static unsigned char *get_alpha_clone_image(const bContext *C, Scene *scene, int *width, int *height) { Brush *brush = BKE_paint_brush(&scene->toolsettings->imapaint.paint); ImBuf *ibuf; unsigned int size, alpha; unsigned char *display_buffer; unsigned char *rect, *cp; void *cache_handle; if (!brush || !brush->clone.image) return NULL; ibuf = BKE_image_acquire_ibuf(brush->clone.image, NULL, NULL); if (!ibuf) return NULL; display_buffer = IMB_display_buffer_acquire_ctx(C, ibuf, &cache_handle); if (!display_buffer) { BKE_image_release_ibuf(brush->clone.image, ibuf, NULL); IMB_display_buffer_release(cache_handle); return NULL; } rect = MEM_dupallocN(display_buffer); IMB_display_buffer_release(cache_handle); if (!rect) { BKE_image_release_ibuf(brush->clone.image, ibuf, NULL); return NULL; } *width = ibuf->x; *height = ibuf->y; size = (*width) * (*height); alpha = (unsigned char)255 * brush->clone.alpha; cp = rect; while (size-- > 0) { cp[3] = alpha; cp += 4; } BKE_image_release_ibuf(brush->clone.image, ibuf, NULL); return rect; }
static void draw_image_buffer(const bContext *C, SpaceImage *sima, ARegion *ar, Scene *scene, ImBuf *ibuf, float fx, float fy, float zoomx, float zoomy) { int x, y; /* set zoom */ glPixelZoom(zoomx, zoomy); /* find window pixel coordinates of origin */ UI_view2d_to_region_no_clip(&ar->v2d, fx, fy, &x, &y); /* this part is generic image display */ if (sima->flag & SI_SHOW_ALPHA) { if (ibuf->rect) sima_draw_alpha_pixels(x, y, ibuf->x, ibuf->y, ibuf->rect); else if (ibuf->rect_float && ibuf->channels == 4) sima_draw_alpha_pixelsf(x, y, ibuf->x, ibuf->y, ibuf->rect_float); } else if (sima->flag & SI_SHOW_ZBUF && (ibuf->zbuf || ibuf->zbuf_float || (ibuf->channels == 1))) { if (ibuf->zbuf) sima_draw_zbuf_pixels(x, y, ibuf->x, ibuf->y, ibuf->zbuf); else if (ibuf->zbuf_float) sima_draw_zbuffloat_pixels(scene, x, y, ibuf->x, ibuf->y, ibuf->zbuf_float); else if (ibuf->channels == 1) sima_draw_zbuffloat_pixels(scene, x, y, ibuf->x, ibuf->y, ibuf->rect_float); } else { unsigned char *display_buffer; void *cache_handle; glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); if (sima->flag & SI_USE_ALPHA) { fdrawcheckerboard(x, y, x + ibuf->x * zoomx, y + ibuf->y * zoomy); } else { glColor4f(0.0f, 0.0f, 0.0f, 1.0f); glRecti(x, y, x + ibuf->x * zoomx, y + ibuf->y * zoomy); } display_buffer = IMB_display_buffer_acquire_ctx(C, ibuf, &cache_handle); if (display_buffer) glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_RGBA, GL_UNSIGNED_BYTE, display_buffer); #if 0 else glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_RGBA, GL_FLOAT, ibuf->rect_float); #endif IMB_display_buffer_release(cache_handle); glDisable(GL_BLEND); } /* reset zoom */ glPixelZoom(1.0f, 1.0f); }
static void draw_image_buffer_tiled(SpaceImage *sima, ARegion *ar, Scene *scene, Image *ima, ImBuf *ibuf, float fx, float fy, float zoomx, float zoomy) { unsigned char *display_buffer; unsigned int *rect; int dx, dy, sx, sy, x, y; void *cache_handle; /* verify valid values, just leave this a while */ if (ima->xrep < 1) return; if (ima->yrep < 1) return; if (ima->flag & IMA_VIEW_AS_RENDER) display_buffer = IMB_display_buffer_acquire(ibuf, &scene->view_settings, &scene->display_settings, &cache_handle); else display_buffer = IMB_display_buffer_acquire(ibuf, NULL, &scene->display_settings, &cache_handle); if (!display_buffer) return; glPixelZoom(zoomx, zoomy); if (sima->curtile >= ima->xrep * ima->yrep) sima->curtile = ima->xrep * ima->yrep - 1; /* retrieve part of image buffer */ dx = max_ii(ibuf->x / ima->xrep, 1); dy = max_ii(ibuf->y / ima->yrep, 1); sx = (sima->curtile % ima->xrep) * dx; sy = (sima->curtile / ima->xrep) * dy; rect = get_part_from_buffer((unsigned int *)display_buffer, ibuf->x, sx, sy, sx + dx, sy + dy); /* draw repeated */ for (sy = 0; sy + dy <= ibuf->y; sy += dy) { for (sx = 0; sx + dx <= ibuf->x; sx += dx) { UI_view2d_view_to_region(&ar->v2d, fx + (float)sx / (float)ibuf->x, fy + (float)sy / (float)ibuf->y, &x, &y); glaDrawPixelsSafe(x, y, dx, dy, dx, GL_RGBA, GL_UNSIGNED_BYTE, rect); } } glPixelZoom(1.0f, 1.0f); IMB_display_buffer_release(cache_handle); MEM_freeN(rect); }
/* Draw given image buffer on a screen using GLSL for display transform */ void glaDrawImBuf_glsl(ImBuf *ibuf, float x, float y, int zoomfilter, ColorManagedViewSettings *view_settings, ColorManagedDisplaySettings *display_settings) { bool force_fallback = false; bool need_fallback = true; /* Early out */ if (ibuf->rect == NULL && ibuf->rect_float == NULL) return; /* Dithering is not supported on GLSL yet */ force_fallback |= ibuf->dither != 0.0f; /* Single channel images could not be transformed using GLSL yet */ force_fallback |= ibuf->channels == 1; /* If user decided not to use GLSL, fallback to glaDrawPixelsAuto */ force_fallback |= (U.image_draw_method != IMAGE_DRAW_METHOD_GLSL); /* This is actually lots of crap, but currently not sure about * more clear way to bypass partial buffer update crappyness * while rendering. * * The thing is -- render engines are only updating byte and * display buffers for active render result opened