Mercurial > games > semicongine
annotate static_utils.nim @ 1180:d554f8185815 compiletime-tests
add: tons of work on descriptors
| author | sam <sam@basx.dev> |
|---|---|
| date | Tue, 02 Jul 2024 06:42:42 +0700 |
| parents | e1830f9b8af4 |
| children | 6b66e6c837bc |
| rev | line source |
|---|---|
| 1162 | 1 import std/os |
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add: more static compilation stuff, code is getting a bit crazy, but also super nice API
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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 | |
| 15 | |
| 1179 | 16 template VertexAttribute {.pragma.} |
| 17 template InstanceAttribute {.pragma.} | |
| 18 template Pass {.pragma.} | |
| 19 template PassFlat {.pragma.} | |
| 20 template ShaderOutput {.pragma.} | |
| 1180 | 21 template VertexIndices {.pragma.} |
| 22 template DescriptorSet {.pragma.} | |
| 1159 | 23 |
| 1165 | 24 const INFLIGHTFRAMES = 2'u32 |
| 1180 | 25 const MAX_DESCRIPTORSETS = 2 |
| 1177 | 26 const MEMORY_ALIGNMENT = 65536'u64 # Align buffers inside memory along this alignment |
| 1178 | 27 const BUFFER_ALIGNMENT = 64'u64 # align offsets inside buffers along this alignment |
| 1176 | 28 |
| 1179 | 29 # some globals that will (likely?) never change during the life time of the engine |
| 1159 | 30 type |
| 1179 | 31 VulkanGlobals = object |
| 32 instance: VkInstance | |
| 33 device: VkDevice | |
| 34 physicalDevice: VkPhysicalDevice | |
| 35 queueFamilyIndex: uint32 | |
| 36 queue: VkQueue | |
| 37 var vulkan: VulkanGlobals | |
| 38 | |
| 39 type | |
| 40 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] | |
| 41 ShaderObject[TShader] = object | |
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parents:
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changeset
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42 vertexShader: VkShaderModule |
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parents:
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43 fragmentShader: VkShaderModule |
| 1159 | 44 |
| 1179 | 45 func alignedTo[T: SomeInteger](value: T, alignment: T): T = |
| 1178 | 46 let remainder = value mod alignment |
| 47 if remainder == 0: | |
| 48 return value | |
| 49 else: | |
| 50 return value + alignment - remainder | |
| 51 | |
| 1159 | 52 func VkType[T: SupportedGPUType](value: T): VkFormat = |
| 53 when T is float32: VK_FORMAT_R32_SFLOAT | |
| 54 elif T is float64: VK_FORMAT_R64_SFLOAT | |
| 55 elif T is int8: VK_FORMAT_R8_SINT | |
| 56 elif T is int16: VK_FORMAT_R16_SINT | |
| 57 elif T is int32: VK_FORMAT_R32_SINT | |
| 58 elif T is int64: VK_FORMAT_R64_SINT | |
| 59 elif T is uint8: VK_FORMAT_R8_UINT | |
| 60 elif T is uint16: VK_FORMAT_R16_UINT | |
| 61 elif T is uint32: VK_FORMAT_R32_UINT | |
| 62 elif T is uint64: VK_FORMAT_R64_UINT | |
| 63 elif T is TVec2[int32]: VK_FORMAT_R32G32_SINT | |
| 64 elif T is TVec2[int64]: VK_FORMAT_R64G64_SINT | |
| 65 elif T is TVec3[int32]: VK_FORMAT_R32G32B32_SINT | |
| 66 elif T is TVec3[int64]: VK_FORMAT_R64G64B64_SINT | |
| 67 elif T is TVec4[int32]: VK_FORMAT_R32G32B32A32_SINT | |
| 68 elif T is TVec4[int64]: VK_FORMAT_R64G64B64A64_SINT | |
| 69 elif T is TVec2[uint32]: VK_FORMAT_R32G32_UINT | |
| 70 elif T is TVec2[uint64]: VK_FORMAT_R64G64_UINT | |
| 71 elif T is TVec3[uint32]: VK_FORMAT_R32G32B32_UINT | |
| 72 elif T is TVec3[uint64]: VK_FORMAT_R64G64B64_UINT | |
| 73 elif T is TVec4[uint32]: VK_FORMAT_R32G32B32A32_UINT | |
| 74 elif T is TVec4[uint64]: VK_FORMAT_R64G64B64A64_UINT | |
| 75 elif T is TVec2[float32]: VK_FORMAT_R32G32_SFLOAT | |
| 76 elif T is TVec2[float64]: VK_FORMAT_R64G64_SFLOAT | |
| 77 elif T is TVec3[float32]: VK_FORMAT_R32G32B32_SFLOAT | |
| 78 elif T is TVec3[float64]: VK_FORMAT_R64G64B64_SFLOAT | |
| 79 elif T is TVec4[float32]: VK_FORMAT_R32G32B32A32_SFLOAT | |
| 80 elif T is TVec4[float64]: VK_FORMAT_R64G64B64A64_SFLOAT | |
| 1162 | 81 elif T is TMat2[float32]: VK_FORMAT_R32G32_SFLOAT |
| 82 elif T is TMat2[float64]: VK_FORMAT_R64G64_SFLOAT | |
| 83 elif T is TMat23[float32]: VK_FORMAT_R32G32B32_SFLOAT | |
| 84 elif T is TMat23[float64]: VK_FORMAT_R64G64B64_SFLOAT | |
| 85 elif T is TMat32[float32]: VK_FORMAT_R32G32_SFLOAT | |
| 86 elif T is TMat32[float64]: VK_FORMAT_R64G64_SFLOAT | |
| 87 elif T is TMat3[float32]: VK_FORMAT_R32G32B32_SFLOAT | |
| 88 elif T is TMat3[float64]: VK_FORMAT_R64G64B64_SFLOAT | |
| 89 elif T is TMat34[float32]: VK_FORMAT_R32G32B32A32_SFLOAT | |
| 90 elif T is TMat34[float64]: VK_FORMAT_R64G64B64A64_SFLOAT | |
| 91 elif T is TMat43[float32]: VK_FORMAT_R32G32B32_SFLOAT | |
| 92 elif T is TMat43[float64]: VK_FORMAT_R64G64B64_SFLOAT | |
| 93 elif T is TMat4[float32]: VK_FORMAT_R32G32B32A32_SFLOAT | |
| 94 elif T is TMat4[float64]: VK_FORMAT_R64G64B64A64_SFLOAT | |
| 95 else: {.error: "Unsupported data type on GPU".} | |
| 96 | |
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add: more static compilation stuff, code is getting a bit crazy, but also super nice API
sam <sam@basx.dev>
parents:
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diff
changeset
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97 func GlslType[T: SupportedGPUType|Texture](value: T): string = |
| 1162 | 98 when T is float32: "float" |
| 99 elif T is float64: "double" | |
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sam <sam@basx.dev>
parents:
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changeset
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100 elif T is int8 or T is int16 or T is int32 or T is int64: "int" |
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438d32d8b14f
add: more static compilation stuff, code is getting a bit crazy, but also super nice API
sam <sam@basx.dev>
parents:
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diff
changeset
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101 elif T is uint8 or T is uint16 or T is uint32 or T is uint64: "uint" |
| 1162 | 102 elif T is TVec2[int32]: "ivec2" |
| 103 elif T is TVec2[int64]: "ivec2" | |
| 104 elif T is TVec3[int32]: "ivec3" | |
| 105 elif T is TVec3[int64]: "ivec3" | |
| 106 elif T is TVec4[int32]: "ivec4" | |
| 107 elif T is TVec4[int64]: "ivec4" | |
| 108 elif T is TVec2[uint32]: "uvec2" | |
| 109 elif T is TVec2[uint64]: "uvec2" | |
| 110 elif T is TVec3[uint32]: "uvec3" | |
| 111 elif T is TVec3[uint64]: "uvec3" | |
| 112 elif T is TVec4[uint32]: "uvec4" | |
| 113 elif T is TVec4[uint64]: "uvec4" | |
| 114 elif T is TVec2[float32]: "vec2" | |
| 115 elif T is TVec2[float64]: "dvec2" | |
| 116 elif T is TVec3[float32]: "vec3" | |
| 117 elif T is TVec3[float64]: "dvec3" | |
| 118 elif T is TVec4[float32]: "vec4" | |
| 119 elif T is TVec4[float64]: "dvec4" | |
| 120 elif T is TMat2[float32]: "mat2" | |
| 121 elif T is TMat2[float64]: "dmat2" | |
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sam <sam@basx.dev>
parents:
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changeset
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122 elif T is TMat23[float32]: "mat23" |
| 1162 | 123 elif T is TMat23[float64]: "dmat23" |
| 124 elif T is TMat32[float32]: "mat32" | |
| 125 elif T is TMat32[float64]: "dmat32" | |
| 126 elif T is TMat3[float32]: "mat3" | |
| 127 elif T is TMat3[float64]: "dmat3" | |
| 128 elif T is TMat34[float32]: "mat34" | |
| 129 elif T is TMat34[float64]: "dmat34" | |
| 130 elif T is TMat43[float32]: "mat43" | |
| 131 elif T is TMat43[float64]: "dmat43" | |
| 132 elif T is TMat4[float32]: "mat4" | |
| 133 elif T is TMat4[float64]: "dmat4" | |
| 134 elif T is Texture: "sampler2D" | |
| 1159 | 135 else: {.error: "Unsupported data type on GPU".} |
| 136 | |
| 1179 | 137 template ForVertexDataFields(shader: typed, fieldname, valuename, isinstancename, body: untyped): untyped = |
| 138 for theFieldname, value in fieldPairs(shader): | |
| 1161 | 139 when hasCustomPragma(value, VertexAttribute) or hasCustomPragma(value, InstanceAttribute): |
| 1159 | 140 when not typeof(value) is seq: |
| 141 {.error: "field '" & theFieldname & "' needs to be a seq".} | |
| 142 when not typeof(value) is SupportedGPUType: | |
| 143 {.error: "field '" & theFieldname & "' is not a supported GPU type".} | |
| 144 block: | |
| 1179 | 145 const `fieldname` {.inject.} = theFieldname |
| 1162 | 146 let `valuename` {.inject.} = value |
| 1179 | 147 const `isinstancename` {.inject.} = hasCustomPragma(value, InstanceAttribute) |
| 1159 | 148 body |
| 149 | |
| 1180 | 150 template ForDescriptorSets(shader: typed, setNumber, descriptorSet, body: untyped): untyped = |
| 151 var n = 0 | |
| 152 for theFieldname, value in fieldPairs(shader): | |
| 153 when value.hasCustomPragma(DescriptorSet): | |
| 154 block: | |
| 155 let `setNumber` {.inject.} = n | |
| 156 let `descriptorSet` {.inject.} = value | |
| 157 body | |
| 158 n.inc | |
| 159 | |
| 1179 | 160 template ForDescriptorFields(shader: typed, fieldname, typename, countname, bindingNumber, body: untyped): untyped = |
| 1173 | 161 var `bindingNumber` {.inject.} = 1'u32 |
| 1179 | 162 for theFieldname, value in fieldPairs(shader): |
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sam <sam@basx.dev>
parents:
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163 when typeof(value) is Texture: |
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438d32d8b14f
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sam <sam@basx.dev>
parents:
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changeset
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164 block: |
| 1180 | 165 const `fieldname` {.inject.} = theFieldname |
| 1179 | 166 const `typename` {.inject.} = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER |
| 167 const `countname` {.inject.} = 1'u32 | |
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parents:
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changeset
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168 body |
| 1173 | 169 `bindingNumber`.inc |
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parents:
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changeset
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170 elif typeof(value) is object: |
| 1161 | 171 block: |
| 1180 | 172 const `fieldname` {.inject.} = theFieldname |
| 1179 | 173 const `typename` {.inject.} = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER |
| 174 const `countname` {.inject.} = 1'u32 | |
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parents:
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changeset
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175 body |
