766 lines
30 KiB
Dart
766 lines
30 KiB
Dart
import 'dart:io';
|
|
import 'dart:math';
|
|
import 'dart:typed_data';
|
|
import 'package:thermion_dart/thermion_dart.dart';
|
|
import 'package:test/test.dart';
|
|
import 'package:vector_math/vector_math_64.dart';
|
|
import 'helpers.dart';
|
|
|
|
Future<
|
|
({
|
|
ThermionAsset blueCube,
|
|
MaterialInstance blueMaterialInstance,
|
|
ThermionAsset greenCube,
|
|
MaterialInstance greenMaterialInstance
|
|
})> setup(ThermionViewer viewer) async {
|
|
var blueMaterialInstance = await viewer.createUnlitMaterialInstance();
|
|
final blueCube = await viewer.createGeometry(GeometryHelper.cube(),
|
|
materialInstances: [blueMaterialInstance]);
|
|
await blueMaterialInstance.setParameterFloat4(
|
|
"baseColorFactor", 0.0, 0.0, 1.0, 1.0);
|
|
|
|
// Position blue cube slightly behind and to the right
|
|
await viewer.setTransform(
|
|
blueCube.entity, Matrix4.translation(Vector3(1.0, 0.0, -1.0)));
|
|
|
|
var greenMaterialInstance = await viewer.createUnlitMaterialInstance();
|
|
final greenCube = await viewer.createGeometry(GeometryHelper.cube(),
|
|
materialInstances: [greenMaterialInstance]);
|
|
await greenMaterialInstance.setParameterFloat4(
|
|
"baseColorFactor", 0.0, 1.0, 0.0, 1.0);
|
|
|
|
return (
|
|
blueCube: blueCube,
|
|
blueMaterialInstance: blueMaterialInstance,
|
|
greenCube: greenCube,
|
|
greenMaterialInstance: greenMaterialInstance
|
|
);
|
|
}
|
|
|
|
void main() async {
|
|
final testHelper = TestHelper("material");
|
|
|
|
group("unlit material", () {
|
|
test('unlit + baseColorFactor', () async {
|
|
await testHelper.withViewer((viewer) async {
|
|
await viewer.setPostProcessing(true);
|
|
await viewer.setToneMapping(ToneMapper.LINEAR);
|
|
|
|
var materialInstance = await viewer.createUnlitMaterialInstance();
|
|
var cube = await viewer.createGeometry(
|
|
GeometryHelper.cube(normals: false, uvs: false),
|
|
materialInstances: [materialInstance]);
|
|
|
|
await materialInstance.setParameterFloat4(
|
|
"baseColorFactor", 0.0, 1.0, 0.0, 1.0);
|
|
await materialInstance.setParameterInt("baseColorIndex", -1);
|
|
await testHelper.capture(viewer, "unlit_material_base_color");
|
|
await viewer.destroyMaterialInstance(materialInstance);
|
|
}, bg: kRed);
|
|
});
|
|
|
|
test('unlit + baseColorMap', () async {
|
|
await testHelper.withViewer((viewer) async {
|
|
var materialInstance = await viewer.createUnlitMaterialInstance();
|
|
var cube = await viewer.createGeometry(GeometryHelper.cube(),
|
|
materialInstances: [materialInstance]);
|
|
|
|
await materialInstance.setParameterFloat4(
|
|
"baseColorFactor", 1.0, 1.0, 1.0, 1.0);
|
|
await materialInstance.setParameterFloat2("uvScale", 1.0, 1.0);
|
|
await materialInstance.setParameterInt("baseColorIndex", 0);
|
|
|
|
var data =
|
|
File("${testHelper.testDir}/assets/cube_texture2_512x512.png")
|
|
.readAsBytesSync();
|
|
final image = await viewer.decodeImage(data);
|
|
|
|
final texture = await viewer.createTexture(
|
|
await image.getWidth(), await image.getHeight(),
|
|
textureFormat: TextureFormat.RGBA32F);
|
|
await texture.setLinearImage(
|
|
image, PixelDataFormat.RGBA, PixelDataType.FLOAT);
|
|
final sampler = await viewer.createTextureSampler();
|
|
|
|
await materialInstance.setParameterTexture(
|
|
"baseColorMap", texture, sampler);
|
|
|
|
await testHelper.capture(viewer, "unlit_baseColorMap");
|
|
|
|
await image.destroy();
|
|
await texture.dispose();
|
|
await sampler.dispose();
|
|
|
|
await viewer.destroyMaterialInstance(materialInstance);
|
|
});
|
|
});
|
|
|
|
test('unlit + baseColorMap (apply material after creation)', () async {
|
|
await testHelper.withViewer((viewer) async {
