static void ILS2D_Draw(GF_Node *node, GF_TraverseState *tr_state)
{
GF_Path *path;
SFVec2f *pts;
SFColor col;
Fixed alpha;
u32 i, count, col_ind, ind, end_at;
u32 linear[2], *colors;
SFVec2f start, end;
u32 j, num_col;
GF_STENCIL grad;
GF_Raster2D *raster;
DrawableContext *ctx = tr_state->ctx;
M_IndexedLineSet2D *ils2D = (M_IndexedLineSet2D *)node;
M_Coordinate2D *coord = (M_Coordinate2D*) ils2D->coord;
M_Color *color = (M_Color *) ils2D->color;
end.x = end.y = 0;
if (!coord->point.count) return;
if (! ils2D->color) {
/*no texturing*/
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state);
return;
}
alpha = INT2FIX(GF_COL_A(ctx->aspect.line_color)) / 255;
pts = coord->point.vals;
if (!ils2D->colorPerVertex || (color->color.count<2) ) {
count = 0;
end_at = ils2D->coordIndex.count;
if (!end_at) end_at = coord->point.count;
ind = ils2D->coordIndex.count ? ils2D->coordIndex.vals[0] : 0;
i=1;
path = gf_path_new();
gf_path_add_move_to(path, pts[ind].x, pts[ind].y);
for (; i<=end_at; i++) {
if ((i==end_at) || (ils2D->coordIndex.count && ils2D->coordIndex.vals[i] == -1)) {
/*draw current*/
col_ind = (ils2D->colorIndex.count && (ils2D->colorIndex.vals[count]>=0) ) ? (u32) ils2D->colorIndex.vals[count] : count;
if (col_ind>=color->color.count) col_ind=color->color.count-1;
col = color->color.vals[col_ind];
ctx->aspect.line_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
visual_2d_draw_path(tr_state->visual, path, ctx, NULL, NULL, tr_state);
i++;
if (i>=end_at) break;
gf_path_reset(path);
ind = (ils2D->coordIndex.count && (ils2D->coordIndex.vals[i]>=0)) ? (u32) ils2D->coordIndex.vals[i] : i;
gf_path_add_move_to(path, pts[ind].x, pts[ind].y);
if (ils2D->coordIndex.count) count++;
continue;
} else {
ind = (ils2D->coordIndex.count && (ils2D->coordIndex.vals[i]>=0) ) ? (u32) ils2D->coordIndex.vals[i] : i;
gf_path_add_line_to(path, pts[ind].x, pts[ind].y);
}
}
gf_path_del(path);
return;
}
raster = NULL;
end_at = ils2D->coordIndex.count;
if (!end_at) end_at = coord->point.count;
count = 0;
col_ind = 0;
ind = 0;
i=0;
path = gf_path_new();
while (1) {
gf_path_reset(path);
ind = (ils2D->coordIndex.count && (ils2D->coordIndex.vals[i]>=0)) ? (u32) ils2D->coordIndex.vals[i] : i;
start = pts[ind];
num_col = 1;
i++;
gf_path_add_move_to(path, start.x, start.y);
if (ils2D->coordIndex.count) {
while (ils2D->coordIndex.vals[i] != -1) {
end = pts[ils2D->coordIndex.vals[i]];
gf_path_add_line_to(path, end.x, end.y);
i++;
num_col++;
if (i >= ils2D->coordIndex.count) break;
}
} else {
while (i<end_at) {
end = pts[i];
gf_path_add_line_to(path, end.x, end.y);
i++;
num_col++;
}
}
raster = tr_state->visual->compositor->rasterizer;
/*use linear gradient*/
if (num_col==2) {
Fixed pos[2];
grad = raster->stencil_new(raster, GF_STENCIL_LINEAR_GRADIENT);
if (ils2D->colorIndex.count) {
col = color->color.vals[ils2D->colorIndex.vals[col_ind]];
linear[0] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
col = color->color.vals[ils2D->colorIndex.vals[col_ind+1]];
linear[1] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
} else if (ils2D->coordIndex.count) {
col = color->color.vals[ils2D->coordIndex.vals[col_ind]];
linear[0] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