| 1173 | 176 `bindingNumber`.inc |
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177 elif typeof(value) is array: |
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438d32d8b14f
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sam <sam@basx.dev>
parents:
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changeset
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178 when elementType(value) is Texture: |
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438d32d8b14f
add: more static compilation stuff, code is getting a bit crazy, but also super nice API
sam <sam@basx.dev>
parents:
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diff
changeset
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179 block: |
| 1180 | 180 const `fieldname` {.inject.} = theFieldname |
| 1179 | 181 const `typename` {.inject.} = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER |
| 182 const `countname` {.inject.} = uint32(typeof(value).len) | |
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sam <sam@basx.dev>
parents:
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changeset
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183 body |
| 1173 | 184 `bindingNumber`.inc |
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sam <sam@basx.dev>
parents:
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changeset
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185 elif elementType(value) is object: |
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438d32d8b14f
add: more static compilation stuff, code is getting a bit crazy, but also super nice API
sam <sam@basx.dev>
parents:
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diff
changeset
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186 block: |
| 1180 | 187 const `fieldname` {.inject.} = theFieldname |
| 1179 | 188 const `typename` {.inject.} = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER |
| 189 const `countname` {.inject.} = uint32(typeof(value).len) | |
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sam <sam@basx.dev>
parents:
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changeset
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190 body |
| 1173 | 191 `bindingNumber`.inc |
| 1161 | 192 |
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parents:
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changeset
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193 func NumberOfVertexInputAttributeDescriptors[T: SupportedGPUType|Texture](value: T): uint32 = |
| 1159 | 194 when T is TMat2[float32] or T is TMat2[float64] or T is TMat23[float32] or T is TMat23[float64]: |
| 195 2 | |
| 196 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]: | |
| 197 3 | |
| 198 elif T is TMat43[float32] or T is TMat43[float64] or T is TMat4[float32] or T is TMat4[float64]: | |
| 199 4 | |
| 200 else: | |
| 201 1 | |
| 202 | |
| 1162 | 203 func NLocationSlots[T: SupportedGPUType|Texture](value: T): uint32 = |
| 1159 | 204 #[ |
| 205 single location: | |
| 1162 | 206 - any scalar |
| 207 - any 16-bit vector | |
| 208 - any 32-bit vector | |
| 209 - any 64-bit vector that has max. 2 components | |
| 1159 | 210 16-bit scalar and vector types, and |
| 211 32-bit scalar and vector types, and | |
| 212 64-bit scalar and 2-component vector types. | |
| 213 two locations | |
| 214 64-bit three- and four-component vectors | |
| 215 ]# | |
| 1162 | 216 when T is TVec3[int64] or |
| 217 T is TVec4[int64] or | |
| 218 T is TVec3[uint64] or | |
| 219 T is TVec4[uint64] or | |
| 220 T is TVec3[float64] or | |
| 221 T is TVec4[float64] or | |
| 222 T is TMat23[float64] or | |
| 223 T is TMat3[float64] or | |
| 224 T is TMat34[float64] or | |
| 225 T is TMat43[float64] or | |
| 226 T is TMat4[float64]: | |
| 1159 | 227 return 2 |
| 228 else: | |
| 229 return 1 | |
| 230 | |
| 231 type | |
| 1161 | 232 IndexType = enum |
| 233 None, UInt8, UInt16, UInt32 | |
| 1176 | 234 |
| 235 IndirectGPUMemory = object | |
| 236 vk: VkDeviceMemory | |
| 237 size: uint64 | |
| 1177 | 238 needsTransfer: bool # usually true |
| 1176 | 239 DirectGPUMemory = object |
| 240 vk: VkDeviceMemory | |
| 241 size: uint64 | |
| 242 data: pointer | |
| 1177 | 243 needsFlush: bool # usually true |
| 1176 | 244 GPUMemory = IndirectGPUMemory | DirectGPUMemory |
| 245 | |
| 246 Buffer[TMemory: GPUMemory] = object | |
| 1178 | 247 memory: TMemory |
| 1176 | 248 vk: VkBuffer |
| 249 offset: uint64 | |
| 250 size: uint64 | |
| 251 | |
| 252 GPUArray[T: SupportedGPUType, TMemory: GPUMemory] = object | |
| 253 data: seq[T] | |
| 254 buffer: Buffer[TMemory] | |
| 255 offset: uint64 | |
| 256 GPUValue[T: object|array, TMemory: GPUMemory] = object | |
| 257 data: T | |
| 258 buffer: Buffer[TMemory] | |
| 259 offset: uint64 | |
| 1178 | 260 GPUData = GPUArray | GPUValue |
| 1176 | 261 |
| 1162 | 262 Pipeline[TShader] = object |
| 1159 | 263 pipeline: VkPipeline |
| 264 layout: VkPipelineLayout | |
| 1180 | 265 descriptorSetLayouts: array[MAX_DESCRIPTORSETS, VkDescriptorSetLayout] |
| 1178 | 266 BufferType = enum |
| 267 VertexBuffer, IndexBuffer, UniformBuffer | |
| 1176 | 268 RenderData = object |
| 269 descriptorPool: VkDescriptorPool | |
| 1177 | 270 # tuple is memory and offset to next free allocation in that memory |
| 1179 | 271 indirectMemory: seq[tuple[memory: IndirectGPUMemory, usedOffset: uint64]] |
| 272 directMemory: seq[tuple[memory: DirectGPUMemory, usedOffset: uint64]] | |
| 273 indirectBuffers: seq[tuple[buffer: Buffer[IndirectGPUMemory], btype: BufferType, usedOffset: uint64]] | |
| 274 directBuffers: seq[tuple[buffer: Buffer[DirectGPUMemory], btype: BufferType, usedOffset: uint64]] | |
| 1178 | 275 |
| 276 template UsesIndirectMemory(gpuData: GPUData): untyped = | |
| 277 get(genericParams(typeof(gpuData)), 1) is IndirectGPUMemory | |
| 278 template UsesDirectMemory(gpuData: GPUData): untyped = | |
| 279 get(genericParams(typeof(gpuData)), 1) is DirectGPUMemory | |
| 280 | |
| 281 template size(gpuArray: GPUArray): uint64 = | |
| 1179 | 282 (gpuArray.data.len * sizeof(elementType(gpuArray.data))).uint64 |
| 1178 | 283 template size(gpuValue: GPUValue): uint64 = |
| 1179 | 284 sizeof(gpuValue.data).uint64 |
| 285 | |
| 286 template datapointer(gpuArray: GPUArray): pointer = | |
| 287 addr(gpuArray.data[0]) | |
| 288 template datapointer(gpuValue: GPUValue): pointer = | |
| 289 addr(gpuValue.data) | |
| 1178 | 290 |
| 1179 | 291 proc AllocationSize(buffer: Buffer): uint64 = |
| 292 var req: VkMemoryRequirements | |
| 293 vkGetBufferMemoryRequirements(vulkan.device, buffer.vk, addr(req)) | |
| 294 return req.size | |
| 295 | |
| 296 proc GetPhysicalDevice(instance: VkInstance): VkPhysicalDevice = | |
| 1178 | 297 var nDevices: uint32 |
| 1179 | 298 checkVkResult vkEnumeratePhysicalDevices(instance, addr(nDevices), nil) |
| 1178 | 299 var devices = newSeq[VkPhysicalDevice](nDevices) |
| 1179 | 300 checkVkResult vkEnumeratePhysicalDevices(instance, addr(nDevices), devices.ToCPointer) |
| 1178 | 301 |
| 1179 | 302 var score = 0'u32 |
| 1178 | 303 for pDevice in devices: |
| 304 var props: VkPhysicalDeviceProperties | |
| 305 vkGetPhysicalDeviceProperties(pDevice, addr(props)) | |
| 1179 | 306 if props.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU and props.limits.maxImageDimension2D > score: |
| 307 score = props.limits.maxImageDimension2D | |
| 1178 | 308 result = pDevice |
| 309 | |
| 1179 | 310 if score == 0: |
| 1178 | 311 for pDevice in devices: |
| 312 var props: VkPhysicalDeviceProperties | |
| 313 vkGetPhysicalDeviceProperties(pDevice, addr(props)) | |
| 1179 | 314 if props.deviceType == VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU and props.limits.maxImageDimension2D > score: |
| 315 score = props.limits.maxImageDimension2D | |
| 1178 | 316 result = pDevice |
| 317 | |
| 318 assert score > 0, "Unable to find integrated or discrete GPU" | |
| 319 | |
| 320 | |
| 1179 | 321 proc GetDirectMemoryTypeIndex(): uint32 = |
| 1178 | 322 var physicalProperties: VkPhysicalDeviceMemoryProperties |
| 1179 | 323 vkGetPhysicalDeviceMemoryProperties(vulkan.physicalDevice, addr(physicalProperties)) |
| 1178 | 324 |
| 325 var biggestHeap: uint64 = 0 | |
| 326 result = high(uint32) | |
| 327 # try to find host-visible type | |
| 1179 | 328 for i in 0'u32 ..< physicalProperties.memoryTypeCount: |
| 1178 | 329 let flags = toEnums(physicalProperties.memoryTypes[i].propertyFlags) |
| 330 if VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT in flags: | |
| 331 let size = physicalProperties.memoryHeaps[physicalProperties.memoryTypes[i].heapIndex].size | |
| 332 if size > biggestHeap: | |
| 333 biggestHeap = size | |
| 334 result = i | |
| 335 assert result != high(uint32), "There is not host visible memory. This is likely a driver bug." | |
| 336 | |
| 1179 | 337 proc GetQueueFamily(pDevice: VkPhysicalDevice, qType: VkQueueFlagBits): uint32 = |
| 1178 | 338 var nQueuefamilies: uint32 |
| 1179 | 339 vkGetPhysicalDeviceQueueFamilyProperties(pDevice, addr nQueuefamilies, nil) |
| 1178 | 340 var queuFamilies = newSeq[VkQueueFamilyProperties](nQueuefamilies) |
| 1179 | 341 vkGetPhysicalDeviceQueueFamilyProperties(pDevice, addr nQueuefamilies, queuFamilies.ToCPointer) |
| 342 for i in 0'u32 ..< nQueuefamilies: | |
| 1178 | 343 if qType in toEnums(queuFamilies[i].queueFlags): |
| 344 return i | |
| 345 assert false, &"Queue of type {qType} not found" | |
| 346 | |
| 1179 | 347 proc GetQueue(device: VkDevice, queueFamilyIndex: uint32, qType: VkQueueFlagBits): VkQueue = |
| 348 vkGetDeviceQueue( | |
| 1178 | 349 device, |
| 1179 | 350 queueFamilyIndex, |
| 1178 | 351 0, |
| 352 addr(result), | |
| 353 ) | |
| 354 | |
| 1179 | 355 proc GetSurfaceFormat(): VkFormat = |
| 356 # EVERY windows driver and almost every linux driver should support this | |
| 357 VK_FORMAT_B8G8R8A8_SRGB | |
| 1162 | 358 |
| 1179 | 359 template WithSingleUseCommandBuffer(device: VkDevice, cmd, body: untyped): untyped = |
| 1178 | 360 block: |
| 1179 | 361 var |
| 362 commandBufferPool: VkCommandPool | |
| 363 createInfo = VkCommandPoolCreateInfo( | |
| 1178 | 364 sType: VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO, |
| 365 flags: toBits [VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT], | |
| 1179 | 366 queueFamilyIndex: vulkan.queueFamilyIndex, |
| 1178 | 367 ) |
| 368 checkVkResult vkCreateCommandPool(device, addr createInfo, nil, addr(commandBufferPool)) | |
| 369 var | |
| 370 `cmd` {.inject.}: VkCommandBuffer | |
| 371 allocInfo = VkCommandBufferAllocateInfo( | |
