Format
This commit is contained in:
luboslenco
@@ -0,0 +1,156 @@
|
||||
|
||||
let make_mesh_preview_opacity_discard_decal: f32 = 0.05;
|
||||
|
||||
function make_mesh_preview_run(data: material_t, matcon: material_context_t): NodeShaderContextRaw {
|
||||
let context_id = "mesh";
|
||||
let con_mesh = node_shader_context_create(data, {
|
||||
name: context_id,
|
||||
depth_write: true,
|
||||
compare_mode: "less",
|
||||
cull_mode: "clockwise",
|
||||
vertex_elements: [{name: "pos", data: "short4norm"}, {name: "nor", data: "short2norm"}, {name: "tex", data: "short2norm"}],
|
||||
color_attachments: ["RGBA64", "RGBA64", "RGBA64"],
|
||||
depth_attachment: "DEPTH32"
|
||||
});
|
||||
|
||||
let vert = node_shader_context_make_vert(con_mesh);
|
||||
let frag = node_shader_context_make_frag(con_mesh);
|
||||
frag.ins = vert.outs;
|
||||
let pos = "pos";
|
||||
|
||||
///if arm_skin
|
||||
let skin = mesh_data_get_vertex_array(context_raw.paint_object.data, "bone") != null;
|
||||
if (skin) {
|
||||
pos = "spos";
|
||||
node_shader_context_add_elem(con_mesh, "bone", 'short4norm');
|
||||
node_shader_context_add_elem(con_mesh, "weight", 'short4norm');
|
||||
node_shader_add_function(vert, str_get_skinning_dual_quat);
|
||||
node_shader_add_uniform(vert, 'vec4 skinBones[128 * 2]', '_skin_bones');
|
||||
node_shader_add_uniform(vert, 'float posUnpack', '_pos_unpack');
|
||||
node_shader_write_attrib(vert, 'vec4 skinA;');
|
||||
node_shader_write_attrib(vert, 'vec4 skinB;');
|
||||
node_shader_write_attrib(vert, 'getSkinningDualQuat(ivec4(bone * 32767), weight, skinA, skinB);');
|
||||
node_shader_write_attrib(vert, 'vec3 spos = pos.xyz;');
|
||||
node_shader_write_attrib(vert, 'spos.xyz *= posUnpack;');
|
||||
node_shader_write_attrib(vert, 'spos.xyz += 2.0 * cross(skinA.xyz, cross(skinA.xyz, spos.xyz) + skinA.w * spos.xyz);');
|
||||
node_shader_write_attrib(vert, 'spos.xyz += 2.0 * (skinA.w * skinB.xyz - skinB.w * skinA.xyz + cross(skinA.xyz, skinB.xyz));');
|
||||
node_shader_write_attrib(vert, 'spos.xyz /= posUnpack;');
|
||||
}
|
||||
///end
|
||||
|
||||
node_shader_add_uniform(vert, 'mat4 WVP', '_world_view_proj_matrix');
|
||||
node_shader_write_attrib(vert, `gl_Position = mul(vec4(${pos}.xyz, 1.0), WVP);`);
|
||||
|
||||
let brush_scale = (context_raw.brush_scale * context_raw.brush_nodes_scale) + "";
|
||||
node_shader_add_out(vert, 'vec2 texCoord');
|
||||
node_shader_write_attrib(vert, `texCoord = tex * float(${brush_scale});`);
|
||||
|
||||
let decal = context_raw.decal_preview;
|
||||
parser_material_sample_keep_aspect = decal;
|
||||
parser_material_sample_uv_scale = brush_scale;
|
||||
parser_material_parse_height = make_material_height_used;
|
||||
parser_material_parse_height_as_channel = true;
|
||||
// let sout = parser_material_parse(ui_nodes_getCanvasMaterial(), con_mesh, vert, frag, matcon);
|
||||
parser_material_parse_height = false;
|
||||
parser_material_parse_height_as_channel = false;
|
||||
parser_material_sample_keep_aspect = false;
|
||||
let base = "vec3(1.0, 1.0, 1.0)";//sout.out_basecol;
|
||||
let rough = "0.0";//sout.out_roughness;
|
||||
let met = "0.0";//sout.out_metallic;
|
||||
let occ = "0.0";//sout.out_occlusion;
|
||||
let opac = "0.0";//sout.out_opacity;
|
||||
let height = "0.0";//sout.out_height;
|
||||
let nortan = "vec3(1.0, 1.0, 1.0)";//parser_material_out_normaltan;
|
||||
node_shader_write(frag, `vec3 basecol = pow(${base}, vec3(2.2, 2.2, 2.2));`);
|
||||
node_shader_write(frag, `float roughness = ${rough};`);
|
||||
node_shader_write(frag, `float metallic = ${met};`);
|
||||
node_shader_write(frag, `float occlusion = ${occ};`);
|
||||
node_shader_write(frag, `float opacity = ${opac};`);
|
||||
node_shader_write(frag, `vec3 nortan = ${nortan};`);
|
||||
node_shader_write(frag, `float height = ${height};`);
|
||||
|
||||
// parser_material_parse_height_as_channel = false;
|
||||
// node_shader_write(vert, `float vheight = ${height};`);
|
