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tenfourfox/gfx/ycbcr/yuv_row_posix.cpp
Cameron Kaiser 7b68aa337f #470: convert YUV table to AltiVec alignment
2018-01-26 23:56:47 -08:00

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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "yuv_row.h"
#include "mozilla/SSE.h"
#ifdef TENFOURFOX_VMX
#include <altivec.h>
#endif
#define DCHECK(a)
extern "C" {
#if defined(ARCH_CPU_X86_64)
// We don't need CPUID guards here, since x86-64 implies SSE2.
// AMD64 ABI uses register paremters.
void FastConvertYUVToRGB32Row(const uint8* y_buf, // rdi
const uint8* u_buf, // rsi
const uint8* v_buf, // rdx
uint8* rgb_buf, // rcx
int width) { // r8
asm(
"jmp 1f\n"
"0:"
"movzb (%1),%%r10\n"
"add $0x1,%1\n"
"movzb (%2),%%r11\n"
"add $0x1,%2\n"
"movq 2048(%5,%%r10,8),%%xmm0\n"
"movzb (%0),%%r10\n"
"movq 4096(%5,%%r11,8),%%xmm1\n"
"movzb 0x1(%0),%%r11\n"
"paddsw %%xmm1,%%xmm0\n"
"movq (%5,%%r10,8),%%xmm2\n"
"add $0x2,%0\n"
"movq (%5,%%r11,8),%%xmm3\n"
"paddsw %%xmm0,%%xmm2\n"
"paddsw %%xmm0,%%xmm3\n"
"shufps $0x44,%%xmm3,%%xmm2\n"
"psraw $0x6,%%xmm2\n"
"packuswb %%xmm2,%%xmm2\n"
"movq %%xmm2,0x0(%3)\n"
"add $0x8,%3\n"
"1:"
"sub $0x2,%4\n"
"jns 0b\n"
"2:"
"add $0x1,%4\n"
"js 3f\n"
"movzb (%1),%%r10\n"
"movq 2048(%5,%%r10,8),%%xmm0\n"
"movzb (%2),%%r10\n"
"movq 4096(%5,%%r10,8),%%xmm1\n"
"paddsw %%xmm1,%%xmm0\n"
"movzb (%0),%%r10\n"
"movq (%5,%%r10,8),%%xmm1\n"
"paddsw %%xmm0,%%xmm1\n"
"psraw $0x6,%%xmm1\n"
"packuswb %%xmm1,%%xmm1\n"
"movd %%xmm1,0x0(%3)\n"
"3:"
:
: "r"(y_buf), // %0
"r"(u_buf), // %1
"r"(v_buf), // %2
"r"(rgb_buf), // %3
"r"(width), // %4
"r" (kCoefficientsRgbY) // %5
: "memory", "r10", "r11", "xmm0", "xmm1", "xmm2", "xmm3"
);
}
void ScaleYUVToRGB32Row(const uint8* y_buf, // rdi
const uint8* u_buf, // rsi
const uint8* v_buf, // rdx
uint8* rgb_buf, // rcx
int width, // r8
int source_dx) { // r9
asm(
"xor %%r11,%%r11\n"
"sub $0x2,%4\n"
"js 1f\n"
"0:"
"mov %%r11,%%r10\n"
"sar $0x11,%%r10\n"
"movzb (%1,%%r10,1),%%rax\n"
"movq 2048(%5,%%rax,8),%%xmm0\n"
"movzb (%2,%%r10,1),%%rax\n"
"movq 4096(%5,%%rax,8),%%xmm1\n"
"lea (%%r11,%6),%%r10\n"
"sar $0x10,%%r11\n"
"movzb (%0,%%r11,1),%%rax\n"
"paddsw %%xmm1,%%xmm0\n"
"movq (%5,%%rax,8),%%xmm1\n"
"lea (%%r10,%6),%%r11\n"
"sar $0x10,%%r10\n"
"movzb (%0,%%r10,1),%%rax\n"
"movq (%5,%%rax,8),%%xmm2\n"
"paddsw %%xmm0,%%xmm1\n"
"paddsw %%xmm0,%%xmm2\n"
"shufps $0x44,%%xmm2,%%xmm1\n"
"psraw $0x6,%%xmm1\n"
"packuswb %%xmm1,%%xmm1\n"
"movq %%xmm1,0x0(%3)\n"
"add $0x8,%3\n"
"sub $0x2,%4\n"
"jns 0b\n"
"1:"
"add $0x1,%4\n"
"js 2f\n"
"mov %%r11,%%r10\n"
"sar $0x11,%%r10\n"
"movzb (%1,%%r10,1),%%rax\n"
"movq 2048(%5,%%rax,8),%%xmm0\n"
"movzb (%2,%%r10,1),%%rax\n"
"movq 4096(%5,%%rax,8),%%xmm1\n"
"paddsw %%xmm1,%%xmm0\n"
"sar $0x10,%%r11\n"
"movzb (%0,%%r11,1),%%rax\n"
"movq (%5,%%rax,8),%%xmm1\n"
