github: add script and action for getting gltf assets (#9085)

- Script for getting models from glTF-Sample-Assets
- Add support for reading gltf models from a file.

test/renderdiff/generate.sh

@@ -23,6 +23,10 @@ function start_render_() {
             bash ${BUILD_COMMON_DIR}/get-mesa.sh
         fi
 
+        if [ ! -d ${GLTF_DIR} ]; then
+            cat ${RENDERDIFF_TEST_DIR}/tests/gltf_models.txt | xargs bash ${BUILD_COMMON_DIR}/get-gltf-sample-assets.sh
+        fi
+
         # Install python deps
         python3 -m venv ${VENV_DIR}
         source ${VENV_DIR}/bin/activate

test/renderdiff/src/preamble.sh

@@ -22,6 +22,7 @@ GOLDEN_OUTPUT_DIR="$(pwd)/out/renderdiff/goldens"
 RENDERDIFF_TEST_DIR="$(pwd)/test/renderdiff"
 MESA_DIR="$(pwd)/mesa/out/"
 VENV_DIR="$(pwd)/venv"
+GLTF_DIR="$(pwd)/gltf/Models"
 BUILD_COMMON_DIR="$(pwd)/build/common"
 
 os_name=$(uname -s)

test/renderdiff/src/test_config.py

@@ -44,11 +44,22 @@ class RenderingConfig():
 class PresetConfig(RenderingConfig):
   def __init__(self, data, existing_models):
     RenderingConfig.__init__(self, data)
-    models = data.get('models')
-    if models:
+    self.models = []
+
+    def _check(models):
       assert _is_list_of_strings(models)
       assert all(m in existing_models for m in models)
+
+    models = data.get('models')
+    if models:
+      _check(models)
       self.models = models
+    model_list_file = data.get('model_list_file')
+    if model_list_file and os.path.exists(model_list_file):
+      with open(model_list_file, 'r') as f:
+        models = list(filter(lambda a: len(a) > 0, map(lambda a: a.strip(), f.read().split('\n'))))
+        _check(models)
+        self.models += models
 
 class TestConfig(RenderingConfig):
   def __init__(self, data, existing_models, presets):
@@ -105,7 +116,9 @@ class RenderTestConfig():
     assert all(path.isdir(p) for p in model_search_paths)
 
     model_paths = list(
-        chain(*(glob.glob(f'{d}/**/*.glb', recursive=True) for d in model_search_paths)))
+        chain(*(glob.glob(f'{d}/**/*.glb', recursive=True) for d in model_search_paths))) + \
+        list(
+          chain(*(glob.glob(f'{d}/**/*.gltf', recursive=True) for d in model_search_paths)))
     # This flatten the output for glob.glob
     self.models = {path.splitext(path.basename(model))[0]: model for model in model_paths}
 

test/renderdiff/tests/gltf_models.txt

@@ -0,0 +1,20 @@
+AlphaBlendModeTest
+AttenuationTest
+Box
+BoomBoxWithAxes
+BoxInterleaved
+BoxTextured
+BoxTexturedNonPowerOfTwo
+Duck
+IridescenceSuzanne
+Lantern
+MetalRoughSpheres
+NegativeScaleTest
+NormalTangentMirrorTest
+NormalTangentTest
+SpecularTest
+Sponza
+Suzanne
+TextureCoordinateTest
+TextureSettingsTest
+TwoSidedPlane