| 372 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO, | |
| 373 commandPool: commandBufferPool, | |
| 374 level: VK_COMMAND_BUFFER_LEVEL_PRIMARY, | |
| 375 commandBufferCount: 1, | |
| 376 ) | |
| 1179 | 377 checkVkResult device.vkAllocateCommandBuffers(addr allocInfo, addr(`cmd`)) |
| 378 var beginInfo = VkCommandBufferBeginInfo( | |
| 1178 | 379 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, |
| 380 flags: VkCommandBufferUsageFlags(VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT), | |
| 381 ) | |
| 382 checkVkResult `cmd`.vkBeginCommandBuffer(addr beginInfo) | |
| 383 | |
| 384 body | |
| 385 | |
| 386 checkVkResult `cmd`.vkEndCommandBuffer() | |
| 387 var submitInfo = VkSubmitInfo( | |
| 388 sType: VK_STRUCTURE_TYPE_SUBMIT_INFO, | |
| 389 commandBufferCount: 1, | |
| 390 pCommandBuffers: addr(`cmd`), | |
| 391 ) | |
| 1179 | 392 |
| 393 var | |
| 394 fence: VkFence | |
| 395 fenceInfo = VkFenceCreateInfo( | |
| 396 sType: VK_STRUCTURE_TYPE_FENCE_CREATE_INFO, | |
| 397 # flags: toBits [VK_FENCE_CREATE_SIGNALED_BIT] | |
| 398 ) | |
| 399 checkVkResult device.vkCreateFence(addr(fenceInfo), nil, addr(fence)) | |
| 400 checkVkResult vkQueueSubmit(vulkan.queue, 1, addr(submitInfo), fence) | |
| 401 checkVkResult vkWaitForFences(device, 1, addr fence, false, high(uint64)) | |
| 1178 | 402 vkDestroyCommandPool(device, commandBufferPool, nil) |
| 403 | |
| 404 | |
| 1179 | 405 proc UpdateGPUBuffer(gpuData: GPUData) = |
| 406 if gpuData.size == 0: | |
| 407 return | |
| 1178 | 408 when UsesDirectMemory(gpuData): |
| 1179 | 409 copyMem(cast[pointer](cast[uint64](gpuData.buffer.memory.data) + gpuData.buffer.offset + gpuData.offset), gpuData.datapointer, gpuData.size) |
| 1178 | 410 else: |
| 411 var | |
| 412 stagingBuffer: VkBuffer | |
| 413 createInfo = VkBufferCreateInfo( | |
| 414 sType: VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, | |
| 415 flags: VkBufferCreateFlags(0), | |
| 416 size: gpuData.size, | |
| 417 usage: toBits([VK_BUFFER_USAGE_TRANSFER_SRC_BIT]), | |
| 418 sharingMode: VK_SHARING_MODE_EXCLUSIVE, | |
| 419 ) | |
| 420 checkVkResult vkCreateBuffer( | |
| 1179 | 421 device = vulkan.device, |
| 1178 | 422 pCreateInfo = addr(createInfo), |
| 423 pAllocator = nil, | |
| 424 pBuffer = addr(stagingBuffer), | |
| 425 ) | |
| 426 var | |
| 427 stagingMemory: VkDeviceMemory | |
| 428 stagingPtr: pointer | |
| 429 memoryAllocationInfo = VkMemoryAllocateInfo( | |
| 430 sType: VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, | |
| 1179 | 431 allocationSize: gpuData.buffer.AllocationSize(), |
| 1178 | 432 memoryTypeIndex: GetDirectMemoryTypeIndex(), |
| 433 ) | |
| 434 checkVkResult vkAllocateMemory( | |
| 1179 | 435 vulkan.device, |
| 1178 | 436 addr(memoryAllocationInfo), |
| 437 nil, | |
| 438 addr(stagingMemory), | |
| 439 ) | |
| 1179 | 440 checkVkResult vkBindBufferMemory(vulkan.device, stagingBuffer, stagingMemory, 0) |
| 1178 | 441 checkVkResult vkMapMemory( |
| 1179 | 442 device = vulkan.device, |
| 1178 | 443 memory = stagingMemory, |
| 444 offset = 0'u64, | |
| 445 size = VK_WHOLE_SIZE, | |
| 446 flags = VkMemoryMapFlags(0), | |
| 1179 | 447 ppData = addr(stagingPtr) |
| 1178 | 448 ) |
| 1179 | 449 copyMem(stagingPtr, gpuData.datapointer, gpuData.size) |
| 1178 | 450 var stagingRange = VkMappedMemoryRange( |
| 451 sType: VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE, | |
| 452 memory: stagingMemory, | |
| 453 size: VK_WHOLE_SIZE, | |
| 454 ) | |
| 1179 | 455 checkVkResult vkFlushMappedMemoryRanges(vulkan.device, 1, addr(stagingRange)) |
| 1178 | 456 |
| 1179 | 457 WithSingleUseCommandBuffer(vulkan.device, commandBuffer): |
| 1178 | 458 var copyRegion = VkBufferCopy(size: gpuData.size) |
| 459 vkCmdCopyBuffer(commandBuffer, stagingBuffer, gpuData.buffer.vk, 1, addr(copyRegion)) | |
| 460 | |
| 1179 | 461 vkDestroyBuffer(vulkan.device, stagingBuffer, nil) |
| 462 vkFreeMemory(vulkan.device, stagingMemory, nil) | |
| 463 | |
| 464 proc UpdateAllGPUBuffers[T](value: T) = | |
| 465 for name, fieldvalue in value.fieldPairs(): | |
| 466 when typeof(fieldvalue) is GPUData: | |
| 467 UpdateGPUBuffer(fieldvalue) | |
| 1177 | 468 |
| 1180 | 469 proc AssertCompatible(TShader, TDescriptorSet: typedesc, DescriptorSetIndex: static int) = |
| 470 ForDescriptorSets(default(TShader), setNumber, descriptorSet): | |
| 471 if setNumber == DescriptorSetIndex: | |
| 472 assert typeof(descriptorSet) is TDescriptorSet | |
| 473 | |
| 474 proc CreateDescriptorSet[T, TShader]( | |
| 475 renderData: RenderData, | |
| 476 pipeline: Pipeline[TShader], | |
| 477 value: T, | |
| 478 setNumber: static int | |
| 479 ): array[INFLIGHTFRAMES.int, VkDescriptorSet] = | |
| 480 | |
| 481 static: AssertCompatible(TShader, T, setNumber) | |
| 482 | |
| 483 var layouts = newSeqWith(result.len, pipeline.descriptorSetLayouts[setNumber]) | |
| 484 var allocInfo = VkDescriptorSetAllocateInfo( | |
| 485 sType: VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO, | |
| 486 descriptorPool: renderData.descriptorPool, | |
| 487 descriptorSetCount: uint32(layouts.len), | |
| 488 pSetLayouts: layouts.ToCPointer, | |
| 489 ) | |
| 490 checkVkResult vkAllocateDescriptorSets(vulkan.device, addr(allocInfo), result.ToCPointer) | |
| 491 | |
| 1161 | 492 converter toVkIndexType(indexType: IndexType): VkIndexType = |
| 493 case indexType: | |
| 494 of None: VK_INDEX_TYPE_NONE_KHR | |
| 495 of UInt8: VK_INDEX_TYPE_UINT8_EXT | |
| 496 of UInt16: VK_INDEX_TYPE_UINT16 | |
| 497 of UInt32: VK_INDEX_TYPE_UINT32 | |
| 1159 | 498 |
| 1179 | 499 proc CreateRenderPass(format: VkFormat): VkRenderPass = |
| 1172 | 500 var |
| 501 attachments = @[VkAttachmentDescription( | |
| 502 format: format, | |
| 503 samples: VK_SAMPLE_COUNT_1_BIT, | |
| 504 loadOp: VK_ATTACHMENT_LOAD_OP_CLEAR, | |
| 505 storeOp: VK_ATTACHMENT_STORE_OP_STORE, | |
| 506 stencilLoadOp: VK_ATTACHMENT_LOAD_OP_DONT_CARE, | |
| 507 stencilStoreOp: VK_ATTACHMENT_STORE_OP_DONT_CARE, | |
| 508 initialLayout: VK_IMAGE_LAYOUT_UNDEFINED, | |
| 509 finalLayout: VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, | |
| 510 )] | |
| 511 dependencies = @[VkSubpassDependency( | |
| 512 srcSubpass: VK_SUBPASS_EXTERNAL, | |
| 513 dstSubpass: 0, | |
| 514 srcStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT], | |
| 515 srcAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT], | |
| 516 dstStageMask: toBits [VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT], | |
| 517 dstAccessMask: toBits [VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT], | |
| 518 )] | |
| 519 outputs = @[ | |
| 520 VkAttachmentReference( | |
| 521 attachment: 0, | |
| 522 layout: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, | |
| 523 ) | |
| 524 ] | |
| 525 | |
| 526 var subpassesList = [ | |
| 527 VkSubpassDescription( | |
| 528 flags: VkSubpassDescriptionFlags(0), | |
| 529 pipelineBindPoint: VK_PIPELINE_BIND_POINT_GRAPHICS, | |
| 530 inputAttachmentCount: 0, | |
| 531 pInputAttachments: nil, | |
| 532 colorAttachmentCount: uint32(outputs.len), | |
| 533 pColorAttachments: outputs.ToCPointer, | |
| 534 pResolveAttachments: nil, | |
| 535 pDepthStencilAttachment: nil, | |
| 536 preserveAttachmentCount: 0, | |
| 537 pPreserveAttachments: nil, | |
| 538 ) | |
| 539 ] | |
| 540 | |
| 541 var createInfo = VkRenderPassCreateInfo( | |
| 542 sType: VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, | |
| 543 attachmentCount: uint32(attachments.len), | |
| 544 pAttachments: attachments.ToCPointer, | |
| 545 subpassCount: uint32(subpassesList.len), | |
| 546 pSubpasses: subpassesList.ToCPointer, | |
| 547 dependencyCount: uint32(dependencies.len), | |
| 548 pDependencies: dependencies.ToCPointer, | |
| 549 ) | |
| 1179 | 550 checkVkResult vulkan.device.vkCreateRenderPass(addr(createInfo), nil, addr(result)) |
| 1172 | 551 |
| 1162 | 552 proc compileGlslToSPIRV(stage: VkShaderStageFlagBits, shaderSource: string): seq[uint32] {.compileTime.} = |
| 553 func stage2string(stage: VkShaderStageFlagBits): string {.compileTime.} = | |
| 554 case stage | |
| 555 of VK_SHADER_STAGE_VERTEX_BIT: "vert" | |
| 556 of VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT: "tesc" | |
| 557 of VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT: "tese" | |
| 558 of VK_SHADER_STAGE_GEOMETRY_BIT: "geom" | |
| 559 of VK_SHADER_STAGE_FRAGMENT_BIT: "frag" | |
| 560 of VK_SHADER_STAGE_COMPUTE_BIT: "comp" | |
| 561 else: "" | |
| 1161 | 562 |
| 1162 | 563 when defined(nimcheck): # will not run if nimcheck is running |
| 564 return result | |
| 565 | |
| 566 let | |
| 567 stagename = stage2string(stage) | |
| 568 shaderHash = hash(shaderSource) | |
| 569 shaderfile = getTempDir() / &"shader_{shaderHash}.{stagename}" | |
| 570 | |
| 571 if not shaderfile.fileExists: | |
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572 echo "shader of type ", stage |
| 1162 | 573 for i, line in enumerate(shaderSource.splitlines()): |
| 574 echo " ", i + 1, " ", line | |
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575 # var glslExe = currentSourcePath.parentDir.parentDir.parentDir / "tools" / "glslangValidator" |
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576 var glslExe = currentSourcePath.parentDir / "tools" / "glslangValidator" |
| 1162 | 577 when defined(windows): |
| 578 glslExe = glslExe & "." & ExeExt | |
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579 let command = &"{glslExe} --entry-point main -V --stdin -S {stagename} -o {shaderfile}" |
| 1162 | 580 echo "run: ", command |
| 581 discard StaticExecChecked( | |
| 582 command = command, | |
| 583 input = shaderSource | |
| 584 ) | |
| 585 else: | |
| 586 echo &"shaderfile {shaderfile} is up-to-date" | |
| 587 | |
| 588 when defined(mingw) and defined(linux): # required for crosscompilation, path separators get messed up | |
| 589 let shaderbinary = staticRead shaderfile.replace("\\", "/") | |
| 590 else: | |
| 591 let shaderbinary = staticRead shaderfile | |
| 592 | |
| 593 var i = 0 | |
| 594 while i < shaderbinary.len: | |
| 595 result.add( | |
| 596 (uint32(shaderbinary[i + 0]) shl 0) or | |
| 597 (uint32(shaderbinary[i + 1]) shl 8) or | |
| 598 (uint32(shaderbinary[i + 2]) shl 16) or | |
| 599 (uint32(shaderbinary[i + 3]) shl 24) | |
| 600 ) | |
| 601 i += 4 | |
| 602 | |
| 603 proc generateShaderSource[TShader](shader: TShader): (string, string) {.compileTime.} = | |
| 604 const GLSL_VERSION = "450" | |
| 605 var vsInput: seq[string] | |
| 606 var vsOutput: seq[string] | |
| 607 var fsInput: seq[string] | |
| 608 var fsOutput: seq[string] | |
| 609 var uniforms: seq[string] | |