"paddsw %%xmm0,%%xmm1\n"
"psraw $0x6,%%xmm1\n"
"packuswb %%xmm1,%%xmm1\n"
"movd %%xmm1,0x0(%3)\n"
"2:"
:
: "r"(y_buf), // %0
"r"(u_buf), // %1
"r"(v_buf), // %2
"r"(rgb_buf), // %3
"r"(width), // %4
"r" (kCoefficientsRgbY), // %5
"r"(static_cast<long>(source_dx)) // %6
: "memory", "r10", "r11", "rax", "xmm0", "xmm1", "xmm2"
);
}
void LinearScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx) {
asm(
"xor %%r11,%%r11\n" // x = 0
"sub $0x2,%4\n"
"js 2f\n"
"cmp $0x20000,%6\n" // if source_dx >= 2.0
"jl 0f\n"
"mov $0x8000,%%r11\n" // x = 0.5 for 1/2 or less
"0:"
"1:"
"mov %%r11,%%r10\n"
"sar $0x11,%%r10\n"
"movzb (%1, %%r10, 1), %%r13 \n"
"movzb 1(%1, %%r10, 1), %%r14 \n"
"mov %%r11, %%rax \n"
"and $0x1fffe, %%rax \n"
"imul %%rax, %%r14 \n"
"xor $0x1fffe, %%rax \n"
"imul %%rax, %%r13 \n"
"add %%r14, %%r13 \n"
"shr $17, %%r13 \n"
"movq 2048(%5,%%r13,8), %%xmm0\n"
"movzb (%2, %%r10, 1), %%r13 \n"
"movzb 1(%2, %%r10, 1), %%r14 \n"
"mov %%r11, %%rax \n"
"and $0x1fffe, %%rax \n"
"imul %%rax, %%r14 \n"
"xor $0x1fffe, %%rax \n"
"imul %%rax, %%r13 \n"
"add %%r14, %%r13 \n"
"shr $17, %%r13 \n"
"movq 4096(%5,%%r13,8), %%xmm1\n"
"mov %%r11, %%rax \n"
"lea (%%r11,%6),%%r10\n"
"sar $0x10,%%r11\n"
"paddsw %%xmm1,%%xmm0\n"
"movzb (%0, %%r11, 1), %%r13 \n"
"movzb 1(%0, %%r11, 1), %%r14 \n"
"and $0xffff, %%rax \n"
"imul %%rax, %%r14 \n"
"xor $0xffff, %%rax \n"
"imul %%rax, %%r13 \n"
"add %%r14, %%r13 \n"
"shr $16, %%r13 \n"
"movq (%5,%%r13,8),%%xmm1\n"
"mov %%r10, %%rax \n"
"lea (%%r10,%6),%%r11\n"
"sar $0x10,%%r10\n"
"movzb (%0,%%r10,1), %%r13 \n"
"movzb 1(%0,%%r10,1), %%r14 \n"
"and $0xffff, %%rax \n"
"imul %%rax, %%r14 \n"
"xor $0xffff, %%rax \n"
"imul %%rax, %%r13 \n"
"add %%r14, %%r13 \n"
"shr $16, %%r13 \n"
"movq (%5,%%r13,8),%%xmm2\n"
"paddsw %%xmm0,%%xmm1\n"
"paddsw %%xmm0,%%xmm2\n"
"shufps $0x44,%%xmm2,%%xmm1\n"
"psraw $0x6,%%xmm1\n"
"packuswb %%xmm1,%%xmm1\n"
"movq %%xmm1,0x0(%3)\n"
"add $0x8,%3\n"
"sub $0x2,%4\n"
"jns 1b\n"
"2:"
"add $0x1,%4\n"
"js 3f\n"
"mov %%r11,%%r10\n"
"sar $0x11,%%r10\n"
"movzb (%1,%%r10,1), %%r13 \n"
"movq 2048(%5,%%r13,8),%%xmm0\n"
"movzb (%2,%%r10,1), %%r13 \n"
"movq 4096(%5,%%r13,8),%%xmm1\n"
"paddsw %%xmm1,%%xmm0\n"
"sar $0x10,%%r11\n"
"movzb (%0,%%r11,1), %%r13 \n"
"movq (%5,%%r13,8),%%xmm1\n"
"paddsw %%xmm0,%%xmm1\n"
"psraw $0x6,%%xmm1\n"
"packuswb %%xmm1,%%xmm1\n"
"movd %%xmm1,0x0(%3)\n"
"3:"
:
: "r"(y_buf), // %0
"r"(u_buf), // %1
"r"(v_buf), // %2
"r"(rgb_buf), // %3
"r"(width), // %4
"r" (kCoefficientsRgbY), // %5
"r"(static_cast<long>(source_dx)) // %6
: "memory", "r10", "r11", "r13", "r14", "rax", "xmm0", "xmm1", "xmm2"
);
}
#elif defined(MOZILLA_MAY_SUPPORT_SSE) && defined(ARCH_CPU_X86_32) && !defined(__PIC__)
// PIC version is slower because less registers are available, so
// non-PIC is used on platforms where it is possible.
