d0e2500048
- Update wasm/Makefile to compile ALL scenario files using wildcard - Add conditional compilation to scenario_bitmap.cpp (#ifdef __EMSCRIPTEN__) to handle OpenGL-specific shader workaround code for native only - Change canvas dimensions to 1600x1200 to match native baseline (2x Retina) - Set white background color to match native screenshots - Update gal-webgl.spec.ts to hide UI overlay before taking screenshots - Improve test-gal-regression.sh with better ImageMagick comparison All 28 scenarios now compile and run on both native and WebGL backends. Native vs baseline: PASSED (28/28 matching) WebGL rendering: In progress (primitives not yet visible) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
426 lines
13 KiB
Shell
Executable file
426 lines
13 KiB
Shell
Executable file
#!/bin/bash
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# GAL Regression Test - Master Script
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# ====================================
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# Single script to build, run, and compare native OpenGL and WebGL GAL implementations.
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#
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# Two-level comparison:
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# 1. native vs baseline - Catches if native code regressed
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# 2. webgl vs native - Verifies WebGL implementation matches native
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#
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# Usage:
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# ./scripts/test-gal-regression.sh # Run all tests
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# ./scripts/test-gal-regression.sh native # Run native only
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# ./scripts/test-gal-regression.sh webgl # Run webgl only (requires native output)
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# ./scripts/test-gal-regression.sh compare # Compare only (skip builds)
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# ./scripts/test-gal-regression.sh -v # Verbose output
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# Redirect all output to a log file (re-execs script with redirection)
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source "$(dirname "$0")/common/logging.sh"
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set -e
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
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# Directories
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GAL_REGRESSION_DIR="$PROJECT_ROOT/tests/gal-regression"
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BASELINE_DIR="$GAL_REGRESSION_DIR/baseline"
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OUTPUT_DIR="$GAL_REGRESSION_DIR/output"
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NATIVE_OUTPUT_DIR="$OUTPUT_DIR/native"
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WEBGL_OUTPUT_DIR="$OUTPUT_DIR/webgl"
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NATIVE_BUILD_DIR="$GAL_REGRESSION_DIR/native/build"
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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# Parse arguments
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VERBOSE=""
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RUN_NATIVE=true
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RUN_WEBGL=true
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COMPARE_ONLY=false
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for arg in "$@"; do
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case $arg in
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native)
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RUN_WEBGL=false
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;;
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webgl)
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RUN_NATIVE=false
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;;
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compare)
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COMPARE_ONLY=true
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;;
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-v|--verbose)
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VERBOSE="-v"
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;;
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esac
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done
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# ============================================================================
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# Helper Functions
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# ============================================================================
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log_header() {
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echo ""
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echo -e "${BLUE}════════════════════════════════════════════════════════════════${NC}"
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echo -e "${BLUE} $1${NC}"
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echo -e "${BLUE}════════════════════════════════════════════════════════════════${NC}"
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}
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log_step() {
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echo -e "${YELLOW}>>> $1${NC}"
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}
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log_success() {
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echo -e "${GREEN}✓ $1${NC}"
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}
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log_error() {
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echo -e "${RED}✗ $1${NC}"
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}
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# Compare two directories of screenshots using ImageMagick
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# Supports different dimensions (resizes to match) and allows small pixel differences
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# Usage: compare_screenshots <dir1> <dir2> <label> [threshold]
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# Returns 0 if match within threshold, 1 if different
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compare_screenshots() {
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local dir1="$1"
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local dir2="$2"
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local label="$3"
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local threshold="${4:-1.0}" # Default 1% difference allowed
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echo ""
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echo "Comparing: $label"
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echo " Reference: $dir1"
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echo " Current: $dir2"
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echo " Threshold: ${threshold}% pixel difference"
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echo ""
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if [ ! -d "$dir1" ]; then
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log_error "Reference directory not found: $dir1"
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return 1
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fi
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if [ ! -d "$dir2" ]; then
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log_error "Current directory not found: $dir2"
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return 1
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fi
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# Check for ImageMagick
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if ! command -v compare &> /dev/null; then
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log_error "ImageMagick 'compare' command not found. Install with: brew install imagemagick"
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return 1
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fi
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local total=0
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local matching=0
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local different=0
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local missing=0
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# Create temp directory for resized images
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local tmpdir=$(mktemp -d)
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trap "rm -rf '$tmpdir'" EXIT
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# Compare all reference screenshots
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for ref in "$dir1"/*.png; do
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[ -e "$ref" ] || continue # Handle no matches
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local filename=$(basename "$ref")
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local current="$dir2/$filename"
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total=$((total + 1))