|
|
var cube = await viewer
|
|
.createGeometry(GeometryHelper.cube(), materialInstances: []);
|
|
var materialInstance = await viewer.createUnlitMaterialInstance();
|
|
await materialInstance.setParameterFloat4(
|
|
"baseColorFactor", 1.0, 1.0, 1.0, 1.0);
|
|
await materialInstance.setParameterFloat2("uvScale", 1.0, 1.0);
|
|
await materialInstance.setParameterInt("baseColorIndex", 0);
|
|
|
|
var data =
|
|
File("${testHelper.testDir}/assets/cube_texture2_512x512.png")
|
|
.readAsBytesSync();
|
|
final image = await viewer.decodeImage(data);
|
|
|
|
final texture = await viewer.createTexture(
|
|
await image.getWidth(), await image.getHeight(),
|
|
textureFormat: TextureFormat.RGBA32F);
|
|
await texture.setLinearImage(
|
|
image, PixelDataFormat.RGBA, PixelDataType.FLOAT);
|
|
final sampler = await viewer.createTextureSampler();
|
|
|
|
await materialInstance.setParameterTexture(
|
|
"baseColorMap", texture, sampler);
|
|
await cube.setMaterialInstanceAt(materialInstance);
|
|
await testHelper.capture(
|
|
viewer, "unlit_baseColorMap_material_created_after");
|
|
|
|
await image.destroy();
|
|
await texture.dispose();
|
|
await sampler.dispose();
|
|
|
|
await viewer.destroyMaterialInstance(materialInstance);
|
|
});
|
|
});
|
|
|
|
test('unlit + baseColorMap (fetch material after creation)', () async {
|
|
await testHelper.withViewer((viewer) async {
|
|
var materialInstance = await viewer.createUnlitMaterialInstance();
|
|
var cube = await viewer.createGeometry(GeometryHelper.cube(),
|
|
materialInstances: [materialInstance]);
|
|
|
|
materialInstance = await viewer.getMaterialInstanceAt(cube.entity, 0);
|
|
|
|
await materialInstance.setParameterFloat4(
|
|
"baseColorFactor", 1.0, 1.0, 1.0, 1.0);
|
|
await materialInstance.setParameterInt("baseColorIndex", 0);
|
|
|
|
var data =
|
|
File("${testHelper.testDir}/assets/cube_texture2_512x512.png")
|
|
.readAsBytesSync();
|
|
final image = await viewer.decodeImage(data);
|
|
|
|
final texture = await viewer.createTexture(
|
|
await image.getWidth(), await image.getHeight(),
|
|
textureFormat: TextureFormat.RGBA32F);
|
|
await texture.setLinearImage(
|
|
image, PixelDataFormat.RGBA, PixelDataType.FLOAT);
|
|
final sampler = await viewer.createTextureSampler();
|
|
|
|
await materialInstance.setParameterTexture(
|
|
"baseColorMap", texture, sampler);
|
|
await cube.setMaterialInstanceAt(materialInstance);
|
|
await testHelper.capture(
|
|
viewer, "unlit_baseColorMap_fetch_material");
|
|
|
|
await image.destroy();
|
|
await texture.dispose();
|
|
await sampler.dispose();
|
|
|
|
await viewer.destroyMaterialInstance(materialInstance);
|
|
});
|
|
});
|
|
|
|
test('unlit material with color + alpha', () async {
|
|
await testHelper.withViewer((viewer) async {
|
|
await viewer.setPostProcessing(true);
|
|
await viewer.setToneMapping(ToneMapper.LINEAR);
|
|
|
|
var materialInstance = await viewer.createUnlitMaterialInstance();
|
|
var cube = await viewer.createGeometry(
|
|
GeometryHelper.cube(normals: false, uvs: false),
|
|
materialInstances: [materialInstance]);
|
|
|
|
await materialInstance.setParameterFloat4(
|
|
"baseColorFactor", 0.0, 1.0, 0.0, 0.1);
|
|
await materialInstance.setParameterInt("baseColorIndex", -1);
|
|
await testHelper.capture(viewer, "unlit_material_base_color_alpha");
|
|
await viewer.destroyMaterialInstance(materialInstance);
|
|
}, bg: kRed);
|
|
});
|
|
|
|
test('unlit fixed size material', () async {
|
|
var viewer = await testHelper.createViewer();
|
|
await viewer.setCameraPosition(0, 0, 6);
|
|
await viewer.setBackgroundColor(1.0, 0.0, 0.0, 1.0);
|
|
await viewer.setPostProcessing(true);