void FastConvertYUVToRGB32Row_SSE(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width);
asm(
".text\n"
".global FastConvertYUVToRGB32Row_SSE\n"
".type FastConvertYUVToRGB32Row_SSE, @function\n"
"FastConvertYUVToRGB32Row_SSE:\n"
"pusha\n"
"mov 0x24(%esp),%edx\n"
"mov 0x28(%esp),%edi\n"
"mov 0x2c(%esp),%esi\n"
"mov 0x30(%esp),%ebp\n"
"mov 0x34(%esp),%ecx\n"
"jmp 1f\n"
"0:"
"movzbl (%edi),%eax\n"
"add $0x1,%edi\n"
"movzbl (%esi),%ebx\n"
"add $0x1,%esi\n"
"movq kCoefficientsRgbY+2048(,%eax,8),%mm0\n"
"movzbl (%edx),%eax\n"
"paddsw kCoefficientsRgbY+4096(,%ebx,8),%mm0\n"
"movzbl 0x1(%edx),%ebx\n"
"movq kCoefficientsRgbY(,%eax,8),%mm1\n"
"add $0x2,%edx\n"
"movq kCoefficientsRgbY(,%ebx,8),%mm2\n"
"paddsw %mm0,%mm1\n"
"paddsw %mm0,%mm2\n"
"psraw $0x6,%mm1\n"
"psraw $0x6,%mm2\n"
"packuswb %mm2,%mm1\n"
"movntq %mm1,0x0(%ebp)\n"
"add $0x8,%ebp\n"
"1:"
"sub $0x2,%ecx\n"
"jns 0b\n"
"and $0x1,%ecx\n"
"je 2f\n"
"movzbl (%edi),%eax\n"
"movq kCoefficientsRgbY+2048(,%eax,8),%mm0\n"
"movzbl (%esi),%eax\n"
"paddsw kCoefficientsRgbY+4096(,%eax,8),%mm0\n"
"movzbl (%edx),%eax\n"
"movq kCoefficientsRgbY(,%eax,8),%mm1\n"
"paddsw %mm0,%mm1\n"
"psraw $0x6,%mm1\n"
"packuswb %mm1,%mm1\n"
"movd %mm1,0x0(%ebp)\n"
"2:"
"popa\n"
"ret\n"
#if !defined(XP_MACOSX)
".previous\n"
#endif
);
void FastConvertYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width)
{
if (mozilla::supports_sse()) {
FastConvertYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf, width);
return;
}
FastConvertYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, 1);
}
void ScaleYUVToRGB32Row_SSE(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx);
asm(
".text\n"
".global ScaleYUVToRGB32Row_SSE\n"
".type ScaleYUVToRGB32Row_SSE, @function\n"
"ScaleYUVToRGB32Row_SSE:\n"
"pusha\n"
"mov 0x24(%esp),%edx\n"
"mov 0x28(%esp),%edi\n"
"mov 0x2c(%esp),%esi\n"
"mov 0x30(%esp),%ebp\n"
"mov 0x34(%esp),%ecx\n"
"xor %ebx,%ebx\n"
"jmp 1f\n"
"0:"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%edi,%eax,1),%eax\n"
"movq kCoefficientsRgbY+2048(,%eax,8),%mm0\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%esi,%eax,1),%eax\n"
"paddsw kCoefficientsRgbY+4096(,%eax,8),%mm0\n"
"mov %ebx,%eax\n"
"add 0x38(%esp),%ebx\n"
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%eax\n"
"movq kCoefficientsRgbY(,%eax,8),%mm1\n"
"mov %ebx,%eax\n"
"add 0x38(%esp),%ebx\n"
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%eax\n"
"movq kCoefficientsRgbY(,%eax,8),%mm2\n"
"paddsw %mm0,%mm1\n"
"paddsw %mm0,%mm2\n"
"psraw $0x6,%mm1\n"
"psraw $0x6,%mm2\n"
"packuswb %mm2,%mm1\n"
"movntq %mm1,0x0(%ebp)\n"
"add $0x8,%ebp\n"
"1:"
"sub $0x2,%ecx\n"
"jns 0b\n"
"and $0x1,%ecx\n"
"je 2f\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%edi,%eax,1),%eax\n"
"movq kCoefficientsRgbY+2048(,%eax,8),%mm0\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%esi,%eax,1),%eax\n"
"paddsw kCoefficientsRgbY+4096(,%eax,8),%mm0\n"
"mov %ebx,%eax\n"
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%eax\n"
"movq kCoefficientsRgbY(,%eax,8),%mm1\n"
"paddsw %mm0,%mm1\n"
"psraw $0x6,%mm1\n"
"packuswb %mm1,%mm1\n"
"movd %mm1,0x0(%ebp)\n"
"2:"
"popa\n"
"ret\n"
#if !defined(XP_MACOSX)
".previous\n"
#endif
);
void ScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx)
{
if (mozilla::supports_sse()) {
ScaleYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf,
width, source_dx);
}
ScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf,
width, source_dx);
}
void LinearScaleYUVToRGB32Row_SSE(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx);
