Merge pull request #3218 from metalefty/gfx_codec_order

GFX: add config which to prefer H264 vs RFX

tests/xrdp/Makefile.am

@@ -1,6 +1,5 @@
 AM_CPPFLAGS = \
   -DXRDP_TOP_SRCDIR=\"$(top_srcdir)\" \
-  -DXRDP_CFG_PATH=\"${sysconfdir}/xrdp\" \
   -I$(top_builddir) \
   -I$(top_srcdir)/xrdp \
   -I$(top_srcdir)/libxrdp \
@@ -21,7 +20,14 @@ EXTRA_DIST = \
   test_not4_8bit.bmp \
   test_not4_24bit.bmp \
   test1.jpg \
-  test_alpha_blend.png
+  test_alpha_blend.png \
+  gfx/gfx.toml\
+  gfx/gfx_codec_order_undefined.toml \
+  gfx/gfx_codec_h264_preferred.toml \
+  gfx/gfx_codec_h264_only.toml \
+  gfx/gfx_codec_rfx_preferred.toml \
+  gfx/gfx_codec_rfx_preferred_odd.toml \
+  gfx/gfx_codec_rfx_only.toml
 
 TESTS = test_xrdp
 check_PROGRAMS = test_xrdp

tests/xrdp/gfx/gfx.toml

@@ -0,0 +1,40 @@
+[codec]
+order = [ "H.264", "RFX" ]
+
+[x264.default]
+preset = "ultrafast"
+tune = "zerolatency"
+profile = "main"     # profile is forced to baseline if preset == ultrafast
+vbv_max_bitrate = 0
+vbv_buffer_size = 0
+fps_num = 24
+fps_den = 1
+
+[x264.lan]
+# inherits default
+
+[x264.wan]
+vbv_max_bitrate = 15000
+vbv_buffer_size = 1500
+
+[x264.broadband_high]
+preset = "superfast"
+vbv_max_bitrate = 8000
+vbv_buffer_Size = 800
+
+[x264.satellite]
+preset = "superfast"
+vbv_max_bitrate = 5000
+vbv_buffer_size = 500
+
+[x264.broadband_low]
+preset = "veryfast"
+tune = "zerolatency"
+vbv_max_bitrate = 1600
+vbv_buffer_size = 66
+
+[x264.modem]
+preset = "fast"
+tune = "zerolatency"
+vbv_max_bitrate = 1200
+vbv_buffer_size = 50

tests/xrdp/gfx/gfx_codec_h264_only.toml

@@ -0,0 +1,18 @@
+[codec]
+order = [ "H.264" ]
+
+[x264.default]
+preset = "ultrafast"
+tune = "zerolatency"
+profile = "main"     # profile is forced to baseline if preset == ultrafast
+vbv_max_bitrate = 0
+vbv_buffer_size = 0
+fps_num = 24
+fps_den = 1
+
+[x264.lan]
+[x264.wan]
+[x264.broadband_high]
+[x264.satellite]
+[x264.broadband_low]
+[x264.modem]

tests/xrdp/gfx/gfx_codec_h264_preferred.toml

@@ -0,0 +1,18 @@
+[codec]
+order = [ "H.264", "RFX" ]
+
+[x264.default]
+preset = "ultrafast"
+tune = "zerolatency"
+profile = "main"     # profile is forced to baseline if preset == ultrafast
+vbv_max_bitrate = 0
+vbv_buffer_size = 0
+fps_num = 24
+fps_den = 1
+
+[x264.lan]
+[x264.wan]
+[x264.broadband_high]
+[x264.satellite]
+[x264.broadband_low]
+[x264.modem]

tests/xrdp/gfx/gfx_codec_order_undefined.toml

@@ -0,0 +1,18 @@
+[codec]
+order = [ ]
+
+[x264.default]
+preset = "ultrafast"
+tune = "zerolatency"
+profile = "main"     # profile is forced to baseline if preset == ultrafast
+vbv_max_bitrate = 0
+vbv_buffer_size = 0
+fps_num = 24
+fps_den = 1
+
+[x264.lan]
+[x264.wan]
+[x264.broadband_high]
+[x264.satellite]
+[x264.broadband_low]
+[x264.modem]

