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#include "common.effect"
uniform float4x4 ViewProj;
uniform texture2d image;
uniform texture2d source_image;
uniform float2 source_image_size;
uniform float2 mask_image_size;
uniform float2 mask_offset;
uniform float2 mask_position;
uniform float2 positional_offset;
uniform float mask_rotation;
uniform float4 channel_multipliers;
uniform float multiplier;
uniform bool invert;
uniform float threshold_value;
uniform float range_min;
uniform float range_max;
uniform float min_brightness;
uniform float max_brightness;
uniform float min_contrast;
uniform float max_contrast;
uniform float min_saturation;
uniform float max_saturation;
uniform float min_hue_shift;
uniform float max_hue_shift;
sampler_state textureSampler{
Filter = Linear;
AddressU = Clamp;
AddressV = Clamp;
MinLOD = 0;
MaxLOD = 0;
};
// <ADDR_U> and <ADDR_V> are template
// parameters that are replaced by filter code.
sampler_state tiledSampler{
Filter = Linear;
AddressU = <ADDR_U>;
AddressV = <ADDR_V>;
MinLOD = 0;
MaxLOD = 0;
BorderColor = 00000000;
};
struct VertData
{
float4 pos : POSITION;
float2 uv : TEXCOORD0;
};
VertData mainTransform(VertData v_in)
{
v_in.pos = mul(float4(v_in.pos.xyz, 1.0), ViewProj);
return v_in;
}
float4 alphaImage(VertData v_in) : TARGET
{
#ifdef MANUAL_SCALING
float2 coord = v_in.uv * source_image_size;
float2 mask_uv = (coord-mask_position);
mask_uv = float2(mask_uv.x * cos(mask_rotation) - mask_uv.y * sin(mask_rotation), mask_uv.x * sin(mask_rotation) + mask_uv.y * cos(mask_rotation));
mask_uv += positional_offset * mask_image_size;
mask_uv -= mask_offset;
mask_uv = mask_uv / mask_image_size;
float4 mask = source_image.Sample(tiledSampler, mask_uv);
#else
float4 mask = source_image.Sample(textureSampler, v_in.uv);
#endif
float alpha = multiplier * (mask.r * channel_multipliers.r + mask.g * channel_multipliers.g + mask.b * channel_multipliers.b + mask.a * channel_multipliers.a);
float4 color = image.Sample(textureSampler, v_in.uv);
return float4(color.rgb, color.a * (invert ? 1.0 - alpha : alpha));
}
float4 adjustmentsImage(VertData v_in) : TARGET
{
#ifdef MANUAL_SCALING
float2 coord = v_in.uv * source_image_size;
float2 mask_uv = (coord-mask_position);
mask_uv = float2(mask_uv.x * cos(mask_rotation) - mask_uv.y * sin(mask_rotation), mask_uv.x * sin(mask_rotation) + mask_uv.y * cos(mask_rotation));
mask_uv += positional_offset * mask_image_size;
mask_uv -= mask_offset;
mask_uv = mask_uv / mask_image_size;
float4 mask = source_image.Sample(tiledSampler, mask_uv);
#else
float4 mask = source_image.Sample(textureSampler, v_in.uv);
#endif
float scale = multiplier * (mask.r * channel_multipliers.r + mask.g * channel_multipliers.g + mask.b * channel_multipliers.b + mask.a * channel_multipliers.a);
scale = invert ? 1.0 - scale : scale;
float4 color = image.Sample(textureSampler, v_in.uv);
color = adjustments(
color,
lerp(min_brightness, max_brightness, scale),
lerp(min_contrast, max_contrast, scale),
lerp(min_saturation, max_saturation, scale),
lerp(min_hue_shift, max_hue_shift, scale)
);
return color;
}
float4 alphaThresholdImage(VertData v_in) : TARGET
{
#ifdef MANUAL_SCALING
float2 coord = v_in.uv * source_image_size;
float2 mask_uv = (coord-mask_position);
mask_uv = float2(mask_uv.x * cos(mask_rotation) - mask_uv.y * sin(mask_rotation), mask_uv.x * sin(mask_rotation) + mask_uv.y * cos(mask_rotation));
mask_uv += positional_offset * mask_image_size;
mask_uv -= mask_offset;
mask_uv = mask_uv / mask_image_size;
float4 mask = source_image.Sample(tiledSampler, mask_uv);
#else
float4 mask = source_image.Sample(textureSampler, v_in.uv);
#endif
float alpha = multiplier * (mask.r * channel_multipliers.r + mask.g * channel_multipliers.g + mask.b * channel_multipliers.b + mask.a * channel_multipliers.a);
alpha = step(threshold_value, alpha);
