static void composite_update(GF_TextureHandler *txh) { s32 w, h; GF_STENCIL stencil; M_Background2D *back; GF_TraverseState *tr_state; Bool invalidate_all; u32 new_pixel_format; GF_Compositor *compositor = (GF_Compositor *)txh->compositor; CompositeTextureStack *st = (CompositeTextureStack *) gf_node_get_private(txh->owner); GF_Raster2D *raster = st->visual->compositor->rasterizer; if (st->unsupported) return; /* if (compositor->recompute_ar) { gf_node_dirty_set(txh->owner, 0, 0); return; } */ if (!compositor->rebuild_offscreen_textures && (!compositor->text_edit_changed || !st->visual->has_text_edit ) && !gf_node_dirty_get(txh->owner)) { txh->needs_refresh = 0; return; } gf_node_dirty_clear(st->txh.owner, 0); new_pixel_format = 0; back = gf_list_get(st->visual->back_stack, 0); if (back && back->isBound) new_pixel_format = GF_PIXEL_RGB_24; else new_pixel_format = GF_PIXEL_RGBA; #ifdef GPAC_USE_TINYGL /*TinyGL pixel format is fixed at compile time, we cannot override it !*/ if (st->visual->type_3d) new_pixel_format = GF_PIXEL_RGBA; #else #ifndef GPAC_DISABLE_3D /*no alpha support in offscreen rendering*/ if ( (st->visual->type_3d) && !(compositor->video_out->hw_caps & GF_VIDEO_HW_OPENGL_OFFSCREEN_ALPHA)) new_pixel_format = GF_PIXEL_RGB_24; #endif /*in OpenGL_ES, only RGBA can be safelly used with glReadPixels*/ #ifdef GPAC_USE_OGL_ES new_pixel_format = GF_PIXEL_RGBA; #endif #endif /*FIXME - we assume RGB+Depth+bitshape, we should check with the video out module*/ #if defined(GF_SR_USE_DEPTH) && !defined(GPAC_DISABLE_3D) if (st->visual->type_3d && (compositor->video_out->hw_caps & GF_VIDEO_HW_HAS_DEPTH) ) new_pixel_format = GF_PIXEL_RGBDS; #endif #ifndef GPAC_DISABLE_3D if (st->visual->type_3d>1) { w = ((M_CompositeTexture3D*)txh->owner)->pixelWidth; h = ((M_CompositeTexture3D*)txh->owner)->pixelHeight; } else #endif { w = ((M_CompositeTexture2D*)txh->owner)->pixelWidth; h = ((M_CompositeTexture2D*)txh->owner)->pixelHeight; } /*internal GPAC hacks for testing color spaces*/ if (w<-1) { w = -w; if (h<0) { h = -h; if (new_pixel_format==GF_PIXEL_RGBA) { new_pixel_format=GF_PIXEL_ARGB; } else { new_pixel_format=GF_PIXEL_BGR_24; } } else { if (new_pixel_format==GF_PIXEL_RGB_24) { new_pixel_format=GF_PIXEL_RGB_32; } } } else if (h<-1) { h = -h; if (new_pixel_format==GF_PIXEL_RGB_24) { new_pixel_format=GF_PIXEL_RGB_32; } } if (w<0) w = 0; if (h<0) h = 0; if (!w || !h) { if (txh->tx_io) { #ifdef GPAC_USE_TINYGL if (st->tgl_ctx) ostgl_delete_context(st->tgl_ctx); #endif gf_sc_texture_release(txh); if (txh->data) gf_free(txh->data); txh->data = NULL; txh->width = txh->height = txh->stride = 0; } return; } invalidate_all = compositor->rebuild_offscreen_textures; /*rebuild stencil*/ if (!txh->tx_io || (w != (s32) txh->width) || ( h != (s32) txh->height) || (new_pixel_format != txh->pixelformat) ) { Bool needs_stencil = 1; if (txh->tx_io) { #ifdef GPAC_USE_TINYGL if (st->tgl_ctx) ostgl_delete_context(st->tgl_ctx); #endif gf_sc_texture_release(txh); if (txh->data) gf_free(txh->data); txh->data = NULL; } /*we don't use rect ext because of no support for texture transforms*/ if (1 #ifndef GPAC_DISABLE_3D || compositor->gl_caps.npot_texture #endif ) { st->txh.width = w; st->txh.height = h; st->sx = st->sy = FIX_ONE; } else { st->txh.width = 2; while (st->txh.width<(u32)w) st->txh.width*=2; st->txh.height = 2; while (st->txh.height<(u32)h) st->txh.height*=2; st->sx = INT2FIX(st->txh.width) / w; st->sy = INT2FIX(st->txh.height) / h; } gf_sc_texture_allocate(txh); txh->pixelformat = new_pixel_format; switch (new_pixel_format) { case GF_PIXEL_RGBA: case GF_PIXEL_ARGB: txh->stride = txh->width * 4; txh->transparent = 1; break; case GF_PIXEL_RGB_565: txh->stride = txh->width * 2; txh->transparent = 0; break; case GF_PIXEL_RGBDS: txh->stride = txh->width * 4; txh->transparent = 1; break; case GF_PIXEL_RGB_24: txh->stride = txh->width * 3; txh->transparent = 0; break; } st->visual->width = txh->width; st->visual->height = txh->height; stencil = raster->stencil_new(raster, GF_STENCIL_TEXTURE); /*TODO - add support for compositeTexture3D when root is 2D visual*/ #ifndef GPAC_DISABLE_3D if (st->visual->type_3d) { GF_Compositor *compositor = st->visual->compositor; /*figure out what to do if main visual (eg video out) is not in OpenGL ...*/ if (!compositor->visual->type_3d) { /*create an offscreen window for OpenGL rendering*/ if ((compositor->offscreen_width < st->txh.width) || (compositor->offscreen_height < st->txh.height)) { #ifndef GPAC_USE_TINYGL GF_Err e; GF_Event evt; compositor->offscreen_width = MAX(compositor->offscreen_width, st->txh.width); compositor->offscreen_height = MAX(compositor->offscreen_height, st->txh.height); evt.type = GF_EVENT_VIDEO_SETUP; evt.setup.width = compositor->offscreen_width; evt.setup.height = compositor->offscreen_height; evt.setup.back_buffer = 0; evt.setup.opengl_mode = 2; e = compositor->video_out->ProcessEvent(compositor->video_out, &evt); if (e) { gf_sc_texture_release(txh); st->unsupported = 1; return; } /*reload openGL ext*/ gf_sc_load_opengl_extensions(compositor, 1); #endif } } else { needs_stencil = 0; } } #endif if (needs_stencil) { txh->data = (char*)gf_malloc(sizeof(unsigned char) * txh->stride * txh->height); memset(txh->data, 0, sizeof(unsigned char) * txh->stride * txh->height); /*set stencil texture - we don't check error as an image could not be supported by the rasterizer but still supported by the blitter (case of RGBD/RGBDS)*/ raster->stencil_set_texture(stencil, txh->data, txh->width, txh->height, txh->stride, txh->pixelformat, txh->pixelformat, 0); #ifdef GPAC_USE_TINYGL if (st->visual->type_3d && !compositor->visual->type_3d) { st->tgl_ctx = ostgl_create_context(txh->width, txh->height, txh->transparent ? 32 : 24, &txh->data, 1); GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[CompositeTexture] Creating TinyGL Offscreen context %p (%d %d - pf %s)\n", st->tgl_ctx, txh->width, txh->width, gf_4cc_to_str(txh->pixelformat))); } #endif } invalidate_all = 1; gf_sc_texture_set_stencil(txh, stencil); } if (!txh->tx_io) return; stencil = gf_sc_texture_get_stencil(txh); if (!stencil) return; #ifdef GPAC_USE_TINYGL if (st->tgl_ctx) ostgl_make_current(st->tgl_ctx, 0); #endif GF_SAFEALLOC(tr_state, GF_TraverseState); tr_state->vrml_sensors = gf_list_new(); tr_state->visual = st->visual; tr_state->invalidate_all = invalidate_all; tr_state->immediate_draw = st->visual->compositor->traverse_state->immediate_draw; gf_mx2d_init(tr_state->transform); gf_cmx_init(&tr_state->color_mat); tr_state->backgrounds = st->visual->back_stack; tr_state->viewpoints = st->visual->view_stack; tr_state->pixel_metrics = gf_sg_use_pixel_metrics(gf_node_get_graph(st->txh.owner)); tr_state->min_hsize = INT2FIX( MIN(txh->width, txh->height) ) / 2; tr_state->vp_size.x = INT2FIX(txh->width); tr_state->vp_size.y = INT2FIX(txh->height); composite_do_bindable(st->txh.owner, tr_state, st->first); st->first = 0; GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[CompositeTexture] Entering draw cycle\n")); txh->needs_refresh = visual_draw_frame(st->visual, st->txh.owner, tr_state, 0); txh->transparent = (st->visual->last_had_back==2) ? 