tests/xrdp/gfx/gfx_codec_rfx_only.toml

@@ -0,0 +1,18 @@
+[codec]
+order = [ "RFX" ]
+
+[x264.default]
+preset = "ultrafast"
+tune = "zerolatency"
+profile = "main"     # profile is forced to baseline if preset == ultrafast
+vbv_max_bitrate = 0
+vbv_buffer_size = 0
+fps_num = 24
+fps_den = 1
+
+[x264.lan]
+[x264.wan]
+[x264.broadband_high]
+[x264.satellite]
+[x264.broadband_low]
+[x264.modem]

tests/xrdp/gfx/gfx_codec_rfx_preferred.toml

@@ -0,0 +1,18 @@
+[codec]
+order = [ "RFX", "H.264" ]
+
+[x264.default]
+preset = "ultrafast"
+tune = "zerolatency"
+profile = "main"     # profile is forced to baseline if preset == ultrafast
+vbv_max_bitrate = 0
+vbv_buffer_size = 0
+fps_num = 24
+fps_den = 1
+
+[x264.lan]
+[x264.wan]
+[x264.broadband_high]
+[x264.satellite]
+[x264.broadband_low]
+[x264.modem]

tests/xrdp/gfx/gfx_codec_rfx_preferred_odd.toml

@@ -0,0 +1,18 @@
+[codec]
+order = [ "RFX", "H.264", "RFX" ]
+
+[x264.default]
+preset = "ultrafast"
+tune = "zerolatency"
+profile = "main"     # profile is forced to baseline if preset == ultrafast
+vbv_max_bitrate = 0
+vbv_buffer_size = 0
+fps_num = 24
+fps_den = 1
+
+[x264.lan]
+[x264.wan]
+[x264.broadband_high]
+[x264.satellite]
+[x264.broadband_low]
+[x264.modem]

tests/xrdp/gfx/gfx_missing_h264.toml

@@ -0,0 +1,9 @@
+[codec]
+order = [ "H.264", "RFX" ]
+
+[x264.lan]
+[x264.wan]
+[x264.broadband_high]
+[x264.satellite]
+[x264.broadband_low]
+[x264.modem]

tests/xrdp/test_tconfig.c

@@ -6,6 +6,8 @@
 #include "test_xrdp.h"
 #include "xrdp.h"
 
+#define GFXCONF_STUBDIR XRDP_TOP_SRCDIR "/tests/xrdp/gfx/"
+
 START_TEST(test_tconfig_gfx_always_success)
 {
     ck_assert_int_eq(1, 1);
@@ -15,7 +17,7 @@ END_TEST
 START_TEST(test_tconfig_gfx_x264_load_basic)
 {
     struct xrdp_tconfig_gfx gfxconfig;
-    int rv = tconfig_load_gfx(XRDP_TOP_SRCDIR "/xrdp/gfx.toml", &gfxconfig);
+    int rv = tconfig_load_gfx(GFXCONF_STUBDIR "/gfx.toml", &gfxconfig);
 
     ck_assert_int_eq(rv, 0);
 
