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path: root/servers/rendering/renderer_canvas_cull.cpp
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Diffstat (limited to 'servers/rendering/renderer_canvas_cull.cpp')
-rw-r--r--servers/rendering/renderer_canvas_cull.cpp225
1 files changed, 192 insertions, 33 deletions
diff --git a/servers/rendering/renderer_canvas_cull.cpp b/servers/rendering/renderer_canvas_cull.cpp
index f38d800aa7..8ad2d42e5f 100644
--- a/servers/rendering/renderer_canvas_cull.cpp
+++ b/servers/rendering/renderer_canvas_cull.cpp
@@ -602,42 +602,119 @@ void RendererCanvasCull::canvas_item_add_polyline(RID p_item, const Vector<Point
Color *colors_ptr = colors.ptrw();
if (p_antialiased) {
+ float border_size = 2.0;
+ if (p_width < border_size) {
+ border_size = p_width;
+ }
Color color2 = Color(1, 1, 1, 0);
- PackedColorArray colors_top;
- PackedVector2Array points_top;
+ PackedColorArray colors_begin;
+ PackedVector2Array points_begin;
+
+ colors_begin.resize(4);
+ points_begin.resize(4);
+
+ PackedColorArray colors_begin_left_corner;
+ PackedVector2Array points_begin_left_corner;
+
+ colors_begin_left_corner.resize(4);
+ points_begin_left_corner.resize(4);
+
+ PackedColorArray colors_begin_right_corner;
+ PackedVector2Array points_begin_right_corner;
+
+ colors_begin_right_corner.resize(4);
+ points_begin_right_corner.resize(4);
+
+ PackedColorArray colors_end;
+ PackedVector2Array points_end;
+
+ colors_end.resize(4);
+ points_end.resize(4);
+
+ PackedColorArray colors_end_left_corner;
+ PackedVector2Array points_end_left_corner;
+
+ colors_end_left_corner.resize(4);
+ points_end_left_corner.resize(4);
+
+ PackedColorArray colors_end_right_corner;
+ PackedVector2Array points_end_right_corner;
+
+ colors_end_right_corner.resize(4);
+ points_end_right_corner.resize(4);
+
+ PackedColorArray colors_left;
+ PackedVector2Array points_left;
+
+ colors_left.resize(pc2);
+ points_left.resize(pc2);
+
+ PackedColorArray colors_right;
+ PackedVector2Array points_right;
- colors_top.resize(pc2);
- points_top.resize(pc2);
+ colors_right.resize(pc2);
+ points_right.resize(pc2);
- PackedColorArray colors_bottom;
- PackedVector2Array points_bottom;
+ Item::CommandPolygon *pline_begin = canvas_item->alloc_command<Item::CommandPolygon>();
+ ERR_FAIL_COND(!pline_begin);
- colors_bottom.resize(pc2);
- points_bottom.resize(pc2);
+ Item::CommandPolygon *pline_begin_left_corner = canvas_item->alloc_command<Item::CommandPolygon>();
+ ERR_FAIL_COND(!pline_begin_left_corner);
- Item::CommandPolygon *pline_top = canvas_item->alloc_command<Item::CommandPolygon>();
- ERR_FAIL_COND(!pline_top);
+ Item::CommandPolygon *pline_begin_right_corner = canvas_item->alloc_command<Item::CommandPolygon>();
+ ERR_FAIL_COND(!pline_begin_right_corner);
- Item::CommandPolygon *pline_bottom = canvas_item->alloc_command<Item::CommandPolygon>();
- ERR_FAIL_COND(!pline_bottom);
+ Item::CommandPolygon *pline_end = canvas_item->alloc_command<Item::CommandPolygon>();
+ ERR_FAIL_COND(!pline_end);
- //make three trianglestrip's for drawing the antialiased line...
+ Item::CommandPolygon *pline_end_left_corner = canvas_item->alloc_command<Item::CommandPolygon>();
+ ERR_FAIL_COND(!pline_end_left_corner);
- Vector2 *points_top_ptr = points_top.ptrw();
- Vector2 *points_bottom_ptr = points_bottom.ptrw();
+ Item::CommandPolygon *pline_end_right_corner = canvas_item->alloc_command<Item::CommandPolygon>();
+ ERR_FAIL_COND(!pline_end_right_corner);
- Color *colors_top_ptr = colors_top.ptrw();
- Color *colors_bottom_ptr = colors_bottom.ptrw();
+ Item::CommandPolygon *pline_left = canvas_item->alloc_command<Item::CommandPolygon>();
+ ERR_FAIL_COND(!pline_left);
+
+ Item::CommandPolygon *pline_right = canvas_item->alloc_command<Item::CommandPolygon>();
+ ERR_FAIL_COND(!pline_right);
+
+ // Makes nine triangle strips for drawing the antialiased line.