0 : 1; if (!compositor->edited_text && st->visual->has_text_edit) st->visual->has_text_edit = 0; /*set active viewport in image coordinates top-left=(0, 0), not in BIFS*/ if (0 && gf_list_count(st->visual->view_stack)) { M_Viewport *vp = (M_Viewport *)gf_list_get(st->visual->view_stack, 0); if (vp->isBound) { SFVec2f size = vp->size; if (size.x >=0 && size.y>=0) { /*FIXME - we need tracking of VP changes*/ txh->needs_refresh = 1; } } } if (txh->needs_refresh) { #ifndef GPAC_DISABLE_3D if (st->visual->camera.is_3D) { if (st->visual->compositor->visual->type_3d) { #ifndef GPAC_USE_TINYGL gf_sc_copy_to_texture(&st->txh); #else /*in TinyGL we only need to push associated bitmap to the texture*/ gf_sc_texture_push_image(&st->txh, 0, 0); #endif } else { #ifndef GPAC_USE_TINYGL gf_sc_copy_to_stencil(&st->txh); #else if (txh->pixelformat==GF_PIXEL_RGBDS) gf_get_tinygl_depth(&st->txh); #endif } } else #endif { if (raster->stencil_texture_modified) raster->stencil_texture_modified(stencil); gf_sc_texture_set_stencil(txh, stencil); } gf_sc_invalidate(st->txh.compositor, NULL); } gf_list_del(tr_state->vrml_sensors); gf_free(tr_state); GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[CompositeTexture] Leaving draw cycle\n")); }
Bool group_cache_traverse(GF_Node *node, GroupCache *cache, GF_TraverseState *tr_state, Bool force_recompute, Bool is_mpeg4, Bool auto_fit_vp) { GF_Matrix2D backup; DrawableContext *group_ctx = NULL; GF_ChildNodeItem *l; if (!cache) return 0; /*do we need to recompute the cache*/ if (cache->force_recompute) { force_recompute = 1; cache->force_recompute = 0; } else if (gf_node_dirty_get(node) & GF_SG_CHILD_DIRTY) { force_recompute = 1; } /*we need to redraw the group in an offscreen visual*/ if (force_recompute) { GF_Matrix2D backup; GF_IRect rc1, rc2; u32 type_3d; u32 prev_flags; GF_Rect cache_bounds; GF_SURFACE offscreen_surface, old_surf; GF_Raster2D *r2d = tr_state->visual->compositor->rasterizer; DrawableContext *child_ctx; Fixed temp_x, temp_y, scale_x, scale_y; GF_LOG(GF_LOG_INFO, GF_LOG_COMPOSE, ("[Compositor] Recomputing cache for subtree %s\n", gf_node_get_log_name(node))); /*step 1 : store current state and indicate children should not be cached*/ tr_state->in_group_cache = 1; prev_flags = tr_state->immediate_draw; /*store the current transform matrix, create a new one for group_cache*/ gf_mx2d_copy(backup, tr_state->transform); gf_mx2d_init(tr_state->transform); type_3d = 0; #ifndef GPAC_DISABLE_3D /*force 2D rendering*/ type_3d = tr_state->visual->type_3d; tr_state->visual->type_3d = 0; #endif /*step 2: collect the bounds of all children*/ tr_state->traversing_mode = TRAVERSE_GET_BOUNDS; cache_bounds.width = cache_bounds.height = 0; l = ((GF_ParentNode*)node)->children; while (l) { tr_state->bounds.width = tr_state->bounds.height = 0; gf_node_traverse(l->node, tr_state); l = l->next; gf_rect_union(&cache_bounds, &tr_state->bounds); } tr_state->traversing_mode = TRAVERSE_SORT; if (!cache_bounds.width || !cache_bounds.height) { tr_state->in_group_cache = 0; tr_state->immediate_draw = prev_flags; gf_mx2d_copy(tr_state->transform, backup); #ifndef GPAC_DISABLE_3D tr_state->visual->type_3d = type_3d; #endif return 0; } /*step 3: insert a DrawableContext for this group in the display list*/ if (is_mpeg4) { #ifndef GPAC_DISABLE_VRML group_ctx = drawable_init_context_mpeg4(cache->drawable, tr_state); #endif } else { #ifndef GPAC_DISABLE_SVG group_ctx = drawable_init_context_svg(cache->drawable, tr_state); #endif } if (!group_ctx) return 0; /*step 4: now we have the bounds: allocate the offscreen memory create temp raster visual & attach to buffer override the tr_state->visual->the_surface with the temp raster add translation (shape is not always centered) setup top clipers */ old_surf = tr_state->visual->raster_surface; offscreen_surface = r2d->surface_new(r2d, tr_state->visual->center_coords); /*a new temp raster visual*/ tr_state->visual->raster_surface = offscreen_surface; /*use current surface coordinate scaling to compute the cache*/ #ifdef GF_SR_USE_VIDEO_CACHE scale_x = tr_state->visual->compositor->cache_scale * backup.m[0] / 100; scale_y = tr_state->visual->compositor->cache_scale * backup.m[4] / 100; #else scale_x = backup.m[0]; scale_y = backup.m[4]; #endif if (scale_x<0) scale_x = -scale_x; if (scale_y<0) scale_y = -scale_y; cache->scale = MAX(scale_x, scale_y); tr_state->bounds = cache_bounds; gf_mx2d_add_scale(&tr_state->transform, scale_x, scale_y); gf_mx2d_apply_rect(&tr_state->transform, &cache_bounds); rc1 = gf_rect_pixelize(&cache_bounds); if (rc1.width % 2) rc1.width++; if (rc1.height%2) rc1.height++; /* Initialize the group cache with the scaled pixelized bounds for texture but the original bounds for path*/ group_cache_setup(cache, &tr_state->bounds, &rc1, tr_state->visual->compositor, type_3d); /*attach the buffer to visual*/ r2d->surface_attach_to_buffer(offscreen_surface, cache->txh.data, cache->txh.width, cache->txh.height, 0, cache->txh.stride, cache->txh.pixelformat); /*recompute the bounds with the final scaling used*/ scale_x = gf_divfix(INT2FIX(rc1.width), tr_state->bounds.width); scale_y = gf_divfix(INT2FIX(rc1.height), tr_state->bounds.height); gf_mx2d_init(tr_state->transform); gf_mx2d_add_scale(&tr_state->transform, scale_x, scale_y); cache_bounds = tr_state->bounds; gf_mx2d_apply_rect(&tr_state->transform, &cache_bounds); /*centered the bitmap on the visual*/ temp_x = -cache_bounds.x; temp_y = -cache_bounds.y; if (tr_state->visual->center_coords) { temp_x -= cache_bounds.width/2; temp_y += cache_bounds.height/2; } else { temp_y += cache_bounds.height; } gf_mx2d_add_translation(&tr_state->transform, temp_x, temp_y); /*override top clippers*/ rc1 = tr_state->visual->surf_rect; rc2 = tr_state->visual->top_clipper; tr_state->visual->surf_rect.width = cache->txh.width; tr_state->visual->surf_rect.height = cache->txh.height; if (tr_state->visual->center_coords) { tr_state->visual->surf_rect.y = cache->txh.height/2; tr_state->visual->surf_rect.x = -1 * (s32) cache->txh.width/2; } else { tr_state->visual->surf_rect.y = cache->txh.height; tr_state->visual->surf_rect.x = 0; } tr_state->visual->top_clipper = tr_state->visual->surf_rect; /*step 5: traverse subtree in direct draw mode*/ tr_state->immediate_draw = 1; group_ctx->flags &= ~CTX_NO_ANTIALIAS; l = ((GF_ParentNode*)node)->children; while (l) { gf_node_traverse(l->node, tr_state); l = l->next; } /*step 6: reset all contexts after the current group one*/ child_ctx = group_ctx->next; while (child_ctx && child_ctx->drawable) { drawable_reset_bounds(child_ctx->drawable, tr_state->visual); child_ctx->drawable = NULL; child_ctx = child_ctx->next; } /*and set ourselves as the last context on the main visual*/ tr_state->visual->cur_context = group_ctx; /*restore state and destroy whatever needs to be cleaned*/ gf_mx2d_copy(tr_state->transform, backup); tr_state->in_group_cache = 0; tr_state->immediate_draw = prev_flags; r2d->surface_delete(offscreen_surface); tr_state->visual->raster_surface = old_surf; tr_state->traversing_mode = TRAVERSE_SORT; #ifndef GPAC_DISABLE_3D tr_state->visual->type_3d = type_3d; #endif tr_state->visual->surf_rect = rc1; tr_state->visual->top_clipper = rc2; /*update texture*/ cache->txh.transparent = 1; cache->txh.flags |= GF_SR_TEXTURE_NO_GL_FLIP; gf_sc_texture_set_data(&cache->txh); gf_sc_texture_push_image(&cache->txh, 0, type_3d ? 0 : 1); cache->orig_vp = tr_state->vp_size; } /*just setup the context*/ else { if (is_mpeg4) { #ifndef GPAC_DISABLE_VRML group_ctx = drawable_init_context_mpeg4(cache->drawable, tr_state); #endif } else { #ifndef GPAC_DISABLE_SVG group_ctx = drawable_init_context_svg(cache->drawable, tr_state); #endif } } if (!group_ctx) return 0; group_ctx->flags |= CTX_NO_ANTIALIAS; if (cache->opacity != FIX_ONE) group_ctx->aspect.fill_color = GF_COL_ARGB_FIXED(cache->opacity, FIX_ONE, FIX_ONE, FIX_ONE); else group_ctx->aspect.fill_color = 0; group_ctx->aspect.fill_texture = &cache->txh; if (!cache->opacity) { group_ctx->drawable = NULL; return 0; } if (gf_node_dirty_get(node)) group_ctx->flags |= CTX_TEXTURE_DIRTY; #ifdef CACHE_DEBUG_CENTER gf_mx2d_copy(backup, tr_state->transform); gf_mx2d_init(tr_state->transform); #else gf_mx2d_copy(backup, tr_state->transform); if (auto_fit_vp) { if ((tr_state->vp_size.x != cache->orig_vp.x) || (tr_state->vp_size.y != cache->orig_vp.y)) { GF_Matrix2D m; gf_mx2d_init(m); gf_mx2d_copy(backup, tr_state->transform); gf_mx2d_add_scale(&m, gf_divfix(tr_state->vp_size.x, cache->orig_vp.x), gf_divfix(tr_state->vp_size.y, cache->orig_vp.y) ); gf_mx2d_pre_multiply(&tr_state->transform, &m); } else { auto_fit_vp = 0; } } #endif #ifndef GPAC_DISABLE_3D if (tr_state->visual->type_3d) { if (!cache->drawable->mesh) { cache->drawable->mesh = new_mesh(); mesh_from_path(cache->drawable->mesh, cache->drawable->path); } visual_3d_draw_from_context(group_ctx, tr_state); group_ctx->drawable = NULL; } else #endif drawable_finalize_sort(group_ctx, tr_state, NULL); #ifndef CACHE_DEBUG_CENTER if (auto_fit_vp) #endif { gf_mx2d_copy(tr_state->transform, backup); } return (force_recompute==1); }
/* This is a crude draft implementation of filter. The main drawback is that we don't cache any data. We should be able to check for changes in the sub-group or in the filter */ void svg_draw_filter(GF_Node *filter, GF_Node *node, GF_TraverseState *tr_state) { GF_IRect rc1, rc2; #ifndef GPAC_DISABLE_3D u32 type_3d; #endif u32 prev_flags; GF_IRect txrc; Fixed scale_x, scale_y, temp_x, temp_y; DrawableContext *ctx, *child_ctx; GF_SURFACE offscreen_surface, old_surf; GF_Rect bounds, local_bounds, rc; GF_Matrix2D backup; SVGAllAttributes all_atts; GF_FilterStack *st = gf_node_get_private(filter); assert(tr_state->traversing_mode==TRAVERSE_SORT); /*store the current transform matrix, create a new one for group_cache*/ gf_mx2d_copy(backup, tr_state->transform); gf_mx2d_init(tr_state->transform); gf_node_allow_cyclic_traverse(node); tr_state->traversing_mode = TRAVERSE_GET_BOUNDS; tr_state->bounds.width = tr_state->bounds.height = 0; gf_node_traverse(node, tr_state); local_bounds = bounds = tr_state->bounds; /*compute bounds in final coordinate system - this ensures that the cache has the correct anti aliasing*/ gf_mx2d_apply_rect(&backup, &bounds); txrc = gf_rect_pixelize(&bounds); if (txrc.width%2) txrc.width++; if (txrc.height%2) txrc.height++; bounds = gf_rect_ft(&txrc); tr_state->traversing_mode = TRAVERSE_SORT; gf_mx2d_copy(tr_state->transform, backup); if (!bounds.width || !bounds.height) { return; } /*create a context */ ctx = drawable_init_context_svg(st->drawable, tr_state); if (!ctx) return; /*setup texture */ st->txh.height = txrc.height; st->txh.width = txrc.width; st->txh.stride = txrc.width * 4; st->txh.pixelformat = GF_PIXEL_ARGB; #ifndef GPAC_DISABLE_3D if (tr_state->visual->type_3d) st->txh.pixelformat = GF_PIXEL_RGBA; #endif st->txh.transparent = 1; if (st->txh.stride * st->txh.height > st->alloc_size) { st->alloc_size = st->txh.stride * st->txh.height; st->data = (u8*)gf_realloc(st->data, sizeof(u8) * st->alloc_size); } memset(st->data, 0x0, sizeof(char) * st->txh.stride * st->txh.height); st->txh.data = (char *) st->data; /*setup geometry (rectangle matching the bounds of the object) Warning, we want to center the cached bitmap at the center of the screen (main visual)*/ gf_path_reset(st->drawable->path); gf_path_add_rect_center(st->drawable->path, bounds.x + bounds.width/2, bounds.y - bounds.height/2, bounds.width, bounds.height); old_surf = tr_state->visual->raster_surface; offscreen_surface = tr_state->visual->compositor->rasterizer->surface_new(tr_state->visual->compositor->rasterizer, tr_state->visual->center_coords); tr_state->visual->raster_surface = offscreen_surface; gf_mx2d_copy(backup, tr_state->transform); gf_mx2d_init(tr_state->transform); /*attach the buffer to visual*/ tr_state->visual->compositor->rasterizer->surface_attach_to_buffer(offscreen_surface, st->txh.data, st->txh.width, st->txh.height, 0, st->txh.stride, st->txh.pixelformat); prev_flags = tr_state->immediate_draw; tr_state->immediate_draw = 1; tr_state->traversing_mode = TRAVERSE_SORT; tr_state->in_svg_filter = 1; /*recompute the bounds with the final scaling used*/ scale_x = gf_divfix(bounds.width, local_bounds.width); scale_y = gf_divfix(bounds.height, local_bounds.height); gf_mx2d_init(tr_state->transform); gf_mx2d_add_scale(&tr_state->transform, scale_x, scale_y); rc = local_bounds; gf_mx2d_apply_rect(&tr_state->transform, &rc); /*centered the bitmap on the visual*/ if (tr_state->visual->center_coords) { temp_x = -rc.x - rc.width/2; temp_y = rc.height/2 - rc.y; } else { temp_x = -rc.x; temp_y = rc.height - rc.y; } gf_mx2d_add_translation(&tr_state->transform, temp_x, temp_y); rc1 = tr_state->visual->surf_rect; rc2 = tr_state->visual->top_clipper; tr_state->visual->surf_rect.width = st->txh.width; tr_state->visual->surf_rect.height = st->txh.height; if (tr_state->visual->center_coords) { tr_state->visual->surf_rect.y = st->txh.height/2; tr_state->visual->surf_rect.x = -1 * (s32) st->txh.width/2; } else { tr_state->visual->surf_rect.y = st->txh.height; tr_state->visual->surf_rect.x = 0; } tr_state->visual->top_clipper = tr_state->visual->surf_rect; #ifndef GPAC_DISABLE_3D type_3d = tr_state->visual->type_3d; tr_state->visual->type_3d=0; #endif if (prev_flags) gf_node_allow_cyclic_traverse(node); gf_node_traverse(node, tr_state); child_ctx = ctx->next; while (child_ctx && child_ctx->drawable) { drawable_reset_bounds(child_ctx->drawable, tr_state->visual); child_ctx->drawable = NULL; child_ctx = child_ctx->next; } tr_state->visual->cur_context = ctx; /*restore state and destroy whatever needs to be cleaned*/ tr_state->in_svg_filter = 0; tr_state->immediate_draw = prev_flags; tr_state->visual->compositor->rasterizer->surface_delete(offscreen_surface); tr_state->visual->raster_surface = old_surf; tr_state->traversing_mode = TRAVERSE_SORT; tr_state->visual->surf_rect = rc1; tr_state->visual->top_clipper = rc2; #ifndef GPAC_DISABLE_3D tr_state->visual->type_3d = type_3d ; #endif /*update texture*/ st->txh.transparent = 1; st->txh.flags |= GF_SR_TEXTURE_NO_GL_FLIP; gf_sc_texture_set_data(&st->txh); #ifndef GPAC_DISABLE_3D if (tr_state->visual->type_3d) gf_sc_texture_push_image(&st->txh, 0, 0); else #endif gf_sc_texture_push_image(&st->txh, 0, 1); ctx->flags |= CTX_NO_ANTIALIAS; ctx->aspect.fill_color = 0; ctx->aspect.line_color = 0xFF000000; ctx->aspect.fill_texture = &st->txh; ctx->flags |= CTX_TEXTURE_DIRTY; /*get the filter region*/ bounds = local_bounds; gf_svg_flatten_attributes((SVG_Element *)filter, &all_atts); if (!all_atts.filterUnits || (*all_atts.filterUnits==SVG_GRADIENTUNITS_OBJECT)) { Fixed v; v = all_atts.x ? all_atts.x->value : INT2FIX(-10); bounds.x += gf_mulfix(v, bounds.width); v = all_atts.y ? all_atts.y->value : INT2FIX(-10); bounds.y += gf_mulfix(v, bounds.height); v = all_atts.width ? all_atts.width->value : INT2FIX(120); bounds.width = gf_mulfix(v, bounds.width); v = all_atts.height ? all_atts.height->value : INT2FIX(120); bounds.height = gf_mulfix(v, bounds.height); } else { bounds.x = all_atts.x ? all_atts.x->value : 0; bounds.y = all_atts.y ? all_atts.y->value : 0; bounds.width = all_atts.width ? all_atts.x->value : bounds.width; bounds.height = all_atts.x ? all_atts.x->value : 120; } gf_mx2d_apply_rect(&backup, &bounds); svg_filter_apply(filter, &st->txh, &bounds); #ifndef GPAC_DISABLE_3D if (tr_state->visual->type_3d) { if (!st->drawable->mesh) { st->drawable->mesh = new_mesh(); mesh_from_path(st->drawable->mesh, st->drawable->path); } visual_3d_draw_from_context(tr_state->ctx, tr_state); ctx->drawable = NULL; return; } #endif /*we computed the texture in final screen coordinate, so use the identity matrix for the context*/ gf_mx2d_init(tr_state->transform); drawable_finalize_sort(ctx, tr_state, NULL); gf_mx2d_copy(tr_state->transform, backup); }
void visual_2d_texture_path_extended(GF_VisualManager *visual, GF_Path *path, GF_TextureHandler *txh, struct _drawable_context *ctx, GF_Rect *orig_bounds, GF_Matrix2D *ext_mx, GF_TraverseState *tr_state) { Fixed sS, sT; u32 tx_tile; GF_STENCIL tx_raster; GF_Matrix2D mx_texture; GF_Rect orig_rc; GF_Raster2D *raster; if (! visual->CheckAttached(visual) ) return; raster = visual->compositor->rasterizer; if (!txh) txh = ctx->aspect.fill_texture; if (!txh) return; if (!txh->tx_io) { gf_node_dirty_set(txh->owner, 0, 1); txh->needs_refresh=1; return; } /*this is gradient draw*/ if (txh->compute_gradient_matrix) { visual_2d_draw_gradient(visual, path, txh, ctx, tr_state, ext_mx, orig_bounds); return; } #ifndef GPAC_DISABLE_3D if (visual->compositor->hybrid_opengl) { visual_2d_texture_path_opengl_auto(visual, path, txh, ctx, orig_bounds, ext_mx, tr_state); return; } #endif