diff --git a/graphics/tinygl/api.cpp b/graphics/tinygl/api.cpp
index dd42ece6687..c5970ca5c1d 100644
--- a/graphics/tinygl/api.cpp
+++ b/graphics/tinygl/api.cpp
@@ -165,6 +165,16 @@ void tglColorMask(TGLboolean r, TGLboolean g, TGLboolean b, TGLboolean a) {
 	TinyGL::gl_add_op(p);
 }
 
+void tglBlendFunc(TGLenum sfactor, TGLenum dfactor) {
+	TinyGL::GLParam p[3];
+
+	p[0].op = TinyGL::OP_BlendFunc;
+	p[1].i = sfactor;
+	p[2].i = dfactor;
+
+	TinyGL::gl_add_op(p);
+}
+
 void tglPolygonMode(int face, int mode) {
 	TinyGL::GLParam p[3];
 
diff --git a/graphics/tinygl/gl.h b/graphics/tinygl/gl.h
index 399abe50bfa..51d39f28136 100644
--- a/graphics/tinygl/gl.h
+++ b/graphics/tinygl/gl.h
@@ -791,6 +791,7 @@ void tglGetIntegerv(int pname, int *params);
 void tglGetFloatv(int pname, float *v);
 void tglFrontFace(int mode);
 void tglColorMask(TGLboolean r, TGLboolean g, TGLboolean b, TGLboolean a);
+void tglBlendFunc(TGLenum sfactor, TGLenum dfactor);
 
 void tglSetShadowMaskBuf(unsigned char *buf);
 void tglSetShadowColor(unsigned char r, unsigned char g, unsigned char b);
diff --git a/graphics/tinygl/init.cpp b/graphics/tinygl/init.cpp
index 8a3b904ec1c..65c617dffe9 100644
--- a/graphics/tinygl/init.cpp
+++ b/graphics/tinygl/init.cpp
@@ -125,6 +125,7 @@ void glInit(void *zbuffer1) {
 	c->render_mode = TGL_RENDER;
 	c->select_buffer = NULL;
 	c->name_stack_size = 0;
+	c->enable_blend = false;
 
 	// matrix
 	c->matrix_mode = 0;
diff --git a/graphics/tinygl/misc.cpp b/graphics/tinygl/misc.cpp
index b86b52fcd65..748f65c89b6 100644
--- a/graphics/tinygl/misc.cpp
+++ b/graphics/tinygl/misc.cpp
@@ -61,6 +61,9 @@ void glopEnableDisable(GLContext *c, GLParam *p) {
 	case TGL_DEPTH_TEST:
 		c->depth_test = v;
 		break;
+	case TGL_BLEND:
+		c->enable_blend = v;
+		break;
 	case TGL_POLYGON_OFFSET_FILL:
 		if (v)
 			c->offset_states |= TGL_OFFSET_FILL;
@@ -101,6 +104,9 @@ void glopEnableDisable(GLContext *c, GLParam *p) {
 	}
 }
 
+void glopBlendFunc(GLContext *c, GLParam *p) {
+}
+
 void glopShadeModel(GLContext *c, GLParam *p) {
 	int code = p[1].i;
 	c->current_shade_model = code;
diff --git a/graphics/tinygl/opinfo.h b/graphics/tinygl/opinfo.h
index ce506088d79..8f9ee99bb9a 100644
--- a/graphics/tinygl/opinfo.h
+++ b/graphics/tinygl/opinfo.h
@@ -49,6 +49,7 @@ ADD_OP(CullFace, 1, "%C")
 ADD_OP(FrontFace, 1, "%C")
 ADD_OP(PolygonMode, 2, "%C %C")
 ADD_OP(ColorMask, 1, "%08x")
+ADD_OP(BlendFunc, 2, "%d %d")
 
 ADD_OP(CallList, 1, "%d")
 ADD_OP(Hint, 2, "%C %C")
diff --git a/graphics/tinygl/zgl.h b/graphics/tinygl/zgl.h
index b706e955911..afbd2f55a19 100644
--- a/graphics/tinygl/zgl.h
+++ b/graphics/tinygl/zgl.h
@@ -209,6 +209,7 @@ struct GLContext {
 	gl_draw_triangle_func draw_triangle_front, draw_triangle_back;
 
 	// selection
+	bool enable_blend;
 	int render_mode;
 	unsigned int *select_buffer;
 	int select_size;