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add option to blend in linear gamma

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hunterk 2017-06-16 22:06:35 -05:00
parent f0bcd4ad50
commit 04996b80cc
1 changed files with 34 additions and 22 deletions
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56
dithering/shaders/mdapt/passes/mdapt-pass4.slang
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@ -17,19 +17,48 @@ layout(push_constant) uniform Push
float VL;
float CB;
float DEBUG;
float linear_gamma;
} params;
#pragma parameter VL "MDAPT Vertical Lines" 0.0 0.0 1.0 1.0
#pragma parameter CB "MDAPT Checkerboard" 1.0 0.0 1.0 1.0
#pragma parameter DEBUG "MDAPT Adjust View" 0.0 0.0 1.0 1.0
#pragma parameter linear_gamma "MDAPT Linear Gamma Blend" 0.0 0.0 1.0 1.0
layout(std140, set = 0, binding = 0) uniform UBO
{
mat4 MVP;
} global;
#define TEX(dx,dy) texture(Source, vTexCoord+vec2((dx),(dy))*params.SourceSize.zw)
#define TEXt0(dx,dy) texture(Original, vTexCoord+vec2((dx),(dy))*params.SourceSize.zw)
#pragma stage vertex
layout(location = 0) in vec4 Position;
layout(location = 1) in vec2 TexCoord;
layout(location = 0) out vec2 vTexCoord;
void main()
{
gl_Position = global.MVP * Position;
vTexCoord = TexCoord;
}
#pragma stage fragment
layout(location = 0) in vec2 vTexCoord;
layout(location = 0) out vec4 FragColor;
layout(set = 0, binding = 2) uniform sampler2D Source;
layout(set = 0, binding = 3) uniform sampler2D Original;
//#define TEX(dx,dy) texture(Source, vTexCoord+vec2((dx),(dy))*params.SourceSize.zw)
//#define TEXt0(dx,dy) texture(Original, vTexCoord+vec2((dx),(dy))*params.SourceSize.zw)
vec4 TEX(float dx, float dy){
if(params.linear_gamma > 0.5) return pow(texture(Source, vTexCoord+vec2((dx),(dy))*params.SourceSize.zw), vec4(2.2));
else return texture(Source, vTexCoord+vec2((dx),(dy))*params.SourceSize.zw);
}
vec4 TEXt0(float dx, float dy){
if(params.linear_gamma > 0.5) return pow(texture(Original, vTexCoord+vec2((dx),(dy))*params.SourceSize.zw), vec4(2.2));
else return texture(Original, vTexCoord+vec2((dx),(dy))*params.SourceSize.zw);
}
bool eq(vec3 A, vec3 B){
return (A == B);
@ -59,23 +88,6 @@ vec2 or(vec2 a, vec2 b, vec2 c, vec2 d){
return max(a, max(b, max(c,d)));
}
#pragma stage vertex
layout(location = 0) in vec4 Position;
layout(location = 1) in vec2 TexCoord;
layout(location = 0) out vec2 vTexCoord;
void main()
{
gl_Position = global.MVP * Position;
vTexCoord = TexCoord;
}
#pragma stage fragment
layout(location = 0) in vec2 vTexCoord;
layout(location = 0) out vec4 FragColor;
layout(set = 0, binding = 2) uniform sampler2D Source;
layout(set = 0, binding = 3) uniform sampler2D Original;
void main()
{
/*
@ -142,9 +154,9 @@ void main()
prCB = or(C.y, and(L.y, eqCL), and(R.y, eqCR), and(U.y, eqCU), and(D.y, eqCD), and(UL, float(eq(c,ul))), and(UR, float(eq(c,ur))), and(DL, float(eq(c,dl))), and(DR, float(eq(c,dr))));
}
if(params.DEBUG > 0.5)
FragColor = vec4(prVL, prCB, 0.0, 0.0);
FragColor = (prCB >= prVL) ? vec4(mix(c, fCB, prCB), 1.0) : vec4(mix(c, fVL, prVL), 1.0);
}
vec4 final = (prCB >= prVL) ? vec4(mix(c, fCB, prCB), 1.0) : vec4(mix(c, fVL, prVL), 1.0);
FragColor = (params.linear_gamma > 0.5) ? pow(final, vec4(1.0 / 2.2)) : final;
}