| 610 var samplers: seq[string] | |
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611 var vsInputLocation = 0'u32 |
| 1162 | 612 var passLocation = 0 |
| 613 var fsOutputLocation = 0 | |
| 614 | |
| 1180 | 615 var descriptorSetCount = 0 |
| 1162 | 616 for fieldname, value in fieldPairs(shader): |
| 617 # vertex shader inputs | |
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618 when hasCustomPragma(value, VertexAttribute) or hasCustomPragma(value, InstanceAttribute): |
| 1162 | 619 assert typeof(value) is SupportedGPUType |
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620 vsInput.add "layout(location = " & $vsInputLocation & ") in " & GlslType(value) & " " & fieldname & ";" |
| 1162 | 621 for j in 0 ..< NumberOfVertexInputAttributeDescriptors(value): |
| 622 vsInputLocation += NLocationSlots(value) | |
| 1180 | 623 |
| 1162 | 624 # intermediate values, passed between shaders |
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625 elif hasCustomPragma(value, Pass) or hasCustomPragma(value, PassFlat): |
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626 let flat = if hasCustomPragma(value, PassFlat): "flat " else: "" |
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627 vsOutput.add "layout(location = " & $passLocation & ") " & flat & "out " & GlslType(value) & " " & fieldname & ";" |
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628 fsInput.add "layout(location = " & $passLocation & ") " & flat & "in " & GlslType(value) & " " & fieldname & ";" |
| 1162 | 629 passLocation.inc |
| 1180 | 630 |
| 631 # fragment shader output | |
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632 elif hasCustomPragma(value, ShaderOutput): |
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633 fsOutput.add &"layout(location = " & $fsOutputLocation & ") out " & GlslType(value) & " " & fieldname & ";" |
| 1162 | 634 fsOutputLocation.inc |
| 1180 | 635 |
| 636 # descriptor sets | |
| 637 # need to consider 4 cases: uniform block, texture, uniform block array, texture array | |
| 638 elif hasCustomPragma(value, DescriptorSet): | |
| 639 assert descriptorSetCount < MAX_DESCRIPTORSETS, &"{tt.name(TShader)}: maximum {MAX_DESCRIPTORSETS} allowed" | |
| 640 | |
| 641 var descriptorBinding = 0 | |
| 642 for descriptorName, descriptorValue in fieldPairs(value): | |
| 643 | |
| 644 when typeof(descriptorValue) is Texture: | |
| 645 samplers.add "layout(set=" & $descriptorSetCount & ", binding = " & $descriptorBinding & ") uniform " & GlslType(descriptorValue) & " " & descriptorName & ";" | |
| 646 descriptorBinding.inc | |
| 647 | |
| 648 elif typeof(descriptorValue) is GPUValue: | |
| 649 uniforms.add "layout(set=" & $descriptorSetCount & ", binding = " & $descriptorBinding & ") uniform T" & descriptorName & " {" | |
| 650 when typeof(descriptorValue.data) is object: | |
| 651 for blockFieldName, blockFieldValue in descriptorValue.data.fieldPairs(): | |
| 652 assert typeof(blockFieldValue) is SupportedGPUType, "uniform block field '" & blockFieldName & "' is not a SupportedGPUType" | |
| 653 uniforms.add " " & GlslType(blockFieldValue) & " " & blockFieldName & ";" | |
| 654 uniforms.add "} " & descriptorName & ";" | |
| 655 elif typeof(descriptorValue.data) is array: | |
| 656 for blockFieldName, blockFieldValue in default(elementType(descriptorValue.data)).fieldPairs(): | |
| 657 assert typeof(blockFieldValue) is SupportedGPUType, "uniform block field '" & blockFieldName & "' is not a SupportedGPUType" | |
| 658 uniforms.add " " & GlslType(blockFieldValue) & " " & blockFieldName & ";" | |
| 659 uniforms.add "} " & descriptorName & "[" & $descriptorValue.data.len & "];" | |
| 660 descriptorBinding.inc | |
| 661 elif typeof(descriptorValue) is array: | |
| 662 when elementType(descriptorValue) is Texture: | |
| 663 let arrayDecl = "[" & $typeof(descriptorValue).len & "]" | |
| 664 samplers.add "layout(set=" & $descriptorSetCount & ", binding = " & $descriptorBinding & ") uniform " & GlslType(default(elementType(descriptorValue))) & " " & descriptorName & "" & arrayDecl & ";" | |
| 665 descriptorBinding.inc | |
| 666 else: | |
| 667 {.error: "Unsupported shader descriptor field " & descriptorName.} | |
| 668 descriptorSetCount.inc | |
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669 elif fieldname in ["vertexCode", "fragmentCode"]: |
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670 discard |
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671 else: |
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672 {.error: "Unsupported shader field '" & tt.name(TShader) & "." & fieldname & "' of type " & tt.name(typeof(value)).} |
| 1162 | 673 |
| 674 result[0] = (@[&"#version {GLSL_VERSION}", "#extension GL_EXT_scalar_block_layout : require", ""] & | |
| 675 vsInput & | |
| 676 uniforms & | |
| 677 samplers & | |
| 678 vsOutput & | |
| 679 @[shader.vertexCode]).join("\n") | |
| 680 | |
| 681 result[1] = (@[&"#version {GLSL_VERSION}", "#extension GL_EXT_scalar_block_layout : require", ""] & | |
| 682 fsInput & | |
| 683 uniforms & | |
| 684 samplers & | |
| 685 fsOutput & | |
| 686 @[shader.fragmentCode]).join("\n") | |
| 687 | |
| 1179 | 688 proc CompileShader[TShader](shader: static TShader): ShaderObject[TShader] = |
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689 const (vertexShaderSource, fragmentShaderSource) = generateShaderSource(shader) |
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690 |
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691 let vertexBinary = compileGlslToSPIRV(VK_SHADER_STAGE_VERTEX_BIT, vertexShaderSource) |
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692 let fragmentBinary = compileGlslToSPIRV(VK_SHADER_STAGE_FRAGMENT_BIT, fragmentShaderSource) |
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693 |
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694 var createInfoVertex = VkShaderModuleCreateInfo( |
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695 sType: VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO, |
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696 codeSize: csize_t(vertexBinary.len * sizeof(uint32)), |
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697 pCode: vertexBinary.ToCPointer, |
| 1162 | 698 ) |
| 1179 | 699 checkVkResult vulkan.device.vkCreateShaderModule(addr(createInfoVertex), nil, addr(result.vertexShader)) |
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700 var createInfoFragment = VkShaderModuleCreateInfo( |
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701 sType: VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO, |
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702 codeSize: csize_t(fragmentBinary.len * sizeof(uint32)), |
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703 pCode: fragmentBinary.ToCPointer, |
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704 ) |
| 1179 | 705 checkVkResult vulkan.device.vkCreateShaderModule(addr(createInfoFragment), nil, addr(result.fragmentShader)) |
| 1162 | 706 |
| 707 | |
| 1179 | 708 proc CreatePipeline[TShader]( |
| 1159 | 709 renderPass: VkRenderPass, |
|
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710 shader: ShaderObject[TShader], |
| 1159 | 711 topology: VkPrimitiveTopology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, |
| 712 polygonMode: VkPolygonMode = VK_POLYGON_MODE_FILL, | |
| 713 cullMode: VkCullModeFlagBits = VK_CULL_MODE_BACK_BIT, | |
| 714 frontFace: VkFrontFace = VK_FRONT_FACE_CLOCKWISE, | |
| 1176 | 715 descriptorPoolLimit = 1024 |
| 1162 | 716 ): Pipeline[TShader] = |
| 1164 | 717 # create pipeline |
| 1180 | 718 |
| 719 ForDescriptorSets(default(TShader), setNumber, descriptorSet): | |
| 720 var layoutbindings: seq[VkDescriptorSetLayoutBinding] | |
| 721 ForDescriptorFields(descriptorSet, fieldName, descriptorType, descriptorCount, descriptorBindingNumber): | |
| 722 layoutbindings.add VkDescriptorSetLayoutBinding( | |
| 723 binding: descriptorBindingNumber, | |
| 724 descriptorType: descriptorType, | |
| 725 descriptorCount: descriptorCount, | |
| 726 stageFlags: VkShaderStageFlags(VK_SHADER_STAGE_ALL_GRAPHICS), | |
| 727 pImmutableSamplers: nil, | |
| 728 ) | |
| 729 var layoutCreateInfo = VkDescriptorSetLayoutCreateInfo( | |
| 730 sType: VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, | |
| 731 bindingCount: layoutbindings.len.uint32, | |
| 732 pBindings: layoutbindings.ToCPointer | |
| 1161 | 733 ) |
| 1180 | 734 checkVkResult vkCreateDescriptorSetLayout( |
| 735 vulkan.device, | |
| 736 addr(layoutCreateInfo), | |
| 737 nil, | |
| 738 addr(result.descriptorSetLayouts[setNumber]) | |
| 739 ) | |
| 1161 | 740 let pipelineLayoutInfo = VkPipelineLayoutCreateInfo( |
| 741 sType: VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, | |
| 1179 | 742 setLayoutCount: result.descriptorSetLayouts.len.uint32, |
| 1180 | 743 pSetLayouts: result.descriptorSetLayouts.ToCPointer, |
| 1161 | 744 # pushConstantRangeCount: uint32(pushConstants.len), |
| 745 # pPushConstantRanges: pushConstants.ToCPointer, | |
| 746 ) | |
| 1179 | 747 checkVkResult vkCreatePipelineLayout(vulkan.device, addr(pipelineLayoutInfo), nil, addr(result.layout)) |
| 1159 | 748 |
| 749 let stages = [ | |
| 750 VkPipelineShaderStageCreateInfo( | |
| 751 sType: VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, | |
| 752 stage: VK_SHADER_STAGE_VERTEX_BIT, | |
|
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753 module: shader.vertexShader, |
| 1159 | 754 pName: "main", |
| 755 ), | |
| 756 VkPipelineShaderStageCreateInfo( | |
| 757 sType: VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, | |
| 758 stage: VK_SHADER_STAGE_FRAGMENT_BIT, | |
|
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|
759 module: shader.fragmentShader, |
| 1159 | 760 pName: "main", |
| 761 ), | |
| 762 ] | |
| 1162 | 763 var |
| 764 bindings: seq[VkVertexInputBindingDescription] | |
| 765 attributes: seq[VkVertexInputAttributeDescription] | |
| 1159 | 766 var inputBindingNumber = 0'u32 |
| 1162 | 767 var location = 0'u32 |
| 768 ForVertexDataFields(default(TShader), fieldname, value, isInstanceAttr): | |
| 1159 | 769 bindings.add VkVertexInputBindingDescription( |
| 770 binding: inputBindingNumber, | |
| 771 stride: sizeof(value).uint32, | |
| 772 inputRate: if isInstanceAttr: VK_VERTEX_INPUT_RATE_INSTANCE else: VK_VERTEX_INPUT_RATE_VERTEX, | |
| 773 ) | |
| 774 # allows to submit larger data structures like Mat44, for most other types will be 1 | |
| 775 let perDescriptorSize = sizeof(value).uint32 div NumberOfVertexInputAttributeDescriptors(value) | |
