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);
}
/* draws checkerboard background for transparent content */
static void sequencer_draw_background(const SpaceSeq *sseq, View2D *v2d, const float viewrect[2])
{
/* setting up the view */
UI_view2d_totRect_set(v2d, viewrect[0] + 0.5f, viewrect[1] + 0.5f);
UI_view2d_curRect_validate(v2d);
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);
}
}
}
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);
glaDefine2DArea(&ar->winrct);
/* find window pixel coordinates of origin */
UI_view2d_view_to_region(&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 {
if (sima->flag & SI_USE_ALPHA) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
fdrawcheckerboard(x, y, x + ibuf->x * zoomx, y + ibuf->y * zoomy);
}
glaDrawImBuf_glsl_ctx(C, ibuf, x, y, GL_NEAREST);
if (sima->flag & SI_USE_ALPHA)
glDisable(GL_BLEND);
}
/* reset zoom */
glPixelZoom(1.0f, 1.0f);
}
static void draw_movieclip_buffer(const bContext *C, SpaceClip *sc, ARegion *ar, ImBuf *ibuf,
int width, int height, float zoomx, float zoomy)
{
MovieClip *clip = ED_space_clip_get_clip(sc);
int filter = GL_LINEAR;
int x, y;
/* find window pixel coordinates of origin */
UI_view2d_view_to_region(&ar->v2d, 0.0f, 0.0f, &x, &y);
/* checkerboard for case alpha */
if (ibuf->planes == 32) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
fdrawcheckerboard(x, y, x + zoomx * ibuf->x, y + zoomy * ibuf->y);
}
/* non-scaled proxy shouldn't use filtering */
if ((clip->flag & MCLIP_USE_PROXY) == 0 ||
ELEM(sc->user.render_size, MCLIP_PROXY_RENDER_SIZE_FULL, MCLIP_PROXY_RENDER_SIZE_100))
{
filter = GL_NEAREST;
}
/* set zoom */
glPixelZoom(zoomx * width / ibuf->x, zoomy * height / ibuf->y);
glaDrawImBuf_glsl_ctx(C, ibuf, x, y, filter);
/* reset zoom */
glPixelZoom(1.0f, 1.0f);
if (sc->flag & SC_SHOW_METADATA) {
rctf frame;
BLI_rctf_init(&frame, 0.0f, ibuf->x, 0.0f, ibuf->y);
ED_region_image_metadata_draw(x, y, ibuf, &frame, zoomx * width / ibuf->x, zoomy * height / ibuf->y);
}
if (ibuf->planes == 32)
glDisable(GL_BLEND);
}
static void playanim_toscreen(PlayState *ps, PlayAnimPict *picture, struct ImBuf *ibuf, int fontid, int fstep)
{
float offsx, offsy;
if (ibuf == NULL) {
printf("%s: no ibuf for picture '%s'\n", __func__, picture ? picture->name : "<NIL>");
return;
}
if (ibuf->rect == NULL && ibuf->rect_float) {
IMB_rect_from_float(ibuf);
imb_freerectfloatImBuf(ibuf);
}
if (ibuf->rect == NULL)
return;
GHOST_ActivateWindowDrawingContext(g_WS.ghost_window);
/* offset within window */
offsx = 0.5f * (((float)ps->win_x - ps->zoom * ibuf->x) / (float)ps->win_x);
offsy = 0.5f * (((float)ps->win_y - ps->zoom * ibuf->y) / (float)ps->win_y);
CLAMP(offsx, 0.0f, 1.0f);
CLAMP(offsy, 0.0f, 1.0f);
glRasterPos2f(offsx, offsy);
glClearColor(0.1, 0.1, 0.1, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
/* checkerboard for case alpha */
if (ibuf->planes == 32) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
fdrawcheckerboard(offsx, offsy, offsx + (ps->zoom * ibuf->x) / (float)ps->win_x, offsy + (ps->zoom * ibuf->y) / (float)ps->win_y);
}
glDrawPixels(ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, ibuf->rect);
glDisable(GL_BLEND);
pupdate_time();
if (picture && (g_WS.qual & (WS_QUAL_SHIFT | WS_QUAL_LMOUSE)) && (fontid != -1)) {
int sizex, sizey;
float fsizex_inv, fsizey_inv;
char str[32 + FILE_MAX];
cpack(-1);
BLI_snprintf(str, sizeof(str), "%s | %.2f frames/s", picture->name, fstep / swaptime);
playanim_window_get_size(&sizex, &sizey);
fsizex_inv = 1.0f / sizex;
fsizey_inv = 1.0f / sizey;
BLF_enable(fontid, BLF_ASPECT);
BLF_aspect(fontid, fsizex_inv, fsizey_inv, 1.0f);
BLF_position(fontid, 10.0f * fsizex_inv, 10.0f * fsizey_inv, 0.0f);
BLF_draw(fontid, str, sizeof(str));
}
GHOST_SwapWindowBuffers(g_WS.ghost_window);
}
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);
}