|
|
await viewer.setToneMapping(ToneMapper.LINEAR);
|
|
|
|
var materialInstance =
|
|
await viewer.createUnlitFixedSizeMaterialInstance();
|
|
var cube = await viewer.createGeometry(GeometryHelper.cube(),
|
|
materialInstances: [materialInstance]);
|
|
|
|
await materialInstance.setParameterFloat4(
|
|
"baseColorFactor", 0.0, 1.0, 0.0, 1.0);
|
|
|
|
await testHelper.capture(viewer, "unlit_fixed_size_default_scale");
|
|
|
|
await materialInstance.setParameterFloat("scale", 10.0);
|
|
|
|
await testHelper.capture(viewer, "unlit_fixed_size_scale_10");
|
|
|
|
await viewer.dispose();
|
|
});
|
|
});
|
|
|
|
group("ubershader material tests", () {
|
|
test('ubershader material with color only', () async {
|
|
await testHelper.withViewer((viewer) async {
|
|
var materialInstance = await viewer.createUbershaderMaterialInstance();
|
|
await viewer
|
|
.loadIbl("file://${testHelper.testDir}/assets/default_env_ibl.ktx");
|
|
var cube = await viewer.createGeometry(
|
|
GeometryHelper.cube(normals: true, uvs: true),
|
|
materialInstances: [materialInstance]);
|
|
|
|
await materialInstance.setParameterFloat4(
|
|
"baseColorFactor", 0.0, 1.0, 0.0, 1.0);
|
|
await materialInstance.setParameterInt("baseColorIndex", -1);
|
|
await testHelper.capture(viewer, "ubershader_material_base_color");
|
|
await viewer.destroyMaterialInstance(materialInstance);
|
|
}, bg: kRed, postProcessing: true);
|
|
});
|
|
|
|
test('ubershader + baseColorMap texture', () async {
|
|
await testHelper.withViewer((viewer) async {
|
|
var materialInstance = await viewer.createUbershaderMaterialInstance(unlit: true);
|
|
final cube = await viewer.createGeometry(
|
|
GeometryHelper.cube(),
|
|
materialInstances: [materialInstance]);
|
|
var data = File("${testHelper.testDir}/assets/cube_texture2_512x512_flipped.png")
|
|
.readAsBytesSync();
|
|
final image = await viewer.decodeImage(data);
|
|
final texture = await viewer.createTexture(
|
|
await image.getWidth(), await image.getHeight(),
|
|
textureFormat: TextureFormat.RGBA32F);
|
|
await texture.setLinearImage(
|
|
image, PixelDataFormat.RGBA, PixelDataType.FLOAT);
|
|
final sampler = await viewer.createTextureSampler();
|
|
await materialInstance.setParameterFloat4(
|
|
"baseColorFactor", 1.0, 1.0, 1.0, 0.0);
|
|
await materialInstance.setParameterInt("baseColorIndex", 0);
|
|
await materialInstance.setParameterTexture(
|
|
"baseColorMap", texture, sampler);
|
|
|
|
await testHelper.capture(
|
|
viewer, "geometry_cube_with_custom_material_ubershader_texture");
|
|
await viewer.destroyAsset(cube);
|
|
await viewer.destroyMaterialInstance(materialInstance);
|
|
await texture.dispose();
|
|
});
|
|
});
|
|
|
|
test('create cube with custom material instance (unlit)', () async {
|
|
var viewer = await testHelper.createViewer();
|
|
await viewer.setCameraPosition(0, 2, 6);
|
|
await viewer
|
|
.setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -pi / 8));
|
|
await viewer.setBackgroundColor(1.0, 0.0, 0.0, 1.0);
|
|
await viewer.setPostProcessing(true);
|
|
await viewer.setToneMapping(ToneMapper.LINEAR);
|
|
|
|
var materialInstance = await viewer.createUnlitMaterialInstance();
|
|
var cube = await viewer.createGeometry(GeometryHelper.cube(),
|
|
materialInstances: [materialInstance]);
|
|
|
|
var textureData =
|
|
File("${testHelper.testDir}/assets/cube_texture_512x512.png")
|
|
.readAsBytesSync();
|
|
throw UnimplementedError();
|
|
// var texture = await viewer.createTexture(textureData);
|
|
// await viewer.applyTexture(texture, cube.entity);
|
|
// await testHelper.capture(
|
|
// viewer, "geometry_cube_with_custom_material_unlit_texture_only");
|
|
