Rasterize indices only so that the alpha composition can be done in python with more flexibility. #197

	name: Core Tests.

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	with:
	submodules: 'recursive'

	- name: Set up Python 3.8.12
	uses: actions/setup-python@v4
	with:
	python-version: "3.8.12"
	- name: Install dependencies
	run: \|
	pip install black[jupyter]==22.3.0 pytest
	pip install torch==2.0.0 --index-url https://download.pytorch.org/whl/cpu
	BUILD_NO_CUDA=1 pip install .
	- name: Run Black Format Check
	run: black . gsplat/ tests/ examples/ --check
	- name: Run Tests.
	run: pytest tests/

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