473 lines
15 KiB
C++
473 lines
15 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
|
|
* Copyright 2006 Blender Foundation. All rights reserved. */
|
|
|
|
/** \file
|
|
* \ingroup render
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "DNA_ID.h"
|
|
#include "DNA_listBase.h"
|
|
#include "DNA_vec_types.h"
|
|
|
|
struct ImBuf;
|
|
struct Image;
|
|
struct ImageFormatData;
|
|
struct Main;
|
|
struct Object;
|
|
struct RenderData;
|
|
struct RenderResult;
|
|
struct ReportList;
|
|
struct Scene;
|
|
struct StampData;
|
|
struct ViewLayer;
|
|
struct bMovieHandle;
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
|
|
/* this include is what is exposed of render to outside world */
|
|
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
|
|
|
|
/* length of the scene name + passname */
|
|
#define RE_MAXNAME ((MAX_ID_NAME - 2) + 10)
|
|
|
|
/* only used as handle */
|
|
typedef struct Render Render;
|
|
|
|
/* Render Result usage:
|
|
*
|
|
* - render engine allocates/frees and delivers raw floating point rects
|
|
* - right now it's full rects, but might become tiles or file
|
|
* - the display client has to allocate display rects, sort out what to display,
|
|
* and how it's converted
|
|
*/
|
|
|
|
typedef struct RenderView {
|
|
struct RenderView *next, *prev;
|
|
char name[64]; /* EXR_VIEW_MAXNAME */
|
|
|
|
/* if this exists, result of composited layers */
|
|
float *rectf;
|
|
/* if this exists, result of composited layers */
|
|
float *rectz;
|
|
/* optional, 32 bits version of picture, used for sequencer, ogl render and image curves */
|
|
int *rect32;
|
|
|
|
} RenderView;
|
|
|
|
typedef struct RenderPass {
|
|
struct RenderPass *next, *prev;
|
|
int channels;
|
|
char name[64]; /* amount defined in IMB_openexr.h */
|
|
char chan_id[8]; /* amount defined in IMB_openexr.h */
|
|
float *rect;
|
|
int rectx, recty;
|
|
|
|
char fullname[64]; /* EXR_PASS_MAXNAME */
|
|
char view[64]; /* EXR_VIEW_MAXNAME */
|
|
int view_id; /* quick lookup */
|
|
|
|
int pad;
|
|
} RenderPass;
|
|
|
|
/**
|
|
* - A render-layer is a full image, but with all passes and samples.
|
|
* - The size of the rects is defined in #RenderResult.
|
|
* - After render, the Combined pass is in combined,
|
|
* for render-layers read from files it is a real pass.
|
|
*/
|
|
typedef struct RenderLayer {
|
|
struct RenderLayer *next, *prev;
|
|
|
|
/** copy of RenderData */
|
|
char name[RE_MAXNAME];
|
|
int layflag, passflag, pass_xor;
|
|
|
|
int rectx, recty;
|
|
|
|
/** Optional saved endresult on disk. */
|
|
void *exrhandle;
|
|
|
|
ListBase passes;
|
|
|
|
} RenderLayer;
|
|
|
|
typedef struct RenderResult {
|
|
struct RenderResult *next, *prev;
|
|
|
|
/* target image size */
|
|
int rectx, recty;
|
|
|
|
/* The following rect32, rectf and rectz buffers are for temporary storage only,
|
|
* for RenderResult structs created in #RE_AcquireResultImage - which do not have RenderView */
|
|
|
|
/* optional, 32 bits version of picture, used for ogl render and image curves */
|
|
int *rect32;
|
|
/* if this exists, a copy of one of layers, or result of composited layers */
|
|
float *rectf;
|
|
/* if this exists, a copy of one of layers, or result of composited layers */
|
|
float *rectz;
|
|
|
|
/* coordinates within final image (after cropping) */
|
|
rcti tilerect;
|
|
/* offset to apply to get a border render in full image */
|
|
int xof, yof;
|
|
|
|
/* the main buffers */
|
|
ListBase layers;
|
|
|
|
/* multiView maps to a StringVector in OpenEXR */
|
|
ListBase views; /* RenderView */
|
|
|
|
/* Render layer to display. */
|
|
RenderLayer *renlay;
|
|
|
|
/* for render results in Image, verify validity for sequences */
|
|
int framenr;
|
|
|
|
/* for acquire image, to indicate if it there is a combined layer */
|
|
int have_combined;
|
|
|
|
/* render info text */
|
|
char *text;
|
|
char *error;
|
|
|
|
struct StampData *stamp_data;
|
|
|
|
bool passes_allocated;
|
|
} RenderResult;
|
|
|
|
typedef struct RenderStats {
|
|
int cfra;
|
|
bool localview;
|
|
double starttime, lastframetime;
|
|
const char *infostr, *statstr;
|
|
char scene_name[MAX_ID_NAME - 2];
|
|
float mem_used, mem_peak;
|
|
} RenderStats;
|
|
|
|
/* *********************** API ******************** */
|
|
|
|
/**
|
|
* The name is used as identifier, so elsewhere in blender the result can retrieved.
