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blender-archive/source/blender/editors/render/render_opengl.c
Jason Wilkins 8d084e8c8f Ghost Context Refactor 
https://developer.blender.org/D643
Separates graphics context creation from window code in Ghost so that they can vary separately.
2014-10-07 15:47:32 -05:00

817 lines
23 KiB
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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2008 Blender Foundation.
* All rights reserved.
*
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/render/render_opengl.c
* \ingroup edrend
*/
#include <math.h>
#include <string.h>
#include <stddef.h>
#include "MEM_guardedalloc.h"
#include "BLI_math.h"
#include "BLI_math_color_blend.h"
#include "BLI_blenlib.h"
#include "BLI_utildefines.h"
#include "BLI_jitter.h"
#include "DNA_scene_types.h"
#include "DNA_object_types.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_image.h"
#include "BKE_main.h"
#include "BKE_report.h"
#include "BKE_scene.h"
#include "BKE_sequencer.h"
#include "BKE_writeavi.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_screen.h"
#include "ED_view3d.h"
#include "ED_gpencil.h"
#include "RE_pipeline.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "IMB_colormanagement.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "GPU_extensions.h"
#include "GPU_glew.h"
#include "wm_window.h"
#include "render_intern.h"
typedef struct OGLRender {
Main *bmain;
Render *re;
Scene *scene;
View3D *v3d;
RegionView3D *rv3d;
ARegion *ar;
ScrArea *prevsa;
ARegion *prevar;
bool is_sequencer;
SpaceSeq *sseq;
Image *ima;
ImageUser iuser;
GPUOffScreen *ofs;
int sizex, sizey;
int write_still;
ReportList *reports;
bMovieHandle *mh;
int cfrao, nfra;
/* wm vars for timer and progress cursor */
wmWindowManager *wm;
wmWindow *win;
wmTimer *timer; /* use to check if running modal or not (invoke'd or exec'd)*/
} OGLRender;
/* added because v3d is not always valid */
static unsigned int screen_opengl_layers(OGLRender *oglrender)
{
if (oglrender->v3d) {
return oglrender->scene->lay | oglrender->v3d->lay;
}
else {
return oglrender->scene->lay;
}
}
static void screen_opengl_render_apply(OGLRender *oglrender)
{
Scene *scene = oglrender->scene;
ARegion *ar = oglrender->ar;
View3D *v3d = oglrender->v3d;
RegionView3D *rv3d = oglrender->rv3d;
RenderResult *rr;
Object *camera = NULL;
ImBuf *ibuf;
void *lock;
float winmat[4][4];
int sizex = oglrender->sizex;
int sizey = oglrender->sizey;
const short view_context = (v3d != NULL);
bool draw_bgpic = true;
bool draw_sky = (scene->r.alphamode == R_ADDSKY);
unsigned char *rect = NULL;
rr = RE_AcquireResultRead(oglrender->re);
if (oglrender->is_sequencer) {
SeqRenderData context;
SpaceSeq *sseq = oglrender->sseq;
int chanshown = sseq ? sseq->chanshown : 0;
struct bGPdata *gpd = (sseq && (sseq->flag & SEQ_SHOW_GPENCIL)) ? sseq->gpd : NULL;
context = BKE_sequencer_new_render_data(oglrender->bmain->eval_ctx, oglrender->bmain,
scene, oglrender->sizex, oglrender->sizey, 100.0f);
ibuf = BKE_sequencer_give_ibuf(&context, CFRA, chanshown);
if (ibuf) {
ImBuf *linear_ibuf;
BLI_assert((oglrender->sizex == ibuf->x) && (oglrender->sizey == ibuf->y));
linear_ibuf = IMB_dupImBuf(ibuf);
IMB_freeImBuf(ibuf);
if (linear_ibuf->rect_float == NULL) {
/* internally sequencer working in display space and stores both bytes and float buffers in that space.
