43 lines
1.0 KiB
Plaintext
43 lines
1.0 KiB
Plaintext
#define NEAR_PLANE (0.01f)
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[[vk::binding(0, 1)]]
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cbuffer camera {
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row_major float4x4 view_projection_matrix;
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};
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[[vk::binding(1, 1)]]
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cbuffer constants {
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int2 drag_start;
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int2 mouse;
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float2 grid_offset;
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int grid_width;
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int map_width;
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};
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extension<T: ITexelElement, int format> Sampler2D<T, 0, format> {
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T PixelArtSample(float2 location) {
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float2 texture_size;
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this.GetDimensions(texture_size.x, texture_size.y);
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float2 uv = location * texture_size;
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uv = floor(uv) + min(fract(uv) / fwidth(uv), 1.0) - 0.5;
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uv /= texture_size;
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return this.Sample(uv);
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}
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}
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extension<T: ITexelElement, int format> Sampler2DArray<T, 0, format> {
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T PixelArtSample(float3 location) {
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float3 texture_size;
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this.GetDimensions(texture_size.x, texture_size.y, texture_size.z);
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float2 uv = location.xy * texture_size.xy;
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uv = floor(uv) + min(fract(uv) / fwidth(uv), 1.0) - 0.5;
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uv /= texture_size.xy;
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return this.Sample(float3(uv, location.z));
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}
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}
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