// await viewer.destroyAsset(cube);
|
|
|
|
// cube = await viewer.createGeometry(GeometryHelper.cube(),
|
|
// materialInstances: [materialInstance]);
|
|
// // reusing same material instance, so set baseColorIndex to -1 to disable the texture
|
|
// await materialInstance.setParameterInt("baseColorIndex", -1);
|
|
// await materialInstance.setParameterFloat4(
|
|
// "baseColorFactor", 0.0, 1.0, 0.0, 1.0);
|
|
// await testHelper.capture(
|
|
// viewer, "geometry_cube_with_custom_material_unlit_color_only");
|
|
// await viewer.destroyAsset(cube);
|
|
|
|
// cube = await viewer.createGeometry(GeometryHelper.cube(),
|
|
// materialInstances: [materialInstance]);
|
|
// // now set baseColorIndex to 0 to enable the texture and the base color
|
|
// await materialInstance.setParameterInt("baseColorIndex", 0);
|
|
// await materialInstance.setParameterFloat4(
|
|
// "baseColorFactor", 0.0, 1.0, 0.0, 0.5);
|
|
// await viewer.applyTexture(texture, cube.entity);
|
|
|
|
// await testHelper.capture(
|
|
// viewer, "geometry_cube_with_custom_material_unlit_color_and_texture");
|
|
|
|
// await viewer.destroyAsset(cube);
|
|
|
|
// await viewer.destroyTexture(texture);
|
|
// await viewer.destroyMaterialInstance(materialInstance);
|
|
// await viewer.dispose();
|
|
});
|
|
});
|
|
group('depth & stencil', () {
|
|
test('set depth func to always', () async {
|
|
await testHelper.withViewer((viewer) async {
|
|
final (
|
|
:blueCube,
|
|
:blueMaterialInstance,
|
|
:greenCube,
|
|
:greenMaterialInstance
|
|
) = await setup(viewer);
|
|
|
|
// with default depth func, blue cube renders behind the green cube
|
|
await testHelper.capture(
|
|
viewer, "material_instance_depth_func_default");
|
|
|
|
await greenMaterialInstance.setDepthFunc(SamplerCompareFunction.A);
|
|
|
|
// with green material depth func set to always pass, green cube will render in front of blue cube
|
|
await testHelper.capture(viewer, "material_instance_depth_func_always");
|
|
});
|
|
});
|
|
|
|
test('disable depth write', () async {
|
|
await testHelper.withViewer((viewer) async {
|
|
final (
|
|
:blueCube,
|
|
:blueMaterialInstance,
|
|
:greenCube,
|
|
:greenMaterialInstance
|
|
) = await setup(viewer);
|
|
|
|
// With depth write enabled on both materials, green cube renders behind the blue cube
|
|
await testHelper.capture(
|
|
viewer, "material_instance_depth_write_enabled");
|
|
|
|
// Disable depth write on green cube, blue cube will always appear in front (green cube renders behind everything, including the image material, so not it's not visible at all)
|
|
await greenMaterialInstance.setDepthWriteEnabled(false);
|
|
await testHelper.capture(
|
|
viewer, "material_instance_depth_write_disabled");
|
|
|
|
// Set priority for greenCube to render last, making it appear in front
|
|
await viewer.setPriority(greenCube.entity, 7);
|
|
await testHelper.capture(
|
|
viewer, "material_instance_depth_write_disabled_with_priority");
|
|
});
|
|
});
|
|
|
|
test('enable stencil write', () async {
|
|
await testHelper.withViewer((viewer) async {
|
|
final (
|
|
:blueCube,
|
|
:blueMaterialInstance,
|
|
:greenCube,
|
|
:greenMaterialInstance
|
|
) = await setup(viewer);
|
|
|
|
// force depth to always pass so we're just comparing stencil test
|
|
await greenMaterialInstance.setDepthFunc(SamplerCompareFunction.A);
|
|
await blueMaterialInstance.setDepthFunc(SamplerCompareFunction.A);
|
|
|
|
await testHelper.capture(
|
|
viewer, "material_instance_depth_pass_stencil_disabled");
|
|
|
|
assert(await greenMaterialInstance.isStencilWriteEnabled() == false);
|
|
assert(await blueMaterialInstance.isStencilWriteEnabled() == false);
|
|
|
|
