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softgpu: Better approximate slope mip level mode (#16276)

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* samplerjit: Remove unused x/y parameters.

Still need to tune the accuracy of filtering, but those were not the
right way.

* softgpu: Better approximate slope mip level mode.

This isn't exactly right, but it's closer.

* softgpu: Calculate auto from largest difference.

Direction shouldn't matter.
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2022-10-23 01:15:43 -07:00
committed by GitHub
parent 813bfded92
commit 79b1d1d35f
6 changed files with 94 additions and 94 deletions
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GPU/Software/Sampler.h
+2 -2
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@@ -36,10 +36,10 @@ namespace Sampler {
typedef Rasterizer::Vec4IntResult(SOFTRAST_CALL *FetchFunc)(int u, int v, const u8 *tptr, int bufw, int level, const SamplerID &samplerID);
FetchFunc GetFetchFunc(SamplerID id);
typedef Rasterizer::Vec4IntResult (SOFTRAST_CALL *NearestFunc)(float s, float t, int x, int y, Rasterizer::Vec4IntArg prim_color, const u8 *const *tptr, const uint16_t *bufw, int level, int levelFrac, const SamplerID &samplerID);
typedef Rasterizer::Vec4IntResult (SOFTRAST_CALL *NearestFunc)(float s, float t, Rasterizer::Vec4IntArg prim_color, const u8 *const *tptr, const uint16_t *bufw, int level, int levelFrac, const SamplerID &samplerID);
NearestFunc GetNearestFunc(SamplerID id);
typedef Rasterizer::Vec4IntResult (SOFTRAST_CALL *LinearFunc)(float s, float t, int x, int y, Rasterizer::Vec4IntArg prim_color, const u8 *const *tptr, const uint16_t *bufw, int level, int levelFrac, const SamplerID &samplerID);
typedef Rasterizer::Vec4IntResult (SOFTRAST_CALL *LinearFunc)(float s, float t, Rasterizer::Vec4IntArg prim_color, const u8 *const *tptr, const uint16_t *bufw, int level, int levelFrac, const SamplerID &samplerID);
LinearFunc GetLinearFunc(SamplerID id);
void Init();