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#pragma once
#include "../../helpers/math/Math.hpp"
#include "../../helpers/time/Time.hpp"
#include "../../managers/eventLoop/EventLoopTimer.hpp"
#include "../WaylandProtocol.hpp"
#include "./Buffer.hpp"
namespace Render {
class ITexture;
}
class CDRMSyncPointState;
class CWLCallbackResource;
enum eLockReason : uint8_t {
LOCK_REASON_NONE = 0,
LOCK_REASON_FENCE = 1 << 0,
LOCK_REASON_FIFO = 1 << 1,
LOCK_REASON_TIMER = 1 << 2
};
inline eLockReason operator|(eLockReason a, eLockReason b) {
return sc<eLockReason>(sc<uint8_t>(a) | sc<uint8_t>(b));
}
inline eLockReason operator&(eLockReason a, eLockReason b) {
return sc<eLockReason>(sc<uint8_t>(a) & sc<uint8_t>(b));
}
inline eLockReason& operator|=(eLockReason& a, eLockReason b) {
a = a | b;
return a;
}
inline eLockReason& operator&=(eLockReason& a, eLockReason b) {
a = a & b;
return a;
}
inline eLockReason operator~(eLockReason a) {
return sc<eLockReason>(~sc<uint8_t>(a));
}
struct SSurfaceState {
union {
uint16_t all = 0;
struct {
bool buffer : 1;
bool damage : 1;
bool opaque : 1;
bool input : 1;
bool transform : 1;
bool scale : 1;
bool offset : 1;
bool viewport : 1;
bool acquire : 1;
bool acked : 1;
bool frame : 1;
bool fifo : 1;
} bits;
} updated;
bool rejected = false;
// initial values, copied from protocol text
CHLBufferReference buffer = {}; // The initial surface contents are void
CRegion damage, bufferDamage; // The initial value for pending damage is empty
CRegion opaque; // The initial value for an opaque region is empty
CRegion input = CBox{{}, {INT32_MAX - 1, INT32_MAX - 1}}; // The initial value for an input region is infinite
wl_output_transform transform = WL_OUTPUT_TRANSFORM_NORMAL; // A newly created surface has its buffer transformation set to normal
int scale = 1; // A newly created surface has its buffer scale set to 1
// these don't have well defined initial values in the protocol, but these work
Vector2D size, bufferSize;
Vector2D offset;
// for xdg_shell resizing
Vector2D ackedSize;
// for wl_surface::frame callbacks.
std::vector<SP<CWLCallbackResource>> callbacks;
// viewporter protocol surface state
struct {
bool hasDestination = false;
bool hasSource = false;
Vector2D destination;
CBox source;
} viewport;
Vector2D sourceSize();
// drm syncobj protocol surface state
CDRMSyncPointState acquire;
eLockReason lockMask = LOCK_REASON_NONE;
// texture of surface content, used for rendering
SP<Render::ITexture> texture;
void updateSynchronousTexture(SP<Render::ITexture> lastTexture);
// fifo
bool barrierSet = false;
bool surfaceLocked = false;
bool fifoScheduled = false;
// commit timing
std::optional<Time::steady_dur> pendingTimeout;
SP<CEventLoopTimer> timer;
// helpers
CRegion accumulateBufferDamage(); // transforms state.damage and merges it into state.bufferDamage
void updateFrom(SSurfaceState& ref); // updates this state based on a reference state.
void reset(); // resets pending state after commit
};
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