resources: optionally link them into our binary

To enable, set skia_embed_resources=true in args.gn.

Also add *-EmbededResouces bots.

Change-Id: Ia69b26e926a3ad4676a4fa021894432ea2104538
Reviewed-on: https://skia-review.googlesource.com/82626
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>

2 files changed, 33 insertions, 0 deletions

diff --git a/tools/BinaryAsset.h b/tools/BinaryAsset.h
new file mode 100644
index 0000000000..6fb7157596
--- /dev/null
+++ b/tools/BinaryAsset.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#ifndef BinaryAsset_DEFINED
+#define BinaryAsset_DEFINED
+
+#include <cstddef>
+
+struct BinaryAsset {
+    const char* name;
+    const void* data;
+    size_t len;
+};
+
+#endif  // BinaryAsset_DEFINED
diff --git a/tools/Resources.cpp b/tools/Resources.cpp
index 6436a0ddb8..9d54026986 100644
--- a/tools/Resources.cpp
+++ b/tools/Resources.cpp
@@ -5,6 +5,7 @@
  * found in the LICENSE file.
  */
 
+#include "BinaryAsset.h"
 #include "Resources.h"
 #include "SkBitmap.h"
 #include "SkCommandLineFlags.h"
@@ -40,6 +41,19 @@ std::unique_ptr<SkStreamAsset> GetResourceAsStream(const char* resource) {
                 : nullptr;
 }
 
+#ifdef SK_EMBED_RESOURCES
+extern BinaryAsset gResources[];
+sk_sp<SkData> GetResourceAsData(const char* resource) {
+    for (const BinaryAsset* ptr = gResources; ptr->name; ++ptr) {
+        if (0 == strcmp(resource, ptr->name)) {
+            return SkData::MakeWithoutCopy(ptr->data, ptr->len);
+        }
+    }
+    SkDebugf("Resource \"%s\" not found.\n", resource);
+    SK_ABORT("missing resource");
+    return nullptr;
+}
+#else
 sk_sp<SkData> GetResourceAsData(const char* resource) {
     auto data = SkData::MakeFromFileName(GetResourcePath(resource).c_str());
     if (!data) {
@@ -47,6 +61,7 @@ sk_sp<SkData> GetResourceAsData(const char* resource) {
     }
     return data;
 }
+#endif
 
 sk_sp<SkTypeface> MakeResourceAsTypeface(const char* resource) {
     std::unique_ptr<SkStreamAsset> stream(GetResourceAsStream(resource));