Add vkrun, use it in worker_vk (#91)

* Add vkrun, use it in worker_vk

* Force-stop the app whenever something goes wrong

python/src/main/python/drivers/vkrun.py

@@ -0,0 +1,179 @@
+#!/usr/bin/env python3
+
+# Copyright 2018 The GraphicsFuzz Project Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import argparse
+import os
+import subprocess
+import time
+
+################################################################################
+# Constants
+
+LOGFILE = 'vklog.txt'
+TIMEOUT_RUN = 30
+
+################################################################################
+# Common
+
+# prepare_shader translates a shader to binary spir-v
+# shader.frag -> shader.frag.spv
+# shader.vert -> shader.vert.spv
+# shader.frag.asm -> shader.frag.spv
+# shader.vert.asm -> shader.vert.spv
+def prepare_shader(shader):
+    assert(os.path.exists(shader))
+
+    # Translate shader to spv
+    output = ''
+    if shader[-5:] == '.frag' or shader[-5:] == '.vert':
+        output = shader + '.spv'
+        cmd = 'glslangValidator -V ' + shader + ' -o ' + output
+        subprocess.check_call(cmd, shell=True, timeout=TIMEOUT_RUN)
+    elif shader[-9:] == '.frag.asm' or shader[-9:] == '.vert.asm':
+        output = shader.replace('.asm', '.spv')
+        cmd = 'spirv-as ' + shader + ' -o ' + output
+        subprocess.check_call(cmd, shell=True, timeout=TIMEOUT_RUN)
+    else:
+        assert(shader[-4:] == '.spv')
+        output = shader
+
+    return output
+
+################################################################################
+# Linux
+
+def run_linux(vert, frag, json):
+    assert(os.path.exists(vert))
+    assert(os.path.exists(frag))
+    assert(os.path.exists(json))
+    cmd = 'vkworker ' + vert + ' ' + frag + ' ' + json + ' > ' + LOGFILE
+    subprocess.run(cmd, shell=True, timeout=TIMEOUT_RUN)
+
+################################################################################
+# Android
+
+ANDROID_SDCARD = '/sdcard/graphicsfuzz'
+ANDROID_APP = 'com.graphicsfuzz.vkworker'
+TIMEOUT_APP = 30
+
+def adb(adbargs):
+
+    adbcmd = 'adb ' + adbargs
+
+    try:
+        p = subprocess.run(adbcmd, shell=True, timeout=TIMEOUT_RUN, stdout=subprocess.PIPE, universal_newlines=True)
+    except subprocess.TimeoutExpired as err:
+        print('ERROR: adb command timed out: ' + err.cmd)
+        return err
+    else:
+        return p
+
+def run_android(vert, frag, json):
+    assert(os.path.exists(vert))
+    assert(os.path.exists(frag))
+    assert(os.path.exists(json))
+
+    adb('shell rm -rf ' + ANDROID_SDCARD)
+    adb('shell mkdir -p ' + ANDROID_SDCARD)
+    adb('push ' + vert + ' ' + ANDROID_SDCARD + '/test.vert.spv')
+    adb('push ' + frag + ' ' + ANDROID_SDCARD + '/test.frag.spv')
+    adb('push ' + json + ' ' + ANDROID_SDCARD + '/test.json')
+    adb('logcat -c')
+    adb('shell am start ' + ANDROID_APP + '/android.app.NativeActivity')
+
+    # Busy wait
+    deadline = time.time() + TIMEOUT_APP
+    crash = False
+    done = False
+
+    while time.time() < deadline:
+
+        # Begin the busy-wait loop by sleeping to let the app start
+        # properly. The 'adb shell am start' may return before the app is
+        # actually started (this is all asynchronous), in which case we may not
+        # be able to detect the app pid.
+        time.sleep(0.1)
+
+        retcode = adb('shell test -f /sdcard/graphicsfuzz/DONE').returncode
+        if retcode == 0:
+            done = True
+            break
+
+        retcode = adb('shell pidof ' + ANDROID_APP + ' > /dev/null').returncode
+        if retcode == 1:
+
+            # double check that no DONE file is present
+            retcode = adb('shell test -f /sdcard/graphicsfuzz/DONE').returncode
+            if retcode == 0:
+                done = True
+                break
+
+            # No pid, and no DONE file, this looks like a crash indeed.
+            crash = True
+            break
+
+    # Grab log
+    adb('logcat -d > ' + LOGFILE)
+
+    with open(LOGFILE, 'a') as f:
+        if done:
+            f.write('\nGFZVK DONE\n')
+        else:
+            # Something went wrong, make sure to stop the app in any case
+            adb('shell am force-stop ' + ANDROID_APP)
+            if crash:
+                f.write('\nGFZVK CRASH\n')
+            else:
+                f.write('\nGFZVK TIMEOUT\n')
+
+    # Grab image if present
+    imagepath = ANDROID_SDCARD + '/image.png'
+    retcode = adb('shell test -f ' + imagepath).returncode
+    if retcode == 0:
+        adb('pull ' + imagepath)
+
+################################################################################
+# Main
+
+if __name__ == '__main__':
+
+    desc='Run shaders on vulkan worker. Output: ' + LOGFILE + ', image.png'
+
+    parser = argparse.ArgumentParser(description=desc)
+
+    group = parser.add_mutually_exclusive_group()
+    group.add_argument('-a', '--android', action='store_true', help='Render on Android')
+    group.add_argument('-s', '--serial', help='Android device serial ID. Implies --android')
+    group.add_argument('-l', '--linux', action='store_true', help='Render on Linux')
+
+    parser.add_argument('vert', help='Vertex shader: shader.vert[.asm|.spv]')
+    parser.add_argument('frag', help='Fragment shader: shader.frag[.asm|.spv]')
+    parser.add_argument('json', help='Uniforms values')
+
+    args = parser.parse_args()
+
+    vert = prepare_shader(args.vert)
+    frag = prepare_shader(args.frag)
+
+    if args.serial:
+        os.environ['ANDROID_SERIAL'] = args.serial
+        run_android(vert, frag, args.json)
+
+    if args.android:
+        run_android(vert, frag, args.json)
+
+    if args.linux:
+        run_linux(vert, frag, args.json)