await greenMaterialInstance.setStencilWriteEnabled(true);
|
|
await blueMaterialInstance.setStencilWriteEnabled(true);
|
|
|
|
assert(await greenMaterialInstance.isStencilWriteEnabled() == true);
|
|
assert(await blueMaterialInstance.isStencilWriteEnabled() == true);
|
|
|
|
// just a sanity check, no difference from the last
|
|
await testHelper.capture(
|
|
viewer, "material_instance_depth_pass_stencil_enabled");
|
|
}, postProcessing: true, bg: null);
|
|
});
|
|
|
|
test('stencil always fail', () async {
|
|
await testHelper.withViewer((viewer) async {
|
|
final (
|
|
:blueCube,
|
|
:blueMaterialInstance,
|
|
:greenCube,
|
|
:greenMaterialInstance
|
|
) = await setup(viewer);
|
|
|
|
// force depth to always pass so we're just comparing stencil test
|
|
await greenMaterialInstance.setDepthFunc(SamplerCompareFunction.A);
|
|
await blueMaterialInstance.setDepthFunc(SamplerCompareFunction.A);
|
|
|
|
await greenMaterialInstance.setStencilWriteEnabled(true);
|
|
|
|
assert(await greenMaterialInstance.isStencilWriteEnabled() == true);
|
|
|
|
await greenMaterialInstance
|
|
.setStencilCompareFunction(SamplerCompareFunction.N);
|
|
|
|
// green cube isn't rendered
|
|
await testHelper.capture(
|
|
viewer, "material_instance_stencil_always_fail");
|
|
}, postProcessing: true, bg: null);
|
|
});
|
|
|
|
test('fail stencil not equal', () async {
|
|
await testHelper.withViewer((viewer) async {
|
|
final (
|
|
:blueCube,
|
|
:blueMaterialInstance,
|
|
:greenCube,
|
|
:greenMaterialInstance
|
|
) = await setup(viewer);
|
|
|
|
// this ensures the blue cube is rendered before the green cube
|
|
await viewer.setPriority(blueCube.entity, 0);
|
|
await viewer.setPriority(greenCube.entity, 1);
|
|
|
|
await blueMaterialInstance.setStencilWriteEnabled(true);
|
|
await blueMaterialInstance.setStencilReferenceValue(1);
|
|
await blueMaterialInstance
|
|
.setStencilCompareFunction(SamplerCompareFunction.A);
|
|
await blueMaterialInstance
|
|
.setStencilOpDepthStencilPass(StencilOperation.REPLACE);
|
|
|
|
await greenMaterialInstance.setStencilReferenceValue(1);
|
|
await greenMaterialInstance
|
|
.setStencilCompareFunction(SamplerCompareFunction.E);
|
|
|
|
// green cube is only rendered where it intersects with the blue cube
|
|
await testHelper.capture(viewer, "fail_stencil_ne");
|
|
}, postProcessing: true);
|
|
});
|
|
});
|
|
}
|
|
|
|
Float32List unprojectTexture({
|
|
required Float32List renderTarget,
|
|
required Float32List uvCoordinates,
|
|
required int renderTargetWidth,
|
|
required int renderTargetHeight,
|
|
required int renderTargetChannels,
|
|
required int uvWidth,
|
|
required int uvHeight,
|
|
required int uvChannels,
|
|
required int outputWidth,
|
|
required int outputHeight,
|
|
int uChannel = 0,
|
|
int vChannel = 1,
|
|
}) {
|
|
// Create output texture (initially transparent/zero)
|
|
final outputSize = outputWidth * outputHeight * renderTargetChannels;
|
|
final outputTexture = Float32List(outputSize);
|
|
|
|
// Make sure the input dimensions match
|
|
assert(renderTargetWidth == uvWidth && renderTargetHeight == uvHeight,
|
|
'Render target and UV texture dimensions must match');
|
|
|
|
// For each pixel in the render target
|
|
for (int y = 0; y < renderTargetHeight; y++) {
|
|
for (int x = 0; x < renderTargetWidth; x++) {
|
|
// Calculate index in the source textures
|
|
final srcIndex = (y * renderTargetWidth + x);
|
|
final renderPixelIndex = srcIndex * renderTargetChannels;
|
|
final uvPixelIndex = srcIndex * uvChannels;
|
|
|
|
// Read UV coordinates directly from UV texture
|
|
// Since we're using Float32List, values should already be in 0-1 range
|
|
