Texture improvements: generateMipmaps(), add levels to createTexture, tests to check auto mip level selection
This commit is contained in:
Nick Fisher
@@ -32,150 +32,160 @@ void main() async {
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}, bg: kRed);
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});
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test('create 2D texture and set image from raw buffer', () async {
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await testHelper.withViewer((viewer) async {
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var imageData = File(
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"${testHelper.testDir}/assets/cube_texture_512x512.png",
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).readAsBytesSync();
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final image = await FilamentApp.instance!.decodeImage(imageData);
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expect(await image.getChannels(), 4);
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expect(await image.getWidth(), 512);
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expect(await image.getHeight(), 512);
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test('generate mipmaps', () async {
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await testHelper.withViewer((viewer) async {
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var imageData = File(
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"${testHelper.testDir}/assets/cube_texture_512x512.png",
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).readAsBytesSync();
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final texture = await LinearImage.decodeToTexture(imageData, levels: 4);
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expect(await texture.getLevels(), 4);
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await texture.generateMipmaps();
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await texture.dispose();
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}, bg: kRed);
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});
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final texture = await FilamentApp.instance!.createTexture(
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await image.getWidth(),
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await image.getHeight(),
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textureFormat: TextureFormat.RGBA32F,
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);
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var data = await image.getData();
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test('create 2D texture and set image from raw buffer', () async {
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await testHelper.withViewer((viewer) async {
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var imageData = File(
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"${testHelper.testDir}/assets/cube_texture_512x512.png",
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).readAsBytesSync();
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final image = await FilamentApp.instance!.decodeImage(imageData);
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expect(await image.getChannels(), 4);
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expect(await image.getWidth(), 512);
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expect(await image.getHeight(), 512);
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await texture.setImage(
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final texture = await FilamentApp.instance!.createTexture(
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await image.getWidth(),
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await image.getHeight(),
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textureFormat: TextureFormat.RGBA32F,
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);
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var data = await image.getData();
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await texture.setImage(
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0,
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data.buffer.asUint8List(data.offsetInBytes),
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512,
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512,
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4,
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PixelDataFormat.RGBA,
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PixelDataType.FLOAT,
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);
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await texture.dispose();
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}, bg: kRed);
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});
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test('create 3D texture and set image from buffers', () async {
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await testHelper.withViewer((viewer) async {
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final width = 128;
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final height = 128;
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final channels = 4;
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final depth = 5;
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final texture = await FilamentApp.instance!.createTexture(
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width,
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height,
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depth: depth,
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textureSamplerType: TextureSamplerType.SAMPLER_3D,
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textureFormat: TextureFormat.RGBA32F,
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);
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for (int i = 0; i < depth; i++) {
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final buffer = Uint8List(width * height * channels * sizeOf<Float>());
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await texture.setImage3D(
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0,
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data.buffer.asUint8List(data.offsetInBytes),
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512,
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512,
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4,
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0,
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0,
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i,
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width,
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height,
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channels,
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1,
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buffer,
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PixelDataFormat.RGBA,
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PixelDataType.FLOAT,
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);
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await texture.dispose();
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}, bg: kRed);
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});
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test('create 3D texture and set image from buffers', () async {
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await testHelper.withViewer((viewer) async {
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final width = 128;
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final height = 128;
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final channels = 4;
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final depth = 5;
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final texture = await FilamentApp.instance!.createTexture(
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width,
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height,
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depth: depth,
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textureSamplerType: TextureSamplerType.SAMPLER_3D,
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textureFormat: TextureFormat.RGBA32F,
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);
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for (int i = 0; i < depth; i++) {
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final buffer = Uint8List(width * height * channels * sizeOf<Float>());
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await texture.setImage3D(
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0,
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0,
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0,
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i,
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width,
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height,
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channels,
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1,
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buffer,
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PixelDataFormat.RGBA,
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PixelDataType.FLOAT,
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);
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}
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await texture.dispose();
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}, bg: kRed);
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});
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test('apply 3D texture material ', () async {
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await testHelper.withViewer((viewer) async {
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final material = await FilamentApp.instance!.createMaterial(
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File(
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"/Users/nickfisher/Documents/thermion/materials/texture_array.filamat",
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).readAsBytesSync(),
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);
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final materialInstance = await material.createInstance();