@@ -31,6 +33,68 @@ START_TEST(test_tconfig_gfx_x264_load_basic)
 }
 END_TEST
 
+START_TEST(test_tconfig_gfx_codec_order)
+{
+    struct xrdp_tconfig_gfx gfxconfig;
+
+    /* H264 earlier */
+    tconfig_load_gfx(GFXCONF_STUBDIR "/gfx_codec_h264_preferred.toml", &gfxconfig);
+    ck_assert_int_eq(gfxconfig.codec.codec_count, 2);
+    ck_assert_int_eq(gfxconfig.codec.codecs[0], XTC_H264);
+    ck_assert_int_eq(gfxconfig.codec.codecs[1], XTC_RFX);
+
+    /* H264 only */
+    tconfig_load_gfx(GFXCONF_STUBDIR "/gfx_codec_h264_only.toml", &gfxconfig);
+    ck_assert_int_eq(gfxconfig.codec.codec_count, 1);
+    ck_assert_int_eq(gfxconfig.codec.codecs[0], XTC_H264);
+
+    /* RFX earlier */
+    tconfig_load_gfx(GFXCONF_STUBDIR "/gfx_codec_rfx_preferred.toml", &gfxconfig);
+    ck_assert_int_eq(gfxconfig.codec.codec_count, 2);
+    ck_assert_int_eq(gfxconfig.codec.codecs[0], XTC_RFX);
+    ck_assert_int_eq(gfxconfig.codec.codecs[1], XTC_H264);
+
+    /* RFX appears twice like: RFX, H264, RFX */
+    tconfig_load_gfx(GFXCONF_STUBDIR "/gfx_codec_rfx_preferred_odd.toml", &gfxconfig);
+    ck_assert_int_eq(gfxconfig.codec.codec_count, 2);
+    ck_assert_int_eq(gfxconfig.codec.codecs[0], XTC_RFX);
+    ck_assert_int_eq(gfxconfig.codec.codecs[1], XTC_H264);
+
+    /* RFX only */
+    tconfig_load_gfx(GFXCONF_STUBDIR "/gfx_codec_rfx_only.toml", &gfxconfig);
+    ck_assert_int_eq(gfxconfig.codec.codec_count, 1);
+    ck_assert_int_eq(gfxconfig.codec.codecs[0], XTC_RFX);
+
+    /* H264 is preferred if order undefined */
+    tconfig_load_gfx(GFXCONF_STUBDIR "/gfx_codec_order_undefined.toml", &gfxconfig);
+    ck_assert_int_eq(gfxconfig.codec.codec_count, 2);
+    ck_assert_int_eq(gfxconfig.codec.codecs[0], XTC_H264);
+    ck_assert_int_eq(gfxconfig.codec.codecs[1], XTC_RFX);
+}
+END_TEST
+
+START_TEST(test_tconfig_gfx_missing_file)
+{
+    struct xrdp_tconfig_gfx gfxconfig;
+
+    /* Check RFX config is returned if the file doesn't exist */
+    tconfig_load_gfx(GFXCONF_STUBDIR "/no_such_file.toml", &gfxconfig);
+    ck_assert_int_eq(gfxconfig.codec.codec_count, 1);
+    ck_assert_int_eq(gfxconfig.codec.codecs[0], XTC_RFX);
+}
+END_TEST
+
+START_TEST(test_tconfig_gfx_missing_h264)
+{
+    struct xrdp_tconfig_gfx gfxconfig;
+
+    /* Check RFX config only is returned if H.264 parameters are missing */
+    tconfig_load_gfx(GFXCONF_STUBDIR "/gfx_missing_h264.toml", &gfxconfig);
+    ck_assert_int_eq(gfxconfig.codec.codec_count, 1);
+    ck_assert_int_eq(gfxconfig.codec.codecs[0], XTC_RFX);
+}
+END_TEST
+
 /******************************************************************************/
 Suite *
 make_suite_tconfig_load_gfx(void)
@@ -43,6 +107,9 @@ make_suite_tconfig_load_gfx(void)
     tc_tconfig_load_gfx = tcase_create("xrdp_tconfig_load_gfx");
     tcase_add_test(tc_tconfig_load_gfx, test_tconfig_gfx_always_success);
     tcase_add_test(tc_tconfig_load_gfx, test_tconfig_gfx_x264_load_basic);
+    tcase_add_test(tc_tconfig_load_gfx, test_tconfig_gfx_codec_order);
+    tcase_add_test(tc_tconfig_load_gfx, test_tconfig_gfx_missing_file);
+    tcase_add_test(tc_tconfig_load_gfx, test_tconfig_gfx_missing_h264);
 
