2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 extern float ixtable[4096];
34 extern cvar_t r_skyscroll1;
35 extern cvar_t r_skyscroll2;
36 extern int skyrenderlater, skyrendermasked;
37 int R_SetSkyBox(const char *sky);
38 void R_SkyStartFrame(void);
40 void R_ResetSkyBox(void);
42 // SHOWLMP stuff (Nehahra)
43 void SHOWLMP_decodehide(void);
44 void SHOWLMP_decodeshow(void);
45 void SHOWLMP_drawall(void);
47 // render profiling stuff
48 extern int r_timereport_active;
51 extern cvar_t r_ambient;
52 extern cvar_t gl_flashblend;
55 extern cvar_t r_novis;
57 extern cvar_t r_trippy;
60 extern cvar_t r_lerpsprites;
61 extern cvar_t r_lerpmodels;
62 extern cvar_t r_lerplightstyles;
63 extern cvar_t r_waterscroll;
65 extern cvar_t developer_texturelogging;
67 // shadow volume bsp struct with automatically growing nodes buffer
68 extern svbsp_t r_svbsp;
70 typedef struct rmesh_s
72 // vertices of this mesh
80 float *texcoordlightmap2f;
82 // triangles of this mesh
92 // useful functions for rendering
93 void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b);
94 void R_FillColors(float *out, int verts, float r, float g, float b, float a);
95 void R_Mesh_AddPolygon3f(rmesh_t *mesh, int numvertices, float *vertex3f);
96 void R_Mesh_AddBrushMeshFromPlanes(rmesh_t *mesh, int numplanes, mplane_t *planes);
98 #define TOP_RANGE 16 // soldier uniform colors
99 #define BOTTOM_RANGE 96
101 //=============================================================================
103 extern cvar_t r_nearclip;
105 // forces all rendering to draw triangle outlines
106 extern cvar_t r_showoverdraw;
107 extern cvar_t r_showtris;
108 extern cvar_t r_shownormals;
109 extern cvar_t r_showlighting;
110 extern cvar_t r_showshadowvolumes;
111 extern cvar_t r_showcollisionbrushes;
112 extern cvar_t r_showcollisionbrushes_polygonfactor;
113 extern cvar_t r_showcollisionbrushes_polygonoffset;
114 extern cvar_t r_showdisabledepthtest;
116 extern cvar_t r_drawentities;
117 extern cvar_t r_draw2d;
118 extern qboolean r_draw2d_force;
119 extern cvar_t r_drawviewmodel;
120 extern cvar_t r_drawworld;
121 extern cvar_t r_speeds;
122 extern cvar_t r_fullbright;
123 extern cvar_t r_wateralpha;
124 extern cvar_t r_dynamic;
127 void R_UpdateVariables(void); // must call after setting up most of r_refdef, but before calling R_RenderView
128 void R_RenderView(void); // must set r_refdef and call R_UpdateVariables and CL_UpdateEntityShading first
129 void R_RenderView_UpdateViewVectors(void); // just updates r_refdef.view.{forward,left,up,origin,right,inverse_matrix}
131 typedef enum r_refdef_scene_type_s {
135 } r_refdef_scene_type_t;
137 void R_SelectScene( r_refdef_scene_type_t scenetype );
138 r_refdef_scene_t * R_GetScenePointer( r_refdef_scene_type_t scenetype );
140 void R_SkinFrame_PrepareForPurge(void);
141 void R_SkinFrame_MarkUsed(skinframe_t *skinframe);
142 void R_SkinFrame_PurgeSkinFrame(skinframe_t *skinframe);
143 void R_SkinFrame_Purge(void);
144 // set last to NULL to start from the beginning
145 skinframe_t *R_SkinFrame_FindNextByName( skinframe_t *last, const char *name );
146 skinframe_t *R_SkinFrame_Find(const char *name, int textureflags, int comparewidth, int compareheight, int comparecrc, qboolean add);
147 skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboolean complain);
148 skinframe_t *R_SkinFrame_LoadInternalBGRA(const char *name, int textureflags, const unsigned char *skindata, int width, int height, qboolean sRGB);
