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doc: move vdd specs to docs

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Nguyen Duy
2024-12-19 17:52:28 +07:00
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README.md
+14 -72
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@@ -149,13 +149,14 @@ the monitor specs. So the solution is to modify this block in the driver DLL
### 2. Custom resolutions
Before connecting, the virtual display looks in the
`HKEY_LOCAL_MACHINE\SOFTWARE\Parsec\vdd` registry for additional preset
resolutions. Currently this supports a maximum of 5 values.
Before connecting, the virtual display looks in the `HKLM\SOFTWARE\Parsec\vdd`
registry for additional preset resolutions. Currently this supports a maximum of
5 values.
```
SOFTWARE\Parsec\vdd
key: 0 -> 5 | (width, height, hz)
```yaml
HKLM\SOFTWARE\Parsec\vdd:
- key: [0 -> 5]
value: { width, height, hz }
```
To unlock this limit, you need to patch the driver DLL the same way as above,
@@ -213,79 +214,20 @@ to check the minimum supported Windows version.
## 📘 Parsec VDD Specs
### Preset display modes
Common preset display modes:
All of the following display modes are set by driver default.
| Resolution | Common name | Aspect ratio | Refresh rates (Hz) |
| --------------- | :---------: | :----------------: | :------------------: |
| 4096 x 2160 | DCI 4K | 1.90:1 (256:135) | 24/30/60/144/240 |
| Resolution | Common Name | Aspect Ratio | Refresh Rates (Hz) |
| ----------- | ----------- | ------------ | ------------------ |
| 3840 x 2160 | 4K UHD | 16:9 | 24/30/60/144/240 |
| 3840 x 1600 | UltraWide | 24:10 | 24/30/60/144/240 |
| 3840 x 1080 | UltraWide | 32:9 (2x 16:9 FHD) | 24/30/60/144/240 |
| 3440 x 1440 | | 21.5:9 (43:18) | 24/30/60/144/240 |
| 3240 x 2160 | | 3:2 | 60 |
| 3200 x 1800 | 3K | 16:9 | 24/30/60/144/240 |
| 3000 x 2000 | | 3:2 | 60 |
| 2880 x 1800 | 2.8K | 16:10 | 60 |
| 2880 x 1620 | 2.8K | 16:9 | 24/30/60/144/240 |
| 2736 x 1824 | | | 60 |
| 2560 x 1600 | 2K | 16:10 | 24/30/60/144/240 |
| 3440 x 1440 | UltraWide | 21.5:9 | 24/30/60/144/240 |
| 2560 x 1440 | 2K | 16:9 | 24/30/60/144/240 |
| 2560 x 1080 | UltraWide | 21:9 | 24/30/60/144/240 |
| 2496 x 1664 | | | 60 |
| 2256 x 1504 | | | 60 |
| 2048 x 1152 | | | 60/144/240 |
| 1920 x 1200 | FHD | 16:10 | 60/144/240 |
| **1920 x 1080** | **FHD** | **16:9** | 24/30/**60**/144/240 |
| 1800 x 1200 | FHD | 3:2 | 60 |
| 1680 x 1050 | HD+ | 16:10 | 60/144/240 |
| 1600 x 1200 | HD+ | 4:3 | 24/30/60/144/240 |
| 1920 x 1080 | FHD | 16:9 | 24/30/60/144/240 |
| 1600 x 900 | HD+ | 16:9 | 60/144/240 |
| 1440 x 900 | HD | 16:10 | 60/144/240 |
| 1366 x 768 | | | 60/144/240 |
| 1280 x 800 | HD | 16:10 | 60/144/240 |
| 1280 x 720 | HD | 16:9 | 60/144/240 |
Notes:
- Low GPUs, e.g GTX 1650 may get bugged when streaming with DCI 4K.
- All resolutions are compatible with 60 Hz refresh rates.
