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Hide garbage in Game Boy borders

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Alex Janka 2023-10-12 13:00:35 +11:00
parent aa4a1adbb5
commit 408bcd8ea8
1 changed files with 20 additions and 3 deletions
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23
handheld/console-border/shader-files/gb-pass1.slang
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@ -6,7 +6,8 @@ layout(push_constant) uniform Push
vec4 OriginalSize;
vec4 SourceSize;
float blending_mode;
float adjacent_texel_alpha_blending;
float adjacent_texel_alpha_blending;
float video_scale;
} registers;
layout(std140, set = 0, binding = 0) uniform UBO
@ -65,6 +66,8 @@ layout(location = 8) out vec2 blur_coords_downright;
layout(location = 9) out vec2 blur_coords_downleft;
layout(location = 10) out vec2 blur_coords_lower_bound;
layout(location = 11) out vec2 blur_coords_upper_bound;
layout(location = 12) out vec2 lcd_bounds_upleft;
layout(location = 13) out vec2 lcd_bounds_downright;
void main()
{
@ -83,6 +86,10 @@ void main()
blur_coords_lower_bound = vec2(0.0);
blur_coords_upper_bound = texel * (registers.OutputSize.xy - vec2(2.0));
vec2 half_lcd_size = vec2(0.5) * ((registers.OriginalSize.xy * vec2(registers.video_scale)) / registers.OutputSize.xy);
lcd_bounds_upleft = vec2(0.5) - half_lcd_size;
lcd_bounds_downright = vec2(0.5) + half_lcd_size;
}
////////////////////////////////////////////////////////////////////////////////
@ -102,6 +109,8 @@ layout(location = 8) in vec2 blur_coords_downright;
layout(location = 9) in vec2 blur_coords_downleft;
layout(location = 10) in vec2 blur_coords_lower_bound;
layout(location = 11) in vec2 blur_coords_upper_bound;
layout(location = 12) in vec2 lcd_bounds_upleft;
layout(location = 13) in vec2 lcd_bounds_downright;
layout(location = 0) out vec4 FragColor;
layout(set = 0, binding = 2) uniform sampler2D Source;
@ -193,9 +202,17 @@ vec4 blend_all_mode(vec4 out_color)
void main()
{
vec4 out_color = texture(Source, vTexCoord).rgba;
vec4 blended;
if(registers.blending_mode == 1.0)
FragColor = blend_all_mode(out_color);
blended = blend_all_mode(out_color);
else
FragColor = blend_gap_mode(out_color);
blended = blend_gap_mode(out_color);
if ((vTexCoord.x < lcd_bounds_upleft.x) || (vTexCoord.x > lcd_bounds_downright.x) || (vTexCoord.y < lcd_bounds_upleft.y) || (vTexCoord.y > lcd_bounds_downright.y))
{
blended = vec4(0.0);
}
FragColor = blended;
}