From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Sat, 27 Dec 2025 12:03:39 -0800
Subject: Initial commit

---
 contrib/SDL-3.2.8/src/video/x11/edid.h | 191 +++++++++++++++++++++++++++++++++
 1 file changed, 191 insertions(+)
 create mode 100644 contrib/SDL-3.2.8/src/video/x11/edid.h

(limited to 'contrib/SDL-3.2.8/src/video/x11/edid.h')

diff --git a/contrib/SDL-3.2.8/src/video/x11/edid.h b/contrib/SDL-3.2.8/src/video/x11/edid.h
new file mode 100644
index 0000000..4581291
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/x11/edid.h
@@ -0,0 +1,191 @@
+/*
+ * Copyright 2007 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/* Author: Soren Sandmann <sandmann@redhat.com> */
+
+typedef unsigned char uchar;
+typedef struct MonitorInfo MonitorInfo;
+typedef struct Timing Timing;
+typedef struct DetailedTiming DetailedTiming;
+
+typedef enum
+{
+    UNDEFINED,
+    DVI,
+    HDMI_A,
+    HDMI_B,
+    MDDI,
+    DISPLAY_PORT
+} Interface;
+
+typedef enum
+{
+    UNDEFINED_COLOR,
+    MONOCHROME,
+    RGB,
+    OTHER_COLOR
+} ColorType;
+
+typedef enum
+{
+    NO_STEREO,
+    FIELD_RIGHT,
+    FIELD_LEFT,
+    TWO_WAY_RIGHT_ON_EVEN,
+    TWO_WAY_LEFT_ON_EVEN,
+    FOUR_WAY_INTERLEAVED,
+    SIDE_BY_SIDE
+} StereoType;
+
+struct Timing
+{
+    int width;
+    int height;
+    int frequency;
+};
+
+struct DetailedTiming
+{
+    int pixel_clock;
+    int h_addr;
+    int h_blank;
+    int h_sync;
+    int h_front_porch;
+    int v_addr;
+    int v_blank;
+    int v_sync;
+    int v_front_porch;
+    int width_mm;
+    int height_mm;
+    int right_border;
+    int top_border;
+    int interlaced;
+    StereoType stereo;
+
+    int digital_sync;
+    union
+    {
+        struct
+        {
+            int bipolar;
+            int serrations;
+            int sync_on_green;
+        } analog;
+
+        struct
+        {
+            int composite;
+            int serrations;
+            int negative_vsync;
+            int negative_hsync;
+        } digital;
+    } ad;
+};
+
+struct MonitorInfo
+{
+    int checksum;
+    char manufacturer_code[4];
+    int product_code;
+    unsigned int serial_number;
+
+    int production_week; // -1 if not specified
+    int production_year; // -1 if not specified
+    int model_year;      // -1 if not specified
+
+    int major_version;
+    int minor_version;
+
+    int is_digital;
+
+    union
+    {
+        struct
+        {
+            int bits_per_primary;
+            Interface interface;
+            int rgb444;
+            int ycrcb444;
+            int ycrcb422;
+        } digital;
+
+        struct
+        {
+            double video_signal_level;
+            double sync_signal_level;
+            double total_signal_level;
+
+            int blank_to_black;
+
+            int separate_hv_sync;
+            int composite_sync_on_h;
+            int composite_sync_on_green;
+            int serration_on_vsync;
+            ColorType color_type;
+        } analog;
+    } ad;
+
+    int width_mm;        // -1 if not specified
+    int height_mm;       // -1 if not specified
+    double aspect_ratio; // -1.0 if not specififed
+
+    double gamma; // -1.0 if not specified
+
+    int standby;
+    int suspend;
+    int active_off;
+
+    int srgb_is_standard;
+    int preferred_timing_includes_native;
+    int continuous_frequency;
+
+    double red_x;
+    double red_y;
+    double green_x;
+    double green_y;
+    double blue_x;
+    double blue_y;
+    double white_x;
+    double white_y;
+
+    Timing established[24]; // Terminated by 0x0x0
+    Timing standard[8];
+
+    int n_detailed_timings;
+    DetailedTiming detailed_timings[4]; /* If monitor has a preferred
+                                         * mode, it is the first one
+                                         * (whether it has, is
+                                         * determined by the
+                                         * preferred_timing_includes
+                                         * bit.
+                                         */
+
+    // Optional product description
+    char dsc_serial_number[14];
+    char dsc_product_name[14];
+    char dsc_string[14]; // Unspecified ASCII data
+};
+
+MonitorInfo *decode_edid(const uchar *data);
+void dump_monitor_info(MonitorInfo *info);
+char *make_display_name(const char *output_name,
+                        const MonitorInfo *info);
-- 
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