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vo_opengl: gl_lcms: implement change detection for memory profiles

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This affects OSX, where memory profiles are updated e.g. on fullscreen
switches. The profile most likely doesn't change, but the LUT will
be generated and reloaded anyway.

Somewhat of a regression from commit f811348.

Fixes #1439.
This commit is contained in:
wm4 2015-01-08 01:00:42 +01:00
parent ae8a91d6b6
commit d6aac7f930
3 changed files with 26 additions and 0 deletions
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23
video/out/gl_lcms.c
View File

@ -44,6 +44,7 @@ struct gl_lcms {
void *icc_data;
size_t icc_size;
char *icc_path;
bool changed;
struct mp_log *log;
struct mpv_global *global;
@ -134,6 +135,7 @@ struct gl_lcms *gl_lcms_init(void *talloc_ctx, struct mp_log *log,
*p = (struct gl_lcms) {
.global = global,
.log = log,
.changed = true,
};
return p;
}
@ -143,6 +145,7 @@ void gl_lcms_set_options(struct gl_lcms *p, struct mp_icc_opts *opts)
p->opts = *opts;
p->icc_path = talloc_strdup(p, p->opts.profile);
load_profile(p);
p->changed = true; // probably
}
// Warning: profile.start must point to a ta allocation, and the function
@ -152,6 +155,16 @@ void gl_lcms_set_memory_profile(struct gl_lcms *p, bstr *profile)
if (!p->opts.profile_auto)
return;
if (!p->icc_path && p->icc_data && profile->start &&
profile->len == p->icc_size &&
memcmp(profile->start, p->icc_data, p->icc_size) == 0)
{
talloc_free(profile->start);
return;
}
p->changed = true;
talloc_free(p->icc_path);
p->icc_path = NULL;
@ -161,6 +174,15 @@ void gl_lcms_set_memory_profile(struct gl_lcms *p, bstr *profile)
p->icc_size = profile->len;
}
// Return and _reset_ whether the lookul table has changed since the last call.
// If it has changed, gl_lcms_get_lut3d() should be called.
bool gl_lcms_has_changed(struct gl_lcms *p)
{
bool change = p->changed;
p->changed = false;
return change;
}
#define LUT3D_CACHE_HEADER "mpv 3dlut cache 1.0\n"
bool gl_lcms_get_lut3d(struct gl_lcms *p, struct lut3d **result_lut3d)
@ -313,5 +335,6 @@ struct gl_lcms *gl_lcms_init(void *talloc_ctx, struct mp_log *log,
void gl_lcms_set_options(struct gl_lcms *p, struct mp_icc_opts *opts) { }
void gl_lcms_set_memory_profile(struct gl_lcms *p, bstr *profile) { }
bool gl_lcms_get_lut3d(struct gl_lcms *p, struct lut3d **x) { return false; }
bool gl_lcms_has_changed(struct gl_lcms *p) { return false; }
#endif

1
video/out/gl_lcms.h
View File

@ -25,5 +25,6 @@ struct gl_lcms *gl_lcms_init(void *talloc_ctx, struct mp_log *log,
void gl_lcms_set_options(struct gl_lcms *p, struct mp_icc_opts *opts);
void gl_lcms_set_memory_profile(struct gl_lcms *p, bstr *profile);
bool gl_lcms_get_lut3d(struct gl_lcms *p, struct lut3d **);
bool gl_lcms_has_changed(struct gl_lcms *p);
#endif

2
video/out/vo_opengl.c
View File

@ -244,6 +244,8 @@ static void call_request_hwdec_api(struct mp_hwdec_info *info,
static bool update_icc_profile(struct gl_priv *p)
{
struct lut3d *lut3d = NULL;
if (!gl_lcms_has_changed(p->cms))
return true;
if (gl_lcms_get_lut3d(p->cms, &lut3d) && !lut3d)
return false;
gl_video_set_lut3d(p->renderer, lut3d);