Mercurial > games > semicongine
annotate static_utils.nim @ 1177:4ef959278451 compiletime-tests
sync from bedroom to office
| author | sam <sam@basx.dev> |
|---|---|
| date | Sun, 30 Jun 2024 06:40:33 +0700 |
| parents | 511c9f7cd1da |
| children | ec4ff70299f2 |
| 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.} | |
| 1177 | 22 template VertexIndices*{.pragma.} |
| 1159 | 23 |
| 1165 | 24 const INFLIGHTFRAMES = 2'u32 |
| 1177 | 25 const MEMORY_ALIGNMENT = 65536'u64 # Align buffers inside memory along this alignment |
| 26 const BUFFERALIGNMENT = 64'u64 # align offsets inside buffers along this alignment | |
| 1176 | 27 |
| 1159 | 28 type |
| 29 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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30 ShaderObject*[TShader] = object |
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31 vertexShader: VkShaderModule |
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32 fragmentShader: VkShaderModule |
| 1159 | 33 |
| 34 func VkType[T: SupportedGPUType](value: T): VkFormat = | |
| 35 when T is float32: VK_FORMAT_R32_SFLOAT | |
| 36 elif T is float64: VK_FORMAT_R64_SFLOAT | |
| 37 elif T is int8: VK_FORMAT_R8_SINT | |
| 38 elif T is int16: VK_FORMAT_R16_SINT | |
| 39 elif T is int32: VK_FORMAT_R32_SINT | |
| 40 elif T is int64: VK_FORMAT_R64_SINT | |
| 41 elif T is uint8: VK_FORMAT_R8_UINT | |
| 42 elif T is uint16: VK_FORMAT_R16_UINT | |
| 43 elif T is uint32: VK_FORMAT_R32_UINT | |
| 44 elif T is uint64: VK_FORMAT_R64_UINT | |
| 45 elif T is TVec2[int32]: VK_FORMAT_R32G32_SINT | |
| 46 elif T is TVec2[int64]: VK_FORMAT_R64G64_SINT | |
| 47 elif T is TVec3[int32]: VK_FORMAT_R32G32B32_SINT | |
| 48 elif T is TVec3[int64]: VK_FORMAT_R64G64B64_SINT | |
| 49 elif T is TVec4[int32]: VK_FORMAT_R32G32B32A32_SINT | |
| 50 elif T is TVec4[int64]: VK_FORMAT_R64G64B64A64_SINT | |
| 51 elif T is TVec2[uint32]: VK_FORMAT_R32G32_UINT | |
| 52 elif T is TVec2[uint64]: VK_FORMAT_R64G64_UINT | |
| 53 elif T is TVec3[uint32]: VK_FORMAT_R32G32B32_UINT | |
| 54 elif T is TVec3[uint64]: VK_FORMAT_R64G64B64_UINT | |
| 55 elif T is TVec4[uint32]: VK_FORMAT_R32G32B32A32_UINT | |
| 56 elif T is TVec4[uint64]: VK_FORMAT_R64G64B64A64_UINT | |
| 57 elif T is TVec2[float32]: VK_FORMAT_R32G32_SFLOAT | |
| 58 elif T is TVec2[float64]: VK_FORMAT_R64G64_SFLOAT | |
| 59 elif T is TVec3[float32]: VK_FORMAT_R32G32B32_SFLOAT | |
| 60 elif T is TVec3[float64]: VK_FORMAT_R64G64B64_SFLOAT | |
| 61 elif T is TVec4[float32]: VK_FORMAT_R32G32B32A32_SFLOAT | |
| 62 elif T is TVec4[float64]: VK_FORMAT_R64G64B64A64_SFLOAT | |
| 1162 | 63 elif T is TMat2[float32]: VK_FORMAT_R32G32_SFLOAT |
| 64 elif T is TMat2[float64]: VK_FORMAT_R64G64_SFLOAT | |
| 65 elif T is TMat23[float32]: VK_FORMAT_R32G32B32_SFLOAT | |
| 66 elif T is TMat23[float64]: VK_FORMAT_R64G64B64_SFLOAT | |
| 67 elif T is TMat32[float32]: VK_FORMAT_R32G32_SFLOAT | |
| 68 elif T is TMat32[float64]: VK_FORMAT_R64G64_SFLOAT | |
| 69 elif T is TMat3[float32]: VK_FORMAT_R32G32B32_SFLOAT | |
| 70 elif T is TMat3[float64]: VK_FORMAT_R64G64B64_SFLOAT | |
| 71 elif T is TMat34[float32]: VK_FORMAT_R32G32B32A32_SFLOAT | |
| 72 elif T is TMat34[float64]: VK_FORMAT_R64G64B64A64_SFLOAT | |
| 73 elif T is TMat43[float32]: VK_FORMAT_R32G32B32_SFLOAT | |
| 74 elif T is TMat43[float64]: VK_FORMAT_R64G64B64_SFLOAT | |
| 75 elif T is TMat4[float32]: VK_FORMAT_R32G32B32A32_SFLOAT | |
| 76 elif T is TMat4[float64]: VK_FORMAT_R64G64B64A64_SFLOAT | |
| 77 else: {.error: "Unsupported data type on GPU".} | |
| 78 | |
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79 func GlslType[T: SupportedGPUType|Texture](value: T): string = |
| 1162 | 80 when T is float32: "float" |
| 81 elif T is float64: "double" | |
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82 elif T is int8 or T is int16 or T is int32 or T is int64: "int" |
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83 elif T is uint8 or T is uint16 or T is uint32 or T is uint64: "uint" |
| 1162 | 84 elif T is TVec2[int32]: "ivec2" |
| 85 elif T is TVec2[int64]: "ivec2" | |
| 86 elif T is TVec3[int32]: "ivec3" | |
| 87 elif T is TVec3[int64]: "ivec3" | |
| 88 elif T is TVec4[int32]: "ivec4" | |
| 89 elif T is TVec4[int64]: "ivec4" | |
| 90 elif T is TVec2[uint32]: "uvec2" | |
| 91 elif T is TVec2[uint64]: "uvec2" | |
| 92 elif T is TVec3[uint32]: "uvec3" | |
| 93 elif T is TVec3[uint64]: "uvec3" | |
| 94 elif T is TVec4[uint32]: "uvec4" | |
| 95 elif T is TVec4[uint64]: "uvec4" | |
| 96 elif T is TVec2[float32]: "vec2" | |
| 97 elif T is TVec2[float64]: "dvec2" | |
| 98 elif T is TVec3[float32]: "vec3" | |
| 99 elif T is TVec3[float64]: "dvec3" | |
| 100 elif T is TVec4[float32]: "vec4" | |
| 101 elif T is TVec4[float64]: "dvec4" | |
| 102 elif T is TMat2[float32]: "mat2" | |
| 103 elif T is TMat2[float64]: "dmat2" | |
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104 elif T is TMat23[float32]: "mat23" |
| 1162 | 105 elif T is TMat23[float64]: "dmat23" |
| 106 elif T is TMat32[float32]: "mat32" | |
| 107 elif T is TMat32[float64]: "dmat32" | |
| 108 elif T is TMat3[float32]: "mat3" | |
| 109 elif T is TMat3[float64]: "dmat3" | |
| 110 elif T is TMat34[float32]: "mat34" | |
| 111 elif T is TMat34[float64]: "dmat34" | |
| 112 elif T is TMat43[float32]: "mat43" | |
| 113 elif T is TMat43[float64]: "dmat43" | |
| 114 elif T is TMat4[float32]: "mat4" | |
| 115 elif T is TMat4[float64]: "dmat4" | |
| 116 elif T is Texture: "sampler2D" | |
| 1159 | 117 else: {.error: "Unsupported data type on GPU".} |
| 118 | |
| 1161 | 119 template ForVertexDataFields*(inputData: typed, fieldname, valuename, isinstancename, body: untyped): untyped = |
| 1159 | 120 for theFieldname, value in fieldPairs(inputData): |
| 1161 | 121 when hasCustomPragma(value, VertexAttribute) or hasCustomPragma(value, InstanceAttribute): |
| 1159 | 122 when not typeof(value) is seq: |
| 123 {.error: "field '" & theFieldname & "' needs to be a seq".} | |
| 124 when not typeof(value) is SupportedGPUType: | |
| 125 {.error: "field '" & theFieldname & "' is not a supported GPU type".} | |
| 126 block: | |
| 127 let `fieldname` {.inject.} = theFieldname | |
| 1162 | 128 let `valuename` {.inject.} = value |
| 129 let `isinstancename` {.inject.} = hasCustomPragma(value, InstanceAttribute) | |
| 1159 | 130 body |
| 131 | |
| 1176 | 132 template ForDescriptorFields*(inputData: typed, fieldname, typename, countname, bindingNumber, body: untyped): untyped = |
| 1173 | 133 var `bindingNumber` {.inject.} = 1'u32 |
| 1161 | 134 for theFieldname, value in fieldPairs(inputData): |
| 1176 | 135 let `fieldname` {.inject.} = theFieldname |
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136 when typeof(value) is Texture: |
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137 block: |
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138 let `typename` {.inject.} = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER |
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139 let `countname` {.inject.} = 1'u32 |
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140 body |
| 1173 | 141 `bindingNumber`.inc |
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142 elif typeof(value) is object: |
| 1161 | 143 block: |
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144 let `typename` {.inject.} = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER |
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145 let `countname` {.inject.} = 1'u32 |
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146 body |
| 1173 | 147 `bindingNumber`.inc |
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148 elif typeof(value) is array: |
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149 when elementType(value) is Texture: |
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150 block: |
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151 let `typename` {.inject.} = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER |
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152 let `countname` {.inject.} = uint32(typeof(value).len) |
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153 body |
| 1173 | 154 `bindingNumber`.inc |
