-void GL_DrawRangeElements(int firstvert, int endvert, int indexcount, int *index);
-
-void GL_SetupView_ViewPort (int x, int y, int width, int height);
-void GL_SetupView_Orientation_Identity (void);
-void GL_SetupView_Orientation_FromEntity (vec3_t origin, vec3_t angles);
-void GL_SetupView_Mode_Perspective (double aspect, double fovx, double fovy, double zNear, double zFar);
-void GL_SetupView_Mode_Ortho (double x1, double y1, double x2, double y2, double zNear, double zFar);
-void GL_DepthFunc(int value);
-void GL_ClearDepth(void);
+void GL_SetupView_Orientation_Identity(void);
+void GL_SetupView_Orientation_FromEntity(matrix4x4_t *matrix);
+void GL_SetupView_Mode_Perspective(double fovx, double fovy, double zNear, double zFar);
+void GL_SetupView_Mode_PerspectiveInfiniteFarClip(double fovx, double fovy, double zNear);
+void GL_SetupView_Mode_Ortho(double x1, double y1, double x2, double y2, double zNear, double zFar);
+void GL_BlendFunc(int blendfunc1, int blendfunc2);
+void GL_DepthMask(int state);
+void GL_DepthTest(int state);
+void GL_ColorMask(int r, int g, int b, int a);
+void GL_VertexPointer(const float *p);
+void GL_ColorPointer(const float *p);
+void GL_Color(float cr, float cg, float cb, float ca);
+void GL_ShowTrisColor(float cr, float cg, float cb, float ca);
+void GL_TransformToScreen(const vec4_t in, vec4_t out);
+void GL_LockArrays(int first, int count);
+void GL_ActiveTexture(int num);
+void GL_ClientActiveTexture(int num);
+void GL_Scissor(int x, int y, int width, int height); // AK for DRAWQUEUE_SETCLIP
+void GL_ScissorTest(int state); // AK for DRAWQUEUE_(RE)SETCLIP
+void GL_Clear(int mask);