Files
video-shader-toys/tests/RenderCadenceCompositorRuntimeLayerModelTests.cpp

352 lines
16 KiB
C++

#include "RuntimeLayerModel.h"
#include <chrono>
#include <filesystem>
#include <fstream>
#include <iostream>
#include <string>
namespace
{
int gFailures = 0;
void Expect(bool condition, const std::string& message)
{
if (condition)
return;
++gFailures;
std::cerr << "FAIL: " << message << "\n";
}
std::filesystem::path MakeTestRoot()
{
const auto stamp = std::chrono::steady_clock::now().time_since_epoch().count();
const std::filesystem::path root = std::filesystem::temp_directory_path() / ("render-cadence-layer-model-tests-" + std::to_string(stamp));
std::filesystem::create_directories(root);
return root;
}
void WriteFile(const std::filesystem::path& path, const std::string& contents)
{
std::filesystem::create_directories(path.parent_path());
std::ofstream output(path, std::ios::binary);
output << contents;
}
std::string SolidShaderManifest(double gainDefault, bool includeMix)
{
std::string parameters =
"{ \"id\": \"gain\", \"label\": \"Gain\", \"type\": \"float\", \"default\": " + std::to_string(gainDefault) + " },\n"
"\t\t\t{ \"id\": \"drop\", \"label\": \"Drop\", \"type\": \"trigger\" }";
if (includeMix)
parameters += ",\n\t\t\t{ \"id\": \"mix\", \"label\": \"Mix\", \"type\": \"float\", \"default\": 0.25 }";
return R"({
"id": "solid",
"name": "Solid",
"description": "Solid test shader",
"category": "Tests",
"entryPoint": "shadeVideo",
"parameters": [
)" + parameters + R"(
]
})";
}
std::string AllParametersShaderManifest()
{
return R"({
"id": "all-params",
"name": "All Params",
"description": "All parameter restore test shader",
"category": "Tests",
"entryPoint": "shadeVideo",
"fonts": [{ "id": "inter", "path": "Inter.ttf" }],
"parameters": [
{ "id": "gain", "label": "Gain", "type": "float", "default": 0.5, "min": 0.0, "max": 1.0 },
{ "id": "offset", "label": "Offset", "type": "vec2", "default": [0.0, 0.0], "min": [-1.0, -1.0], "max": [1.0, 1.0] },
{ "id": "tint", "label": "Tint", "type": "color", "default": [1.0, 1.0, 1.0, 1.0], "min": [0.0, 0.0, 0.0, 0.0], "max": [1.0, 1.0, 1.0, 1.0] },
{ "id": "enabled", "label": "Enabled", "type": "bool", "default": true },
{ "id": "mode", "label": "Mode", "type": "enum", "default": "soft", "options": [
{ "value": "soft", "label": "Soft" },
{ "value": "hard", "label": "Hard" }
] },
{ "id": "titleText", "label": "Title", "type": "text", "default": "DEFAULT", "font": "inter", "maxLength": 8 },
{ "id": "drop", "label": "Drop", "type": "trigger" }
]
})";
}
RenderCadenceCompositor::SupportedShaderCatalog LoadCatalog(const std::filesystem::path& root)
{
RenderCadenceCompositor::SupportedShaderCatalog catalog;
std::string error;
Expect(catalog.Load(root, 4, error), error.empty() ? "catalog loads test shader" : error);
return catalog;
}
RenderCadenceCompositor::SupportedShaderCatalog MakeCatalog(std::filesystem::path& root)
{
root = MakeTestRoot();
WriteFile(root / "solid" / "shader.slang", "float4 shadeVideo(float2 uv) { return float4(uv, 0.0, 1.0); }\n");
WriteFile(root / "solid" / "shader.json", SolidShaderManifest(0.5, false));
return LoadCatalog(root);
}
void TestSingleLayerLifecycle()
{
std::filesystem::path root;
RenderCadenceCompositor::SupportedShaderCatalog catalog = MakeCatalog(root);
RenderCadenceCompositor::RuntimeLayerModel model;
std::string error;
Expect(model.InitializeSingleLayer(catalog, "solid", error), "model initializes a supported startup shader");
Expect(model.FirstLayerId() == "runtime-layer-1", "startup layer id is stable");
Expect(model.MarkBuildStarted(model.FirstLayerId(), "build started", error), "build start updates the layer");
RenderCadenceCompositor::RuntimeLayerModelSnapshot snapshot = model.Snapshot();
Expect(snapshot.displayLayers.size() == 1, "snapshot exposes the display layer");
Expect(snapshot.displayLayers[0].buildState == RenderCadenceCompositor::RuntimeLayerBuildState::Pending, "started layer is pending");
