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Diffstat (limited to 'src/3rdparty/libwebp/src/dsp/argb_mips_dsp_r2.c')
| -rw-r--r-- | src/3rdparty/libwebp/src/dsp/argb_mips_dsp_r2.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/3rdparty/libwebp/src/dsp/argb_mips_dsp_r2.c b/src/3rdparty/libwebp/src/dsp/argb_mips_dsp_r2.c new file mode 100644 index 0000000..af65acb --- /dev/null +++ b/src/3rdparty/libwebp/src/dsp/argb_mips_dsp_r2.c @@ -0,0 +1,110 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// ARGB making functions (mips version). +// +// Author: Djordje Pesut (djordje.pesut@imgtec.com) + +#include "./dsp.h" + +#if defined(WEBP_USE_MIPS_DSP_R2) + +static void PackARGB(const uint8_t* a, const uint8_t* r, const uint8_t* g, + const uint8_t* b, int len, uint32_t* out) { + int temp0, temp1, temp2, temp3, offset; + const int rest = len & 1; + const uint32_t* const loop_end = out + len - rest; + const int step = 4; + __asm__ volatile ( + "xor %[offset], %[offset], %[offset] \n\t" + "beq %[loop_end], %[out], 0f \n\t" + "2: \n\t" + "lbux %[temp0], %[offset](%[a]) \n\t" + "lbux %[temp1], %[offset](%[r]) \n\t" + "lbux %[temp2], %[offset](%[g]) \n\t" + "lbux %[temp3], %[offset](%[b]) \n\t" + "ins %[temp1], %[temp0], 16, 16 \n\t" + "ins %[temp3], %[temp2], 16, 16 \n\t" + "addiu %[out], %[out], 4 \n\t" + "precr.qb.ph %[temp0], %[temp1], %[temp3] \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](%[a]) \n\t" + "lbux %[temp1], %[offset](%[r]) \n\t" + "lbux %[temp2], %[offset](%[g]) \n\t" + "lbux %[temp3], %[offset](%[b]) \n\t" + "ins %[temp1], %[temp0], 16, 16 \n\t" + "ins %[temp3], %[temp2], 16, 16 \n\t" + "precr.qb.ph %[temp0], %[temp1], %[temp3] \n\t" + "sw %[temp0], 0(%[out]) \n\t" + "1: \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [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" + ); +} + +static void PackRGB(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 VP8EncDspARGBInitMIPSdspR2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspARGBInitMIPSdspR2(void) { + VP8PackARGB = PackARGB; + VP8PackRGB = PackRGB; +} + +#else // !WEBP_USE_MIPS_DSP_R2 + +WEBP_DSP_INIT_STUB(VP8EncDspARGBInitMIPSdspR2) + +#endif // WEBP_USE_MIPS_DSP_R2 |