cesiumDemo/Source/Shaders/PointPrimitiveCollectionVS.js

//This file is automatically rebuilt by the Cesium build process.
export default "uniform float u_maxTotalPointSize;\n\
attribute vec4 positionHighAndSize;\n\
attribute vec4 positionLowAndOutline;\n\
attribute vec4 compressedAttribute0;\n\
attribute vec4 compressedAttribute1;\n\
attribute vec4 scaleByDistance;\n\
attribute vec3 distanceDisplayConditionAndDisableDepth;\n\
varying vec4 v_color;\n\
varying vec4 v_outlineColor;\n\
varying float v_innerPercent;\n\
varying float v_pixelDistance;\n\
varying vec4 v_pickColor;\n\
const float SHIFT_LEFT8 = 256.0;\n\
const float SHIFT_RIGHT8 = 1.0 / 256.0;\n\
void main()\n\
{\n\
vec3 positionHigh = positionHighAndSize.xyz;\n\
vec3 positionLow = positionLowAndOutline.xyz;\n\
float outlineWidthBothSides = 2.0 * positionLowAndOutline.w;\n\
float totalSize = positionHighAndSize.w + outlineWidthBothSides;\n\
float outlinePercent = outlineWidthBothSides / totalSize;\n\
totalSize *= czm_pixelRatio;\n\
totalSize += 3.0;\n\
float temp = compressedAttribute1.x * SHIFT_RIGHT8;\n\
float show = floor(temp);\n\
#ifdef EYE_DISTANCE_TRANSLUCENCY\n\
vec4 translucencyByDistance;\n\
translucencyByDistance.x = compressedAttribute1.z;\n\
translucencyByDistance.z = compressedAttribute1.w;\n\
translucencyByDistance.y = ((temp - floor(temp)) * SHIFT_LEFT8) / 255.0;\n\
temp = compressedAttribute1.y * SHIFT_RIGHT8;\n\
translucencyByDistance.w = ((temp - floor(temp)) * SHIFT_LEFT8) / 255.0;\n\
#endif\n\
vec4 color;\n\
vec4 outlineColor;\n\
vec4 pickColor;\n\
temp = compressedAttribute0.z * SHIFT_RIGHT8;\n\
pickColor.b = (temp - floor(temp)) * SHIFT_LEFT8;\n\
temp = floor(temp) * SHIFT_RIGHT8;\n\
pickColor.g = (temp - floor(temp)) * SHIFT_LEFT8;\n\
pickColor.r = floor(temp);\n\
temp = compressedAttribute0.x * SHIFT_RIGHT8;\n\
color.b = (temp - floor(temp)) * SHIFT_LEFT8;\n\
temp = floor(temp) * SHIFT_RIGHT8;\n\
color.g = (temp - floor(temp)) * SHIFT_LEFT8;\n\
color.r = floor(temp);\n\
temp = compressedAttribute0.y * SHIFT_RIGHT8;\n\
outlineColor.b = (temp - floor(temp)) * SHIFT_LEFT8;\n\
temp = floor(temp) * SHIFT_RIGHT8;\n\
outlineColor.g = (temp - floor(temp)) * SHIFT_LEFT8;\n\
outlineColor.r = floor(temp);\n\
temp = compressedAttribute0.w * SHIFT_RIGHT8;\n\
pickColor.a = (temp - floor(temp)) * SHIFT_LEFT8;\n\
pickColor = pickColor / 255.0;\n\
temp = floor(temp) * SHIFT_RIGHT8;\n\
outlineColor.a = (temp - floor(temp)) * SHIFT_LEFT8;\n\
outlineColor /= 255.0;\n\
color.a = floor(temp);\n\
color /= 255.0;\n\
vec4 p = czm_translateRelativeToEye(positionHigh, positionLow);\n\
vec4 positionEC = czm_modelViewRelativeToEye * p;\n\
#if defined(EYE_DISTANCE_SCALING) || defined(EYE_DISTANCE_TRANSLUCENCY) || defined(DISTANCE_DISPLAY_CONDITION) || defined(DISABLE_DEPTH_DISTANCE)\n\
float lengthSq;\n\
if (czm_sceneMode == czm_sceneMode2D)\n\
{\n\
lengthSq = czm_eyeHeight2D.y;\n\
}\n\
else\n\
{\n\
lengthSq = dot(positionEC.xyz, positionEC.xyz);\n\
}\n\
#endif\n\
#ifdef EYE_DISTANCE_SCALING\n\
totalSize *= czm_nearFarScalar(scaleByDistance, lengthSq);\n\
#endif\n\
totalSize = min(totalSize, u_maxTotalPointSize);\n\
if (totalSize < 1.0)\n\
{\n\
positionEC.xyz = vec3(0.0);\n\
totalSize = 1.0;\n\
}\n\
float translucency = 1.0;\n\
#ifdef EYE_DISTANCE_TRANSLUCENCY\n\
translucency = czm_nearFarScalar(translucencyByDistance, lengthSq);\n\
if (translucency < 0.004)\n\
{\n\
positionEC.xyz = vec3(0.0);\n\
}\n\
#endif\n\
#ifdef DISTANCE_DISPLAY_CONDITION\n\
float nearSq = distanceDisplayConditionAndDisableDepth.x;\n\
float farSq = distanceDisplayConditionAndDisableDepth.y;\n\
if (lengthSq < nearSq || lengthSq > farSq) {\n\
positionEC.xyz = vec3(0.0);\n\
}\n\
#endif\n\
gl_Position = czm_projection * positionEC;\n\
czm_vertexLogDepth();\n\
#ifdef DISABLE_DEPTH_DISTANCE\n\
float disableDepthTestDistance = distanceDisplayConditionAndDisableDepth.z;\n\
if (disableDepthTestDistance == 0.0 && czm_minimumDisableDepthTestDistance != 0.0)\n\
{\n\
disableDepthTestDistance = czm_minimumDisableDepthTestDistance;\n\
}\n\
if (disableDepthTestDistance != 0.0)\n\
{\n\
float zclip = gl_Position.z / gl_Position.w;\n\
bool clipped = (zclip < -1.0 || zclip > 1.0);\n\
if (!clipped && (disableDepthTestDistance < 0.0 || (lengthSq > 0.0 && lengthSq < disableDepthTestDistance)))\n\
{\n\
gl_Position.z = -gl_Position.w;\n\
#ifdef LOG_DEPTH\n\
czm_vertexLogDepth(vec4(czm_currentFrustum.x));\n\
#endif\n\
}\n\
}\n\
#endif\n\
v_color = color;\n\
v_color.a *= translucency * show;\n\
v_outlineColor = outlineColor;\n\
v_outlineColor.a *= translucency * show;\n\
v_innerPercent = 1.0 - outlinePercent;\n\
v_pixelDistance = 2.0 / totalSize;\n\
gl_PointSize = totalSize * show;\n\
gl_Position *= show;\n\
v_pickColor = pickColor;\n\
}\n\
";