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if [ ! -f "$current" ]; then
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echo " MISSING: $filename"
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missing=$((missing + 1))
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continue
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fi
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# Get dimensions
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local ref_dims=$(identify -format "%wx%h" "$ref" 2>/dev/null)
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local cur_dims=$(identify -format "%wx%h" "$current" 2>/dev/null)
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# If dimensions differ, resize current to match reference
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local compare_file="$current"
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if [ "$ref_dims" != "$cur_dims" ]; then
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compare_file="$tmpdir/resized_$filename"
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convert "$current" -resize "$ref_dims!" "$compare_file" 2>/dev/null
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if [ -n "$VERBOSE" ]; then
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echo " RESIZED: $filename ($cur_dims -> $ref_dims)"
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fi
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fi
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# Compare with fuzz factor (allows small pixel differences from anti-aliasing)
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# Use AE (Absolute Error) metric - counts differing pixels
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# Output format: "123456 (0.123)" - extract just the first number
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local compare_output=$(compare -metric AE -fuzz 2% "$ref" "$compare_file" null: 2>&1 || true)
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local diff_pixels=$(echo "$compare_output" | awk '{print $1}')
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# Handle scientific notation (e.g., 1.92e+06)
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if [[ "$diff_pixels" =~ [eE] ]]; then
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diff_pixels=$(printf "%.0f" "$diff_pixels")
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fi
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# Handle error cases (non-numeric output)
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if ! [[ "$diff_pixels" =~ ^[0-9]+\.?[0-9]*$ ]]; then
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echo " ERROR: $filename (comparison failed: $compare_output)"
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different=$((different + 1))
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continue
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fi
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# Calculate percentage
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local total_pixels=$(identify -format "%[fx:w*h]" "$ref" 2>/dev/null)
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# Handle scientific notation in total_pixels
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if [[ "$total_pixels" =~ [eE] ]]; then
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total_pixels=$(printf "%.0f" "$total_pixels")
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fi
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if [ -z "$total_pixels" ] || [ "$total_pixels" = "0" ]; then
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total_pixels=1 # Avoid division by zero
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fi
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# Use awk for floating point arithmetic (more portable than bc)
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local diff_pct=$(awk "BEGIN {printf \"%.4f\", ($diff_pixels * 100.0) / $total_pixels}")
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# Compare against threshold
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local is_match=$(awk "BEGIN {print ($diff_pct < $threshold) ? 1 : 0}")
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if [ "$is_match" -eq 1 ]; then
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matching=$((matching + 1))
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if [ -n "$VERBOSE" ] || [ "$diff_pixels" -gt 0 ]; then
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echo " MATCH: $filename (${diff_pct}% different)"
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fi
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else
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different=$((different + 1))
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echo " DIFFERENT: $filename (${diff_pct}% different, threshold: ${threshold}%)"
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fi
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done
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# Check for extra files
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local extra=0
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for current in "$dir2"/*.png; do
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[ -e "$current" ] || continue
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local filename=$(basename "$current")
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local ref="$dir1/$filename"
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if [ ! -f "$ref" ]; then
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extra=$((extra + 1))
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echo " EXTRA: $filename (not in reference)"
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fi
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done
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echo ""
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echo " Results: $matching/$total matching, $different different, $missing missing, $extra extra"
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if [ "$different" -gt 0 ] || [ "$missing" -gt 0 ]; then
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log_error "$label: FAILED"
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return 1
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else
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log_success "$label: PASSED"
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return 0
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fi
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}
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# ============================================================================
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# Build Functions
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# ============================================================================
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build_native() {
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log_header "Building Native Test"
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log_step "Running scripts/build-gal-native-test.sh..."
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if "$SCRIPT_DIR/build-gal-native-test.sh"; then
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log_success "Native build succeeded"
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else
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log_error "Native build failed"
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exit 1
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fi
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}
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build_webgl() {
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log_header "Building WebGL Test"
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if [ ! -f "$SCRIPT_DIR/build-gal-webgl-test.sh" ]; then
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log_step "WebGL build script not found (Phase 2)"
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return 0
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fi
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# Check if we have the output already (built previously)
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local output_dir="$PROJECT_ROOT/tests/apps/gal-webgl"
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if [ -f "$output_dir/gal_webgl_test.js" ] && [ -f "$output_dir/gal_webgl_test.wasm" ]; then
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log_step "WebGL test already built, skipping rebuild"
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return 0
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fi
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# Check if Emscripten is available
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if ! command -v emcmake &> /dev/null; then
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log_step "Emscripten not available - WebGL build requires emsdk or Docker"
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log_step "Skipping WebGL build (run inside Docker or activate emsdk first)"
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return 0
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fi
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log_step "Running scripts/build-gal-webgl-test.sh..."