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final sampler = await FilamentApp.instance!.createTextureSampler();
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final cube = await viewer.createGeometry(
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GeometryHelper.cube(),
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materialInstances: [materialInstance],
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);
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final width = 1;
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final height = 1;
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final channels = 4;
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final numTextures = 2;
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final texture = await FilamentApp.instance!.createTexture(
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width,
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height,
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depth: numTextures,
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textureSamplerType: TextureSamplerType.SAMPLER_3D,
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textureFormat: TextureFormat.RGBA32F,
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);
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for (int i = 0; i < numTextures; i++) {
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var pixelBuffer = Float32List.fromList([
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i == 0 ? 1.0 : 0.0,
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i == 1 ? 1.0 : 0.0,
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0.0,
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1.0,
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]);
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var byteBuffer = pixelBuffer.buffer.asUint8List(
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pixelBuffer.offsetInBytes,
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);
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await texture.setImage3D(
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0,
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0,
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0,
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i,
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width,
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height,
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channels,
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1,
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byteBuffer,
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PixelDataFormat.RGBA,
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PixelDataType.FLOAT,
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);
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}
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await materialInstance.setParameterTexture(
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"textures",
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texture,
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sampler,
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);
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await materialInstance.setParameterInt("activeTexture", 0);
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await testHelper.capture(viewer.view, "3d_texture_0");
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await materialInstance.setParameterInt("activeTexture", 1);
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await testHelper.capture(viewer.view, "3d_texture_1");
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await viewer.destroyAsset(cube);
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await materialInstance.destroy();
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await material.destroy();
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await texture.dispose();
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});
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});
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}
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await texture.dispose();
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}, bg: kRed);
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});
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group("sampler", () {
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test('create sampler', () async {
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await testHelper.withViewer((viewer) async {
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final sampler = FilamentApp.instance!.createTextureSampler();
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}, bg: kRed);
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test('apply 3D texture material ', () async {
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await testHelper.withViewer((viewer) async {
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final material = await FilamentApp.instance!.createMaterial(
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File(
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"/Users/nickfisher/Documents/thermion/materials/texture_array.filamat",
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).readAsBytesSync(),
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);
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final materialInstance = await material.createInstance();
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final sampler = await FilamentApp.instance!.createTextureSampler();
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final cube = await viewer.createGeometry(
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GeometryHelper.cube(),
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materialInstances: [materialInstance],
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);
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final width = 1;
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final height = 1;
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final channels = 4;
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final numTextures = 2;
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final texture = await FilamentApp.instance!.createTexture(
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width,
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height,
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depth: numTextures,
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textureSamplerType: TextureSamplerType.SAMPLER_3D,
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textureFormat: TextureFormat.RGBA32F,
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);
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for (int i = 0; i < numTextures; i++) {
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var pixelBuffer = Float32List.fromList([
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i == 0 ? 1.0 : 0.0,
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i == 1 ? 1.0 : 0.0,
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0.0,
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1.0,
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]);
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var byteBuffer = pixelBuffer.buffer.asUint8List(
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pixelBuffer.offsetInBytes,
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);
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await texture.setImage3D(
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0,
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0,
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0,
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i,
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width,
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height,
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channels,
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1,
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byteBuffer,
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PixelDataFormat.RGBA,
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PixelDataType.FLOAT,
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);
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}
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await materialInstance.setParameterTexture(
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"textures",
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texture,
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sampler,
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);
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await materialInstance.setParameterInt("activeTexture", 0);
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await testHelper.capture(viewer.view, "3d_texture_0");
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await materialInstance.setParameterInt("activeTexture", 1);
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await testHelper.capture(viewer.view, "3d_texture_1");
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await viewer.destroyAsset(cube);
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await materialInstance.destroy();
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await material.destroy();
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await texture.dispose();
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});
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});
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});
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group("sampler", () {
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test('create sampler', () async {
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await testHelper.withViewer((viewer) async {
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final sampler = FilamentApp.instance!.createTextureSampler();
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}, bg: kRed);
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});
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});
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}
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