149 skinframe_t *R_SkinFrame_LoadInternalQuake(const char *name, int textureflags, int loadpantsandshirt, int loadglowtexture, const unsigned char *skindata, int width, int height);
150 skinframe_t *R_SkinFrame_LoadInternal8bit(const char *name, int textureflags, const unsigned char *skindata, int width, int height, const unsigned int *palette, const unsigned int *alphapalette);
151 skinframe_t *R_SkinFrame_LoadMissing(void);
153 rtexture_t *R_GetCubemap(const char *basename);
155 void R_View_WorldVisibility(qboolean forcenovis);
156 void R_DrawDecals(void);
157 void R_DrawParticles(void);
158 void R_DrawExplosions(void);
160 #define gl_solid_format 3
161 #define gl_alpha_format 4
163 int R_CullBox(const vec3_t mins, const vec3_t maxs);
164 int R_CullBoxCustomPlanes(const vec3_t mins, const vec3_t maxs, int numplanes, const mplane_t *planes);
165 qboolean R_CanSeeBox(int numsamples, vec_t eyejitter, vec_t entboxenlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs);
167 #include "r_modules.h"
169 #include "meshqueue.h"
171 /// free all R_FrameData memory
172 void R_FrameData_Reset(void);
173 /// prepare for a new frame, recycles old buffers if a resize occurred previously
174 void R_FrameData_NewFrame(void);
175 /// allocate some temporary memory for your purposes
176 void *R_FrameData_Alloc(size_t size);
177 /// allocate some temporary memory and copy this data into it
178 void *R_FrameData_Store(size_t size, void *data);
179 /// set a marker that allows you to discard the following temporary memory allocations
180 void R_FrameData_SetMark(void);
181 /// discard recent memory allocations (rewind to marker)
182 void R_FrameData_ReturnToMark(void);
184 /// enum of the various types of hardware buffer object used in rendering
185 /// note that the r_buffermegs[] array must be maintained to match this
186 typedef enum r_bufferdata_type_e
188 R_BUFFERDATA_VERTEX, /// vertex buffer
189 R_BUFFERDATA_INDEX16, /// index buffer - 16bit (because D3D cares)
190 R_BUFFERDATA_INDEX32, /// index buffer - 32bit (because D3D cares)
191 R_BUFFERDATA_UNIFORM, /// uniform buffer
192 R_BUFFERDATA_COUNT /// how many kinds of buffer we have
196 /// free all dynamic vertex/index/uniform buffers
197 void R_BufferData_Reset(void);
198 /// begin a new frame (recycle old buffers)
199 void R_BufferData_NewFrame(void);
200 /// request space in a vertex/index/uniform buffer for the chosen data, returns the buffer pointer and offset, always successful
201 r_meshbuffer_t *R_BufferData_Store(size_t size, const void *data, r_bufferdata_type_t type, int *returnbufferoffset);
203 /// free all R_AnimCache memory
204 void R_AnimCache_Free(void);
205 /// clear the animcache pointers on all known render entities
206 void R_AnimCache_ClearCache(void);
207 /// get the skeletal data or cached animated mesh data for an entity (optionally with normals and tangents)
208 qboolean R_AnimCache_GetEntity(entity_render_t *ent, qboolean wantnormals, qboolean wanttangents);
209 /// generate animcache data for all entities marked visible
210 void R_AnimCache_CacheVisibleEntities(void);
212 #include "r_lerpanim.h"
214 extern cvar_t r_render;
215 extern cvar_t r_renderview;
216 extern cvar_t r_waterwarp;
218 extern cvar_t r_textureunits;
220 extern cvar_t r_glsl_offsetmapping;
221 extern cvar_t r_glsl_offsetmapping_reliefmapping;
222 extern cvar_t r_glsl_offsetmapping_scale;
223 extern cvar_t r_glsl_offsetmapping_lod;
224 extern cvar_t r_glsl_offsetmapping_lod_distance;
225 extern cvar_t r_glsl_deluxemapping;
227 extern cvar_t gl_polyblend;
228 extern cvar_t gl_dither;