* It is possible that byte->float onversion didn't happen in sequencer (e.g. when adding image sequence/movie
* into sequencer) there'll be only byte buffer. Create float buffer from existing byte buffer, making it linear
*/
IMB_float_from_rect(linear_ibuf);
}
else {
/* ensure float buffer is in linear space, not in display space */
BKE_sequencer_imbuf_from_sequencer_space(scene, linear_ibuf);
}
memcpy(rr->rectf, linear_ibuf->rect_float, sizeof(float) * 4 * oglrender->sizex * oglrender->sizey);
IMB_freeImBuf(linear_ibuf);
}
if (gpd) {
int i;
unsigned char *gp_rect;
GPU_offscreen_bind(oglrender->ofs);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
wmOrtho2(0, sizex, 0, sizey);
glTranslatef(sizex / 2, sizey / 2, 0.0f);
ED_gpencil_draw_ex(gpd, sizex, sizey, scene->r.cfra);
gp_rect = MEM_mallocN(sizex * sizey * sizeof(unsigned char) * 4, "offscreen rect");
GPU_offscreen_read_pixels(oglrender->ofs, GL_UNSIGNED_BYTE, gp_rect);
for (i = 0; i < sizex * sizey * 4; i += 4) {
float col_src[4];
rgba_uchar_to_float(col_src, &gp_rect[i]);
blend_color_mix_float(&rr->rectf[i], &rr->rectf[i], col_src);
}
GPU_offscreen_unbind(oglrender->ofs);
MEM_freeN(gp_rect);
}
}
else if (view_context) {
ED_view3d_draw_offscreen_init(scene, v3d);
GPU_offscreen_bind(oglrender->ofs); /* bind */
/* render 3d view */
if (rv3d->persp == RV3D_CAMOB && v3d->camera) {
/*int is_ortho = scene->r.mode & R_ORTHO;*/
camera = v3d->camera;
RE_GetCameraWindow(oglrender->re, camera, scene->r.cfra, winmat);
}
else {
rctf viewplane;
float clipsta, clipend;
bool is_ortho = ED_view3d_viewplane_get(v3d, rv3d, sizex, sizey, &viewplane, &clipsta, &clipend, NULL);
if (is_ortho) orthographic_m4(winmat, viewplane.xmin, viewplane.xmax, viewplane.ymin, viewplane.ymax, -clipend, clipend);
else perspective_m4(winmat, viewplane.xmin, viewplane.xmax, viewplane.ymin, viewplane.ymax, clipsta, clipend);
}
rect = MEM_mallocN(sizex * sizey * sizeof(unsigned char) * 4, "offscreen rect");
if ((scene->r.mode & R_OSA) == 0) {
ED_view3d_draw_offscreen(scene, v3d, ar, sizex, sizey, NULL, winmat, draw_bgpic, draw_sky);
GPU_offscreen_read_pixels(oglrender->ofs, GL_UNSIGNED_BYTE, rect);
}
else {
/* simple accumulation, less hassle then FSAA FBO's */
static float jit_ofs[32][2];
float winmat_jitter[4][4];
int *accum_buffer = MEM_mallocN(sizex * sizey * sizeof(int) * 4, "accum1");
int i, j;
BLI_jitter_init(jit_ofs, scene->r.osa);
/* first sample buffer, also initializes 'rv3d->persmat' */
ED_view3d_draw_offscreen(scene, v3d, ar, sizex, sizey, NULL, winmat, draw_bgpic, draw_sky);
GPU_offscreen_read_pixels(oglrender->ofs, GL_UNSIGNED_BYTE, rect);
for (i = 0; i < sizex * sizey * 4; i++)
accum_buffer[i] = rect[i];
/* skip the first sample */
for (j = 1; j < scene->r.osa; j++) {
copy_m4_m4(winmat_jitter, winmat);
window_translate_m4(winmat_jitter, rv3d->persmat,
(jit_ofs[j][0] * 2.0f) / sizex,
(jit_ofs[j][1] * 2.0f) / sizey);
ED_view3d_draw_offscreen(scene, v3d, ar, sizex, sizey, NULL, winmat_jitter, draw_bgpic, draw_sky);
GPU_offscreen_read_pixels(oglrender->ofs, GL_UNSIGNED_BYTE, rect);
for (i = 0; i < sizex * sizey * 4; i++)
accum_buffer[i] += rect[i];
}
for (i = 0; i < sizex * sizey * 4; i++)
rect[i] = accum_buffer[i] / scene->r.osa;
MEM_freeN(accum_buffer);
}
GPU_offscreen_unbind(oglrender->ofs); /* unbind */
}
else {
/* shouldnt suddenly give errors mid-render but possible */
char err_out[256] = "unknown";
ImBuf *ibuf_view = ED_view3d_draw_offscreen_imbuf_simple(scene, scene->camera, oglrender->sizex, oglrender->sizey,
IB_rect, OB_SOLID, false, true,
(draw_sky) ? R_ADDSKY : R_ALPHAPREMUL, err_out);
camera = scene->camera;
if (ibuf_view) {
/* steal rect reference from ibuf */
rect = (unsigned char *)ibuf_view->rect;
ibuf_view->mall &= ~IB_rect;
IMB_freeImBuf(ibuf_view);
}
else {
fprintf(stderr, "%s: failed to get buffer, %s\n", __func__, err_out);
}
}
/* note on color management:
*
* OpenGL renders into sRGB colors, but render buffers are expected to be
* linear So we convert to linear here, so the conversion back to bytes can make it
* sRGB (or other display space) again, and so that e.g. openexr saving also saves the
* correct linear float buffer.
