScissor(cmd, firstScissor = 0, scissorCount = 1, addr(scissor)) | |
| 900 | |
| 901 # bind pipeline, will be loop | |
| 902 block: | |
| 903 Bind(pipeline1, cmd, currentFrameInFlight = currentFrameInFlight) | |
| 904 | |
| 905 # render object, will be loop | |
| 906 block: | |
| 907 Render(pipeline1, myRenderable, myGlobals, cmd) | |
| 908 | |
| 909 vkCmdEndRenderPass(cmd) | |
| 910 checkVkResult cmd.vkEndCommandBuffer() |