230 extern cvar_t cl_deathfade;
232 extern cvar_t r_smoothnormals_areaweighting;
234 extern cvar_t r_test;
236 #include "gl_backend.h"
238 extern rtexture_t *r_texture_blanknormalmap;
239 extern rtexture_t *r_texture_white;
240 extern rtexture_t *r_texture_grey128;
241 extern rtexture_t *r_texture_black;
242 extern rtexture_t *r_texture_notexture;
243 extern rtexture_t *r_texture_whitecube;
244 extern rtexture_t *r_texture_normalizationcube;
245 extern rtexture_t *r_texture_fogattenuation;
246 extern rtexture_t *r_texture_fogheighttexture;
248 extern unsigned int r_queries[MAX_OCCLUSION_QUERIES];
249 extern unsigned int r_numqueries;
250 extern unsigned int r_maxqueries;
252 void R_TimeReport(const char *name);
255 void R_Stain(const vec3_t origin, float radius, int cr1, int cg1, int cb1, int ca1, int cr2, int cg2, int cb2, int ca2);
257 void R_CalcBeam_Vertex3f(float *vert, const float *org1, const float *org2, float width);
258 void R_CalcSprite_Vertex3f(float *vertex3f, const float *origin, const float *left, const float *up, float scalex1, float scalex2, float scaley1, float scaley2);
260 extern mempool_t *r_main_mempool;
262 typedef struct rsurfacestate_s
264 // current model array pointers
265 // these may point to processing buffers if model is animated,
266 // otherwise they point to static data.
267 // these are not directly used for rendering, they are just another level
270 // these either point at array_model* buffers (if the model is animated)
271 // or the model->surfmesh.data_* buffers (if the model is not animated)
273 // these are only set when an entity render begins, they do not change on
274 // a per surface basis.
276 // this indicates the model* arrays are pointed at array_model* buffers
277 // (in other words, the model has been animated in software)
278 qboolean forcecurrenttextureupdate; // set for RSurf_ActiveCustomEntity to force R_GetCurrentTexture to recalculate the texture parameters (such as entity alpha)
279 qboolean modelgeneratedvertex;
280 // skeletal animation can be done by entity (animcache) or per batch,
281 // batch may be non-skeletal even if entity is skeletal, indicating that
282 // the dynamicvertex code path had to apply skeletal manually for a case
283 // where gpu-skinning is not possible, for this reason batch has its own
285 int entityskeletalnumtransforms; // how many transforms are used for this mesh
286 float *entityskeletaltransform3x4; // use gpu-skinning shader on this mesh
287 const r_meshbuffer_t *entityskeletaltransform3x4buffer; // uniform buffer
288 int entityskeletaltransform3x4offset;
289 int entityskeletaltransform3x4size;
290 float *modelvertex3f;
291 const r_meshbuffer_t *modelvertex3f_vertexbuffer;
292 int modelvertex3f_bufferoffset;
293 float *modelsvector3f;
294 const r_meshbuffer_t *modelsvector3f_vertexbuffer;
295 int modelsvector3f_bufferoffset;
296 float *modeltvector3f;
297 const r_meshbuffer_t *modeltvector3f_vertexbuffer;
298 int modeltvector3f_bufferoffset;
299 float *modelnormal3f;
300 const r_meshbuffer_t *modelnormal3f_vertexbuffer;
301 int modelnormal3f_bufferoffset;
302 float *modellightmapcolor4f;
303 const r_meshbuffer_t *modellightmapcolor4f_vertexbuffer;
304 int modellightmapcolor4f_bufferoffset;
305 float *modeltexcoordtexture2f;
306 const r_meshbuffer_t *modeltexcoordtexture2f_vertexbuffer;
307 int modeltexcoordtexture2f_bufferoffset;
308 float *modeltexcoordlightmap2f;
309 const r_meshbuffer_t *modeltexcoordlightmap2f_vertexbuffer;
310 int modeltexcoordlightmap2f_bufferoffset;
