Add sdl gpu and refactor some code

nim.cfg

@@ -1 +1 @@
--d:SDL_DL -d:SDL_Static -d:SDL_image_Static -d:SDL_mixer_Static -d:SDL_net_Static -d:SDL_ttf_Static -d:SDL_image_DL -d:SDL_mixer_DL -d:SDL_net_DL -d:SDL_ttf_DL
+-d:SDL_DL -d:SDL_Static -d:SDL_image_Static -d:SDL_mixer_Static -d:SDL_net_Static -d:SDL_ttf_Static -d:SDL_gpu_Static -d:SDL_image_DL -d:SDL_mixer_DL -d:SDL_net_DL -d:SDL_ttf_DL -d:SDL_gpu_Git

src/nim_sdl2/wrapper.nim

@@ -3,7 +3,8 @@ import nimterop/[cimport, build]
 
 const
   baseDir = currentSourcePath.parentDir().parentDir().parentDir()
-  srcDir = baseDir/"build"/"sdl2"
+  srcDir = baseDir / "build" / "sdl2"
+  buildDir = srcDir / "buildcache"
 
 getHeader(
   "SDL.h",
@@ -149,3 +150,18 @@ when defined(SDL_Static):
   cImport(SDL_Path, recurse = true)
 else:
   cImport(SDL_Path, recurse = true, dynlib = "SDL_LPath")
+
+proc getDynlibExt(): string =
+  when defined(windows):
+    result = ".dll"
+  elif defined(linux):
+    result = ".so[0-9.]*"
+  elif defined(macosx):
+    result = ".dylib[0-9.]*"
+
+proc findDynlib(): string =
+  const pathRegex = "(lib)?SDL2[_-]?(static)?[0-9.\\-]*\\" & getDynlibExt()
+  return findFile(pathRegex, buildDir, regex = true)
+
+const SDLDyLibPath* = findDynlib()
+const SDLMainLib* = buildDir / "libSDL2main.a"

