-struct entity_render_s;
-struct texture_s;
-struct msurface_s;
-void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t);
-void R_UpdateAllTextureInfo(entity_render_t *ent);
-void R_QueueTextureSurfaceList(int texturenumsurfaces, msurface_t **texturesurfacelist);
-void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean addwaterplanes, qboolean debug);
-void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean addwaterplanes, qboolean debug);
-
-void RSurf_PrepareVerticesForBatch(qboolean generatenormals, qboolean generatetangents, int texturenumsurfaces, msurface_t **texturesurfacelist);
-void RSurf_DrawBatch_Simple(int texturenumsurfaces, msurface_t **texturesurfacelist);
-
-#define SHADERPERMUTATION_MODE_LIGHTMAP (1<<0) // (lightmap) use directional pixel shading from fixed light direction (q3bsp)
-#define SHADERPERMUTATION_MODE_LIGHTDIRECTIONMAP_MODELSPACE (1<<1) // (lightmap) use directional pixel shading from texture containing modelspace light directions (deluxemap)
-#define SHADERPERMUTATION_MODE_LIGHTDIRECTIONMAP_TANGENTSPACE (1<<2) // (lightmap) use directional pixel shading from texture containing tangentspace light directions (deluxemap)
-#define SHADERPERMUTATION_MODE_LIGHTDIRECTION (1<<3) // (lightmap) use directional pixel shading from fixed light direction (q3bsp)
-#define SHADERPERMUTATION_MODE_LIGHTSOURCE (1<<4) // (lightsource) use directional pixel shading from light source (rtlight)
-#define SHADERPERMUTATION_WATER (1<<5) // normalmap-perturbed refraction of the background, performed behind the surface (the texture or material must be transparent to see it)
-#define SHADERPERMUTATION_REFLECTION (1<<6) // normalmap-perturbed reflection of the scene infront of the surface, preformed as an overlay on the surface
-#define SHADERPERMUTATION_GLOW (1<<7) // (lightmap) blend in an additive glow texture
-#define SHADERPERMUTATION_FOG (1<<8) // tint the color by fog color or black if using additive blend mode
-#define SHADERPERMUTATION_COLORMAPPING (1<<9) // indicates this is a colormapped skin
-#define SHADERPERMUTATION_DIFFUSE (1<<10) // (lightsource) whether to use directional shading
-#define SHADERPERMUTATION_CONTRASTBOOST (1<<11) // r_glsl_contrastboost boosts the contrast at low color levels (similar to gamma)
-#define SHADERPERMUTATION_SPECULAR (1<<12) // (lightsource or deluxemapping) render specular effects
-#define SHADERPERMUTATION_CUBEFILTER (1<<13) // (lightsource) use cubemap light filter
-#define SHADERPERMUTATION_OFFSETMAPPING (1<<14) // adjust texcoords to roughly simulate a displacement mapped surface
-#define SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING (1<<15) // adjust texcoords to accurately simulate a displacement mapped surface (requires OFFSETMAPPING to also be set!)
-
-#define SHADERPERMUTATION_MAX (1<<16) // how many permutations are possible
-#define SHADERPERMUTATION_MASK (SHADERPERMUTATION_MAX - 1) // mask of valid indexing bits for r_glsl_permutations[] array
-
-// these are additional flags used only by R_GLSL_CompilePermutation
-#define SHADERPERMUTATION_USES_VERTEXSHADER (1<<29)
-#define SHADERPERMUTATION_USES_GEOMETRYSHADER (1<<30)
-#define SHADERPERMUTATION_USES_FRAGMENTSHADER (1<<31)
-
-typedef struct r_glsl_permutation_s
+texture_t *R_GetCurrentTexture(texture_t *t);
+void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug, qboolean prepass);
+void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug, qboolean prepass);
+void R_AddWaterPlanes(entity_render_t *ent);
+void R_DrawCustomSurface(skinframe_t *skinframe, const matrix4x4_t *texmatrix, int materialflags, int firstvertex, int numvertices, int firsttriangle, int numtriangles, qboolean writedepth, qboolean prepass);
+void R_DrawCustomSurface_Texture(texture_t *texture, const matrix4x4_t *texmatrix, int materialflags, int firstvertex, int numvertices, int firsttriangle, int numtriangles, qboolean writedepth, qboolean prepass);
+
+#define BATCHNEED_VERTEXPOSITION (1<< 0) // set up rsurface.batchvertexposition