col = color->color.vals[ils2D->coordIndex.vals[col_ind+1]];
linear[1] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
} else {
col = color->color.vals[col_ind];
linear[0] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
col = color->color.vals[col_ind+1];
linear[1] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
}
pos[0] = 0;
pos[1] = FIX_ONE;
raster->stencil_set_linear_gradient(grad, start.x, start.y, end.x, end.y);
raster->stencil_set_gradient_interpolation(grad, pos, linear, 2);
} else {
grad = raster->stencil_new(raster, GF_STENCIL_VERTEX_GRADIENT);
if (grad) {
raster->stencil_set_vertex_path(grad, path);
colors = (u32*)gf_malloc(sizeof(u32) * num_col);
for (j=0; j<num_col; j++) {
if (ils2D->colorIndex.count>0) {
col = color->color.vals[ils2D->colorIndex.vals[col_ind+j]];
} else if (ils2D->coordIndex.count) {
col = color->color.vals[ils2D->coordIndex.vals[col_ind+j]];
} else {
col = color->color.vals[col_ind+j];
}
colors[j] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
}
raster->stencil_set_vertex_colors(grad, colors, num_col);
gf_free(colors);
}
}
raster->stencil_set_matrix(grad, &ctx->transform);
visual_2d_draw_path(tr_state->visual, path, ctx, NULL, grad, tr_state);
if (grad) raster->stencil_delete(grad);
i ++;
col_ind += num_col + 1;
if (i >= ils2D->coordIndex.count) break;
ctx->flags &= ~CTX_PATH_STROKE;
}
gf_path_del(path);
}
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"));
}
static void IFS2D_Draw(GF_Node *node, GF_TraverseState *tr_state)
{
u32 i, count, ci_count;
u32 j, ind_col, num_col;
SFVec2f center, end;
SFColor col_cen;
GF_STENCIL grad;
u32 *colors;
GF_Path *path;
SFVec2f start;
SFVec2f *pts;
SFColor col;
Fixed alpha;
GF_Raster2D *raster;
DrawableContext *ctx = tr_state->ctx;
M_IndexedFaceSet2D *ifs2D = (M_IndexedFaceSet2D *)node;
M_Coordinate2D *coord = (M_Coordinate2D*) ifs2D->coord;
M_Color *color = (M_Color *) ifs2D->color;
col.red = col.green = col.blue = 0;
/*simple case, no color specified*/
if (!ifs2D->color) {
visual_2d_texture_path(tr_state->visual, ctx->drawable->path, ctx, tr_state);
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state);
return;
}
/*if default face use first color*/
ci_count = ifs2D->coordIndex.count;
pts = coord->point.vals;
if (ci_count == 0) {
col = (ifs2D->colorIndex.count > 0) ? color->color.vals[ifs2D->colorIndex.vals[0]] : color->color.vals[0];
alpha = INT2FIX(GF_COL_A(ctx->aspect.fill_color)) / 255;
if (!alpha || !ctx->aspect.pen_props.width) {
alpha = INT2FIX(GF_COL_A(ctx->aspect.line_color)) / 255;
ctx->aspect.line_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
} else {
ctx->aspect.fill_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
}
visual_2d_texture_path(tr_state->visual, ctx->drawable->path, ctx, tr_state);
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state);
return;
}
/*we have color per faces so we need N path :(*/
if (! ifs2D->colorPerVertex) {
path = gf_path_new();
count = 0;
i = 0;
while (1) {
gf_path_reset(path);
start = pts[ifs2D->coordIndex.vals[i]];
gf_path_add_move_to(path, start.x, start.y);
i++;
while (ifs2D->coordIndex.vals[i] != -1) {
start = pts[ifs2D->coordIndex.vals[i]];
gf_path_add_line_to(path, start.x, start.y);
i++;