float4 color = image.Sample(textureSampler, v_in.uv);
return float4(color.rgb, color.a * (invert ? 1.0 - alpha : alpha));
}
float4 adjustmentsThresholdImage(VertData v_in) : TARGET
{
#ifdef MANUAL_SCALING
float2 coord = v_in.uv * source_image_size;
float2 mask_uv = (coord-mask_position);
mask_uv = float2(mask_uv.x * cos(mask_rotation) - mask_uv.y * sin(mask_rotation), mask_uv.x * sin(mask_rotation) + mask_uv.y * cos(mask_rotation));
mask_uv += positional_offset * mask_image_size;
mask_uv -= mask_offset;
mask_uv = mask_uv / mask_image_size;
float4 mask = source_image.Sample(tiledSampler, mask_uv);
#else
float4 mask = source_image.Sample(textureSampler, v_in.uv);
#endif
float scale = multiplier * (mask.r * channel_multipliers.r + mask.g * channel_multipliers.g + mask.b * channel_multipliers.b + mask.a * channel_multipliers.a);
scale = step(threshold_value, scale);
scale = invert ? 1.0 - scale : scale;
float4 color = image.Sample(textureSampler, v_in.uv);
color = adjustments(
color,
lerp(min_brightness, max_brightness, scale),
lerp(min_contrast, max_contrast, scale),
lerp(min_saturation, max_saturation, scale),
lerp(min_hue_shift, max_hue_shift, scale)
);
return color;
}
float4 alphaRangeImage(VertData v_in) : TARGET
{
#ifdef MANUAL_SCALING
float2 coord = v_in.uv * source_image_size;
float2 mask_uv = (coord-mask_position);
mask_uv = float2(mask_uv.x * cos(mask_rotation) - mask_uv.y * sin(mask_rotation), mask_uv.x * sin(mask_rotation) + mask_uv.y * cos(mask_rotation));
mask_uv += positional_offset * mask_image_size;
mask_uv -= mask_offset;
mask_uv = mask_uv / mask_image_size;
float4 mask = source_image.Sample(tiledSampler, mask_uv);
#else
float4 mask = source_image.Sample(textureSampler, v_in.uv);
#endif
float alpha = multiplier * (mask.r * channel_multipliers.r + mask.g * channel_multipliers.g + mask.b * channel_multipliers.b + mask.a * channel_multipliers.a);
alpha = smoothstep(range_min, range_max, alpha);
float4 color = image.Sample(textureSampler, v_in.uv);
return float4(color.rgb, color.a * (invert ? 1.0 - alpha : alpha));
}
float4 adjustmentsRangeImage(VertData v_in) : TARGET
{
#ifdef MANUAL_SCALING
float2 coord = v_in.uv * source_image_size;
float2 mask_uv = (coord-mask_position);
mask_uv = float2(mask_uv.x * cos(mask_rotation) - mask_uv.y * sin(mask_rotation), mask_uv.x * sin(mask_rotation) + mask_uv.y * cos(mask_rotation));
mask_uv += positional_offset * mask_image_size;
mask_uv -= mask_offset;
mask_uv = mask_uv / mask_image_size;
float4 mask = source_image.Sample(tiledSampler, mask_uv);
#else
float4 mask = source_image.Sample(textureSampler, v_in.uv);
#endif
float scale = multiplier * (mask.r * channel_multipliers.r + mask.g * channel_multipliers.g + mask.b * channel_multipliers.b + mask.a * channel_multipliers.a);
scale = smoothstep(range_min, range_max, scale);
scale = invert ? 1.0 - scale : scale;
float4 color = image.Sample(textureSampler, v_in.uv);
color = adjustments(
color,
lerp(min_brightness, max_brightness, scale),
lerp(min_contrast, max_contrast, scale),
lerp(min_saturation, max_saturation, scale),
lerp(min_hue_shift, max_hue_shift, scale)
);
return color;
}
technique Alpha
{
pass
{
vertex_shader = mainTransform(v_in);
pixel_shader = alphaImage(v_in);
}
}
technique Adjustments
{
pass
{
vertex_shader = mainTransform(v_in);
pixel_shader = adjustmentsImage(v_in);
}
}
technique AlphaThreshold
{
pass
{
vertex_shader = mainTransform(v_in);
pixel_shader = alphaThresholdImage(v_in);
}
}
technique AlphaRange
{
pass
{
vertex_shader = mainTransform(v_in);
pixel_shader = alphaRangeImage(v_in);
}
}
technique AdjustmentsThreshold
{
pass
{
vertex_shader = mainTransform(v_in);
pixel_shader = adjustmentsThresholdImage(v_in);
}
}
technique AdjustmentsRange
{
pass
{
vertex_shader = mainTransform(v_in);
pixel_shader = adjustmentsRangeImage(v_in);
}
}
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