Ton Roosendaal
5219b56e92
Problem: artist wants character to walk in grass, but still have all rendered in seperate render-layers, for postpro effects and vblur. How to efficiently create a mask image you can put *over* the character for the grass? Solution has two parts; this commits allows any layer inside of the renderlayers to become a Z-mask (Z values for solid gets filled in, but not rendered). Second part of commit is render option "Only render stuff that's in front of a zbuffer value that was filled in (saves render time)
222 lines
7.7 KiB
C++
222 lines
7.7 KiB
C++
/**
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* $Id$
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2006 Blender Foundation.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef RE_PIPELINE_H
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#define RE_PIPELINE_H
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#include "DNA_listBase.h"
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#include "DNA_vec_types.h"
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#include "BKE_utildefines.h"
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struct Scene;
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struct RenderData;
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struct NodeBlurData;
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struct Object;
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/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
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/* this include is what is exposed of render to outside world */
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/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
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#define RE_MAXNAME 32
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/* only used as handle */
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typedef struct Render Render;
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/* Render Result usage:
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- render engine allocates/frees and delivers raw floating point rects
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- right now it's full rects, but might become tiles or file
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- the display client has to allocate display rects, sort out what to display,
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and how it's converted
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*/
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typedef struct RenderPass {
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struct RenderPass *next, *prev;
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int passtype, channels;
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char name[16]; /* amount defined in openexr_multi.h */
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char chan_id[8]; /* amount defined in openexr_multi.h */
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float *rect;
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} RenderPass;
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/* a renderlayer is a full image, but with all passes and samples */
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/* size of the rects is defined in RenderResult */
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/* after render, the Combined pass is in rectf, for renderlayers read from files it is a real pass */
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typedef struct RenderLayer {
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struct RenderLayer *next, *prev;
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/* copy of RenderData */
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char name[RE_MAXNAME];
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unsigned int lay, lay_zmask;
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int layflag, passflag, pass_xor;
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struct Material *mat_override;
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struct Group *light_override;
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float *rectf; /* 4 float, standard rgba buffer (read not above!) */
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float *acolrect; /* 4 float, optional transparent buffer, needs storage for display updates */
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float *scolrect; /* 4 float, optional strand buffer, needs storage for display updates */
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ListBase passes;
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} RenderLayer;
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typedef struct RenderResult {
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/* target image size */
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int rectx, recty;
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short crop, pad;
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/* optional, 32 bits version of picture, used for ogl render and image curves */
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int *rect32;
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/* if this exists, a copy of one of layers, or result of composited layers */
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float *rectf;
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/* if this exists, a copy of one of layers, or result of composited layers */
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float *rectz;
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/* coordinates within final image (after cropping) */
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rcti tilerect;
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/* offset to apply to get a border render in full image */
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int xof, yof;
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/* the main buffers */
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ListBase layers;
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/* allowing live updates: */
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volatile rcti renrect;
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volatile RenderLayer *renlay;
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/* optional saved endresult on disk */
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char exrfile[FILE_MAXDIR];
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void *exrhandle;
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/* for render results in Image, verify validity for sequences */
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int framenr;
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} RenderResult;
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typedef struct RenderStats {
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int totface, totvert, totstrand, tothalo, totlamp, totpart;
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short curfield, curblur, curpart, partsdone, convertdone;
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double starttime, lastframetime;
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char *infostr;
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} RenderStats;
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/* *********************** API ******************** */
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/* the name is used as identifier, so elsewhere in blender the result can retrieved */