in image * editor. This works fine to show render progress without * switching render layers in image editor user, but this is * completely useless for GLSL display, where we need to have * original buffer which we could color manage. * * For the time of rendering, we'll stick back to slower CPU * display buffer update. GLSL could be used as soon as some * fixes (?) are done in render itself, so we'll always have * image buffer with relevant float buffer opened while * rendering. * * On the other hand, when using Cycles, stressing GPU with * GLSL could backfire on a performance. * - sergey - */ if (G.is_rendering) { /* Try to detect whether we're drawing render result, * other images could have both rect and rect_float * but they'll be synchronized */ if (ibuf->rect_float && ibuf->rect && ((ibuf->mall & IB_rectfloat) == 0)) { force_fallback = true; } } /* Try to draw buffer using GLSL display transform */ if (force_fallback == false) { int ok; if (ibuf->rect_float) { if (ibuf->float_colorspace) { ok = IMB_colormanagement_setup_glsl_draw_from_space(view_settings, display_settings, ibuf->float_colorspace, TRUE); } else { ok = IMB_colormanagement_setup_glsl_draw(view_settings, display_settings, TRUE); } } else { ok = IMB_colormanagement_setup_glsl_draw_from_space(view_settings, display_settings, ibuf->rect_colorspace, FALSE); } if (ok) { glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); glColor4f(1.0, 1.0, 1.0, 1.0); if (ibuf->rect_float) { int format = 0; if (ibuf->channels == 3) format = GL_RGB; else if (ibuf->channels == 4) format = GL_RGBA; else BLI_assert(!"Incompatible number of channels for GLSL display"); if (format != 0) { glaDrawPixelsTex(x, y, ibuf->x, ibuf->y, format, GL_FLOAT, zoomfilter, ibuf->rect_float); } } else if (ibuf->rect) { /* ibuf->rect is always RGBA */ glaDrawPixelsTex(x, y, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, zoomfilter, ibuf->rect); } IMB_colormanagement_finish_glsl_draw(); need_fallback = false; } } /* In case GLSL failed or not usable, fallback to glaDrawPixelsAuto */ if (need_fallback) { unsigned char *display_buffer; void *cache_handle; display_buffer = IMB_display_buffer_acquire(ibuf, view_settings, display_settings, &cache_handle); if (display_buffer) glaDrawPixelsAuto(x, y, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, zoomfilter, display_buffer); IMB_display_buffer_release(cache_handle); } }
static void draw_plane_marker_image(Scene *scene, MovieTrackingPlaneTrack *plane_track, MovieTrackingPlaneMarker *plane_marker) { Image *image = plane_track->image; ImBuf *ibuf; void *lock; if (image == NULL) { return; } ibuf = BKE_image_acquire_ibuf(image, NULL, &lock); if (ibuf) { unsigned char *display_buffer; void *cache_handle; if (image->flag & IMA_VIEW_AS_RENDER) { display_buffer = IMB_display_buffer_acquire(ibuf, &scene->view_settings, &scene->display_settings, &cache_handle); } else { display_buffer = IMB_display_buffer_acquire(ibuf, NULL, &scene->display_settings, &cache_handle); } if (display_buffer) { GLuint texid, last_texid; float frame_corners[4][2] = {{0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, 1.0f}, {0.0f, 1.0f}}; float perspective_matrix[3][3]; float gl_matrix[4][4]; bool transparent = false; BKE_tracking_homography_between_two_quads(frame_corners, plane_marker->corners, perspective_matrix); homogeneous_2d_to_gl_matrix(perspective_matrix, gl_matrix); if (plane_track->image_opacity != 1.0f || ibuf->planes == 32) { transparent = true; glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); } glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); glColor4f(1.0, 1.0, 1.0, plane_track->image_opacity); last_texid = glaGetOneInteger(GL_TEXTURE_2D); glEnable(GL_TEXTURE_2D); glGenTextures(1, (GLuint *)&texid); glBindTexture(GL_TEXTURE_2D, texid); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, ibuf->x, ibuf->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, display_buffer); glPushMatrix(); glMultMatrixf(gl_matrix); glBegin(GL_QUADS); glTexCoord2f(0.0f, 0.0f); glVertex2f(0.0f, 0.0f); glTexCoord2f(1.0f, 0.0f); glVertex2f(1.0f, 0.0f); glTexCoord2f(1.0f, 1.0f); glVertex2f(1.0f, 1.0f); glTexCoord2f(0.0f, 1.0f); glVertex2f(0.0f, 1.0f); glEnd(); glPopMatrix(); glBindTexture(GL_TEXTURE_2D, last_texid); glDisable(GL_TEXTURE_2D); if (transparent) { glDisable(GL_BLEND); } } IMB_display_buffer_release(cache_handle); } BKE_image_release_ibuf(image, ibuf, lock); }