+
+ Vector2 *points_begin_ptr = points_begin.ptrw();
+ Vector2 *points_begin_left_corner_ptr = points_begin_left_corner.ptrw();
+ Vector2 *points_begin_right_corner_ptr = points_begin_right_corner.ptrw();
+ Vector2 *points_end_ptr = points_end.ptrw();
+ Vector2 *points_end_left_corner_ptr = points_end_left_corner.ptrw();
+ Vector2 *points_end_right_corner_ptr = points_end_right_corner.ptrw();
+ Vector2 *points_left_ptr = points_left.ptrw();
+ Vector2 *points_right_ptr = points_right.ptrw();
+
+ Color *colors_begin_ptr = colors_begin.ptrw();
+ Color *colors_begin_left_corner_ptr = colors_begin_left_corner.ptrw();
+ Color *colors_begin_right_corner_ptr = colors_begin_right_corner.ptrw();
+ Color *colors_end_ptr = colors_end.ptrw();
+ Color *colors_end_left_corner_ptr = colors_end_left_corner.ptrw();
+ Color *colors_end_right_corner_ptr = colors_end_right_corner.ptrw();
+ Color *colors_left_ptr = colors_left.ptrw();
+ Color *colors_right_ptr = colors_right.ptrw();
for (int i = 0, j = 0; i < pc; i++, j += 2) {
+ bool is_begin = i == 0;
+ bool is_end = i == pc - 1;
+
Vector2 t;
- if (i == pc - 1) {
+ Vector2 end_border;
+ Vector2 begin_border;
+ if (is_end) {
t = prev_t;
+ end_border = (p_points[i] - p_points[i - 1]).normalized() * border_size;
} else {
t = (p_points[i + 1] - p_points[i]).normalized().orthogonal();
- if (i == 0) {
+ if (is_begin) {
prev_t = t;
+ begin_border = (p_points[i] - p_points[i + 1]).normalized() * border_size;
}
}
@@ -645,17 +722,17 @@ void RendererCanvasCull::canvas_item_add_polyline(RID p_item, const Vector<Point
Vector2 dir = (t + prev_t).normalized();
Vector2 tangent = dir * p_width * 0.5;
- Vector2 border = dir * 2.0;
+ Vector2 border = dir * border_size;
Vector2 pos = p_points[i];
points_ptr[j] = pos + tangent;
points_ptr[j2] = pos - tangent;
- points_top_ptr[j] = pos + tangent + border;
- points_top_ptr[j2] = pos + tangent;
+ points_left_ptr[j] = pos + tangent + border;
+ points_left_ptr[j2] = pos + tangent;
- points_bottom_ptr[j] = pos - tangent;
- points_bottom_ptr[j2] = pos - tangent - border;
+ points_right_ptr[j] = pos - tangent;
+ points_right_ptr[j2] = pos - tangent - border;
if (i < p_colors.size()) {
color = p_colors[i];
@@ -665,22 +742,104 @@ void RendererCanvasCull::canvas_item_add_polyline(RID p_item, const Vector<Point
colors_ptr[j] = color;
colors_ptr[j2] = color;
- colors_top_ptr[j] = color2;
- colors_top_ptr[j2] = color;
+ colors_left_ptr[j] = color2;
+ colors_left_ptr[j2] = color;
+
+ colors_right_ptr[j] = color;
+ colors_right_ptr[j2] = color2;
+
+ if (is_begin) {
+ points_begin_ptr[0] = pos + tangent + begin_border;
+ points_begin_ptr[1] = pos - tangent + begin_border;
+ points_begin_ptr[2] = pos + tangent;
+ points_begin_ptr[3] = pos - tangent;
+
+ colors_begin_ptr[0] = color2;
+ colors_begin_ptr[1] = color2;
+ colors_begin_ptr[2] = color;
+ colors_begin_ptr[3] = color;
+
+ points_begin_left_corner_ptr[0] = pos - tangent - border;
+ points_begin_left_corner_ptr[1] = pos - tangent + begin_border - border;
+ points_begin_left_corner_ptr[2] = pos - tangent;
+ points_begin_left_corner_ptr[3] = pos - tangent + begin_border;
+
+ colors_begin_left_corner_ptr[0] = color2;
+ colors_begin_left_corner_ptr[1] = color2;
+ colors_begin_left_corner_ptr[2] = color;
+ colors_begin_left_corner_ptr[3] = color2;
