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TextureProjection now makes a separate render pass for each View.

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This is needed because changing material properties between beginFrame/endFrame is unsupported
This commit is contained in:
Nick Fisher
2025-05-22 15:03:06 +08:00
parent 1008452198
commit 3007dec127
2 changed files with 118 additions and 80 deletions
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13
thermion_dart/test/projection_tests.dart
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@@ -2,7 +2,6 @@
import 'dart:async';
import 'dart:io';
import 'dart:math';
import 'dart:typed_data';
import 'package:test/test.dart';
import 'package:thermion_dart/src/utils/src/texture_projection.dart';
import 'package:thermion_dart/thermion_dart.dart';
@@ -43,7 +42,7 @@ void main() async {
await camera.setLensProjection(near: 0.75, far: 100);
final vp = await viewer.view.getViewport();
final (width, height) = (vp.width, vp.height);
final dist = 5.0;
final dist = 2.5;
await camera.lookAt(
Vector3(
-0.5,
@@ -60,8 +59,7 @@ void main() async {
await ubershader.setParameterTexture(
"baseColorMap", originalTexture, sampler);
var textureProjection =
await TextureProjection.create(viewer.view, testHelper.swapChain);
var textureProjection = await TextureProjection.create(viewer.view);
await FilamentApp.instance!.setClearOptions(0, 0, 0, 1,
clearStencil: 0, discard: false, clear: true);
@@ -86,11 +84,12 @@ void main() async {
),
);
await textureProjection.project(cube);
final depth = textureProjection.getDepthWritePixelBuffer();
final result = await textureProjection.project(
await (await viewer.view.getRenderTarget())!.getColorTexture(), cube);
final depth = result.depth;
await savePixelBufferToBmp(
depth, width, height, "${testHelper.outDir.path}/depth_$i.bmp");
final projected = textureProjection.getProjectedPixelBuffer();
final projected = result.projected;
await savePixelBufferToBmp(projected, width, height,
"${testHelper.outDir.path}/projected_$i.bmp");
await cube.setMaterialInstanceAt(ubershader);