|
|
* Calling a new render with same name, frees automatic existing render.
|
|
*/
|
|
struct Render *RE_NewRender(const char *name);
|
|
struct Render *RE_GetRender(const char *name);
|
|
|
|
struct Scene;
|
|
struct Render *RE_NewSceneRender(const struct Scene *scene);
|
|
struct Render *RE_GetSceneRender(const struct Scene *scene);
|
|
|
|
/* Assign default dummy callbacks. */
|
|
|
|
/**
|
|
* Called for new renders and when finishing rendering
|
|
* so we always have valid callbacks on a render.
|
|
*/
|
|
void RE_InitRenderCB(struct Render *re);
|
|
|
|
/**
|
|
* Use free render as signal to do everything over (previews).
|
|
*
|
|
* Only call this while you know it will remove the link too.
|
|
*/
|
|
void RE_FreeRender(struct Render *re);
|
|
/**
|
|
* Only called on exit.
|
|
*/
|
|
void RE_FreeAllRender(void);
|
|
|
|
/**
|
|
* On file load, free render results.
|
|
*/
|
|
void RE_FreeAllRenderResults(void);
|
|
/**
|
|
* On file load or changes engines, free persistent render data.
|
|
* Assumes no engines are currently rendering.
|
|
*/
|
|
void RE_FreeAllPersistentData(void);
|
|
/**
|
|
* Free persistent render data, optionally only for the given scene.
|
|
*/
|
|
void RE_FreePersistentData(const struct Scene *scene);
|
|
|
|
/**
|
|
* Get results and statistics.
|
|
*/
|
|
void RE_FreeRenderResult(struct RenderResult *rr);
|
|
/**
|
|
* If you want to know exactly what has been done.
|
|
*/
|
|
struct RenderResult *RE_AcquireResultRead(struct Render *re);
|
|
struct RenderResult *RE_AcquireResultWrite(struct Render *re);
|
|
void RE_ReleaseResult(struct Render *re);
|
|
/**
|
|
* Same as #RE_AcquireResultImage but creating the necessary views to store the result
|
|
* fill provided result struct with a copy of thew views of what is done so far the
|
|
* #RenderResult.views #ListBase needs to be freed after with #RE_ReleaseResultImageViews
|
|
*/
|
|
void RE_AcquireResultImageViews(struct Render *re, struct RenderResult *rr);
|
|
/**
|
|
* Clear temporary #RenderResult struct.
|
|
*/
|
|
void RE_ReleaseResultImageViews(struct Render *re, struct RenderResult *rr);
|
|
|
|
/**
|
|
* Fill provided result struct with what's currently active or done.
|
|
* This #RenderResult struct is the only exception to the rule of a #RenderResult
|
|
* always having at least one #RenderView.
|
|
*/
|
|
void RE_AcquireResultImage(struct Render *re, struct RenderResult *rr, int view_id);
|
|
void RE_ReleaseResultImage(struct Render *re);
|
|
void RE_SwapResult(struct Render *re, struct RenderResult **rr);
|
|
void RE_ClearResult(struct Render *re);
|
|
struct RenderStats *RE_GetStats(struct Render *re);
|
|
|
|
/**
|
|
* Caller is responsible for allocating `rect` in correct size!
|
|
*/
|
|
void RE_ResultGet32(struct Render *re, unsigned int *rect);
|
|
/**
|
|
* Only for acquired results, for lock.
|
|
*
|
|
* \note The caller is responsible for allocating `rect` in correct size!
|
|
*/
|
|
void RE_AcquiredResultGet32(struct Render *re,
|
|
struct RenderResult *result,
|
|
unsigned int *rect,
|
|
int view_id);
|
|
|
|
void RE_render_result_full_channel_name(char *fullname,
|
|
const char *layname,
|
|
const char *passname,
|
|
const char *viewname,
|
|
const char *chan_id,
|
|
int channel);
|
|
|
|
struct ImBuf *RE_render_result_rect_to_ibuf(struct RenderResult *rr,
|
|
const struct ImageFormatData *imf,
|
|
const float dither,
|
|
int view_id);
|
|
void RE_render_result_rect_from_ibuf(struct RenderResult *rr,
|
|
const struct ImBuf *ibuf,
|
|
int view_id);
|
|
|
|
struct RenderLayer *RE_GetRenderLayer(struct RenderResult *rr, const char *name);
|
|
float *RE_RenderLayerGetPass(struct RenderLayer *rl, const char *name, const char *viewname);
|
|
|
|
bool RE_HasSingleLayer(struct Render *re);
|
|
|
|
/**
|
|
* Add passes for grease pencil.
