Differential D4638 Diff 14550 source/blender/editors/space_view3d/view3d_draw_legacy.c

Changeset View

Standalone View

source/blender/editors/space_view3d/view3d_draw_legacy.c

Show First 20 Lines • Show All 434 Lines • ▼ Show 20 Lines	for (int nr = 1; nr <= height; nr++) {
}		}
}		}

exit:		exit:
MEM_freeN(buf);		MEM_freeN(buf);
return index;		return index;
}		}


/* ************************************************************* */

static void view3d_stereo_bgpic_setup(Scene scene, View3D v3d, Image ima, ImageUser iuser)
{
if (BKE_image_is_stereo(ima)) {
iuser->flag \|= IMA_SHOW_STEREO;

if ((scene->r.scemode & R_MULTIVIEW) == 0) {
iuser->multiview_eye = STEREO_LEFT_ID;
}
else if (v3d->stereo3d_camera != STEREO_3D_ID) {
/* show only left or right camera */
iuser->multiview_eye = v3d->stereo3d_camera;
}

BKE_image_multiview_index(ima, iuser);
}
else {
iuser->flag &= ~IMA_SHOW_STEREO;
}
}

static void view3d_draw_bgpic(Scene scene, Depsgraph depsgraph,
ARegion ar, View3D v3d,
const bool do_foreground, const bool do_camera_frame)
{
RegionView3D *rv3d = ar->regiondata;
int fg_flag = do_foreground ? CAM_BGIMG_FLAG_FOREGROUND : 0;
if (v3d->camera == NULL \|\| v3d->camera->type != OB_CAMERA) {
return;
}
Camera *cam = v3d->camera->data;

for (CameraBGImage *bgpic = cam->bg_images.first; bgpic; bgpic = bgpic->next) {
if ((bgpic->flag & CAM_BGIMG_FLAG_FOREGROUND) != fg_flag) {
continue;
}

{
float image_aspect[2];
float x1, y1, x2, y2, centx, centy;

void *lock;

Image *ima = NULL;

/* disable individual images */
if ((bgpic->flag & CAM_BGIMG_FLAG_DISABLED)) {
continue;
}

ImBuf *ibuf = NULL;
ImBuf *freeibuf = NULL;
ImBuf *releaseibuf = NULL;
if (bgpic->source == CAM_BGIMG_SOURCE_IMAGE) {
ima = bgpic->ima;
if (ima == NULL) {
continue;
}

ImageUser iuser = bgpic->iuser;
iuser.scene = scene; /* Needed for render results. */
BKE_image_user_frame_calc(&iuser, (int)DEG_get_ctime(depsgraph));
if (ima->source == IMA_SRC_SEQUENCE && !(iuser.flag & IMA_USER_FRAME_IN_RANGE)) {
ibuf = NULL; /* frame is out of range, dont show */
}
else {
view3d_stereo_bgpic_setup(scene, v3d, ima, &iuser);
ibuf = BKE_image_acquire_ibuf(ima, &iuser, &lock);
releaseibuf = ibuf;
}

image_aspect[0] = ima->aspx;
image_aspect[1] = ima->aspy;
}
else if (bgpic->source == CAM_BGIMG_SOURCE_MOVIE) {
/* TODO: skip drawing when out of frame range (as image sequences do above) */
MovieClip *clip = NULL;

if (bgpic->flag & CAM_BGIMG_FLAG_CAMERACLIP) {
if (scene->camera) {
clip = BKE_object_movieclip_get(scene, scene->camera, true);
}
}
else {
clip = bgpic->clip;
}

if (clip == NULL) {
continue;
}

BKE_movieclip_user_set_frame(&bgpic->cuser, (int)DEG_get_ctime(depsgraph));
ibuf = BKE_movieclip_get_ibuf(clip, &bgpic->cuser);

image_aspect[0] = clip->aspx;
image_aspect[1] = clip->aspy;

/* working with ibuf from image and clip has got different workflow now.
* ibuf acquired from clip is referenced by cache system and should
* be dereferenced after usage. */
freeibuf = ibuf;
}
else {
/* perhaps when loading future files... */
BLI_assert(0);
copy_v2_fl(image_aspect, 1.0f);
}

if (ibuf == NULL) {
continue;
}

if ((ibuf->rect == NULL && ibuf->rect_float == NULL) \|\| ibuf->channels != 4) {
/* invalid image format */
if (freeibuf) {
IMB_freeImBuf(freeibuf);
}
if (releaseibuf) {
BKE_image_release_ibuf(ima, releaseibuf, lock);
}

continue;
}

if (ibuf->rect == NULL) {
IMB_rect_from_float(ibuf);
}

BLI_assert(rv3d->persp == RV3D_CAMOB);
{
if (do_camera_frame) {
rctf vb;
ED_view3d_calc_camera_border(scene, depsgraph, ar, v3d, rv3d, &vb, false);
x1 = vb.xmin;
y1 = vb.ymin;
x2 = vb.xmax;
y2 = vb.ymax;
}
else {
x1 = ar->winrct.xmin;
y1 = ar->winrct.ymin;
x2 = ar->winrct.xmax;
y2 = ar->winrct.ymax;
}

/* apply offset last - camera offset is different to offset in blender units */
/* so this has some sane way of working - this matches camera's shift _exactly_ */
{
const float max_dim = max_ff(x2 - x1, y2 - y1);
const float xof_scale = bgpic->offset[0] * max_dim;
const float yof_scale = bgpic->offset[1] * max_dim;

x1 += xof_scale;
y1 += yof_scale;
x2 += xof_scale;
y2 += yof_scale;
}

centx = (x1 + x2) * 0.5f;
centy = (y1 + y2) * 0.5f;

