Merge branch 'Vulkan' #100

Author: tonsky

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 Added:
 
+- Vulkan support #100 via @Eatgrapes
 - `Path::fillWithPaint` #95 via @vladimirsamsonov
 - `Pixmap::erase`, `Pixmap implements IHasImageInfo` #101 via @Eatgrapes
 - `Color::premultiply`, `unpremultiply`, `makeLerpPM` #101 via @Eatgrapes

examples/vulkan/README.md

@@ -0,0 +1,23 @@
+# Skija Vulkan Example
+
+This example demonstrates how to use Skija with Vulkan.
+
+## Prerequisites
+
+- A Vulkan-capable GPU
+
+## Usage
+
+Key API used:
+
+```java
+DirectContext.makeVulkan(
+    vkInstance,
+    vkPhysicalDevice,
+    vkDevice,
+    vkQueue,
+    queueIndex,
+    vkGetInstanceProcAddr,
+    vkGetDeviceProcAddr
+);
+```

examples/vulkan/script/run.py

@@ -0,0 +1,57 @@
+#! /usr/bin/env python3
+import argparse, glob, os, subprocess, sys
+sys.path.append(os.path.normpath(os.path.dirname(__file__) + '/../../../script'))
+import common, build, build_utils
+
+def main():
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--skija-version')
+  parser.add_argument('--lwjgl-version', default='3.4.0')
+  (args, _) = parser.parse_known_args()
+
+  if (build_utils.arch == 'x64'):
+    lwjgl_classifier = "natives-" + build_utils.system
+  else:
+    lwjgl_classifier = "natives-" + common.classifier
+
+  classpath = common.deps_compile() + [
+    build_utils.fetch_maven('org.lwjgl', 'lwjgl', args.lwjgl_version),
+    build_utils.fetch_maven('org.lwjgl', 'lwjgl-glfw', args.lwjgl_version),
+    build_utils.fetch_maven('org.lwjgl', 'lwjgl-vulkan', args.lwjgl_version),
+    build_utils.fetch_maven('org.lwjgl', 'lwjgl', args.lwjgl_version, classifier=lwjgl_classifier),
+    build_utils.fetch_maven('org.lwjgl', 'lwjgl-glfw', args.lwjgl_version, classifier=lwjgl_classifier)
+  ]
+
+  if args.skija_version:
+    classpath += [
+      build_utils.fetch_maven('io.github.humbleui', 'skija-shared', args.skija_version),
+      build_utils.fetch_maven('io.github.humbleui', 'skija-' + common.classifier, args.skija_version),
+    ]
+  else:
+    build.main()
+    classpath += [
+      os.path.join('..', '..', 'platform', 'target', common.classifier, 'classes'),
+      os.path.join('..', '..', 'shared', 'target', 'classes-java9'),
+      os.path.join('..', '..', 'shared', 'target', 'classes')
+    ]
+
+  os.chdir(common.basedir + '/examples/vulkan')
+
+  sources = build_utils.files('src/**/*.java', '../scenes/src/**/*.java')
+  build_utils.javac(sources, 'target/classes', classpath = classpath, release = '16')
+
+  subprocess.check_call([
+    'java',
+    '--class-path', build_utils.classpath_join(['target/classes'] + classpath)]
+    + (['-XstartOnFirstThread'] if 'macos' == build_utils.system else [])
+    + ['-Djava.awt.headless=true',
+    '-enableassertions',
+    '-enablesystemassertions',
+    '-Xcheck:jni',
+    '-Dskija.logLevel=DEBUG',
+    'io.github.humbleui.skija.examples.vulkan.Main'])
+
+  return 0
+
+if __name__ == '__main__':
+  sys.exit(main())