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if "$SCRIPT_DIR/build-gal-webgl-test.sh"; then
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log_success "WebGL build succeeded"
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else
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log_error "WebGL build failed (Emscripten may need Python 3.10+)"
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log_step "Try running inside Docker or with a compatible emsdk"
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return 0 # Don't fail the whole test, just skip WebGL
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fi
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}
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# ============================================================================
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# Run Functions
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# ============================================================================
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run_native() {
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log_header "Running Native Test"
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local native_exe="$NATIVE_BUILD_DIR/gal_native_test"
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if [ ! -f "$native_exe" ]; then
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log_error "Native test executable not found: $native_exe"
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log_step "Run build first: ./scripts/test-gal-regression.sh"
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exit 1
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fi
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# Create output directory
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mkdir -p "$NATIVE_OUTPUT_DIR"
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log_step "Running gal_native_test --output $NATIVE_OUTPUT_DIR"
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if "$native_exe" --output "$NATIVE_OUTPUT_DIR"; then
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local count=$(ls -1 "$NATIVE_OUTPUT_DIR"/*.png 2>/dev/null | wc -l | tr -d ' ')
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log_success "Native test completed: $count screenshots generated"
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else
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log_error "Native test failed"
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exit 1
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fi
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}
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run_webgl() {
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log_header "Running WebGL Test"
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local spec_file="$PROJECT_ROOT/tests/e2e/gal-webgl.spec.ts"
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if [ ! -f "$spec_file" ]; then
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log_step "WebGL test spec not found (Phase 2)"
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return 0
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fi
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# Create output directory
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mkdir -p "$WEBGL_OUTPUT_DIR"
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log_step "Running Playwright test..."
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cd "$PROJECT_ROOT/tests"
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if npx playwright test gal-webgl.spec.ts; then
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local count=$(ls -1 "$WEBGL_OUTPUT_DIR"/*.png 2>/dev/null | wc -l | tr -d ' ')
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log_success "WebGL test completed: $count screenshots generated"
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else
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log_error "WebGL test failed"
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exit 1
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fi
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cd "$PROJECT_ROOT"
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}
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# ============================================================================
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# Compare Functions
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# ============================================================================
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compare_native_vs_baseline() {
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log_header "Comparing Native vs Baseline"
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compare_screenshots "$BASELINE_DIR" "$NATIVE_OUTPUT_DIR" "native vs baseline"
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}
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compare_webgl_vs_native() {
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log_header "Comparing WebGL vs Native"
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if [ ! -d "$WEBGL_OUTPUT_DIR" ] || [ -z "$(ls -A "$WEBGL_OUTPUT_DIR" 2>/dev/null)" ]; then
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log_step "WebGL output not found (Phase 2)"
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return 0
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fi
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compare_screenshots "$NATIVE_OUTPUT_DIR" "$WEBGL_OUTPUT_DIR" "webgl vs native"
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}
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# ============================================================================
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# Main
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# ============================================================================
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log_header "GAL Regression Test Suite"
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echo "Project Root: $PROJECT_ROOT"
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echo "Baseline Dir: $BASELINE_DIR"
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echo "Output Dir: $OUTPUT_DIR"
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# Track overall status
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NATIVE_COMPARE_STATUS=0
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WEBGL_COMPARE_STATUS=0
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if [ "$COMPARE_ONLY" = false ]; then
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# Build phase
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if [ "$RUN_NATIVE" = true ]; then
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build_native
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fi
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if [ "$RUN_WEBGL" = true ]; then
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build_webgl
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fi
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# Run phase
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if [ "$RUN_NATIVE" = true ]; then
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run_native
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fi
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if [ "$RUN_WEBGL" = true ]; then
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run_webgl
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fi
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fi
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# Compare phase
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if [ "$RUN_NATIVE" = true ]; then
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if ! compare_native_vs_baseline; then
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NATIVE_COMPARE_STATUS=1
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fi
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fi
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if [ "$RUN_WEBGL" = true ]; then
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if ! compare_webgl_vs_native; then
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WEBGL_COMPARE_STATUS=1
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fi
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fi
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# Final summary
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log_header "Final Results"
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if [ "$NATIVE_COMPARE_STATUS" -eq 0 ]; then
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log_success "Native vs Baseline: PASSED"
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else
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log_error "Native vs Baseline: FAILED"
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fi
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if [ "$RUN_WEBGL" = true ]; then
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if [ -d "$WEBGL_OUTPUT_DIR" ] && [ -n "$(ls -A "$WEBGL_OUTPUT_DIR" 2>/dev/null)" ]; then
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if [ "$WEBGL_COMPARE_STATUS" -eq 0 ]; then
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log_success "WebGL vs Native: PASSED"
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else
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log_error "WebGL vs Native: FAILED"
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fi
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else
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echo "WebGL vs Native: SKIPPED (Phase 2)"
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fi
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fi
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# Exit status
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if [ "$NATIVE_COMPARE_STATUS" -ne 0 ] || [ "$WEBGL_COMPARE_STATUS" -ne 0 ]; then
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echo ""
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log_error "Some comparisons failed!"
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exit 1
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else
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echo ""
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log_success "All comparisons passed!"
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exit 0
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fi
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