311 unsigned char *modelskeletalindex4ub;
312 const r_meshbuffer_t *modelskeletalindex4ub_vertexbuffer;
313 int modelskeletalindex4ub_bufferoffset;
314 unsigned char *modelskeletalweight4ub;
315 const r_meshbuffer_t *modelskeletalweight4ub_vertexbuffer;
316 int modelskeletalweight4ub_bufferoffset;
317 r_vertexmesh_t *modelvertexmesh;
318 const r_meshbuffer_t *modelvertexmesh_vertexbuffer;
319 int modelvertexmesh_bufferoffset;
321 const r_meshbuffer_t *modelelement3i_indexbuffer;
322 int modelelement3i_bufferoffset;
323 unsigned short *modelelement3s;
324 const r_meshbuffer_t *modelelement3s_indexbuffer;
325 int modelelement3s_bufferoffset;
326 int *modellightmapoffsets;
327 int modelnumvertices;
328 int modelnumtriangles;
329 const msurface_t *modelsurfaces;
330 // current rendering array pointers
331 // these may point to any of several different buffers depending on how
332 // much processing was needed to prepare this model for rendering
333 // these usually equal the model* pointers, they only differ if
334 // deformvertexes is used in a q3 shader, and consequently these can
335 // change on a per-surface basis (according to rsurface.texture)
336 qboolean batchgeneratedvertex;
337 qboolean batchmultidraw;
338 int batchmultidrawnumsurfaces;
339 const msurface_t **batchmultidrawsurfacelist;
340 int batchfirstvertex;
341 int batchnumvertices;
342 int batchfirsttriangle;
343 int batchnumtriangles;
344 r_vertexmesh_t *batchvertexmesh;
345 const r_meshbuffer_t *batchvertexmesh_vertexbuffer;
346 int batchvertexmesh_bufferoffset;
347 float *batchvertex3f;
348 const r_meshbuffer_t *batchvertex3f_vertexbuffer;
349 int batchvertex3f_bufferoffset;
350 float *batchsvector3f;
351 const r_meshbuffer_t *batchsvector3f_vertexbuffer;
352 int batchsvector3f_bufferoffset;
353 float *batchtvector3f;
354 const r_meshbuffer_t *batchtvector3f_vertexbuffer;
355 int batchtvector3f_bufferoffset;
356 float *batchnormal3f;
357 const r_meshbuffer_t *batchnormal3f_vertexbuffer;
358 int batchnormal3f_bufferoffset;
359 float *batchlightmapcolor4f;
360 const r_meshbuffer_t *batchlightmapcolor4f_vertexbuffer;
361 int batchlightmapcolor4f_bufferoffset;
362 float *batchtexcoordtexture2f;
363 const r_meshbuffer_t *batchtexcoordtexture2f_vertexbuffer;
364 int batchtexcoordtexture2f_bufferoffset;
365 float *batchtexcoordlightmap2f;
366 const r_meshbuffer_t *batchtexcoordlightmap2f_vertexbuffer;
367 int batchtexcoordlightmap2f_bufferoffset;
368 unsigned char *batchskeletalindex4ub;
369 const r_meshbuffer_t *batchskeletalindex4ub_vertexbuffer;
370 int batchskeletalindex4ub_bufferoffset;
371 unsigned char *batchskeletalweight4ub;
372 const r_meshbuffer_t *batchskeletalweight4ub_vertexbuffer;
373 int batchskeletalweight4ub_bufferoffset;
375 const r_meshbuffer_t *batchelement3i_indexbuffer;
376 int batchelement3i_bufferoffset;
377 unsigned short *batchelement3s;
378 const r_meshbuffer_t *batchelement3s_indexbuffer;
379 int batchelement3s_bufferoffset;
380 int batchskeletalnumtransforms;
381 float *batchskeletaltransform3x4;
382 const r_meshbuffer_t *batchskeletaltransform3x4buffer; // uniform buffer
383 int batchskeletaltransform3x4offset;
384 int batchskeletaltransform3x4size;
385 // rendering pass processing arrays in GL11 and GL13 paths
387 const r_meshbuffer_t *passcolor4f_vertexbuffer;
388 int passcolor4f_bufferoffset;
390 // some important fields from the entity
394 int ent_alttextures; // used by q1bsp animated textures (pressed buttons)
395 double shadertime; // r_refdef.scene.time - ent->shadertime
