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lottie/builder: revise the render context for saving memory.

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Allocate repeater context only when it's valid.
This commit is contained in:
Hermet Park 2023-10-06 15:50:56 +09:00
parent 820547562c
commit e1f1b9656b
1 changed files with 46 additions and 41 deletions
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75
src/loaders/lottie/tvgLottieBuilder.cpp
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@ -34,14 +34,8 @@
/* Internal Class Implementation */
/************************************************************************/
struct RenderContext
struct RenderRepeater
{
Shape* propagator = nullptr;
Shape* merging = nullptr; //merging shapes if possible (if shapes have same properties)
LottieObject** begin = nullptr; //iteration entry point
float roundness = 0.0f;
struct {
int cnt;
float offset;
Point position;
@ -52,9 +46,16 @@ struct RenderContext
uint8_t endOpacity;
bool interpOpacity;
bool inorder;
bool valid = false;
} repeater;
};
struct RenderContext
{
Shape* propagator = nullptr;
Shape* merging = nullptr; //merging shapes if possible (if shapes have same properties)
LottieObject** begin = nullptr; //iteration entry point
RenderRepeater* repeater = nullptr;
float roundness = 0.0f;
bool fragmented = false; //context has been separated. allow adding visual properties(fill/stroking) if it is false.
RenderContext()
@ -65,12 +66,16 @@ struct RenderContext
~RenderContext()
{
delete(propagator);
delete(repeater);
}
RenderContext(const RenderContext& rhs)
{
propagator = static_cast<Shape*>(rhs.propagator->duplicate());
repeater = rhs.repeater;
if (rhs.repeater) {
repeater = new RenderRepeater();
*repeater = *rhs.repeater;
}
roundness = rhs.roundness;
fragmented = rhs.fragmented;
}
@ -311,26 +316,26 @@ static Shape* _draw(LottieGroup* parent, int32_t frameNo, RenderContext& ctx)
//OPTIMIZE: path?
static void _repeat(LottieGroup* parent, int32_t frameNo, unique_ptr<Shape> path, RenderContext& ctx)
{
auto& repeater = ctx.repeater;
auto repeater = ctx.repeater;
Array<Shape*> shapes;
shapes.reserve(repeater.cnt);
shapes.reserve(repeater->cnt);
for (int i = 0; i < repeater.cnt; ++i) {
auto multiplier = repeater.offset + static_cast<float>(i);
for (int i = 0; i < repeater->cnt; ++i) {
auto multiplier = repeater->offset + static_cast<float>(i);
auto shape = static_cast<Shape*>(ctx.propagator->duplicate());
P(shape)->rs.path = P(path.get())->rs.path;
auto opacity = repeater.interpOpacity ? mathLerp<uint8_t>(repeater.startOpacity, repeater.endOpacity, static_cast<float>(i + 1) / repeater.cnt) : repeater.startOpacity;
auto opacity = repeater->interpOpacity ? mathLerp<uint8_t>(repeater->startOpacity, repeater->endOpacity, static_cast<float>(i + 1) / repeater->cnt) : repeater->startOpacity;
shape->opacity(opacity);
Matrix m;
mathIdentity(&m);
mathTranslate(&m, repeater.position.x * multiplier + repeater.anchor.x, repeater.position.y * multiplier + repeater.anchor.y);
mathScale(&m, powf(repeater.scale.x * 0.01f, multiplier), powf(repeater.scale.y * 0.01f, multiplier));
mathRotate(&m, repeater.rotation * multiplier);
mathTranslateR(&m, -repeater.anchor.x, -repeater.anchor.y);
mathTranslate(&m, repeater->position.x * multiplier + repeater->anchor.x, repeater->position.y * multiplier + repeater->anchor.y);
mathScale(&m, powf(repeater->scale.x * 0.01f, multiplier), powf(repeater->scale.y * 0.01f, multiplier));
mathRotate(&m, repeater->rotation * multiplier);
mathTranslateR(&m, -repeater->anchor.x, -repeater->anchor.y);
auto pm = PP(shape)->transform();
shape->transform(pm ? mathMultiply(&m, pm) : m);
@ -344,7 +349,7 @@ static void _repeat(LottieGroup* parent, int32_t frameNo, unique_ptr<Shape> path
}
//push repeat shapes in order.
