From 8c45a1eaa641284f8533af67c706b3cb2c69c2e1 Mon Sep 17 00:00:00 2001
From: mittorn <mittorn@sibmail.com>
Date: Thu, 16 Feb 2017 18:35:38 +0600
Subject: [PATCH] Force SDL for early iOS port

---
 nanoWrap.cpp |  6 +++---
 nanogl.cpp   | 15 ++++++++-------
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/nanoWrap.cpp b/nanoWrap.cpp
index b46b4c7..420ea78 100644
--- a/nanoWrap.cpp
+++ b/nanoWrap.cpp
@@ -166,7 +166,7 @@ static struct nanotmuState tmuInitState =
 
 static struct nanotmuState *activetmuState = &tmuState0;
 
-extern "C++" GlESInterface *glEsImpl;
+extern GlESInterface *glEsImpl;
 
 static GLenum wrapperPrimitiveMode = GL_QUADS;
 GLboolean useTexCoordArray         = GL_FALSE;
@@ -2099,7 +2099,7 @@ void glDrawArrays( GLenum mode, GLint first, GLsizei count )
 {
     glEsImpl->glNormalPointer( type, stride, ptr );
 }*/
-
+/*
 void glCopyTexSubImage2D( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height )
 {
 	FlushOnStateChange( );
@@ -2157,4 +2157,4 @@ void glRenderbufferStorage( GLenum target, GLenum internalformat, GLsizei width,
 {
 	FlushOnStateChange( );
 	glEsImpl->glRenderbufferStorage( target, internalformat, width, height );
-}
+}*/
diff --git a/nanogl.cpp b/nanogl.cpp
index 9af6d1d..90cf802 100644
--- a/nanogl.cpp
+++ b/nanogl.cpp
@@ -86,6 +86,7 @@ static char const *const gl_names[] = {
 
 static void *glesLib = NULL;
 
+extern "C++" GlESInterface *glEsImpl;
 GlESInterface *glEsImpl = NULL;
 
 extern void InitGLStructs( );
@@ -134,7 +135,7 @@ static int CreateGlEsInterface( const char *name, void *lib, void *lib1, void *d
 	{
 		void *f;
 
-		f = dlsym( lib, *api ); // try libGLESxx_CM.so
+        f = SDL_GL_GetProcAddress(*api);//dlsym( lib, *api ); // try libGLESxx_CM.so
 
 #ifdef USE_CORE_PROFILE
 		// Hack: try ARB and EXT suffix
@@ -151,7 +152,7 @@ static int CreateGlEsInterface( const char *name, void *lib, void *lib1, void *d
 			f = dlsym( lib, namearb );
 		}
 #endif
-		if ( f == NULL )
+		/*if ( f == NULL )
 		{
 			LOGW( "<%s> not found in %s. Trying libEGL.so.", *api, name ); //driver);
 
@@ -182,7 +183,7 @@ static int CreateGlEsInterface( const char *name, void *lib, void *lib1, void *d
 					f = (void *)default_func;
 			}
 		}
-		else
+		else*/
 		{
 			LOGD( "<%s> @ 0x%p\n", *api, f );
 		}
@@ -266,13 +267,13 @@ int nanoGL_Init( )
 	const char *lib1 = "libGLESv1_CM.so"; // Has both gl* & egl* funcs SDK < 1.5
 	const char *lib2 = "libGLESv2.so";    // Only gl* funcs SDK >= 1.5
 	const char *lib3 = "libEGL.so";       // Only egl* funcs SDK >= 1.5
-	const char *driver;
+	const char *driver = NULL;
 
 	// load lib
 	LOGI( "nanoGL: Init loading driver %s\n", lib1 );
 	//LOG (ANDROID_LOG_DEBUG, LOG_TAG, "nanoGL: Init loading driver %s\n", lib1);
 
-	if ( !loadDriver( lib1 ) )
+	/*if ( !loadDriver( lib1 ) )
 	{
 		LOGE( "Failed to load driver %s. Trying %s\n", lib1, lib2 );
 
@@ -285,7 +286,7 @@ int nanoGL_Init( )
 			driver = lib2;
 	}
 	else
-		driver = lib1;
+		driver = lib1;*/
 
 	void *eglLib;
 
@@ -302,7 +303,7 @@ int nanoGL_Init( )
 
 	// Load API gl* for 1.5+  else egl* gl*
 	//if (CreateGlEsInterface(driver, glesLib, eglLib, NULL) == -1)
-	if ( !CreateGlEsInterface( driver, glesLib, eglLib, (void *)gl_unimplemented ) == -1 )
+	if ( !CreateGlEsInterface( driver, 0, 0, (void *)gl_unimplemented ) == -1 )
 	{
 		// release lib
 		LOGE( "CreateGlEsInterface failed." );
-- 
2.29.2