396 // transform matrices to render this entity and effects on this entity
398 matrix4x4_t inversematrix;
399 // scale factors for transforming lengths into/out of entity space
401 float inversematrixscale;
402 // animation blending state from entity
403 frameblend_t frameblend[MAX_FRAMEBLENDS];
404 skeleton_t *skeleton;
405 // view location in model space
406 vec3_t localvieworigin;
407 // polygon offset data for submodels
408 float basepolygonfactor;
409 float basepolygonoffset;
410 // current textures in batching code
412 rtexture_t *lightmaptexture;
413 rtexture_t *deluxemaptexture;
414 // whether lightmapping is active on this batch
415 // (otherwise vertex colored)
416 qboolean uselightmaptexture;
417 // fog plane in model space for direct application to vertices
419 float fogmasktabledistmultiplier;
422 float fogplaneviewdist;
425 // light currently being rendered
426 const rtlight_t *rtlight;
428 // this is the location of the light in entity space
429 vec3_t entitylightorigin;
430 // this transforms entity coordinates to light filter cubemap coordinates
431 // (also often used for other purposes)
432 matrix4x4_t entitytolight;
433 // based on entitytolight this transforms -1 to +1 to 0 to 1 for purposes
434 // of attenuation texturing in full 3D (Z result often ignored)
435 matrix4x4_t entitytoattenuationxyz;
436 // this transforms only the Z to S, and T is always 0.5
437 matrix4x4_t entitytoattenuationz;
439 // user wavefunc parameters (from csqc)
440 float userwavefunc_param[Q3WAVEFUNC_USER_COUNT];
442 // pointer to an entity_render_t used only by R_GetCurrentTexture and
443 // RSurf_ActiveModelEntity as a unique id within each frame (see r_frame
445 entity_render_t *entity;
449 extern rsurfacestate_t rsurface;
451 void R_HDR_UpdateIrisAdaptation(const vec3_t point);
453 void RSurf_ActiveModelEntity(const entity_render_t *ent, qboolean wantnormals, qboolean wanttangents, qboolean prepass);
454 void RSurf_ActiveCustomEntity(const matrix4x4_t *matrix, const matrix4x4_t *inversematrix, int entflags, double shadertime, float r, float g, float b, float a, int numvertices, const float *vertex3f, const float *texcoord2f, const float *normal3f, const float *svector3f, const float *tvector3f, const float *color4f, int numtriangles, const int *element3i, const unsigned short *element3s, qboolean wantnormals, qboolean wanttangents);
455 void RSurf_SetupDepthAndCulling(void);
457 void R_Mesh_ResizeArrays(int newvertices);
459 texture_t *R_GetCurrentTexture(texture_t *t);
460 void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug, qboolean prepass);
461 void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug, qboolean prepass);
462 void R_AddWaterPlanes(entity_render_t *ent);
463 void R_DrawCustomSurface(skinframe_t *skinframe, const matrix4x4_t *texmatrix, int materialflags, int firstvertex, int numvertices, int firsttriangle, int numtriangles, qboolean writedepth, qboolean prepass);
464 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);
466 #define BATCHNEED_VERTEXMESH_VERTEX (1<< 1) // set up rsurface.batchvertexmesh
467 #define BATCHNEED_VERTEXMESH_NORMAL (1<< 2) // set up normals in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchnormal3f if BATCHNEED_ARRAYS
468 #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
469 #define BATCHNEED_VERTEXMESH_VERTEXCOLOR (1<< 4) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
470 #define BATCHNEED_VERTEXMESH_TEXCOORD (1<< 5) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