+#define BATCHNEED_VERTEXMESH_VERTEX (1<< 1) // set up rsurface.batchvertexmesh
+#define BATCHNEED_VERTEXMESH_NORMAL (1<< 2) // set up normals in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchnormal3f if BATCHNEED_ARRAYS
+#define BATCHNEED_VERTEXMESH_VECTOR (1<< 3) // set up vectors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchsvector3f and rsurface.batchtvector3f if BATCHNEED_ARRAYS
+#define BATCHNEED_VERTEXMESH_VERTEXCOLOR (1<< 4) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
+#define BATCHNEED_VERTEXMESH_TEXCOORD (1<< 5) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
+#define BATCHNEED_VERTEXMESH_LIGHTMAP (1<< 6) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
+#define BATCHNEED_ARRAY_VERTEX (1<< 7) // set up rsurface.batchvertex3f and optionally others
+#define BATCHNEED_ARRAY_NORMAL (1<< 8) // set up normals in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchnormal3f if BATCHNEED_ARRAYS
+#define BATCHNEED_ARRAY_VECTOR (1<< 9) // set up vectors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchsvector3f and rsurface.batchtvector3f if BATCHNEED_ARRAYS
+#define BATCHNEED_ARRAY_VERTEXCOLOR (1<<10) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
+#define BATCHNEED_ARRAY_TEXCOORD (1<<11) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
+#define BATCHNEED_ARRAY_LIGHTMAP (1<<12) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
+#define BATCHNEED_NOGAPS (1<<13) // force vertex copying (no gaps)
+void RSurf_PrepareVerticesForBatch(int batchneed, int texturenumsurfaces, const msurface_t **texturesurfacelist);
+void RSurf_DrawBatch(void);
+
+void R_DecalSystem_SplatEntities(const vec3_t org, const vec3_t normal, float r, float g, float b, float a, float s1, float t1, float s2, float t2, float size);
+
+typedef enum rsurfacepass_e
+{
+ RSURFPASS_BASE,
+ RSURFPASS_BACKGROUND,
+ RSURFPASS_RTLIGHT,
+ RSURFPASS_DEFERREDGEOMETRY
+}
+rsurfacepass_t;
+
+typedef enum gl20_texunit_e
+{
+ // postprocess shaders, and generic shaders:
+ GL20TU_FIRST = 0,
+ GL20TU_SECOND = 1,
+ GL20TU_GAMMARAMPS = 2,
+ // standard material properties
+ GL20TU_NORMAL = 0,
+ GL20TU_COLOR = 1,
+ GL20TU_GLOSS = 2,
+ GL20TU_GLOW = 3,
+ // material properties for a second material
+ GL20TU_SECONDARY_NORMAL = 4,
+ GL20TU_SECONDARY_COLOR = 5,
+ GL20TU_SECONDARY_GLOSS = 6,
+ GL20TU_SECONDARY_GLOW = 7,
+ // material properties for a colormapped material
+ // conflicts with secondary material
+ GL20TU_PANTS = 4,
+ GL20TU_SHIRT = 7,
+ // fog fade in the distance
+ GL20TU_FOGMASK = 8,
+ // compiled ambient lightmap and deluxemap
+ GL20TU_LIGHTMAP = 9,
+ GL20TU_DELUXEMAP = 10,
+ // refraction, used by water shaders
+ GL20TU_REFRACTION = 3,
+ // reflection, used by water shaders, also with normal material rendering
+ // conflicts with secondary material
+ GL20TU_REFLECTION = 7,
+ // rtlight attenuation (distance fade) and cubemap filter (projection texturing)
+ // conflicts with lightmap/deluxemap
+ GL20TU_ATTENUATION = 9,
+ GL20TU_CUBE = 10,
+ GL20TU_SHADOWMAP2D = 15,
+ GL20TU_CUBEPROJECTION = 12,
+ // rtlight prepass data (screenspace depth and normalmap)
+ GL20TU_SCREENDEPTH = 13,
+ GL20TU_SCREENNORMALMAP = 14,
+ // lightmap prepass data (screenspace diffuse and specular from lights)
+ GL20TU_SCREENDIFFUSE = 11,
+ GL20TU_SCREENSPECULAR = 12,
+ // fake reflections
+ GL20TU_REFLECTMASK = 5,
+ GL20TU_REFLECTCUBE = 6,
+ GL20TU_FOGHEIGHTTEXTURE = 14
+}
+gl20_texunit;
+
+void R_SetupShader_Generic(rtexture_t *first, rtexture_t *second, int texturemode, int rgbscale);
+void R_SetupShader_DepthOrShadow(void);
+void R_SetupShader_ShowDepth(void);
+void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting, float ambientscale, float diffusescale, float specularscale, rsurfacepass_t rsurfacepass, int texturenumsurfaces, const msurface_t **texturesurfacelist, void *waterplane);
+void R_SetupShader_DeferredLight(const rtlight_t *rtlight);
+
+typedef struct r_waterstate_waterplane_s