### Adapter info
- Name: `Parsec Virtual Display Adapter`
- Hardware ID: `Root\Parsec\VDA`
- Adapter GUID: `{00b41627-04c4-429e-a26e-0265cf50c8fa}`
- Class GUID: `{4d36e968-e325-11ce-bfc1-08002be10318}`
### Monitor info
- ID: `PSCCDD0`
- Name: `ParsecVDA`
- EDID:
```
00 FF FF FF FF FF FF 00 42 63 D0 CD ED 5F 84 00
11 1E 01 04 A5 35 1E 78 3B 57 E0 A5 54 4F 9D 26
12 50 54 27 CF 00 71 4F 81 80 81 40 81 C0 81 00
95 00 B3 00 01 01 86 6F 80 A0 70 38 40 40 30 20
35 00 E0 0E 11 00 00 1A 00 00 00 FD 00 30 A5 C1
C1 29 01 0A 20 20 20 20 20 20 00 00 00 FC 00 50
61 72 73 65 63 56 44 41 0A 20 20 20 00 00 00 10
00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 C6
02 03 10 00 4B 90 05 04 03 02 01 11 12 13 14 1F
8A 4D 80 A0 70 38 2C 40 30 20 35 00 E0 0E 11 00
00 1A FE 5B 80 A0 70 38 35 40 30 20 35 00 E0 0E
11 00 00 1A FC 7E 80 88 70 38 12 40 18 20 35 00
E0 0E 11 00 00 1E A4 9C 80 A0 70 38 59 40 30 20
35 00 E0 0E 11 00 00 1A 02 3A 80 18 71 38 2D 40
58 2C 45 00 E0 0E 11 00 00 1E 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 A6
```
Visit http://www.edidreader.com/ to view it online or use an advanced tool
[AW EDID Editor](https://www.analogway.com/apac/products/software-tools/aw-edid-editor/).
Check out [docs/PARSEC_VDD_SPECS](./docs/PARSEC_VDD_SPECS.md) to see full of
preset display modes the driver specs.
## 🤝 Sponsors
docs/PARSEC_VDD_SPECS.md
+114
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@@ -0,0 +1,114 @@
# Parsec VDD Specs
This document provides detailed specifications for the Parsec Virtual Display
Driver (VDD). It includes information about the preset display modes, adapter,
monitor and common usage scenarios.
## Preset display modes
All of the following display modes are set by driver default.
| Resolution | Common Name | Aspect Ratio | Refresh Rates (Hz) |
| --------------- | :---------: | :----------------: | :------------------: |
| 4096 x 2160 | DCI 4K | 1.90:1 (256:135) | 24/30/60/144/240 |
| 3840 x 2160 | 4K UHD | 16:9 | 24/30/60/144/240 |
| 3840 x 1600 | UltraWide | 24:10 | 24/30/60/144/240 |
| 3840 x 1080 | UltraWide | 32:9 (2x 16:9 FHD) | 24/30/60/144/240 |
| 3440 x 1440 | | 21.5:9 (43:18) | 24/30/60/144/240 |
| 3240 x 2160 | | 3:2 | 60 |
| 3200 x 1800 | 3K | 16:9 | 24/30/60/144/240 |
| 3000 x 2000 | | 3:2 | 60 |
| 2880 x 1800 | 2.8K | 16:10 | 60 |
| 2880 x 1620 | 2.8K | 16:9 | 24/30/60/144/240 |
| 2736 x 1824 | | | 60 |
| 2560 x 1600 | 2K | 16:10 | 24/30/60/144/240 |
| 2560 x 1440 | 2K | 16:9 | 24/30/60/144/240 |
| 2560 x 1080 | UltraWide | 21:9 | 24/30/60/144/240 |
| 2496 x 1664 | | | 60 |
| 2256 x 1504 | | | 60 |
| 2048 x 1152 | | | 60/144/240 |
| 1920 x 1200 | FHD | 16:10 | 60/144/240 |
| **1920 x 1080** | **FHD** | **16:9** | 24/30/**60**/144/240 |
| 1800 x 1200 | FHD | 3:2 | 60 |
| 1680 x 1050 | HD+ | 16:10 | 60/144/240 |
| 1600 x 1200 | HD+ | 4:3 | 24/30/60/144/240 |
| 1600 x 900 | HD+ | 16:9 | 60/144/240 |
| 1440 x 900 | HD | 16:10 | 60/144/240 |
| 1366 x 768 | | | 60/144/240 |
| 1280 x 800 | HD | 16:10 | 60/144/240 |
| 1280 x 720 | HD | 16:9 | 60/144/240 |
Notes:
- Default display mode is 1920 x 1080 @ 60 Hz.