|
|
* Create a render-layer and render-pass for grease-pencil layer.
|
|
*/
|
|
struct RenderPass *RE_create_gp_pass(struct RenderResult *rr,
|
|
const char *layername,
|
|
const char *viewname);
|
|
|
|
void RE_create_render_pass(struct RenderResult *rr,
|
|
const char *name,
|
|
int channels,
|
|
const char *chan_id,
|
|
const char *layername,
|
|
const char *viewname,
|
|
bool allocate);
|
|
|
|
/**
|
|
* Obligatory initialize call, doesn't change during entire render sequence.
|
|
* \param disprect: is optional. if NULL it assumes full window render.
|
|
*/
|
|
void RE_InitState(struct Render *re,
|
|
struct Render *source,
|
|
struct RenderData *rd,
|
|
struct ListBase *render_layers,
|
|
struct ViewLayer *single_layer,
|
|
int winx,
|
|
int winy,
|
|
rcti *disprect);
|
|
|
|
/**
|
|
* Set up the view-plane/perspective matrix, three choices.
|
|
*
|
|
* \return camera override if set.
|
|
*/
|
|
struct Object *RE_GetCamera(struct Render *re);
|
|
void RE_SetOverrideCamera(struct Render *re, struct Object *cam_ob);
|
|
/**
|
|
* Per render, there's one persistent view-plane. Parts will set their own view-planes.
|
|
*
|
|
* \note call this after #RE_InitState().
|
|
*/
|
|
void RE_SetCamera(struct Render *re, const struct Object *cam_ob);
|
|
|
|
/**
|
|
* Get current view and window transform.
|
|
*/
|
|
void RE_GetViewPlane(struct Render *re, rctf *r_viewplane, rcti *r_disprect);
|
|
|
|
/**
|
|
* Set the render threads based on the command-line and auto-threads setting.
|
|
*/
|
|
void RE_init_threadcount(Render *re);
|
|
|
|
bool RE_WriteRenderViewsMovie(struct ReportList *reports,
|
|
struct RenderResult *rr,
|
|
struct Scene *scene,
|
|
struct RenderData *rd,
|
|
struct bMovieHandle *mh,
|
|
void **movie_ctx_arr,
|
|
int totvideos,
|
|
bool preview);
|
|
|
|
/**
|
|
* General Blender frame render call.
|
|
*
|
|
* \note Only #RE_NewRender() needed, main Blender render calls.
|
|
*
|
|
* \param write_still: Saves frames to disk (typically disabled). Useful for batch-operations
|
|
* (rendering from Python for e.g.) when an additional save action for is inconvenient.
|
|
* This is the default behavior for #RE_RenderAnim.
|
|
*/
|
|
void RE_RenderFrame(struct Render *re,
|
|
struct Main *bmain,
|
|
struct Scene *scene,
|
|
struct ViewLayer *single_layer,
|
|
struct Object *camera_override,
|
|
int frame,
|
|
float subframe,
|
|
bool write_still);
|
|
/**
|
|
* A version of #RE_RenderFrame that saves images to disk.
|
|
*/
|
|
void RE_RenderAnim(struct Render *re,
|
|
struct Main *bmain,
|
|
struct Scene *scene,
|
|
struct ViewLayer *single_layer,
|
|
struct Object *camera_override,
|
|
int sfra,
|
|
int efra,
|
|
int tfra);
|
|
#ifdef WITH_FREESTYLE
|
|
void RE_RenderFreestyleStrokes(struct Render *re,
|
|
struct Main *bmain,
|
|
struct Scene *scene,
|
|
int render);
|
|
void RE_RenderFreestyleExternal(struct Render *re);
|
|
#endif
|
|
|
|
void RE_SetActiveRenderView(struct Render *re, const char *viewname);
|
|
const char *RE_GetActiveRenderView(struct Render *re);
|
|
|
|
/**
|
|
* Error reporting.
|
|
*/
|
|
void RE_SetReports(struct Render *re, struct ReportList *reports);
|
|
|
|
/**
|
|
* Main preview render call.
