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vector: keep a shared reference to cached color table

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This commit is contained in:
subhransu mohanty 2019-05-31 09:40:08 +09:00 committed by Subhransu
parent e00ca32669
commit 710a4fd208
2 changed files with 17 additions and 17 deletions
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22
src/vector/vdrawhelper.cpp
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@ -59,18 +59,16 @@
class VGradientCache {
public:
struct CacheInfo : public VSpanData::Pinnable {
struct CacheInfo : public VColorTable {
inline CacheInfo(VGradientStops s) : stops(std::move(s)) {}
uint32_t buffer32[VGradient::colorTableSize];
VGradientStops stops;
bool alpha{true};
};
typedef std::unordered_multimap<uint64_t, std::shared_ptr<const CacheInfo>>
VGradientColorTableHash;
using VGradientColorTableHash = std::unordered_multimap<uint64_t, std::shared_ptr<const CacheInfo>>;
bool generateGradientColorTable(const VGradientStops &stops, float alpha,
uint32_t *colorTable, int size);
inline const std::shared_ptr<const CacheInfo> getBuffer(
inline const std::shared_ptr<const VColorTable> getBuffer(
const VGradient &gradient)
{
uint64_t hash_val = 0;
@ -748,9 +746,9 @@ void VSpanData::setup(const VBrush &brush, VPainter::CompositionMode /*mode*/,
break;
case VBrush::Type::LinearGradient: {
mType = VSpanData::Type::LinearGradient;
auto cacheInfo = VGradientCacheInstance.getBuffer(*brush.mGradient);
mGradient.mColorTable = cacheInfo->buffer32;
mGradient.mColorTableAlpha = cacheInfo->alpha;
mColorTable = VGradientCacheInstance.getBuffer(*brush.mGradient);
mGradient.mColorTable = mColorTable->buffer32;
mGradient.mColorTableAlpha = mColorTable->alpha;
mGradient.linear.x1 = brush.mGradient->linear.x1;
mGradient.linear.y1 = brush.mGradient->linear.y1;
mGradient.linear.x2 = brush.mGradient->linear.x2;
@ -761,9 +759,9 @@ void VSpanData::setup(const VBrush &brush, VPainter::CompositionMode /*mode*/,
}
case VBrush::Type::RadialGradient: {
mType = VSpanData::Type::RadialGradient;
auto cacheInfo = VGradientCacheInstance.getBuffer(*brush.mGradient);
mGradient.mColorTable = cacheInfo->buffer32;
mGradient.mColorTableAlpha = cacheInfo->alpha;
mColorTable = VGradientCacheInstance.getBuffer(*brush.mGradient);
mGradient.mColorTable = mColorTable->buffer32;
mGradient.mColorTableAlpha = mColorTable->alpha;
mGradient.radial.cx = brush.mGradient->radial.cx;
mGradient.radial.cy = brush.mGradient->radial.cy;
mGradient.radial.fx = brush.mGradient->radial.fx;

12
src/vector/vdrawhelper.h
View File

@ -138,11 +138,13 @@ struct VBitmapData
int const_alpha;
};
struct VColorTable
{
uint32_t buffer32[VGradient::colorTableSize];
bool alpha{true};
};
struct VSpanData {
class Pinnable {
protected:
~Pinnable() = default;
};
enum class Type { None, Solid, LinearGradient, RadialGradient, Texture };
void updateSpanFunc();
@ -174,7 +176,7 @@ struct VSpanData {
ProcessRleSpan mBlendFunc;
ProcessRleSpan mUnclippedBlendFunc;
VSpanData::Type mType;
std::shared_ptr<VSpanData::Pinnable> mCachedGradient;
std::shared_ptr<const VColorTable> mColorTable{nullptr};
VPoint mOffset; // offset to the subsurface
VSize mDrawableSize;// suburface size
union {