void draw_image_seq(const bContext *C, Scene *scene, ARegion *ar, SpaceSeq *sseq, int cfra, int frame_ofs, int draw_overlay) { struct Main *bmain = CTX_data_main(C); struct ImBuf *ibuf = NULL; struct ImBuf *scope = NULL; struct View2D *v2d = &ar->v2d; /* int rectx, recty; */ /* UNUSED */ float viewrectx, viewrecty; float render_size = 0.0; float proxy_size = 100.0; float col[3]; GLuint texid; GLuint last_texid; void *display_buffer; void *cache_handle = NULL; const int is_imbuf = ED_space_sequencer_check_show_imbuf(sseq); int format, type; bool glsl_used = false; if (G.is_rendering == FALSE && (scene->r.seq_flag & R_SEQ_GL_PREV) == 0) { /* stop all running jobs, except screen one. currently previews frustrate Render * needed to make so sequencer's rendering doesn't conflict with compositor */ WM_jobs_kill_type(CTX_wm_manager(C), WM_JOB_TYPE_COMPOSITE); if ((scene->r.seq_flag & R_SEQ_GL_PREV) == 0) { /* in case of final rendering used for preview, kill all previews, * otherwise threading conflict will happen in rendering module */ WM_jobs_kill_type(CTX_wm_manager(C), WM_JOB_TYPE_RENDER_PREVIEW); } } render_size = sseq->render_size; if (render_size == 0) { render_size = scene->r.size; } else { proxy_size = render_size; } if (render_size < 0) { return; } viewrectx = (render_size * (float)scene->r.xsch) / 100.0f; viewrecty = (render_size * (float)scene->r.ysch) / 100.0f; /* rectx = viewrectx + 0.5f; */ /* UNUSED */ /* recty = viewrecty + 0.5f; */ /* UNUSED */ if (sseq->mainb == SEQ_DRAW_IMG_IMBUF) { viewrectx *= scene->r.xasp / scene->r.yasp; viewrectx /= proxy_size / 100.0f; viewrecty /= proxy_size / 100.0f; } if (!draw_overlay || sseq->overlay_type == SEQ_DRAW_OVERLAY_REFERENCE) { UI_GetThemeColor3fv(TH_SEQ_PREVIEW, col); glClearColor(col[0], col[1], col[2], 0.0); glClear(GL_COLOR_BUFFER_BIT); } /* without this colors can flicker from previous opengl state */ glColor4ub(255, 255, 255, 255); UI_view2d_totRect_set(v2d, viewrectx + 0.5f, viewrecty + 0.5f); UI_view2d_curRect_validate(v2d); /* only initialize the preview if a render is in progress */ if (G.is_rendering) return; ibuf = sequencer_ibuf_get(bmain, scene, sseq, cfra, frame_ofs); if (ibuf == NULL) return; if (ibuf->rect == NULL && ibuf->rect_float == NULL) return; if (sseq->mainb != SEQ_DRAW_IMG_IMBUF || sseq->zebra != 0) { SequencerScopes *scopes = &sseq->scopes; sequencer_check_scopes(scopes, ibuf); switch (sseq->mainb) { case SEQ_DRAW_IMG_IMBUF: if (!scopes->zebra_ibuf) { ImBuf *display_ibuf = IMB_dupImBuf(ibuf); if (display_ibuf->rect_float) { IMB_colormanagement_imbuf_make_display_space(display_ibuf, &scene->view_settings, &scene->display_settings); } scopes->zebra_ibuf = make_zebra_view_from_ibuf(display_ibuf, sseq->zebra); IMB_freeImBuf(display_ibuf); } scope = scopes->zebra_ibuf; break; case SEQ_DRAW_IMG_WAVEFORM: if ((sseq->flag & SEQ_DRAW_COLOR_SEPARATED) != 0) { if (!scopes->sep_waveform_ibuf) scopes->sep_waveform_ibuf = sequencer_make_scope(scene, ibuf, make_sep_waveform_view_from_ibuf); scope = scopes->sep_waveform_ibuf; } else { if (!scopes->waveform_ibuf) scopes->waveform_ibuf = sequencer_make_scope(scene, ibuf, make_waveform_view_from_ibuf); scope = scopes->waveform_ibuf; } break; case SEQ_DRAW_IMG_VECTORSCOPE: if (!scopes->vector_ibuf) scopes->vector_ibuf = sequencer_make_scope(scene, ibuf, make_vectorscope_view_from_ibuf); scope = scopes->vector_ibuf; break; case SEQ_DRAW_IMG_HISTOGRAM: if (!scopes->histogram_ibuf) scopes->histogram_ibuf = sequencer_make_scope(scene, ibuf, make_histogram_view_from_ibuf); scope = scopes->histogram_ibuf; break; } scopes->reference_ibuf = ibuf; } /* setting up the view - actual drawing starts here */ UI_view2d_view_ortho(v2d); /* only draw alpha for main buffer */ if (sseq->mainb == SEQ_DRAW_IMG_IMBUF) { if (sseq->flag & SEQ_USE_ALPHA) { glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); fdrawcheckerboard(v2d->tot.xmin, v2d->tot.ymin, v2d->tot.xmax, v2d->tot.ymax); glColor4f(1.0, 1.0, 1.0, 1.0); } } if (scope) { IMB_freeImBuf(ibuf); ibuf = scope; if (ibuf->rect_float && ibuf->rect == NULL) { IMB_rect_from_float(ibuf); } display_buffer = (unsigned char *)ibuf->rect; format = GL_RGBA; type = GL_UNSIGNED_BYTE; } else { bool force_fallback = false; force_fallback |= (U.image_draw_method != IMAGE_DRAW_METHOD_GLSL); force_fallback |= (ibuf->dither != 0.0f); if (force_fallback) { /* Fallback to CPU based color space conversion */ glsl_used = false; format = GL_RGBA; type = GL_UNSIGNED_BYTE; display_buffer = NULL; } else if (ibuf->rect_float) { display_buffer = ibuf->rect_float; if (ibuf->channels == 4) { format = GL_RGBA; } else if (ibuf->channels == 3) { format = GL_RGB; } else { BLI_assert(!"Incompatible number of channels for float buffer in sequencer"); format = GL_RGBA; display_buffer = NULL; } type = GL_FLOAT; if (ibuf->float_colorspace) { glsl_used = IMB_colormanagement_setup_glsl_draw_from_space_ctx(C, ibuf->float_colorspace, true); } else { glsl_used = IMB_colormanagement_setup_glsl_draw_ctx(C, true); } } else if (ibuf->rect) { display_buffer = ibuf->rect; format = GL_RGBA; type = GL_UNSIGNED_BYTE; glsl_used = IMB_colormanagement_setup_glsl_draw_from_space_ctx(C, ibuf->rect_colorspace, false); } else { format = GL_RGBA; type = GL_UNSIGNED_BYTE; display_buffer = NULL; } /* there's a data to be displayed, but GLSL is not initialized * properly, in this case we fallback to CPU-based display transform */ if ((ibuf->rect || ibuf->rect_float) && !glsl_used) { display_buffer = IMB_display_buffer_acquire_ctx(C, ibuf, &cache_handle); format = GL_RGBA; type = GL_UNSIGNED_BYTE; } } glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); glColor4f(1.0, 1.0, 1.0, 1.0); last_texid = glaGetOneInteger(GL_TEXTURE_2D); glEnable(GL_TEXTURE_2D); glGenTextures(1, (GLuint *)&texid); glBindTexture(GL_TEXTURE_2D, texid); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); if (type == GL_FLOAT) glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, ibuf->x, ibuf->y, 0, format, type, display_buffer); else glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, ibuf->x, ibuf->y, 0, format, type, display_buffer); glBegin(GL_QUADS); if (draw_overlay) { if (sseq->overlay_type == SEQ_DRAW_OVERLAY_RECT) { rctf tot_clip; tot_clip.xmin = v2d->tot.xmin + (fabsf(BLI_rctf_size_x(&v2d->tot)) * scene->ed->over_border.xmin); tot_clip.ymin = v2d->tot.ymin + (fabsf(BLI_rctf_size_y(&v2d->tot)) * scene->ed->over_border.ymin); tot_clip.xmax = v2d->tot.xmin + (fabsf(BLI_rctf_size_x(&v2d->tot)) * scene->ed->over_border.xmax); tot_clip.ymax = v2d->tot.ymin + (fabsf(BLI_rctf_size_y(&v2d->tot)) * scene->ed->over_border.ymax); glTexCoord2f(scene->ed->over_border.xmin, scene->ed->over_border.ymin); glVertex2f(tot_clip.xmin, tot_clip.ymin); glTexCoord2f(scene->ed->over_border.xmin, scene->ed->over_border.ymax); glVertex2f(tot_clip.xmin, tot_clip.ymax); glTexCoord2f(scene->ed->over_border.xmax, scene->ed->over_border.ymax); glVertex2f(tot_clip.xmax, tot_clip.ymax); glTexCoord2f(scene->ed->over_border.xmax, scene->ed->over_border.ymin); glVertex2f(tot_clip.xmax, tot_clip.ymin); } else if (sseq->overlay_type == SEQ_DRAW_OVERLAY_REFERENCE) { glTexCoord2f(0.0f, 0.0f); glVertex2f(v2d->tot.xmin, v2d->tot.ymin); glTexCoord2f(0.0f, 1.0f); glVertex2f(v2d->tot.xmin, v2d->tot.ymax); glTexCoord2f(1.0f, 1.0f); glVertex2f(v2d->tot.xmax, v2d->tot.ymax); glTexCoord2f(1.0f, 0.0f); glVertex2f(v2d->tot.xmax, v2d->tot.ymin); } } else { glTexCoord2f(0.0f, 0.0f); glVertex2f(v2d->tot.xmin, v2d->tot.ymin); glTexCoord2f(0.0f, 1.0f); glVertex2f(v2d->tot.xmin, v2d->tot.ymax); glTexCoord2f(1.0f, 1.0f); glVertex2f(v2d->tot.xmax, v2d->tot.ymax); glTexCoord2f(1.0f, 0.0f); glVertex2f(v2d->tot.xmax, v2d->tot.ymin); } glEnd(); glBindTexture(GL_TEXTURE_2D, last_texid); glDisable(GL_TEXTURE_2D); if (sseq->mainb == SEQ_DRAW_IMG_IMBUF && sseq->flag & SEQ_USE_ALPHA) glDisable(GL_BLEND); glDeleteTextures(1, &texid); if (glsl_used) IMB_colormanagement_finish_glsl_draw(); if (sseq->mainb == SEQ_DRAW_IMG_IMBUF) { float x1 = v2d->tot.xmin; float y1 = v2d->tot.ymin; float x2 = v2d->tot.xmax; float y2 = v2d->tot.ymax; /* border */ setlinestyle(3); UI_ThemeColorBlendShade(TH_WIRE, TH_BACK, 1.0, 0); glBegin(GL_LINE_LOOP); glVertex2f(x1 - 0.5f, y1 - 0.5f); glVertex2f(x1 - 0.5f, y2 + 0.5f); glVertex2f(x2 + 0.5f, y2 + 0.5f); glVertex2f(x2 + 0.5f, y1 - 0.5f); glEnd(); /* safety border */ if ((sseq->flag & SEQ_DRAW_SAFE_MARGINS) != 0) { float fac = 0.1; float a = fac * (x2 - x1); x1 += a; x2 -= a; a = fac * (y2 - y1); y1 += a; y2 -= a; glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); uiSetRoundBox(UI_CNR_ALL); uiDrawBox(GL_LINE_LOOP, x1, y1, x2, y2, 12.0); glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); } setlinestyle(0); } if (sseq->flag & SEQ_SHOW_GPENCIL) { if (is_imbuf) { /* draw grease-pencil (image aligned) */ draw_gpencil_2dimage(C); } } if (!scope) IMB_freeImBuf(ibuf); /* ortho at pixel level */ UI_view2d_view_restore(C); if (sseq->flag & SEQ_SHOW_GPENCIL) { if (is_imbuf) { /* draw grease-pencil (screen aligned) */ draw_gpencil_view2d(C, 0); } } /* NOTE: sequencer mask editing isnt finished, the draw code is working but editing not, * for now just disable drawing since the strip frame will likely be offset */ //if (sc->mode == SC_MODE_MASKEDIT) { if (0 && sseq->mainb == SEQ_DRAW_IMG_IMBUF) { Mask *mask = BKE_sequencer_mask_get(scene); if (mask) { int width, height; float aspx = 1.0f, aspy = 1.0f; // ED_mask_get_size(C, &width, &height); //Scene *scene = CTX_data_scene(C); width = (scene->r.size * scene->r.xsch) / 100; height = (scene->r.size * scene->r.ysch) / 100; ED_mask_draw_region(mask, ar, 0, 0, /* TODO */ width, height, aspx, aspy, FALSE, TRUE, NULL, C); } } if (cache_handle) IMB_display_buffer_release(cache_handle); }
void draw_image_seq(const bContext *C, Scene *scene, ARegion *ar, SpaceSeq *sseq, int cfra, int frame_ofs, bool draw_overlay, bool draw_backdrop) { struct Main *bmain = CTX_data_main(C); struct ImBuf *ibuf = NULL; struct ImBuf *scope = NULL; struct View2D *v2d = &ar->v2d; /* int rectx, recty; */ /* UNUSED */ float viewrect[2]; float col[3]; GLuint texid; GLuint last_texid; void *display_buffer; void *cache_handle = NULL; const bool is_imbuf = ED_space_sequencer_check_show_imbuf(sseq); int format, type; bool glsl_used = false; const bool draw_gpencil = ((sseq->flag & SEQ_SHOW_GPENCIL) && sseq->gpd); const char *names[2] = {STEREO_LEFT_NAME, STEREO_RIGHT_NAME}; bool draw_metadata = false; if (G.is_rendering == false && (scene->r.seq_flag & R_SEQ_GL_PREV) == 0) { /* stop all running jobs, except screen one. currently previews frustrate Render * needed to make so sequencer's rendering doesn't conflict with compositor */ WM_jobs_kill_type(CTX_wm_manager(C), NULL, WM_JOB_TYPE_COMPOSITE); if ((scene->r.seq_flag & R_SEQ_GL_PREV) == 0) { /* in case of final rendering used for preview, kill all previews, * otherwise