diff options
Diffstat (limited to 'src/3rdparty/libwebp/src/dsp/alpha_processing_mips_dsp_r2.c')
| -rw-r--r-- | src/3rdparty/libwebp/src/dsp/alpha_processing_mips_dsp_r2.c | 55 |
1 files changed, 48 insertions, 7 deletions
diff --git a/src/3rdparty/libwebp/src/dsp/alpha_processing_mips_dsp_r2.c b/src/3rdparty/libwebp/src/dsp/alpha_processing_mips_dsp_r2.c index c631d78..e0dc91b 100644 --- a/src/3rdparty/libwebp/src/dsp/alpha_processing_mips_dsp_r2.c +++ b/src/3rdparty/libwebp/src/dsp/alpha_processing_mips_dsp_r2.c @@ -12,13 +12,13 @@ // Author(s): Branimir Vasic (branimir.vasic@imgtec.com) // Djordje Pesut (djordje.pesut@imgtec.com) -#include "./dsp.h" +#include "src/dsp/dsp.h" #if defined(WEBP_USE_MIPS_DSP_R2) -static int DispatchAlpha(const uint8_t* alpha, int alpha_stride, - int width, int height, - uint8_t* dst, int dst_stride) { +static int DispatchAlpha_MIPSdspR2(const uint8_t* alpha, int alpha_stride, + int width, int height, + uint8_t* dst, int dst_stride) { uint32_t alpha_mask = 0xffffffff; int i, j, temp0; @@ -79,7 +79,8 @@ static int DispatchAlpha(const uint8_t* alpha, int alpha_stride, return (alpha_mask != 0xff); } -static void MultARGBRow(uint32_t* const ptr, int width, int inverse) { +static void MultARGBRow_MIPSdspR2(uint32_t* const ptr, int width, + int inverse) { int x; const uint32_t c_00ffffff = 0x00ffffffu; const uint32_t c_ff000000 = 0xff000000u; @@ -124,14 +125,54 @@ static void MultARGBRow(uint32_t* const ptr, int width, int inverse) { } } +static void PackRGB_MIPSdspR2(const uint8_t* r, const uint8_t* g, + const uint8_t* b, int len, int step, + uint32_t* out) { + int temp0, temp1, temp2, offset; + const int rest = len & 1; + const int a = 0xff; + const uint32_t* const loop_end = out + len - rest; + __asm__ volatile ( + "xor %[offset], %[offset], %[offset] \n\t" + "beq %[loop_end], %[out], 0f \n\t" + "2: \n\t" + "lbux %[temp0], %[offset](%[r]) \n\t" + "lbux %[temp1], %[offset](%[g]) \n\t" + "lbux %[temp2], %[offset](%[b]) \n\t" + "ins %[temp0], %[a], 16, 16 \n\t" + "ins %[temp2], %[temp1], 16, 16 \n\t" + "addiu %[out], %[out], 4 \n\t" + "precr.qb.ph %[temp0], %[temp0], %[temp2] \n\t" + "sw %[temp0], -4(%[out]) \n\t" + "addu %[offset], %[offset], %[step] \n\t" + "bne %[loop_end], %[out], 2b \n\t" + "0: \n\t" + "beq %[rest], $zero, 1f \n\t" + "lbux %[temp0], %[offset](%[r]) \n\t" + "lbux %[temp1], %[offset](%[g]) \n\t" + "lbux %[temp2], %[offset](%[b]) \n\t" + "ins %[temp0], %[a], 16, 16 \n\t" + "ins %[temp2], %[temp1], 16, 16 \n\t" + "precr.qb.ph %[temp0], %[temp0], %[temp2] \n\t" + "sw %[temp0], 0(%[out]) \n\t" + "1: \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [offset]"=&r"(offset), [out]"+&r"(out) + : [a]"r"(a), [r]"r"(r), [g]"r"(g), [b]"r"(b), [step]"r"(step), + [loop_end]"r"(loop_end), [rest]"r"(rest) + : "memory" + ); +} + //------------------------------------------------------------------------------ // Entry point extern void WebPInitAlphaProcessingMIPSdspR2(void); WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessingMIPSdspR2(void) { - WebPDispatchAlpha = DispatchAlpha; - WebPMultARGBRow = MultARGBRow; + WebPDispatchAlpha = DispatchAlpha_MIPSdspR2; + WebPMultARGBRow = MultARGBRow_MIPSdspR2; + WebPPackRGB = PackRGB_MIPSdspR2; } #else // !WEBP_USE_MIPS_DSP_R2 |