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[client] wayland: implement HDR support

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This commit is contained in:
Geoffrey McRae
2026-07-15 19:48:31 +10:00
parent 92d0383fd7
commit e2f6de77e7
16 changed files with 623 additions and 30 deletions
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57
client/displayservers/Wayland/wayland.h
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@@ -49,6 +49,7 @@
#include "wayland-xdg-activation-v1-client-protocol.h"
#include "wayland-fractional-scale-v1-client-protocol.h"
#include "wayland-content-type-v1-client-protocol.h"
#include "wayland-color-management-v1-client-protocol.h"
#include "scale.h"
@@ -120,7 +121,8 @@ struct WaylandDSState
#ifdef ENABLE_OPENGL
EGLDisplay glDisplay;
EGLConfig glConfig;
EGLConfig glConfig; // primary config (best bit depth probed)
EGLConfig glConfigSDR; // fallback 8-bit SDR config
EGLSurface glSurface;
#endif
@@ -180,6 +182,41 @@ struct WaylandDSState
struct wp_content_type_manager_v1 * contentTypeManager;
struct wp_content_type_v1 * contentType;
// Color management (HDR)
struct wp_color_manager_v1 * colorManager;
struct wp_color_management_surface_v1 * colorSurface;
struct wp_image_description_v1 * hdrImageDesc;
struct wp_image_description_creator_params_v1 * hdrImageCreator;
// Set to true when an HDR image description is active on the surface
bool hdrActive;
// wp_color_manager_v1 feature advertisement tracking.
// Set to true after the done event for the color-manager has been received
// and all compositor capabilities have been recorded.
bool cmFeaturesDone;
bool cmHasParametric;
bool cmHasLuminances;
bool cmHasMasteringPrimaries;
bool cmHasTFSt2084PQ;
bool cmHasTFExtLinear;
bool cmHasPrimariesBT2020;
bool cmHasPrimariesSRGB;
bool cmCanDoHDR; // true if compositor supports features needed for HDR
// Pending HDR format to apply (set by frame thread, applied in swap buffers).
// pendingHDRApply and pendingHDRClear are accessed from multiple threads
// without a lock, so they must be atomic.
_Atomic(bool) pendingHDRApply;
_Atomic(bool) pendingHDRClear;
bool pendingHDRPQ;
uint16_t pendingHDRDisplayPrimary[3][2];
uint16_t pendingHDRWhitePoint[2];
uint32_t pendingHDRMaxDisplayLuminance;
uint32_t pendingHDRMinDisplayLuminance;
uint32_t pendingHDRMaxCLL;
uint32_t pendingHDRMaxFALL;
LGEvent * frameEvent;
struct wl_list poll; // WaylandPoll::link
@@ -262,6 +299,24 @@ void waylandGLSetSwapInterval(int interval);
void waylandGLSwapBuffers(void);
#endif
// HDR color management (Wayland color-management-v1)
bool waylandColorMgmtInit(void);
void waylandColorMgmtFree(void);
void waylandSetHDRImageDescription(const uint16_t displayPrimary[3][2],
const uint16_t whitePoint[2], uint32_t maxDisplayLuminance,
uint32_t minDisplayLuminance, uint32_t maxCLL, uint32_t maxFALL,
bool hdrPQ);
void waylandClearHDRImageDescription(void);
// Queue HDR change from any thread (applied in waylandEGLSwapBuffers).
// Returns true if the request was queued, false if HDR is not available
// (no color manager, missing features, or unsupported TF/primaries).
bool waylandRequestHDR(const uint16_t displayPrimary[3][2],
const uint16_t whitePoint[2], uint32_t maxDisplayLuminance,
uint32_t minDisplayLuminance, uint32_t maxCLL, uint32_t maxFALL,
bool hdrPQ);
void waylandRequestClearHDR(void);
// idle module
bool waylandIdleInit(void);
void waylandIdleFree(void);