src/nim_sdl2_gpu/wrapper.nim

@@ -0,0 +1,118 @@
+import os, strformat
+import ../nim_sdl2/wrapper
+import nimterop/[build, cimport]
+
+const
+  baseDir = currentSourcePath.parentDir().parentDir().parentDir()
+  buildDir = baseDir / "build"
+  sdlDir = buildDir / "sdl2"
+  sdlIncludeDir = sdlDir / "include"
+  cmakeModPath = baseDir / "cmake" / "sdl2"
+  srcDir = buildDir / "sdl2_gpu"
+
+getHeader(
+  "SDL_gpu.h",
+  giturl = "https://github.com/grimfang4/sdl-gpu",
+  outdir = srcDir,
+  altNames = "SDL2_gpu",
+  cmakeFlags = &"-DCMAKE_C_FLAGS=-I{sdlIncludeDir} -DCMAKE_MODULE_PATH={cmakeModPath} -DSDL2_LIBRARY={SDLDyLibPath} " &
+               &"-DSDL2MAIN_LIBRARY={SDLMainLib} -DSDL2_PATH={sdlDir} -DSDL2_INCLUDE_DIR={sdlIncludeDir} -DSDL_gpu_BUILD_DEMOS=OFF"
+)
+
+static:
+  cDebug()
+  cDisableCaching()
+
+cOverride:
+  type
+    LogLevelEnum* = enum
+      LOG_LEVEL_INFO = 0
+      LOG_LEVEL_WARNING
+      LOG_LEVEL_ERROR
+
+cPlugin:
+  import strutils, nre
+  import sets
+
+  const EVENT_TYPES = toHashSet([
+    "FIRSTEVENT",
+    "QUIT",
+    "APP_TERMINATING",
+    "APP_LOWMEMORY",
+    "APP_WILLENTERBACKGROUND",
+    "APP_DIDENTERBACKGROUND",
+    "APP_WILLENTERFOREGROUND",
+    "APP_DIDENTERFOREGROUND",
+    "DISPLAYEVENT",
+    "WINDOWEVENT",
+    "SYSWMEVENT",
+    "KEYDOWN",
+    "KEYUP",
+    "TEXTEDITING",
+    "TEXTINPUT",
+    "KEYMAPCHANGED",
+    "MOUSEMOTION",
+    "MOUSEBUTTONDOWN",
+    "MOUSEBUTTONUP",
+    "MOUSEWHEEL",
+    "JOYAXISMOTION",
+    "JOYBALLMOTION",
+    "JOYHATMOTION",
+    "JOYBUTTONDOWN",
+    "JOYBUTTONUP",
+    "JOYDEVICEADDED",
+    "JOYDEVICEREMOVED",
+    "CONTROLLERAXISMOTION",
+    "CONTROLLERBUTTONDOWN",
+    "CONTROLLERBUTTONUP",
+    "CONTROLLERDEVICEADDED",
+    "CONTROLLERDEVICEREMOVED",
+    "CONTROLLERDEVICEREMAPPED",
+    "FINGERDOWN",
+    "FINGERUP",
+    "FINGERMOTION",
+    "DOLLARGESTURE",
+    "DOLLARRECORD",
+    "MULTIGESTURE",
+    "CLIPBOARDUPDATE",
+    "DROPFILE",
+    "DROPTEXT",
+    "DROPBEGIN",
+    "DROPCOMPLETE",
+    "AUDIODEVICEADDED",
+    "AUDIODEVICEREMOVED",
+    "SENSORUPDATE",
+    "RENDER_TARGETS_RESET",
+    "RENDER_DEVICE_RESET",
+    "USEREVENT",
+    "LASTEVENT",
+  ])
+
+  # Symbol renaming examples
+  proc onSymbol*(sym: var Symbol) {.exportc, dynlib.} =
+    # Remove prefixes or suffixes from procs
+    sym.name = sym.name.replace(re"^GPU_", "")
+
+    if sym.kind == nskProc or sym.kind == nskType or sym.kind == nskConst:
+      if sym.name != "_":
+        sym.name = sym.name.strip(chars = {'_'})
+
+    sym.name = sym.name.replace(re"^SDL_", "")
+
+    if sym.name.startsWith("SDLK_"):
+      sym.name = sym.name.replace("SDLK_", "KEYCODE_")
+
+    if EVENT_TYPES.contains(sym.name):
+      sym.name = "EVENT_" & sym.name
+
+    if sym.name == "ThreadID":
+      sym.name = "CurrentThreadID"
+    if sym.name == "GLContextResetNotification":
+      sym.name = "GLContextResetNotificationEnum"
+    if sym.name == "KeyCode":
+      sym.name = "KeyCodeEnum"
+
+when defined(SDL_gpu_Static):
+  cImport(SDL_gpuPath, recurse = true, flags = &"-I={sdlIncludeDir} -f=ast2")
+else:
+  cImport(SDL_gpuPath, recurse = true, dynlib = "SDL_gpuLPath", flags = &"-I={sdlIncludeDir} -f=ast2")

src/nim_sdl2_image/wrapper.nim

@@ -106,7 +106,7 @@ cPlugin:
       sym.name = "KeyCodeEnum"
 
 
-when defined(SDL_Static):
+when defined(SDL_image_Static):
-  cImport(SDL_image_Path, recurse = false, flags = &"-I={sdlIncludeDir}")
+  cImport(SDL_image_Path, recurse = false, flags = &"-I={sdlIncludeDir} -f=ast2")
 else:
-  cImport(SDL_image_Path, recurse = false, dynlib = "SDL_image_LPath", flags = &"-I={sdlIncludeDir}")
+  cImport(SDL_image_Path, recurse = false, dynlib = "SDL_image_LPath", flags = &"-I={sdlIncludeDir} -f=ast2")

src/nim_sdl2_mixer/wrapper.nim

@@ -104,7 +104,7 @@ cPlugin:
     if sym.name == "KeyCode":
       sym.name = "KeyCodeEnum"
 
