alex/slang-shaders
1
0
Fork 0
mirror of https://github.com/italicsjenga/slang-shaders.git synced 2024-11-22 07:41:31 +11:00
Code Issues Packages Projects Releases Wiki Activity

add parameters and push constants to ntsc-gauss-pass

Browse source
This commit is contained in:
hunterk 2016-08-02 11:30:14 -05:00
parent 18bcb94089
commit 806e5fe46c
1 changed files with 17 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
ntsc/shaders/ntsc-gauss-pass.slang
View file

@ -1,16 +1,22 @@
#version 450
layout(push_constant) uniform Push
{
vec4 OutputSize;
vec4 OriginalSize;
vec4 SourceSize;
uint FrameCount;
float NTSC_CRT_GAMMA;
float NTSC_DISPLAY_GAMMA;
} registers;
layout(std140, set = 0, binding = 0) uniform UBO
{
mat4 MVP;
vec4 OutputSize;
vec4 OriginalSize;
vec4 SourceSize;
uint FrameCount;
mat4 MVP;
} global;
#define NTSC_CRT_GAMMA 2.5
#define NTSC_DISPLAY_GAMMA 2.1
#pragma parameter NTSC_CRT_GAMMA "NTSC CRT Gamma" 2.5 0.0 10.0 0.1
#pragma parameter NTSC_DISPLAY_GAMMA "NTSC Display Gamma" 2.1 0.0 10.0 0.1
#pragma stage vertex
layout(location = 0) in vec4 Position;
@ -23,8 +29,8 @@ void main()
{
gl_Position = global.MVP * Position;
vTexCoord = TexCoord;
pix_no = TexCoord * global.SourceSize.xy;
one = 1.0 / global.SourceSize.xy;
pix_no = TexCoord * registers.SourceSize.xy;
one = 1.0 / registers.SourceSize.xy;
}
#pragma stage fragment
@ -34,7 +40,7 @@ layout(location = 2) in vec2 pix_no;
layout(location = 0) out vec4 FragColor;
layout(set = 0, binding = 2) uniform sampler2D Source;
#define TEX(off) pow(texture(Source, vTexCoord + vec2(0.0, (off) * one.y)).rgb, vec3(NTSC_CRT_GAMMA))
#define TEX(off) pow(texture(Source, vTexCoord + vec2(0.0, (off) * one.y)).rgb, vec3(registers.NTSC_CRT_GAMMA))
void main()
@ -58,5 +64,5 @@ void main()
scanline += frame3 * exp(-5.0 * dist3 * dist3);
scanline += frame4 * exp(-5.0 * dist4 * dist4);
FragColor = vec4(pow(1.15 * scanline, vec3(1.0 / NTSC_DISPLAY_GAMMA)), 1.0);
FragColor = vec4(pow(1.15 * scanline, vec3(1.0 / registers.NTSC_DISPLAY_GAMMA)), 1.0);
}