| 776 for i in 0'u32 ..< NumberOfVertexInputAttributeDescriptors(value): | |
| 777 attributes.add VkVertexInputAttributeDescription( | |
| 778 binding: inputBindingNumber, | |
| 1162 | 779 location: location, |
| 1159 | 780 format: VkType(value), |
| 781 offset: i * perDescriptorSize, | |
| 782 ) | |
| 1162 | 783 location += NLocationSlots(value) |
| 1159 | 784 inc inputBindingNumber |
| 785 | |
| 786 let | |
| 787 vertexInputInfo = VkPipelineVertexInputStateCreateInfo( | |
| 788 sType: VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO, | |
| 789 vertexBindingDescriptionCount: uint32(bindings.len), | |
| 790 pVertexBindingDescriptions: bindings.ToCPointer, | |
| 791 vertexAttributeDescriptionCount: uint32(attributes.len), | |
| 792 pVertexAttributeDescriptions: attributes.ToCPointer, | |
| 793 ) | |
| 794 inputAssembly = VkPipelineInputAssemblyStateCreateInfo( | |
| 795 sType: VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO, | |
| 796 topology: topology, | |
| 797 primitiveRestartEnable: false, | |
| 798 ) | |
| 799 viewportState = VkPipelineViewportStateCreateInfo( | |
| 800 sType: VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO, | |
| 801 viewportCount: 1, | |
| 802 scissorCount: 1, | |
| 803 ) | |
| 804 rasterizer = VkPipelineRasterizationStateCreateInfo( | |
| 805 sType: VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO, | |
| 806 depthClampEnable: VK_FALSE, | |
| 807 rasterizerDiscardEnable: VK_FALSE, | |
| 808 polygonMode: polygonMode, | |
| 809 lineWidth: 1.0, | |
| 810 cullMode: toBits [cullMode], | |
| 811 frontFace: frontFace, | |
| 812 depthBiasEnable: VK_FALSE, | |
| 813 depthBiasConstantFactor: 0.0, | |
| 814 depthBiasClamp: 0.0, | |
| 815 depthBiasSlopeFactor: 0.0, | |
| 816 ) | |
| 817 multisampling = VkPipelineMultisampleStateCreateInfo( | |
| 818 sType: VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO, | |
| 819 sampleShadingEnable: VK_FALSE, | |
| 820 rasterizationSamples: VK_SAMPLE_COUNT_1_BIT, | |
| 821 minSampleShading: 1.0, | |
| 822 pSampleMask: nil, | |
| 823 alphaToCoverageEnable: VK_FALSE, | |
| 824 alphaToOneEnable: VK_FALSE, | |
| 825 ) | |
| 826 colorBlendAttachment = VkPipelineColorBlendAttachmentState( | |
| 827 colorWriteMask: toBits [VK_COLOR_COMPONENT_R_BIT, VK_COLOR_COMPONENT_G_BIT, VK_COLOR_COMPONENT_B_BIT, VK_COLOR_COMPONENT_A_BIT], | |
| 828 blendEnable: VK_TRUE, | |
| 829 srcColorBlendFactor: VK_BLEND_FACTOR_SRC_ALPHA, | |
| 830 dstColorBlendFactor: VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA, | |
| 831 colorBlendOp: VK_BLEND_OP_ADD, | |
| 832 srcAlphaBlendFactor: VK_BLEND_FACTOR_ONE, | |
| 833 dstAlphaBlendFactor: VK_BLEND_FACTOR_ZERO, | |
| 834 alphaBlendOp: VK_BLEND_OP_ADD, | |
| 835 ) | |
| 836 colorBlending = VkPipelineColorBlendStateCreateInfo( | |
| 837 sType: VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO, | |
| 838 logicOpEnable: false, | |
| 839 attachmentCount: 1, | |
| 840 pAttachments: addr(colorBlendAttachment), | |
| 841 ) | |
| 842 dynamicStates = [VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR] | |
| 843 dynamicState = VkPipelineDynamicStateCreateInfo( | |
| 844 sType: VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO, | |
| 845 dynamicStateCount: dynamicStates.len.uint32, | |
| 846 pDynamicStates: dynamicStates.ToCPointer, | |
| 847 ) | |
| 848 let createInfo = VkGraphicsPipelineCreateInfo( | |
| 849 sType: VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO, | |
| 850 stageCount: 2, | |
| 1162 | 851 pStages: stages.ToCPointer, |
| 1159 | 852 pVertexInputState: addr(vertexInputInfo), |
| 853 pInputAssemblyState: addr(inputAssembly), | |
| 854 pViewportState: addr(viewportState), | |
| 855 pRasterizationState: addr(rasterizer), | |
| 856 pMultisampleState: addr(multisampling), | |
| 857 pDepthStencilState: nil, | |
| 858 pColorBlendState: addr(colorBlending), | |
| 859 pDynamicState: addr(dynamicState), | |
| 860 layout: result.layout, | |
| 861 renderPass: renderPass, | |
| 862 subpass: 0, | |
| 863 basePipelineHandle: VkPipeline(0), | |
| 864 basePipelineIndex: -1, | |
| 865 ) | |
| 866 checkVkResult vkCreateGraphicsPipelines( | |
| 1179 | 867 vulkan.device, |
| 1159 | 868 VkPipelineCache(0), |
| 869 1, | |
| 870 addr(createInfo), | |
| 871 nil, | |
| 872 addr(result.pipeline) | |
| 873 ) | |
| 874 | |
| 1179 | 875 proc AllocateIndirectMemory(size: uint64): IndirectGPUMemory = |
| 1176 | 876 # chooses biggest memory type that has NOT VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
| 1177 | 877 result.size = size |
| 878 result.needsTransfer = true | |
| 1176 | 879 |
| 880 # find a good memory type | |
| 881 var physicalProperties: VkPhysicalDeviceMemoryProperties | |
| 1179 | 882 vkGetPhysicalDeviceMemoryProperties(vulkan.physicalDevice, addr physicalProperties) |
| 1176 | 883 |
| 1177 | 884 var biggestHeap: uint64 = 0 |
| 885 var memoryTypeIndex = high(uint32) | |
| 1176 | 886 # try to find non-host-visible type |
| 1177 | 887 for i in 0'u32 ..< physicalProperties.memoryTypeCount: |
| 888 if not (VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT in toEnums(physicalProperties.memoryTypes[i].propertyFlags)): | |
| 1176 | 889 let size = physicalProperties.memoryHeaps[physicalProperties.memoryTypes[i].heapIndex].size |
| 890 if size > biggestHeap: | |
| 1177 | 891 biggestHeap = size |
| 1176 | 892 memoryTypeIndex = i |
| 893 | |
| 894 # If we did not found a device-only memory type, let's just take the biggest overall | |
| 1177 | 895 if memoryTypeIndex == high(uint32): |
| 896 result.needsTransfer = false | |
| 897 for i in 0'u32 ..< physicalProperties.memoryTypeCount: | |
| 898 let size = physicalProperties.memoryHeaps[physicalProperties.memoryTypes[i].heapIndex].size | |
| 899 if size > biggestHeap: | |
| 900 biggestHeap = size | |
| 901 memoryTypeIndex = i | |
| 1176 | 902 |
| 1177 | 903 assert memoryTypeIndex != high(uint32), "Unable to find indirect memory type" |
| 1176 | 904 var allocationInfo = VkMemoryAllocateInfo( |
| 905 sType: VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, | |
| 1177 | 906 allocationSize: result.size, |
| 1176 | 907 memoryTypeIndex: memoryTypeIndex, |
| 908 ) | |
| 909 checkVkResult vkAllocateMemory( | |
| 1179 | 910 vulkan.device, |
| 1176 | 911 addr allocationInfo, |
| 912 nil, | |
| 913 addr result.vk | |
| 914 ) | |
| 915 | |
| 1179 | 916 proc AllocateDirectMemory(size: uint64): DirectGPUMemory = |
| 1177 | 917 result.size = size |
| 918 result.needsFlush = true | |
| 1176 | 919 |
| 920 # find a good memory type | |
| 921 var physicalProperties: VkPhysicalDeviceMemoryProperties | |
| 1179 | 922 vkGetPhysicalDeviceMemoryProperties(vulkan.physicalDevice, addr physicalProperties) |
| 1164 | 923 |
| 1177 | 924 var biggestHeap: uint64 = 0 |
| 925 var memoryTypeIndex = high(uint32) | |
| 1176 | 926 # try to find host-visible type |
| 927 for i in 0 ..< physicalProperties.memoryTypeCount: | |
| 1177 | 928 let flags = toEnums(physicalProperties.memoryTypes[i].propertyFlags) |
| 929 if VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT in flags: | |
| 1176 | 930 let size = physicalProperties.memoryHeaps[physicalProperties.memoryTypes[i].heapIndex].size |
| 931 if size > biggestHeap: | |
| 1177 | 932 biggestHeap = size |
| 1176 | 933 memoryTypeIndex = i |
| 1177 | 934 result.needsFlush = not (VK_MEMORY_PROPERTY_HOST_COHERENT_BIT in flags) |
| 1164 | 935 |
| 1177 | 936 assert memoryTypeIndex != high(uint32), "Unable to find indirect memory type" |
| 1176 | 937 var allocationInfo = VkMemoryAllocateInfo( |
| 938 sType: VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, | |
| 1177 | 939 allocationSize: result.size, |
| 1179 | 940 memoryTypeIndex: GetDirectMemoryTypeIndex(), |
| 1176 | 941 ) |
| 942 checkVkResult vkAllocateMemory( | |
| 1179 | 943 vulkan.device, |
| 1176 | 944 addr allocationInfo, |
| 945 nil, | |
| 946 addr result.vk | |
| 947 ) | |
| 1177 | 948 checkVkResult vkMapMemory( |
| 1179 | 949 device = vulkan.device, |
| 1176 | 950 memory = result.vk, |
| 951 offset = 0'u64, | |
| 952 size = result.size, | |
| 953 flags = VkMemoryMapFlags(0), | |
| 954 ppData = addr(result.data) | |
| 955 ) | |
| 956 | |
| 1179 | 957 proc AllocateIndirectBuffer(renderData: var RenderData, size: uint64, btype: BufferType) = |
| 958 if size == 0: | |
| 959 return | |
| 1177 | 960 var buffer = Buffer[IndirectGPUMemory](size: size) |
| 961 | |
| 1178 | 962 let usageFlags = case btype: |
| 963 of VertexBuffer: [VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, VK_BUFFER_USAGE_TRANSFER_DST_BIT] | |
| 964 of IndexBuffer: [VK_BUFFER_USAGE_INDEX_BUFFER_BIT, VK_BUFFER_USAGE_TRANSFER_DST_BIT] | |
| 965 of UniformBuffer: [VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, VK_BUFFER_USAGE_TRANSFER_DST_BIT] | |
| 966 | |
| 1177 | 967 # iterate through memory areas to find big enough free space |
| 1179 | 968 # TODO: dynamically expand memory allocations |
| 969 for (memory, usedOffset) in renderData.indirectMemory.mitems: | |
| 970 if memory.size - usedOffset >= size: | |
| 971 buffer.offset = usedOffset | |
| 1177 | 972 # create buffer |
| 973 var createInfo = VkBufferCreateInfo( | |
| 974 sType: VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, | |
| 975 flags: VkBufferCreateFlags(0), | |
| 976 size: buffer.size, | |
| 1178 | 977 usage: toBits(usageFlags), |
| 1177 | 978 sharingMode: VK_SHARING_MODE_EXCLUSIVE, |
| 979 ) | |
| 980 checkVkResult vkCreateBuffer( | |
| 1179 | 981 device = vulkan.device, |
| 1177 | 982 pCreateInfo = addr createInfo, |
| 983 pAllocator = nil, | |
| 984 pBuffer = addr(buffer.vk) | |
| 985 ) | |
| 1179 | 986 checkVkResult vkBindBufferMemory(vulkan.device, buffer.vk, memory.vk, buffer.offset) |
| 1178 | 987 renderData.indirectBuffers.add (buffer, btype, 0'u64) |
| 1177 | 988 # update memory area offset |
| 1179 | 989 usedOffset = alignedTo(usedOffset + size, MEMORY_ALIGNMENT) |
| 1177 | 990 return |
| 991 | |
| 992 assert false, "Did not find allocated memory region with enough space" | |
| 993 | |
| 1179 | 994 proc AllocateDirectBuffer(renderData: var RenderData, size: uint64, btype: BufferType) = |
| 995 if size == 0: | |
| 996 return | |
| 997 | |
| 1177 | 998 var buffer = Buffer[DirectGPUMemory](size: size) |
| 999 | |
| 1178 | 1000 let usageFlags = case btype: |
| 1001 of VertexBuffer: [VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, VK_BUFFER_USAGE_TRANSFER_DST_BIT] | |
| 1002 of IndexBuffer: [VK_BUFFER_USAGE_INDEX_BUFFER_BIT, VK_BUFFER_USAGE_TRANSFER_DST_BIT] | |
| 1003 of UniformBuffer: [VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, VK_BUFFER_USAGE_TRANSFER_DST_BIT] | |
