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video: Expose HDR metadata per-window

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Moves the HDR properties from the display to be per-window, and adds the frog_color protocol to enable HDR under Wayland.
This commit is contained in:
Frank Praznik
2024-06-17 19:23:10 -04:00
parent 0383333b54
commit 2f276a2eea
18 changed files with 526 additions and 104 deletions
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17
src/render/SDL_render.c
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@@ -737,16 +737,11 @@ static void UpdateMainViewDimensions(SDL_Renderer *renderer)
static void UpdateHDRProperties(SDL_Renderer *renderer)
{
SDL_DisplayID displayID = SDL_GetDisplayForWindow(renderer->window);
SDL_PropertiesID display_props;
SDL_PropertiesID window_props;
SDL_PropertiesID renderer_props;
if (!displayID) {
return;
}
display_props = SDL_GetDisplayProperties(displayID);
if (!display_props) {
window_props = SDL_GetWindowProperties(renderer->window);
if (!window_props) {
return;
}
@@ -758,8 +753,8 @@ static void UpdateHDRProperties(SDL_Renderer *renderer)
renderer->color_scale /= renderer->SDR_white_point;
if (renderer->output_colorspace == SDL_COLORSPACE_SRGB_LINEAR) {
renderer->SDR_white_point = SDL_GetFloatProperty(display_props, SDL_PROP_DISPLAY_SDR_WHITE_POINT_FLOAT, 1.0f);
renderer->HDR_headroom = SDL_GetFloatProperty(display_props, SDL_PROP_DISPLAY_HDR_HEADROOM_FLOAT, 1.0f);
renderer->SDR_white_point = SDL_GetFloatProperty(window_props, SDL_PROP_WINDOW_SDR_WHITE_LEVEL_FLOAT, 1.0f);
renderer->HDR_headroom = SDL_GetFloatProperty(window_props, SDL_PROP_WINDOW_HDR_HEADROOM_FLOAT, 1.0f);
} else {
renderer->SDR_white_point = 1.0f;
renderer->HDR_headroom = 1.0f;
@@ -836,7 +831,7 @@ static int SDLCALL SDL_RendererEventWatch(void *userdata, SDL_Event *event)
UpdateHDRProperties(renderer);
}
}
} else if (event->type == SDL_EVENT_DISPLAY_HDR_STATE_CHANGED) {
} else if (event->type == SDL_EVENT_WINDOW_HDR_STATE_CHANGED) {
UpdateHDRProperties(renderer);
}