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155 elif elementType(value) is object: |
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156 block: |
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157 let `typename` {.inject.} = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER |
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158 let `countname` {.inject.} = uint32(typeof(value).len) |
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159 body |
| 1173 | 160 `bindingNumber`.inc |
| 1161 | 161 |
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162 func NumberOfVertexInputAttributeDescriptors[T: SupportedGPUType|Texture](value: T): uint32 = |
| 1159 | 163 when T is TMat2[float32] or T is TMat2[float64] or T is TMat23[float32] or T is TMat23[float64]: |
| 164 2 | |
| 165 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]: | |
| 166 3 | |
| 167 elif T is TMat43[float32] or T is TMat43[float64] or T is TMat4[float32] or T is TMat4[float64]: | |
| 168 4 | |
| 169 else: | |
| 170 1 | |
| 171 | |
| 1162 | 172 func NLocationSlots[T: SupportedGPUType|Texture](value: T): uint32 = |
| 1159 | 173 #[ |
| 174 single location: | |
| 1162 | 175 - any scalar |
| 176 - any 16-bit vector | |
| 177 - any 32-bit vector | |
| 178 - any 64-bit vector that has max. 2 components | |
| 1159 | 179 16-bit scalar and vector types, and |
| 180 32-bit scalar and vector types, and | |
| 181 64-bit scalar and 2-component vector types. | |
| 182 two locations | |
| 183 64-bit three- and four-component vectors | |
| 184 ]# | |
| 1162 | 185 when T is TVec3[int64] or |
| 186 T is TVec4[int64] or | |
| 187 T is TVec3[uint64] or | |
| 188 T is TVec4[uint64] or | |
| 189 T is TVec3[float64] or | |
| 190 T is TVec4[float64] or | |
| 191 T is TMat23[float64] or | |
| 192 T is TMat3[float64] or | |
| 193 T is TMat34[float64] or | |
| 194 T is TMat43[float64] or | |
| 195 T is TMat4[float64]: | |
| 1159 | 196 return 2 |
| 197 else: | |
| 198 return 1 | |
| 199 | |
| 200 type | |
| 1161 | 201 IndexType = enum |
| 202 None, UInt8, UInt16, UInt32 | |
| 1176 | 203 |
| 204 IndirectGPUMemory = object | |
| 205 vk: VkDeviceMemory | |
| 206 size: uint64 | |
| 1177 | 207 needsTransfer: bool # usually true |
| 1176 | 208 DirectGPUMemory = object |
| 209 vk: VkDeviceMemory | |
| 210 size: uint64 | |
| 211 data: pointer | |
| 1177 | 212 needsFlush: bool # usually true |
| 1176 | 213 GPUMemory = IndirectGPUMemory | DirectGPUMemory |
| 214 | |
| 215 Buffer[TMemory: GPUMemory] = object | |
| 216 vk: VkBuffer | |
| 217 offset: uint64 | |
| 218 size: uint64 | |
| 219 | |
| 220 GPUArray[T: SupportedGPUType, TMemory: GPUMemory] = object | |
| 221 data: seq[T] | |
| 222 buffer: Buffer[TMemory] | |
| 223 offset: uint64 | |
| 224 GPUValue[T: object|array, TMemory: GPUMemory] = object | |
| 225 data: T | |
| 226 buffer: Buffer[TMemory] | |
| 227 offset: uint64 | |
| 228 | |
| 1161 | 229 Renderable[TMesh, TInstance] = object |
| 230 vertexBuffers: seq[VkBuffer] | |
| 231 bufferOffsets: seq[VkDeviceSize] | |
| 1159 | 232 instanceCount: uint32 |
| 1161 | 233 case indexType: IndexType |
| 234 of None: | |
| 1160 | 235 vertexCount: uint32 |
| 1161 | 236 else: |
| 1160 | 237 indexBuffer: VkBuffer |
| 238 indexCount: uint32 | |
| 239 indexBufferOffset: VkDeviceSize | |
| 1176 | 240 |
| 1162 | 241 Pipeline[TShader] = object |
| 1159 | 242 pipeline: VkPipeline |
| 243 layout: VkPipelineLayout | |
| 1176 | 244 descriptorSetLayout: VkDescriptorSetLayout |
| 245 RenderData = object | |
| 246 descriptorPool: VkDescriptorPool | |
| 1177 | 247 # tuple is memory and offset to next free allocation in that memory |
| 248 indirectMemory: seq[tuple[memory: IndirectGPUMemory, nextFree: uint64]] | |
| 249 directMemory: seq[tuple[memory: DirectGPUMemory, nextFree: uint64]] | |
| 1176 | 250 indirectBuffers: seq[Buffer[IndirectGPUMemory]] |
| 251 directBuffers: seq[Buffer[DirectGPUMemory]] | |
| 1162 | 252 |
| 1177 | 253 template IsDirectMemory(gpuArray: GPUArray): untyped = |
| 254 get(genericParams(typeof(gpuArray)), 1) is DirectGPUMemory | |
| 255 template IsDirectMemory(gpuValue: GPUValue): untyped = | |
| 256 get(genericParams(typeof(gpuValue)), 1) is DirectGPUMemory | |
| 257 | |
| 1161 | 258 converter toVkIndexType(indexType: IndexType): VkIndexType = |
| 259 case indexType: | |
| 260 of None: VK_INDEX_TYPE_NONE_KHR | |
| 261 of UInt8: VK_INDEX_TYPE_UINT8_EXT | |
| 262 of UInt16: VK_INDEX_TYPE_UINT16 | |
| 263 of UInt32: VK_INDEX_TYPE_UINT32 | |
| 1159 | 264 |
| 1172 | 265 proc CreateRenderPass*( |
| 266 device: VkDevice, | |
| 267 format: VkFormat, | |
| 268 ): VkRenderPass = | |
| 269 | |
| 270 var | |
| 271 attachments = @[VkAttachmentDescription( | |
| 272 format: format, | |
| 273 samples: VK_SAMPLE_COUNT_1_BIT, | |
| 274 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR, | |
| 275 storeOp: VK_ATTACHMENT_STORE_OP_STORE, | |
| 276 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE, | |
| 277 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE, | |
| 278 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED, | |
| 279 finalLayout: VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, | |
| 280 )] | |
| 281 dependencies = @[VkSubpassDependency( | |
| 282 srcSubpass: VK_SUBPASS_EXTERNAL, | |
| 283 dstSubpass: 0, | |
| 284 srcStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT], | |
| 285 srcAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT], | |
| 286 dstStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT], | |
| 287 dstAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT], | |
| 288 )] | |
| 289 outputs = @[ | |
| 290 VkAttachmentReference( | |
| 291 attachment: 0, | |
| 292 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, | |
| 293 ) | |
| 294 ] | |
| 295 | |
| 296 var subpassesList = [ | |
| 297 VkSubpassDescription( | |
| 298 flags: VkSubpassDescriptionFlags(0), | |
| 299 pipelineBindPoint: VK_PIPELINE_BIND_POINT_GRAPHICS, | |
| 300 inputAttachmentCount: 0, | |
| 301 pInputAttachments: nil, | |
| 302 colorAttachmentCount: uint32(outputs.len), | |
| 303 pColorAttachments: outputs.ToCPointer, | |
| 304 pResolveAttachments: nil, | |
| 305 pDepthStencilAttachment: nil, | |
| 306 preserveAttachmentCount: 0, | |
| 307 pPreserveAttachments: nil, | |
| 308 ) | |
| 309 ] | |
| 310 | |
| 311 var createInfo = VkRenderPassCreateInfo( | |
| 312 sType: VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, | |
| 313 attachmentCount: uint32(attachments.len), | |
| 314 pAttachments: attachments.ToCPointer, | |
| 315 subpassCount: uint32(subpassesList.len), | |
| 316 pSubpasses: subpassesList.ToCPointer, | |
| 317 dependencyCount: uint32(dependencies.len), | |
| 318 pDependencies: dependencies.ToCPointer, | |
| 319 ) | |
| 320 checkVkResult device.vkCreateRenderPass(addr(createInfo), nil, addr(result)) | |
| 321 | |
| 1162 | 322 proc compileGlslToSPIRV(stage: VkShaderStageFlagBits, shaderSource: string): seq[uint32] {.compileTime.} = |
| 323 func stage2string(stage: VkShaderStageFlagBits): string {.compileTime.} = | |
| 324 case stage | |
| 325 of VK_SHADER_STAGE_VERTEX_BIT: "vert" | |
| 326 of VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT: "tesc" | |
| 327 of VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT: "tese" | |
| 328 of VK_SHADER_STAGE_GEOMETRY_BIT: "geom" | |
| 329 of VK_SHADER_STAGE_FRAGMENT_BIT: "frag" | |
| 330 of VK_SHADER_STAGE_COMPUTE_BIT: "comp" | |
| 331 else: "" | |
| 1161 | 332 |
| 1162 | 333 when defined(nimcheck): # will not run if nimcheck is running |
| 334 return result | |
| 335 | |
| 336 let | |
| 337 stagename = stage2string(stage) | |
| 338 shaderHash = hash(shaderSource) | |
| 339 shaderfile = getTempDir() / &"shader_{shaderHash}.{stagename}" | |
| 340 | |
| 341 if not shaderfile.fileExists: | |
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342 echo "shader of type ", stage |
| 1162 | 343 for i, line in enumerate(shaderSource.splitlines()): |
| 344 echo " ", i + 1, " ", line | |
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345 # var glslExe = currentSourcePath.parentDir.parentDir.parentDir / "tools" / "glslangValidator" |
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346 var glslExe = currentSourcePath.parentDir / "tools" / "glslangValidator" |