| 1004 | |
| 1177 | 1005 # iterate through memory areas to find big enough free space |
| 1179 | 1006 # TODO: dynamically expand memory allocations |
| 1007 for (memory, usedOffset) in renderData.directMemory.mitems: | |
| 1008 if memory.size - usedOffset >= size: | |
| 1009 buffer.offset = usedOffset | |
| 1177 | 1010 # create buffer |
| 1011 var createInfo = VkBufferCreateInfo( | |
| 1012 sType: VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, | |
| 1013 flags: VkBufferCreateFlags(0), | |
| 1014 size: buffer.size, | |
| 1178 | 1015 usage: toBits(usageFlags), |
| 1177 | 1016 sharingMode: VK_SHARING_MODE_EXCLUSIVE, |
| 1017 ) | |
| 1018 checkVkResult vkCreateBuffer( | |
| 1179 | 1019 device = vulkan.device, |
| 1177 | 1020 pCreateInfo = addr createInfo, |
| 1021 pAllocator = nil, | |
| 1022 pBuffer = addr(buffer.vk) | |
| 1023 ) | |
| 1179 | 1024 checkVkResult vkBindBufferMemory(vulkan.device, buffer.vk, memory.vk, buffer.offset) |
| 1178 | 1025 renderData.directBuffers.add (buffer, btype, 0'u64) |
| 1177 | 1026 # update memory area offset |
| 1179 | 1027 usedOffset = alignedTo(usedOffset + size, MEMORY_ALIGNMENT) |
| 1177 | 1028 return |
| 1029 | |
| 1030 assert false, "Did not find allocated memory region with enough space" | |
| 1031 | |
| 1179 | 1032 proc InitRenderData(descriptorPoolLimit = 1024'u32): RenderData = |
| 1176 | 1033 # allocate descriptor pools |
| 1034 var poolSizes = [ | |
| 1177 | 1035 VkDescriptorPoolSize(thetype: VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, descriptorCount: descriptorPoolLimit), |
| 1036 VkDescriptorPoolSize(thetype: VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, descriptorCount: descriptorPoolLimit), | |
| 1176 | 1037 ] |
| 1038 var poolInfo = VkDescriptorPoolCreateInfo( | |
| 1039 sType: VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO, | |
| 1040 poolSizeCount: poolSizes.len.uint32, | |
| 1041 pPoolSizes: poolSizes.ToCPointer, | |
| 1042 maxSets: descriptorPoolLimit, | |
| 1043 ) | |
| 1179 | 1044 checkVkResult vkCreateDescriptorPool(vulkan.device, addr(poolInfo), nil, addr(result.descriptorPool)) |
| 1176 | 1045 |
| 1046 # allocate some memory | |
| 1177 | 1047 var initialAllocationSize = 1_000_000_000'u64 # TODO: make this more dynamic or something |
| 1179 | 1048 result.indirectMemory = @[(memory: AllocateIndirectMemory(size = initialAllocationSize), usedOffset: 0'u64)] |
| 1049 result.directMemory = @[(memory: AllocateDirectMemory(size = initialAllocationSize), usedOffset: 0'u64)] | |
| 1050 | |
| 1051 proc FlushDirectMemory(renderData: RenderData) = | |
| 1052 var flushRegions = newSeqOfCap[VkMappedMemoryRange](renderData.directMemory.len) | |
| 1053 for entry in renderData.directMemory: | |
| 1054 if entry.usedOffset > 0: | |
| 1055 flushRegions.add VkMappedMemoryRange( | |
| 1056 sType: VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE, | |
| 1057 memory: entry.memory.vk, | |
| 1058 size: entry.usedOffset, | |
| 1059 ) | |
| 1060 if flushRegions.len > 0: | |
| 1061 checkVkResult vkFlushMappedMemoryRanges(vulkan.device, flushRegions.len.uint32, flushRegions.ToCPointer()) | |
| 1164 | 1062 |
| 1178 | 1063 # For the Get*BufferSize: |
| 1064 # BUFFER_ALIGNMENT is just added for a rough estimate, to ensure we have enough space to align when binding | |
| 1177 | 1065 proc GetIndirectBufferSizes[T](data: T): uint64 = |
| 1066 for name, value in fieldPairs(data): | |
| 1178 | 1067 when not hasCustomPragma(value, VertexIndices): |
| 1068 when typeof(value) is GPUData: | |
| 1069 when UsesIndirectMemory(value): | |
| 1070 result += value.size + BUFFER_ALIGNMENT | |
| 1177 | 1071 proc GetDirectBufferSizes[T](data: T): uint64 = |
| 1072 for name, value in fieldPairs(data): | |
| 1178 | 1073 when not hasCustomPragma(value, VertexIndices): |
| 1074 when typeof(value) is GPUData: | |
| 1075 when UsesDirectMemory(value): | |
| 1076 result += value.size + BUFFER_ALIGNMENT | |
| 1177 | 1077 proc GetIndirectIndexBufferSizes[T](data: T): uint64 = |
| 1078 for name, value in fieldPairs(data): | |
| 1079 when hasCustomPragma(value, VertexIndices): | |
| 1080 static: assert typeof(value) is GPUArray, "Index buffers must be of type GPUArray" | |
| 1081 static: assert elementType(value.data) is uint8 or elementType(value.data) is uint16 or elementType(value.data) is uint32 | |
| 1178 | 1082 when UsesIndirectMemory(value): |
| 1083 result += value.size + BUFFER_ALIGNMENT | |
| 1177 | 1084 proc GetDirectIndexBufferSizes[T](data: T): uint64 = |
| 1085 for name, value in fieldPairs(data): | |
| 1086 when hasCustomPragma(value, VertexIndices): | |
| 1087 static: assert typeof(value) is GPUArray, "Index buffers must be of type GPUArray" | |
| 1088 static: assert elementType(value.data) is uint8 or elementType(value.data) is uint16 or elementType(value.data) is uint32 | |
| 1178 | 1089 when UsesDirectMemory(value): |
| 1090 result += value.size + BUFFER_ALIGNMENT | |
| 1177 | 1091 |
| 1179 | 1092 proc AssignIndirectBuffers[T](renderdata: var RenderData, btype: BufferType, data: var T) = |
| 1178 | 1093 for name, value in fieldPairs(data): |
| 1094 when typeof(value) is GPUData: | |
| 1095 when UsesIndirectMemory(value): | |
| 1096 # find next buffer of correct type with enough free space | |
| 1179 | 1097 if btype == IndexBuffer == value.hasCustomPragma(VertexIndices): |
| 1098 var foundBuffer = false | |
| 1099 for (buffer, bt, offset) in renderData.indirectBuffers.mitems: | |
| 1100 if bt == btype and buffer.size - offset >= value.size: | |
| 1101 assert not value.buffer.vk.Valid, "GPUData-Buffer has already been assigned" | |
| 1102 assert buffer.vk.Valid, "RenderData-Buffer has not yet been created" | |
| 1103 value.buffer = buffer | |
| 1104 value.offset = offset | |
| 1105 offset = alignedTo(offset + value.size, BUFFER_ALIGNMENT) | |
| 1106 foundBuffer = true | |
| 1107 break | |
| 1108 assert foundBuffer, &"Unable to find large enough '{btype}' for '{data}'" | |
| 1109 proc AssignDirectBuffers[T](renderdata: var RenderData, btype: BufferType, data: var T) = | |
| 1178 | 1110 for name, value in fieldPairs(data): |
| 1111 when typeof(value) is GPUData: | |
| 1112 when UsesDirectMemory(value): | |
| 1113 # find next buffer of correct type with enough free space | |
| 1179 | 1114 if btype == IndexBuffer == value.hasCustomPragma(VertexIndices): |
| 1115 var foundBuffer = false | |
| 1116 for (buffer, bt, offset) in renderData.directBuffers.mitems: | |
| 1117 if bt == btype and buffer.size - offset >= value.size: | |
| 1118 assert not value.buffer.vk.Valid, "GPUData-Buffer has already been assigned" | |
| 1119 assert buffer.vk.Valid, "RenderData-Buffer has not yet been created" | |
| 1120 value.buffer = buffer | |
| 1121 value.offset = offset | |
| 1122 offset = alignedTo(offset + value.size, BUFFER_ALIGNMENT) | |
| 1123 foundBuffer = true | |
| 1124 break | |
| 1125 assert foundBuffer, &"Unable to find large enough '{btype}' for '{data}'" | |
| 1177 | 1126 |
| 1179 | 1127 proc HasGPUValueField[T](name: static string): bool {.compileTime.} = |
| 1128 for fieldname, value in default(T).fieldPairs(): | |
| 1129 when typeof(value) is GPUValue and fieldname == name: return true | |
| 1130 return false | |
| 1131 | |
| 1132 template WithGPUValueField(obj: object, name: static string, fieldvalue, body: untyped): untyped = | |
| 1133 # HasGPUValueField MUST be used to check if this is supported | |
| 1134 for fieldname, value in obj.fieldPairs(): | |
| 1135 when fieldname == name: | |
| 1136 block: | |
| 1137 let `fieldvalue` {.inject.} = value | |
| 1138 body | |
| 1139 | |
| 1140 proc WriteDescriptors[TShader, TUniforms, TGlobals](renderData: RenderData, uniforms: TUniforms, globals: TGlobals) = | |
| 1165 | 1141 var descriptorSetWrites: seq[VkWriteDescriptorSet] |
| 1176 | 1142 ForDescriptorFields(default(TShader), fieldName, descriptorType, descriptorCount, descriptorBindingNumber): |
| 1179 | 1143 for frameInFlight in 0 ..< renderData.descriptorSets.len: |
| 1177 | 1144 when descriptorType == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER: |
| 1179 | 1145 when HasGPUValueField[TUniforms](fieldName): |
| 1146 WithGPUValueField(uniforms, fieldName, gpuValue): | |
| 1147 let bufferInfo = VkDescriptorBufferInfo( | |
| 1148 buffer: gpuValue.buffer.vk, | |
| 1149 offset: gpuValue.buffer.offset, | |
| 1150 range: gpuValue.buffer.size, | |
| 1151 ) | |
| 1152 descriptorSetWrites.add VkWriteDescriptorSet( | |
| 1153 sType: VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, | |
| 1154 dstSet: renderData.descriptorSets[frameInFlight], | |
| 1155 dstBinding: descriptorBindingNumber, | |
| 1156 dstArrayElement: uint32(0), | |
| 1157 descriptorType: descriptorType, | |
| 1158 descriptorCount: descriptorCount, | |
| 1159 pImageInfo: nil, | |
| 1160 pBufferInfo: addr(bufferInfo), | |
| 1161 ) | |
| 1162 elif HasGPUValueField[TGlobals](fieldName): | |
| 1163 WithGPUValueField(globals, fieldName, theValue): | |
| 1164 let bufferInfo = VkDescriptorBufferInfo( | |
| 1165 buffer: theValue.buffer.vk, | |
| 1166 offset: theValue.buffer.offset, | |
| 1167 range: theValue.buffer.size, | |
| 1168 ) | |
| 1169 descriptorSetWrites.add VkWriteDescriptorSet( | |
| 1170 sType: VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, | |
| 1171 dstSet: renderData.descriptorSets[frameInFlight], | |
| 1172 dstBinding: descriptorBindingNumber, | |
| 1173 dstArrayElement: uint32(0), | |
| 1174 descriptorType: descriptorType, | |
| 1175 descriptorCount: descriptorCount, | |
| 1176 pImageInfo: nil, | |
| 1177 pBufferInfo: addr(bufferInfo), | |
| 1178 ) | |
| 1179 else: | |
| 1180 {.error: "Unable to find field '" & fieldName & "' in uniforms or globals".} | |
| 1173 | 1181 elif descriptorType == VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER: |
| 1182 # TODO | |
| 1183 let imageInfo = VkDescriptorImageInfo( | |
| 1184 sampler: VkSampler(0), | |
| 1185 imageView: VkImageView(0), | |
| 1186 imageLayout: VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, | |
| 1187 ) | |
| 1188 descriptorSetWrites.add VkWriteDescriptorSet( | |
| 1189 sType: VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, | |
| 1179 | 1190 dstSet: renderData.descriptorSets[frameInFlight], |
| 1173 | 1191 dstBinding: descriptorBindingNumber, |
| 1179 | 1192 dstArrayElement: 0'u32, |
| 1173 | 1193 descriptorType: descriptorType, |
| 1194 descriptorCount: descriptorCount, | |
| 1195 pImageInfo: addr(imageInfo), | |
| 1196 pBufferInfo: nil, | |
| 1197 ) | |
| 1179 | 1198 else: |
