74 lines
3.2 KiB
GLSL
74 lines
3.2 KiB
GLSL
#version 460 core
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#extension GL_GOOGLE_include_directive : enable
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#define SMAA_RT_METRICS vec4(1.0 / 1280.0, 1.0 / 720.0, 1280.0, 720.0)
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#define SMAA_PRESET_ULTRA 1
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#define SMAA_GLSL_4 1
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#define SMAA_INCLUDE_VS 0
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#define SMAA_INCLUDE_PS 1
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#define SMAA_PREDICATION 1
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#define SMAA_FLIP_Y 0
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#include "smaa.glsl"
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layout(location = 0) in vec2 inUV;
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layout(location = 1) in vec4 inOffset;
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layout(location = 0) out vec4 outColor;
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layout(binding = 0) uniform sampler2D sceneSampler;
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layout(binding = 1) uniform sampler2D depthSampler;
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layout(binding = 2) uniform sampler2D nearFieldSampler;
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layout(binding = 3) uniform sampler2D farFieldSampler;
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layout(binding = 4) uniform sampler2D blendSampler;
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layout(binding = 5) uniform sampler2D sobelSampler;
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layout(push_constant) uniform PushConstants {
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vec4 viewport;
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} pushConstants;
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void main() {
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vec3 sceneColor = vec3(0);
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sceneColor = SMAANeighborhoodBlendingPS(inUV, inOffset, sceneSampler, blendSampler).rgb;
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// alpha divide reconstruction
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vec3 farColor = texture(farFieldSampler, inUV).rgb / max(texture(farFieldSampler, inUV).a, 0.0001) * 0.02;
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vec3 nearColor = texture(nearFieldSampler, inUV).rgb / max(texture(nearFieldSampler, inUV).a, 0.0001) * 0.02;
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// read coc stored in the alpha channel
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float coc = texture(farFieldSampler, inUV).a;
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// transistion between out of focus and regular scene
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vec3 farColorBlurred = mix(sceneColor, farColor, clamp(coc, 0.0, 1.0));
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// smoother transistion between the normal scene and the "out of focus" portions
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farColorBlurred = mix(sceneColor, farColorBlurred, clamp(0.5 * coc + 1.0, 0.0, 1.0));
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//float coc2 = texture(nearFieldSampler, inUV).a;
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//vec3 finalColor = mix(farColorBlurred, nearColor, clamp(clamp(-coc2 - 1.0, 0.0, 1.0) + texture(nearFieldSampler, inUV).a * 8.0, 0.0, 1.0));
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float thickness = 3.0;
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float thicknessX = thickness * pushConstants.viewport.x * (pushConstants.viewport.z / 1920.0);
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float thicknessY = thickness * pushConstants.viewport.y * (pushConstants.viewport.w / 1080.0);
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vec4 top = texture(sobelSampler, vec2(inUV.x, inUV.y + thicknessY));
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vec4 bottom = texture(sobelSampler, vec2(inUV.x, inUV.y - thicknessY));
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vec4 left = texture(sobelSampler, vec2(inUV.x - thicknessX, inUV.y));
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vec4 right = texture(sobelSampler, vec2(inUV.x + thicknessX, inUV.y));
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vec4 topLeft = texture(sobelSampler, vec2(inUV.x - thicknessX, inUV.y + thicknessY));
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vec4 topRight = texture(sobelSampler, vec2(inUV.x + thicknessX, inUV.y + thicknessY));
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vec4 bottomLeft = texture(sobelSampler, vec2(inUV.x - thicknessX, inUV.y - thicknessY));
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vec4 bottomRight = texture(sobelSampler, vec2(inUV.x + thicknessX, inUV.y - thicknessY));
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vec4 sx = -topLeft - 2 * left - bottomLeft + topRight + 2 * right + bottomRight;
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vec4 sy = -topLeft - 2 * top - topRight + bottomLeft + 2 * bottom + bottomRight;
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vec4 sobel = sqrt(sx * sx + sy * sy);
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sobel = clamp(sobel / 5.0, 0.0, 1.0);
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vec4 outlineColor = vec4(0.1, 0.5, 0.9, 1.0);
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outColor = vec4(farColorBlurred, 1.0);
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outColor = outlineColor*sobel + outColor*(1.0 - sobel);
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outColor += outlineColor * texture(sobelSampler, inUV) * 0.3;
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}
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