threading conflict will happen in rendering module */ WM_jobs_kill_type(CTX_wm_manager(C), NULL, WM_JOB_TYPE_RENDER_PREVIEW); } } if ((!draw_overlay || sseq->overlay_type == SEQ_DRAW_OVERLAY_REFERENCE) && !draw_backdrop) { UI_GetThemeColor3fv(TH_SEQ_PREVIEW, col); glClearColor(col[0], col[1], col[2], 0.0); glClear(GL_COLOR_BUFFER_BIT); } /* without this colors can flicker from previous opengl state */ glColor4ub(255, 255, 255, 255); /* only initialize the preview if a render is in progress */ if (G.is_rendering) return; if (sseq->render_size == SEQ_PROXY_RENDER_SIZE_NONE) { return; } /* for now we only support Left/Right */ ibuf = sequencer_ibuf_get(bmain, scene, sseq, cfra, frame_ofs, names[sseq->multiview_eye]); if ((ibuf == NULL) || (ibuf->rect == NULL && ibuf->rect_float == NULL)) { /* gpencil can also be drawn without a valid imbuf */ if (draw_gpencil && is_imbuf) { sequencer_display_size(scene, sseq, viewrect); sequencer_draw_background(sseq, v2d, viewrect); sequencer_draw_borders(sseq, v2d, scene); sequencer_draw_gpencil(C); } return; } sequencer_display_size(scene, sseq, viewrect); if (!draw_backdrop && (sseq->mainb != SEQ_DRAW_IMG_IMBUF || sseq->zebra != 0)) { SequencerScopes *scopes = &sseq->scopes; sequencer_check_scopes(scopes, ibuf); switch (sseq->mainb) { case SEQ_DRAW_IMG_IMBUF: if (!scopes->zebra_ibuf) { ImBuf *display_ibuf = IMB_dupImBuf(ibuf); if (display_ibuf->rect_float) { IMB_colormanagement_imbuf_make_display_space(display_ibuf, &scene->view_settings, &scene->display_settings); } scopes->zebra_ibuf = make_zebra_view_from_ibuf(display_ibuf, sseq->zebra); IMB_freeImBuf(display_ibuf); } scope = scopes->zebra_ibuf; break; case SEQ_DRAW_IMG_WAVEFORM: if ((sseq->flag & SEQ_DRAW_COLOR_SEPARATED) != 0) { if (!scopes->sep_waveform_ibuf) scopes->sep_waveform_ibuf = sequencer_make_scope(scene, ibuf, make_sep_waveform_view_from_ibuf); scope = scopes->sep_waveform_ibuf; } else { if (!scopes->waveform_ibuf) scopes->waveform_ibuf = sequencer_make_scope(scene, ibuf, make_waveform_view_from_ibuf); scope = scopes->waveform_ibuf; } break; case SEQ_DRAW_IMG_VECTORSCOPE: if (!scopes->vector_ibuf) scopes->vector_ibuf = sequencer_make_scope(scene, ibuf, make_vectorscope_view_from_ibuf); scope = scopes->vector_ibuf; break; case SEQ_DRAW_IMG_HISTOGRAM: if (!scopes->histogram_ibuf) scopes->histogram_ibuf = sequencer_make_scope(scene, ibuf, make_histogram_view_from_ibuf); scope = scopes->histogram_ibuf; break; } /* future files may have new scopes we don't catch above */ if (scope) { scopes->reference_ibuf = ibuf; if (sseq->mainb == SEQ_DRAW_IMG_IMBUF) { /* scopes drawn in image preview use viewrect from orig ibuf - currently that's only zebra */ } else { viewrect[0] = scope->x; viewrect[1] = scope->y; } } else { scopes->reference_ibuf = NULL; } } if (!draw_backdrop) { sequencer_draw_background(sseq, v2d, viewrect); } if (scope) { IMB_freeImBuf(ibuf); ibuf = scope; if (ibuf->rect_float && ibuf->rect == NULL) { IMB_rect_from_float(ibuf); } display_buffer = (unsigned char *)ibuf->rect; format = GL_RGBA; type = GL_UNSIGNED_BYTE; } else { bool force_fallback = false; force_fallback |= (U.image_draw_method != IMAGE_DRAW_METHOD_GLSL); force_fallback |= (ibuf->dither != 0.0f); if (force_fallback) { /* Fallback to CPU based color space conversion */ glsl_used = false; format = GL_RGBA; type = GL_UNSIGNED_BYTE; display_buffer = NULL; } else if (ibuf->rect_float) { display_buffer = ibuf->rect_float; if (ibuf->channels == 4) { format = GL_RGBA; } else if (ibuf->channels == 3) { format = GL_RGB; } else { BLI_assert(!"Incompatible number of channels for float buffer in sequencer"); format = GL_RGBA; display_buffer = NULL; } type = GL_FLOAT; if (ibuf->float_colorspace) { glsl_used = IMB_colormanagement_setup_glsl_draw_from_space_ctx(C, ibuf->float_colorspace, ibuf->dither, true); } else { glsl_used = IMB_colormanagement_setup_glsl_draw_ctx(C, ibuf->dither, true); } } else if (ibuf->rect) { display_buffer = ibuf->rect; format = GL_RGBA; type = GL_UNSIGNED_BYTE; glsl_used = IMB_colormanagement_setup_glsl_draw_from_space_ctx(C, ibuf->rect_colorspace, ibuf->dither, false); } else { format = GL_RGBA; type = GL_UNSIGNED_BYTE; display_buffer = NULL; } /* there's a data to be displayed, but GLSL is not initialized * properly, in this case we fallback to CPU-based display transform */ if ((ibuf->rect || ibuf->rect_float) && !glsl_used) { display_buffer = IMB_display_buffer_acquire_ctx(C, ibuf, &cache_handle); format = GL_RGBA; type = GL_UNSIGNED_BYTE; } } glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); glColor4f(1.0, 1.0, 1.0, 1.0); last_texid = glaGetOneInteger(GL_TEXTURE_2D); glEnable(GL_TEXTURE_2D); glGenTextures(1, (GLuint *)&texid); glBindTexture(GL_TEXTURE_2D, texid); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); if (type == GL_FLOAT) glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, ibuf->x, ibuf->y, 0, format, type, display_buffer); else glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, ibuf->x, ibuf->y, 0, format, type, display_buffer); if (draw_backdrop) { glMatrixMode(GL_PROJECTION); glPushMatrix(); glLoadIdentity(); glMatrixMode(GL_MODELVIEW); glPushMatrix(); glLoadIdentity(); } glBegin(GL_QUADS); if (draw_overlay) { if (sseq->overlay_type == SEQ_DRAW_OVERLAY_RECT) { rctf tot_clip; tot_clip.xmin = v2d->tot.xmin + (fabsf(BLI_rctf_size_x(&v2d->tot)) * scene->ed->over_border.xmin); tot_clip.ymin = v2d->tot.ymin + (fabsf(BLI_rctf_size_y(&v2d->tot)) * scene->ed->over_border.ymin); tot_clip.xmax = v2d->tot.xmin + (fabsf(BLI_rctf_size_x(&v2d->tot)) * scene->ed->over_border.xmax); tot_clip.ymax = v2d->tot.ymin + (fabsf(BLI_rctf_size_y(&v2d->tot)) * scene->ed->over_border.ymax); glTexCoord2f(scene->ed->over_border.xmin, scene->ed->over_border.ymin); glVertex2f(tot_clip.xmin, tot_clip.ymin); glTexCoord2f(scene->ed->over_border.xmin, scene->ed->over_border.ymax); glVertex2f(tot_clip.xmin, tot_clip.ymax); glTexCoord2f(scene->ed->over_border.xmax, scene->ed->over_border.ymax); glVertex2f(tot_clip.xmax, tot_clip.ymax); glTexCoord2f(scene->ed->over_border.xmax, scene->ed->over_border.ymin); glVertex2f(tot_clip.xmax, tot_clip.ymin); } else if (sseq->overlay_type == SEQ_DRAW_OVERLAY_REFERENCE) { glTexCoord2f(0.0f, 0.0f); glVertex2f(v2d->tot.xmin, v2d->tot.ymin); glTexCoord2f(0.0f, 1.0f); glVertex2f(v2d->tot.xmin, v2d->tot.ymax); glTexCoord2f(1.0f, 1.0f); glVertex2f(v2d->tot.xmax, v2d->tot.ymax); glTexCoord2f(1.0f, 0.0f); glVertex2f(v2d->tot.xmax, v2d->tot.ymin); } } else if (draw_backdrop) { float aspect; float image_aspect = viewrect[0] / viewrect[1]; float imagex, imagey; aspect = BLI_rcti_size_x(&ar->winrct) / (float)BLI_rcti_size_y(&ar->winrct); if (aspect >= image_aspect) { imagex = image_aspect / aspect; imagey = 1.0f; } else { imagex = 1.0f; imagey = aspect / image_aspect; } glTexCoord2f(0.0f, 0.0f); glVertex2f(-imagex, -imagey); glTexCoord2f(0.0f, 1.0f); glVertex2f(-imagex, imagey); glTexCoord2f(1.0f, 1.0f); glVertex2f(imagex, imagey); glTexCoord2f(1.0f, 0.0f); glVertex2f(imagex, -imagey); } else { draw_metadata = ((sseq->flag & SEQ_SHOW_METADATA) != 0); glTexCoord2f(0.0f, 0.0f); glVertex2f(v2d->tot.xmin, v2d->tot.ymin); glTexCoord2f(0.0f, 1.0f); glVertex2f(v2d->tot.xmin, v2d->tot.ymax); glTexCoord2f(1.0f, 1.0f); glVertex2f(v2d->tot.xmax, v2d->tot.ymax); glTexCoord2f(1.0f, 0.0f); glVertex2f(v2d->tot.xmax, v2d->tot.ymin); } glEnd(); glBindTexture(GL_TEXTURE_2D, last_texid); glDisable(GL_TEXTURE_2D); if (sseq->mainb == SEQ_DRAW_IMG_IMBUF && sseq->flag & SEQ_USE_ALPHA) glDisable(GL_BLEND); glDeleteTextures(1, &texid); if (glsl_used) IMB_colormanagement_finish_glsl_draw(); if (cache_handle) IMB_display_buffer_release(cache_handle); if (!scope) IMB_freeImBuf(ibuf); if (draw_metadata) { ED_region_image_metadata_draw(0.0, 0.0, ibuf, &v2d->tot, 1.0, 1.0); } if (draw_backdrop) { glPopMatrix(); glMatrixMode(GL_PROJECTION); glPopMatrix(); glMatrixMode(GL_MODELVIEW); return; } if (sseq->mainb == SEQ_DRAW_IMG_IMBUF) { sequencer_draw_borders(sseq, v2d, scene); } if (draw_gpencil && is_imbuf) { sequencer_draw_gpencil(C); } else { /* ortho at pixel level */ UI_view2d_view_restore(C); } /* NOTE: sequencer mask editing isnt finished, the draw code is working but editing not, * for now just disable drawing since the strip frame will likely be offset */ //if (sc->mode == SC_MODE_MASKEDIT) { if (0 && sseq->mainb == SEQ_DRAW_IMG_IMBUF) { Mask *mask = BKE_sequencer_mask_get(scene); if (mask) { int width, height; float aspx = 1.0f, aspy = 1.0f; // ED_mask_get_size(C, &width, &height); //Scene *scene = CTX_data_scene(C); width = (scene->r.size * scene->r.xsch) / 100; height = (scene->r.size * scene->r.ysch) / 100; ED_mask_draw_region(mask, ar, 0, 0, 0, /* TODO */ width, height, aspx, aspy, false, true, NULL, C); } } }
/* if view_settings, it also applies this to byte buffers */ void scopes_update(Scopes *scopes, ImBuf *ibuf, const ColorManagedViewSettings *view_settings, const ColorManagedDisplaySettings *display_settings) { int x, y, c; unsigned int nl, na, nr, ng, nb; double divl, diva, divr, divg, divb; float *rf = NULL; unsigned char *rc = NULL; unsigned int *bin_lum, *bin_r, *bin_g, *bin_b, *bin_a; int savedlines, saveline; float rgba[4], ycc[3], luma; int ycc_mode = -1; const short is_float = (ibuf->rect_float != NULL); void *cache_handle = NULL; struct ColormanageProcessor *cm_processor = NULL; if (ibuf->rect == NULL && ibuf->rect_float == NULL) return; if (scopes->ok == 1) return; if (scopes->hist.ymax == 0.f) scopes->hist.ymax = 1.f; /* hmmmm */ if (!