| 1162 | 347 when defined(windows): |
| 348 glslExe = glslExe & "." & ExeExt | |
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349 let command = &"{glslExe} --entry-point main -V --stdin -S {stagename} -o {shaderfile}" |
| 1162 | 350 echo "run: ", command |
| 351 discard StaticExecChecked( | |
| 352 command = command, | |
| 353 input = shaderSource | |
| 354 ) | |
| 355 else: | |
| 356 echo &"shaderfile {shaderfile} is up-to-date" | |
| 357 | |
| 358 when defined(mingw) and defined(linux): # required for crosscompilation, path separators get messed up | |
| 359 let shaderbinary = staticRead shaderfile.replace("\\", "/") | |
| 360 else: | |
| 361 let shaderbinary = staticRead shaderfile | |
| 362 | |
| 363 var i = 0 | |
| 364 while i < shaderbinary.len: | |
| 365 result.add( | |
| 366 (uint32(shaderbinary[i + 0]) shl 0) or | |
| 367 (uint32(shaderbinary[i + 1]) shl 8) or | |
| 368 (uint32(shaderbinary[i + 2]) shl 16) or | |
| 369 (uint32(shaderbinary[i + 3]) shl 24) | |
| 370 ) | |
| 371 i += 4 | |
| 372 | |
| 373 proc generateShaderSource[TShader](shader: TShader): (string, string) {.compileTime.} = | |
| 374 const GLSL_VERSION = "450" | |
| 375 var vsInput: seq[string] | |
| 376 var vsOutput: seq[string] | |
| 377 var fsInput: seq[string] | |
| 378 var fsOutput: seq[string] | |
| 379 var uniforms: seq[string] | |
| 380 var samplers: seq[string] | |
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381 var vsInputLocation = 0'u32 |
| 1162 | 382 var passLocation = 0 |
| 383 var fsOutputLocation = 0 | |
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384 var descriptorBinding = 0 |
| 1162 | 385 |
| 386 for fieldname, value in fieldPairs(shader): | |
| 387 # vertex shader inputs | |
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388 when hasCustomPragma(value, VertexAttribute) or hasCustomPragma(value, InstanceAttribute): |
| 1162 | 389 assert typeof(value) is SupportedGPUType |
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390 vsInput.add "layout(location = " & $vsInputLocation & ") in " & GlslType(value) & " " & fieldname & ";" |
| 1162 | 391 for j in 0 ..< NumberOfVertexInputAttributeDescriptors(value): |
| 392 vsInputLocation += NLocationSlots(value) | |
| 393 # intermediate values, passed between shaders | |
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394 elif hasCustomPragma(value, Pass) or hasCustomPragma(value, PassFlat): |
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395 let flat = if hasCustomPragma(value, PassFlat): "flat " else: "" |
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396 vsOutput.add "layout(location = " & $passLocation & ") " & flat & "out " & GlslType(value) & " " & fieldname & ";" |
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397 fsInput.add "layout(location = " & $passLocation & ") " & flat & "in " & GlslType(value) & " " & fieldname & ";" |
| 1162 | 398 passLocation.inc |
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399 elif hasCustomPragma(value, ShaderOutput): |
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400 fsOutput.add &"layout(location = " & $fsOutputLocation & ") out " & GlslType(value) & " " & fieldname & ";" |
| 1162 | 401 fsOutputLocation.inc |
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402 elif typeof(value) is Texture: |
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403 samplers.add "layout(binding = " & $descriptorBinding & ") uniform " & GlslType(value) & " " & fieldname & ";" |
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404 descriptorBinding.inc |
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405 elif typeof(value) is object: |
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406 # TODO |
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407 uniforms.add "" |
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408 descriptorBinding.inc |
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409 elif typeof(value) is array: |
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410 when elementType(value) is Texture: |
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411 let arrayDecl = "[" & $typeof(value).len & "]" |
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412 samplers.add "layout(binding = " & $descriptorBinding & ") uniform " & GlslType(default(elementType(value))) & " " & fieldname & "" & arrayDecl & ";" |
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413 descriptorBinding.inc |
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414 elif elementType(value) is object: |
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415 # TODO |
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416 let arrayDecl = "[" & $typeof(value).len & "]" |
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417 # uniforms.add "layout(binding = " & $descriptorBinding & ") uniform " & GlslType(elementType(value)) & " " & fieldname & "" & arrayDecl & ";" |
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418 descriptorBinding.inc |
| 1162 | 419 else: |
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420 {.error: "Unsupported shader field " & fieldname.} |
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421 elif fieldname in ["vertexCode", "fragmentCode"]: |
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422 discard |
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423 else: |
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424 {.error: "Unsupported shader field '" & tt.name(TShader) & "." & fieldname & "' of type " & tt.name(typeof(value)).} |
| 1162 | 425 |
| 426 result[0] = (@[&"#version {GLSL_VERSION}", "#extension GL_EXT_scalar_block_layout : require", ""] & | |
| 427 vsInput & | |
| 428 uniforms & | |
| 429 samplers & | |
| 430 vsOutput & | |
| 431 @[shader.vertexCode]).join("\n") | |
| 432 | |
| 433 result[1] = (@[&"#version {GLSL_VERSION}", "#extension GL_EXT_scalar_block_layout : require", ""] & | |
| 434 fsInput & | |
| 435 uniforms & | |
| 436 samplers & | |
| 437 fsOutput & | |
| 438 @[shader.fragmentCode]).join("\n") | |
| 439 | |
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440 proc CompileShader[TShader](device: VkDevice, shader: static TShader): ShaderObject[TShader] = |
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441 const (vertexShaderSource, fragmentShaderSource) = generateShaderSource(shader) |
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442 |
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443 let vertexBinary = compileGlslToSPIRV(VK_SHADER_STAGE_VERTEX_BIT, vertexShaderSource) |
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444 let fragmentBinary = compileGlslToSPIRV(VK_SHADER_STAGE_FRAGMENT_BIT, fragmentShaderSource) |
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445 |
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446 var createInfoVertex = VkShaderModuleCreateInfo( |
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447 sType: VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO, |
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448 codeSize: csize_t(vertexBinary.len * sizeof(uint32)), |
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449 pCode: vertexBinary.ToCPointer, |
| 1162 | 450 ) |
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451 checkVkResult device.vkCreateShaderModule(addr(createInfoVertex), nil, addr(result.vertexShader)) |
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452 var createInfoFragment = VkShaderModuleCreateInfo( |
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453 sType: VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO, |
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454 codeSize: csize_t(fragmentBinary.len * sizeof(uint32)), |
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455 pCode: fragmentBinary.ToCPointer, |
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456 ) |
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457 checkVkResult device.vkCreateShaderModule(addr(createInfoFragment), nil, addr(result.fragmentShader)) |
| 1162 | 458 |
| 459 | |
| 460 proc CreatePipeline*[TShader]( | |
| 1159 | 461 device: VkDevice, |
