813
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debian/patches/06-ubuntu-simplify-ls-shaders.patch : Radically simplify (and generalize) the linear sampling gaussian blur shader programs by calculating the coordinates normalized by texture by width or height in the setup. Express these as x,y vectors. Apply them as simply as possible in the shader to save shader instructions. Also see that the offsets are given to the shader in order, providing much improved locality of memory access. This alone causes much time savings as the hardware can have subsequent memory locations cached--which is impossible when going from, e.g., texture coordinate (0,-9) directly to (0, 9). Instead the order is (0, -9), (0, -8)...(0, 0), (0, 1)... (0, 8), (0, 9). Fixes lp: #1167018
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John S Gruber |
10 years ago
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812
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John S Gruber |
10 years ago
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811
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Automatic PS uploade... |
10 years ago
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810
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Łukasz 'sil2100' Zem... |
10 years ago
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809
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Stephen M. Webb |
10 years ago
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808
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Automatic PS uploade... |
10 years ago
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807
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Brandon Schaefer |
10 years ago
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806
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Automatic PS uploade... |
10 years ago
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805
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Kevin DuBois |
10 years ago
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804
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Automatic PS uploade... |
10 years ago
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803
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Marco Trevisan (Trev... |
10 years ago
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802
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Marco Trevisan (Trev... |
10 years ago
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801
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Stephen M. Webb |
10 years ago
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800
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Automatic PS uploade... |
10 years ago
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799
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Marco Trevisan (Trev... |
10 years ago
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798
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Automatic PS uploade... |
10 years ago
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797
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Marco Trevisan (Trev... |
10 years ago
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796
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Marco Trevisan (Trev... |
10 years ago
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795
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Marco Trevisan (Trev... |
10 years ago
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794
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Automatic PS uploade... |
10 years ago
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