(ELEM(ibuf->channels, 3, 4))) return; scopes->hist.channels = 3; scopes->hist.x_resolution = 256; switch (scopes->wavefrm_mode) { case SCOPES_WAVEFRM_RGB: ycc_mode = -1; break; case SCOPES_WAVEFRM_LUMA: case SCOPES_WAVEFRM_YCC_JPEG: ycc_mode = BLI_YCC_JFIF_0_255; break; case SCOPES_WAVEFRM_YCC_601: ycc_mode = BLI_YCC_ITU_BT601; break; case SCOPES_WAVEFRM_YCC_709: ycc_mode = BLI_YCC_ITU_BT709; break; } /* temp table to count pix value for histogram */ bin_r = MEM_callocN(256 * sizeof(unsigned int), "temp historgram bins"); bin_g = MEM_callocN(256 * sizeof(unsigned int), "temp historgram bins"); bin_b = MEM_callocN(256 * sizeof(unsigned int), "temp historgram bins"); bin_a = MEM_callocN(256 * sizeof(unsigned int), "temp historgram bins"); bin_lum = MEM_callocN(256 * sizeof(unsigned int), "temp historgram bins"); /* convert to number of lines with logarithmic scale */ scopes->sample_lines = (scopes->accuracy * 0.01f) * (scopes->accuracy * 0.01f) * ibuf->y; if (scopes->sample_full) scopes->sample_lines = ibuf->y; /* scan the image */ savedlines = 0; for (c = 0; c < 3; c++) { scopes->minmax[c][0] = 25500.0f; scopes->minmax[c][1] = -25500.0f; } scopes->waveform_tot = ibuf->x * scopes->sample_lines; if (scopes->waveform_1) MEM_freeN(scopes->waveform_1); if (scopes->waveform_2) MEM_freeN(scopes->waveform_2); if (scopes->waveform_3) MEM_freeN(scopes->waveform_3); if (scopes->vecscope) MEM_freeN(scopes->vecscope); scopes->waveform_1 = MEM_callocN(scopes->waveform_tot * 2 * sizeof(float), "waveform point channel 1"); scopes->waveform_2 = MEM_callocN(scopes->waveform_tot * 2 * sizeof(float), "waveform point channel 2"); scopes->waveform_3 = MEM_callocN(scopes->waveform_tot * 2 * sizeof(float), "waveform point channel 3"); scopes->vecscope = MEM_callocN(scopes->waveform_tot * 2 * sizeof(float), "vectorscope point channel"); if (is_float) rf = ibuf->rect_float; else { rc = (unsigned char *)IMB_display_buffer_acquire(ibuf, view_settings, display_settings, &cache_handle); } if (ibuf->rect_float) cm_processor = IMB_colormanagement_display_processor_new(view_settings, display_settings); for (y = 0; y < ibuf->y; y++) { if (savedlines < scopes->sample_lines && y >= ((savedlines) * ibuf->y) / (scopes->sample_lines + 1)) { saveline = 1; } else { saveline = 0; } for (x = 0; x < ibuf->x; x++) { if (is_float) { copy_v4_v4(rgba, rf); IMB_colormanagement_processor_apply_v4(cm_processor, rgba); } else { for (c = 0; c < 4; c++) rgba[c] = rc[c] * INV_255; } /* we still need luma for histogram */ luma = rgb_to_luma(rgba); /* check for min max */ if (ycc_mode == -1) { for (c = 0; c < 3; c++) { if (rgba[c] < scopes->minmax[c][0]) scopes->minmax[c][0] = rgba[c]; if (rgba[c] > scopes->minmax[c][1]) scopes->minmax[c][1] = rgba[c]; } } else { rgb_to_ycc(rgba[0], rgba[1], rgba[2], &ycc[0], &ycc[1], &ycc[2], ycc_mode); for (c = 0; c < 3; c++) { ycc[c] *= INV_255; if (ycc[c] < scopes->minmax[c][0]) scopes->minmax[c][0] = ycc[c]; if (ycc[c] > scopes->minmax[c][1]) scopes->minmax[c][1] = ycc[c]; } } /* increment count for histo*/ bin_lum[get_bin_float(luma)] += 1; bin_r[get_bin_float(rgba[0])] += 1; bin_g[get_bin_float(rgba[1])] += 1; bin_b[get_bin_float(rgba[2])] += 1; bin_a[get_bin_float(rgba[3])] += 1; /* save sample if needed */ if (saveline) { const float fx = (float)x / (float)ibuf->x; const int idx = 2 * (ibuf->x * savedlines + x); save_sample_line(scopes, idx, fx, rgba, ycc); } rf += ibuf->channels; rc += ibuf->channels; } if (saveline) savedlines += 1; } /* test for nicer distribution even - non standard, leave it out for a while */ #if 0 for (x = 0; x < 256; x++) { bin_lum[x] = sqrt (bin_lum[x]); bin_r[x] = sqrt(bin_r[x]); bin_g[x] = sqrt(bin_g[x]); bin_b[x] = sqrt(bin_b[x]); bin_a[x] = sqrt(bin_a[x]); } #endif /* convert hist data to float (proportional to max count) */ nl = na = nr = nb = ng = 0; for (x = 0; x < 256; x++) { if (bin_lum[x] > nl) nl = bin_lum[x]; if (bin_r[x] > nr) nr = bin_r[x]; if (bin_g[x] > ng) ng = bin_g[x]; if (bin_b[x] > nb) nb = bin_b[x]; if (bin_a[x] > na) na = bin_a[x]; } divl = nl ? 1.0 / (double)nl : 1.0; diva = na ? 1.0 / (double)na : 1.0; divr = nr ? 1.0 / (double)nr : 1.0; divg = ng ? 1.0 / (double)ng : 1.0; divb = nb ? 1.0 / (double)nb : 1.0; for (x = 0; x < 256; x++) { scopes->hist.data_luma[x] = bin_lum[x] * divl; scopes->hist.data_r[x] = bin_r[x] * divr; scopes->hist.data_g[x] = bin_g[x] * divg; scopes->hist.data_b[x] = bin_b[x] * divb; scopes->hist.data_a[x] = bin_a[x] * diva; } MEM_freeN(bin_lum); MEM_freeN(bin_r); MEM_freeN(bin_g); MEM_freeN(bin_b); MEM_freeN(bin_a); if (cm_processor) IMB_colormanagement_processor_free(cm_processor); if (cache_handle) IMB_display_buffer_release(cache_handle); scopes->ok = 1; }
void scopes_update(Scopes *scopes, ImBuf *ibuf, const ColorManagedViewSettings *view_settings, const ColorManagedDisplaySettings *display_settings) { int a; unsigned int nl, na, nr, ng, nb; double divl, diva, divr, divg, divb; const unsigned char *display_buffer = NULL; unsigned int bin_lum[256] = {0}, bin_r[256] = {0}, bin_g[256] = {0}, bin_b[256] = {0}, bin_a[256] = {0}; int ycc_mode = -1; void *cache_handle = NULL; struct ColormanageProcessor *cm_processor = NULL; if (ibuf->rect == NULL && ibuf->rect_float == NULL) return; if (scopes->ok == 1) return; if (scopes->hist.ymax == 0.f) scopes->hist.ymax = 1.f; /* hmmmm */ if (!