asm(
".text\n"
".global LinearScaleYUVToRGB32Row_SSE\n"
".type LinearScaleYUVToRGB32Row_SSE, @function\n"
"LinearScaleYUVToRGB32Row_SSE:\n"
"pusha\n"
"mov 0x24(%esp),%edx\n"
"mov 0x28(%esp),%edi\n"
"mov 0x30(%esp),%ebp\n"
// source_width = width * source_dx + ebx
"mov 0x34(%esp), %ecx\n"
"imull 0x38(%esp), %ecx\n"
"mov %ecx, 0x34(%esp)\n"
"mov 0x38(%esp), %ecx\n"
"xor %ebx,%ebx\n" // x = 0
"cmp $0x20000,%ecx\n" // if source_dx >= 2.0
"jl 1f\n"
"mov $0x8000,%ebx\n" // x = 0.5 for 1/2 or less
"jmp 1f\n"
"0:"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%edi,%eax,1),%ecx\n"
"movzbl 1(%edi,%eax,1),%esi\n"
"mov %ebx,%eax\n"
"andl $0x1fffe, %eax \n"
"imul %eax, %esi \n"
"xorl $0x1fffe, %eax \n"
"imul %eax, %ecx \n"
"addl %esi, %ecx \n"
"shrl $17, %ecx \n"
"movq kCoefficientsRgbY+2048(,%ecx,8),%mm0\n"
"mov 0x2c(%esp),%esi\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%esi,%eax,1),%ecx\n"
"movzbl 1(%esi,%eax,1),%esi\n"
"mov %ebx,%eax\n"
"andl $0x1fffe, %eax \n"
"imul %eax, %esi \n"
"xorl $0x1fffe, %eax \n"
"imul %eax, %ecx \n"
"addl %esi, %ecx \n"
"shrl $17, %ecx \n"
"paddsw kCoefficientsRgbY+4096(,%ecx,8),%mm0\n"
"mov %ebx,%eax\n"
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%ecx\n"
"movzbl 1(%edx,%eax,1),%esi\n"
"mov %ebx,%eax\n"
"add 0x38(%esp),%ebx\n"
"andl $0xffff, %eax \n"
"imul %eax, %esi \n"
"xorl $0xffff, %eax \n"
"imul %eax, %ecx \n"
"addl %esi, %ecx \n"
"shrl $16, %ecx \n"
"movq kCoefficientsRgbY(,%ecx,8),%mm1\n"
"cmp 0x34(%esp), %ebx\n"
"jge 2f\n"
"mov %ebx,%eax\n"
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%ecx\n"
"movzbl 1(%edx,%eax,1),%esi\n"
"mov %ebx,%eax\n"
"add 0x38(%esp),%ebx\n"
"andl $0xffff, %eax \n"
"imul %eax, %esi \n"
"xorl $0xffff, %eax \n"
"imul %eax, %ecx \n"
"addl %esi, %ecx \n"
"shrl $16, %ecx \n"
"movq kCoefficientsRgbY(,%ecx,8),%mm2\n"
"paddsw %mm0,%mm1\n"
"paddsw %mm0,%mm2\n"
"psraw $0x6,%mm1\n"
"psraw $0x6,%mm2\n"
"packuswb %mm2,%mm1\n"
"movntq %mm1,0x0(%ebp)\n"
"add $0x8,%ebp\n"
"1:"
"cmp 0x34(%esp), %ebx\n"
"jl 0b\n"
"popa\n"
"ret\n"
"2:"
"paddsw %mm0, %mm1\n"
"psraw $6, %mm1\n"
"packuswb %mm1, %mm1\n"
"movd %mm1, (%ebp)\n"
"popa\n"
"ret\n"
#if !defined(XP_MACOSX)
".previous\n"
#endif
);
void LinearScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx)
{
if (mozilla::supports_sse()) {
LinearScaleYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf,
width, source_dx);
}
LinearScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf,
width, source_dx);
}
#elif defined(MOZILLA_MAY_SUPPORT_SSE) && defined(ARCH_CPU_X86_32) && defined(__PIC__)
void PICConvertYUVToRGB32Row_SSE(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int16 *kCoefficientsRgbY);
asm(
".text\n"
#if defined(XP_MACOSX)
"_PICConvertYUVToRGB32Row_SSE:\n"
#else
"PICConvertYUVToRGB32Row_SSE:\n"
#endif
"pusha\n"
"mov 0x24(%esp),%edx\n"
"mov 0x28(%esp),%edi\n"
"mov 0x2c(%esp),%esi\n"
"mov 0x30(%esp),%ebp\n"
"mov 0x38(%esp),%ecx\n"
"jmp 1f\n"
"0:"
"movzbl (%edi),%eax\n"
"add $0x1,%edi\n"
"movzbl (%esi),%ebx\n"
"add $0x1,%esi\n"
"movq 2048(%ecx,%eax,8),%mm0\n"
"movzbl (%edx),%eax\n"
"paddsw 4096(%ecx,%ebx,8),%mm0\n"
"movzbl 0x1(%edx),%ebx\n"
"movq 0(%ecx,%eax,8),%mm1\n"
"add $0x2,%edx\n"
"movq 0(%ecx,%ebx,8),%mm2\n"
"paddsw %mm0,%mm1\n"
"paddsw %mm0,%mm2\n"
"psraw $0x6,%mm1\n"
"psraw $0x6,%mm2\n"
"packuswb %mm2,%mm1\n"
"movntq %mm1,0x0(%ebp)\n"
"add $0x8,%ebp\n"
"1:"
"subl $0x2,0x34(%esp)\n"
"jns 0b\n"
"andl $0x1,0x34(%esp)\n"
"je 2f\n"
"movzbl (%edi),%eax\n"
