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sw_engine: fix a regression bug.

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this matrix data is volatile since it's coming from stack memory.
thus engine should record its own memory space for keeping it.

Change-Id: I664dd56412f4d236ad04c312220c67da226274e5
This commit is contained in:
Hermet Park 2020-06-24 21:00:43 +09:00
parent 28485d4b9c
commit ad5f147c74
2 changed files with 10 additions and 5 deletions
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13
src/lib/sw_engine/tvgSwRenderer.cpp
View file

@ -32,7 +32,7 @@ namespace tvg {
SwShape shape;
const Shape* sdata;
SwSize clip;
const Matrix* transform;
Matrix* transform;
RenderUpdateFlag flags;
future<void> progress;
};
@ -139,6 +139,7 @@ bool SwRenderer::dispose(const Shape& sdata, void *data)
if (!task) return true;
if (task->progress.valid()) task->progress.get();
shapeFree(task->shape);
if (task->transform) free(task->transform);
free(task);
return true;
}
@ -158,8 +159,14 @@ void* SwRenderer::prepare(const Shape& sdata, void* data, const RenderTransform*
task->sdata = &sdata;
task->clip = {static_cast<SwCoord>(surface.w), static_cast<SwCoord>(surface.h)};
if (transform) task->transform = &transform->m;
else task->transform = nullptr;
if (transform) {
if (!task->transform) task->transform = static_cast<Matrix*>(malloc(sizeof(Matrix)));
assert(task->transform);
*task->transform = transform->m;
} else {
if (task->transform) free(task->transform);
task->transform = nullptr;
}
task->flags = flags;

2
src/lib/sw_engine/tvgSwShape.cpp
View file

@ -201,7 +201,6 @@ static bool _updateBBox(SwOutline* outline, SwBBox& bbox)
++pt;
for(uint32_t i = 1; i < outline->ptsCnt; ++i, ++pt) {
assert(pt);
if (xMin > pt->x) xMin = pt->x;
if (xMax < pt->x) xMax = pt->x;
if (yMin > pt->y) yMin = pt->y;
@ -567,7 +566,6 @@ void shapeFree(SwShape& shape)
{
shapeDelOutline(shape);
rleFree(shape.rle);
shapeDelFill(shape);
if (shape.stroke) {