From 7f39b4655e76bf26a32a415b0c21bfd4102c6b31 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Mon, 24 Mar 2014 23:30:12 +0100
Subject: vo_opengl: runtime icc profile switching

The changes in vo_opengl.c are merely for adding the icc options to the
set of options than can be changed with the vo_cmdline command.
---
 video/out/gl_video.c  | 15 +++++++++++----
 video/out/vo_opengl.c | 44 +++++++++++++++++++++++++++++---------------
 2 files changed, 40 insertions(+), 19 deletions(-)

(limited to 'video')

diff --git a/video/out/gl_video.c b/video/out/gl_video.c
index 204b8a8c70..56a56cb1ae 100644
--- a/video/out/gl_video.c
+++ b/video/out/gl_video.c
@@ -1214,12 +1214,17 @@ void gl_video_set_lut3d(struct gl_video *p, struct lut3d *lut3d)
 {
     GL *gl = p->gl;
 
-    assert(!p->lut_3d_texture);
-
-    if (!lut3d)
+    if (!lut3d) {
+        if (p->use_lut_3d) {
+            p->use_lut_3d = false;
+            reinit_rendering(p);
+        }
         return;
+    }
+
+    if (!p->lut_3d_texture)
+        gl->GenTextures(1, &p->lut_3d_texture);
 
-    gl->GenTextures(1, &p->lut_3d_texture);
     gl->ActiveTexture(GL_TEXTURE0 + TEXUNIT_3DLUT);
     gl->BindTexture(GL_TEXTURE_3D, p->lut_3d_texture);
     gl->PixelStorei(GL_UNPACK_ALIGNMENT, 4);
@@ -1237,6 +1242,8 @@ void gl_video_set_lut3d(struct gl_video *p, struct lut3d *lut3d)
     check_gl_features(p);
 
     debug_check_gl(p, "after 3d lut creation");
+
+    reinit_rendering(p);
 }
 
 static void set_image_textures(struct gl_video *p, struct video_image *vimg,
diff --git a/video/out/vo_opengl.c b/video/out/vo_opengl.c
index 8fea170a55..8e117a48b6 100644
--- a/video/out/vo_opengl.c
+++ b/video/out/vo_opengl.c
@@ -262,27 +262,47 @@ static void unload_hwdec_driver(struct gl_priv *p)
     }
 }
 
+static bool update_icc_profile(struct gl_priv *p, struct mp_icc_opts *opts)
+{
+    struct lut3d *lut3d = NULL;
+    if (opts->profile) {
+        lut3d = mp_load_icc(opts, p->vo->log, p->vo->global);
+        if (!lut3d)
+            return false;
+    }
+    gl_video_set_lut3d(p->renderer, lut3d);
+    talloc_free(lut3d);
+    return true;
+}
+
 static bool reparse_cmdline(struct gl_priv *p, char *args)
 {
     struct m_config *cfg = NULL;
-    struct gl_video_opts *opts = NULL;
+    struct gl_priv *opts = NULL;
     int r = 0;
 
+    // list of options which can be changed at runtime
+#define OPT_BASE_STRUCT struct gl_priv
+    static const struct m_option change_otps[] = {
+        OPT_SUBSTRUCT("", renderer_opts, gl_video_conf, 0),
+        OPT_SUBSTRUCT("", icc_opts, mp_icc_conf, 0),
+        {0}
+    };
+#undef OPT_BASE_STRUCT
+
     if (strcmp(args, "-") == 0) {
-        opts = p->renderer_opts;
+        opts = p;
     } else {
         const struct gl_priv *vodef = p->vo->driver->priv_defaults;
-        const struct gl_video_opts *def =
-            vodef ? vodef->renderer_opts : gl_video_conf.defaults;
-        cfg = m_config_new(NULL, p->vo->log, sizeof(*opts), def,
-                           gl_video_conf.opts);
+        cfg = m_config_new(NULL, p->vo->log, sizeof(*opts), vodef, change_otps);
         opts = cfg->optstruct;
         r = m_config_parse_suboptions(cfg, "opengl", args);
     }
 
     if (r >= 0) {
         mpgl_lock(p->glctx);
-        gl_video_set_options(p->renderer, opts);
+        gl_video_set_options(p->renderer, opts->renderer_opts);
+        update_icc_profile(p, opts->icc_opts);
         resize(p);
         mpgl_unlock(p->glctx);
     }
@@ -396,14 +416,8 @@ static int preinit(struct vo *vo)
     gl_video_set_output_depth(p->renderer, p->glctx->depth_r, p->glctx->depth_g,
                               p->glctx->depth_b);
     gl_video_set_options(p->renderer, p->renderer_opts);
-
-    if (p->icc_opts->profile) {
-        struct lut3d *lut3d = mp_load_icc(p->icc_opts, vo->log, vo->global);
-        if (!lut3d)
-            goto err_out;
-        gl_video_set_lut3d(p->renderer, lut3d);
-        talloc_free(lut3d);
-    }
+    if (!update_icc_profile(p, p->icc_opts))
+        goto err_out;
 
     mpgl_unset_context(p->glctx);
 
-- 
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