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|
/*
* Copyright 2014 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkBitmapProcState.h"
#include "SkBitmapScaler.h"
#include "SkColorPriv.h"
#include "SkPaint.h"
#include "SkUtils.h"
static void SI8_D16_nofilter_DX_mips_dsp(const SkBitmapProcState& s,
const uint32_t* SK_RESTRICT xy,
int count, uint16_t* SK_RESTRICT colors) {
SkASSERT(count > 0 && colors != NULL);
SkASSERT(s.fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask));
SkASSERT(SkPaint::kNone_FilterLevel == s.fFilterLevel);
const uint16_t* SK_RESTRICT table = s.fBitmap->getColorTable()->lock16BitCache();
const uint8_t* SK_RESTRICT srcAddr = (const uint8_t*)s.fBitmap->getPixels();
SkASSERT((unsigned)xy[0] < (unsigned)s.fBitmap->height());
srcAddr = (const uint8_t*)((const char*)srcAddr + xy[0] * s.fBitmap->rowBytes());
uint8_t src;
if (1 == s.fBitmap->width()) {
src = srcAddr[0];
uint16_t dstValue = table[src];
sk_memset16(colors, dstValue, count);
} else {
int count8;
const uint16_t* SK_RESTRICT xx = (const uint16_t*)(xy + 1);
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
".set noat \n\t"
"sra %[count8], %[count], 3 \n\t"
"beqz %[count8], 3f \n\t"
" addiu %[count8], %[count8], -1 \n\t"
"1: \n\t"
"beqz %[count8], 2f \n\t"
" addiu %[count8], %[count8], -1 \n\t"
"pref 0, 16(%[xx]) \n\t"
"lhu $t0, 0(%[xx]) \n\t"
"lhu $t1, 2(%[xx]) \n\t"
"lhu $t2, 4(%[xx]) \n\t"
"lhu $t3, 6(%[xx]) \n\t"
"lhu $t4, 8(%[xx]) \n\t"
"lhu $t5, 10(%[xx]) \n\t"
"lhu $t6, 12(%[xx]) \n\t"
"lhu $t7, 14(%[xx]) \n\t"
"pref 0, 8(%[srcAddr]) \n\t"
"lbux $t0, $t0(%[srcAddr]) \n\t"
"lbux $t1, $t1(%[srcAddr]) \n\t"
"lbux $t2, $t2(%[srcAddr]) \n\t"
"lbux $t3, $t3(%[srcAddr]) \n\t"
"lbux $t4, $t4(%[srcAddr]) \n\t"
"lbux $t5, $t5(%[srcAddr]) \n\t"
"lbux $t6, $t6(%[srcAddr]) \n\t"
"lbux $t7, $t7(%[srcAddr]) \n\t"
"addu $t0, $t0, $t0 \n\t"
"addu $t1, $t1, $t1 \n\t"
"addu $t2, $t2, $t2 \n\t"
"addu $t3, $t3, $t3 \n\t"
"addu $t4, $t4, $t4 \n\t"
"addu $t5, $t5, $t5 \n\t"
"addu $t6, $t6, $t6 \n\t"
"addu $t7, $t7, $t7 \n\t"
"pref 0, 16(%[table]) \n\t"
"lhx $t0, $t0(%[table]) \n\t"
"lhx $t1, $t1(%[table]) \n\t"
"lhx $t2, $t2(%[table]) \n\t"
"lhx $t3, $t3(%[table]) \n\t"
"lhx $t4, $t4(%[table]) \n\t"
"lhx $t5, $t5(%[table]) \n\t"
"lhx $t6, $t6(%[table]) \n\t"
"lhx $t7, $t7(%[table]) \n\t"
"sh $t0, 0(%[colors]) \n\t"
