void R_Viewport_InitRectSideView(r_viewport_t *v, const matrix4x4_t *cameramatrix, int side, int size, int border, float nearclip, float farclip, const float *nearplane);
void R_SetViewport(const r_viewport_t *v);
void R_GetViewport(r_viewport_t *v);
+void GL_Finish(void);
void GL_BlendFunc(int blendfunc1, int blendfunc2);
void GL_DepthMask(int state);
int R_Mesh_CreateFramebufferObject(rtexture_t *depthtexture, rtexture_t *colortexture, rtexture_t *colortexture2, rtexture_t *colortexture3, rtexture_t *colortexture4);
void R_Mesh_DestroyFramebufferObject(int fbo);
void R_Mesh_ResetRenderTargets(void);
+void R_Mesh_SetMainRenderTargets(void);
void R_Mesh_SetRenderTargets(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture, rtexture_t *colortexture2, rtexture_t *colortexture3, rtexture_t *colortexture4);
unsigned int GL_Backend_CompileProgram(int vertexstrings_count, const char **vertexstrings_list, int geometrystrings_count, const char **geometrystrings_list, int fragmentstrings_count, const char **fragmentstrings_list);
void R_Mesh_PrepareVertices_Mesh_Arrays(int numvertices, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const float *color4f, const float *texcoordtexture2f, const float *texcoordlightmap2f);
void R_Mesh_PrepareVertices_Mesh(int numvertices, const r_vertexmesh_t *vertex, const r_meshbuffer_t *buffer);
-r_vertexbouncelight_t *R_Mesh_PrepareVertices_BounceLight_Lock(int numvertices);
-qboolean R_Mesh_PrepareVertices_BounceLight_Unlock(void);
-void R_Mesh_PrepareVertices_BounceLight_Arrays(int numvertices, const float *vertex3f, const float *color4f, const float *texcoord4f);
-void R_Mesh_PrepareVertices_BounceLight(int numvertices, const r_vertexbouncelight_t *vertex, const r_meshbuffer_t *vertexbuffer);
-
// sets up the requested vertex transform matrix
void R_EntityMatrix(const matrix4x4_t *matrix);
// sets the vertex array pointer
void R_Mesh_TexCombine(unsigned int unitnum, int combinergb, int combinealpha, int rgbscale, int alphascale);
// set up a blank texture state (unbinds all textures, texcoord pointers, and resets combine settings)
void R_Mesh_ResetTextureState(void);
+// before a texture is freed, make sure there are no references to it
+void R_Mesh_ClearBindingsForTexture(int texnum);
// renders a mesh
void R_Mesh_Draw(int firstvertex, int numvertices, int firsttriangle, int numtriangles, const int *element3i, const r_meshbuffer_t *element3i_indexbuffer, size_t element3i_bufferoffset, const unsigned short *element3s, const r_meshbuffer_t *element3s_indexbuffer, size_t element3s_bufferoffset);