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comparison tests/test_materials.nim @ 316:b145a05c2459

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add: changing rendering system, not finished yet, also upgrading to Nim 2
author Sam <sam@basx.dev>
date Mon, 07 Aug 2023 00:23:00 +0700
parents 4921ec86dcb4
children e4528d97a687
comparison
equal deleted inserted replaced
315:4921ec86dcb4 316:b145a05c2459
3 3
4 import semicongine 4 import semicongine
5 5
6 proc main() = 6 proc main() =
7 var flag = rect() 7 var flag = rect()
8 flag.materials = @["material2"]
8 var scene = newScene("main", root=newEntity("rect", {"mesh": Component(flag)})) 9 var scene = newScene("main", root=newEntity("rect", {"mesh": Component(flag)}))
9 let (RT, WT, PT) = (hexToColorAlpha("A51931").asPixel, hexToColorAlpha("F4F5F8").asPixel, hexToColorAlpha("2D2A4A").asPixel) 10 let (RT, WT, PT) = (hexToColorAlpha("A51931").asPixel, hexToColorAlpha("F4F5F8").asPixel, hexToColorAlpha("2D2A4A").asPixel)
10 let 11 let
11 # image from memory 12 # image from memory
12 thai = Image(width: 7, height: 5, imagedata: @[ 13 thai = Image(width: 7, height: 5, imagedata: @[
22 23
23 var sampler = DefaultSampler() 24 var sampler = DefaultSampler()
24 sampler.magnification = VK_FILTER_NEAREST 25 sampler.magnification = VK_FILTER_NEAREST
25 sampler.minification = VK_FILTER_NEAREST 26 sampler.minification = VK_FILTER_NEAREST
26 scene.addMaterial(Material(name:"material1", textures: { 27 scene.addMaterial(Material(name:"material1", textures: {
27 "swissflag": Texture(image: swiss, sampler: sampler), 28 "tex1": Texture(image: swiss, sampler: sampler),
28 "thaiflag": Texture(image: thai, sampler: sampler), 29 "tex2": Texture(image: thai, sampler: sampler),
29 }.toTable)) 30 }.toTable))
30 scene.addMaterial(Material(name:"material2", textures: { 31 scene.addMaterial(Material(name:"material2", textures: {
31 "swissflag": Texture(image: thai, sampler: sampler), 32 "tex1": Texture(image: thai, sampler: sampler),
32 "thaiflag": Texture(image: swiss, sampler: sampler), 33 "tex2": Texture(image: swiss, sampler: sampler),
33 }.toTable)) 34 }.toTable))
34 scene.addShaderGlobalArray("test2", @[0'f32, 0'f32]) 35 scene.addShaderGlobalArray("test2", @[0'f32, 0'f32])
35 36
36 var engine = initEngine("Test materials") 37 var engine = initEngine("Test materials")
37 38
38 const 39 const
39 vertexInput = @[ 40 vertexInput = @[
40 attr[Vec3f]("position", memoryPerformanceHint=PreferFastRead), 41 attr[Vec3f]("position", memoryPerformanceHint=PreferFastRead),
42 attr[uint16]("materialIndex", memoryPerformanceHint=PreferFastRead, perInstance=true),
41 attr[Vec2f]("uv", memoryPerformanceHint=PreferFastRead), 43 attr[Vec2f]("uv", memoryPerformanceHint=PreferFastRead),
42 ] 44 ]
43 vertexOutput = @[attr[Vec2f]("uvout")] 45 vertexOutput = @[attr[Vec2f]("uvout"), attr[uint16]("materialIndexOut", noInterpolation=true)]
44 uniforms = @[attr[float32]("test2", arrayCount=2)] 46 uniforms = @[attr[float32]("test2", arrayCount=2)]
45 samplers = @[ 47 samplers = @[
46 attr[Sampler2DType]("swissflag", arrayCount=2), 48 attr[Sampler2DType]("tex1", arrayCount=2),
47 attr[Sampler2DType]("thaiflag", arrayCount=2), 49 attr[Sampler2DType]("tex2", arrayCount=2),
48 ] 50 ]
49 fragOutput = @[attr[Vec4f]("color")] 51 fragOutput = @[attr[Vec4f]("color")]
50 vertexCode = compileGlslShader( 52 (vertexCode, fragmentCode) = compileVertexFragmentShaderSet(
51 stage=VK_SHADER_STAGE_VERTEX_BIT,
52 inputs=vertexInput, 53 inputs=vertexInput,
54 intermediate=vertexOutput,
55 outputs=fragOutput,
56 samplers=samplers,
53 uniforms=uniforms, 57 uniforms=uniforms,
54 samplers=samplers, 58 vertexCode="""
55 outputs=vertexOutput, 59 gl_Position = vec4(position.x, position.y + sin(Uniforms.test2[1]) / Uniforms.test2[1] * 0.5, position.z, 1.0);
56 main="""gl_Position = vec4(position.x, position.y + sin(Uniforms.test2[1]) / Uniforms.test2[1] * 0.5, position.z, 1.0); uvout = uv;""" 60 uvout = uv;
57 ) 61 materialIndexOut = materialIndex;""",
58 fragmentCode = compileGlslShader( 62 fragmentCode="""
59 stage=VK_SHADER_STAGE_FRAGMENT_BIT, 63 float d = sin(Uniforms.test2[0]) * 0.5 + 0.5;
60 inputs=vertexOutput, 64 color = texture(tex1[materialIndexOut], uvout) * (1 - d) + texture(tex2[materialIndexOut], uvout) * d;
61 uniforms=uniforms, 65 """,
62 samplers=samplers,
63 outputs=fragOutput,
64 main="""
65 float d = sin(Uniforms.test2[0]) * 0.5 + 0.5;
66 color = texture(swissflag[1], uvout) * (1 - d) + texture(thaiflag[1], uvout) * d;
67 """
68 ) 66 )
69 engine.setRenderer(engine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode)) 67 engine.setRenderer(engine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode))
70 engine.addScene(scene, vertexInput, samplers, transformAttribute="", materialIndexAttribute="") 68 engine.addScene(scene, vertexInput, samplers, transformAttribute="")
71 var t = cpuTime() 69 var t = cpuTime()
72 while engine.updateInputs() == Running and not engine.keyIsDown(Escape): 70 while engine.updateInputs() == Running and not engine.keyIsDown(Escape):
73 var d = float32(cpuTime() - t) 71 var d = float32(cpuTime() - t)
74 setShaderGlobalArray(scene, "test2", @[d, d * 2]) 72 setShaderGlobalArray(scene, "test2", @[d, d * 2])
75 engine.renderScene(scene) 73 engine.renderScene(scene)