     suite_add_tcase(s, tc_tconfig_load_gfx);
 

xrdp/gfx.toml

@@ -1,3 +1,6 @@
+[codec]
+order = [ "H.264", "RFX" ]
+
 [x264.default]
 preset = "ultrafast"
 tune = "zerolatency"

xrdp/xrdp.h

@@ -38,6 +38,14 @@
 #include "xrdp_client_info.h"
 #include "log.h"
 
+#if defined(XRDP_X264) || defined(XRDP_OPENH264) || defined(XRDP_NVENC)
+#if !defined(XRDP_H264)
+#define XRDP_H264 1
+#endif
+#else
+#undef XRDP_H264
+#endif
+
 /* xrdp.c */
 long
 g_xrdp_sync(long (*sync_func)(long param1, long param2), long sync_param1,

xrdp/xrdp_mm.c

@@ -1362,7 +1362,6 @@ xrdp_mm_egfx_caps_advertise(void *user, int caps_count,
     struct xrdp_mm *self;
     struct xrdp_bitmap *screen;
     int index;
-    int best_index;
     int best_h264_index;
     int best_pro_index;
     int error;
@@ -1370,6 +1369,10 @@ xrdp_mm_egfx_caps_advertise(void *user, int caps_count,
     int flags;
     struct ver_flags_t *ver_flags;
 
+#if !defined(XRDP_H264)
+    UNUSED_VAR(best_h264_index);
+#endif
+
     LOG(LOG_LEVEL_INFO, "xrdp_mm_egfx_caps_advertise:");
     self = (struct xrdp_mm *) user;
     screen = self->wm->screen;
@@ -1390,7 +1393,6 @@ xrdp_mm_egfx_caps_advertise(void *user, int caps_count,
     }
     /* sort by version */
     g_qsort(ver_flags, caps_count, sizeof(struct ver_flags_t), cmpverfunc);
-    best_index = -1;
     best_h264_index = -1;
     best_pro_index = -1;
     for (index = 0; index < caps_count; index++)
@@ -1437,19 +1439,34 @@ xrdp_mm_egfx_caps_advertise(void *user, int caps_count,
                 break;
         }
     }
-    if (best_pro_index >= 0)
+
+    int best_index = -1;
+    struct xrdp_tconfig_gfx_codec_order *co = &self->wm->gfx_config->codec;
+    char cobuff[64];
+
+    LOG(LOG_LEVEL_INFO, "Codec search order is %s",
+        tconfig_codec_order_to_str(co, cobuff, sizeof(cobuff)));
+    for (index = 0 ; index < co->codec_count ; ++index)
     {
-        best_index = best_pro_index;
-        self->egfx_flags = XRDP_EGFX_RFX_PRO;
-    }
-    /* prefer h264, todo use setting in xrdp.ini for this */
-    if (best_h264_index >= 0)
+#if defined(XRDP_H264)
+        if (co->codecs[index] == XTC_H264 && best_h264_index >= 0)
         {
-#if defined(XRDP_X264) || defined(XRDP_NVENC)
+            LOG(LOG_LEVEL_INFO, "Matched H264 mode");
             best_index = best_h264_index;
             self->egfx_flags = XRDP_EGFX_H264;
-#endif
+            break;
         }
+#endif
+
+        if (co->codecs[index] == XTC_RFX && best_pro_index >= 0)
+        {
+            LOG(LOG_LEVEL_INFO, "Matched RFX mode");
+            best_index = best_pro_index;
+            self->egfx_flags = XRDP_EGFX_RFX_PRO;
+            break;
+        }
+    }
+
     if (best_index >= 0)
     {
         LOG(LOG_LEVEL_INFO, "  replying version 0x%8.8x flags 0x%8.8x",

xrdp/xrdp_tconfig.c

@@ -48,6 +48,54 @@
 #define X264_DEFAULT_FPS_NUM 24
 #define X264_DEFAULT_FPS_DEN 1
 
