diff --git a/experimental/draw.c b/experimental/draw.c
index 9faf048..7e821b6 100644
--- a/experimental/draw.c
+++ b/experimental/draw.c
@@ -216,12 +216,20 @@ static void submitVertices(GLenum mode, GLsizei first, GLsizei count, GLenum typ
 void APIENTRY glDrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices) {
     TRACE();
 
+    if(checkImmediateModeInactive(__func__)) {
+        return;
+    }
+
     submitVertices(mode, 0, count, type, indices);
 }
 
 void APIENTRY glDrawArrays(GLenum mode, GLint first, GLsizei count) {
     TRACE();
 
+    if(checkImmediateModeInactive(__func__)) {
+        return;
+    }
+
     submitVertices(mode, first, count, GL_UNSIGNED_SHORT, NULL);
 }
 
diff --git a/experimental/immediate.c b/experimental/immediate.c
index e26b391..d43c579 100644
--- a/experimental/immediate.c
+++ b/experimental/immediate.c
@@ -6,10 +6,23 @@ static GLenum ACTIVE_POLYGON_MODE = GL_TRIANGLES;
 
 static AlignedVector VERTICES;
 static AlignedVector COLOURS;
+static AlignedVector TEXCOORDS;
 
 void initImmediateMode() {
     aligned_vector_init(&VERTICES, sizeof(GLfloat));
     aligned_vector_init(&COLOURS, sizeof(GLfloat));
+    aligned_vector_init(&TEXCOORDS, sizeof(GLfloat));
+}
+
+GLubyte checkImmediateModeInactive(const char* func) {
+    /* Returns 1 on error */
+    if(IMMEDIATE_MODE_ACTIVE) {
+        _glKosThrowError(GL_INVALID_OPERATION, func);
+        _glKosPrintError();
+        return 1;
+    }
+
+    return 0;
 }
 
 void APIENTRY glBegin(GLenum mode) {
@@ -30,29 +43,58 @@ void APIENTRY glColor4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a) {
     aligned_vector_push_back(&COLOURS, &a, 1);
 }
 
+void APIENTRY glColor4fv(const GLfloat* v) {
+    glColor4f(v[0], v[1], v[2], v[3]);
+}
+
 void APIENTRY glColor3f(GLfloat r, GLfloat g, GLfloat b) {
     static float a = 1.0f;
     glColor4f(r, g, b, a);
 }
 
+void APIENTRY glColor3fv(const GLfloat* v) {
+    glColor3f(v[0], v[1], v[2]);
+}
+
 void APIENTRY glVertex3f(GLfloat x, GLfloat y, GLfloat z) {
     aligned_vector_push_back(&VERTICES, &x, 1);
     aligned_vector_push_back(&VERTICES, &y, 1);
     aligned_vector_push_back(&VERTICES, &z, 1);
 }
 
+void APIENTRY glVertex3fv(const GLfloat* v) {
+    glVertex3f(v[0], v[1], v[2]);
+}
+
+void APIENTRY glVertex4fv(const GLfloat* v) {
+    glVertex4f(v[0], v[1], v[2], v[3]);
+}
+
+void APIENTRY glTexCoord2f(GLfloat u, GLfloat v) {
+    aligned_vector_push_back(&TEXCOORDS, &u, 1);
+    aligned_vector_push_back(&TEXCOORDS, &v, 1);
+}
+
+void APIENTRY glTexCoord2fv(const GLfloat* v) {
+    glTexCoord2f(v[0], v[1]);
+}
+
 void APIENTRY glEnd() {
     IMMEDIATE_MODE_ACTIVE = GL_FALSE;
 
-    /* FIXME: Push pointers */
+    /* FIXME: Push pointer state */
 
     glVertexPointer(3, GL_FLOAT, 0, VERTICES.data);
     glColorPointer(4, GL_FLOAT, 0, COLOURS.data);
 
+    glClientActiveTextureARB(GL_TEXTURE0);
+    glTexCoordPointer(2, GL_FLOAT, 0, TEXCOORDS.data);
+
     glDrawArrays(ACTIVE_POLYGON_MODE, 0, VERTICES.size / 3);
 
     aligned_vector_clear(&VERTICES);
     aligned_vector_clear(&COLOURS);
+    aligned_vector_clear(&TEXCOORDS);
 
