Files
Faset_Engine/tests/render_temporal_acceptance_tests.cpp
T

95 lines
4.2 KiB
C++

#include "render_temporal_fixtures.hpp"
#include <faset/render/temporal.hpp>
#include <array>
#include <cstdint>
#include <memory>
using namespace faset::render;
using namespace faset::render::temporal_test;
namespace {
void moving_reveal_and_camera_resets(VisibilityMode visibility) {
constexpr std::uint32_t width = 160, height = 120;
auto config = headless_config(width, height, visibility);
config.temporal_mode = TemporalMode::TAA;
Renderer taa(config);
config.temporal_mode = TemporalMode::Off;
Renderer off(config);
auto frame = lit_scene(width, height);
frame.draws.push_back(cube({0, 0, -2}, {.1f, .95f, .2f, 1}, "background"));
frame.draws.push_back(cube({0, 0, 1}, {.95f, .1f, .1f, 1}, "door"));
frame.ui_quads.push_back({2, 2, 25, 12, {.8f, .7f, .25f, 1}});
taa.render(frame);
require(!taa.stats().temporal_history_valid &&
taa.stats().temporal_reset_reason == TemporalResetReason::FirstFrame,
"The first TAA frame must use only current color");
taa.render(frame);
require(taa.stats().temporal_history_valid,
"An unchanged second frame must accept eligible temporal history");
frame.draws[1].model = transform({3, 0, 1});
taa.render(frame);
off.render(frame);
require(mean_rgb_error(taa.pixels(), off.pixels(), width, height, {75, 55, 10, 10}) <= 8.0,
"Opening a foreground door reveals current background without old-color trail");
require(taa.stats().validation_errors == 0,
"Moving-disocclusion resolve must pass Vulkan validation");
require(pixel(taa.pixels(), width, 4, 4) == pixel(off.pixels(), width, 4, 4),
"Moving scene and TAA must leave UI pixel-exact");
frame.camera_cut = true;
frame.eye = {1, 0, 6};
frame.view_projection = multiply(frame.projection, look_at(frame.eye, {0, 0, 0}));
taa.render(frame);
off.render(frame);
require(!taa.stats().temporal_history_valid &&
taa.stats().temporal_reset_reason == TemporalResetReason::CameraCut &&
mean_rgb_error(taa.pixels(), off.pixels(), width, height,
{75, 55, 10, 10}) <= 8.0,
"Explicit camera cut must discard stale color immediately");
frame.camera_cut = false;
frame.eye = {7, 0, 6};
frame.view_projection = multiply(frame.projection, look_at(frame.eye, {0, 0, 0}));
taa.render(frame);
require(!taa.stats().temporal_history_valid &&
taa.stats().temporal_reset_reason ==
TemporalResetReason::CameraDiscontinuity,
"An unmarked large camera teleport also discards history");
frame.eye = {0, 0, 6};
frame.view_projection = multiply(frame.projection, look_at(frame.eye, {0, 0, 0}));
frame.draws[0].mesh = std::make_shared<Mesh>(*frame.draws[0].mesh);
taa.render(frame);
require(taa.stats().validation_errors == 0,
"Mesh identity change and camera return must keep temporal output valid");
}
void lower_resolution_scene_and_output_ui() {
constexpr std::uint32_t width = 320, height = 240;
auto config = headless_config(width, height, VisibilityMode::Direct);
config.temporal_mode = TemporalMode::Upscale;
config.render_scale = .67f;
Renderer upscale(config);
auto frame = lit_scene(width, height);
frame.draws.push_back(cube({0, 0, 0}, {.8f, .6f, .25f, 1}, "thin-scene"));
frame.ui_quads.push_back({2, 2, 25, 12, {.8f, .7f, .25f, 1}});
upscale.render(frame);
require(upscale.stats().effective_temporal_mode == TemporalMode::Upscale &&
upscale.stats().temporal_internal_width == 215 &&
upscale.stats().temporal_internal_height == 161 &&
upscale.pixels().size() == std::size_t(width) * height * 4,
"0.67 upscale rasterizes 215x161 while capture remains 320x240");
require(upscale.stats().validation_errors == 0,
"Upscale image resize and composite pass Vulkan validation");
}
} // namespace
int main() {
moving_reveal_and_camera_resets(VisibilityMode::Direct);
moving_reveal_and_camera_resets(VisibilityMode::GpuFrustum);
moving_reveal_and_camera_resets(VisibilityMode::GpuOcclusion);
lower_resolution_scene_and_output_ui();
}