Delegate extensions to the right implementation based on client version.

src/GLES2/libEGL/libEGL.cpp

@@ -1189,7 +1189,17 @@ __eglMustCastToProperFunctionPointerType EGLAPIENTRY eglGetProcAddress(const cha
             }
         }
 
-		return gl2::getProcAddress(procname);
+		if(gl2::getProcAddress != 0)
+		{
+			__eglMustCastToProperFunctionPointerType proc = gl2::getProcAddress(procname);
+			if(proc) return proc;
+		}
+
+		if(gl::getProcAddress != 0)
+		{
+			__eglMustCastToProperFunctionPointerType proc =  gl::getProcAddress(procname);
+			if(proc) return proc;
+		}
     }
     catch(std::bad_alloc&)
     {

src/GLES2/libGLESv2/libGLESv2.cpp

@@ -6088,7 +6088,7 @@ void GL_APIENTRY glTexImage3DOES(GLenum target, GLint level, GLenum internalform
 
     try
     {
-        UNIMPLEMENTED();   // FIXME
+		UNIMPLEMENTED();   // FIXME
     }
     catch(std::bad_alloc&)
     {
@@ -6098,6 +6098,12 @@ void GL_APIENTRY glTexImage3DOES(GLenum target, GLint level, GLenum internalform
 
 void GL_APIENTRY glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image)
 {
+	if(egl::getClientVersion() == 1)
+	{
+		static PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES = (PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)gl::getProcAddress("glEGLImageTargetTexture2DOES");
+		return glEGLImageTargetTexture2DOES(target, image);
+	}
+
     TRACE("(GLenum target = 0x%X, GLeglImageOES image = 0x%0.8p)", target, image);
 
     try

src/GLES2/libGLESv2/main.cpp

@@ -53,6 +53,15 @@ CONSTRUCTOR static bool glAttachProcess()
 	egl::getCurrentContext = (egl::Context *(*)())getProcAddress(libEGL, "eglGetCurrentContext");
 	egl::getCurrentDisplay = (egl::Display *(*)())getProcAddress(libEGL, "eglGetCurrentDisplay");
 
+	#if defined(_WIN32)
+	const char *libGLES_CM_lib = "libGLES_CM.dll";
+	#else
+	const char *libGLES_CM_lib = "libGLES_CM.so.1";
+	#endif
+
+	libGLES_CM = loadLibrary(libGLES_CM_lib);
+	gl::getProcAddress = (__eglMustCastToProperFunctionPointerType (*)(const char*))getProcAddress(libGLES_CM, "glGetProcAddress");
+
     return libEGL != 0;
 }
 
@@ -62,6 +71,7 @@ DESTRUCTOR static void glDetachProcess()
 
 	glDetachThread();
 	freeLibrary(libEGL);
+	freeLibrary(libGLES_CM);
 }
 
 #if defined(_WIN32)
@@ -116,6 +126,16 @@ Device *getDevice()
 }
 }
 
+namespace egl
+{
+GLint getClientVersion()
+{
+	Context *context = egl::getCurrentContext();
+
+    return context ? context->getClientVersion() : 0;
+}
+}
+
 // Records an error code
 void error(GLenum errorCode)
 {
@@ -156,4 +176,10 @@ namespace egl
 	egl::Display *(*getCurrentDisplay)() = 0;
 }
 
-void *libEGL = 0;   // Handle to the libEGL module
\ No newline at end of file
+namespace gl
+{
+	__eglMustCastToProperFunctionPointerType (*getProcAddress)(const char *procname) = 0;
+}
+
+void *libEGL = 0;   // Handle to the libEGL module
+void *libGLES_CM = 0;   // Handle to the libGLES_CM module

src/GLES2/libGLESv2/main.h

@@ -30,6 +30,11 @@ namespace gl2
 	Device *getDevice();
 }
 
+namespace egl
+{
+	GLint getClientVersion();
+}
+
 void error(GLenum errorCode);
 
 template<class T>
@@ -47,6 +52,13 @@ namespace egl
 	extern egl::Display *(*getCurrentDisplay)();
 }
 
-extern void *libEGL;   // Handle to the libEGL module
+// libGLES_CM dependencies
+namespace gl
+{
+	extern __eglMustCastToProperFunctionPointerType (*getProcAddress)(const char *procname);
+}
+
+extern void *libEGL;       // Handle to the libEGL module
+extern void *libGLES_CM;   // Handle to the libGLES_CM module
 
 #endif   // LIBGLESV2_MAIN_H_