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comparison tests/test_gltf.nim @ 1249:d83726af7abb

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did: first triangles getting loaded from gltf
author sam <sam@basx.dev>
date Thu, 25 Jul 2024 22:41:24 +0700
parents 317bb5a73606
children 3f98ad20a9d3
comparison
equal deleted inserted replaced
1248:317bb5a73606 1249:d83726af7abb
24 emissiveTexture: int32 = -1 24 emissiveTexture: int32 = -1
25 MainDescriptors = object 25 MainDescriptors = object
26 material: GPUValue[Material, UniformBuffer] 26 material: GPUValue[Material, UniformBuffer]
27 Shader = object 27 Shader = object
28 position {.VertexAttribute.}: Vec3f 28 position {.VertexAttribute.}: Vec3f
29 color {.VertexAttribute.}: Vec4f
30 uv {.VertexAttribute.}: Vec2f 29 uv {.VertexAttribute.}: Vec2f
31 fragmentColor {.Pass.}: Vec4f 30 fragmentColor {.Pass.}: Vec4f
32 fragmentUv {.Pass.}: Vec2f 31 fragmentUv {.Pass.}: Vec2f
33 outColor {.ShaderOutput.}: Vec4f 32 outColor {.ShaderOutput.}: Vec4f
34 descriptors {.DescriptorSets.}: (MainDescriptors, ) 33 descriptors {.DescriptorSets.}: (MainDescriptors, )
35 # code 34 # code
36 vertexCode: string = """ 35 vertexCode: string = """
37 void main() { 36 void main() {
38 fragmentColor = color; 37 fragmentColor = vec4(1, 1, 1, 1);
39 fragmentUv = uv; 38 fragmentUv = uv;
40 gl_Position = vec4(position, 1); 39 gl_Position = vec4(position, 1);
41 }""" 40 }"""
42 fragmentCode: string = """void main() { outColor = fragmentColor;}""" 41 fragmentCode: string = """void main() { outColor = fragmentColor;}"""
43 Mesh = object 42 Mesh = object
44 position: GPUArray[Vec3f, VertexBuffer] 43 position: GPUArray[Vec3f, VertexBuffer]
45 color: GPUArray[Vec4f, VertexBuffer]
46 uv: GPUArray[Vec2f, VertexBuffer] 44 uv: GPUArray[Vec2f, VertexBuffer]
47 45
48 let gltfMesh = LoadMeshes[Mesh, Material]( 46 var gltfMesh = LoadMeshes[Mesh, Material](
49 "town.glb", 47 "town.glb",
50 MeshAttributeNames( 48 MeshAttributeNames(
51 POSITION: "position", 49 POSITION: "position",
52 COLOR: @["color"], 50 TEXCOORD: @["uv"],
53 TEXCOORD: @["uv"], 51 ),
54 ),
55 MaterialAttributeNames( 52 MaterialAttributeNames(
56 baseColorFactor: "color", 53 baseColorFactor: "color",
57 baseColorTexture: "colorTexture", 54 baseColorTexture: "colorTexture",
58 metallicFactor: "metallic", 55 metallicFactor: "metallic",
59 roughnessFactor: "roughness", 56 roughnessFactor: "roughness",
62 occlusionTexture: "occlusionTexture", 59 occlusionTexture: "occlusionTexture",
63 emissiveTexture: "emissiveTexture", 60 emissiveTexture: "emissiveTexture",
64 emissiveFactor: "emissive", 61 emissiveFactor: "emissive",
65 ) 62 )
66 ) 63 )
67 var mesh = gltfMesh.meshes[0][0] 64 for mesh in mitems(gltfMesh.meshes):
68 renderdata.AssignBuffers(mesh) 65 for primitive in mitems(mesh):
66 renderdata.AssignBuffers(primitive[0])
69 renderdata.FlushAllMemory() 67 renderdata.FlushAllMemory()
70 68
71 var pipeline = CreatePipeline[Shader](renderPass = vulkan.swapchain.renderPass) 69 var pipeline = CreatePipeline[Shader](renderPass = vulkan.swapchain.renderPass)
72 70
73 var start = getMonoTime() 71 var start = getMonoTime()
77 75
78 WithRenderPass(vulkan.swapchain.renderPass, framebuffer, commandbuffer, vulkan.swapchain.width, vulkan.swapchain.height, NewVec4f(0, 0, 0, 0)): 76 WithRenderPass(vulkan.swapchain.renderPass, framebuffer, commandbuffer, vulkan.swapchain.width, vulkan.swapchain.height, NewVec4f(0, 0, 0, 0)):
79 77
80 WithPipeline(commandbuffer, pipeline): 78 WithPipeline(commandbuffer, pipeline):
81 79
82 Render(commandbuffer = commandbuffer, pipeline = pipeline, mesh = mesh) 80 for mesh in gltfMesh.meshes:
81 for primitive in mesh:
82 Render(commandbuffer = commandbuffer, pipeline = pipeline, mesh = primitive[0])
83 83
84 # cleanup 84 # cleanup
85 checkVkResult vkDeviceWaitIdle(vulkan.device) 85 checkVkResult vkDeviceWaitIdle(vulkan.device)
86 DestroyPipeline(pipeline) 86 DestroyPipeline(pipeline)
87 DestroyRenderData(renderdata) 87 DestroyRenderData(renderdata)
88 when isMainModule: 88 when isMainModule:
89 var time = 1'f32 89 var time = 5'f32
90 InitVulkan() 90 InitVulkan()
91 91
92 var renderpass = CreateDirectPresentationRenderPass(depthBuffer = true, samples = VK_SAMPLE_COUNT_4_BIT) 92 var renderpass = CreateDirectPresentationRenderPass(depthBuffer = true, samples = VK_SAMPLE_COUNT_4_BIT)
93 SetupSwapchain(renderpass = renderpass) 93 SetupSwapchain(renderpass = renderpass)
94 94