49 lines
1.2 KiB
Plaintext
49 lines
1.2 KiB
Plaintext
shader_type spatial;
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render_mode blend_mix,
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cull_disabled,
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depth_prepass_alpha,
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shadows_disabled,
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specular_disabled,
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vertex_lighting;
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global uniform bool affine_mapping = false;
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global uniform ivec2 jitter_resolution = ivec2(320, 240);
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uniform sampler2D albedo : source_color, filter_nearest;
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uniform float alpha_scissor : hint_range(0, 1) = 0.5;
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vec4 snap_to_position(vec4 base_position)
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{
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vec4 snapped_position = base_position;
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snapped_position.xyz = base_position.xyz / base_position.w;
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vec2 snap_resulotion = floor(vec2(jitter_resolution));
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snapped_position.x = floor(snap_resulotion.x * snapped_position.x) / snap_resulotion.x;
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snapped_position.y = floor(snap_resulotion.y * snapped_position.y) / snap_resulotion.y;
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snapped_position.xyz *= base_position.w;
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return snapped_position;
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}
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void vertex()
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{
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vec4 snapped_position = snap_to_position(PROJECTION_MATRIX * MODELVIEW_MATRIX * vec4(VERTEX, 1.0));
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if (affine_mapping)
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{
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POSITION = snapped_position;
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POSITION /= abs(POSITION.w);
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}
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else
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{
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POSITION = snapped_position;
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}
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}
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void fragment()
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{
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vec4 color_base = COLOR;
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vec4 texture_color = texture(albedo, UV);
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ALBEDO = (color_base * texture_color).rgb;
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ALPHA = texture_color.a * color_base.a;
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ALPHA_SCISSOR_THRESHOLD = alpha_scissor;
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} |