gstreamer/subprojects/gst-plugins-bad/sys/d3d12/hlsl/PSMain_snow.hlsl
Seungha Yang 7c701058ed d3d12: Add testsrc element
Adding testsrc element with d2d interop support via d3d11on12

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5875>
2024-01-02 13:02:46 +00:00

45 lines
1.2 KiB
HLSL

/* GStreamer
* Copyright (C) 2023 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
cbuffer SnowConstBuffer : register(b0)
{
float time;
float alpha;
};
struct PS_INPUT
{
float4 Position : SV_POSITION;
float2 Texture : TEXCOORD;
};
float get_rand (float2 uv)
{
return frac (sin (dot (uv, float2 (12.9898,78.233))) * 43758.5453);
}
float4 PSMain_snow (PS_INPUT input) : SV_Target
{
float4 output;
float val = get_rand (time * input.Texture);
output.rgb = float3(val, val, val);
output.a = alpha;
return output;
}