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destroy existing texture if it exists but size does match requested dimensions when createTexture is called

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This commit is contained in:
Nick Fisher
2024-06-19 16:39:10 +08:00
parent 846f45bb63
commit 013730b108
1 changed files with 13 additions and 7 deletions
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20
thermion_flutter/thermion_flutter_ffi/lib/thermion_flutter_ffi.dart
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@@ -109,10 +109,15 @@ class ThermionFlutterFFI extends ThermionFlutterPlatform {
if (_textures.length > 1) {
throw Exception("Multiple textures not yet supported");
} else if (_textures.length == 1 &&
_textures.first.height == height &&
_textures.first.width == width) {
return _textures.first;
} else if (_textures.length == 1) {
if (_textures.first.height == height && _textures.first.width == width) {
return _textures.first;
} else {
await _viewer!.setRendering(false);
await _viewer!.destroySwapChain();
await destroyTexture(_textures.first);
_textures.clear();
}
}
_creatingTexture = true;
@@ -146,7 +151,8 @@ class ThermionFlutterFFI extends ThermionFlutterPlatform {
width.toDouble(), height.toDouble(), texture.hardwareTextureId!);
}
await _viewer?.updateViewportAndCameraProjection(width.toDouble(), height.toDouble());
await _viewer?.updateViewportAndCameraProjection(
width.toDouble(), height.toDouble());
_viewer?.render();
_creatingTexture = false;
@@ -155,13 +161,13 @@ class ThermionFlutterFFI extends ThermionFlutterPlatform {
return texture;
}
///
/// Destroy a texture and clean up the texture cache (if applicable).
///
Future destroyTexture(ThermionFlutterTexture texture) async {
if (_creatingTexture || _destroyingTexture) {
throw Exception("Cannot destroy texture while concurrent call to createTexture/destroyTexture has not completed");
throw Exception(
"Cannot destroy texture while concurrent call to createTexture/destroyTexture has not completed");
}
_destroyingTexture = true;
_textures.remove(texture);