-when defined(SDL_Static):
+when defined(SDL_mixer_Static):
-  cImport(SDL_mixer_Path, recurse = false, flags = &"-I={sdlIncludeDir}")
+  cImport(SDL_mixer_Path, recurse = false, flags = &"-I={sdlIncludeDir} -f=ast2")
 else:
-  cImport(SDL_mixer_Path, recurse = false, dynlib = "SDL_mixer_LPath", flags = &"-I={sdlIncludeDir}")
+  cImport(SDL_mixer_Path, recurse = false, dynlib = "SDL_mixer_LPath", flags = &"-I={sdlIncludeDir} -f=ast2")

src/nim_sdl2_net/wrapper.nim

@@ -106,9 +106,9 @@ cPlugin:
       sym.name = "KeyCodeEnum"
 
 
-when defined(SDL_Static):
+when defined(SDL_net_Static):
-  cImport(SDL_net_Path, recurse = false, flags = &"-I={sdlIncludeDir}")
+  cImport(SDL_net_Path, recurse = false, flags = &"-I={sdlIncludeDir} -f=ast2")
-  cImport(srcDir / "SDLnetsys.h", recurse = false, flags = &"-I={sdlIncludeDir}")
+  cImport(srcDir / "SDLnetsys.h", recurse = false, flags = &"-I={sdlIncludeDir} -f=ast2")
 else:
-  cImport(SDL_net_Path, recurse = false, dynlib = "SDL_net_LPath", flags = &"-I={sdlIncludeDir}")
+  cImport(SDL_net_Path, recurse = false, dynlib = "SDL_net_LPath", flags = &"-I={sdlIncludeDir} -f=ast2")
-  cImport(srcDir / "SDLnetsys.h", recurse = false, flags = &"-I={sdlIncludeDir}")
+  cImport(srcDir / "SDLnetsys.h", recurse = false, flags = &"-I={sdlIncludeDir} -f=ast2")

src/nim_sdl2_ttf/wrapper.nim

@@ -15,7 +15,8 @@ getHeader(
   dlurl = "https://www.libsdl.org/projects/SDL_ttf/release/SDL2_ttf-2.0.15.tar.gz",
   outdir = srcDir,
   altNames = "SDL2_ttf",
-  cmakeFlags = &"-DCMAKE_C_FLAGS=-I{sdlIncludeDir} -DCMAKE_MODULE_PATH={cmakeModPath} -DSDL2_LIBRARY=2.0.12 -DSDL2_PATH={sdlDir}"
+  cmakeFlags = &"-DCMAKE_C_FLAGS=-I{sdlIncludeDir} -DCMAKE_MODULE_PATH={cmakeModPath} " &
+               &"-DSDL2MAIN_LIBRARY={SDLMainLib} -DSDL2_LIBRARY={SDLDyLibPath} -DSDL2_PATH={sdlDir}"
 )
 
 # static:
@@ -107,7 +108,7 @@ cPlugin:
     if sym.name == "KeyCode":
       sym.name = "KeyCodeEnum"
 
-when defined(SDL_Static):
+when defined(SDL_ttf_Static):
-  cImport(SDL_ttf_Path, recurse = false, flags = &"-I={sdlIncludeDir}")
+  cImport(SDL_ttf_Path, recurse = false, flags = &"-I={sdlIncludeDir} -f=ast2")
 else:
-  cImport(SDL_ttf_Path, recurse = false, dynlib = "SDL_ttf_LPath", flags = &"-I={sdlIncludeDir}")
+  cImport(SDL_ttf_Path, recurse = false, dynlib = "SDL_ttf_LPath", flags = &"-I={sdlIncludeDir} -f=ast2")

src/sdl2_all.nim

@@ -0,0 +1,13 @@
+import sdl2
+import sdl2_gpu
+import sdl2_image
+import sdl2_mixer
+import sdl2_net
+import sdl2_ttf
+
+export sdl2
+export sdl2_gpu
+export sdl2_image
+export sdl2_mixer
+export sdl2_net
+export sdl2_ttf

src/sdl2_gpu.nim

@@ -0,0 +1,2 @@
+import nim_sdl2_gpu / wrapper
+export wrapper