Expect(!snapshot.displayLayers[0].renderReady, "started layer is not render-ready yet");
RuntimeShaderArtifact artifact;
artifact.shaderId = "solid";
artifact.displayName = "Solid";
artifact.fragmentShaderSource = "void main(){}";
artifact.message = "build ready";
Expect(model.MarkBuildReady(artifact, error), "ready artifact updates the matching layer");
snapshot = model.Snapshot();
Expect(snapshot.compileSucceeded, "ready layer reports compile success");
Expect(snapshot.displayLayers[0].buildState == RenderCadenceCompositor::RuntimeLayerBuildState::Ready, "ready layer is marked ready");
Expect(snapshot.displayLayers[0].renderReady, "ready layer exposes render readiness");
Expect(snapshot.renderLayers.size() == 1, "ready layer produces one render layer artifact");
Expect(snapshot.renderLayers[0].artifact.shaderId == "solid", "render layer carries the artifact");
std::filesystem::remove_all(root);
}
void TestRejectsUnsupportedStartupShader()
{
std::filesystem::path root;
RenderCadenceCompositor::SupportedShaderCatalog catalog = MakeCatalog(root);
RenderCadenceCompositor::RuntimeLayerModel model;
std::string error;
Expect(!model.InitializeSingleLayer(catalog, "missing", error), "model rejects unsupported shader ids");
Expect(!error.empty(), "unsupported shader rejection explains the problem");
Expect(model.Snapshot().displayLayers.empty(), "rejected startup shader leaves no display layer");
std::filesystem::remove_all(root);
}
void TestBuildFailureStaysDisplaySide()
{
std::filesystem::path root;
RenderCadenceCompositor::SupportedShaderCatalog catalog = MakeCatalog(root);
RenderCadenceCompositor::RuntimeLayerModel model;
std::string error;
Expect(model.InitializeSingleLayer(catalog, "solid", error), "model initializes for failure test");
Expect(model.MarkBuildFailed(model.FirstLayerId(), "compile failed", error), "build failure updates the layer");
const RenderCadenceCompositor::RuntimeLayerModelSnapshot snapshot = model.Snapshot();
Expect(!snapshot.compileSucceeded, "failed layer reports compile failure");
Expect(snapshot.displayLayers[0].buildState == RenderCadenceCompositor::RuntimeLayerBuildState::Failed, "failed layer is marked failed");
Expect(!snapshot.displayLayers[0].renderReady, "failed layer is not render-ready");
Expect(snapshot.renderLayers.empty(), "failed layer does not produce a render artifact");
std::filesystem::remove_all(root);
}
void TestAddAndRemoveLayers()
{
std::filesystem::path root;
RenderCadenceCompositor::SupportedShaderCatalog catalog = MakeCatalog(root);
RenderCadenceCompositor::RuntimeLayerModel model;
std::string error;
std::string firstLayerId;
std::string secondLayerId;
Expect(model.AddLayer(catalog, "solid", firstLayerId, error), "first layer can be added");
Expect(model.AddLayer(catalog, "solid", secondLayerId, error), "second layer can be added");
Expect(firstLayerId != secondLayerId, "added layers receive distinct ids");
Expect(model.Snapshot().displayLayers.size() == 2, "added layers appear in display snapshot");
Expect(model.RemoveLayer(firstLayerId, error), "existing layer can be removed");
RenderCadenceCompositor::RuntimeLayerModelSnapshot snapshot = model.Snapshot();
Expect(snapshot.displayLayers.size() == 1, "removed layer leaves snapshot");
Expect(snapshot.displayLayers[0].id == secondLayerId, "remaining layer identity is preserved");
Expect(!model.RemoveLayer(firstLayerId, error), "removed layer cannot be removed twice");
std::filesystem::remove_all(root);
}
void TestInitializeFromRuntimeStateRestoresLayerStack()
{
std::filesystem::path root = MakeTestRoot();
WriteFile(root / "solid" / "shader.slang", "float4 shadeVideo(float2 uv) { return float4(uv, 0.0, 1.0); }\n");
WriteFile(root / "solid" / "shader.json", SolidShaderManifest(0.5, false));
WriteFile(root / "all-params" / "shader.slang", "float4 shadeVideo(float2 uv) { return float4(uv, 0.0, 1.0); }\n");
WriteFile(root / "all-params" / "Inter.ttf", "not a real font, but enough for restore catalog support checks");