+const char *
+tconfig_codec_order_to_str(
+    const struct xrdp_tconfig_gfx_codec_order *codec_order,
+    char *buff,
+    unsigned int bufflen)
+{
+    if (bufflen < (8 * codec_order->codec_count))
+    {
+        snprintf(buff, bufflen, "???");
+    }
+    else
+    {
+        unsigned int p = 0;
+        int i;
+        for (i = 0 ; i < codec_order->codec_count; ++i)
+        {
+            if (p > 0)
+            {
+                buff[p++] = ',';
+            }
+
+            switch (codec_order->codecs[i])
+            {
+                case XTC_H264:
+                    buff[p++] = 'H';
+                    buff[p++] = '2';
+                    buff[p++] = '6';
+                    buff[p++] = '4';
+                    break;
+
+                case XTC_RFX:
+                    buff[p++] = 'R';
+                    buff[p++] = 'F';
+                    buff[p++] = 'X';
+                    break;
+
+                default:
+                    buff[p++] = '?';
+                    buff[p++] = '?';
+                    buff[p++] = '?';
+            }
+        }
+        buff[p++] = '\0';
+    }
+
+    return buff;
+}
+
 static int
 tconfig_load_gfx_x264_ct(toml_table_t *tfile, const int connection_type,
                          struct xrdp_tconfig_gfx_x264_param *param)
@@ -199,12 +247,132 @@ tconfig_load_gfx_x264_ct(toml_table_t *tfile, const int connection_type,
     return 0;
 }
 
+static int tconfig_load_gfx_order(toml_table_t *tfile, struct xrdp_tconfig_gfx *config)
+{
+    char buff[64];
+
+    /*
+     * This config loader is not responsible to check if xrdp is built with
+     * H264/RFX support. Just loads configurations as-is.
+     */
+
+    TCLOG(LOG_LEVEL_TRACE, "[codec]");
+
+    int h264_found = 0;
+    int rfx_found = 0;
+
+    config->codec.codec_count = 0;
+
+    toml_table_t *codec;
+    toml_array_t *order;
+
+    if ((codec = toml_table_in(tfile, "codec")) != NULL &&
+            (order = toml_array_in(codec, "order")) != NULL)
+    {
+        for (int i = 0; ; i++)
+        {
+            toml_datum_t datum = toml_string_at(order, i);
+
+            if (datum.ok)
+            {
+                if (h264_found == 0 &&
+                        (g_strcasecmp(datum.u.s, "h264") == 0 ||
+                         g_strcasecmp(datum.u.s, "h.264") == 0))
+                {
+                    h264_found = 1;
+                    config->codec.codecs[config->codec.codec_count] = XTC_H264;
+                    ++config->codec.codec_count;
+                }
+                if (rfx_found == 0 &&
+                        g_strcasecmp(datum.u.s, "rfx") == 0)
+                {
+                    rfx_found = 1;
+                    config->codec.codecs[config->codec.codec_count] = XTC_RFX;
+                    ++config->codec.codec_count;
+                }
+                free(datum.u.s);
+            }
+            else
+            {
+                break;
+            }
+        }
+    }
+
+    if (h264_found == 0 && rfx_found == 0)
+    {
+        /* prefer H264 if no priority found */
+        config->codec.codecs[0] = XTC_H264;
+        config->codec.codecs[1] = XTC_RFX;
+        config->codec.codec_count = 2;
+
+        TCLOG(LOG_LEVEL_WARNING, "[codec] could not get GFX codec order, "
+              "using default order %s",
+              tconfig_codec_order_to_str(&config->codec, buff, sizeof(buff)));
+
+        return 1;
+    }
+
+    TCLOG(LOG_LEVEL_DEBUG, "[codec] %s",
+          tconfig_codec_order_to_str(&config->codec, buff, sizeof(buff)));
+    return 0;
+}
+
+/**
+ * Determines whether a codec is enabled
+ * @param co Ordered codec list
+ * @param code Code of codec to look for
+ * @return boolean
+ */
+static int
+codec_enabled(const struct xrdp_tconfig_gfx_codec_order *co,
+              enum xrdp_tconfig_codecs code)
+{
+    for (unsigned short i = 0; i < co->codec_count; ++i)
+    {
+        if (co->codecs[i] == code)
+        {
+            return 1;
+        }
+    }
+
+    return 0;
+}
+
+/**
+ * Disables a Codec by removing it from the codec list
+ * @param co Ordered codec list
+ * @param code Code of codec to remove from list
+ *
+ * The order of the passed-in codec list is preserved.
+ */
+static void
+disable_codec(struct xrdp_tconfig_gfx_codec_order *co,
+              enum xrdp_tconfig_codecs code)
+{
+    unsigned short j = 0;
+    for (unsigned short i = 0; i < co->codec_count; ++i)
+    {
+        if (co->codecs[i] != code)
+        {
+            co->codecs[j++] = co->codecs[i];
+        }
+    }
+    co->codec_count = j;
+}
+
 int
 tconfig_load_gfx(const char *filename, struct xrdp_tconfig_gfx *config)
 {
     FILE *fp;
     char errbuf[200];
     toml_table_t *tfile;
+    int rv = 0;
+
+    /* Default to just RFX support. in case we can't load anything */
+    config->codec.codec_count = 1;
+    config->codec.codecs[0] = XTC_RFX;
+    memset(config->x264_param, 0, sizeof(config->x264_param));
 