"sh $t1, 2(%[colors]) \n\t"
"sh $t2, 4(%[colors]) \n\t"
"sh $t3, 6(%[colors]) \n\t"
"sh $t4, 8(%[colors]) \n\t"
"sh $t5, 10(%[colors]) \n\t"
"sh $t6, 12(%[colors]) \n\t"
"sh $t7, 14(%[colors]) \n\t"
"addiu %[xx], %[xx], 16 \n\t"
"bgtz %[count8], 1b \n\t"
" addiu %[colors], %[colors], 16 \n\t"
"2: \n\t"
"lhu $t0, 0(%[xx]) \n\t"
"lhu $t1, 2(%[xx]) \n\t"
"lhu $t2, 4(%[xx]) \n\t"
"lhu $t3, 6(%[xx]) \n\t"
"lhu $t4, 8(%[xx]) \n\t"
"lhu $t5, 10(%[xx]) \n\t"
"lhu $t6, 12(%[xx]) \n\t"
"lhu $t7, 14(%[xx]) \n\t"
"lbux $t0, $t0(%[srcAddr]) \n\t"
"lbux $t1, $t1(%[srcAddr]) \n\t"
"lbux $t2, $t2(%[srcAddr]) \n\t"
"lbux $t3, $t3(%[srcAddr]) \n\t"
"lbux $t4, $t4(%[srcAddr]) \n\t"
"lbux $t5, $t5(%[srcAddr]) \n\t"
"lbux $t6, $t6(%[srcAddr]) \n\t"
"lbux $t7, $t7(%[srcAddr]) \n\t"
"addu $t0, $t0, $t0 \n\t"
"addu $t1, $t1, $t1 \n\t"
"addu $t2, $t2, $t2 \n\t"
"addu $t3, $t3, $t3 \n\t"
"addu $t4, $t4, $t4 \n\t"
"addu $t5, $t5, $t5 \n\t"
"addu $t6, $t6, $t6 \n\t"
"addu $t7, $t7, $t7 \n\t"
"lhx $t0, $t0(%[table]) \n\t"
"lhx $t1, $t1(%[table]) \n\t"
"lhx $t2, $t2(%[table]) \n\t"
"lhx $t3, $t3(%[table]) \n\t"
"lhx $t4, $t4(%[table]) \n\t"
"lhx $t5, $t5(%[table]) \n\t"
"lhx $t6, $t6(%[table]) \n\t"
"lhx $t7, $t7(%[table]) \n\t"
"sh $t0, 0(%[colors]) \n\t"
"sh $t1, 2(%[colors]) \n\t"
"sh $t2, 4(%[colors]) \n\t"
"sh $t3, 6(%[colors]) \n\t"
"sh $t4, 8(%[colors]) \n\t"
"sh $t5, 10(%[colors]) \n\t"
"sh $t6, 12(%[colors]) \n\t"
"sh $t7, 14(%[colors]) \n\t"
"addiu %[xx], %[xx], 16 \n\t"
"addiu %[colors], %[colors], 16 \n\t"
"3: \n\t"
".set pop \n\t"
: [xx]"+r"(xx), [count8]"=&r"(count8), [colors]"+r"(colors)
: [table]"r"(table), [srcAddr]"r"(srcAddr), [count]"r"(count)
: "memory","t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"
);
for (int i = (count & 7); i > 0; --i) {
src = srcAddr[*xx++]; *colors++ = table[src];
}
}
s.fBitmap->getColorTable()->unlock16BitCache();
}
static void SI8_opaque_D32_nofilter_DX_mips_dsp(const SkBitmapProcState& s,
const uint32_t* SK_RESTRICT xy,
int count, SkPMColor* SK_RESTRICT colors) {
SkASSERT(count > 0 && colors != NULL);
SkASSERT(s.fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask));
SkASSERT(SkPaint::kNone_FilterLevel == s.fFilterLevel);
const SkPMColor* SK_RESTRICT table = s.fBitmap->getColorTable()->lockColors();
const uint8_t* SK_RESTRICT srcAddr = (const uint8_t*)s.fBitmap->getPixels();