final u = uvCoordinates[uvPixelIndex + uChannel];
|
|
final v = uvCoordinates[uvPixelIndex + vChannel];
|
|
|
|
// Skip invalid UVs (e.g., background or out of bounds)
|
|
if (u < 0.0 || u > 1.0 || v < 0.0 || v > 1.0) {
|
|
continue;
|
|
}
|
|
|
|
// final u = x / renderTargetWidth;
|
|
// final v = y / renderTargetHeight;
|
|
|
|
// Convert UV to output texture coordinates
|
|
final outX = (u * (outputWidth - 1)).round();
|
|
final outY = (v * (outputHeight - 1)).round();
|
|
|
|
// Calculate the destination index in the output texture
|
|
final outIndex = (outY * outputWidth + outX) * renderTargetChannels;
|
|
|
|
// Copy color data from render target to output at the UV position
|
|
for (int c = 0; c < renderTargetChannels; c++) {
|
|
outputTexture[outIndex + c] = renderTarget[renderPixelIndex + c];
|
|
}
|
|
}
|
|
}
|
|
|
|
return outputTexture;
|
|
}
|
|
|
|
|
|
// // Rotate the camera in 30-degree increments and capture at each position
|
|
// for (int i = 0; i <= 180; i += 30) {
|
|
// final angle = i * (pi / 180); // Convert to radians
|
|
|
|
// // Calculate camera position
|
|
// // Start at (0, 1, 5) (facing the sphere from +z) and rotate around to (-5, 1, 0)
|
|
// final radius = 5.0;
|
|
// final x = -radius * sin(angle);
|
|
// final z = radius * cos(angle);
|
|
|
|
// // Create view matrix for this camera position
|
|
// final matrix = makeViewMatrix(
|
|
// Vector3(x, 1, z),
|
|
// Vector3.zero(), // Looking at origin
|
|
// Vector3(0, 1, 0) // Up vector
|
|
// )
|
|
// ..invert();
|
|
|
|
// await viewer.setCameraModelMatrix4(matrix);
|
|
|
|
// // Take a snapshot at this position
|
|
// await testHelper.capture(viewer, "projection_${i}deg");
|
|
// }
|
|
|
|
// group("MaterialInstance", () {
|
|
|
|
// test('disable depth write', () async {
|
|
// var viewer = await testHelper.createViewer();
|
|
// await viewer.setBackgroundColor(1.0, 0.0, 0.0, 1.0);
|
|
// await viewer.setCameraPosition(0, 0, 6);
|
|
// await viewer.addDirectLight(
|
|
// DirectLight.sun(direction: Vector3(0, 0, -1)..normalize()));
|
|
|
|
// final cube1 = await viewer.createGeometry(GeometryHelper.cube());
|
|
// var materialInstance = await viewer.getMaterialInstanceAt(cube1, 0);
|
|
|
|
// final cube2 = await viewer.createGeometry(GeometryHelper.cube());
|
|
// await viewer.setMaterialPropertyFloat4(
|
|
// cube2, "baseColorFactor", 0, 0, 1, 0, 1);
|
|
// await viewer.setPosition(cube2, 1.0, 0.0, -1.0);
|
|
|
|
// expect(materialInstance, isNotNull);
|
|
|
|
// // with depth write enabled on both materials, cube2 renders behind the white cube
|
|
// await testHelper.capture(viewer, "material_instance_depth_write_enabled");
|
|
|
|
// // if we disable depth write on cube1, then cube2 will always appear in front
|
|
// // (relying on insertion order)
|
|
// materialInstance!.setDepthWriteEnabled(false);
|
|
// await testHelper.capture(
|
|
// viewer, "material_instance_depth_write_disabled");
|
|
|
|
// // set priority for the cube1 cube to 7 (render) last, cube1 renders in front
|
|
// await viewer.setPriority(cube1, 7);
|
|
// await testHelper.capture(
|
|
// viewer, "material_instance_depth_write_disabled_with_priority");
|
|
// await viewer.dispose();
|
|
// });
|
|
|
|
// test('set uv scaling (unlit)', () async {
|
|
// var viewer = await testHelper.createViewer();
|
|
// await viewer.setBackgroundColor(1.0, 0.0, 0.0, 1.0);
|
|
// await viewer.setCameraPosition(0, 0, 6);
|
|
// await viewer.addDirectLight(
|
|
// DirectLight.sun(direction: Vector3(0, 0, -1)..normalize()));
|
|
|
|
// final unlitMaterialInstance = await viewer.createUnlitMaterialInstance();
|
|
// final cube = await viewer.createGeometry(GeometryHelper.cube(),
