mirror of
https://github.com/gnif/LookingGlass.git
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e0c1394c33
This prevents us from exceeding the minimum GL/EGL versions that we are targetting or forced to use indirection for due to lack of guarantee in the ABI.
153 lines
3.3 KiB
Bash
Executable File
153 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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SCRIPT_DIR="$(cd -- "$(dirname "${BASH_SOURCE[0]}")" &> /dev/null && pwd)"
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WAYLAND_SHELL="${WAYLAND_SHELL:-xdg-shell}"
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CLANG_QUERY="${CLANG_QUERY:-clang-query}"
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BUILD_DIR="${BUILD_DIR:-$SCRIPT_DIR/client/build}"
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case "$WAYLAND_SHELL" in
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xdg-shell) shell_ignore=shell_libdecor.c ;;
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libdecor) shell_ignore=shell_xdg.c ;;
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*)
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echo "Unknown Wayland shell: $WAYLAND_SHELL"
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exit 1
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esac
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if ! command -v "$CLANG_QUERY" &> /dev/null; then
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echo "clang-query is not installed"
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exit 1
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fi
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if [ ! -f "$BUILD_DIR/compile_commands.json" ]; then
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echo "compile_commands.json not found in $BUILD_DIR"
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echo 'Run cmake with -DCMAKE_EXPORT_COMPILE_COMMANDS=ON to enable'
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exit 1
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fi
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tempdir="$(mktemp -d)"
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cleanup() {
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rm -rf "$tempdir"
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}
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trap cleanup EXIT
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sed '/EGL_VERSION_1_5/,$d' /usr/include/EGL/egl.h > "$tempdir/egl1.4.h"
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getCalls() {
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query="$1"
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dir="$2"
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command=(find "$dir" -name '*.c')
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if [ $# -gt 2 ]; then
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command+=(-not)
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shift 2
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for exclude in "$@"; do
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command+=(-name "$exclude")
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done
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fi
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cat > "$tempdir/query" <<EOF
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set output print
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set bind-root false
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m callExpr(callee(functionDecl(matchesName("::$query")).bind("func")))
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EOF
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"${command[@]}" -exec "$CLANG_QUERY" -p "$BUILD_DIR/compile_commands.json" -f "$tempdir/query" {} + | \
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grep -Po "(?<= )\b$query(?=\()" | sort -u
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}
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checkCalls() {
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name="$1"
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file="$2"
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standard="$3"
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while read -r func; do
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if ! grep -q "$func" "$file"; then
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echo "Found $func in $name, which is not in $standard"
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fails=$((fails+1))
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fi
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done
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}
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getGLCalls() {
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getCalls 'gl[A-WYZ]\w*' "$@"
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}
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getEGLCalls() {
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getCalls 'egl[A-Z]\w*' "$@"
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}
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getGLXCalls() {
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getCalls 'glX\w+' "$@"
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}
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checkGLESCalls() {
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name="$1"
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shift
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checkCalls "$name" /usr/include/GLES3/gl3.h 'OpenGL ES 3.0' < <(getGLCalls "$@")
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}
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checkEGLCalls() {
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name="$1"
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shift
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checkCalls "$name" "$tempdir/egl1.4.h" 'EGL 1.4' < <(getEGLCalls "$@")
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}
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checkGLCalls() {
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name="$1"
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shift
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checkCalls "$name" /usr/include/GL/gl.h 'OpenGL 1.3' < <(getGLCalls "$@")
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}
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checkGLXCalls() {
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name="$1"
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shift
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checkCalls "$name" /usr/include/GL/glx.h 'GLX 1.3' < <(getGLXCalls "$@")
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}
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forbidCalls() {
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name="$1"
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while read -r func; do
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echo "Found $func in $name, which is forbidden"
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fails=$((fails+1))
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done
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}
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forbidEGLCalls() {
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name="$1"
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shift
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forbidCalls "$name" < <(getEGLCalls "$@")
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}
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forbidGLXCalls() {
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name="$1"
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shift
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forbidCalls "$name" < <(getGLXCalls "$@")
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}
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forbidGLCalls() {
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name="$1"
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shift
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forbidCalls "$name" < <(getGLCalls "$@")
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}
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fails=0
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checkGLESCalls 'EGL backend' client/renderers/EGL
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checkEGLCalls 'EGL backend' client/renderers/EGL
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forbidGLXCalls 'EGL backend' client/renderers/EGL
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checkGLCalls 'OpenGL backend' client/renderers/OpenGL
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forbidGLXCalls 'OpenGL backend' client/renderers/OpenGL
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checkGLXCalls 'X11 display server' client/displayservers/X11
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forbidGLCalls 'X11 display server' client/displayservers/X11
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checkEGLCalls 'Wayland display server' client/displayservers/Wayland "$shell_ignore"
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forbidGLCalls 'Wayland display server' client/displayservers/Wayland "$shell_ignore"
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forbidGLXCalls 'Wayland display server' client/displayservers/Wayland "$shell_ignore"
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if [ "$fails" -eq 0 ]; then
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echo 'All GL function calls look fine.'
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else
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echo 'Use indirection for the listed GL function calls.'
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exit 1
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fi
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