*/
if (rect) {
int profile_to;
if (BKE_scene_check_color_management_enabled(scene))
profile_to = IB_PROFILE_LINEAR_RGB;
else
profile_to = IB_PROFILE_SRGB;
/* sequencer has got trickier conversion happened above
* also assume opengl's space matches byte buffer color space */
IMB_buffer_float_from_byte(rr->rectf, rect,
profile_to, IB_PROFILE_SRGB, true,
oglrender->sizex, oglrender->sizey, oglrender->sizex, oglrender->sizex);
}
/* rr->rectf is now filled with image data */
if ((scene->r.stamp & R_STAMP_ALL) && (scene->r.stamp & R_STAMP_DRAW))
BKE_stamp_buf(scene, camera, rect, rr->rectf, rr->rectx, rr->recty, 4);
RE_ReleaseResult(oglrender->re);
/* update byte from float buffer */
ibuf = BKE_image_acquire_ibuf(oglrender->ima, &oglrender->iuser, &lock);
if (ibuf) {
ibuf->userflags |= IB_DISPLAY_BUFFER_INVALID;
/* write file for animation */
if (oglrender->write_still) {
char name[FILE_MAX];
int ok;
if (scene->r.im_format.planes == R_IMF_CHAN_DEPTH_8) {
IMB_color_to_bw(ibuf);
}
BKE_makepicstring(name, scene->r.pic, oglrender->bmain->name, scene->r.cfra,
&scene->r.im_format, (scene->r.scemode & R_EXTENSION) != 0, false);
ok = BKE_imbuf_write_as(ibuf, name, &scene->r.im_format, true); /* no need to stamp here */
if (ok) printf("OpenGL Render written to '%s'\n", name);
else printf("OpenGL Render failed to write '%s'\n", name);
}
}
BKE_image_release_ibuf(oglrender->ima, ibuf, lock);
if (rect)
MEM_freeN(rect);
}
static bool screen_opengl_render_init(bContext *C, wmOperator *op)
{
/* new render clears all callbacks */
wmWindowManager *wm = CTX_wm_manager(C);
wmWindow *win = CTX_wm_window(C);
Scene *scene = CTX_data_scene(C);
ScrArea *prevsa = CTX_wm_area(C);
ARegion *prevar = CTX_wm_region(C);
RenderResult *rr;
GPUOffScreen *ofs;
OGLRender *oglrender;
int sizex, sizey;
bool is_view_context = RNA_boolean_get(op->ptr, "view_context");
const bool is_animation = RNA_boolean_get(op->ptr, "animation");
const bool is_sequencer = RNA_boolean_get(op->ptr, "sequencer");
const bool is_write_still = RNA_boolean_get(op->ptr, "write_still");
char err_out[256] = "unknown";
if (G.background) {
BKE_report(op->reports, RPT_ERROR, "Cannot use OpenGL render in background mode (no opengl context)");
return false;
}
/* only one render job at a time */
if (WM_jobs_test(wm, scene, WM_JOB_TYPE_RENDER))
return false;
if (is_sequencer) {
is_view_context = false;
}
else {
/* ensure we have a 3d view */
if (!ED_view3d_context_activate(C)) {
RNA_boolean_set(op->ptr, "view_context", false);
is_view_context = false;
}
if (!is_view_context && scene->camera == NULL) {
BKE_report(op->reports, RPT_ERROR, "Scene has no camera");
return false;
}
}
if (!is_animation && is_write_still && BKE_imtype_is_movie(scene->r.im_format.imtype)) {
BKE_report(op->reports, RPT_ERROR, "Cannot write a single file with an animation format selected");
return false;
}
/* stop all running jobs, except screen one. currently previews frustrate Render */
WM_jobs_kill_all_except(wm, CTX_wm_screen(C));
/* create offscreen buffer */
sizex = (scene->r.size * scene->r.xsch) / 100;
sizey = (scene->r.size * scene->r.ysch) / 100;
/* corrects render size with actual size, not every card supports non-power-of-two dimensions */
ofs = GPU_offscreen_create(sizex, sizey, err_out);
if (!ofs) {
BKE_reportf(op->reports, RPT_ERROR, "Failed to create OpenGL off-screen buffer, %s", err_out);
return false;
}
/* allocate opengl render */
oglrender = MEM_callocN(sizeof(OGLRender), "OGLRender");
op->customdata = oglrender;
oglrender->ofs = ofs;