if (repeater.inorder) {
if (repeater->inorder) {
for (auto shape = shapes.data; shape < shapes.end(); ++shape) {
parent->scene->push(cast<Shape>(*shape));
}
@ -368,7 +373,7 @@ static void _updateRect(LottieGroup* parent, LottieRect* rect, int32_t frameNo,
if (roundness > size.y * 0.5f) roundness = size.y * 0.5f;
}
if (ctx.repeater.valid) {
if (ctx.repeater) {
auto path = Shape::gen();
path->appendRect(position.x - size.x * 0.5f, position.y - size.y * 0.5f, size.x, size.y, roundness, roundness);
_repeat(parent, frameNo, std::move(path), ctx);
@ -384,7 +389,7 @@ static void _updateEllipse(LottieGroup* parent, LottieEllipse* ellipse, int32_t
auto position = ellipse->position(frameNo);
auto size = ellipse->size(frameNo);
if (ctx.repeater.valid) {
if (ctx.repeater) {
auto path = Shape::gen();
path->appendCircle(position.x, position.y, size.x * 0.5f, size.y * 0.5f);
_repeat(parent, frameNo, std::move(path), ctx);
@ -397,7 +402,7 @@ static void _updateEllipse(LottieGroup* parent, LottieEllipse* ellipse, int32_t
static void _updatePath(LottieGroup* parent, LottiePath* path, int32_t frameNo, RenderContext& ctx)
{
if (ctx.repeater.valid) {
if (ctx.repeater) {
auto p = Shape::gen();
path->pathset(frameNo, P(p)->rs.path.cmds, P(p)->rs.path.pts);
_repeat(parent, frameNo, std::move(p), ctx);
@ -605,7 +610,7 @@ static void _updatePolystar(LottieGroup* parent, LottiePolyStar* star, int32_t f
auto identity = mathIdentity((const Matrix*)&matrix);
if (ctx.repeater.valid) {
if (ctx.repeater) {
auto p = Shape::gen();
if (star->type == LottiePolyStar::Star) _updateStar(parent, star, identity ? nullptr : &matrix, frameNo, p.get());
else _updatePolygon(parent, star, identity ? nullptr : &matrix, frameNo, p.get());
@ -667,17 +672,17 @@ static void _updateRoundedCorner(LottieRoundedCorner* roundedCorner, int32_t fra
static void _updateRepeater(LottieRepeater* repeater, int32_t frameNo, RenderContext& ctx)
{
ctx.repeater.cnt = static_cast<int>(repeater->copies(frameNo));
ctx.repeater.offset = repeater->offset(frameNo);
ctx.repeater.position = repeater->position(frameNo);
ctx.repeater.anchor = repeater->anchor(frameNo);
ctx.repeater.scale = repeater->scale(frameNo);
ctx.repeater.rotation = repeater->rotation(frameNo);
ctx.repeater.startOpacity = repeater->startOpacity(frameNo);
ctx.repeater.endOpacity = repeater->endOpacity(frameNo);
ctx.repeater.inorder = repeater->inorder;
ctx.repeater.interpOpacity = (ctx.repeater.startOpacity == ctx.repeater.endOpacity) ? false : true;
ctx.repeater.valid = true;
if (!ctx.repeater) ctx.repeater = new RenderRepeater();
ctx.repeater->cnt = static_cast<int>(repeater->copies(frameNo));
ctx.repeater->offset = repeater->offset(frameNo);
ctx.repeater->position = repeater->position(frameNo);
ctx.repeater->anchor = repeater->anchor(frameNo);
ctx.repeater->scale = repeater->scale(frameNo);
ctx.repeater->rotation = repeater->rotation(frameNo);
ctx.repeater->startOpacity = repeater->startOpacity(frameNo);
ctx.repeater->endOpacity = repeater->endOpacity(frameNo);
ctx.repeater->inorder = repeater->inorder;
ctx.repeater->interpOpacity = (ctx.repeater->startOpacity == ctx.repeater->endOpacity) ? false : true;
ctx.merging = nullptr;
}