| 462 renderPass: VkRenderPass, | |
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463 shader: ShaderObject[TShader], |
| 1159 | 464 topology: VkPrimitiveTopology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, |
| 465 polygonMode: VkPolygonMode = VK_POLYGON_MODE_FILL, | |
| 466 cullMode: VkCullModeFlagBits = VK_CULL_MODE_BACK_BIT, | |
| 467 frontFace: VkFrontFace = VK_FRONT_FACE_CLOCKWISE, | |
| 1176 | 468 descriptorPoolLimit = 1024 |
| 1162 | 469 ): Pipeline[TShader] = |
| 1164 | 470 # create pipeline |
| 1161 | 471 var layoutbindings: seq[VkDescriptorSetLayoutBinding] |
| 1176 | 472 ForDescriptorFields(default(TShader), fieldName, descriptorType, descriptorCount, descriptorBindingNumber): |
| 1161 | 473 layoutbindings.add VkDescriptorSetLayoutBinding( |
| 474 binding: descriptorBindingNumber, | |
| 475 descriptorType: descriptorType, | |
| 476 descriptorCount: descriptorCount, | |
| 1162 | 477 stageFlags: VkShaderStageFlags(VK_SHADER_STAGE_ALL_GRAPHICS), |
| 1161 | 478 pImmutableSamplers: nil, |
| 479 ) | |
| 480 var layoutCreateInfo = VkDescriptorSetLayoutCreateInfo( | |
| 481 sType: VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, | |
| 482 bindingCount: uint32(layoutbindings.len), | |
| 483 pBindings: layoutbindings.ToCPointer | |
| 484 ) | |
| 1176 | 485 checkVkResult vkCreateDescriptorSetLayout(device, addr(layoutCreateInfo), nil, addr(result.descriptorSetLayout)) |
| 1161 | 486 let pipelineLayoutInfo = VkPipelineLayoutCreateInfo( |
| 487 sType: VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, | |
| 488 setLayoutCount: 1, | |
| 1176 | 489 pSetLayouts: addr(result.descriptorSetLayout), |
| 1161 | 490 # pushConstantRangeCount: uint32(pushConstants.len), |
| 491 # pPushConstantRanges: pushConstants.ToCPointer, | |
| 492 ) | |
| 493 checkVkResult vkCreatePipelineLayout(device, addr(pipelineLayoutInfo), nil, addr(result.layout)) | |
| 1159 | 494 |
| 495 let stages = [ | |
| 496 VkPipelineShaderStageCreateInfo( | |
| 497 sType: VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, | |
| 498 stage: VK_SHADER_STAGE_VERTEX_BIT, | |
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499 module: shader.vertexShader, |
| 1159 | 500 pName: "main", |
| 501 ), | |
| 502 VkPipelineShaderStageCreateInfo( | |
| 503 sType: VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, | |
| 504 stage: VK_SHADER_STAGE_FRAGMENT_BIT, | |
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505 module: shader.fragmentShader, |
| 1159 | 506 pName: "main", |
| 507 ), | |
| 508 ] | |
| 1162 | 509 var |
| 510 bindings: seq[VkVertexInputBindingDescription] | |
| 511 attributes: seq[VkVertexInputAttributeDescription] | |
| 1159 | 512 var inputBindingNumber = 0'u32 |
| 1162 | 513 var location = 0'u32 |
| 514 ForVertexDataFields(default(TShader), fieldname, value, isInstanceAttr): | |
| 1159 | 515 bindings.add VkVertexInputBindingDescription( |
| 516 binding: inputBindingNumber, | |
| 517 stride: sizeof(value).uint32, | |
| 518 inputRate: if isInstanceAttr: VK_VERTEX_INPUT_RATE_INSTANCE else: VK_VERTEX_INPUT_RATE_VERTEX, | |
| 519 ) | |
| 520 # allows to submit larger data structures like Mat44, for most other types will be 1 | |
| 521 let perDescriptorSize = sizeof(value).uint32 div NumberOfVertexInputAttributeDescriptors(value) | |
| 522 for i in 0'u32 ..< NumberOfVertexInputAttributeDescriptors(value): | |
| 523 attributes.add VkVertexInputAttributeDescription( | |
| 524 binding: inputBindingNumber, | |
| 1162 | 525 location: location, |
| 1159 | 526 format: VkType(value), |
| 527 offset: i * perDescriptorSize, | |
| 528 ) | |
| 1162 | 529 location += NLocationSlots(value) |
| 1159 | 530 inc inputBindingNumber |
| 531 | |
| 532 let | |
| 533 vertexInputInfo = VkPipelineVertexInputStateCreateInfo( | |
| 534 sType: VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO, | |
| 535 vertexBindingDescriptionCount: uint32(bindings.len), | |
| 536 pVertexBindingDescriptions: bindings.ToCPointer, | |
| 537 vertexAttributeDescriptionCount: uint32(attributes.len), | |
| 538 pVertexAttributeDescriptions: attributes.ToCPointer, | |
| 539 ) | |
| 540 inputAssembly = VkPipelineInputAssemblyStateCreateInfo( | |
| 541 sType: VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO, | |
| 542 topology: topology, | |
| 543 primitiveRestartEnable: false, | |
| 544 ) | |
| 545 viewportState = VkPipelineViewportStateCreateInfo( | |
| 546 sType: VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO, | |
| 547 viewportCount: 1, | |
| 548 scissorCount: 1, | |
| 549 ) | |
| 550 rasterizer = VkPipelineRasterizationStateCreateInfo( | |
| 551 sType: VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO, | |
| 552 depthClampEnable: VK_FALSE, | |
| 553 rasterizerDiscardEnable: VK_FALSE, | |
| 554 polygonMode: polygonMode, | |
| 555 lineWidth: 1.0, | |
| 556 cullMode: toBits [cullMode], | |
| 557 frontFace: frontFace, | |
| 558 depthBiasEnable: VK_FALSE, | |
| 559 depthBiasConstantFactor: 0.0, | |
| 560 depthBiasClamp: 0.0, | |
| 561 depthBiasSlopeFactor: 0.0, | |
| 562 ) | |
| 563 multisampling = VkPipelineMultisampleStateCreateInfo( | |
| 564 sType: VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO, | |
| 565 sampleShadingEnable: VK_FALSE, | |
| 566 rasterizationSamples: VK_SAMPLE_COUNT_1_BIT, | |
| 567 minSampleShading: 1.0, | |
| 568 pSampleMask: nil, | |
| 569 alphaToCoverageEnable: VK_FALSE, | |
| 570 alphaToOneEnable: VK_FALSE, | |
| 571 ) | |
| 572 colorBlendAttachment = VkPipelineColorBlendAttachmentState( | |
| 573 colorWriteMask: toBits [VK_COLOR_COMPONENT_R_BIT, VK_COLOR_COMPONENT_G_BIT, VK_COLOR_COMPONENT_B_BIT, VK_COLOR_COMPONENT_A_BIT], | |
| 574 blendEnable: VK_TRUE, | |
| 575 srcColorBlendFactor: VK_BLEND_FACTOR_SRC_ALPHA, | |
| 576 dstColorBlendFactor: VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA, | |
| 577 colorBlendOp: VK_BLEND_OP_ADD, | |
| 578 srcAlphaBlendFactor: VK_BLEND_FACTOR_ONE, | |
| 579 dstAlphaBlendFactor: VK_BLEND_FACTOR_ZERO, | |
| 580 alphaBlendOp: VK_BLEND_OP_ADD, | |
| 581 ) | |
| 582 colorBlending = VkPipelineColorBlendStateCreateInfo( | |
| 583 sType: VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO, | |
| 584 logicOpEnable: false, | |
| 585 attachmentCount: 1, | |
| 586 pAttachments: addr(colorBlendAttachment), | |
| 587 ) | |
| 588 dynamicStates = [VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR] | |
| 589 dynamicState = VkPipelineDynamicStateCreateInfo( | |
| 590 sType: VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO, | |
| 591 dynamicStateCount: dynamicStates.len.uint32, | |
| 592 pDynamicStates: dynamicStates.ToCPointer, | |
| 593 ) | |
| 594 let createInfo = VkGraphicsPipelineCreateInfo( | |
| 595 sType: VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO, | |
| 596 stageCount: 2, | |
| 1162 | 597 pStages: stages.ToCPointer, |
| 1159 | 598 pVertexInputState: addr(vertexInputInfo), |
| 599 pInputAssemblyState: addr(inputAssembly), | |
| 600 pViewportState: addr(viewportState), | |
| 601 pRasterizationState: addr(rasterizer), | |
| 602 pMultisampleState: addr(multisampling), | |
| 603 pDepthStencilState: nil, | |
| 604 pColorBlendState: addr(colorBlending), | |
| 605 pDynamicState: addr(dynamicState), | |
| 606 layout: result.layout, | |
| 607 renderPass: renderPass, | |
| 608 subpass: 0, | |
| 609 basePipelineHandle: VkPipeline(0), | |
| 610 basePipelineIndex: -1, | |
| 611 ) | |
| 612 checkVkResult vkCreateGraphicsPipelines( | |
| 613 device, | |
| 614 VkPipelineCache(0), | |
| 615 1, | |
| 616 addr(createInfo), | |
| 617 nil, | |
| 618 addr(result.pipeline) | |
| 619 ) | |
| 620 | |
| 1177 | 621 proc AllocateIndirectMemory(device: VkDevice, pDevice: VkPhysicalDevice, size: uint64): IndirectGPUMemory = |
| 1176 | 622 # chooses biggest memory type that has NOT VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
| 1177 | 623 result.size = size |
| 624 result.needsTransfer = true | |
| 1176 | 625 |
| 626 # find a good memory type | |
| 627 var physicalProperties: VkPhysicalDeviceMemoryProperties | |
| 628 vkGetPhysicalDeviceMemoryProperties(pDevice, addr physicalProperties) | |
| 629 | |
| 1177 | 630 var biggestHeap: uint64 = 0 |
| 631 var memoryTypeIndex = high(uint32) | |