if (txh->flags & GF_SR_TEXTURE_PRIVATE_MEDIA) { GF_Window src, dst; visual_2d_fill_path(visual, ctx, NULL, tr_state, 0); /*if texture not ready, update the size before computing output rectangles */ if (!txh->width || !txh->height) { gf_mo_get_visual_info(txh->stream, &txh->width, &txh->height, &txh->stride, &txh->pixel_ar, &txh->pixelformat, &txh->is_flipped); /*in case the node is an MPEG-4 bitmap, force stack rebuild at next frame */ gf_node_dirty_set(ctx->drawable->node, GF_SG_NODE_DIRTY, 1); } if (compositor_texture_rectangles(visual, txh, &ctx->bi->clip, &ctx->bi->unclip, &src, &dst, NULL, NULL)) { if (txh->stream && gf_mo_set_position(txh->stream, &src, &dst)) { gf_mo_get_visual_info(txh->stream, &txh->width, &txh->height, &txh->stride, &txh->pixel_ar, &txh->pixelformat, &txh->is_flipped); /*force dirty flag to get called again*/ gf_node_dirty_set(ctx->drawable->node, GF_SG_NODE_DIRTY, 1); gf_sc_next_frame_state(visual->compositor, GF_SC_DRAW_FRAME); } } return; } if (!gf_sc_texture_push_image(txh, 0, 1)) return; tx_raster = gf_sc_texture_get_stencil(txh); /*setup quality even for background (since quality concerns images)*/ visual_2d_set_options(visual->compositor, visual->raster_surface, ctx->flags & CTX_IS_TEXT, ctx->flags & CTX_NO_ANTIALIAS); /*get original bounds*/ if (orig_bounds) { orig_rc = *orig_bounds; } else { gf_path_get_bounds(path, &orig_rc); } /*get scaling ratio so that active texture view is stretched to original bounds (std 2D shape texture mapping in MPEG4)*/ sS = orig_rc.width / txh->width; sT = orig_rc.height / txh->height; gf_mx2d_init(mx_texture); gf_mx2d_add_scale(&mx_texture, sS, sT); #ifndef GPAC_DISABLE_VRML /*apply texture transform*/ if (ctx->flags & CTX_HAS_APPEARANCE) { GF_Matrix2D tex_trans; visual_2d_get_texture_transform(ctx->appear, txh, &tex_trans, (txh == ctx->aspect.fill_texture) ? 0 : 1, txh->width * sS, txh->height * sT); gf_mx2d_add_matrix(&mx_texture, &tex_trans); } #endif /*move to bottom-left corner of bounds */ gf_mx2d_add_translation(&mx_texture, (orig_rc.x), (orig_rc.y - orig_rc.height)); if (ext_mx) gf_mx2d_add_matrix(&mx_texture, ext_mx); /*move to final coordinate system (except background which is built directly in final coord system)*/ if (!(ctx->flags & CTX_IS_BACKGROUND) ) gf_mx2d_add_matrix(&mx_texture, &ctx->transform); /*set path transform*/ raster->stencil_set_matrix(tx_raster, &mx_texture); tx_tile = 0; if (txh->flags & GF_SR_TEXTURE_REPEAT_S) tx_tile |= GF_TEXTURE_REPEAT_S; if (txh->flags & GF_SR_TEXTURE_REPEAT_T) tx_tile |= GF_TEXTURE_REPEAT_T; if (ctx->flags & CTX_FLIPED_COORDS) tx_tile |= GF_TEXTURE_FLIP; raster->stencil_set_tiling(tx_raster, (GF_TextureTiling) tx_tile); if (!(ctx->flags & CTX_IS_BACKGROUND) ) { u8 a = GF_COL_A(ctx->aspect.fill_color); if (!a) a = GF_COL_A(ctx->aspect.line_color); /*texture alpha scale is the original material transparency, NOT the one after color transform*/ raster->stencil_set_alpha(tx_raster, a ); raster->stencil_set_color_matrix(tx_raster, ctx->col_mat); raster->surface_set_matrix(visual->raster_surface, &ctx->transform); } else { raster->surface_set_matrix(visual->raster_surface, NULL); } txh->flags |= GF_SR_TEXTURE_USED; /*push path & draw*/ raster->surface_set_path(visual->raster_surface, path); visual_2d_fill_path(visual, ctx, tx_raster, tr_state, 0); raster->surface_set_path(visual->raster_surface, NULL); ctx->flags |= CTX_PATH_FILLED; }