WriteFile(root / "all-params" / "shader.json", AllParametersShaderManifest());
RenderCadenceCompositor::SupportedShaderCatalog catalog = LoadCatalog(root);
JsonValue runtimeState;
std::string error;
Expect(ParseJson(R"({
"layers": [
{
"id": "layer-31",
"shaderId": "all-params",
"bypass": true,
"parameterValues": {
"gain": 0.75,
"offset": [0.25, -0.5],
"tint": [0.1, 0.2, 0.3, 0.4],
"enabled": false,
"mode": "hard",
"titleText": "RESTORED-TEXT",
"drop": 4
}
},
{
"id": "layer-32",
"shaderId": "missing",
"parameterValues": {
"gain": 0.9
}
},
{
"id": "layer-33",
"shaderId": "solid",
"parameterValues": {
"gain": "bad"
}
}
]
})", runtimeState, error), "runtime state fixture parses");
RenderCadenceCompositor::RuntimeLayerModel model;
Expect(model.InitializeFromRuntimeState(catalog, runtimeState, error), "runtime state can initialize the layer model");
RenderCadenceCompositor::RuntimeLayerModelSnapshot snapshot = model.Snapshot();
Expect(snapshot.displayLayers.size() == 2, "restore keeps supported layers and skips missing shaders");
Expect(snapshot.displayLayers[0].id == "layer-31", "restore preserves saved layer id");
Expect(snapshot.displayLayers[0].shaderId == "all-params", "restore preserves shader id");
Expect(snapshot.displayLayers[0].bypass, "restore preserves bypass state");
Expect(snapshot.displayLayers[0].parameterValues.at("gain").numberValues.front() == 0.75, "restore preserves valid parameter values");
Expect(snapshot.displayLayers[0].parameterValues.at("offset").numberValues == std::vector<double>({ 0.25, -0.5 }), "restore preserves vec2 parameter values");
Expect(snapshot.displayLayers[0].parameterValues.at("tint").numberValues == std::vector<double>({ 0.1, 0.2, 0.3, 0.4 }), "restore preserves color parameter values");
Expect(!snapshot.displayLayers[0].parameterValues.at("enabled").booleanValue, "restore preserves boolean parameter values");
Expect(snapshot.displayLayers[0].parameterValues.at("mode").enumValue == "hard", "restore preserves enum parameter values");
Expect(snapshot.displayLayers[0].parameterValues.at("titleText").textValue == "RESTORED", "restore normalizes and preserves text parameter values");
Expect(snapshot.displayLayers[0].parameterValues.at("drop").numberValues.front() == 4.0, "restore preserves trigger counts");
Expect(snapshot.displayLayers[1].id == "layer-33", "restore preserves later supported layer order");
Expect(snapshot.displayLayers[1].shaderId == "solid", "restore preserves later layer shader id");
Expect(snapshot.displayLayers[1].parameterValues.at("gain").numberValues.front() == 0.5, "restore falls back to defaults for invalid parameter values");
const std::vector<std::pair<std::string, std::string>> builds = model.PendingLayerBuilds();
Expect(builds.size() == 2 && builds[0].first == "layer-31" && builds[0].second == "all-params" && builds[1].first == "layer-33" && builds[1].second == "solid", "restore queues startup builds for every restored layer in order");
std::filesystem::remove_all(root);
}
void TestLayerControlsUpdateDisplayAndRenderModels()
{
std::filesystem::path root;
RenderCadenceCompositor::SupportedShaderCatalog catalog = MakeCatalog(root);
RenderCadenceCompositor::RuntimeLayerModel model;
std::string error;
std::string firstLayerId;
std::string secondLayerId;
Expect(model.AddLayer(catalog, "solid", firstLayerId, error), "first control layer can be added");
Expect(model.AddLayer(catalog, "solid", secondLayerId, error), "second control layer can be added");
Expect(model.SetLayerBypass(firstLayerId, true, error), "bypass can be set");
Expect(model.ReorderLayer(firstLayerId, 1, error), "layer can be reordered");
RenderCadenceCompositor::RuntimeLayerModelSnapshot snapshot = model.Snapshot();
Expect(snapshot.displayLayers[1].id == firstLayerId, "reordered layer moves to requested index");
Expect(snapshot.displayLayers[1].bypass, "bypass state is visible in read model");
JsonValue gainValue(0.75);
Expect(model.UpdateParameter(firstLayerId, "gain", gainValue, error), "parameter value can be updated");
