Improve building and conditional declarations.

raylib-lua now manages properly `if defined` declarations.

Saphirefile.lua

@@ -32,10 +32,13 @@ local cflags = os.getenv "CFLAGS" or "-O2 -s"
 local ldflags = os.getenv "LDFLAGS" or "-O2 -s -lm"
 
 local modules = "raymath rlgl easings gestures physac raygui"
+local graphics = os.getenv "GRAPHICS" or "GRAPHICS_API_OPENGL_33"
 
 cflags = cflags .. " -Iluajit/src -Iraygui/src -Iraylib/src"
 ldflags = ldflags .. " luajit/src/libluajit.a raylib/src/libraylib.a luajit/src/libluajit.a"
 
+cflags = cflags .. " -D" .. graphics
+
 local exe_ldflags = ""
 
 if los.type() == "linux" then
@@ -102,7 +105,7 @@ local raylua_src = {
     }, true)
   end)
 }
-local raylua_obj = c.compile(raylua_src, cflags, "raylua", cc)
+local raylua_obj = c.compile(raylua_src, cflags .. " -D" .. graphics, "raylua", cc)
 
 local libraylua = c.lib("libraylua.a", raylua_obj, "raylua", ar)
 

build/buildRaylib.lua

@@ -23,7 +23,7 @@ local vars = saphire.map({
   { "RAYLIB_LIB_NAME", "raylib" },
   { "RAYLIB_RES_FILE", "./raylib.dll.rc.data" },
   { "PLATFORM", "PLATFORM_DESKTOP" },
-  { "GRAPHICS", "GRAPHICS_API_OPENGL_43" },
+  { "GRAPHICS", "GRAPHICS_API_OPENGL_33" },
   { "USE_EXTERNAL_GLFW", "FALSE" },
   { "USE_WAYLAND_DISPLAY", "FALSE" }
 }, function (v)

makefile

@@ -6,14 +6,16 @@ LUA ?= luajit/src/luajit
 
 WINDRES ?= windres
 
-CFLAGS += -Iluajit/src -Iraylib/src -Iraygui/src -DSUPPORT_COMPUTE_SHADERS
+CFLAGS += -Iluajit/src -Iraylib/src -Iraygui/src
 LDFLAGS += luajit/src/libluajit.a raylib/src/libraylib.a
 
 MODULES := raymath rlgl easings gestures physac raygui
 
 # raylib settings
 PLATFORM ?= PLATFORM_DESKTOP
-GRAPHICS ?= GRAPHICS_API_OPENGL_43
+GRAPHICS ?= GRAPHICS_API_OPENGL_33
+
+CFLAGS += -D$(GRAPHICS)
 
 USE_WAYLAND_DISPLAY ?= FALSE
 USE_EXTERNAL_GLFW ?= FALSE

tools/genbind.lua

@@ -31,11 +31,15 @@ local functions = {}
 local proto = {}
 
 local counter = 0
+local file = io.open(arg[1], "wb")
+local modules = { "api" }
+local funcname
 
 local custom_support = {
   ["rlgl"] = function (line)
     return line:gsub("([%s*]+)(rl%w+)", function (pre, part)
       functions[#functions + 1] = part
+      funcname = part
       counter = counter + 1
 
       if counter == 2 then
@@ -47,16 +51,29 @@ local custom_support = {
   end
 }
 
-local file = io.open(arg[1], "wb")
-local modules = { "api" }
-
 for i=2,#arg do
   modules[i] = arg[i]
 end
 
+file:write [[
+struct raylua_bind_entry {
+  const char *name;
+  const char *proto;
+  void *ptr;
+};
+
+struct raylua_bind_entry raylua_entries[] = {
+]]
+
 for _,modname in ipairs(modules) do
   for line in io.lines("tools/" .. modname .. ".h") do
-    if line:sub(0, 2) ~= "//" then
+    if line:sub(1, 2) ~= "//" then
+      if line:sub(1, 1) == "#" then
+        file:write("  " .. line .. "\n")
+      else
+        counter = 0
+        funcname = nil
+
         if custom_support[modname] then
           line = custom_support[modname](line)
         end
@@ -86,9 +103,10 @@ for _,modname in ipairs(modules) do
           end
 
           functions[#functions + 1] = part
+          funcname = part
           counter = counter + 1
 
-        if count == 2 then
+          if counter == 2 then
             print("WARN: Multiple matches for: " .. line)
           end
 
@@ -100,6 +118,13 @@ for _,modname in ipairs(modules) do
         line = line:gsub("(%w)%s+([(),*.])", function (a, b) return a .. b end)
 
         proto[#proto + 1] = line
+
+        if funcname and line then
+          file:write(string.format('  { "%s", "%s", &%s },\n', funcname, line, funcname))
+        elseif counter == 0 then
+          print("WARN: Invalid entry", funcname, line)
+        end
+      end
     end
   end
 end
@@ -107,22 +132,9 @@ end
 assert(#proto == #functions, "Mismatching proto and function count : " ..
   #proto .. " ~= " .. #functions)
 
-file:write [[
-struct raylua_bind_entry {
-  const char *name;
-  const char *proto;
-  void *ptr;
-};
+print(string.format("Bound %d functions.", #proto))
 
-struct raylua_bind_entry raylua_entries[] = {
-]]
-
-for i=1,#proto do
-  local name, proto = functions[i], proto[i]
-  file:write(string.format('{ "%s", "%s", &%s },\n', name, proto, name))
-end
-
-file:write '{ NULL, NULL, NULL },\n'
+file:write '  { NULL, NULL, NULL },\n'
 file:write "};\n"
 
 file:close()

tools/rlgl.h

@@ -27,6 +27,10 @@ void rlEnableVertexBufferElement(unsigned int id)
 void rlDisableVertexBufferElement(void)
 void rlEnableVertexAttribute(unsigned int index)
 void rlDisableVertexAttribute(unsigned int index)
+#if defined(GRAPHICS_API_OPENGL_11)
+void rlEnableStatePointer(int vertexAttribType, void *buffer)
+void rlDisableStatePointer(int vertexAttribType)
+#endif
 void rlActiveTextureSlot(int slot)
 void rlEnableTexture(unsigned int id)
 void rlDisableTexture(void)
@@ -116,6 +120,7 @@ void rlSetUniform(int locIndex, const void *value, int uniformType, int count)
 void rlSetUniformMatrix(int locIndex, Matrix mat)
 void rlSetUniformSampler(int locIndex, unsigned int textureId)
 void rlSetShader(unsigned int id, int *locs)
+#if defined(GRAPHICS_API_OPENGL_43)
 unsigned int rlLoadComputeShaderProgram(int shaderId)
 void rlComputeShaderDispatch(unsigned int groupX, unsigned int groupY, unsigned int groupZ)
 unsigned int rlLoadShaderBuffer(unsigned long long size, const void *data, int usageHint)
@@ -126,6 +131,7 @@ void rlReadShaderBufferElements(unsigned int id, void *dest, unsigned long long
 void rlBindShaderBuffer(unsigned int id, unsigned int index)
 void rlCopyBuffersElements(unsigned int destId, unsigned int srcId, unsigned long long destOffset, unsigned long long srcOffset, unsigned long long count)
 void rlBindImageTexture(unsigned int id, unsigned int index, unsigned int format, int readonly)
+#endif
 Matrix rlGetMatrixModelview(void)
 Matrix rlGetMatrixProjection(void)
 Matrix rlGetMatrixTransform(void)