srcAddr = (const uint8_t*)((const char*)srcAddr + xy[0] * s.fBitmap->rowBytes());
if (1 == s.fBitmap->width()) {
uint8_t src = srcAddr[0];
SkPMColor dstValue = table[src];
sk_memset32(colors, dstValue, count);
} else {
const uint16_t* xx = (const uint16_t*)(xy + 1);
int s0, s1, s2, s3, s4, s5, s6, s7;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
".set noat \n\t"
"srl $t8, %[count], 4 \n\t"
"beqz $t8, 3f \n\t"
" nop \n\t"
"1: \n\t"
"addiu $t8, $t8, -1 \n\t"
"beqz $t8, 2f \n\t"
" addiu %[count], %[count], -16 \n\t"
"pref 0, 32(%[xx]) \n\t"
"lhu $t0, 0(%[xx]) \n\t"
"lhu $t1, 2(%[xx]) \n\t"
"lhu $t2, 4(%[xx]) \n\t"
"lhu $t3, 6(%[xx]) \n\t"
"lhu $t4, 8(%[xx]) \n\t"
"lhu $t5, 10(%[xx]) \n\t"
"lhu $t6, 12(%[xx]) \n\t"
"lhu $t7, 14(%[xx]) \n\t"
"lhu %[s0], 16(%[xx]) \n\t"
"lhu %[s1], 18(%[xx]) \n\t"
"lhu %[s2], 20(%[xx]) \n\t"
"lhu %[s3], 22(%[xx]) \n\t"
"lhu %[s4], 24(%[xx]) \n\t"
"lhu %[s5], 26(%[xx]) \n\t"
"lhu %[s6], 28(%[xx]) \n\t"
"lhu %[s7], 30(%[xx]) \n\t"
"lbux $t0, $t0(%[srcAddr]) \n\t"
"lbux $t1, $t1(%[srcAddr]) \n\t"
"lbux $t2, $t2(%[srcAddr]) \n\t"
"lbux $t3, $t3(%[srcAddr]) \n\t"
"lbux $t4, $t4(%[srcAddr]) \n\t"
"lbux $t5, $t5(%[srcAddr]) \n\t"
"lbux $t6, $t6(%[srcAddr]) \n\t"
"lbux $t7, $t7(%[srcAddr]) \n\t"
"lbux %[s0], %[s0](%[srcAddr]) \n\t"
"lbux %[s1], %[s1](%[srcAddr]) \n\t"
"lbux %[s2], %[s2](%[srcAddr]) \n\t"
"lbux %[s3], %[s3](%[srcAddr]) \n\t"
"lbux %[s4], %[s4](%[srcAddr]) \n\t"
"lbux %[s5], %[s5](%[srcAddr]) \n\t"
"lbux %[s6], %[s6](%[srcAddr]) \n\t"
"lbux %[s7], %[s7](%[srcAddr]) \n\t"
"sll $t0, $t0, 2 \n\t"
"sll $t1, $t1, 2 \n\t"
"sll $t2, $t2, 2 \n\t"
"sll $t3, $t3, 2 \n\t"
"sll $t4, $t4, 2 \n\t"
"sll $t5, $t5, 2 \n\t"
"sll $t6, $t6, 2 \n\t"
"sll $t7, $t7, 2 \n\t"
"sll %[s0], %[s0], 2 \n\t"
"sll %[s1], %[s1], 2 \n\t"
"sll %[s2], %[s2], 2 \n\t"
"sll %[s3], %[s3], 2 \n\t"
"sll %[s4], %[s4], 2 \n\t"
"sll %[s5], %[s5], 2 \n\t"
"sll %[s6], %[s6], 2 \n\t"
"sll %[s7], %[s7], 2 \n\t"
"pref 0, 64(%[table]) \n\t"
"lwx $t0, $t0(%[table]) \n\t"
"lwx $t1, $t1(%[table]) \n\t"
"lwx $t2, $t2(%[table]) \n\t"
"lwx $t3, $t3(%[table]) \n\t"
"lwx $t4, $t4(%[table]) \n\t"
"lwx $t5, $t5(%[table]) \n\t"
"lwx $t6, $t6(%[table]) \n\t"
"lwx $t7, $t7(%[table]) \n\t"
"lwx %[s0], %[s0](%[table]) \n\t"
"lwx %[s1], %[s1](%[table]) \n\t"