"movq 2048(%ecx,%eax,8),%mm0\n"
"movzbl (%esi),%eax\n"
"paddsw 4096(%ecx,%eax,8),%mm0\n"
"movzbl (%edx),%eax\n"
"movq 0(%ecx,%eax,8),%mm1\n"
"paddsw %mm0,%mm1\n"
"psraw $0x6,%mm1\n"
"packuswb %mm1,%mm1\n"
"movd %mm1,0x0(%ebp)\n"
"2:"
"popa\n"
"ret\n"
#if !defined(XP_MACOSX)
".previous\n"
#endif
);
void FastConvertYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width)
{
if (mozilla::supports_sse()) {
PICConvertYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf, width,
&kCoefficientsRgbY[0][0]);
return;
}
FastConvertYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, 1);
}
void PICScaleYUVToRGB32Row_SSE(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx,
int16 *kCoefficientsRgbY);
asm(
".text\n"
#if defined(XP_MACOSX)
"_PICScaleYUVToRGB32Row_SSE:\n"
#else
"PICScaleYUVToRGB32Row_SSE:\n"
#endif
"pusha\n"
"mov 0x24(%esp),%edx\n"
"mov 0x28(%esp),%edi\n"
"mov 0x2c(%esp),%esi\n"
"mov 0x30(%esp),%ebp\n"
"mov 0x3c(%esp),%ecx\n"
"xor %ebx,%ebx\n"
"jmp 1f\n"
"0:"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%edi,%eax,1),%eax\n"
"movq 2048(%ecx,%eax,8),%mm0\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%esi,%eax,1),%eax\n"
"paddsw 4096(%ecx,%eax,8),%mm0\n"
"mov %ebx,%eax\n"
"add 0x38(%esp),%ebx\n"
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%eax\n"
"movq 0(%ecx,%eax,8),%mm1\n"
"mov %ebx,%eax\n"
"add 0x38(%esp),%ebx\n"
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%eax\n"
"movq 0(%ecx,%eax,8),%mm2\n"
"paddsw %mm0,%mm1\n"
"paddsw %mm0,%mm2\n"
"psraw $0x6,%mm1\n"
"psraw $0x6,%mm2\n"
"packuswb %mm2,%mm1\n"
"movntq %mm1,0x0(%ebp)\n"
"add $0x8,%ebp\n"
"1:"
"subl $0x2,0x34(%esp)\n"
"jns 0b\n"
"andl $0x1,0x34(%esp)\n"
"je 2f\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%edi,%eax,1),%eax\n"
"movq 2048(%ecx,%eax,8),%mm0\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%esi,%eax,1),%eax\n"
"paddsw 4096(%ecx,%eax,8),%mm0\n"
"mov %ebx,%eax\n"
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%eax\n"
"movq 0(%ecx,%eax,8),%mm1\n"
"paddsw %mm0,%mm1\n"
"psraw $0x6,%mm1\n"
"packuswb %mm1,%mm1\n"
"movd %mm1,0x0(%ebp)\n"
"2:"
"popa\n"
"ret\n"
#if !defined(XP_MACOSX)
".previous\n"
#endif
);
void ScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx)
{
if (mozilla::supports_sse()) {
PICScaleYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf, width, source_dx,
&kCoefficientsRgbY[0][0]);
return;
}
ScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, source_dx);
}
void PICLinearScaleYUVToRGB32Row_SSE(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx,
int16 *kCoefficientsRgbY);
asm(
".text\n"
#if defined(XP_MACOSX)
"_PICLinearScaleYUVToRGB32Row_SSE:\n"
#else
"PICLinearScaleYUVToRGB32Row_SSE:\n"
#endif
"pusha\n"
"mov 0x24(%esp),%edx\n"
"mov 0x30(%esp),%ebp\n"
"mov 0x34(%esp),%ecx\n"
"mov 0x3c(%esp),%edi\n"
"xor %ebx,%ebx\n"
// source_width = width * source_dx + ebx
"mov 0x34(%esp), %ecx\n"
"imull 0x38(%esp), %ecx\n"
"mov %ecx, 0x34(%esp)\n"
"mov 0x38(%esp), %ecx\n"
"xor %ebx,%ebx\n" // x = 0
"cmp $0x20000,%ecx\n" // if source_dx >= 2.0
"jl 1f\n"
"mov $0x8000,%ebx\n" // x = 0.5 for 1/2 or less
"jmp 1f\n"
"0:"
"mov 0x28(%esp),%esi\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%esi,%eax,1),%ecx\n"
"movzbl 1(%esi,%eax,1),%esi\n"
"mov %ebx,%eax\n"
"andl $0x1fffe, %eax \n"
"imul %eax, %esi \n"
"xorl $0x1fffe, %eax \n"
"imul %eax, %ecx \n"
"addl %esi, %ecx \n"
"shrl $17, %ecx \n"
"movq 2048(%edi,%ecx,8),%mm0\n"
"mov 0x2c(%esp),%esi\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%esi,%eax,1),%ecx\n"