snapshot = model.Snapshot();
Expect(snapshot.displayLayers[1].parameterValues.at("gain").numberValues.front() == 0.75, "updated parameter value is visible");
JsonValue dropPulse(true);
Expect(model.UpdateParameter(firstLayerId, "drop", dropPulse, error), "trigger parameter can be pulsed");
snapshot = model.Snapshot();
const std::vector<double> firstTrigger = snapshot.displayLayers[1].parameterValues.at("drop").numberValues;
Expect(firstTrigger.size() == 2 && firstTrigger[0] == 1.0 && firstTrigger[1] >= 0.0, "trigger pulse increments count and records runtime time");
Expect(model.UpdateParameter(firstLayerId, "drop", dropPulse, error), "trigger parameter can be pulsed again");
snapshot = model.Snapshot();
const std::vector<double> secondTrigger = snapshot.displayLayers[1].parameterValues.at("drop").numberValues;
Expect(secondTrigger.size() == 2 && secondTrigger[0] == 2.0 && secondTrigger[1] >= firstTrigger[1], "second trigger pulse increments count again");
RuntimeShaderArtifact artifact;
artifact.layerId = firstLayerId;
artifact.shaderId = "solid";
artifact.displayName = "Solid";
artifact.fragmentShaderSource = "void main(){}";
artifact.parameterDefinitions = snapshot.displayLayers[1].parameterDefinitions;
artifact.message = "build ready";
Expect(model.MarkBuildReady(artifact, error), "ready artifact keeps layer parameter state");
snapshot = model.Snapshot();
Expect(snapshot.renderLayers.size() == 1, "ready layer produces render model");
Expect(snapshot.renderLayers[0].bypass, "render model carries bypass state");
Expect(snapshot.renderLayers[0].artifact.parameterValues.at("gain").numberValues.front() == 0.75, "render artifact carries updated parameter value");
Expect(model.ResetParameters(firstLayerId, error), "parameters can reset to defaults");
snapshot = model.Snapshot();
Expect(snapshot.displayLayers[1].parameterValues.at("gain").numberValues.front() == 0.5, "reset restores default value");
std::filesystem::remove_all(root);
}
void TestReloadRefreshesChangedShaderMetadataAndPreservesValues()
{
std::filesystem::path root;
RenderCadenceCompositor::SupportedShaderCatalog catalog = MakeCatalog(root);
RenderCadenceCompositor::RuntimeLayerModel model;
std::string error;
std::string layerId;
Expect(model.AddLayer(catalog, "solid", layerId, error), "reload test layer can be added");
Expect(model.UpdateParameter(layerId, "gain", JsonValue(0.75), error), "reload test parameter can be customized");
WriteFile(root / "solid" / "shader.json", SolidShaderManifest(0.1, true));
RenderCadenceCompositor::SupportedShaderCatalog reloadedCatalog = LoadCatalog(root);
std::vector<std::pair<std::string, std::string>> buildsToStart;
Expect(model.ReloadFromCatalog(reloadedCatalog, buildsToStart, error), "reload refreshes model from changed catalog");
Expect(buildsToStart.size() == 1 && buildsToStart[0].first == layerId && buildsToStart[0].second == "solid", "changed shader queues a layer rebuild");
RenderCadenceCompositor::RuntimeLayerModelSnapshot snapshot = model.Snapshot();
Expect(snapshot.displayLayers[0].parameterDefinitions.size() == 3, "reload exposes new JSON parameter definitions to UI");
Expect(snapshot.displayLayers[0].parameterValues.at("gain").numberValues.front() == 0.75, "reload preserves compatible parameter values");
Expect(snapshot.displayLayers[0].parameterValues.at("mix").numberValues.front() == 0.25, "reload initializes newly added parameters");
std::filesystem::remove_all(root);
}
}
int main()
{
TestSingleLayerLifecycle();
TestRejectsUnsupportedStartupShader();
TestBuildFailureStaysDisplaySide();
TestAddAndRemoveLayers();
TestInitializeFromRuntimeStateRestoresLayerStack();
TestLayerControlsUpdateDisplayAndRenderModels();
TestReloadRefreshesChangedShaderMetadataAndPreservesValues();
if (gFailures != 0)
{
std::cerr << gFailures << " RenderCadenceCompositorRuntimeLayerModel test failure(s).\n";
return 1;
}
std::cout << "RenderCadenceCompositorRuntimeLayerModel tests passed.\n";
return 0;
}