luboslenco
40 lines
1.6 KiB
TypeScript
40 lines
1.6 KiB
TypeScript
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class MakeBrush {
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static run = (vert: NodeShaderRaw, frag: NodeShaderRaw) => {
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NodeShader.write(frag, 'float dist = 0.0;');
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if (Config.raw.brush_3d) {
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///if (krom_direct3d11 || krom_direct3d12 || krom_metal || krom_vulkan)
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NodeShader.write(frag, 'float depth = textureLod(gbufferD, inp.xy, 0.0).r;');
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///else
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NodeShader.write(frag, 'float depth = textureLod(gbufferD, vec2(inp.x, 1.0 - inp.y), 0.0).r;');
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///end
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NodeShader.add_uniform(frag, 'mat4 invVP', '_inv_view_proj_matrix');
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NodeShader.write(frag, 'vec4 winp = vec4(vec2(inp.x, 1.0 - inp.y) * 2.0 - 1.0, depth * 2.0 - 1.0, 1.0);');
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NodeShader.write(frag, 'winp = mul(winp, invVP);');
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NodeShader.write(frag, 'winp.xyz /= winp.w;');
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NodeShader.add_uniform(frag, 'mat4 W', '_world_matrix');
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NodeShader.write_attrib(frag, 'vec3 wposition = mul(texelFetch(texpaint_undo, ivec2(texCoord.x * textureSize(texpaint_undo, 0).x, texCoord.y * textureSize(texpaint_undo, 0).y), 0), W).xyz;');
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///if (krom_direct3d11 || krom_direct3d12 || krom_metal || krom_vulkan)
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NodeShader.write(frag, 'float depthlast = textureLod(gbufferD, inplast.xy, 0.0).r;');
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///else
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NodeShader.write(frag, 'float depthlast = textureLod(gbufferD, vec2(inplast.x, 1.0 - inplast.y), 0.0).r;');
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///end
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NodeShader.write(frag, 'vec4 winplast = vec4(vec2(inplast.x, 1.0 - inplast.y) * 2.0 - 1.0, depthlast * 2.0 - 1.0, 1.0);');
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NodeShader.write(frag, 'winplast = mul(winplast, invVP);');
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NodeShader.write(frag, 'winplast.xyz /= winplast.w;');
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NodeShader.write(frag, 'dist = distance(wposition, winp.xyz);');
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}
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NodeShader.write(frag, 'if (dist > brushRadius) discard;');
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}
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}
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