(ELEM(ibuf->channels, 3, 4))) return; scopes->hist.channels = 3; scopes->hist.x_resolution = 256; switch (scopes->wavefrm_mode) { case SCOPES_WAVEFRM_RGB: ycc_mode = -1; break; case SCOPES_WAVEFRM_LUMA: case SCOPES_WAVEFRM_YCC_JPEG: ycc_mode = BLI_YCC_JFIF_0_255; break; case SCOPES_WAVEFRM_YCC_601: ycc_mode = BLI_YCC_ITU_BT601; break; case SCOPES_WAVEFRM_YCC_709: ycc_mode = BLI_YCC_ITU_BT709; break; } /* convert to number of lines with logarithmic scale */ scopes->sample_lines = (scopes->accuracy * 0.01f) * (scopes->accuracy * 0.01f) * ibuf->y; CLAMP_MIN(scopes->sample_lines, 1); if (scopes->sample_full) scopes->sample_lines = ibuf->y; /* scan the image */ for (a = 0; a < 3; a++) { scopes->minmax[a][0] = 25500.0f; scopes->minmax[a][1] = -25500.0f; } scopes->waveform_tot = ibuf->x * scopes->sample_lines; if (scopes->waveform_1) MEM_freeN(scopes->waveform_1); if (scopes->waveform_2) MEM_freeN(scopes->waveform_2); if (scopes->waveform_3) MEM_freeN(scopes->waveform_3); if (scopes->vecscope) MEM_freeN(scopes->vecscope); scopes->waveform_1 = MEM_callocN(scopes->waveform_tot * 2 * sizeof(float), "waveform point channel 1"); scopes->waveform_2 = MEM_callocN(scopes->waveform_tot * 2 * sizeof(float), "waveform point channel 2"); scopes->waveform_3 = MEM_callocN(scopes->waveform_tot * 2 * sizeof(float), "waveform point channel 3"); scopes->vecscope = MEM_callocN(scopes->waveform_tot * 2 * sizeof(float), "vectorscope point channel"); if (ibuf->rect_float) { cm_processor = IMB_colormanagement_display_processor_new(view_settings, display_settings); } else { display_buffer = (const unsigned char *)IMB_display_buffer_acquire( ibuf, view_settings, display_settings, &cache_handle); } /* Keep number of threads in sync with the merge parts below. */ ScopesUpdateData data = { .scopes = scopes, . ibuf = ibuf, .cm_processor = cm_processor, .display_buffer = display_buffer, .ycc_mode = ycc_mode, .bin_lum = bin_lum, .bin_r = bin_r, .bin_g = bin_g, .bin_b = bin_b, .bin_a = bin_a, }; ScopesUpdateDataChunk data_chunk = {0}; INIT_MINMAX(data_chunk.min, data_chunk.max); BLI_task_parallel_range_finalize(0, ibuf->y, &data, &data_chunk, sizeof(data_chunk), scopes_update_cb, scopes_update_finalize, ibuf->y > 256, false); /* test for nicer distribution even - non standard, leave it out for a while */ #if 0 for (a = 0; a < 256; a++) { bin_lum[a] = sqrt (bin_lum[a]); bin_r[a] = sqrt(bin_r[a]); bin_g[a] = sqrt(bin_g[a]); bin_b[a] = sqrt(bin_b[a]); bin_a[a] = sqrt(bin_a[a]); } #endif /* convert hist data to float (proportional to max count) */ nl = na = nr = nb = ng = 0; for (a = 0; a < 256; a++) { if (bin_lum[a] > nl) nl = bin_lum[a]; if (bin_r[a] > nr) nr = bin_r[a]; if (bin_g[a] > ng) ng = bin_g[a]; if (bin_b[a] > nb) nb = bin_b[a]; if (bin_a[a] > na) na = bin_a[a]; } divl = nl ? 1.0 / (double)nl : 1.0; diva = na ? 1.0 / (double)na : 1.0; divr = nr ? 1.0 / (double)nr : 1.0; divg = ng ? 1.0 / (double)ng : 1.0; divb = nb ? 1.0 / (double)nb : 1.0; for (a = 0; a < 256; a++) { scopes->hist.data_luma[a] = bin_lum[a] * divl; scopes->hist.data_r[a] = bin_r[a] * divr; scopes->hist.data_g[a] = bin_g[a] * divg; scopes->hist.data_b[a] = bin_b[a] * divb; scopes->hist.data_a[a] = bin_a[a] * diva; } if (cm_processor) IMB_colormanagement_processor_free(cm_processor); if (cache_handle) IMB_display_buffer_release(cache_handle); scopes->ok = 1; }
/* Draw given image buffer on a screen using GLSL for display transform */ void glaDrawImBuf_glsl(ImBuf *ibuf, float x, float y, int zoomfilter, ColorManagedViewSettings *view_settings, ColorManagedDisplaySettings *display_settings) { bool force_fallback = false; bool need_fallback = true; /* Early out */ if (ibuf->rect == NULL && ibuf->rect_float == NULL) return; /* Single channel images could not be transformed using GLSL yet */ force_fallback |= ibuf->channels == 1; /* If user decided not to use GLSL, fallback to glaDrawPixelsAuto */ force_fallback |= (U.image_draw_method != IMAGE_DRAW_METHOD_GLSL); /* Try to draw buffer using GLSL display transform */ if (force_fallback == false) { int ok; if (ibuf->rect_float) { if (ibuf->float_colorspace) { ok = IMB_colormanagement_setup_glsl_draw_from_space(view_settings, display_settings, ibuf->float_colorspace, ibuf->dither, true); } else { ok = IMB_colormanagement_setup_glsl_draw(view_settings, display_settings, ibuf->dither, true); } } else { ok = IMB_colormanagement_setup_glsl_draw_from_space(view_settings, display_settings, ibuf->rect_colorspace, ibuf->dither, false); } if (ok) { glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); glColor4f(1.0, 1.0, 1.0, 1.0); if (ibuf->rect_float) { int format = 0; if (ibuf->channels == 3) format = GL_RGB; else if (ibuf->channels == 4) format = GL_RGBA; else BLI_assert(!"Incompatible number of channels for GLSL display"); if (format != 0) { glaDrawPixelsTex(x, y, ibuf->x, ibuf->y, format, GL_FLOAT, zoomfilter, ibuf->rect_float); } } else if (ibuf->rect) { /* ibuf->rect is always RGBA */ glaDrawPixelsTex(x, y, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, zoomfilter, ibuf->rect); } IMB_colormanagement_finish_glsl_draw(); need_fallback = false; } } /* In case GLSL failed or not usable, fallback to glaDrawPixelsAuto */ if (need_fallback) { unsigned char *display_buffer; void *cache_handle; display_buffer = IMB_display_buffer_acquire(ibuf, view_settings, display_settings, &cache_handle); if (display_buffer) glaDrawPixelsAuto(x, y, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, zoomfilter, display_buffer); IMB_display_buffer_release(cache_handle); } }