|
|
// materialInstance: unlitMaterialInstance);
|
|
// await viewer.setMaterialPropertyFloat4(
|
|
// cube, 'baseColorFactor', 0, 1, 1, 1, 1);
|
|
// await viewer.setMaterialPropertyInt(cube, 'baseColorIndex', 0, 1);
|
|
// unlitMaterialInstance.setParameterFloat2("uvScale", 2.0, 4.0);
|
|
|
|
// var textureData =
|
|
// File("${testHelper.testDir}/assets/cube_texture_512x512.png")
|
|
// .readAsBytesSync();
|
|
// var texture = await viewer.createTexture(textureData);
|
|
// await viewer.applyTexture(texture, cube);
|
|
// await testHelper.capture(viewer, "set_uv_scaling");
|
|
// await viewer.dispose();
|
|
// });
|
|
// });
|
|
|
|
// group("texture", () {
|
|
// test("create/apply/dispose texture", () async {
|
|
// var viewer = await testHelper.createViewer();
|
|
|
|
// var textureData =
|
|
// File("${testHelper.testDir}/assets/cube_texture_512x512.png")
|
|
// .readAsBytesSync();
|
|
|
|
// var texture = await viewer.createTexture(textureData);
|
|
// await viewer.setBackgroundColor(0.0, 0.0, 0.0, 1.0);
|
|
// await viewer.addDirectLight(
|
|
// DirectLight.sun(direction: Vector3(0, -10, -1)..normalize()));
|
|
// await viewer.addDirectLight(DirectLight.spot(
|
|
// intensity: 1000000,
|
|
// position: Vector3(0, 0, 1.5),
|
|
// direction: Vector3(0, 0, -1)..normalize(),
|
|
// falloffRadius: 10,
|
|
// spotLightConeInner: 1,
|
|
// spotLightConeOuter: 1));
|
|
// await viewer.setCameraPosition(0, 2, 6);
|
|
// await viewer
|
|
// .setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -pi / 8));
|
|
// var materialInstance =
|
|
// await viewer.createUbershaderMaterialInstance(unlit: true);
|
|
// var cube = await viewer.createGeometry(GeometryHelper.cube(),
|
|
// materialInstances: [materialInstance]);
|
|
|
|
// await viewer.setPostProcessing(true);
|
|
// await viewer.setToneMapping(ToneMapper.LINEAR);
|
|
|
|
// await viewer.applyTexture(texture, cube,
|
|
// materialIndex: 0, parameterName: "baseColorMap");
|
|
|
|
// await testHelper.capture(viewer, "texture_applied_to_geometry");
|
|
|
|
// await viewer.destroyAsset(cube);
|
|
// await viewer.destroyTexture(texture);
|
|
// await viewer.dispose();
|
|
// });
|
|
// });
|
|
|
|
// group("unproject", () {
|
|
// test("unproject", () async {
|
|
// final dimensions = (width: 1280, height: 768);
|
|
|
|
// var viewer = await testHelper.createViewer(viewportDimensions: dimensions);
|
|
// await viewer.setPostProcessing(false);
|
|
// // await viewer.setToneMapping(ToneMapper.LINEAR);
|
|
// await viewer.setBackgroundColor(1.0, 1.0, 1.0, 1.0);
|
|
// // await viewer.createIbl(1.0, 1.0, 1.0, 100000);
|
|
// await viewer.addLight(LightType.SUN, 6500, 100000, -2, 0, 0, 1, -1, 0);
|
|
// await viewer.addLight(LightType.SPOT, 6500, 500000, 0, 0, 2, 0, 0, -1,
|
|
// falloffRadius: 10, spotLightConeInner: 1.0, spotLightConeOuter: 2.0);
|
|
|
|
// await viewer.setCameraPosition(-3, 4, 6);
|
|
// await viewer.setCameraRotation(
|
|
// Quaternion.axisAngle(Vector3(0, 1, 0), -pi / 8) *
|
|
// Quaternion.axisAngle(Vector3(1, 0, 0), -pi / 6));
|
|
// var cube =
|
|
// await viewer.createGeometry(GeometryHelper.cube(), keepData: true);
|
|
// await viewer.setMaterialPropertyFloat4(
|
|
// cube, "baseColorFactor", 0, 1.0, 1.0, 1.0, 1.0);
|
|
// var textureData =
|
|
// File("${testHelper.testDir}/assets/cube_texture_512x512.png").readAsBytesSync();
|
|
// var texture = await viewer.createTexture(textureData);
|
|
// await viewer.applyTexture(texture, cube,
|
|
// materialIndex: 0, parameterName: "baseColorMap");
|
|
|
|
// var numFrames = 60;
|
|
|
|
// // first do the render
|
|
// for (int i = 0; i < numFrames; i++) {
|
|
