mirror of
https://github.com/italicsjenga/slang-shaders.git
synced 2024-11-24 00:21:31 +11:00
76 lines
2.9 KiB
Plaintext
76 lines
2.9 KiB
Plaintext
#version 450
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// //
|
|
// Copyright (C) 2017 - Brad Parker //
|
|
// //
|
|
// This program is free software: you can redistribute it and/or modify //
|
|
// it under the terms of the GNU General Public License as published by //
|
|
// the Free Software Foundation, either version 3 of the License, or //
|
|
// (at your option) any later version. //
|
|
// //
|
|
// This program 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 General Public License for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
// //
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
layout(push_constant) uniform Push
|
|
{
|
|
vec4 SourceSize;
|
|
vec4 OriginalSize;
|
|
vec4 OutputSize;
|
|
uint FrameCount;
|
|
} params;
|
|
|
|
layout(std140, set = 0, binding = 0) uniform UBO
|
|
{
|
|
mat4 MVP;
|
|
} global;
|
|
|
|
// Largest integer scale of input video that will fit in the current output (y axis would typically be limiting on widescreens)
|
|
#define video_scale floor(params.OutputSize.y * params.SourceSize.w)
|
|
|
|
// Size of the scaled video
|
|
//#define scaled_video_out (params.SourceSize.xy * vec2(video_scale))
|
|
|
|
//it's... half a pixel
|
|
#define half_pixel (vec2(0.5) * params.OutputSize.zw)
|
|
|
|
#pragma stage vertex
|
|
layout(location = 0) in vec4 Position;
|
|
layout(location = 1) in vec2 TexCoord;
|
|
layout(location = 0) out vec2 vTexCoord;
|
|
layout(location = 1) out vec2 dot_size;
|
|
layout(location = 2) out vec2 one_texel;
|
|
|
|
void main()
|
|
{
|
|
gl_Position = global.MVP * Position;
|
|
vTexCoord = TexCoord;
|
|
vec2 scaled_video_out = (params.SourceSize.xy * vec2(video_scale));
|
|
dot_size = params.SourceSize.zw;
|
|
one_texel = 1.0 / (params.SourceSize.xy * video_scale);
|
|
}
|
|
|
|
#pragma stage fragment
|
|
layout(location = 0) in vec2 vTexCoord;
|
|
layout(location = 1) in vec2 dot_size;
|
|
layout(location = 2) in vec2 one_texel;
|
|
layout(location = 0) out vec4 FragColor;
|
|
layout(set = 0, binding = 2) uniform sampler2D Source;
|
|
layout(set = 0, binding = 3) uniform sampler2D MASK;
|
|
|
|
#define maskSize vec2(2., floor(params.OutputSize.y / params.SourceSize.y + 0.000001))
|
|
|
|
#define curr_rgb texture(Source, vTexCoord)
|
|
#define mask_rgb texture(MASK, fract((vTexCoord.xy * params.OutputSize.xy) / maskSize))
|
|
|
|
void main()
|
|
{
|
|
FragColor = mask_rgb * curr_rgb;
|
|
} |