| 1176 | 632 # try to find non-host-visible type |
| 1177 | 633 for i in 0'u32 ..< physicalProperties.memoryTypeCount: |
| 634 if not (VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT in toEnums(physicalProperties.memoryTypes[i].propertyFlags)): | |
| 1176 | 635 let size = physicalProperties.memoryHeaps[physicalProperties.memoryTypes[i].heapIndex].size |
| 636 if size > biggestHeap: | |
| 1177 | 637 biggestHeap = size |
| 1176 | 638 memoryTypeIndex = i |
| 639 | |
| 640 # If we did not found a device-only memory type, let's just take the biggest overall | |
| 1177 | 641 if memoryTypeIndex == high(uint32): |
| 642 result.needsTransfer = false | |
| 643 for i in 0'u32 ..< physicalProperties.memoryTypeCount: | |
| 644 let size = physicalProperties.memoryHeaps[physicalProperties.memoryTypes[i].heapIndex].size | |
| 645 if size > biggestHeap: | |
| 646 biggestHeap = size | |
| 647 memoryTypeIndex = i | |
| 1176 | 648 |
| 1177 | 649 assert memoryTypeIndex != high(uint32), "Unable to find indirect memory type" |
| 1176 | 650 var allocationInfo = VkMemoryAllocateInfo( |
| 651 sType: VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, | |
| 1177 | 652 allocationSize: result.size, |
| 1176 | 653 memoryTypeIndex: memoryTypeIndex, |
| 654 ) | |
| 655 checkVkResult vkAllocateMemory( | |
| 656 device, | |
| 657 addr allocationInfo, | |
| 658 nil, | |
| 659 addr result.vk | |
| 660 ) | |
| 661 | |
| 1177 | 662 proc AllocateDirectMemory(device: VkDevice, pDevice: VkPhysicalDevice, size: uint64): DirectGPUMemory = |
| 663 result.size = size | |
| 664 result.needsFlush = true | |
| 1176 | 665 |
| 666 # find a good memory type | |
| 667 var physicalProperties: VkPhysicalDeviceMemoryProperties | |
| 668 vkGetPhysicalDeviceMemoryProperties(pDevice, addr physicalProperties) | |
| 1164 | 669 |
| 1177 | 670 var biggestHeap: uint64 = 0 |
| 671 var memoryTypeIndex = high(uint32) | |
| 1176 | 672 # try to find host-visible type |
| 673 for i in 0 ..< physicalProperties.memoryTypeCount: | |
| 1177 | 674 let flags = toEnums(physicalProperties.memoryTypes[i].propertyFlags) |
| 675 if VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT in flags: | |
| 1176 | 676 let size = physicalProperties.memoryHeaps[physicalProperties.memoryTypes[i].heapIndex].size |
| 677 if size > biggestHeap: | |
| 1177 | 678 biggestHeap = size |
| 1176 | 679 memoryTypeIndex = i |
| 1177 | 680 result.needsFlush = not (VK_MEMORY_PROPERTY_HOST_COHERENT_BIT in flags) |
| 1164 | 681 |
| 1177 | 682 assert memoryTypeIndex != high(uint32), "Unable to find indirect memory type" |
| 1176 | 683 var allocationInfo = VkMemoryAllocateInfo( |
| 684 sType: VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, | |
| 1177 | 685 allocationSize: result.size, |
| 1176 | 686 memoryTypeIndex: memoryTypeIndex, |
| 687 ) | |
| 688 checkVkResult vkAllocateMemory( | |
| 689 device, | |
| 690 addr allocationInfo, | |
| 691 nil, | |
| 692 addr result.vk | |
| 693 ) | |
| 1177 | 694 checkVkResult vkMapMemory( |
| 695 device = device, | |
| 1176 | 696 memory = result.vk, |
| 697 offset = 0'u64, | |
| 698 size = result.size, | |
| 699 flags = VkMemoryMapFlags(0), | |
| 700 ppData = addr(result.data) | |
| 701 ) | |
| 702 | |
| 1177 | 703 proc AllocateIndirectBuffer(device: VkDevice, renderData: var RenderData, size: uint64, usage: openArray[VkBufferUsageFlagBits]) = |
| 704 assert size > 0, "Buffer sizes must be larger than 0" | |
| 705 var buffer = Buffer[IndirectGPUMemory](size: size) | |
| 706 | |
| 707 # iterate through memory areas to find big enough free space | |
| 708 for (memory, offset) in renderData.indirectMemory.mitems: | |
| 709 if memory.size - offset >= size: | |
| 710 buffer.offset = offset | |
| 711 # create buffer | |
| 712 var createInfo = VkBufferCreateInfo( | |
| 713 sType: VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, | |
| 714 flags: VkBufferCreateFlags(0), | |
| 715 size: buffer.size, | |
| 716 usage: toBits(@usage & @[VK_BUFFER_USAGE_TRANSFER_DST_BIT]), # ensure we can transfer to this buffer | |
| 717 sharingMode: VK_SHARING_MODE_EXCLUSIVE, | |
| 718 ) | |
| 719 checkVkResult vkCreateBuffer( | |
| 720 device = device, | |
| 721 pCreateInfo = addr createInfo, | |
| 722 pAllocator = nil, | |
| 723 pBuffer = addr(buffer.vk) | |
| 724 ) | |
| 725 checkVkResult vkBindBufferMemory(device, buffer.vk, memory.vk, buffer.offset) | |
| 726 renderData.indirectBuffers.add buffer | |
| 727 # update memory area offset | |
| 728 offset = offset + size | |
| 729 if offset mod MEMORY_ALIGNMENT != 0: | |
| 730 offset = offset + MEMORY_ALIGNMENT - (offset mod MEMORY_ALIGNMENT) | |
| 731 return | |
| 732 | |
| 733 assert false, "Did not find allocated memory region with enough space" | |
| 734 | |
| 735 proc AllocateDirectBuffer(device: VkDevice, renderData: var RenderData, size: uint64, usage: openArray[VkBufferUsageFlagBits]) = | |
| 736 assert size > 0, "Buffer sizes must be larger than 0" | |
| 737 var buffer = Buffer[DirectGPUMemory](size: size) | |
| 738 | |
| 739 # iterate through memory areas to find big enough free space | |
| 740 for (memory, offset) in renderData.directMemory.mitems: | |
| 741 if memory.size - offset >= size: | |
| 742 buffer.offset = offset | |
| 743 # create buffer | |
| 744 var createInfo = VkBufferCreateInfo( | |
| 745 sType: VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, | |
| 746 flags: VkBufferCreateFlags(0), | |
| 747 size: buffer.size, | |
| 748 usage: toBits(usage), | |
| 749 sharingMode: VK_SHARING_MODE_EXCLUSIVE, | |
| 750 ) | |
| 751 checkVkResult vkCreateBuffer( | |
| 752 device = device, | |
| 753 pCreateInfo = addr createInfo, | |
| 754 pAllocator = nil, | |
| 755 pBuffer = addr(buffer.vk) | |
| 756 ) | |
| 757 checkVkResult vkBindBufferMemory(device, buffer.vk, memory.vk, buffer.offset) | |
| 758 renderData.directBuffers.add buffer | |
| 759 # update memory area offset | |
| 760 offset = offset + size | |
| 761 if offset mod MEMORY_ALIGNMENT != 0: | |
| 762 offset = offset + MEMORY_ALIGNMENT - (offset mod MEMORY_ALIGNMENT) | |
| 763 return | |
| 764 | |
| 765 assert false, "Did not find allocated memory region with enough space" | |
| 766 | |
| 767 proc InitRenderData(device: VkDevice, pDevice: VkPhysicalDevice, descriptorPoolLimit = 1024'u32): RenderData = | |
| 1176 | 768 # allocate descriptor pools |
| 769 var poolSizes = [ | |
| 1177 | 770 VkDescriptorPoolSize(thetype: VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, descriptorCount: descriptorPoolLimit), |
| 771 VkDescriptorPoolSize(thetype: VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, descriptorCount: descriptorPoolLimit), | |
| 1176 | 772 ] |
| 773 var poolInfo = VkDescriptorPoolCreateInfo( | |
| 774 sType: VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO, | |
| 775 poolSizeCount: poolSizes.len.uint32, | |
| 776 pPoolSizes: poolSizes.ToCPointer, | |
| 777 maxSets: descriptorPoolLimit, | |
| 778 ) | |
| 779 checkVkResult vkCreateDescriptorPool(device, addr(poolInfo), nil, addr(result.descriptorPool)) | |
| 780 | |
| 781 # allocate some memory | |
| 1177 | 782 var initialAllocationSize = 1_000_000_000'u64 # TODO: make this more dynamic or something |
| 783 result.indirectMemory = @[(AllocateIndirectMemory(device, pDevice, size = initialAllocationSize), 0'u64)] | |
| 784 result.directMemory = @[(AllocateDirectMemory(device, pDevice, size = initialAllocationSize), 0'u64)] | |
| 1164 | 785 |
| 1177 | 786 proc GetIndirectBufferSizes[T](data: T): uint64 = |
| 787 # return buffer sizes for direct and indirect buffers | |
| 788 # BUFFER_ALIGNMENT is just added for a rough estimate, to ensure we have enough space to align when binding | |
| 789 for name, value in fieldPairs(data): | |
| 790 when not hasCustomPragma(value, VertexIndices) | |
| 791 when typeof(value) is GPUArray: | |
| 792 if not IsDirectMemory(value): | |
| 793 result += (value.data.len * sizeof(elementType(value.data))).uint64 + BUFFER_ALIGNMENT | |
| 794 when typeof(value) is GPUValue: | |
| 795 if not IsDirectMemory(value): | |
| 796 result += sizeof(value.data).uint64 + BUFFER_ALIGNMENT | |
| 797 proc GetDirectBufferSizes[T](data: T): uint64 = | |
| 798 # return buffer sizes for direct and indirect buffers | |