// await viewer.setCameraPosition(-3 + (i / numFrames * 2), 4, 6);
|
|
|
|
// await viewer.setCameraRotation(
|
|
// Quaternion.axisAngle(Vector3(0, 1, 0), -pi / 8) *
|
|
// Quaternion.axisAngle(
|
|
// Vector3(1, 0, 0), -pi / 6 - (i / numFrames * pi / 6)));
|
|
|
|
// var rendered = await testHelper.capture(viewer, "unproject_render$i");
|
|
// var renderPng =
|
|
// await pixelsToPng(rendered, dimensions.width, dimensions.height);
|
|
|
|
// File("${outDir.path}/unproject_render${i}.png")
|
|
// .writeAsBytesSync(renderPng);
|
|
// }
|
|
|
|
// // then go off and convert the video
|
|
|
|
// // now unproject the render back onto the geometry
|
|
// final textureSize = (width: 1280, height: 768);
|
|
// var pixels = <Uint8List>[];
|
|
// // note we skip the first frame
|
|
// for (int i = 0; i < numFrames; i++) {
|
|
// await viewer.setCameraPosition(-3 + (i / numFrames * 2), 4, 6);
|
|
|
|
// await viewer.setCameraRotation(
|
|
// Quaternion.axisAngle(Vector3(0, 1, 0), -pi / 8) *
|
|
// Quaternion.axisAngle(
|
|
// Vector3(1, 0, 0), -pi / 6 - (i / numFrames * pi / 6)));
|
|
|
|
// var input = pngToPixelBuffer(File(
|
|
// "${outDir.path}/a8c317af-6081-4848-8a06-f6b69bc57664_${i + 1}.png")
|
|
// .readAsBytesSync());
|
|
// var pixelBuffer = await (await viewer as ThermionViewerFFI).unproject(
|
|
// cube,
|
|
// input,
|
|
// dimensions.width,
|
|
// dimensions.height,
|
|
// textureSize.width,
|
|
// textureSize.height);
|
|
|
|
// // var png = await pixelsToPng(Uint8List.fromList(pixelBuffer),
|
|
// // dimensions.width, dimensions.height);
|
|
|
|
// await savePixelBufferToBmp(
|
|
// pixelBuffer,
|
|
// textureSize.width,
|
|
// textureSize.height,
|
|
// p.join(outDir.path, "unprojected_texture${i}.bmp"));
|
|
|
|
// pixels.add(pixelBuffer);
|
|
|
|
// if (i > 10) {
|
|
// break;
|
|
// }
|
|
// }
|
|
|
|
// // }
|
|
|
|
// final aggregatePixelBuffer = medianImages(pixels);
|
|
// await savePixelBufferToBmp(aggregatePixelBuffer, textureSize.width,
|
|
// textureSize.height, "unproject_texture.bmp");
|
|
// var pixelBufferPng = await pixelsToPng(
|
|
// Uint8List.fromList(aggregatePixelBuffer),
|
|
// dimensions.width,
|
|
// dimensions.height);
|
|
// File("${outDir.path}/unproject_texture.png")
|
|
// .writeAsBytesSync(pixelBufferPng);
|
|
|
|
// await viewer.setPostProcessing(true);
|
|
// await viewer.setToneMapping(ToneMapper.LINEAR);
|
|
|
|
// final unlit = await viewer.createUnlitMaterialInstance();
|
|
// await viewer.destroyAsset(cube);
|
|
// cube = await viewer.createGeometry(GeometryHelper.cube(),
|
|
// materialInstance: unlit);
|
|
// var reconstructedTexture = await viewer.createTexture(pixelBufferPng);
|
|
// await viewer.applyTexture(reconstructedTexture, cube);
|
|
|
|
// await viewer.setCameraRotation(
|
|
// Quaternion.axisAngle(Vector3(0, 1, 0), -pi / 8) *
|
|
// Quaternion.axisAngle(Vector3(1, 0, 0), -pi / 6));
|
|
// await testHelper.capture(viewer, "unproject_reconstruct");
|
|
|
|
// // now re-render
|
|
// for (int i = 0; i < numFrames; i++) {
|
|
// await viewer.setCameraPosition(-3 + (i / numFrames * 2), 4, 6);
|
|
|
|
// await viewer.setCameraRotation(
|
|
// Quaternion.axisAngle(Vector3(0, 1, 0), -pi / 8) *
|
|
// Quaternion.axisAngle(
|
|
// Vector3(1, 0, 0), -pi / 6 - (i / numFrames * pi / 6)));
|
|
|
|
// var rendered = await testHelper.capture(viewer, "unproject_rerender$i");
|
|
// var renderPng =
|
|
// await pixelsToPng(rendered, dimensions.width, dimensions.height);
|
|
|
|
// File("${outDir.path}/unproject_rerender${i}.png")
|
|
// .writeAsBytesSync(renderPng);
|
|
// }
|
|
// }, timeout: Timeout(Duration(minutes: 2)));
|
|
// });
|
|
// }
|