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Add SSE2 function for Inverse Cross-color Transform

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Lossless decoding is now ~3% faster.

Change-Id: Idafb5c73e5cfb272cc3661d841f79971f9da0743
This commit is contained in:
Urvang Joshi
2014-04-01 15:52:25 -07:00
parent 26029568b7
commit d4813f0cb2
3 changed files with 144 additions and 66 deletions
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14
src/dsp/lossless.h
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@ -32,6 +32,17 @@ typedef void (*VP8LProcessBlueAndRedFunc)(uint32_t* argb_data, int num_pixels);
extern VP8LProcessBlueAndRedFunc VP8LSubtractGreenFromBlueAndRed;
extern VP8LProcessBlueAndRedFunc VP8LAddGreenToBlueAndRed;
typedef struct {
// Note: the members are uint8_t, so that any negative values are
// automatically converted to "mod 256" values.
uint8_t green_to_red_;
uint8_t green_to_blue_;
uint8_t red_to_blue_;
} VP8LMultipliers;
typedef void (*VP8LTransformColorFunc)(const VP8LMultipliers* const m,
uint32_t* argb_data, int num_pixels);
extern VP8LTransformColorFunc VP8LTransformColorInverse;
typedef void (*VP8LConvertFunc)(const uint32_t* src, int num_pixels,
uint8_t* dst);
extern VP8LConvertFunc VP8LConvertBGRAToRGB;
@ -41,6 +52,9 @@ extern VP8LConvertFunc VP8LConvertBGRAToRGB565;
extern VP8LConvertFunc VP8LConvertBGRAToBGR;
// Expose some C-only fallback functions
extern void VP8LTransformColorInverse_C(
const VP8LMultipliers* const m, uint32_t* data, int num_pixels);
extern void VP8LConvertBGRAToRGB_C(const uint32_t* src,
int num_pixels, uint8_t* dst);
extern void VP8LConvertBGRAToRGBA_C(const uint32_t* src,