if (i >= ci_count) break;
}
/*close in ALL cases because even if the start/end points are the same the line join needs to be present*/
gf_path_close(path);
col = (ifs2D->colorIndex.count > 0) ? color->color.vals[ifs2D->colorIndex.vals[count]] : color->color.vals[count];
alpha = INT2FIX(GF_COL_A(ctx->aspect.fill_color)) / 255;
if (!alpha) {
alpha = INT2FIX(GF_COL_A(ctx->aspect.line_color)) / 255;
ctx->aspect.line_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
} else {
ctx->aspect.fill_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
}
visual_2d_texture_path(tr_state->visual, path, ctx, tr_state);
visual_2d_draw_path(tr_state->visual, path, ctx, NULL, NULL, tr_state);
count++;
i++;
if (i >= ci_count) break;
ctx->flags &= ~CTX_PATH_FILLED;
ctx->flags &= ~CTX_PATH_STROKE;
}
gf_path_del(path);
return;
}
/*final case, color per vertex means gradient fill/strike*/
raster = tr_state->visual->compositor->rasterizer;
grad = raster->stencil_new(raster, GF_STENCIL_VERTEX_GRADIENT);
/*not supported, fill default*/
if (!grad) {
visual_2d_texture_path(tr_state->visual, ctx->drawable->path, ctx, tr_state);
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state);
return;
}
path = gf_path_new();
ind_col = 0;
i = 0;
while (1) {
gf_path_reset(path);
start = pts[ifs2D->coordIndex.vals[i]];
center = start;
gf_path_add_move_to(path, start.x, start.y);
num_col = 1;
i+=1;
while (ifs2D->coordIndex.vals[i] != -1) {
end = pts[ifs2D->coordIndex.vals[i]];
gf_path_add_line_to(path, end.x, end.y);
i++;
center.x += end.x;
center.y += end.y;
num_col ++;
if (i >= ci_count) break;
}
gf_path_close(path);
num_col++;
alpha = INT2FIX(GF_COL_A(ctx->aspect.fill_color) ) / 255;
colors = (u32*)gf_malloc(sizeof(u32) * num_col);
col_cen.blue = col_cen.red = col_cen.green = 0;
for (j=0; j<num_col-1; j++) {
if (ifs2D->colorIndex.count > ind_col + j) {
col = color->color.vals[ifs2D->colorIndex.vals[ind_col + j]];
} else if (ci_count > ind_col + j) {
col = color->color.vals[ifs2D->coordIndex.vals[ind_col + j]];
}
colors[j] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
col_cen.blue += col.blue;
col_cen.green += col.green;
col_cen.red += col.red;
}
colors[num_col-1] = colors[0];
if (ifs2D->colorIndex.count > ind_col) {
col = color->color.vals[ifs2D->colorIndex.vals[ind_col]];
} else if (ci_count > ind_col) {
col = color->color.vals[ifs2D->coordIndex.vals[ind_col]];
}
col_cen.blue += col.blue;
col_cen.green += col.green;
col_cen.red += col.red;
raster->stencil_set_vertex_path(grad, path);
raster->stencil_set_vertex_colors(grad, colors, num_col);
gf_free(colors);
col_cen.blue /= num_col;
col_cen.green /= num_col;
col_cen.red /= num_col;
center.x /= num_col;
center.y /= num_col;
raster->stencil_set_vertex_center(grad, center.x, center.y, GF_COL_ARGB_FIXED(alpha, col_cen.red, col_cen.green, col_cen.blue) );
raster->stencil_set_matrix(grad, &ctx->transform);
/*draw*/
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, grad, grad, tr_state);
raster->stencil_delete(grad);
//goto next point
i++;
ind_col += num_col + 1;
if (i >= ci_count) break;
grad = raster->stencil_new(raster, GF_STENCIL_VERTEX_GRADIENT);
ctx->flags &= ~CTX_PATH_FILLED;
ctx->flags &= ~CTX_PATH_STROKE;
}
gf_path_del(path);
}
