| /* |
| * 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_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 != nullptr); |
| SkASSERT(s.fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask)); |
| SkASSERT(kNone_SkFilterQuality == s.fFilterQuality); |
| const SkPMColor* SK_RESTRICT table = s.fPixmap.ctable()->readColors(); |
| const uint8_t* SK_RESTRICT srcAddr = (const uint8_t*)s.fPixmap.addr(); |
| srcAddr = (const uint8_t*)((const char*)srcAddr + xy[0] * s.fPixmap.rowBytes()); |
| |
| if (1 == s.fPixmap.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" |
| ); |
| } |
| } |
| |
| /* 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 (fPixmap.colorType()) { |
| case kIndex_8_SkColorType: |
| if (justDx && kNone_SkFilterQuality == fFilterQuality) { |
| if (isOpaque) { |
| fSampleProc32 = SI8_opaque_D32_nofilter_DX_mips_dsp; |
| fShaderProc32 = nullptr; |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| void SkBitmapScaler::PlatformConvolutionProcs(SkConvolutionProcs*) {} |