| 799 # BUFFER_ALIGNMENT is just added for a rough estimate, to ensure we have enough space to align when binding | |
| 800 for name, value in fieldPairs(data): | |
| 801 when not hasCustomPragma(value, VertexIndices) | |
| 802 when typeof(value) is GPUArray: | |
| 803 if IsDirectMemory(value): | |
| 804 result += (value.data.len * sizeof(elementType(value.data))).uint64 + BUFFER_ALIGNMENT | |
| 805 when typeof(value) is GPUValue: | |
| 806 if IsDirectMemory(value): | |
| 807 result += sizeof(value.data).uint64 + BUFFER_ALIGNMENT | |
| 808 | |
| 809 proc GetIndirectIndexBufferSizes[T](data: T): uint64 = | |
| 810 for name, value in fieldPairs(data): | |
| 811 when hasCustomPragma(value, VertexIndices): | |
| 812 static: assert typeof(value) is GPUArray, "Index buffers must be of type GPUArray" | |
| 813 static: assert elementType(value.data) is uint8 or elementType(value.data) is uint16 or elementType(value.data) is uint32 | |
| 814 if not IsDirectMemory(value): | |
| 815 result += (value.data.len * sizeof(elementType(value.data))).uint64 + BUFFER_ALIGNMENT | |
| 816 | |
| 817 proc GetDirectIndexBufferSizes[T](data: T): uint64 = | |
| 818 for name, value in fieldPairs(data): | |
| 819 when hasCustomPragma(value, VertexIndices): | |
| 820 static: assert typeof(value) is GPUArray, "Index buffers must be of type GPUArray" | |
| 821 static: assert elementType(value.data) is uint8 or elementType(value.data) is uint16 or elementType(value.data) is uint32 | |
| 822 if IsDirectMemory(value): | |
| 823 result += (value.data.len * sizeof(elementType(value.data))).uint64 + BUFFER_ALIGNMENT | |
| 824 | |
| 825 | |
| 826 proc WriteDescriptors[TShader](device: VkDevice, descriptorSets: array[INFLIGHTFRAMES.int, VkDescriptorSet]) = | |
| 1165 | 827 var descriptorSetWrites: seq[VkWriteDescriptorSet] |
| 1176 | 828 # map (buffer + offset + range) to descriptor |
| 829 # map (texture) to descriptor | |
| 830 ForDescriptorFields(default(TShader), fieldName, descriptorType, descriptorCount, descriptorBindingNumber): | |
| 1177 | 831 for frameInFlight in 0 ..< descriptorSets.len: |
| 832 when descriptorType == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER: | |
| 1173 | 833 # TODO |
| 834 let bufferInfo = VkDescriptorBufferInfo( | |
| 835 buffer: VkBuffer(0), | |
| 836 offset: 0, | |
| 837 range: 1, | |
| 838 ) | |
| 839 descriptorSetWrites.add VkWriteDescriptorSet( | |
| 840 sType: VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, | |
| 1177 | 841 dstSet: descriptorSets[frameInFlight], |
| 1173 | 842 dstBinding: descriptorBindingNumber, |
| 843 dstArrayElement: uint32(0), | |
| 844 descriptorType: descriptorType, | |
| 845 descriptorCount: descriptorCount, | |
| 846 pImageInfo: nil, | |
| 847 pBufferInfo: addr(bufferInfo), | |
| 848 ) | |
| 849 elif descriptorType == VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER: | |
| 850 # TODO | |
| 851 let imageInfo = VkDescriptorImageInfo( | |
| 852 sampler: VkSampler(0), | |
| 853 imageView: VkImageView(0), | |
| 854 imageLayout: VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, | |
| 855 ) | |
| 856 descriptorSetWrites.add VkWriteDescriptorSet( | |
| 857 sType: VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, | |
| 1177 | 858 dstSet: descriptorSets[frameInFlight], |
| 1173 | 859 dstBinding: descriptorBindingNumber, |
| 860 dstArrayElement: uint32(0), | |
| 861 descriptorType: descriptorType, | |
| 862 descriptorCount: descriptorCount, | |
| 863 pImageInfo: addr(imageInfo), | |
| 864 pBufferInfo: nil, | |
| 865 ) | |
| 866 vkUpdateDescriptorSets(device, uint32(descriptorSetWrites.len), descriptorSetWrites.ToCPointer, 0, nil) | |
| 1165 | 867 |
| 1172 | 868 proc Bind[T](pipeline: Pipeline[T], commandBuffer: VkCommandBuffer, currentFrameInFlight: int) = |
| 1159 | 869 commandBuffer.vkCmdBindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline.pipeline) |
| 1177 | 870 #[ |
| 871 commandBuffer.vkCmdBindDescriptorSets( | |
| 872 VK_PIPELINE_BIND_POINT_GRAPHICS, | |
| 873 pipeline.layout, | |
| 874 0, | |
| 875 1, | |
| 876 addr pipeline.descriptorSets[currentFrameInFlight], | |
| 877 0, | |
| 878 nil, | |
| 879 ) | |
| 880 ]# | |
| 1161 | 881 |
| 1177 | 882 proc AssertCompatible(TShader, TMesh, TInstance, TUniforms, TGlobals: typedesc) = |
| 1162 | 883 # assert seq-fields of TMesh|TInstance == seq-fields of TShader |
| 1161 | 884 # assert normal fields of TMesh|Globals == normal fields of TShaderDescriptors |
| 1162 | 885 for inputName, inputValue in default(TShader).fieldPairs: |
| 1161 | 886 var foundField = false |
| 1176 | 887 |
| 888 # Vertex input data | |
| 1161 | 889 when hasCustomPragma(inputValue, VertexAttribute): |
|
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890 assert typeof(inputValue) is SupportedGPUType |
| 1161 | 891 for meshName, meshValue in default(TMesh).fieldPairs: |
| 892 when meshName == inputName: | |
| 1176 | 893 assert meshValue is GPUArray, "Mesh attribute '" & meshName & "' must be of type 'GPUArray' but is of type " & tt.name(typeof(meshValue)) |
| 1162 | 894 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 1176 | 895 assert elementType(meshValue.data) 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.data)) & "'" |
| 1161 | 896 foundField = true |
| 1162 | 897 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TMesh) & "'" |
| 1176 | 898 |
| 899 # Instance input data | |
| 1161 | 900 elif hasCustomPragma(inputValue, InstanceAttribute): |
|
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901 assert typeof(inputValue) is SupportedGPUType |
| 1161 | 902 for instanceName, instanceValue in default(TInstance).fieldPairs: |
| 903 when instanceName == inputName: | |
| 1176 | 904 assert instanceValue is GPUArray, "Instance attribute '" & instanceName & "' must be of type 'GPUArray' but is of type " & tt.name(typeof(instanceName)) |
| 1162 | 905 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 1176 | 906 assert elementType(instanceValue.data) 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.data)) & "'" |
| 1161 | 907 foundField = true |
| 1162 | 908 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TInstance) & "'" |
| 1176 | 909 |
| 910 # Texture | |
| 911 elif typeof(inputValue) is Texture: | |
| 1177 | 912 for uniformName, uniformValue in default(TUniforms).fieldPairs: |
| 913 when uniformName == inputName: | |
| 1162 | 914 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 1177 | 915 assert typeof(uniformValue) is typeof(inputValue), "Shader input " & tt.name(TShader) & "." & inputName & " is of type '" & tt.name(typeof(inputValue)) & "' but uniform attribute is of type '" & tt.name(typeof(uniformValue)) & "'" |
| 1161 | 916 foundField = true |
| 917 for globalName, globalValue in default(TGlobals).fieldPairs: | |
| 918 when globalName == inputName: | |
| 1162 | 919 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 920 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 | 921 foundField = true |
| 1162 | 922 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TMesh) & "|" & tt.name(TGlobals) & "'" |
| 1176 | 923 |
| 924 # Uniform block | |
| 925 elif typeof(inputValue) is object: | |
| 1177 | 926 for uniformName, uniformValue in default(TUniforms).fieldPairs: |
| 927 when uniformName == inputName: | |
| 928 assert uniformValue is GPUValue, "global attribute '" & uniformName & "' must be of type 'GPUValue' but is of type " & tt.name(typeof(uniformValue)) | |
| 1176 | 929 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 1177 | 930 assert typeof(uniformValue.data) is typeof(inputValue), "Shader input " & tt.name(TShader) & "." & inputName & " is of type '" & tt.name(typeof(inputValue)) & "' but uniform attribute is of type '" & tt.name(typeof(uniformValue.data)) & "'" |
| 1176 | 931 foundField = true |
| 932 for globalName, globalValue in default(TGlobals).fieldPairs: | |
| 933 when globalName == inputName: | |
| 934 assert globalValue is GPUValue, "global attribute '" & globalName & "' must be of type 'GPUValue' but is of type " & tt.name(typeof(globalValue)) | |
| 935 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" | |
| 936 assert typeof(globalValue.data) 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.data)) & "'" | |