     /* FIXME: Pop pointers */
 }
diff --git a/experimental/private.h b/experimental/private.h
index 0c3ab27..1ead5c5 100644
--- a/experimental/private.h
+++ b/experimental/private.h
@@ -72,6 +72,7 @@ void initAttributePointers();
 void initContext();
 void initLights();
 void initImmediateMode();
+GLubyte checkImmediateModeInactive(const char* func);
 
 pvr_poly_cxt_t* getPVRContext();
 GLubyte _glKosInitTextures();
diff --git a/experimental/state.c b/experimental/state.c
index a6fdc09..108ce67 100644
--- a/experimental/state.c
+++ b/experimental/state.c
@@ -395,7 +395,6 @@ void APIENTRY glScissor(GLint x, GLint y, GLsizei width, GLsizei height) {
     c->ey = CLAMP((maxy / 32) - 1, 0, vid_mode->height / 32);
 }
 
-
 GLboolean APIENTRY glIsEnabled(GLenum cap) {
     switch(cap) {
     case GL_DEPTH_TEST:
diff --git a/gl-api.c b/gl-api.c
index eac3947..852d42d 100644
--- a/gl-api.c
+++ b/gl-api.c
@@ -248,48 +248,9 @@ void APIENTRY glColor4ub(GLubyte r, GLubyte  g, GLubyte b, GLubyte a) {
     GL_KOS_VERTEX_COLOR = a << 24 | r << 16 | g << 8 | b;
 }
 
-void APIENTRY glColor3fv(const GLfloat *rgb) {
-    GL_KOS_VERTEX_COLOR = PVR_PACK_COLOR(1.0f, rgb[0], rgb[1], rgb[2]);
-}
-
-void APIENTRY glColor4fv(const GLfloat *rgba) {
-    GL_KOS_VERTEX_COLOR = PVR_PACK_COLOR(rgba[3], rgba[0], rgba[1], rgba[2]);
-}
-
-//== Texture Coordinate Submission ==//
-
-void APIENTRY glTexCoord2f(GLfloat u, GLfloat v) {
-    if(_glKosEnabledTextureMatrix()) {
-        _glKosMatrixLoadTexture();
-
-        mat_trans_texture2_nomod(u, v, GL_KOS_VERTEX_UV[0], GL_KOS_VERTEX_UV[1]);
-
-        _glKosMatrixLoadRender();
-    }
-    else {
-        GL_KOS_VERTEX_UV[0] = u;
-        GL_KOS_VERTEX_UV[1] = v;
-    }
-}
-
-void APIENTRY glTexCoord2fv(const GLfloat *uv) {
-    if(_glKosEnabledTextureMatrix()) {
-        _glKosMatrixLoadTexture();
-
-        mat_trans_texture2_nomod(uv[0], uv[1], GL_KOS_VERTEX_UV[0], GL_KOS_VERTEX_UV[1]);
-
-        _glKosMatrixLoadRender();
-    }
-    else {
-        GL_KOS_VERTEX_UV[0] = uv[0];
-        GL_KOS_VERTEX_UV[1] = uv[1];
-    }
-}
 
 //== Vertex Position Submission Functions ==//
 
-void APIENTRY(*glVertex3fv)(const GLfloat *);
-
 void APIENTRY glVertex2f(GLfloat x, GLfloat y) {
     return _glKosVertex3ft(x, y, 0.0f);
 }
diff --git a/include/gl.h b/include/gl.h
index a999be1..2bbb566 100644
--- a/include/gl.h
+++ b/include/gl.h
@@ -446,7 +446,7 @@ GLAPI void APIENTRY glKosVertex2fv(const GLfloat *xy);
 
 /* Primitive 3D Position Submission */
 GLAPI void APIENTRY glVertex3f(GLfloat, GLfloat, GLfloat);
-GLAPI void APIENTRY(*glVertex3fv)(const GLfloat *);
+GLAPI void APIENTRY glVertex3fv(const GLfloat *);
 
 /* 2D Non-Textured Rectangle Submission */
 GLAPI GLvoid APIENTRY glRectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2);