     if ((fp = fopen(filename, "r")) == NULL)
     {
@@ -212,33 +380,45 @@ tconfig_load_gfx(const char *filename, struct xrdp_tconfig_gfx *config)
               filename, g_get_strerror());
         return 1;
     }
-    else if ((tfile = toml_parse_file(fp, errbuf, sizeof(errbuf))) == NULL)
+
+    if ((tfile = toml_parse_file(fp, errbuf, sizeof(errbuf))) == NULL)
     {
         TCLOG(LOG_LEVEL_ERROR, "Error in GFX config file %s - %s", filename, errbuf);
         fclose(fp);
         return 1;
     }
-    else
-    {
+
     TCLOG(LOG_LEVEL_INFO, "Loading GFX config file %s", filename);
     fclose(fp);
 
-        memset(config, 0, sizeof(struct xrdp_tconfig_gfx));
+    /* Load GFX codec order */
+    tconfig_load_gfx_order(tfile, config);
 
-        /* First of all, read the default params and override later */
-        tconfig_load_gfx_x264_ct(tfile, 0, config->x264_param);
-
-        for (int ct = CONNECTION_TYPE_MODEM; ct < NUM_CONNECTION_TYPES; ct++)
+    /* H.264 configuration */
+    if (codec_enabled(&config->codec, XTC_H264))
     {
-            memcpy(&config->x264_param[ct], &config->x264_param[0],
-                   sizeof(struct xrdp_tconfig_gfx_x264_param));
-
+        /* First of all, read the default params */
+        if (tconfig_load_gfx_x264_ct(tfile, 0, config->x264_param) != 0)
+        {
+            /* We can't read the H.264 defaults. Disable H.264 */
+            LOG(LOG_LEVEL_WARNING, "H.264 support will be disabled");
+            disable_codec(&config->codec, XTC_H264);
+            rv = 1;
+        }
+        else
+        {
+            /* Copy default params to other connection types, and
+             * then override them */
+            for (int ct = CONNECTION_TYPE_MODEM; ct < NUM_CONNECTION_TYPES;
+                    ct++)
+            {
+                config->x264_param[ct] = config->x264_param[0];
                 tconfig_load_gfx_x264_ct(tfile, ct, config->x264_param);
             }
-
+        }
+    }
     toml_free(tfile);
 
