Emil
7297d01436
Native and manual checks / native (ubuntu-24.04) (push) Failing after 37s
Native and manual checks / manual (push) Successful in 27s
Windows editor and software Vulkan / windows-graphics (push) Canceled after 0s
Native and manual checks / native (windows-2025) (push) Canceled after 0s
176 lines
8.3 KiB
C++
176 lines
8.3 KiB
C++
#include "render_temporal_fixtures.hpp"
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#include <faset/render/temporal.hpp>
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#include <array>
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#include <cmath>
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#include <cstdint>
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#include <iostream>
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#include <memory>
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#include <vector>
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using namespace faset::render;
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using namespace faset::render::temporal_test;
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namespace {
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void moving_reveal_and_camera_resets(VisibilityMode visibility) {
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constexpr std::uint32_t width = 160, height = 120;
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auto config = headless_config(width, height, visibility);
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config.temporal_mode = TemporalMode::TAA;
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Renderer taa(config);
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config.temporal_mode = TemporalMode::Off;
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Renderer off(config);
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auto frame = lit_scene(width, height);
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frame.draws.push_back(cube({0, 0, -2}, {.1f, .95f, .2f, 1}, "background"));
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frame.draws.push_back(cube({0, 0, 1}, {.95f, .1f, .1f, 1}, "door"));
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frame.ui_quads.push_back({2, 2, 25, 12, {.8f, .7f, .25f, 1}});
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taa.render(frame);
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require(!taa.stats().temporal_history_valid &&
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taa.stats().temporal_reset_reason == TemporalResetReason::FirstFrame,
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"The first TAA frame must use only current color");
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taa.render(frame);
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require(taa.stats().temporal_history_valid,
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"An unchanged second frame must accept eligible temporal history");
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frame.draws[1].model = transform({3, 0, 1});
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taa.render(frame);
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off.render(frame);
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require(mean_rgb_error(taa.pixels(), off.pixels(), width, height, {75, 55, 10, 10}) <= 8.0,
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"Opening a foreground door reveals current background without old-color trail");
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require(taa.stats().validation_errors == 0,
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"Moving-disocclusion resolve must pass Vulkan validation");
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require(pixel(taa.pixels(), width, 4, 4) == pixel(off.pixels(), width, 4, 4),
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"Moving scene and TAA must leave UI pixel-exact");
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frame.camera_cut = true;
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frame.eye = {1, 0, 6};
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frame.view_projection = multiply(frame.projection, look_at(frame.eye, {0, 0, 0}));
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taa.render(frame);
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off.render(frame);
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require(!taa.stats().temporal_history_valid &&
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taa.stats().temporal_reset_reason == TemporalResetReason::CameraCut &&
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mean_rgb_error(taa.pixels(), off.pixels(), width, height,
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{75, 55, 10, 10}) <= 8.0,
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"Explicit camera cut must discard stale color immediately");
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frame.camera_cut = false;
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frame.eye = {7, 0, 6};
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frame.view_projection = multiply(frame.projection, look_at(frame.eye, {0, 0, 0}));
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taa.render(frame);
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require(!taa.stats().temporal_history_valid &&
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taa.stats().temporal_reset_reason ==
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TemporalResetReason::CameraDiscontinuity,
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"An unmarked large camera teleport also discards history");
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frame.eye = {0, 0, 6};
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frame.view_projection = multiply(frame.projection, look_at(frame.eye, {0, 0, 0}));
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frame.draws[0].mesh = std::make_shared<Mesh>(*frame.draws[0].mesh);
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taa.render(frame);
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require(taa.stats().validation_errors == 0,
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"Mesh identity change and camera return must keep temporal output valid");
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}
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void lower_resolution_scene_and_output_ui() {
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constexpr std::uint32_t width = 320, height = 240;
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auto config = headless_config(width, height, VisibilityMode::Direct);
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config.temporal_mode = TemporalMode::Upscale;
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config.render_scale = .67f;
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Renderer upscale(config);
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auto frame = lit_scene(width, height);
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frame.draws.push_back(cube({0, 0, 0}, {.8f, .6f, .25f, 1}, "thin-scene"));
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frame.ui_quads.push_back({2, 2, 25, 12, {.8f, .7f, .25f, 1}});
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frame.scene_rect = {13, 17, 287, 199};
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upscale.render(frame);
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require(upscale.stats().effective_temporal_mode == TemporalMode::Upscale &&
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upscale.stats().temporal_internal_width == 215 &&
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upscale.stats().temporal_internal_height == 161 &&
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upscale.pixels().size() == std::size_t(width) * height * 4,
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"0.67 upscale rasterizes 215x161 while capture remains 320x240");
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require(upscale.stats().validation_errors == 0,
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"Upscale image resize and composite pass Vulkan validation");
