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);
}
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);
}
}
}