/* aspect correction */
if (bgpic->flag & CAM_BGIMG_FLAG_CAMERA_ASPECT) {
/* apply aspect from clip */
const float w_src = ibuf->x * image_aspect[0];
const float h_src = ibuf->y * image_aspect[1];

/* destination aspect is already applied from the camera frame */
const float w_dst = x1 - x2;
const float h_dst = y1 - y2;

const float asp_src = w_src / h_src;
const float asp_dst = w_dst / h_dst;

if (fabsf(asp_src - asp_dst) >= FLT_EPSILON) {
if ((asp_src > asp_dst) == ((bgpic->flag & CAM_BGIMG_FLAG_CAMERA_CROP) != 0)) {
/* fit X */
const float div = asp_src / asp_dst;
x1 = ((x1 - centx) * div) + centx;
x2 = ((x2 - centx) * div) + centx;
}
else {
/* fit Y */
const float div = asp_dst / asp_src;
y1 = ((y1 - centy) * div) + centy;
y2 = ((y2 - centy) * div) + centy;
}
}
}
}

/* complete clip? */
rctf clip_rect;
BLI_rctf_init(&clip_rect, x1, x2, y1, y2);
if (bgpic->rotation) {
BLI_rctf_rotate_expand(&clip_rect, &clip_rect, bgpic->rotation);
}

if (clip_rect.xmax < 0 \|\| clip_rect.ymax < 0 \|\| clip_rect.xmin > ar->winx \|\| clip_rect.ymin > ar->winy) {
if (freeibuf) {
IMB_freeImBuf(freeibuf);
}
if (releaseibuf) {
BKE_image_release_ibuf(ima, releaseibuf, lock);
}

continue;
}

float zoomx = (x2 - x1) / ibuf->x;
float zoomy = (y2 - y1) / ibuf->y;

/* for some reason; zoomlevels down refuses to use GL_ALPHA_SCALE */
if (zoomx < 1.0f \|\| zoomy < 1.0f) {
float tzoom = min_ff(zoomx, zoomy);
int mip = 0;

if ((ibuf->userflags & IB_MIPMAP_INVALID) != 0) {
IMB_remakemipmap(ibuf, 0);
ibuf->userflags &= ~IB_MIPMAP_INVALID;
}
else if (ibuf->mipmap[0] == NULL) {
IMB_makemipmap(ibuf, 0);
}

while (tzoom < 1.0f && mip < 8 && ibuf->mipmap[mip]) {
tzoom *= 2.0f;
zoomx *= 2.0f;
zoomy *= 2.0f;
mip++;
}
if (mip > 0) {
ibuf = ibuf->mipmap[mip - 1];
}
}

GPU_depth_test(!do_foreground);
glDepthMask(GL_FALSE);

GPU_blend(true);
GPU_blend_set_func_separate(GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);

GPU_matrix_push_projection();
GPU_matrix_push();
ED_region_pixelspace(ar);

GPU_matrix_translate_2f(centx, centy);
GPU_matrix_scale_1f(bgpic->scale);
GPU_matrix_rotate_2d(RAD2DEGF(-bgpic->rotation));

if (bgpic->flag & CAM_BGIMG_FLAG_FLIP_X) {
zoomx *= -1.0f;
x1 = x2;
}
if (bgpic->flag & CAM_BGIMG_FLAG_FLIP_Y) {
zoomy *= -1.0f;
y1 = y2;
}

float col[4] = {1.0f, 1.0f, 1.0f, bgpic->alpha};
IMMDrawPixelsTexState state = immDrawPixelsTexSetup(GPU_SHADER_2D_IMAGE_COLOR);
immDrawPixelsTex(&state, x1 - centx, y1 - centy, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, GL_LINEAR, ibuf->rect,
zoomx, zoomy, col);

GPU_matrix_pop_projection();
GPU_matrix_pop();

GPU_blend(false);

glDepthMask(GL_TRUE);
GPU_depth_test(true);

if (freeibuf) {
IMB_freeImBuf(freeibuf);
}
if (releaseibuf) {
BKE_image_release_ibuf(ima, releaseibuf, lock);
}
}
}
}

void ED_view3d_draw_bgpic_test(
Scene scene, Depsgraph depsgraph,
ARegion ar, View3D v3d,
const bool do_foreground, const bool do_camera_frame)
{
RegionView3D *rv3d = ar->regiondata;

if ((rv3d->persp == RV3D_CAMOB) && v3d->camera && (v3d->camera->type == OB_CAMERA)) {
Camera *cam = v3d->camera->data;
if ((cam->flag & CAM_SHOW_BG_IMAGE) == 0) {
return;
}
}
else {
return;
}

/* disabled - mango request, since footage /w only render is quite useful
* and this option is easy to disable all background images at once */
#if 0
if (v3d->flag2 & V3D_HIDE_OVERLAYS) {
return;
}
#endif

if ((rv3d->view == RV3D_VIEW_USER) \|\| (rv3d->persp != RV3D_ORTHO)) {
if (rv3d->persp == RV3D_CAMOB) {
view3d_draw_bgpic(scene, depsgraph, ar, v3d, do_foreground, do_camera_frame);
}
}
else {
view3d_draw_bgpic(scene, depsgraph, ar, v3d, do_foreground, do_camera_frame);
}
}

/* *********************** */		/* *********************** */

void view3d_update_depths_rect(ARegion ar, ViewDepths d, rcti *rect)		void view3d_update_depths_rect(ARegion ar, ViewDepths d, rcti *rect)
{		{
/* clamp rect by region */		/* clamp rect by region */
rcti r = {		rcti r = {
.xmin = 0,		.xmin = 0,
.xmax = ar->winx - 1,		.xmax = ar->winx - 1,
▲ Show 20 Lines • Show All 319 Lines • Show Last 20 Lines