"movzbl 1(%esi,%eax,1),%esi\n"
"mov %ebx,%eax\n"
"andl $0x1fffe, %eax \n"
"imul %eax, %esi \n"
"xorl $0x1fffe, %eax \n"
"imul %eax, %ecx \n"
"addl %esi, %ecx \n"
"shrl $17, %ecx \n"
"paddsw 4096(%edi,%ecx,8),%mm0\n"
"mov %ebx,%eax\n"
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%ecx\n"
"movzbl 1(%edx,%eax,1),%esi\n"
"mov %ebx,%eax\n"
"add 0x38(%esp),%ebx\n"
"andl $0xffff, %eax \n"
"imul %eax, %esi \n"
"xorl $0xffff, %eax \n"
"imul %eax, %ecx \n"
"addl %esi, %ecx \n"
"shrl $16, %ecx \n"
"movq (%edi,%ecx,8),%mm1\n"
"cmp 0x34(%esp), %ebx\n"
"jge 2f\n"
"mov %ebx,%eax\n"
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%ecx\n"
"movzbl 1(%edx,%eax,1),%esi\n"
"mov %ebx,%eax\n"
"add 0x38(%esp),%ebx\n"
"andl $0xffff, %eax \n"
"imul %eax, %esi \n"
"xorl $0xffff, %eax \n"
"imul %eax, %ecx \n"
"addl %esi, %ecx \n"
"shrl $16, %ecx \n"
"movq (%edi,%ecx,8),%mm2\n"
"paddsw %mm0,%mm1\n"
"paddsw %mm0,%mm2\n"
"psraw $0x6,%mm1\n"
"psraw $0x6,%mm2\n"
"packuswb %mm2,%mm1\n"
"movntq %mm1,0x0(%ebp)\n"
"add $0x8,%ebp\n"
"1:"
"cmp %ebx, 0x34(%esp)\n"
"jg 0b\n"
"popa\n"
"ret\n"
"2:"
"paddsw %mm0, %mm1\n"
"psraw $6, %mm1\n"
"packuswb %mm1, %mm1\n"
"movd %mm1, (%ebp)\n"
"popa\n"
"ret\n"
#if !defined(XP_MACOSX)
".previous\n"
#endif
);
void LinearScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx)
{
if (mozilla::supports_sse()) {
PICLinearScaleYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf, width,
source_dx, &kCoefficientsRgbY[0][0]);
return;
}
LinearScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, source_dx);
}
#elif defined TENFOURFOX_VMX
/* for TenFourFox, by Cameron Kaiser */
void FastConvertYUVToRGB32Row(const uint8 *y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width) {
register vector unsigned char r0;
// splat a vector for 6 for the bit shifts
register vector unsigned short splat6 = vec_splat_u16(6);
int edi = 0;
int esi = 0;
int edx = 0;
unsigned int __attribute__ ((aligned(16))) parkit[4];
unsigned int *stufit = (unsigned int *)rgb_buf;
register vector short mm0, mm0a, mm1, mm2;
register vector short mm01, mm0a1, mm11, mm21;
register vector unsigned char msq, mask;
register vector unsigned char snarf =
{ 3, 2, 1, 0, 11, 10, 9, 8, 0, 0, 0, 0, 0, 0, 0, 0 };
register vector unsigned char snarf8 =
{ 3, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4, 15, 14, 13, 12 };
register vector unsigned char mergehalf =
{ 0, 1, 2, 3, 4, 5, 6, 7, 16, 17, 18, 19, 20, 21, 22, 23 };
#define LOADC(x,y,z) \
x = (vector short)vec_ld(0, (unsigned char*)&(kCoefficientsRgbY[z+y]));
while(width >= 4) {
uint8 u = u_buf[edi++];
uint8 v = v_buf[esi++];
uint8 y0 = y_buf[edx++];
uint8 y1 = y_buf[edx++];
LOADC(mm0, u, 256);
LOADC(mm0a, v, 512);
LOADC(mm1, y0, 0);
LOADC(mm2, y1, 0);
u = u_buf[edi++];
v = v_buf[esi++];
y0 = y_buf[edx++];
y1 = y_buf[edx++];
LOADC(mm01, u, 256);
LOADC(mm0a1, v, 512);
LOADC(mm11, y0, 0);
LOADC(mm21, y1, 0);
mm0 = (vector short)vec_perm(mm0, mm01, mergehalf);
mm0a = (vector short)vec_perm(mm0a, mm0a1, mergehalf);
mm1 = (vector short)vec_perm(mm1, mm11, mergehalf);
mm2 = (vector short)vec_perm(mm2, mm21, mergehalf);
mm0 = vec_adds(mm0, mm0a);
mm1 = vec_adds(mm0, mm1);
mm2 = vec_adds(mm0, mm2);
mm1 = vec_sra(mm1, splat6);
mm2 = vec_sra(mm2, splat6);
r0 = vec_packsu(mm1, mm2);
// because we're big endian, we have to permute our
// bytes into bgra because we output argb (see YuvPixel
// in the C version). at the same time we smush everything
// together for a reason you'll see in a minute.