| 1199 assert false, "Unsupported descriptor type" | |
| 1200 echo descriptorSetWrites | |
| 1201 vkUpdateDescriptorSets(vulkan.device, uint32(descriptorSetWrites.len), descriptorSetWrites.ToCPointer, 0, nil) | |
| 1165 | 1202 |
| 1172 | 1203 proc Bind[T](pipeline: Pipeline[T], commandBuffer: VkCommandBuffer, currentFrameInFlight: int) = |
| 1159 | 1204 commandBuffer.vkCmdBindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline.pipeline) |
| 1177 | 1205 #[ |
| 1206 commandBuffer.vkCmdBindDescriptorSets( | |
| 1207 VK_PIPELINE_BIND_POINT_GRAPHICS, | |
| 1208 pipeline.layout, | |
| 1209 0, | |
| 1210 1, | |
| 1211 addr pipeline.descriptorSets[currentFrameInFlight], | |
| 1212 0, | |
| 1213 nil, | |
| 1214 ) | |
| 1215 ]# | |
| 1161 | 1216 |
| 1177 | 1217 proc AssertCompatible(TShader, TMesh, TInstance, TUniforms, TGlobals: typedesc) = |
| 1180 | 1218 # TODO: overhaul this |
| 1162 | 1219 for inputName, inputValue in default(TShader).fieldPairs: |
| 1161 | 1220 var foundField = false |
| 1176 | 1221 |
| 1222 # Vertex input data | |
| 1161 | 1223 when hasCustomPragma(inputValue, VertexAttribute): |
|
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1224 assert typeof(inputValue) is SupportedGPUType |
| 1161 | 1225 for meshName, meshValue in default(TMesh).fieldPairs: |
| 1226 when meshName == inputName: | |
| 1176 | 1227 assert meshValue is GPUArray, "Mesh attribute '" & meshName & "' must be of type 'GPUArray' but is of type " & tt.name(typeof(meshValue)) |
| 1162 | 1228 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 1176 | 1229 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 | 1230 foundField = true |
| 1162 | 1231 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TMesh) & "'" |
| 1176 | 1232 |
| 1233 # Instance input data | |
| 1161 | 1234 elif hasCustomPragma(inputValue, InstanceAttribute): |
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1235 assert typeof(inputValue) is SupportedGPUType |
| 1161 | 1236 for instanceName, instanceValue in default(TInstance).fieldPairs: |
| 1237 when instanceName == inputName: | |
| 1176 | 1238 assert instanceValue is GPUArray, "Instance attribute '" & instanceName & "' must be of type 'GPUArray' but is of type " & tt.name(typeof(instanceName)) |
| 1162 | 1239 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 1176 | 1240 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 | 1241 foundField = true |
| 1162 | 1242 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TInstance) & "'" |
| 1176 | 1243 |
| 1244 # Texture | |
| 1245 elif typeof(inputValue) is Texture: | |
| 1177 | 1246 for uniformName, uniformValue in default(TUniforms).fieldPairs: |
| 1247 when uniformName == inputName: | |
| 1162 | 1248 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 1177 | 1249 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 | 1250 foundField = true |
| 1251 for globalName, globalValue in default(TGlobals).fieldPairs: | |
| 1252 when globalName == inputName: | |
| 1162 | 1253 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 1254 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 | 1255 foundField = true |
| 1162 | 1256 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TMesh) & "|" & tt.name(TGlobals) & "'" |
| 1176 | 1257 |
| 1258 # Uniform block | |
| 1259 elif typeof(inputValue) is object: | |
| 1177 | 1260 for uniformName, uniformValue in default(TUniforms).fieldPairs: |
| 1261 when uniformName == inputName: | |
| 1262 assert uniformValue is GPUValue, "global attribute '" & uniformName & "' must be of type 'GPUValue' but is of type " & tt.name(typeof(uniformValue)) | |
| 1176 | 1263 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 1177 | 1264 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 | 1265 foundField = true |
| 1266 for globalName, globalValue in default(TGlobals).fieldPairs: | |
| 1267 when globalName == inputName: | |
| 1268 assert globalValue is GPUValue, "global attribute '" & globalName & "' must be of type 'GPUValue' but is of type " & tt.name(typeof(globalValue)) | |
| 1269 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" | |
| 1270 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)) & "'" | |
| 1271 foundField = true | |
| 1272 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TMesh) & "|" & tt.name(TGlobals) & "'" | |
| 1273 | |
| 1274 # array | |
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1275 elif typeof(inputValue) is array: |
| 1176 | 1276 |
| 1277 # texture-array | |
| 1278 when elementType(inputValue) is Texture: | |
| 1177 | 1279 for uniformName, uniformValue in default(TUniforms).fieldPairs: |
| 1280 when uniformName == inputName: | |
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1281 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 1177 | 1282 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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1283 foundField = true |
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1284 for globalName, globalValue in default(TGlobals).fieldPairs: |
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1285 when globalName == inputName: |
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1286 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
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1287 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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1288 foundField = true |
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1289 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TMesh) & "|" & tt.name(TGlobals) & "'" |
| 1161 | 1290 |
| 1176 | 1291 # uniform-block array |
| 1292 elif elementType(inputValue) is object: | |
| 1177 | 1293 for uniformName, uniformValue in default(TUniforms).fieldPairs: |
| 1294 when uniformName == inputName: | |
| 1295 assert uniformValue is GPUValue, "global attribute '" & uniformName & "' must be of type 'GPUValue' but is of type " & tt.name(typeof(uniformValue)) | |
| 1176 | 1296 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" |
| 1177 | 1297 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 | 1298 foundField = true |
| 1299 for globalName, globalValue in default(TGlobals).fieldPairs: | |
| 1300 when globalName == inputName: | |
| 1301 assert globalValue is GPUValue, "global attribute '" & globalName & "' must be of type 'GPUValue' but is of type " & tt.name(typeof(globalValue)) | |
| 1302 assert foundField == false, "Shader input '" & tt.name(TShader) & "." & inputName & "' has been found more than once" | |
| 1303 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)) & "'" | |
| 1304 foundField = true | |
| 1305 assert foundField, "Shader input '" & tt.name(TShader) & "." & inputName & ": " & tt.name(typeof(inputValue)) & "' not found in '" & tt.name(TMesh) & "|" & tt.name(TGlobals) & "'" | |
| 1306 | |
| 1161 | 1307 |
| 1178 | 1308 proc Render[TShader, TUniforms, TGlobals, TMesh, TInstance]( |
| 1309 commandBuffer: VkCommandBuffer, | |
| 1162 | 1310 pipeline: Pipeline[TShader], |
| 1177 | 1311 uniforms: TUniforms, |
| 1161 | 1312 globals: TGlobals, |
| 1178 | 1313 mesh: TMesh, |
| 1314 instances: TInstance, | |
| 1161 | 1315 ) = |
| 1180 | 1316 discard |
| 1317 # static: AssertCompatible(TShader, TMesh, TInstance, TUniforms, TGlobals) | |
| 1178 | 1318 #[ |
| 1164 | 1319 if renderable.vertexBuffers.len > 0: |
| 1320 commandBuffer.vkCmdBindVertexBuffers( | |
| 1321 firstBinding = 0'u32, | |
| 1322 bindingCount = uint32(renderable.vertexBuffers.len), | |
| 1323 pBuffers = renderable.vertexBuffers.ToCPointer(), | |
| 1324 pOffsets = renderable.bufferOffsets.ToCPointer() | |
| 1325 ) | |
| 1161 | 1326 if renderable.indexType != None: |
| 1159 | 1327 commandBuffer.vkCmdBindIndexBuffer( |
| 1328 renderable.indexBuffer, | |
| 1329 renderable.indexBufferOffset, | |
| 1161 | 1330 renderable.indexType, |
| 1159 | 1331 ) |
| 1332 commandBuffer.vkCmdDrawIndexed( | |
| 1161 | 1333 indexCount = renderable.indexCount, |
| 1334 instanceCount = renderable.instanceCount, | |
| 1159 | 1335 firstIndex = 0, |
| 1336 vertexOffset = 0, | |
| 1337 firstInstance = 0 | |
| 1338 ) | |
| 1339 else: | |
| 1340 commandBuffer.vkCmdDraw( | |
| 1161 | 1341 vertexCount = renderable.vertexCount, |
| 1342 instanceCount = renderable.instanceCount, | |
| 1159 | 1343 firstVertex = 0, |
| 1344 firstInstance = 0 | |
| 1345 ) | |
| 1178 | 1346 ]# |
| 1161 | 1347 |
| 1348 when isMainModule: | |
| 1162 | 1349 import semicongine/platform/window |
| 1350 import semicongine/vulkan/instance | |
| 1351 import semicongine/vulkan/device | |
| 1352 import semicongine/vulkan/physicaldevice | |
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1353 import std/options |
| 1162 | 1354 |
| 1161 | 1355 type |
| 1177 | 1356 MeshA = object |
| 1357 position: GPUArray[Vec3f, IndirectGPUMemory] | |
| 1358 indices {.VertexIndices.}: GPUArray[uint16, IndirectGPUMemory] | |
| 1359 InstanceA = object | |
| 1360 rotation: GPUArray[Vec4f, IndirectGPUMemory] | |
| 1361 objPosition: GPUArray[Vec3f, IndirectGPUMemory] | |
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1362 MaterialA = object |
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1363 reflection: float32 |
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1364 baseColor: Vec3f |
| 1176 | 1365 UniformsA = object |
| 1180 | 1366 defaultTexture: Texture |
| 1367 defaultMaterial: GPUValue[MaterialA, IndirectGPUMemory] | |
| 1176 | 1368 materials: GPUValue[array[3, MaterialA], IndirectGPUMemory] |
| 1369 materialTextures: array[3, Texture] | |
| 1177 | 1370 ShaderSettings = object |
| 1180 | 1371 gamma: float32 |
| 1176 | 1372 GlobalsA = object |
| 1162 | 1373 fontAtlas: Texture |
| 1176 | 1374 settings: GPUValue[ShaderSettings, IndirectGPUMemory] |
| 1161 | 1375 |
| 1162 | 1376 ShaderA = object |
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1377 # vertex input |
| 1161 | 1378 position {.VertexAttribute.}: Vec3f |
| 1176 | 1379 objPosition {.InstanceAttribute.}: Vec3f |
| 1380 rotation {.InstanceAttribute.}: Vec4f | |
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1381 # intermediate |
| 1162 | 1382 test {.Pass.}: float32 |
| 1383 test1 {.PassFlat.}: Vec3f | |
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1384 # output |
| 1162 | 1385 color {.ShaderOutput.}: Vec4f |
| 1180 | 1386 # descriptor sets |
| 1387 globals {.DescriptorSet.}: GlobalsA | |
| 1388 uniforms {.DescriptorSet.}: UniformsA | |
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1389 # code |
| 1162 | 1390 vertexCode: string = "void main() {}" |
| 1391 fragmentCode: string = "void main() {}" | |
