Make rectangle_fs.wgsl compile on chrome despite angle/mesa bug (#3931)
#5074
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emilk
approved these changes
Feb 7, 2024
| /// Loads an RGBA texel from a texture holding an NV12 encoded image at the given screen space coordinates. | ||
| fn decode_nv12(texture: texture_2d<u32>, coords: vec2i) -> vec4f { | ||
| /// Loads an RGBA texel from a texture holding an NV12 or YUY2 encoded image at the given screen space coordinates. | ||
| fn decode_nv12_or_yuy2(sample_type: u32, texture: texture_2d<u32>, coords: vec2i) -> vec4f { |
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it surprises me that combining these two into one function did much difference
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Yeah -- this was the final tweak that got things to work :-(
Wumpf
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Feb 7, 2024
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what Emil said. Disastrous but will do - you once again managed to not regress us, but we won't be able to hold this up for much longer.
We did not report this so far since we weren't able to break this down well enough - when building an application from javascript that uses the translated glsl shader everything works. But we have to get to the bottom of this
| let y = f32(textureLoad(texture, vec2u(coords), 0).r); | ||
| let u = f32(textureLoad(texture, vec2u(u32(uv_col), uv_offset + uv_row), 0).r); | ||
| let v = f32(textureLoad(texture, vec2u((u32(uv_col) + 1u), uv_offset + uv_row), 0).r); | ||
| // WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! |
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are you sure these are enough WARNING!? 😆
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Let's make sure we test this new shader properly before merging! |
Confirmed both nv12/yuy2 working on both native and web. |
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rectangle_fs.wgsl compile on chrome despite angle/mesa bug (#3931)
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What
When we added support for YUY2 format in (#4877) we we re-triggered the issue originally originally reported in #3931 and now #5073
Checklist
mainbuild: app.rerun.ionightlybuild: app.rerun.io