r0 = vec_perm(r0, r0, snarf8);
// there has GOT to be a better way.
vec_st(r0, 0, (unsigned char *)parkit);
stufit[0] = parkit[0];
stufit[1] = parkit[1];
stufit[2] = parkit[2];
stufit[3] = parkit[3];
stufit += 4;
width -= 4;
}
while(width >= 2) {
uint8 u = u_buf[edi++];
uint8 v = v_buf[esi++];
uint8 y0 = y_buf[edx++];
uint8 y1 = y_buf[edx++];
LOADC(mm0, u, 256);
LOADC(mm0a, v, 512);
LOADC(mm1, y0, 0);
LOADC(mm2, y1, 0);
mm0 = vec_adds(mm0, mm0a);
mm1 = vec_adds(mm0, mm1);
mm2 = vec_adds(mm0, mm2);
mm1 = vec_sra(mm1, splat6);
mm2 = vec_sra(mm2, splat6);
r0 = vec_packsu(mm1, mm2);
r0 = vec_perm(r0, r0, snarf);
// there has GOT to be a better way to write a half vector.
vec_st(r0, 0, (unsigned char *)parkit);
stufit[0] = parkit[0];
stufit[1] = parkit[1];
stufit += 2;
width -= 2;
}
if (width) {
uint8 u = u_buf[edi];
uint8 v = v_buf[esi];
uint8 y0 = y_buf[edx];
LOADC(mm0, u, 256);
LOADC(mm0a, v, 512);
LOADC(mm1, y0, 0);
mm0 = vec_adds(mm0, mm0a);
mm1 = vec_adds(mm1, mm0);
mm1 = vec_sra(mm1, splat6);
r0 = vec_packsu(mm1, mm1);
r0 = vec_perm(r0, r0, snarf);
vec_st(r0, 0, (unsigned char *)parkit);
stufit[0] = parkit[0];
}
}
void ScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx) {
// Another simpleminded port of the SSE version.
// This is roughly the same as the Fast transform, but with some
// extra sexy bits for scaling.
register vector unsigned char r0;
// splat a vector for 6 for the bit shifts
register vector unsigned short splat6 = vec_splat_u16(6);
unsigned int __attribute__ ((aligned(16))) parkit[4];
unsigned int *stufit = (unsigned int *)rgb_buf;
register vector short mm0, mm0a, mm1, mm2;
register vector short mm01, mm0a1, mm11, mm21;
register vector unsigned char msq, mask;
register vector unsigned char snarf =
{ 3, 2, 1, 0, 11, 10, 9, 8, 0, 0, 0, 0, 0, 0, 0, 0 };
register vector unsigned char snarf8 =
{ 3, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4, 15, 14, 13, 12 };
register vector unsigned char mergehalf =
{ 0, 1, 2, 3, 4, 5, 6, 7, 16, 17, 18, 19, 20, 21, 22, 23 };
// 16.16 fixed point math is used, so we account for it (see C version)
int x = 0;
while(width >= 4) {
uint8 u = u_buf[x >> 17];
uint8 v = v_buf[x >> 17];
uint8 y0 = y_buf[x >> 16];
uint8 y1 = y_buf[(x + source_dx) >> 16];
x += source_dx + source_dx;
LOADC(mm0, u, 256);
LOADC(mm0a, v, 512);
LOADC(mm1, y0, 0);
LOADC(mm2, y1, 0);
u = u_buf[x >> 17];
v = v_buf[x >> 17];
y0 = y_buf[x >> 16];
y1 = y_buf[(x + source_dx) >> 16];
x += source_dx + source_dx;
LOADC(mm01, u, 256);
LOADC(mm0a1, v, 512);
LOADC(mm11, y0, 0);
LOADC(mm21, y1, 0);
mm0 = (vector short)vec_perm(mm0, mm01, mergehalf);
mm0a = (vector short)vec_perm(mm0a, mm0a1, mergehalf);
mm1 = (vector short)vec_perm(mm1, mm11, mergehalf);
mm2 = (vector short)vec_perm(mm2, mm21, mergehalf);
mm0 = vec_adds(mm0, mm0a);
mm1 = vec_adds(mm0, mm1);
mm2 = vec_adds(mm0, mm2);
mm1 = vec_sra(mm1, splat6);
mm2 = vec_sra(mm2, splat6);
r0 = vec_packsu(mm1, mm2);
// because we're big endian, we have to permute our
// bytes into bgra because we output argb (see YuvPixel
// in the C version). at the same time we smush everything
// together for a reason you'll see in a minute.
