diff options
Diffstat (limited to 'workspaces/main/shaders/cnn_v2/cnn_v2_static.wgsl')
| -rw-r--r-- | workspaces/main/shaders/cnn_v2/cnn_v2_static.wgsl | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/workspaces/main/shaders/cnn_v2/cnn_v2_static.wgsl b/workspaces/main/shaders/cnn_v2/cnn_v2_static.wgsl deleted file mode 100644 index 309e832..0000000 --- a/workspaces/main/shaders/cnn_v2/cnn_v2_static.wgsl +++ /dev/null @@ -1,75 +0,0 @@ -// CNN v2 Static Features Compute Shader -// Generates 8D parametric features: [p0, p1, p2, p3, uv.x, uv.y, sin20_y, bias] -// p0-p3: Parametric features from specified mip level (0=mip0, 1=mip1, 2=mip2, 3=mip3) -// Note: Input image RGBD (mip0) fed separately to Layer 0 -// -// TODO: Binary format should support arbitrary layout and ordering for feature vector (7D). -// Current layout is hardcoded. Future versions should allow runtime-specified -// feature combinations (e.g., [R, G, B, dx, dy, uv_x, bias] or custom encodings). - -struct StaticFeatureParams { - mip_level: u32, - padding0: u32, - padding1: u32, - padding2: u32, -} - -@group(0) @binding(0) var input_tex: texture_2d<f32>; -@group(0) @binding(1) var input_tex_mip1: texture_2d<f32>; -@group(0) @binding(2) var input_tex_mip2: texture_2d<f32>; -@group(0) @binding(3) var depth_tex: texture_2d<f32>; -@group(0) @binding(4) var output_tex: texture_storage_2d<rgba32uint, write>; -@group(0) @binding(5) var<uniform> params: StaticFeatureParams; -@group(0) @binding(6) var linear_sampler: sampler; - -@compute @workgroup_size(8, 8) -fn main(@builtin(global_invocation_id) id: vec3<u32>) { - let coord = vec2<i32>(id.xy); - let dims = textureDimensions(input_tex); - - if (coord.x >= i32(dims.x) || coord.y >= i32(dims.y)) { - return; - } - - // Parametric features (p0-p3) - bilinear sample from specified mip level - // Use UV coordinates for bilinear interpolation - // Note: Use textureSampleLevel (not textureSample) in compute shaders - let uv = (vec2<f32>(coord) + 0.5) / vec2<f32>(dims); - var rgba: vec4<f32>; - if (params.mip_level == 0u) { - rgba = textureSampleLevel(input_tex, linear_sampler, uv, 0.0); - } else if (params.mip_level == 1u) { - rgba = textureSampleLevel(input_tex_mip1, linear_sampler, uv, 0.0); - } else if (params.mip_level == 2u) { - rgba = textureSampleLevel(input_tex_mip2, linear_sampler, uv, 0.0); - } else { - // Mip 3 or higher: use mip 2 as fallback - rgba = textureSampleLevel(input_tex_mip2, linear_sampler, uv, 0.0); - } - - let p0 = rgba.r; - let p1 = rgba.g; - let p2 = rgba.b; - let p3 = textureLoad(depth_tex, coord, 0).r; - - // UV coordinates (normalized [0,1], top-left origin - matches training) - let uv_x = f32(coord.x) / f32(dims.x); - let uv_y = f32(coord.y) / f32(dims.y); - - // Multi-frequency position encoding - let sin20_y = sin(20.0 * uv_y); - - // Bias dimension (always 1.0) - let bias = 1.0; - - // Pack 8×f16 into 4×u32 (rgba32uint) - // [p0, p1, p2, p3, uv_x, uv_y, sin20_y, bias] - let packed = vec4<u32>( - pack2x16float(vec2<f32>(p0, p1)), - pack2x16float(vec2<f32>(p2, p3)), - pack2x16float(vec2<f32>(uv_x, uv_y)), - pack2x16float(vec2<f32>(sin20_y, bias)) - ); - - textureStore(output_tex, coord, packed); -} |