"lwx %[s2], %[s2](%[table]) \n\t"
"lwx %[s3], %[s3](%[table]) \n\t"
"lwx %[s4], %[s4](%[table]) \n\t"
"lwx %[s5], %[s5](%[table]) \n\t"
"lwx %[s6], %[s6](%[table]) \n\t"
"lwx %[s7], %[s7](%[table]) \n\t"
"pref 30, 64(%[colors]) \n\t"
"sw $t0, 0(%[colors]) \n\t"
"sw $t1, 4(%[colors]) \n\t"
"sw $t2, 8(%[colors]) \n\t"
"sw $t3, 12(%[colors]) \n\t"
"sw $t4, 16(%[colors]) \n\t"
"sw $t5, 20(%[colors]) \n\t"
"sw $t6, 24(%[colors]) \n\t"
"sw $t7, 28(%[colors]) \n\t"
"sw %[s0], 32(%[colors]) \n\t"
"sw %[s1], 36(%[colors]) \n\t"
"sw %[s2], 40(%[colors]) \n\t"
"sw %[s3], 44(%[colors]) \n\t"
"sw %[s4], 48(%[colors]) \n\t"
"sw %[s5], 52(%[colors]) \n\t"
"sw %[s6], 56(%[colors]) \n\t"
"sw %[s7], 60(%[colors]) \n\t"
"addiu %[xx], %[xx], 32 \n\t"
"b 1b \n\t"
" addiu %[colors], %[colors], 64 \n\t"
"2: \n\t"
"lhu $t0, 0(%[xx]) \n\t"
"lhu $t1, 2(%[xx]) \n\t"
"lhu $t2, 4(%[xx]) \n\t"
"lhu $t3, 6(%[xx]) \n\t"
"lhu $t4, 8(%[xx]) \n\t"
"lhu $t5, 10(%[xx]) \n\t"
"lhu $t6, 12(%[xx]) \n\t"
"lhu $t7, 14(%[xx]) \n\t"
"lhu %[s0], 16(%[xx]) \n\t"
"lhu %[s1], 18(%[xx]) \n\t"
"lhu %[s2], 20(%[xx]) \n\t"
"lhu %[s3], 22(%[xx]) \n\t"
"lhu %[s4], 24(%[xx]) \n\t"
"lhu %[s5], 26(%[xx]) \n\t"
"lhu %[s6], 28(%[xx]) \n\t"
"lhu %[s7], 30(%[xx]) \n\t"
"lbux $t0, $t0(%[srcAddr]) \n\t"
"lbux $t1, $t1(%[srcAddr]) \n\t"
"lbux $t2, $t2(%[srcAddr]) \n\t"
"lbux $t3, $t3(%[srcAddr]) \n\t"
"lbux $t4, $t4(%[srcAddr]) \n\t"
"lbux $t5, $t5(%[srcAddr]) \n\t"
"lbux $t6, $t6(%[srcAddr]) \n\t"
"lbux $t7, $t7(%[srcAddr]) \n\t"
"lbux %[s0], %[s0](%[srcAddr]) \n\t"
"lbux %[s1], %[s1](%[srcAddr]) \n\t"
"lbux %[s2], %[s2](%[srcAddr]) \n\t"
"lbux %[s3], %[s3](%[srcAddr]) \n\t"
"lbux %[s4], %[s4](%[srcAddr]) \n\t"
"lbux %[s5], %[s5](%[srcAddr]) \n\t"
"lbux %[s6], %[s6](%[srcAddr]) \n\t"
"lbux %[s7], %[s7](%[srcAddr]) \n\t"
"sll $t0, $t0, 2 \n\t"
"sll $t1, $t1, 2 \n\t"
"sll $t2, $t2, 2 \n\t"
"sll $t3, $t3, 2 \n\t"
"sll $t4, $t4, 2 \n\t"
"sll $t5, $t5, 2 \n\t"
"sll $t6, $t6, 2 \n\t"
"sll $t7, $t7, 2 \n\t"
"sll %[s0], %[s0], 2 \n\t"
"sll %[s1], %[s1], 2 \n\t"
"sll %[s2], %[s2], 2 \n\t"
"sll %[s3], %[s3], 2 \n\t"
"sll %[s4], %[s4], 2 \n\t"
"sll %[s5], %[s5], 2 \n\t"
"sll %[s6], %[s6], 2 \n\t"
"sll %[s7], %[s7], 2 \n\t"
"lwx $t0, $t0(%[table]) \n\t"
"lwx $t1, $t1(%[table]) \n\t"
"lwx $t2, $t2(%[table]) \n\t"
"lwx $t3, $t3(%[table]) \n\t"
"lwx $t4, $t4(%[table]) \n\t"
