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update projection tests to use aspect-ratio other than 1

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This commit is contained in:
Nick Fisher
2025-05-29 22:28:50 +08:00
parent 7e810b8265
commit 27d6bd0f4a
1 changed files with 15 additions and 7 deletions
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22
thermion_dart/test/projection_tests.dart
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@@ -9,7 +9,7 @@ import 'helpers.dart';
Future<Texture> createTextureFromImage(TestHelper testHelper) async { Future<Texture> createTextureFromImage(TestHelper testHelper) async {
final image = await FilamentApp.instance!.decodeImage( final image = await FilamentApp.instance!.decodeImage(
File("${testHelper.testDir}/assets/cube_texture2_512x512.png") File("${testHelper.testDir}/assets/cube_texture_512x512.png")
.readAsBytesSync()); .readAsBytesSync());
final texture = await FilamentApp.instance! final texture = await FilamentApp.instance!
.createTexture(await image.getWidth(), await image.getHeight()); .createTexture(await image.getWidth(), await image.getHeight());
@@ -39,8 +39,10 @@ void main() async {
await testHelper.withViewer((viewer) async { await testHelper.withViewer((viewer) async {
final camera = await viewer.getActiveCamera(); final camera = await viewer.getActiveCamera();
await viewer.view.setFrustumCullingEnabled(false); await viewer.view.setFrustumCullingEnabled(false);
await camera.setLensProjection(near: 0.75, far: 100);
final vp = await viewer.view.getViewport(); final vp = await viewer.view.getViewport();
await camera.setLensProjection(
near: 0.75, far: 100, aspect: vp.width / vp.height);
final (width, height) = (vp.width, vp.height); final (width, height) = (vp.width, vp.height);
final dist = 2.5; final dist = 2.5;
await camera.lookAt( await camera.lookAt(
@@ -85,7 +87,11 @@ void main() async {
); );
final result = await textureProjection.project( final result = await textureProjection.project(
await (await viewer.view.getRenderTarget())!.getColorTexture(), cube); await (await viewer.view.getRenderTarget())!.getColorTexture(),
cube);
final color = result.sourceView!;
await savePixelBufferToBmp(
color, width, height, "${testHelper.outDir.path}/color_$i.bmp");
final depth = result.depth; final depth = result.depth;
await savePixelBufferToBmp( await savePixelBufferToBmp(
depth, width, height, "${testHelper.outDir.path}/depth_$i.bmp"); depth, width, height, "${testHelper.outDir.path}/depth_$i.bmp");
@@ -117,11 +123,11 @@ void main() async {
"baseColorMap", originalTexture, sampler); "baseColorMap", originalTexture, sampler);
} }
// Improved blending - treating black pixels as transparent // Improved blending - treating black pixels as transparent
final blendedImage = Float32List(width * height * 4); final blendedImage = Float32List(width * height * 4);
final weightSums = List<double>.filled(width * height, 0.0); final weightSums = List<double>.filled(width * height, 0.0);
// For each image // For each image
for (final image in images) { for (final image in images) {
// For each pixel in the image // For each pixel in the image
for (int p = 0; p < width * height; p++) { for (int p = 0; p < width * height; p++) {
@@ -149,7 +155,7 @@ void main() async {
} }
} }
// Normalize by the accumulated weights // Normalize by the accumulated weights
for (int p = 0; p < width * height; p++) { for (int p = 0; p < width * height; p++) {
final baseIdx = p * 4; final baseIdx = p * 4;
final weightSum = weightSums[p]; final weightSum = weightSums[p];
@@ -207,7 +213,9 @@ void main() async {
await testHelper.capture(viewer.view, await testHelper.capture(viewer.view,
"capture_uv_blended_orbit_${frame.toString().padLeft(3, '0')}"); "capture_uv_blended_orbit_${frame.toString().padLeft(3, '0')}");
} }
}, createRenderTarget: true); },
createRenderTarget: true,
viewportDimensions: (height: 512, width: 1024));
}); });
}); });
} }