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const auto output_ui = pixel(upscale.pixels(), width, 4, 4);
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upscale.render(frame);
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require(upscale.stats().temporal_history_valid,
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"A compatible upscaled second frame has output-resolution history");
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upscale.set_temporal_mode(TemporalMode::Upscale, .5f);
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upscale.render(frame);
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require(upscale.stats().temporal_internal_width == 160 &&
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upscale.stats().temporal_internal_height == 120 &&
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!upscale.stats().temporal_history_valid &&
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upscale.stats().temporal_reset_reason == TemporalResetReason::ScaleChanged &&
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pixel(upscale.pixels(), width, 4, 4) == output_ui,
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"Changing upscale factor resets history without changing sharp output UI");
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upscale.set_temporal_mode(TemporalMode::TAA);
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upscale.render(frame);
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require(upscale.stats().temporal_reset_reason == TemporalResetReason::ScaleChanged &&
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upscale.stats().temporal_internal_width == width &&
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upscale.stats().temporal_internal_height == height,
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"Switching from upscale to 1:1 TAA resets the changed internal scale");
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upscale.set_temporal_mode(TemporalMode::Off);
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upscale.render(frame);
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require(upscale.stats().effective_temporal_mode == TemporalMode::Off &&
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pixel(upscale.pixels(), width, 4, 4) == output_ui,
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"Switching Off restores the full-resolution baseline and sharp UI");
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upscale.resize(319, 241);
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frame = lit_scene(319, 241);
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frame.scene_rect = {13, 17, 285, 199};
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upscale.set_temporal_mode(TemporalMode::Upscale, .5f);
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upscale.render(frame);
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require(upscale.stats().temporal_internal_width == 160 &&
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upscale.stats().temporal_internal_height == 121 &&
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upscale.pixels().size() == std::size_t(319) * 241 * 4 &&
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upscale.stats().validation_errors == 0,
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"Odd output and offset scene rectangle preserve ceil-rounded internal extent");
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}
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double frame_variation(const std::vector<std::vector<std::uint8_t>>& frames,
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std::uint32_t width, Region region) {
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require(frames.size() >= 2, "Temporal variation metric needs multiple frames");
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double sum{};
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for (std::size_t i = 1; i < frames.size(); ++i)
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sum += mean_rgb_error(frames[i], frames[i - 1], width,
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static_cast<std::uint32_t>(frames[i].size() / (width * 4)),
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region);
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return sum / double(frames.size() - 1);
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}
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void static_edge_reduces_jitter_variation() {
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constexpr std::uint32_t width = 160, height = 120;
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auto config = headless_config(width, height, VisibilityMode::Direct);
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config.temporal_mode = TemporalMode::TAA;
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Renderer accumulated(config), spatial(config);
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auto frame = lit_scene(width, height);
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frame.clear_color = {0, 0, 0, 1};
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frame.draws.push_back(cube({0, 0, 0}, {1, 1, 1, 1}, "static-edge"));
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std::vector<std::vector<std::uint8_t>> resolved, unaccumulated;
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for (unsigned phase = 0; phase < 16; ++phase) {
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accumulated.render(frame);
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if (phase >= 4)
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resolved.push_back(accumulated.pixels());
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frame.camera_cut = true; // Same jitter phase, but no prior color may be read.
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spatial.render(frame);
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if (phase >= 4)
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unaccumulated.push_back(spatial.pixels());
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frame.camera_cut = false;
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}
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const Region edge_area{25, 12, 110, 95};
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const double raw = frame_variation(unaccumulated, width, edge_area);
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const double temporal = frame_variation(resolved, width, edge_area);
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std::cerr << "Static-edge mean frame variation: unaccumulated=" << raw
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<< " TAA=" << temporal << '\n';
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require(raw > .05 && temporal < raw * .98,
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"After warm-up TAA must reduce static edge shimmer across Halton phases");
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require(accumulated.stats().validation_errors == 0 &&
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spatial.stats().validation_errors == 0,
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"Static-edge temporal sequence must not raise Vulkan validation errors");
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}
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} // namespace
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int main() {
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moving_reveal_and_camera_resets(VisibilityMode::Direct);
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moving_reveal_and_camera_resets(VisibilityMode::GpuFrustum);
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moving_reveal_and_camera_resets(VisibilityMode::GpuOcclusion);
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lower_resolution_scene_and_output_ui();
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static_edge_reduces_jitter_variation();
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}
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