-        return 0;
-    }
+    return rv;
 }
 

xrdp/xrdp_tconfig.h

@@ -42,8 +42,21 @@ struct xrdp_tconfig_gfx_x264_param
     int fps_den;
 };
 
+enum xrdp_tconfig_codecs
+{
+    XTC_H264,
+    XTC_RFX
+};
+
+struct xrdp_tconfig_gfx_codec_order
+{
+    enum xrdp_tconfig_codecs codecs[2];
+    unsigned short codec_count;
+};
+
 struct xrdp_tconfig_gfx
 {
+    struct xrdp_tconfig_gfx_codec_order codec;
     /* store x264 parameters for each connection type */
     struct xrdp_tconfig_gfx_x264_param x264_param[NUM_CONNECTION_TYPES];
 };
@@ -61,6 +74,31 @@ static const char *const rdpbcgr_connection_type_names[] =
     0
 };
 
-int tconfig_load_gfx(const char *filename, struct xrdp_tconfig_gfx *config);
+/**
+ * Provide a string representation of a codec order
+ *
+ * @param codec_order Codec order struct
+ * @param buff Buffer for result
+ * @param bufflen Length of above
+ * @return Convenience copy of buff
+ */
+const char *
+tconfig_codec_order_to_str(
+    const struct xrdp_tconfig_gfx_codec_order *codec_order,
+    char *buff,
+    unsigned int bufflen);
+
+/**
+ * Loads the GFX config from the specified file
+ *
+ * @param filename Name of file to load
+ * @param config Struct to receive result
+ * @return 0 for success
+ *
+ * In the event of failure, an error is logged. A minimal
+ * useable configuration is always returned
+ */
+int
+tconfig_load_gfx(const char *filename, struct xrdp_tconfig_gfx *config);
 
 #endif

xrdp/xrdp_types.h

@@ -30,6 +30,7 @@
 #include "guid.h"
 #include "scancode.h"
 #include "xrdp_client_info.h"
+#include "xrdp_tconfig.h"
 
 #define MAX_NR_CHANNELS 16
 #define MAX_CHANNEL_NAME 16
@@ -581,6 +582,8 @@ struct xrdp_wm
 
     /* configuration derived from xrdp.ini */
     struct xrdp_config *xrdp_config;
+    /* configuration derived from gfx.toml */
+    struct xrdp_tconfig_gfx *gfx_config;
 
     struct xrdp_region *screen_dirty_region;
     int last_screen_draw_time;

xrdp/xrdp_wm.c

@@ -115,8 +115,9 @@ xrdp_wm_create(struct xrdp_process *owner,
     self->target_surface = self->screen;
     self->current_surface_index = 0xffff; /* screen */
 
-    /* to store configuration from xrdp.ini */
+    /* to store configuration from xrdp.ini, gfx.toml */
     self->xrdp_config = g_new0(struct xrdp_config, 1);
+    self->gfx_config = g_new0(struct xrdp_tconfig_gfx, 1);
 
     /* Load the channel config so libxrdp can check whether
        drdynvc is enabled or not */
@@ -163,6 +164,11 @@ xrdp_wm_delete(struct xrdp_wm *self)
         g_free(self->xrdp_config);
     }
 
+    if (self->gfx_config)
+    {
+        g_free(self->gfx_config);
+    }
+
     /* free self */
     g_free(self);
 }
@@ -643,6 +649,8 @@ xrdp_wm_init(struct xrdp_wm *self)
     load_xrdp_config(self->xrdp_config, self->session->xrdp_ini,
                      self->screen->bpp);
 
+    tconfig_load_gfx(XRDP_CFG_PATH "/gfx.toml", self->gfx_config);
+
     /* Remove a font loaded on the previous config */
     xrdp_font_delete(self->default_font);
     self->painter->font = NULL; /* May be set to the default_font */