luboslenco
75 lines
2.9 KiB
TypeScript
75 lines
2.9 KiB
TypeScript
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class MakeVoxel {
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///if arm_voxels
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static run = (data: ShaderContext) => {
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let structure = new VertexStructure();
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structure.add("pos", VertexData.I16_4X_Normalized);
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structure.add("nor", VertexData.I16_2X_Normalized);
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structure.add("tex", VertexData.I16_2X_Normalized);
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let pipeState = data.pipeState;
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pipeState.inputLayout = [structure];
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data.raw.vertex_elements = [{name: "pos", data: "short4norm"}, {name: "nor", data: "short2norm"}, {name: "tex", data: "short2norm"}];
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// ///if arm_skin
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// let isMesh = Context.raw.object.constructor == MeshObject;
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// let skin = isMesh && cast(Context.raw.object, MeshObject).data.geom.bones != null;
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// if (skin) {
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// structure.add("bone", VertexData.I16_4X_Normalized);
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// structure.add("weight", VertexData.I16_4X_Normalized);
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// data.raw.vertex_elements.push({ name: "bone", data: 'short4norm' });
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// data.raw.vertex_elements.push({ name: "weight", data: 'short4norm' });
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// }
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// ///end
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let ds = MakeMaterial.getDisplaceStrength();
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pipeState.vertexShader = Shader.fromSource(MakeVoxel.voxelSource(), ShaderType.Vertex);
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pipeState.compile();
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data.raw.constants = [{ name: "W", type: "mat4", link: "_worldMatrix" }, { name: "N", type: "mat3", link: "_normalMatrix" }];
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data.constants = [pipeState.getConstantLocation("W"), pipeState.getConstantLocation("N")];
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data.raw.texture_units = [{ name: "texpaint_pack" }, { name: "voxels", is_image: true }];
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data.textureUnits = [pipeState.getTextureUnit("texpaint_pack"), pipeState.getTextureUnit("voxels")];
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}
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static voxelSource = (): string => {
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///if krom_direct3d11
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return `#define vec3 float3
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uniform float4x4 W;
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uniform float3x3 N;
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Texture2D<float4> texpaint_pack;
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SamplerState _texpaint_pack_sampler;
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struct SPIRV_Cross_Input { float4 pos : TEXCOORD1; float2 nor : TEXCOORD0; float2 tex : TEXCOORD2; };
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struct SPIRV_Cross_Output { float4 svpos : SV_POSITION; };
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SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input) {
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SPIRV_Cross_Output stage_output;
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" + MakeMaterial.voxelgiHalfExtents() + "
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stage_output.svpos.xyz = mul(float4(stage_input.pos.xyz, 1.0), W).xyz / voxelgiHalfExtents.xxx;
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float3 wnormal = normalize(mul(float3(stage_input.nor.xy, stage_input.pos.w), N));
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float height = texpaint_pack.SampleLevel(_texpaint_pack_sampler, stage_input.tex, 0.0).a;
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stage_output.svpos.xyz += wnormal * height.xxx * float3(" + ds + "," + ds + "," + ds + ");
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stage_output.svpos.w = 1.0;
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return stage_output;
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}`;
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///else
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return `#version 450
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in vec4 pos;
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in vec2 nor;
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in vec2 tex;
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out vec3 voxpositionGeom;
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uniform mat4 W;
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uniform mat3 N;
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uniform sampler2D texpaint_pack;
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void main() {
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" + MakeMaterial.voxelgiHalfExtents() + "
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voxpositionGeom = vec3(W * vec4(pos.xyz, 1.0)) / voxelgiHalfExtents;
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vec3 wnormal = normalize(N * vec3(nor.xy, pos.w));
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float height = textureLod(texpaint_pack, tex, 0.0).a;
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voxpositionGeom += wnormal * vec3(height) * vec3(" + ds + ");
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}`;
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///end
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}
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///end
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}
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