"lwx $t5, $t5(%[table]) \n\t"
"lwx $t6, $t6(%[table]) \n\t"
"lwx $t7, $t7(%[table]) \n\t"
"lwx %[s0], %[s0](%[table]) \n\t"
"lwx %[s1], %[s1](%[table]) \n\t"
"lwx %[s2], %[s2](%[table]) \n\t"
"lwx %[s3], %[s3](%[table]) \n\t"
"lwx %[s4], %[s4](%[table]) \n\t"
"lwx %[s5], %[s5](%[table]) \n\t"
"lwx %[s6], %[s6](%[table]) \n\t"
"lwx %[s7], %[s7](%[table]) \n\t"
"sw $t0, 0(%[colors]) \n\t"
"sw $t1, 4(%[colors]) \n\t"
"sw $t2, 8(%[colors]) \n\t"
"sw $t3, 12(%[colors]) \n\t"
"sw $t4, 16(%[colors]) \n\t"
"sw $t5, 20(%[colors]) \n\t"
"sw $t6, 24(%[colors]) \n\t"
"sw $t7, 28(%[colors]) \n\t"
"sw %[s0], 32(%[colors]) \n\t"
"sw %[s1], 36(%[colors]) \n\t"
"sw %[s2], 40(%[colors]) \n\t"
"sw %[s3], 44(%[colors]) \n\t"
"sw %[s4], 48(%[colors]) \n\t"
"sw %[s5], 52(%[colors]) \n\t"
"sw %[s6], 56(%[colors]) \n\t"
"sw %[s7], 60(%[colors]) \n\t"
"addiu %[xx], %[xx], 32 \n\t"
"beqz %[count], 4f \n\t"
" addiu %[colors], %[colors], 64 \n\t"
"3: \n\t"
"addiu %[count], %[count], -1 \n\t"
"lhu $t0, 0(%[xx]) \n\t"
"lbux $t1, $t0(%[srcAddr]) \n\t"
"sll $t1, $t1, 2 \n\t"
"lwx $t2, $t1(%[table]) \n\t"
"sw $t2, 0(%[colors]) \n\t"
"addiu %[xx], %[xx], 2 \n\t"
"bnez %[count], 3b \n\t"
" addiu %[colors], %[colors], 4 \n\t"
"4: \n\t"
".set pop \n\t"
: [xx]"+r"(xx), [count]"+r"(count), [colors]"+r"(colors),
[s0]"=&r"(s0), [s1]"=&r"(s1), [s2]"=&r"(s2), [s3]"=&r"(s3),
[s4]"=&r"(s4), [s5]"=&r"(s5), [s6]"=&r"(s6), [s7]"=&r"(s7)
: [table]"r"(table), [srcAddr]"r"(srcAddr)
: "memory", "t0", "t1", "t2", "t3",
"t4", "t5", "t6", "t7", "t8"
);
}
s.fBitmap->getColorTable()->unlockColors();
}
/* If we replace a sampleproc, then we null-out the associated shaderproc,
otherwise the shader won't even look at the matrix/sampler
*/
void SkBitmapProcState::platformProcs() {
bool isOpaque = 256 == fAlphaScale;
bool justDx = false;
if (fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)) {
justDx = true;
}
switch (fBitmap->colorType()) {
case kIndex_8_SkColorType:
if (justDx && SkPaint::kNone_FilterLevel == fFilterLevel) {
fSampleProc16 = SI8_D16_nofilter_DX_mips_dsp;
fShaderProc16 = NULL;
if (isOpaque) {
fSampleProc32 = SI8_opaque_D32_nofilter_DX_mips_dsp;
fShaderProc32 = NULL;
}
}
break;
default:
break;
}
}
void SkBitmapScaler::PlatformConvolutionProcs(SkConvolutionProcs*) {}
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