| 937 foundField = true | |
| 938 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TMesh) & "|" & tt.name(TGlobals) & "'" | |
| 939 | |
| 940 # array | |
|
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941 elif typeof(inputValue) is array: |
| 1176 | 942 |
| 943 # texture-array | |
| 944 when elementType(inputValue) is Texture: | |
| 1177 | 945 for uniformName, uniformValue in default(TUniforms).fieldPairs: |
| 946 when uniformName == inputName: | |
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changeset
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947 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 1177 | 948 assert typeof(uniformValue) is typeof(inputValue), "Shader input " & tt.name(TShader) & "." & inputName & " is of type '" & tt.name(typeof(inputValue)) & "' but uniform attribute is of type '" & tt.name(typeof(uniformValue)) & "'" |
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parents:
1162
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|
949 foundField = true |
|
438d32d8b14f
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sam <sam@basx.dev>
parents:
1162
diff
changeset
|
950 for globalName, globalValue in default(TGlobals).fieldPairs: |
|
438d32d8b14f
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sam <sam@basx.dev>
parents:
1162
diff
changeset
|
951 when globalName == inputName: |
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438d32d8b14f
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sam <sam@basx.dev>
parents:
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diff
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952 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
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953 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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954 foundField = true |
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955 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TMesh) & "|" & tt.name(TGlobals) & "'" |
| 1161 | 956 |
| 1176 | 957 # uniform-block array |
| 958 elif elementType(inputValue) is object: | |
| 1177 | 959 for uniformName, uniformValue in default(TUniforms).fieldPairs: |
| 960 when uniformName == inputName: | |
| 961 assert uniformValue is GPUValue, "global attribute '" & uniformName & "' must be of type 'GPUValue' but is of type " & tt.name(typeof(uniformValue)) | |
| 1176 | 962 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 1177 | 963 assert typeof(uniformValue.data) is typeof(inputValue), "Shader input " & tt.name(TShader) & "." & inputName & " is of type '" & tt.name(typeof(inputValue)) & "' but uniform attribute is of type '" & tt.name(typeof(uniformValue.data)) & "'" |
| 1176 | 964 foundField = true |
| 965 for globalName, globalValue in default(TGlobals).fieldPairs: | |
| 966 when globalName == inputName: | |
| 967 assert globalValue is GPUValue, "global attribute '" & globalName & "' must be of type 'GPUValue' but is of type " & tt.name(typeof(globalValue)) | |
| 968 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" | |
| 969 assert typeof(globalValue.data) 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.data)) & "'" | |
| 970 foundField = true | |
| 971 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TMesh) & "|" & tt.name(TGlobals) & "'" | |
| 972 | |
| 1161 | 973 |
| 1177 | 974 proc Render[TShader, TMesh, TInstance, TUniforms, TGlobals]( |
| 1162 | 975 pipeline: Pipeline[TShader], |
| 1161 | 976 renderable: Renderable[TMesh, TInstance], |
| 1177 | 977 uniforms: TUniforms, |
| 1161 | 978 globals: TGlobals, |
| 979 commandBuffer: VkCommandBuffer, | |
| 980 ) = | |
| 1177 | 981 static: AssertCompatible(TShader, TMesh, TInstance, TUniforms, TGlobals) |
| 1164 | 982 if renderable.vertexBuffers.len > 0: |
| 983 commandBuffer.vkCmdBindVertexBuffers( | |
| 984 firstBinding = 0'u32, | |
| 985 bindingCount = uint32(renderable.vertexBuffers.len), | |
| 986 pBuffers = renderable.vertexBuffers.ToCPointer(), | |
| 987 pOffsets = renderable.bufferOffsets.ToCPointer() | |
| 988 ) | |
| 1161 | 989 if renderable.indexType != None: |
| 1159 | 990 commandBuffer.vkCmdBindIndexBuffer( |
| 991 renderable.indexBuffer, | |
| 992 renderable.indexBufferOffset, | |
| 1161 | 993 renderable.indexType, |
| 1159 | 994 ) |
| 995 commandBuffer.vkCmdDrawIndexed( | |
| 1161 | 996 indexCount = renderable.indexCount, |
| 997 instanceCount = renderable.instanceCount, | |
| 1159 | 998 firstIndex = 0, |
| 999 vertexOffset = 0, | |
| 1000 firstInstance = 0 | |
| 1001 ) | |
| 1002 else: | |
| 1003 commandBuffer.vkCmdDraw( | |
| 1161 | 1004 vertexCount = renderable.vertexCount, |
| 1005 instanceCount = renderable.instanceCount, | |
| 1159 | 1006 firstVertex = 0, |
| 1007 firstInstance = 0 | |
| 1008 ) | |
| 1161 | 1009 |
| 1010 when isMainModule: | |
| 1162 | 1011 import semicongine/platform/window |
| 1012 import semicongine/vulkan/instance | |
| 1013 import semicongine/vulkan/device | |
| 1014 import semicongine/vulkan/physicaldevice | |
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1015 import std/options |
| 1162 | 1016 |
| 1161 | 1017 type |
| 1177 | 1018 MeshA = object |
| 1019 position: GPUArray[Vec3f, IndirectGPUMemory] | |
| 1020 indices {.VertexIndices.}: GPUArray[uint16, IndirectGPUMemory] | |
| 1021 InstanceA = object | |
| 1022 rotation: GPUArray[Vec4f, IndirectGPUMemory] | |
| 1023 objPosition: GPUArray[Vec3f, IndirectGPUMemory] | |
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1024 MaterialA = object |
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1025 reflection: float32 |
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1026 baseColor: Vec3f |
| 1176 | 1027 UniformsA = object |
| 1028 materials: GPUValue[array[3, MaterialA], IndirectGPUMemory] | |
| 1029 materialTextures: array[3, Texture] | |
| 1177 | 1030 ShaderSettings = object |
| 1031 brightness: float32 | |
| 1176 | 1032 GlobalsA = object |
| 1162 | 1033 fontAtlas: Texture |
| 1176 | 1034 settings: GPUValue[ShaderSettings, IndirectGPUMemory] |
| 1161 | 1035 |
| 1162 | 1036 ShaderA = object |
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1037 # vertex input |
| 1161 | 1038 position {.VertexAttribute.}: Vec3f |
| 1176 | 1039 objPosition {.InstanceAttribute.}: Vec3f |
| 1040 rotation {.InstanceAttribute.}: Vec4f | |
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1041 # intermediate |
| 1162 | 1042 test {.Pass.}: float32 |
| 1043 test1 {.PassFlat.}: Vec3f | |
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1044 # output |
| 1162 | 1045 color {.ShaderOutput.}: Vec4f |
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1046 # uniforms |
| 1176 | 1047 materials: array[3, MaterialA] |
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1048 settings: ShaderSettings |
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1049 # textures |
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1050 fontAtlas: Texture |
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1051 materialTextures: array[3, Texture] |
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1052 # code |
| 1162 | 1053 vertexCode: string = "void main() {}" |
| 1054 fragmentCode: string = "void main() {}" | |
| 1161 | 1055 |
| 1162 | 1056 let w = CreateWindow("test2") |
| 1057 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") | |
| 1058 let i = w.CreateInstance( | |
| 1059 vulkanVersion = VK_MAKE_API_VERSION(0, 1, 3, 0), | |
| 1060 instanceExtensions = @[], | |
| 1061 layers = @["VK_LAYER_KHRONOS_validation"], | |
| 1062 ) | |
| 1063 | |
| 1064 let selectedPhysicalDevice = i.GetPhysicalDevices().FilterBestGraphics() | |
| 1173 | 1065 let dev = i.CreateDevice( |
| 1162 | 1066 selectedPhysicalDevice, |
| 1067 enabledExtensions = @[], | |
| 1068 selectedPhysicalDevice.FilterForGraphicsPresentationQueues() | |
| 1069 ) | |
| 1173 | 1070 let frameWidth = 100'u32 |
| 1071 let frameHeight = 100'u32 | |
| 1162 | 1072 |
| 1176 | 1073 var myMesh1 = MeshA( |
| 1074 position: GPUArray[Vec3f, IndirectGPUMemory](data: @[NewVec3f(0, 0, ), NewVec3f(0, 0, ), NewVec3f(0, 0, )]), | |
| 1075 ) | |
| 1076 var uniforms1 = UniformsA( | |