oglrender->sizex = sizex;
oglrender->sizey = sizey;
oglrender->bmain = CTX_data_main(C);
oglrender->scene = scene;
oglrender->cfrao = scene->r.cfra;
oglrender->write_still = is_write_still && !is_animation;
oglrender->is_sequencer = is_sequencer;
if (is_sequencer) {
oglrender->sseq = CTX_wm_space_seq(C);
}
oglrender->prevsa = prevsa;
oglrender->prevar = prevar;
if (is_view_context) {
ED_view3d_context_user_region(C, &oglrender->v3d, &oglrender->ar); /* so quad view renders camera */
oglrender->rv3d = oglrender->ar->regiondata;
/* MUST be cleared on exit */
oglrender->scene->customdata_mask_modal = ED_view3d_datamask(oglrender->scene, oglrender->v3d);
/* apply immediately in case we're rendering from a script,
* running notifiers again will overwrite */
oglrender->scene->customdata_mask |= oglrender->scene->customdata_mask_modal;
}
/* create render */
oglrender->re = RE_NewRender(scene->id.name);
/* create image and image user */
oglrender->ima = BKE_image_verify_viewer(IMA_TYPE_R_RESULT, "Render Result");
BKE_image_signal(oglrender->ima, NULL, IMA_SIGNAL_FREE);
BKE_image_backup_render(oglrender->scene, oglrender->ima);
oglrender->iuser.scene = scene;
oglrender->iuser.ok = 1;
/* create render result */
RE_InitState(oglrender->re, NULL, &scene->r, NULL, sizex, sizey, NULL);
rr = RE_AcquireResultWrite(oglrender->re);
if (rr->rectf == NULL)
rr->rectf = MEM_callocN(sizeof(float) * 4 * sizex * sizey, "screen_opengl_render_init rect");
RE_ReleaseResult(oglrender->re);
/* wm vars */
oglrender->wm = wm;
oglrender->win = win;
return true;
}
static void screen_opengl_render_end(bContext *C, OGLRender *oglrender)
{
Main *bmain = CTX_data_main(C);
Scene *scene = oglrender->scene;
if (oglrender->mh) {
if (BKE_imtype_is_movie(scene->r.im_format.imtype))
oglrender->mh->end_movie();
}
if (oglrender->timer) { /* exec will not have a timer */
scene->r.cfra = oglrender->cfrao;
BKE_scene_update_for_newframe(bmain->eval_ctx, bmain, scene, screen_opengl_layers(oglrender));
WM_event_remove_timer(oglrender->wm, oglrender->win, oglrender->timer);
}
WM_cursor_modal_restore(oglrender->win);
WM_event_add_notifier(C, NC_SCENE | ND_RENDER_RESULT, oglrender->scene);
GPU_offscreen_free(oglrender->ofs);
oglrender->scene->customdata_mask_modal = 0;
CTX_wm_area_set(C, oglrender->prevsa);
CTX_wm_region_set(C, oglrender->prevar);
MEM_freeN(oglrender);
}
static void screen_opengl_render_cancel(bContext *C, wmOperator *op)
{
screen_opengl_render_end(C, op->customdata);
}
/* share between invoke and exec */
static int screen_opengl_render_anim_initialize(bContext *C, wmOperator *op)
{
/* initialize animation */
OGLRender *oglrender;
Scene *scene;
oglrender = op->customdata;
scene = oglrender->scene;
oglrender->reports = op->reports;
oglrender->mh = BKE_movie_handle_get(scene->r.im_format.imtype);
if (BKE_imtype_is_movie(scene->r.im_format.imtype)) {
if (!oglrender->mh->start_movie(scene, &scene->r, oglrender->sizex, oglrender->sizey, oglrender->reports)) {
screen_opengl_render_end(C, oglrender);
return 0;
}
}
oglrender->cfrao = scene->r.cfra;
oglrender->nfra = PSFRA;
scene->r.cfra = PSFRA;
return 1;
}
static bool screen_opengl_render_anim_step(bContext *C, wmOperator *op)
{
Main *bmain = CTX_data_main(C);
OGLRender *oglrender = op->customdata;
Scene *scene = oglrender->scene;
ImBuf *ibuf, *ibuf_save = NULL;
void *lock;
char name[FILE_MAX];
bool ok = false;
const bool view_context = (oglrender->v3d != NULL);
Object *camera = NULL;
bool is_movie;
/* go to next frame */
if (CFRA < oglrender->nfra)