- All resolutions are compatible with 60 Hz.
- Low GPU such as GTX 1650 may get bugged when streaming in DCI 4K.
To add more display modes (up to 5), check out this
[official guide](https://support.parsec.app/hc/en-us/articles/32361359271444-VDD-Advanced-Configuration)
from Parsec.
## Driver implementation
- Type: user mode
- IddCx version: 1.4 or 1.5
- IO control codes:
```c
// add monitor
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x800 + 1, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
// remove monitor
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x800 + 2, METHOD_BUFFERED, FILE_WRITE_ACCESS)
// update timing
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x800 + 3, METHOD_BUFFERED, FILE_WRITE_ACCESS)
// query version
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x800 + 4, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
// set preferred adapter LUID
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x800 + 5, METHOD_BUFFERED, FILE_WRITE_ACCESS)
```
## Adapter info
| Property | Value |
| ------------ | ---------------------------------------- |
| Name | `Parsec Virtual Display Adapter` |
| Hardware ID | `Root\Parsec\VDA` |
| Class GUID | `{4d36e968-e325-11ce-bfc1-08002be10318}` |
| Adapter GUID | `{00b41627-04c4-429e-a26e-0265cf50c8fa}` |
## Monitor info
| Property | Value |
| -------- | ------------------------ |
| ID | `PSCCDD0` |
| Name | `ParsecVDA` |
| EDID | (see the hex code below) |
```
00 FF FF FF FF FF FF 00 42 63 D0 CD ED 5F 84 00
11 1E 01 04 A5 35 1E 78 3B 57 E0 A5 54 4F 9D 26
12 50 54 27 CF 00 71 4F 81 80 81 40 81 C0 81 00
95 00 B3 00 01 01 86 6F 80 A0 70 38 40 40 30 20
35 00 E0 0E 11 00 00 1A 00 00 00 FD 00 30 A5 C1
C1 29 01 0A 20 20 20 20 20 20 00 00 00 FC 00 50
61 72 73 65 63 56 44 41 0A 20 20 20 00 00 00 10
00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 C6
02 03 10 00 4B 90 05 04 03 02 01 11 12 13 14 1F
8A 4D 80 A0 70 38 2C 40 30 20 35 00 E0 0E 11 00
00 1A FE 5B 80 A0 70 38 35 40 30 20 35 00 E0 0E
11 00 00 1A FC 7E 80 88 70 38 12 40 18 20 35 00
E0 0E 11 00 00 1E A4 9C 80 A0 70 38 59 40 30 20
35 00 E0 0E 11 00 00 1A 02 3A 80 18 71 38 2D 40
58 2C 45 00 E0 0E 11 00 00 1E 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 A6
```
Notes:
- Visit [edidreader.com](http://www.edidreader.com/) to view it online or use an
advanced tool
[AW EDID Editor](https://www.analogway.com/apac/products/software-tools/aw-edid-editor/).
- The EDID could be used to replace HDMI dongle's EDID to get better display
timing. Use
[EDID Writer](https://www.monitortests.com/forum/Thread-EDID-DisplayID-Writer)
to replace.