| 1161 | 1392 |
| 1162 | 1393 let w = CreateWindow("test2") |
| 1394 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") | |
| 1179 | 1395 |
| 1396 # TODO: remove those ugly wrappers | |
| 1397 let theInstance = w.CreateInstance( | |
| 1162 | 1398 vulkanVersion = VK_MAKE_API_VERSION(0, 1, 3, 0), |
| 1399 instanceExtensions = @[], | |
| 1400 layers = @["VK_LAYER_KHRONOS_validation"], | |
| 1401 ) | |
| 1402 | |
| 1179 | 1403 let dev = theInstance.CreateDevice( |
| 1404 theInstance.GetPhysicalDevices().FilterBestGraphics(), | |
| 1162 | 1405 enabledExtensions = @[], |
| 1179 | 1406 theInstance.GetPhysicalDevices().FilterBestGraphics().FilterForGraphicsPresentationQueues() |
| 1407 ).vk | |
| 1173 | 1408 let frameWidth = 100'u32 |
| 1409 let frameHeight = 100'u32 | |
| 1162 | 1410 |
| 1179 | 1411 # TODO: pack this stuff into a setup method and condense everything a bit |
| 1412 let pDevice = theInstance.vk.GetPhysicalDevice() | |
| 1413 let qfi = pDevice.GetQueueFamily(VK_QUEUE_GRAPHICS_BIT) | |
| 1414 vulkan = VulkanGlobals( | |
| 1415 instance: theInstance.vk, | |
| 1416 device: dev, | |
| 1417 physicalDevice: pDevice, | |
| 1418 queueFamilyIndex: qfi, | |
| 1419 queue: dev.GetQueue(qfi, VK_QUEUE_GRAPHICS_BIT) | |
| 1420 ) | |
| 1421 | |
| 1176 | 1422 var myMesh1 = MeshA( |
| 1423 position: GPUArray[Vec3f, IndirectGPUMemory](data: @[NewVec3f(0, 0, ), NewVec3f(0, 0, ), NewVec3f(0, 0, )]), | |
| 1424 ) | |
| 1425 var uniforms1 = UniformsA( | |
| 1426 materials: GPUValue[array[3, MaterialA], IndirectGPUMemory](data: [ | |
| 1427 MaterialA(reflection: 0, baseColor: NewVec3f(1, 0, 0)), | |
| 1428 MaterialA(reflection: 0.1, baseColor: NewVec3f(0, 1, 0)), | |
| 1429 MaterialA(reflection: 0.5, baseColor: NewVec3f(0, 0, 1)), | |
| 1430 ]), | |
| 1431 materialTextures: [ | |
| 1432 Texture(isGrayscale: false, colorImage: Image[RGBAPixel](width: 1, height: 1, imagedata: @[[255'u8, 0'u8, 0'u8, 255'u8]])), | |
| 1433 Texture(isGrayscale: false, colorImage: Image[RGBAPixel](width: 1, height: 1, imagedata: @[[0'u8, 255'u8, 0'u8, 255'u8]])), | |
| 1434 Texture(isGrayscale: false, colorImage: Image[RGBAPixel](width: 1, height: 1, imagedata: @[[0'u8, 0'u8, 255'u8, 255'u8]])), | |
| 1435 ] | |
| 1436 ) | |
| 1437 var instances1 = InstanceA( | |
| 1438 rotation: GPUArray[Vec4f, IndirectGPUMemory](data: @[NewVec4f(1, 0, 0, 0.1), NewVec4f(0, 1, 0, 0.1)]), | |
| 1439 objPosition: GPUArray[Vec3f, IndirectGPUMemory](data: @[NewVec3f(0, 0, 0), NewVec3f(1, 1, 1)]), | |
| 1440 ) | |
| 1441 var myGlobals: GlobalsA | |
| 1173 | 1442 |
| 1443 # setup for rendering (TODO: swapchain & framebuffers) | |
| 1179 | 1444 let renderpass = CreateRenderPass(GetSurfaceFormat()) |
| 1173 | 1445 |
| 1446 # shaders | |
| 1447 const shader = ShaderA() | |
| 1179 | 1448 let shaderObject = CompileShader(shader) |
| 1449 var pipeline1 = CreatePipeline(renderPass = renderpass, shader = shaderObject) | |
| 1176 | 1450 |
| 1179 | 1451 var renderdata = InitRenderData() |
| 1176 | 1452 |
| 1179 | 1453 # TODO: Textures |
| 1177 | 1454 # upload all textures |
| 1455 # write descriptors for textures and uniform buffers | |
| 1161 | 1456 |
| 1178 | 1457 # buffer allocation |
| 1177 | 1458 var |
| 1459 indirectVertexSizes = 0'u64 | |
| 1460 directVertexSizes = 0'u64 | |
| 1461 indirectIndexSizes = 0'u64 | |
| 1462 directIndexSizes = 0'u64 | |
| 1463 indirectUniformSizes = 0'u64 | |
| 1464 directUniformSizes = 0'u64 | |
| 1465 | |
| 1179 | 1466 # buffer allocation |
| 1467 | |
| 1468 echo "Allocating GPU buffers" | |
| 1177 | 1469 indirectVertexSizes += GetIndirectBufferSizes(myMesh1) |
| 1470 indirectVertexSizes += GetIndirectBufferSizes(instances1) | |
| 1179 | 1471 AllocateIndirectBuffer(renderdata, indirectVertexSizes, VertexBuffer) |
| 1177 | 1472 |
| 1473 directVertexSizes += GetDirectBufferSizes(myMesh1) | |
| 1474 directVertexSizes += GetDirectBufferSizes(instances1) | |
| 1179 | 1475 AllocateDirectBuffer(renderdata, directVertexSizes, VertexBuffer) |
| 1177 | 1476 |
| 1477 indirectIndexSizes += GetIndirectIndexBufferSizes(myMesh1) | |
| 1179 | 1478 AllocateIndirectBuffer(renderdata, indirectIndexSizes, IndexBuffer) |
| 1177 | 1479 |
| 1480 directIndexSizes += GetDirectIndexBufferSizes(myMesh1) | |
| 1179 | 1481 AllocateDirectBuffer(renderdata, directIndexSizes, IndexBuffer) |
| 1177 | 1482 |
| 1483 indirectUniformSizes += GetIndirectBufferSizes(uniforms1) | |
| 1484 indirectUniformSizes += GetIndirectBufferSizes(myGlobals) | |
| 1179 | 1485 AllocateIndirectBuffer(renderdata, indirectUniformSizes, UniformBuffer) |
| 1177 | 1486 |
| 1487 directUniformSizes += GetDirectBufferSizes(uniforms1) | |
| 1488 directUniformSizes += GetDirectBufferSizes(myGlobals) | |
| 1179 | 1489 AllocateDirectBuffer(renderdata, directUniformSizes, UniformBuffer) |
| 1178 | 1490 |
| 1491 # buffer assignment | |
| 1179 | 1492 # |
| 1493 echo "Assigning buffers to GPUData fields" | |
| 1178 | 1494 |
| 1179 | 1495 # for meshes we do: |
| 1496 renderdata.AssignIndirectBuffers(VertexBuffer, myMesh1) | |
| 1497 renderdata.AssignDirectBuffers(VertexBuffer, myMesh1) | |
| 1498 renderdata.AssignIndirectBuffers(IndexBuffer, myMesh1) | |
| 1499 renderdata.AssignDirectBuffers(IndexBuffer, myMesh1) | |
| 1500 | |
| 1501 # for instances we do: | |
| 1502 renderdata.AssignIndirectBuffers(VertexBuffer, instances1) | |
| 1503 renderdata.AssignDirectBuffers(VertexBuffer, instances1) | |
| 1178 | 1504 |
| 1179 | 1505 # for uniforms/globals we do: |
| 1506 renderdata.AssignIndirectBuffers(UniformBuffer, uniforms1) | |
| 1507 renderdata.AssignDirectBuffers(UniformBuffer, uniforms1) | |
| 1508 renderdata.AssignIndirectBuffers(UniformBuffer, myGlobals) | |
| 1509 renderdata.AssignDirectBuffers(UniformBuffer, myGlobals) | |
| 1510 | |
| 1511 # buffer filling | |
| 1178 | 1512 |
| 1179 | 1513 echo "Copying all data to GPU memory" |
| 1514 | |
| 1515 # copy everything to GPU | |
| 1516 UpdateAllGPUBuffers(myMesh1) | |
| 1517 UpdateAllGPUBuffers(instances1) | |
| 1518 UpdateAllGPUBuffers(uniforms1) | |
| 1519 UpdateAllGPUBuffers(myGlobals) | |
| 1520 renderdata.FlushDirectMemory() | |
| 1177 | 1521 |
| 1180 | 1522 var s1 = CreateDescriptorSet(renderdata, pipeline1, myGlobals, 0) |
| 1523 var s2 = CreateDescriptorSet(renderdata, pipeline1, uniforms1, 1) | |
| 1524 | |
| 1173 | 1525 # descriptors |
| 1180 | 1526 # WriteDescriptors[ShaderA, UniformsA, GlobalsA](renderdata, uniforms1, myGlobals) |
| 1179 | 1527 |
| 1528 # create descriptor sets | |
| 1529 #[ | |
| 1530 var descriptorSets: array[INFLIGHTFRAMES.int, VkDescriptorSet] | |
| 1531 var layouts = newSeqWith(descriptorSets.len, pipeline.descriptorSetLayouts) | |
| 1532 var allocInfo = VkDescriptorSetAllocateInfo( | |
| 1533 sType: VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO, | |
| 1534 descriptorPool: pool, | |
| 1535 descriptorSetCount: uint32(layouts.len), | |
| 1536 pSetLayouts: layouts.ToCPointer, | |
| 1537 ) | |
| 1538 checkVkResult vkAllocateDescriptorSets(device, addr(allocInfo), descriptorSets.ToCPointer) | |
| 1539 ]# | |
| 1540 | |
| 1541 | |
| 1173 | 1542 |
| 1543 # command buffer | |
| 1544 var | |
| 1545 commandBufferPool: VkCommandPool | |
| 1546 createInfo = VkCommandPoolCreateInfo( | |
| 1547 sType: VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO, | |
| 1548 flags: toBits [VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT], | |
| 1179 | 1549 queueFamilyIndex: vulkan.queueFamilyIndex, |
| 1173 | 1550 ) |
| 1179 | 1551 checkVkResult vkCreateCommandPool(vulkan.device, addr createInfo, nil, addr commandBufferPool) |
| 1178 | 1552 var |
| 1553 cmdBuffers: array[INFLIGHTFRAMES.int, VkCommandBuffer] | |
| 1554 allocInfo = VkCommandBufferAllocateInfo( | |
| 1555 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO, | |
| 1556 commandPool: commandBufferPool, | |
| 1557 level: VK_COMMAND_BUFFER_LEVEL_PRIMARY, | |
| 1558 commandBufferCount: INFLIGHTFRAMES, | |
| 1559 ) | |
| 1179 | 1560 checkVkResult vkAllocateCommandBuffers(vulkan.device, addr allocInfo, cmdBuffers.ToCPointer) |
|
1163
438d32d8b14f
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parents:
1162
diff
changeset
|
1561 |
| 1173 | 1562 # start command buffer |
| 1563 block: | |
| 1564 let | |
| 1565 currentFramebuffer = VkFramebuffer(0) # TODO | |
| 1566 currentFrameInFlight = 1 | |
| 1567 cmd = cmdBuffers[currentFrameInFlight] | |
| 1568 beginInfo = VkCommandBufferBeginInfo( | |
| 1569 sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, | |
| 1570 flags: VkCommandBufferUsageFlags(VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT), | |
| 1571 ) | |
| 1572 checkVkResult cmd.vkResetCommandBuffer(VkCommandBufferResetFlags(0)) | |
| 1573 checkVkResult cmd.vkBeginCommandBuffer(addr(beginInfo)) | |
|
1163
438d32d8b14f
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sam <sam@basx.dev>
parents:
1162
diff
changeset
|
1574 |
| 1173 | 1575 # start renderpass |
| 1576 block: | |
| 1577 var | |
| 1578 clearColors = [VkClearValue(color: VkClearColorValue(float32: [0, 0, 0, 0]))] | |
| 1579 renderPassInfo = VkRenderPassBeginInfo( | |
| 1580 sType: VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO, | |
| 1581 renderPass: renderpass, | |
| 1178 | 1582 framebuffer: currentFramebuffer, # TODO |
| 1173 | 1583 renderArea: VkRect2D( |
| 1584 offset: VkOffset2D(x: 0, y: 0), | |
| 1585 extent: VkExtent2D(width: frameWidth, height: frameHeight), | |
| 1586 ), | |
| 1587 clearValueCount: uint32(clearColors.len), | |
| 1588 pClearValues: clearColors.ToCPointer(), | |
| 1589 ) | |
| 1590 viewport = VkViewport( | |
| 1591 x: 0.0, | |
| 1592 y: 0.0, | |
| 1593 width: frameWidth.float32, | |
| 1594 height: frameHeight.float32, | |
| 1595 minDepth: 0.0, | |
| 1596 maxDepth: 1.0, | |
| 1597 ) | |
| 1598 scissor = VkRect2D( | |
| 1599 offset: VkOffset2D(x: 0, y: 0), | |
| 1600 extent: VkExtent2D(width: frameWidth, height: frameHeight) | |
| 1601 ) | |
| 1179 | 1602 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
|
1603 |
| 1173 | 1604 # setup viewport |
| 1605 vkCmdSetViewport(cmd, firstViewport = 0, viewportCount = 1, addr(viewport)) | |
| 1606 vkCmdSetScissor(cmd, firstScissor = 0, scissorCount = 1, addr(scissor)) | |
| 1607 | |
| 1608 # bind pipeline, will be loop | |
| 1609 block: | |
| 1610 Bind(pipeline1, cmd, currentFrameInFlight = currentFrameInFlight) | |
| 1611 | |
| 1612 # render object, will be loop | |
| 1613 block: | |
| 1178 | 1614 Render(cmd, pipeline1, uniforms1, myGlobals, myMesh1, instances1) |
| 1173 | 1615 |
| 1616 vkCmdEndRenderPass(cmd) | |
| 1617 checkVkResult cmd.vkEndCommandBuffer() |