igl | third-party | Replace a patch with a Python script

Reviewed By: xiendong

Differential Revision: D67150237

fbshipit-source-id: ea69f176892801f5335f24496dfd3389576fa1b4

third-party/bootstrap-deps.json

@@ -198,9 +198,8 @@
 {
     "name": "nanovg",
     "postprocess" : {
-        "type" : "patch",
-        "file" : "nanovg.patch",
-        "pnum" : "0"
+        "type": "script",
+        "file": "nanovg.py"
     },
     "source": {
         "type": "git",

third-party/deps/patches/nanovg.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+
+import os
+import shutil
+from pathlib import Path
+
+base_dir=os.getcwd()
+lib_dir=os.path.join(base_dir, "src", "nanovg")
+
+file = Path(os.path.join(lib_dir, "example/demo.c"))
+file.write_text(file.read_text()
+  .replace("#include <GLFW/glfw3.h>", "")
+  .replace("#define STB_IMAGE_WRITE_IMPLEMENTATION", "")
+  .replace("glReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, image);", "// glReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, image);")
+)
+
+file = Path(os.path.join(lib_dir, "example/perf.c"))
+file.write_text(file.read_text()
+  .replace("void startGPUTimer(GPUtimer* timer)",
+("""#if 0
+void startGPUTimer(GPUtimer* timer)
+"""))
+  .replace("void initGraph(PerfGraph* fps, int style, const char* name)",
+("""#endif
+
+void initGraph(PerfGraph* fps, int style, const char* name)
+"""))
+)
+
+