+
+ points_begin_right_corner_ptr[0] = pos + tangent + begin_border;
+ points_begin_right_corner_ptr[1] = pos + tangent + begin_border + border;
+ points_begin_right_corner_ptr[2] = pos + tangent;
+ points_begin_right_corner_ptr[3] = pos + tangent + border;
+
+ colors_begin_right_corner_ptr[0] = color2;
+ colors_begin_right_corner_ptr[1] = color2;
+ colors_begin_right_corner_ptr[2] = color;
+ colors_begin_right_corner_ptr[3] = color2;
+ }
- colors_bottom_ptr[j] = color;
- colors_bottom_ptr[j2] = color2;
+ if (is_end) {
+ points_end_ptr[0] = pos + tangent + end_border;
+ points_end_ptr[1] = pos - tangent + end_border;
+ points_end_ptr[2] = pos + tangent;
+ points_end_ptr[3] = pos - tangent;
+
+ colors_end_ptr[0] = color2;
+ colors_end_ptr[1] = color2;
+ colors_end_ptr[2] = color;
+ colors_end_ptr[3] = color;
+
+ points_end_left_corner_ptr[0] = pos - tangent - border;
+ points_end_left_corner_ptr[1] = pos - tangent + end_border - border;
+ points_end_left_corner_ptr[2] = pos - tangent;
+ points_end_left_corner_ptr[3] = pos - tangent + end_border;
+
+ colors_end_left_corner_ptr[0] = color2;
+ colors_end_left_corner_ptr[1] = color2;
+ colors_end_left_corner_ptr[2] = color;
+ colors_end_left_corner_ptr[3] = color2;
+
+ points_end_right_corner_ptr[0] = pos + tangent + end_border;
+ points_end_right_corner_ptr[1] = pos + tangent + end_border + border;
+ points_end_right_corner_ptr[2] = pos + tangent;
+ points_end_right_corner_ptr[3] = pos + tangent + border;
+
+ colors_end_right_corner_ptr[0] = color2;
+ colors_end_right_corner_ptr[1] = color2;
+ colors_end_right_corner_ptr[2] = color;
+ colors_end_right_corner_ptr[3] = color2;
+ }
prev_t = t;
}
- pline_top->primitive = RS::PRIMITIVE_TRIANGLE_STRIP;
- pline_top->polygon.create(indices, points_top, colors_top);
+ pline_begin->primitive = RS::PRIMITIVE_TRIANGLE_STRIP;
+ pline_begin->polygon.create(indices, points_begin, colors_begin);
+
+ pline_begin_left_corner->primitive = RS::PRIMITIVE_TRIANGLE_STRIP;
+ pline_begin_left_corner->polygon.create(indices, points_begin_left_corner, colors_begin_left_corner);
+
+ pline_begin_right_corner->primitive = RS::PRIMITIVE_TRIANGLE_STRIP;
+ pline_begin_right_corner->polygon.create(indices, points_begin_right_corner, colors_begin_right_corner);
+
+ pline_end->primitive = RS::PRIMITIVE_TRIANGLE_STRIP;
+ pline_end->polygon.create(indices, points_end, colors_end);
+
+ pline_end_left_corner->primitive = RS::PRIMITIVE_TRIANGLE_STRIP;
+ pline_end_left_corner->polygon.create(indices, points_end_left_corner, colors_end_left_corner);
+
+ pline_end_right_corner->primitive = RS::PRIMITIVE_TRIANGLE_STRIP;
+ pline_end_right_corner->polygon.create(indices, points_end_right_corner, colors_end_right_corner);
+
+ pline_left->primitive = RS::PRIMITIVE_TRIANGLE_STRIP;
+ pline_left->polygon.create(indices, points_left, colors_left);
- pline_bottom->primitive = RS::PRIMITIVE_TRIANGLE_STRIP;
- pline_bottom->polygon.create(indices, points_bottom, colors_bottom);
+ pline_right->primitive = RS::PRIMITIVE_TRIANGLE_STRIP;
+ pline_right->polygon.create(indices, points_right, colors_right);
} else {
- //make a trianglestrip for drawing the line...
+ // Makes a single triangle strip for drawing the line.
for (int i = 0, j = 0; i < pc; i++, j += 2) {
Vector2 t;