471 #define BATCHNEED_VERTEXMESH_LIGHTMAP (1<< 6) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
472 #define BATCHNEED_VERTEXMESH_SKELETAL (1<< 7) // set up skeletal index and weight data for vertex shader
473 #define BATCHNEED_ARRAY_VERTEX (1<< 8) // set up rsurface.batchvertex3f and optionally others
474 #define BATCHNEED_ARRAY_NORMAL (1<< 9) // set up normals in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchnormal3f if BATCHNEED_ARRAYS
475 #define BATCHNEED_ARRAY_VECTOR (1<<10) // set up vectors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchsvector3f and rsurface.batchtvector3f if BATCHNEED_ARRAYS
476 #define BATCHNEED_ARRAY_VERTEXCOLOR (1<<11) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
477 #define BATCHNEED_ARRAY_TEXCOORD (1<<12) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
478 #define BATCHNEED_ARRAY_LIGHTMAP (1<<13) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
479 #define BATCHNEED_ARRAY_SKELETAL (1<<14) // set up skeletal index and weight data for vertex shader
480 #define BATCHNEED_NOGAPS (1<<15) // force vertex copying if firstvertex is not zero or there are gaps
481 #define BATCHNEED_ALLOWMULTIDRAW (1<<16) // allow multiple draws
482 void RSurf_PrepareVerticesForBatch(int batchneed, int texturenumsurfaces, const msurface_t **texturesurfacelist);
483 void RSurf_DrawBatch(void);
485 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);
487 typedef enum rsurfacepass_e
490 RSURFPASS_BACKGROUND,
492 RSURFPASS_DEFERREDGEOMETRY
496 void R_SetupShader_Generic(rtexture_t *first, rtexture_t *second, int texturemode, int rgbscale, qboolean usegamma, qboolean notrippy, qboolean suppresstexalpha);
497 void R_SetupShader_Generic_NoTexture(qboolean usegamma, qboolean notrippy);
498 void R_SetupShader_DepthOrShadow(qboolean notrippy, qboolean depthrgb, qboolean skeletal);
499 void R_SetupShader_Surface(const float ambientcolor[3], const float diffusecolor[3], const float specularcolor[3], rsurfacepass_t rsurfacepass, int texturenumsurfaces, const msurface_t **texturesurfacelist, void *waterplane, qboolean notrippy);
500 void R_SetupShader_DeferredLight(const rtlight_t *rtlight);
502 typedef struct r_waterstate_waterplane_s
504 rtexture_t *texture_refraction; // MATERIALFLAG_WATERSHADER or MATERIALFLAG_REFRACTION
505 rtexture_t *texture_reflection; // MATERIALFLAG_WATERSHADER or MATERIALFLAG_REFLECTION
506 rtexture_t *texture_camera; // MATERIALFLAG_CAMERA
511 int materialflags; // combined flags of all water surfaces on this plane
512 unsigned char pvsbits[(MAX_MAP_LEAFS+7)>>3]; // FIXME: buffer overflow on huge maps
517 r_waterstate_waterplane_t;
519 typedef struct r_waterstate_s
521 int waterwidth, waterheight;
522 int texturewidth, textureheight;
523 int camerawidth, cameraheight;
524 rtexture_t *depthtexture;
526 int maxwaterplanes; // same as MAX_WATERPLANES
528 r_waterstate_waterplane_t waterplanes[MAX_WATERPLANES];
530 float screenscale[2];
531 float screencenter[2];
535 qboolean renderingscene; // true while rendering a refraction or reflection texture, disables water surfaces
540 typedef struct r_framebufferstate_s
542 textype_t textype; // type of color buffer we're using (dependent on r_viewfbo cvar)
543 int fbo; // non-zero if r_viewfbo is enabled and working
544 int screentexturewidth, screentextureheight; // dimensions of texture
546 rtexture_t *colortexture; // non-NULL if fbo is non-zero
547 rtexture_t *depthtexture; // non-NULL if fbo is non-zero
548 rtexture_t *ghosttexture; // for r_motionblur (not recommended on multi-GPU hardware!)
