rex shader: fix a uv clamping calculation in getPoint #316


	name: Build Docker Image

	on:
	push:
	paths-ignore:
	- 'docs/**'
	pull_request:
	branches:
	- master
	paths-ignore:
	- 'docs/**'
	# Allow manual running of this workflow.
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ubuntu-latest

	env:
	# If we are in a tag use the tag name otherwise use latest
	# If the ref_name is master then use "latest"
	CONTAINER_TAG: ${{ github.ref_name == 'master' && 'latest' \|\| github.ref_name }}
	SHOULD_PUSH: ${{ github.ref == 'refs/heads/master' \|\| startsWith(github.ref, 'refs/tags/') }}

	steps:
	- name: Echo ref
	run: \|
	echo "Tag name from GITHUB_REF_NAME: $GITHUB_REF_NAME"
	echo "Tag name from github.ref_name: ${{ github.ref_name }}"
	echo "Container tag: ${{ env.CONTAINER_TAG }}"
	echo "Should push: ${{ env.SHOULD_PUSH }}"

	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: recursive

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Log in to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Build and push osgearth image
	uses: docker/build-push-action@v6
	if: ${{ env.SHOULD_PUSH == 'true'}}
	with:
	context: .
	push: true
	cache-from: \|
	pelicanmapping/osgearth:latest
	type=gha
	cache-to: type=gha,mode=max
	tags: \|
	pelicanmapping/osgearth:${{ env.CONTAINER_TAG }}

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