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Remove memcpy in lossless decoding.

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Change-Id: Iba694b306486d67764e2fc5576c98a974c9b886c
This commit is contained in:
Vincent Rabaud
2016-11-24 17:45:22 +01:00
parent 7474d46e45
commit 71e2f5cadf
8 changed files with 151 additions and 112 deletions
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61
src/dsp/lossless_msa.c
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@ -244,44 +244,51 @@ static void ConvertBGRAToRGB(const uint32_t* src,
}
}
static void AddGreenToBlueAndRed(uint32_t* data, int num_pixels) {
static void AddGreenToBlueAndRed(const uint32_t* const src, int num_pixels,
uint32_t* dst) {
int i;
uint8_t* ptemp_data = (uint8_t*)data;
const uint8_t* in = (const uint8_t*)src;
uint8_t* out = (uint8_t*)dst;
v16u8 src0, dst0, tmp0;
const v16u8 mask = { 1, 255, 1, 255, 5, 255, 5, 255, 9, 255, 9, 255,
13, 255, 13, 255 };
while (num_pixels >= 8) {
v16u8 src1, dst1, tmp1;
LD_UB2(ptemp_data, 16, src0, src1);
LD_UB2(in, 16, src0, src1);
VSHF_B2_UB(src0, src1, src1, src0, mask, mask, tmp0, tmp1);
ADD2(src0, tmp0, src1, tmp1, dst0, dst1);
ST_UB2(dst0, dst1, ptemp_data, 16);
ptemp_data += 32;
ST_UB2(dst0, dst1, out, 16);
in += 32;
out += 32;
num_pixels -= 8;
}
if (num_pixels > 0) {
if (num_pixels >= 4) {
src0 = LD_UB(ptemp_data);
src0 = LD_UB(in);
tmp0 = VSHF_UB(src0, src0, mask);
dst0 = src0 + tmp0;
ST_UB(dst0, ptemp_data);
ptemp_data += 16;
ST_UB(dst0, out);
in += 16;
out += 16;
num_pixels -= 4;
}
for (i = 0; i < num_pixels; i++) {
const uint8_t b = ptemp_data[0];
const uint8_t g = ptemp_data[1];
const uint8_t r = ptemp_data[2];
ptemp_data[0] = (b + g) & 0xff;
ptemp_data[2] = (r + g) & 0xff;
ptemp_data += 4;
const uint8_t b = in[0];
const uint8_t g = in[1];
const uint8_t r = in[2];
out[0] = (b + g) & 0xff;
out[1] = g;
out[2] = (r + g) & 0xff;
out[4] = in[4];
out += 4;
}
}
}
static void TransformColorInverse(const VP8LMultipliers* const m,
uint32_t* data, int num_pixels) {
const uint32_t* src, int num_pixels,
uint32_t* dst) {
v16u8 src0, dst0;
const v16i8 g2br = (v16i8)__msa_fill_w(m->green_to_blue_ |
(m->green_to_red_ << 16));
@ -293,34 +300,36 @@ static void TransformColorInverse(const VP8LMultipliers* const m,
while (num_pixels >= 8) {
v16u8 src1, dst1;
LD_UB2(data, 4, src0, src1);
LD_UB2(src, 4, src0, src1);
TRANSFORM_COLOR_INVERSE_8(src0, src1, dst0, dst1, g2br, r2b, mask0, mask1);
ST_UB2(dst0, dst1, data, 4);
data += 8;
ST_UB2(dst0, dst1, dst, 4);
src += 8;
dst += 8;
num_pixels -= 8;
}
if (num_pixels > 0) {
if (num_pixels >= 4) {
src0 = LD_UB(data);
src0 = LD_UB(src);
TRANSFORM_COLOR_INVERSE_4(src0, dst0, g2br, r2b, mask0, mask1);
ST_UB(dst0, data);
data += 4;
ST_UB(dst0, dst);
src += 4;
dst += 4;
num_pixels -= 4;
}
if (num_pixels > 0) {
src0 = LD_UB(data);
src0 = LD_UB(src);
TRANSFORM_COLOR_INVERSE_4(src0, dst0, g2br, r2b, mask0, mask1);
if (num_pixels == 3) {
const uint64_t pix_d = __msa_copy_s_d((v2i64)dst0, 0);
const uint32_t pix_w = __msa_copy_s_w((v4i32)dst0, 2);
SD(pix_d, data + 0);
SW(pix_w, data + 2);
SD(pix_d, dst + 0);
SW(pix_w, dst + 2);
} else if (num_pixels == 2) {
const uint64_t pix_d = __msa_copy_s_d((v2i64)dst0, 0);
SD(pix_d, data);
SD(pix_d, dst);
} else {
const uint32_t pix_w = __msa_copy_s_w((v4i32)dst0, 0);
SW(pix_w, data);
SW(pix_w, dst);
}
}
}