549 rtexture_t *bloomtexture[2]; // for r_bloom, multi-stage processing
550 int bloomfbo[2]; // fbos for rendering into bloomtexture[]
551 int bloomindex; // which bloomtexture[] contains the final image
553 int bloomwidth, bloomheight;
554 int bloomtexturewidth, bloomtextureheight;
556 // arrays for rendering the screen passes
557 float screentexcoord2f[8]; // texcoords for colortexture or ghosttexture
558 float bloomtexcoord2f[8]; // texcoords for bloomtexture[]
559 float offsettexcoord2f[8]; // temporary use while updating bloomtexture[]
561 r_viewport_t bloomviewport;
563 r_waterstate_t water;
565 qboolean ghosttexture_valid; // don't draw garbage on first frame with motionblur
566 qboolean usedepthtextures; // use depth texture instead of depth renderbuffer (faster if you need to read it later anyway)
568 r_framebufferstate_t;
570 extern r_framebufferstate_t r_fb;
572 extern cvar_t r_viewfbo;
574 void R_ResetViewRendering2D_Common(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture, float x2, float y2); // this is called by R_ResetViewRendering2D and _DrawQ_Setup and internal
575 void R_ResetViewRendering2D(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture);
576 void R_ResetViewRendering3D(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture);
577 void R_SetupView(qboolean allowwaterclippingplane, int fbo, rtexture_t *depthtexture, rtexture_t *colortexture);
578 extern const float r_screenvertex3f[12];
579 extern cvar_t r_shadows;
580 extern cvar_t r_shadows_darken;
581 extern cvar_t r_shadows_drawafterrtlighting;
582 extern cvar_t r_shadows_castfrombmodels;
583 extern cvar_t r_shadows_throwdistance;
584 extern cvar_t r_shadows_throwdirection;
585 extern cvar_t r_shadows_focus;
586 extern cvar_t r_shadows_shadowmapscale;
587 extern cvar_t r_shadows_shadowmapbias;
588 extern cvar_t r_transparent_alphatocoverage;
589 extern cvar_t r_transparent_sortsurfacesbynearest;
590 extern cvar_t r_transparent_useplanardistance;
591 extern cvar_t r_transparent_sortarraysize;
592 extern cvar_t r_transparent_sortmindist;
593 extern cvar_t r_transparent_sortmaxdist;
595 void R_Model_Sprite_Draw(entity_render_t *ent);
598 void R_UpdateFog(void);
599 qboolean CL_VM_UpdateView(double frametime);
600 void SCR_DrawConsole(void);
601 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
602 void R_DecalSystem_Reset(decalsystem_t *decalsystem);
603 void R_Shadow_UpdateBounceGridTexture(void);
604 void VM_CL_AddPolygonsToMeshQueue(struct prvm_prog_s *prog);
605 void R_DrawPortals(void);
606 void R_BuildLightMap(const entity_render_t *ent, msurface_t *surface);
607 void R_Water_AddWaterPlane(msurface_t *surface, int entno);
608 int R_Shadow_GetRTLightInfo(unsigned int lightindex, float *origin, float *radius, float *color);
609 dp_font_t *FindFont(const char *title, qboolean allocate_new);
610 void LoadFont(qboolean override, const char *name, dp_font_t *fnt, float scale, float voffset);
612 void Render_Init(void);
614 // these are called by Render_Init
615 void R_Textures_Init(void);
616 void GL_Draw_Init(void);
617 void GL_Main_Init(void);
618 void R_Shadow_Init(void);
619 void R_Sky_Init(void);
620 void GL_Surf_Init(void);
621 void R_Particles_Init(void);
622 void R_Explosion_Init(void);
623 void gl_backend_init(void);
624 void Sbar_Init(void);
625 void R_LightningBeams_Init(void);
626 void Mod_RenderInit(void);
627 void Font_Init(void);
629 qboolean R_CompileShader_CheckStaticParms(void);
630 void R_GLSL_Restart_f(void);