||||
// node_shader_add_out(vert, 'float height');
|
||||
// node_shader_write(vert, 'height = vheight;');
|
||||
// let displaceStrength = 0.1;
|
||||
// if (heightUsed && displaceStrength > 0.0) {
|
||||
// node_shader_write(vert, `vec3 pos2 = ${pos}.xyz + vec3(nor.xy, pos.w) * vec3(${height}, ${height}, ${height}) * vec3(${displaceStrength}, ${displaceStrength}, ${displaceStrength});`);
|
||||
// node_shader_write(vert, 'gl_Position = mul(vec4(pos2.xyz, 1.0), WVP);');
|
||||
// }
|
||||
|
||||
if (decal) {
|
||||
if (context_raw.tool == workspace_tool_t.TEXT) {
|
||||
node_shader_add_uniform(frag, 'sampler2D textexttool', '_textexttool');
|
||||
node_shader_write(frag, `opacity *= textureLod(textexttool, texCoord / float(${brush_scale}), 0.0).r;`);
|
||||
}
|
||||
}
|
||||
if (decal) {
|
||||
let opac = make_mesh_preview_opacity_discard_decal;
|
||||
node_shader_write(frag, `if (opacity < ${opac}) discard;`);
|
||||
}
|
||||
|
||||
node_shader_add_out(frag, 'vec4 fragColor[3]');
|
||||
frag.n = true;
|
||||
|
||||
node_shader_add_function(frag, str_pack_float_int16);
|
||||
node_shader_add_function(frag, str_cotangent_frame);
|
||||
node_shader_add_function(frag, str_octahedron_wrap);
|
||||
|
||||
if (make_material_height_used) {
|
||||
node_shader_write(frag, 'if (height > 0.0) {');
|
||||
node_shader_write(frag, 'float height_dx = dFdx(height * 2.0);');
|
||||
node_shader_write(frag, 'float height_dy = dFdy(height * 2.0);');
|
||||
// node_shader_write(frag, 'float height_dx = height0 - height1;');
|
||||
// node_shader_write(frag, 'float height_dy = height2 - height3;');
|
||||
// Whiteout blend
|
||||
node_shader_write(frag, 'vec3 n1 = nortan * vec3(2.0, 2.0, 2.0) - vec3(1.0, 1.0, 1.0);');
|
||||
node_shader_write(frag, 'vec3 n2 = normalize(vec3(height_dx * 16.0, height_dy * 16.0, 1.0));');
|
||||
node_shader_write(frag, 'nortan = normalize(vec3(n1.xy + n2.xy, n1.z * n2.z)) * vec3(0.5, 0.5, 0.5) + vec3(0.5, 0.5, 0.5);');
|
||||
node_shader_write(frag, '}');
|
||||
}
|
||||
|
||||
// Apply normal channel
|
||||
if (decal) {
|
||||
// TODO
|
||||
}
|
||||
else {
|
||||
frag.vvec = true;
|
||||
///if (krom_direct3d11 || krom_direct3d12 || krom_metal || krom_vulkan)
|
||||
node_shader_write(frag, 'mat3 TBN = cotangentFrame(n, vVec, texCoord);');
|
||||
///else
|
||||
node_shader_write(frag, 'mat3 TBN = cotangentFrame(n, -vVec, texCoord);');
|
||||
///end
|
||||
node_shader_write(frag, 'n = nortan * 2.0 - 1.0;');
|
||||
node_shader_write(frag, 'n.y = -n.y;');
|
||||
node_shader_write(frag, 'n = normalize(mul(n, TBN));');
|
||||
}
|
||||
|
||||
node_shader_write(frag, 'n /= (abs(n.x) + abs(n.y) + abs(n.z));');
|
||||
node_shader_write(frag, 'n.xy = n.z >= 0.0 ? n.xy : octahedronWrap(n.xy);');
|
||||
// uint matid = 0;
|
||||
|
||||
if (decal) {
|
||||
node_shader_write(frag, 'fragColor[0] = vec4(n.x, n.y, roughness, packFloatInt16(metallic, uint(0)));'); // metallic/matid
|
||||
node_shader_write(frag, 'fragColor[1] = vec4(basecol, occlusion);');
|
||||
}
|
||||
else {
|
||||
node_shader_write(frag, 'fragColor[0] = vec4(n.x, n.y, mix(1.0, roughness, opacity), packFloatInt16(mix(1.0, metallic, opacity), uint(0)));'); // metallic/matid
|
||||
node_shader_write(frag, 'fragColor[1] = vec4(mix(vec3(0.0, 0.0, 0.0), basecol, opacity), occlusion);');
|
||||
}
|
||||
node_shader_write(frag, 'fragColor[2] = vec4(0.0, 0.0, 0.0, 0.0);'); // veloc
|
||||
|
||||
parser_material_finalize(con_mesh);
|
||||
|
||||
///if arm_skin
|
||||
if (skin) {
|
||||
node_shader_write(vert, 'wnormal = normalize(mul(vec3(nor.xy, pos.w) + 2.0 * cross(skinA.xyz, cross(skinA.xyz, vec3(nor.xy, pos.w)) + skinA.w * vec3(nor.xy, pos.w)), N));');
|
||||
}
|
||||
///end
|
||||
|
||||
con_mesh.data.shader_from_source = true;
|
||||
con_mesh.data.vertex_shader = node_shader_get(vert);
|
||||
con_mesh.data.fragment_shader = node_shader_get(frag);
|
||||
|
||||
return con_mesh;
|
||||
}
|
||||
Reference in New Issue
Block a user