|
|
*/
|
|
void RE_PreviewRender(struct Render *re, struct Main *bmain, struct Scene *scene);
|
|
|
|
/**
|
|
* Only the temp file!
|
|
*/
|
|
bool RE_ReadRenderResult(struct Scene *scene, struct Scene *scenode);
|
|
|
|
struct RenderResult *RE_MultilayerConvert(
|
|
void *exrhandle, const char *colorspace, bool predivide, int rectx, int recty);
|
|
|
|
/* Display and event callbacks. */
|
|
|
|
/**
|
|
* Image and movie output has to move to either imbuf or kernel.
|
|
*/
|
|
void RE_display_init_cb(struct Render *re,
|
|
void *handle,
|
|
void (*f)(void *handle, RenderResult *rr));
|
|
void RE_display_clear_cb(struct Render *re,
|
|
void *handle,
|
|
void (*f)(void *handle, RenderResult *rr));
|
|
void RE_display_update_cb(struct Render *re,
|
|
void *handle,
|
|
void (*f)(void *handle, RenderResult *rr, struct rcti *rect));
|
|
void RE_stats_draw_cb(struct Render *re, void *handle, void (*f)(void *handle, RenderStats *rs));
|
|
void RE_progress_cb(struct Render *re, void *handle, void (*f)(void *handle, float));
|
|
void RE_draw_lock_cb(struct Render *re, void *handle, void (*f)(void *handle, bool lock));
|
|
void RE_test_break_cb(struct Render *re, void *handle, int (*f)(void *handle));
|
|
void RE_current_scene_update_cb(struct Render *re,
|
|
void *handle,
|
|
void (*f)(void *handle, struct Scene *scene));
|
|
|
|
void RE_gl_context_create(Render *re);
|
|
void RE_gl_context_destroy(Render *re);
|
|
void *RE_gl_context_get(Render *re);
|
|
void *RE_gpu_context_get(Render *re);
|
|
|
|
/**
|
|
* \param x: ranges from -1 to 1.
|
|
*
|
|
* TODO: Should move to kernel once... still unsure on how/where.
|
|
*/
|
|
float RE_filter_value(int type, float x);
|
|
|
|
int RE_seq_render_active(struct Scene *scene, struct RenderData *rd);
|
|
|
|
/**
|
|
* Used in the interface to decide whether to show layers or passes.
|
|
*/
|
|
bool RE_layers_have_name(struct RenderResult *result);
|
|
bool RE_passes_have_name(struct RenderLayer *rl);
|
|
|
|
struct RenderPass *RE_pass_find_by_name(struct RenderLayer *rl,
|
|
const char *name,
|
|
const char *viewname);
|
|
/**
|
|
* Only provided for API compatibility, don't use this in new code!
|
|
*/
|
|
struct RenderPass *RE_pass_find_by_type(struct RenderLayer *rl,
|
|
int passtype,
|
|
const char *viewname);
|
|
|
|
/* shaded view or baking options */
|
|
#define RE_BAKE_NORMALS 0
|
|
#define RE_BAKE_DISPLACEMENT 1
|
|
#define RE_BAKE_AO 2
|
|
|
|
void RE_GetCameraWindow(struct Render *re, const struct Object *camera, float mat[4][4]);
|
|
/**
|
|
* Must be called after #RE_GetCameraWindow(), does not change `re->winmat`.
|
|
*/
|
|
void RE_GetCameraWindowWithOverscan(const struct Render *re, float overscan, float r_winmat[4][4]);
|
|
void RE_GetCameraModelMatrix(const struct Render *re,
|
|
const struct Object *camera,
|
|
float r_modelmat[4][4]);
|
|
|
|
struct Scene *RE_GetScene(struct Render *re);
|
|
void RE_SetScene(struct Render *re, struct Scene *sce);
|
|
|
|
bool RE_is_rendering_allowed(struct Scene *scene,
|
|
struct ViewLayer *single_layer,
|
|
struct Object *camera_override,
|
|
struct ReportList *reports);
|
|
|
|
bool RE_allow_render_generic_object(struct Object *ob);
|
|
|
|
/******* defined in render_result.c *********/
|
|
|
|
bool RE_HasCombinedLayer(const RenderResult *result);
|
|
bool RE_HasFloatPixels(const RenderResult *result);
|
|
bool RE_RenderResult_is_stereo(const RenderResult *result);
|
|
struct RenderView *RE_RenderViewGetById(struct RenderResult *rr, int view_id);
|
|
struct RenderView *RE_RenderViewGetByName(struct RenderResult *rr, const char *viewname);
|
|
|
|
RenderResult *RE_DuplicateRenderResult(RenderResult *rr);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|