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separate SSE2 lossless functions into its own file

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expose the predictor array as function pointers instead
of each individual sub-function

+ merged Average2() into ClampedAddSubtractHalf directly
+ unified the signature as "VP8LProcessBlueAndRedFunc"

no speed diff observed

Change-Id: Ic3c45dff11884a8330a9ad38c2c8e82491c6e044
This commit is contained in:
skal
2014-03-27 21:43:21 +01:00
parent 514fc251df
commit 0f4f721b12
7 changed files with 373 additions and 296 deletions
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36
src/dsp/lossless.h
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@ -23,21 +23,14 @@ extern "C" {
#endif
//------------------------------------------------------------------------------
//
// Signatures and generic function-pointers
typedef uint32_t (*VP8LPredClampedAddSubFunc)(uint32_t c0, uint32_t c1,
uint32_t c2);
typedef uint32_t (*VP8LPredSelectFunc)(uint32_t c0, uint32_t c1, uint32_t c2);
typedef void (*VP8LSubtractGreenFromBlueAndRedFunc)(uint32_t* argb_data,
int num_pixs);
typedef void (*VP8LAddGreenToBlueAndRedFunc)(uint32_t* data_start,
const uint32_t* data_end);
typedef uint32_t (*VP8LPredictorFunc)(uint32_t left, const uint32_t* const top);
extern VP8LPredictorFunc VP8LPredictors[16];
extern VP8LPredClampedAddSubFunc VP8LClampedAddSubtractFull;
extern VP8LPredClampedAddSubFunc VP8LClampedAddSubtractHalf;
extern VP8LPredSelectFunc VP8LSelect;
extern VP8LSubtractGreenFromBlueAndRedFunc VP8LSubtractGreenFromBlueAndRed;
extern VP8LAddGreenToBlueAndRedFunc VP8LAddGreenToBlueAndRed;
typedef void (*VP8LProcessBlueAndRedFunc)(uint32_t* argb_data, int num_pixels);
extern VP8LProcessBlueAndRedFunc VP8LSubtractGreenFromBlueAndRed;
extern VP8LProcessBlueAndRedFunc VP8LAddGreenToBlueAndRed;
typedef void (*VP8LConvertFunc)(const uint32_t* src, int num_pixels,
uint8_t* dst);
@ -47,6 +40,23 @@ extern VP8LConvertFunc VP8LConvertBGRAToRGBA4444;
extern VP8LConvertFunc VP8LConvertBGRAToRGB565;
extern VP8LConvertFunc VP8LConvertBGRAToBGR;
extern void VP8LDspInitSSE2(void);
// Expose some C-only fallback functions
extern void VP8LConvertBGRAToRGB_C(const uint32_t* src,
int num_pixels, uint8_t* dst);
extern void VP8LConvertBGRAToRGBA_C(const uint32_t* src,
int num_pixels, uint8_t* dst);
extern void VP8LConvertBGRAToRGBA4444_C(const uint32_t* src,
int num_pixels, uint8_t* dst);
extern void VP8LConvertBGRAToRGB565_C(const uint32_t* src,
int num_pixels, uint8_t* dst);
extern void VP8LConvertBGRAToBGR_C(const uint32_t* src,
int num_pixels, uint8_t* dst);
extern void VP8LSubtractGreenFromBlueAndRed_C(uint32_t* argb_data,
int num_pixels);
extern void VP8LAddGreenToBlueAndRed_C(uint32_t* data, int num_pixels);
// Must be called before calling any of the above methods.
void VP8LDspInit(void);