playcanvas/build/playcanvas/src/scene/shader-lib/chunks/gsplat/vert/gsplat.js

PlayCanvas WebGL game engine

var gsplatVS = '\n#include "gsplatCommonVS"\nvarying mediump vec2 gaussianUV;\nvarying mediump vec4 gaussianColor;\n#ifndef DITHER_NONE\n	varying float id;\n#endif\nmediump vec4 discardVec = vec4(0.0, 0.0, 2.0, 1.0);\nvoid main(void) {\n	SplatSource source;\n	if (!initSource(source)) {\n		gl_Position = discardVec;\n		return;\n	}\n	vec3 modelCenter = readCenter(source);\n	SplatCenter center;\n	if (!initCenter(source, modelCenter, center)) {\n		gl_Position = discardVec;\n		return;\n	}\n	SplatCorner corner;\n	if (!initCorner(source, center, corner)) {\n		gl_Position = discardVec;\n		return;\n	}\n	vec4 clr = readColor(source);\n	#if SH_BANDS > 0\n		vec3 dir = normalize(center.view * mat3(center.modelView));\n		clr.xyz += evalSH(source, dir);\n	#endif\n	clipCorner(corner, clr.w);\n	gl_Position = center.proj + vec4(corner.offset, 0, 0);\n	gaussianUV = corner.uv;\n	gaussianColor = vec4(prepareOutputFromGamma(max(clr.xyz, 0.0)), clr.w);\n	#ifndef DITHER_NONE\n		id = float(source.id);\n	#endif\n}\n';

export { gsplatVS as default };