mdx-m3-viewer/dist/cjs/viewer/handlers/shaders/bonetexture.glsl.d.ts

A browser WebGL model viewer. Mainly focused on models of the games Warcraft 3 and Starcraft 2.

declare const shader = "\nuniform sampler2D u_boneMap;\nuniform float u_vectorSize;\nuniform float u_rowSize;\n\nmat4 fetchMatrix(float column, float row) {\n  column *= u_vectorSize * 4.0;\n  row *= u_rowSize;\n  // Add in half a texel, to sample in the middle of the texel.\n  // Otherwise, since the sample is directly on the boundary, floating point errors can cause the sample to get the wrong pixel.\n  // This is most noticeable with NPOT textures, which the bone maps are.\n  column += 0.5 * u_vectorSize;\n  row += 0.5 * u_rowSize;\n\n  return mat4(texture2D(u_boneMap, vec2(column, row)),\n              texture2D(u_boneMap, vec2(column + u_vectorSize, row)),\n              texture2D(u_boneMap, vec2(column + u_vectorSize * 2.0, row)),\n              texture2D(u_boneMap, vec2(column + u_vectorSize * 3.0, row)));\n}\n";
export default shader;