| 1077 materials: GPUValue[array[3, MaterialA], IndirectGPUMemory](data: [ | |
| 1078 MaterialA(reflection: 0, baseColor: NewVec3f(1, 0, 0)), | |
| 1079 MaterialA(reflection: 0.1, baseColor: NewVec3f(0, 1, 0)), | |
| 1080 MaterialA(reflection: 0.5, baseColor: NewVec3f(0, 0, 1)), | |
| 1081 ]), | |
| 1082 materialTextures: [ | |
| 1083 Texture(isGrayscale: false, colorImage: Image[RGBAPixel](width: 1, height: 1, imagedata: @[[255'u8, 0'u8, 0'u8, 255'u8]])), | |
| 1084 Texture(isGrayscale: false, colorImage: Image[RGBAPixel](width: 1, height: 1, imagedata: @[[0'u8, 255'u8, 0'u8, 255'u8]])), | |
| 1085 Texture(isGrayscale: false, colorImage: Image[RGBAPixel](width: 1, height: 1, imagedata: @[[0'u8, 0'u8, 255'u8, 255'u8]])), | |
| 1086 ] | |
| 1087 ) | |
| 1088 var instances1 = InstanceA( | |
| 1089 rotation: GPUArray[Vec4f, IndirectGPUMemory](data: @[NewVec4f(1, 0, 0, 0.1), NewVec4f(0, 1, 0, 0.1)]), | |
| 1090 objPosition: GPUArray[Vec3f, IndirectGPUMemory](data: @[NewVec3f(0, 0, 0), NewVec3f(1, 1, 1)]), | |
| 1091 ) | |
| 1092 var myGlobals: GlobalsA | |
| 1173 | 1093 |
| 1094 # setup for rendering (TODO: swapchain & framebuffers) | |
| 1095 | |
| 1096 # renderpass | |
| 1097 let renderpass = dev.vk.CreateRenderPass(dev.physicalDevice.GetSurfaceFormats().FilterSurfaceFormat().format) | |
| 1098 | |
| 1099 # shaders | |
| 1100 const shader = ShaderA() | |
| 1101 let shaderObject = dev.vk.CompileShader(shader) | |
| 1102 var pipeline1 = CreatePipeline(dev.vk, renderPass = renderpass, shaderObject) | |
| 1103 | |
| 1177 | 1104 var renderdata = InitRenderData(dev.vk, dev.physicalDevice.vk) |
| 1176 | 1105 |
| 1106 # create descriptor sets | |
| 1177 | 1107 #[ |
| 1176 | 1108 var descriptorSets: array[INFLIGHTFRAMES.int, VkDescriptorSet] |
| 1109 var layouts = newSeqWith(descriptorSets.len, pipeline.descriptorSetLayout) | |
| 1110 var allocInfo = VkDescriptorSetAllocateInfo( | |
| 1111 sType: VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO, | |
| 1112 descriptorPool: pool, | |
| 1113 descriptorSetCount: uint32(layouts.len), | |
| 1114 pSetLayouts: layouts.ToCPointer, | |
| 1115 ) | |
| 1116 checkVkResult vkAllocateDescriptorSets(device, addr(allocInfo), descriptorSets.ToCPointer) | |
| 1177 | 1117 ]# |
| 1176 | 1118 |
| 1119 #[ | |
| 1177 | 1120 # TODO: |
| 1121 # | |
| 1122 # assign indirect buffers to vertex data, can happen through the GPUArray/GPUValue-wrappers, they know buffers | |
| 1123 # assign direct buffers to vertex data | |
| 1124 # assign indirect buffers to uniform data | |
| 1125 # assign direct buffers to uniform data | |
| 1126 # | |
| 1127 # upload all textures | |
| 1128 # write descriptors for textures and uniform buffers | |
| 1129 # | |
| 1176 | 1130 ]# |
| 1131 var myRenderable: Renderable[MeshA, InstanceA] | |
| 1161 | 1132 |
| 1177 | 1133 var |
| 1134 indirectVertexSizes = 0'u64 | |
| 1135 directVertexSizes = 0'u64 | |
| 1136 indirectIndexSizes = 0'u64 | |
| 1137 directIndexSizes = 0'u64 | |
| 1138 indirectUniformSizes = 0'u64 | |
| 1139 directUniformSizes = 0'u64 | |
| 1140 | |
| 1141 indirectVertexSizes += GetIndirectBufferSizes(myMesh1) | |
| 1142 indirectVertexSizes += GetIndirectBufferSizes(instances1) | |
| 1143 if indirectVertexSizes > 0: | |
| 1144 AllocateIndirectBuffer(dev.vk, renderdata, indirectVertexSizes, [VK_BUFFER_USAGE_VERTEX_BUFFER_BIT]) | |
| 1145 | |
| 1146 directVertexSizes += GetDirectBufferSizes(myMesh1) | |
| 1147 directVertexSizes += GetDirectBufferSizes(instances1) | |
| 1148 if directVertexSizes > 0: | |
| 1149 AllocateDirectBuffer(dev.vk, renderdata, directVertexSizes, [VK_BUFFER_USAGE_VERTEX_BUFFER_BIT]) | |
| 1150 | |
| 1151 indirectIndexSizes += GetIndirectIndexBufferSizes(myMesh1) | |
| 1152 if indirectIndexSizes > 0: | |
| 1153 AllocateIndirectBuffer(dev.vk, renderdata, indirectIndexSizes, [VK_BUFFER_USAGE_INDEX_BUFFER_BIT]) | |
| 1154 | |
| 1155 directIndexSizes += GetDirectIndexBufferSizes(myMesh1) | |
| 1156 if directIndexSizes > 0: | |
| 1157 AllocateIndirectBuffer(dev.vk, renderdata, directIndexSizes, [VK_BUFFER_USAGE_INDEX_BUFFER_BIT]) | |
| 1158 | |
| 1159 indirectUniformSizes += GetIndirectBufferSizes(uniforms1) | |
| 1160 indirectUniformSizes += GetIndirectBufferSizes(myGlobals) | |
| 1161 if indirectUniformSizes > 0: | |
| 1162 AllocateIndirectBuffer(dev.vk, renderdata, indirectUniformSizes, [VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT]) | |
| 1163 | |
| 1164 directUniformSizes += GetDirectBufferSizes(uniforms1) | |
| 1165 directUniformSizes += GetDirectBufferSizes(myGlobals) | |
| 1166 if directUniformSizes > 0: | |
| 1167 AllocateDirectBuffer(dev.vk, renderdata, directUniformSizes, [VK_BUFFER_USAGE_VERTEX_BUFFER_BIT]) | |
| 1168 | |
| 1173 | 1169 # descriptors |
| 1177 | 1170 # WriteDescriptors(dev.vk, pipeline1) |
| 1173 | 1171 |
| 1172 # command buffer | |
| 1173 var | |
| 1174 commandBufferPool: VkCommandPool | |
| 1175 cmdBuffers: array[INFLIGHTFRAMES.int, VkCommandBuffer] | |
| 1176 createInfo = VkCommandPoolCreateInfo( | |
| 1177 sType: VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO, | |
| 1178 flags: toBits [VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT], | |
| 1179 queueFamilyIndex: dev.FirstGraphicsQueue().get().family.index, | |
| 1180 ) | |
| 1181 checkVkResult vkCreateCommandPool(dev.vk, addr createInfo, nil, addr commandBufferPool) | |
| 1182 var allocInfo = VkCommandBufferAllocateInfo( | |
| 1183 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO, | |
| 1184 commandPool: commandBufferPool, | |
| 1185 level: VK_COMMAND_BUFFER_LEVEL_PRIMARY, | |
| 1186 commandBufferCount: INFLIGHTFRAMES, | |
| 1187 ) | |
| 1188 checkVkResult vkAllocateCommandBuffers(dev.vk, addr allocInfo, cmdBuffers.ToCPointer) | |
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1189 |
| 1173 | 1190 # start command buffer |
| 1191 block: | |
| 1192 let | |
| 1193 currentFramebuffer = VkFramebuffer(0) # TODO | |
| 1194 currentFrameInFlight = 1 | |
| 1195 cmd = cmdBuffers[currentFrameInFlight] | |
| 1196 beginInfo = VkCommandBufferBeginInfo( | |
| 1197 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, | |
| 1198 flags: VkCommandBufferUsageFlags(VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT), | |
| 1199 ) | |
| 1200 checkVkResult cmd.vkResetCommandBuffer(VkCommandBufferResetFlags(0)) | |
| 1201 checkVkResult cmd.vkBeginCommandBuffer(addr(beginInfo)) | |
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1202 |
| 1173 | 1203 # start renderpass |
| 1204 block: | |
| 1205 var | |
| 1206 clearColors = [VkClearValue(color: VkClearColorValue(float32: [0, 0, 0, 0]))] | |
| 1207 renderPassInfo = VkRenderPassBeginInfo( | |
| 1208 sType: VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO, | |
| 1209 renderPass: renderpass, | |
| 1210 framebuffer: currentFramebuffer, | |
| 1211 renderArea: VkRect2D( | |
| 1212 offset: VkOffset2D(x: 0, y: 0), | |
| 1213 extent: VkExtent2D(width: frameWidth, height: frameHeight), | |
| 1214 ), | |
| 1215 clearValueCount: uint32(clearColors.len), | |
| 1216 pClearValues: clearColors.ToCPointer(), | |
| 1217 ) | |
| 1218 viewport = VkViewport( | |
| 1219 x: 0.0, | |
| 1220 y: 0.0, | |
| 1221 width: frameWidth.float32, | |
| 1222 height: frameHeight.float32, | |
| 1223 minDepth: 0.0, | |
| 1224 maxDepth: 1.0, | |
| 1225 ) | |
| 1226 scissor = VkRect2D( | |
| 1227 offset: VkOffset2D(x: 0, y: 0), | |
| 1228 extent: VkExtent2D(width: frameWidth, height: frameHeight) | |
| 1229 ) | |
| 1230 vkCmdBeginRenderPass(cmd, addr(renderPassInfo), VK_SUBPASS_CONTENTS_INLINE) | |
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1231 |
| 1173 | 1232 # setup viewport |
| 1233 vkCmdSetViewport(cmd, firstViewport = 0, viewportCount = 1, addr(viewport)) | |
| 1234 vkCmdSetScissor(cmd, firstScissor = 0, scissorCount = 1, addr(scissor)) | |
| 1235 | |
| 1236 # bind pipeline, will be loop | |
| 1237 block: | |
| 1238 Bind(pipeline1, cmd, currentFrameInFlight = currentFrameInFlight) | |
| 1239 | |
| 1240 # render object, will be loop | |
| 1241 block: | |
| 1177 | 1242 Render(pipeline1, myRenderable, uniforms1, myGlobals, cmd) |
| 1173 | 1243 |
| 1244 vkCmdEndRenderPass(cmd) | |
| 1245 checkVkResult cmd.vkEndCommandBuffer() |