CFRA++;
while (CFRA < oglrender->nfra) {
unsigned int lay = screen_opengl_layers(oglrender);
if (lay & 0xFF000000)
lay &= 0xFF000000;
BKE_scene_update_for_newframe(bmain->eval_ctx, bmain, scene, lay);
CFRA++;
}
is_movie = BKE_imtype_is_movie(scene->r.im_format.imtype);
if (!is_movie) {
BKE_makepicstring(name, scene->r.pic, oglrender->bmain->name, scene->r.cfra,
&scene->r.im_format, (scene->r.scemode & R_EXTENSION) != 0, true);
if ((scene->r.mode & R_NO_OVERWRITE) && BLI_exists(name)) {
BKE_reportf(op->reports, RPT_INFO, "Skipping existing frame \"%s\"", name);
ok = true;
goto finally;
}
}
WM_cursor_time(oglrender->win, scene->r.cfra);
BKE_scene_update_for_newframe(bmain->eval_ctx, bmain, scene, screen_opengl_layers(oglrender));
if (view_context) {
if (oglrender->rv3d->persp == RV3D_CAMOB && oglrender->v3d->camera && oglrender->v3d->scenelock) {
/* since BKE_scene_update_for_newframe() is used rather
* then ED_update_for_newframe() the camera needs to be set */
if (BKE_scene_camera_switch_update(scene)) {
oglrender->v3d->camera = scene->camera;
}
camera = oglrender->v3d->camera;
}
}
else {
BKE_scene_camera_switch_update(scene);
camera = scene->camera;
}
/* render into offscreen buffer */
screen_opengl_render_apply(oglrender);
/* save to disk */
ibuf = BKE_image_acquire_ibuf(oglrender->ima, &oglrender->iuser, &lock);
if (ibuf) {
bool needs_free = false;
ibuf_save = ibuf;
if (is_movie || !BKE_imtype_requires_linear_float(scene->r.im_format.imtype)) {
ibuf_save = IMB_colormanagement_imbuf_for_write(ibuf, true, true, &scene->view_settings,
&scene->display_settings, &scene->r.im_format);
needs_free = true;
}
/* color -> grayscale */
/* editing directly would alter the render view */
if (scene->r.im_format.planes == R_IMF_PLANES_BW) {
ImBuf *ibuf_bw = IMB_dupImBuf(ibuf_save);
IMB_color_to_bw(ibuf_bw);
if (needs_free)
IMB_freeImBuf(ibuf_save);
ibuf_save = ibuf_bw;
}
else {
/* this is lightweight & doesnt re-alloc the buffers, only do this
* to save the correct bit depth since the image is always RGBA */
ImBuf *ibuf_cpy = IMB_allocImBuf(ibuf_save->x, ibuf_save->y, scene->r.im_format.planes, 0);
ibuf_cpy->rect = ibuf_save->rect;
ibuf_cpy->rect_float = ibuf_save->rect_float;
ibuf_cpy->zbuf_float = ibuf_save->zbuf_float;
if (needs_free) {
ibuf_cpy->mall = ibuf_save->mall;
ibuf_save->mall = 0;
IMB_freeImBuf(ibuf_save);
}
ibuf_save = ibuf_cpy;
}
if (is_movie) {
ok = oglrender->mh->append_movie(&scene->r, PSFRA, CFRA, (int *)ibuf_save->rect,
oglrender->sizex, oglrender->sizey, oglrender->reports);
if (ok) {
printf("Append frame %d", scene->r.cfra);
BKE_reportf(op->reports, RPT_INFO, "Appended frame: %d", scene->r.cfra);
}
}
else {
ok = BKE_imbuf_write_stamp(scene, camera, ibuf_save, name, &scene->r.im_format);
if (ok == 0) {
printf("Write error: cannot save %s\n", name);
BKE_reportf(op->reports, RPT_ERROR, "Write error: cannot save %s", name);
}
else {
printf("Saved: %s", name);
BKE_reportf(op->reports, RPT_INFO, "Saved file: %s", name);
}
}
if (needs_free)
IMB_freeImBuf(ibuf_save);
}
BKE_image_release_ibuf(oglrender->ima, ibuf, lock);
/* movie stats prints have no line break */
printf("\n");
finally: /* Step the frame and bail early if needed */
/* go to next frame */
oglrender->nfra += scene->r.frame_step;
/* stop at the end or on error */
if (CFRA >= PEFRA || !ok) {
screen_opengl_render_end(C, op->customdata);
return 0;
}
return 1;
}
static int screen_opengl_render_modal(bContext *C, wmOperator *op, const wmEvent *event)
{
OGLRender *oglrender = op->customdata;
