luboslenco
74 lines
3.0 KiB
Haxe
74 lines
3.0 KiB
Haxe
package arm.node;
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class MakeVoxel {
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#if rp_voxelao
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public static function run(data: iron.data.ShaderData.ShaderContext) {
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var structure = new kha.graphics4.VertexStructure();
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structure.add("pos", kha.graphics4.VertexData.Short4Norm);
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structure.add("nor", kha.graphics4.VertexData.Short2Norm);
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structure.add("tex", kha.graphics4.VertexData.Short2Norm);
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var 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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// var isMesh = Std.is(Context.object, MeshObject);
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// var skin = isMesh && cast(Context.object, MeshObject).data.geom.bones != null;
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// if (skin) {
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// structure.add("bone", kha.graphics4.VertexData.Short4Norm);
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// structure.add("weight", kha.graphics4.VertexData.Short4Norm);
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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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var ds = MaterialBuilder.getDisplaceStrength();
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pipeState.vertexShader = kha.graphics4.VertexShader.fromSource(
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#if (kha_direct3d11 || kha_direct3d12)
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"#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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" + MaterialBuilder.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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"#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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" + MaterialBuilder.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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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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#end
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}
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