diff --git a/libretro-common/glsm/glsm.c b/libretro-common/glsm/glsm.c
index 65cbd495aa..9ed00c867e 100644
--- a/libretro-common/glsm/glsm.c
+++ b/libretro-common/glsm/glsm.c
@@ -1139,6 +1139,46 @@ void rglBlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha)
    glBlendEquationSeparate(modeRGB, modeAlpha);
 }
 
+/*
+ *
+ * Core in:
+ * OpenGL    : 2.0 
+ * OpenGLES  : 3.2
+ */
+void rglCopyImageSubData( 	GLuint srcName,
+  	GLenum srcTarget,
+  	GLint srcLevel,
+  	GLint srcX,
+  	GLint srcY,
+  	GLint srcZ,
+  	GLuint dstName,
+  	GLenum dstTarget,
+  	GLint dstLevel,
+  	GLint dstX,
+  	GLint dstY,
+  	GLint dstZ,
+  	GLsizei srcWidth,
+  	GLsizei srcHeight,
+  	GLsizei srcDepth)
+{
+#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES) && defined(HAVE_OPENGLES32)
+   glCopyImageSubData(srcName,
+         srcTarget,
+         srcX,
+         srcY,
+         srcZ,
+         dstName,
+         dstTarget,
+         dstLevel,
+         dstX,
+         dstY,
+         dstZ,
+         srcWidth,
+         srcHeight,
+         srcDepth);
+#endif
+}
+
 /*
  * Category: VAO
  *
diff --git a/libretro-common/include/glsm/glsmsym.h b/libretro-common/include/glsm/glsmsym.h
index 95d3d02834..16d56006d8 100644
--- a/libretro-common/include/glsm/glsmsym.h
+++ b/libretro-common/include/glsm/glsmsym.h
@@ -125,6 +125,7 @@ RETRO_BEGIN_DECLS
 #define glBlendEquation             rglBlendEquation
 #define glBlendColor                rglBlendColor
 #define glBlendEquationSeparate     rglBlendEquationSeparate
+#define glCopyImageSubData          rglCopyImageSubData
 
 void rglBlendColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
 void rglBlendEquation(GLenum mode);
@@ -244,6 +245,21 @@ void rglUniform2ui(GLint location, GLuint v0, GLuint v1);
 void rglUniform3ui(GLint location, GLuint v0, GLuint v1, GLuint v2);
 void rglUniform4ui(GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3);
 void rglBlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha);
+void rglCopyImageSubData( 	GLuint srcName,
+  	GLenum srcTarget,
+  	GLint srcLevel,
+  	GLint srcX,
+  	GLint srcY,
+  	GLint srcZ,
+  	GLuint dstName,
+  	GLenum dstTarget,
+  	GLint dstLevel,
+  	GLint dstX,
+  	GLint dstY,
+  	GLint dstZ,
+  	GLsizei srcWidth,
+  	GLsizei srcHeight,
+  	GLsizei srcDepth);
 
 RETRO_END_DECLS