const bool anim = RNA_boolean_get(op->ptr, "animation");
bool ret;
switch (event->type) {
case ESCKEY:
/* cancel */
screen_opengl_render_end(C, op->customdata);
return OPERATOR_FINISHED;
case TIMER:
/* render frame? */
if (oglrender->timer == event->customdata)
break;
/* fall-through */
default:
/* nothing to do */
return OPERATOR_RUNNING_MODAL;
}
/* run first because screen_opengl_render_anim_step can free oglrender */
WM_event_add_notifier(C, NC_SCENE | ND_RENDER_RESULT, oglrender->scene);
if (anim == 0) {
screen_opengl_render_apply(op->customdata);
screen_opengl_render_end(C, op->customdata);
return OPERATOR_FINISHED;
}
else {
ret = screen_opengl_render_anim_step(C, op);
}
/* stop at the end or on error */
if (ret == false) {
return OPERATOR_FINISHED;
}
return OPERATOR_RUNNING_MODAL;
}
static int screen_opengl_render_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
OGLRender *oglrender;
const bool anim = RNA_boolean_get(op->ptr, "animation");
if (!screen_opengl_render_init(C, op))
return OPERATOR_CANCELLED;
if (anim) {
if (!screen_opengl_render_anim_initialize(C, op))
return OPERATOR_CANCELLED;
}
oglrender = op->customdata;
render_view_open(C, event->x, event->y);
/* view may be changed above (R_OUTPUT_WINDOW) */
oglrender->win = CTX_wm_window(C);
WM_event_add_modal_handler(C, op);
oglrender->timer = WM_event_add_timer(oglrender->wm, oglrender->win, TIMER, 0.01f);
return OPERATOR_RUNNING_MODAL;
}
/* executes blocking render */
static int screen_opengl_render_exec(bContext *C, wmOperator *op)
{
const bool is_animation = RNA_boolean_get(op->ptr, "animation");
if (!screen_opengl_render_init(C, op))
return OPERATOR_CANCELLED;
if (!is_animation) { /* same as invoke */
/* render image */
screen_opengl_render_apply(op->customdata);
screen_opengl_render_end(C, op->customdata);
return OPERATOR_FINISHED;
}
else {
bool ret = true;
if (!screen_opengl_render_anim_initialize(C, op))
return OPERATOR_CANCELLED;
while (ret) {
ret = screen_opengl_render_anim_step(C, op);
}
}
/* no redraw needed, we leave state as we entered it */
// ED_update_for_newframe(C, 1);
WM_event_add_notifier(C, NC_SCENE | ND_RENDER_RESULT, CTX_data_scene(C));
return OPERATOR_FINISHED;
}
void RENDER_OT_opengl(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "OpenGL Render";
ot->description = "OpenGL render active viewport";
ot->idname = "RENDER_OT_opengl";
/* api callbacks */
ot->invoke = screen_opengl_render_invoke;
ot->exec = screen_opengl_render_exec; /* blocking */
ot->modal = screen_opengl_render_modal;
ot->cancel = screen_opengl_render_cancel;
ot->poll = ED_operator_screenactive;
prop = RNA_def_boolean(ot->srna, "animation", 0, "Animation", "Render files from the animation range of this scene");
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
prop = RNA_def_boolean(ot->srna, "sequencer", 0, "Sequencer", "Render using the sequencer's OpenGL display");
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
prop = RNA_def_boolean(ot->srna, "write_still", 0, "Write Image", "Save rendered the image to the output path (used only when animation is disabled)");
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
prop = RNA_def_boolean(ot->srna, "view_context", 1, "View Context", "Use the current 3D view for rendering, else use scene settings");
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
}
/* function for getting an opengl buffer from a View3D, used by sequencer */
// extern void *sequencer_view3d_cb;
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