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molstar

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A comprehensive macromolecular library.

github.com/molstar/molstar

molstar/molstar

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export declare const assign_material_color = "\n#if defined(dRenderVariant_color) || defined(dRenderVariant_marking)\n #if defined(dMarkerType_uniform)\n float marker = uMarker;\n #elif defined(dMarkerType_groupInstance)\n float marker = vMarker;\n #endif\n marker = floor(marker * 255.0 + 0.5); // rounding required to work on some cards on win\n#endif\n\n#if defined(dRenderVariant_color)\n #if defined(dUsePalette)\n vec4 material = vec4(texture2D(tPalette, vec2(vPaletteV, 0.5)).rgb, uAlpha);\n #elif defined(dColorType_uniform)\n vec4 material = vec4(uColor, uAlpha);\n #elif defined(dColorType_varying)\n vec4 material = vec4(vColor.rgb, uAlpha);\n #endif\n\n // mix material with overpaint\n #if defined(dOverpaint)\n material.rgb = mix(material.rgb, vOverpaint.rgb, vOverpaint.a);\n #endif\n#elif defined(dRenderVariant_pick)\n vec4 material = vColor;\n#elif defined(dRenderVariant_depth)\n #ifdef enabledFragDepth\n vec4 material = packDepthToRGBA(gl_FragDepthEXT);\n #else\n vec4 material = packDepthToRGBA(gl_FragCoord.z);\n #endif\n#elif defined(dRenderVariant_markingDepth)\n if (marker > 0.0)\n discard;\n #ifdef enabledFragDepth\n vec4 material = packDepthToRGBA(gl_FragDepthEXT);\n #else\n vec4 material = packDepthToRGBA(gl_FragCoord.z);\n #endif\n#elif defined(dRenderVariant_markingMask)\n if (marker == 0.0)\n discard;\n float depthTest = 1.0;\n if (uMarkingDepthTest) {\n depthTest = (fragmentDepth >= getDepth(gl_FragCoord.xy / uDrawingBufferSize)) ? 1.0 : 0.0;\n }\n bool isHighlight = intMod(marker, 2.0) > 0.1;\n float viewZ = depthToViewZ(uIsOrtho, fragmentDepth, uNear, uFar);\n float fogFactor = smoothstep(uFogNear, uFogFar, abs(viewZ));\n if (fogFactor == 1.0)\n discard;\n vec4 material = vec4(0.0, depthTest, isHighlight ? 1.0 : 0.0, 1.0 - fogFactor);\n#endif\n\n// apply screendoor transparency\n#if defined(dTransparency)\n float ta = 1.0 - vTransparency;\n\n #if defined(dRenderVariant_pick)\n if (ta < uPickingAlphaThreshold)\n discard; // ignore so the element below can be picked\n #else\n #if defined(dRenderVariant_colorBlended)\n float at = 0.0;\n\n // shift by view-offset during multi-sample rendering to allow for blending\n vec2 coord = gl_FragCoord.xy + uViewOffset * 0.25;\n\n const mat4 thresholdMatrix = mat4(\n 1.0 / 17.0, 9.0 / 17.0, 3.0 / 17.0, 11.0 / 17.0,\n 13.0 / 17.0, 5.0 / 17.0, 15.0 / 17.0, 7.0 / 17.0,\n 4.0 / 17.0, 12.0 / 17.0, 2.0 / 17.0, 10.0 / 17.0,\n 16.0 / 17.0, 8.0 / 17.0, 14.0 / 17.0, 6.0 / 17.0\n );\n int ci = int(intMod(coord.x, 4.0));\n int ri = int(intMod(coord.y, 4.0));\n #if __VERSION__ == 100\n vec4 i = vec4(float(ci * 4 + ri));\n vec4 v = thresholdMatrix[0] * vec4(equal(i, vec4(0.0, 1.0, 2.0, 3.0))) +\n thresholdMatrix[1] * vec4(equal(i, vec4(4.0, 5.0, 6.0, 7.0))) +\n thresholdMatrix[2] * vec4(equal(i, vec4(8.0, 9.0, 10.0, 11.0))) +\n thresholdMatrix[3] * vec4(equal(i, vec4(12.0, 13.0, 14.0, 15.0)));\n at = v.x + v.y + v.z + v.w;\n #else\n at = thresholdMatrix[ci][ri];\n #endif\n\n if (ta < 0.99 && (ta < 0.01 || ta < at)) {\n discard;\n }\n #elif defined(dRenderVariant_colorWboit)\n material.a *= ta;\n #endif\n #endif\n#endif\n";