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/* calling a new render with same name, frees automatic existing render */
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struct Render *RE_NewRender (const char *name);
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struct Render *RE_GetRender(const char *name);
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/* use free render as signal to do everything over (previews) */
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void RE_FreeRender (struct Render *re);
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/* only called on exit */
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void RE_FreeAllRender (void);
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/* get results and statistics */
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void RE_FreeRenderResult(struct RenderResult *rr);
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struct RenderResult *RE_GetResult(struct Render *re);
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void RE_GetResultImage(struct Render *re, struct RenderResult *rr);
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struct RenderStats *RE_GetStats(struct Render *re);
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void RE_ResultGet32(struct Render *re, unsigned int *rect);
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struct RenderLayer *RE_GetRenderLayer(struct RenderResult *rr, const char *name);
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float *RE_RenderLayerGetPass(struct RenderLayer *rl, int passtype);
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/* obligatory initialize call, disprect is optional */
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void RE_InitState (struct Render *re, struct RenderData *rd, int winx, int winy, rcti *disprect);
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/* use this to change disprect of active render */
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void RE_SetDispRect (struct Render *re, rcti *disprect);
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/* set up the viewplane/perspective matrix, three choices */
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void RE_SetCamera(struct Render *re, struct Object *camera);
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void RE_SetWindow (struct Render *re, rctf *viewplane, float clipsta, float clipend);
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void RE_SetOrtho (struct Render *re, rctf *viewplane, float clipsta, float clipend);
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void RE_SetPixelSize(struct Render *re, float pixsize);
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/* option to set viewmatrix before making dbase */
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void RE_SetView (struct Render *re, float mat[][4]);
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/* make or free the dbase */
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void RE_Database_FromScene(struct Render *re, struct Scene *scene, int use_camera_view);
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void RE_Database_Free (struct Render *re);
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/* project dbase again, when viewplane/perspective changed */
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void RE_DataBase_ApplyWindow(struct Render *re);
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/* override the scene setting for amount threads, commandline */
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void RE_set_max_threads(int threads);
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/* the main processor, assumes all was set OK! */
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void RE_TileProcessor(struct Render *re, int firsttile, int threaded);
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/* only RE_NewRender() needed, main Blender render calls */
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void RE_BlenderFrame(struct Render *re, struct Scene *scene, int frame);
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void RE_BlenderAnim(struct Render *re, struct Scene *scene, int sfra, int efra);
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void RE_ReadRenderResult(struct Scene *scene, struct Scene *scenode);
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void RE_WriteRenderResult(RenderResult *rr, char *filename, int compress);
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struct RenderResult *RE_MultilayerConvert(void *exrhandle, int rectx, int recty);
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/* ancient stars function... go away! */
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void RE_make_stars(struct Render *re, void (*initfunc)(void),
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void (*vertexfunc)(float*), void (*termfunc)(void));
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/* display and event callbacks */
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void RE_display_init_cb (struct Render *re, void (*f)(RenderResult *rr));
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void RE_display_clear_cb(struct Render *re, void (*f)(RenderResult *rr));
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void RE_display_draw_cb (struct Render *re, void (*f)(RenderResult *rr, volatile struct rcti *rect));
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void RE_stats_draw_cb (struct Render *re, void (*f)(RenderStats *rs));
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void RE_timecursor_cb (struct Render *re, void (*f)(int));
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void RE_test_break_cb (struct Render *re, int (*f)(void));
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void RE_test_return_cb (struct Render *re, int (*f)(void));
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void RE_error_cb (struct Render *re, void (*f)(char *str));
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/* should move to kernel once... still unsure on how/where */
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float RE_filter_value(int type, float x);
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/* vector blur zbuffer method */
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void RE_zbuf_accumulate_vecblur(struct NodeBlurData *nbd, int xsize, int ysize, float *newrect, float *imgrect, float *vecbufrect, float *zbufrect);
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/* shaded view or baking options */
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#define RE_BAKE_LIGHT 0
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#define RE_BAKE_ALL 1
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#define RE_BAKE_AO 2
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#define RE_BAKE_NORMALS 3
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#define RE_BAKE_TEXTURE 4
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#define RE_BAKE_DISPLACEMENT 5
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void RE_Database_Baking(struct Render *re, struct Scene *scene, int type, struct Object *actob);
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void RE_DataBase_GetView(struct Render *re, float mat[][4]);
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void RE_GetCameraWindow(struct Render *re, struct Object *camera, int frame, float mat[][4]);
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#endif /* RE_PIPELINE_H */
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