mirror of
https://github.com/webmproject/libwebp.git
synced 2025-07-19 07:20:02 +02:00
Remove the argb* files.
Half of the functionality was duplicated. The rest is about the alpha channel handling so we might as well put it in the appropriate file. Change-Id: I8d5ef0afce82cc4842ab7132fd97995c42e6140a
This commit is contained in:
@ -124,6 +124,45 @@ 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
|
||||
|
||||
@ -132,6 +171,7 @@ extern void WebPInitAlphaProcessingMIPSdspR2(void);
|
||||
WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessingMIPSdspR2(void) {
|
||||
WebPDispatchAlpha = DispatchAlpha;
|
||||
WebPMultARGBRow = MultARGBRow;
|
||||
WebPPackRGB = PackRGB_MIPSdspR2;
|
||||
}
|
||||
|
||||
#else // !WEBP_USE_MIPS_DSP_R2
|
||||
|
Reference in New Issue
Block a user