Ground-to-image homography in the same local frame as the vertex buffer (corner positions relative to vertexOrigin). Mapping: H * (P_x, P_y, 1)^T -> (uw, vw, w); fragment shader divides by w to land in the unit-square image space and then runs texCoordMatrix.

isLine

var isLine: Boolean

lineWidth

var lineWidth: Float

opacity

var opacity: Float

programDrawTextureToTerrain

var programDrawTextureToTerrain: AbstractShaderProgram?

programDrawToTexture

var programDrawToTexture: AbstractShaderProgram?

texCoordAttrib

val texCoordAttrib: DrawQuadState.VertexAttrib