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[perf] accelerate Kitty and ANSI rendering

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This commit is contained in:
dijunkun
2026-10-31 00:36:27 +08:00
parent cd5e1c95d7
commit e2cd4959c6
12 changed files with 760 additions and 112 deletions
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libs/terminal/include/terminal_renderer.h
+20 -2
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@@ -63,10 +63,27 @@ std::optional<std::pair<float, float>> MapPointer(const Grid &, int column,
int row);
std::vector<std::string> Lines(const Grid &);
std::string Difference(const Grid &, const std::optional<Grid> &previous);
std::string Kitty(const DecodedFrame &, const Viewport &);
struct PixelFrame {
int width = 0, height = 0;
std::vector<uint8_t> rgb;
};
PixelFrame KittyPixels(const DecodedFrame &, const Viewport &);
std::string KittySharedUpload(const std::string &name, int width, int height,
bool alternate_buffer, bool query = false);
std::string KittyPresent(const Viewport &, bool alternate_buffer);
struct KittyAck {
uint32_t image_id = 0;
bool ok = false;
};
std::optional<KittyAck> ParseKittyAck(const std::string &);
// Toggle alternate_buffer only after the previous output has been written in
// full. Upload to the other image ID before replacing the visible placement.
std::string Kitty(const DecodedFrame &, const Viewport &,
bool alternate_buffer = false);
inline constexpr char kKittyQuery[] =
"\033_Gi=31,s=1,v=1,a=q,t=d,f=24;AAAA\033\\";
inline constexpr char kKittyDelete[] = "\033_Ga=d,d=I,i=31,q=2\033\\";
inline constexpr char kKittyDelete[] =
"\033_Ga=d,d=I,i=31,q=2\033\\\033_Ga=d,d=I,i=32,q=2\033\\";
bool KittyReply(const std::string &response);
struct StatusBar {
std::string progress, compact_progress, error, view, network;
@@ -89,6 +106,7 @@ public:
uint64_t mouse_legacy_reports = 0, mouse_forwarded = 0;
uint64_t mouse_send_failures = 0;
TerminalMetrics terminal_metrics;
std::optional<KittyAck> kitty_ack;
private:
std::string pending_;