r0 = vec_perm(r0, r0, snarf8);
// there has GOT to be a better way.
vec_st(r0, 0, (unsigned char *)parkit);
stufit[0] = parkit[0];
stufit[1] = parkit[1];
stufit[2] = parkit[2];
stufit[3] = parkit[3];
stufit += 4;
width -= 4;
}
while(width >= 2) {
uint8 u = u_buf[x >> 17];
uint8 v = v_buf[x >> 17];
uint8 y0 = y_buf[x >> 16];
uint8 y1 = y_buf[(x + source_dx) >> 16];
x += source_dx + source_dx;
LOADC(mm0, u, 256);
LOADC(mm0a, v, 512);
LOADC(mm1, y0, 0);
LOADC(mm2, y1, 0);
mm0 = vec_adds(mm0, mm0a);
mm1 = vec_adds(mm0, mm1);
mm2 = vec_adds(mm0, mm2);
mm1 = vec_sra(mm1, splat6);
mm2 = vec_sra(mm2, splat6);
r0 = vec_packsu(mm1, mm2);
r0 = vec_perm(r0, r0, snarf);
// there has GOT to be a better way.
vec_st(r0, 0, (unsigned char *)parkit);
stufit[0] = parkit[0];
stufit[1] = parkit[1];
stufit += 2;
width -= 2;
}
if (width) {
uint8 u = u_buf[x >> 17];
uint8 v = v_buf[x >> 17];
uint8 y0 = y_buf[x >> 16];
LOADC(mm0, u, 256);
LOADC(mm0a, v, 512);
LOADC(mm1, y0, 0);
mm0 = vec_adds(mm0, mm0a);
mm1 = vec_adds(mm1, mm0);
mm1 = vec_sra(mm1, splat6);
r0 = vec_packsu(mm1, mm1);
r0 = vec_perm(r0, r0, snarf);
vec_st(r0, 0, (unsigned char *)parkit);
stufit[0] = parkit[0];
}
}
void LinearScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx) {
// Aaaaand another one. This one is rather harder to translate
// to AltiVec, but we'll give it a go.
// Tobias gets a beer here.
register vector unsigned char r0;
// splat a vector for 6 for the bit shifts
register vector unsigned short splat6 = vec_splat_u16(6);
unsigned int __attribute__ ((aligned(16))) parkit[4];
unsigned int *stufit = (unsigned int *)rgb_buf;
register vector short mm0, mm0a, mm1, mm2;
register vector short mm01, mm0a1, mm11, mm21;
register vector unsigned char msq, mask;
register vector unsigned char snarf =
{ 3, 2, 1, 0, 11, 10, 9, 8, 0, 0, 0, 0, 0, 0, 0, 0 };
register vector unsigned char snarf8 =
{ 3, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4, 15, 14, 13, 12 };
register vector unsigned char mergehalf =
{ 0, 1, 2, 3, 4, 5, 6, 7, 16, 17, 18, 19, 20, 21, 22, 23 };
// 16.16 fixed point math is used, so we account for it (see C version)
int x = 0;
if (source_dx >= 0x20000) {
x = 32768;
}
while(width >= 4) {
int u0 = u_buf[x >> 17];
int u1 = u_buf[(x >> 17) + 1];
int v0 = v_buf[x >> 17];
int v1 = v_buf[(x >> 17) + 1];
int y0 = y_buf[x >> 16];
int y1 = y_buf[(x >> 16) + 1];
int yy0 = y_buf[(x + source_dx) >> 16];
int yy1 = y_buf[((x + source_dx) >> 16) + 1];
int y_frac = (x & 65535);
int uv_frac = ((x >> 1) & 65535);
int y = (y_frac * y1 + (y_frac ^ 65535) * y0) >> 16;
int yy = (y_frac * yy1 + (y_frac ^ 65535) * yy0) >> 16;
int u = (uv_frac * u1 + (uv_frac ^ 65535) * u0) >> 16;
int v = (uv_frac * v1 + (uv_frac ^ 65535) * v0) >> 16;
x += source_dx + source_dx;
LOADC(mm0, u, 256);
LOADC(mm0a, v, 512);
LOADC(mm1, y, 0);
LOADC(mm2, yy, 0);
u0 = u_buf[x >> 17];
u1 = u_buf[(x >> 17) + 1];
v0 = v_buf[x >> 17];
v1 = v_buf[(x >> 17) + 1];
y0 = y_buf[x >> 16];
y1 = y_buf[(x >> 16) + 1];
yy0 = y_buf[(x + source_dx) >> 16];
yy1 = y_buf[((x + source_dx) >> 16) + 1];
y_frac = (x & 65535);
uv_frac = ((x >> 1) & 65535);
y = (y_frac * y1 + (y_frac ^ 65535) * y0) >> 16;
yy = (y_frac * yy1 + (y_frac ^ 65535) * yy0) >> 16;
u = (uv_frac * u1 + (uv_frac ^ 65535) * u0) >> 16;
v = (uv_frac * v1 + (uv_frac ^ 65535) * v0) >> 16;
x += source_dx + source_dx;
LOADC(mm01, u, 256);
LOADC(mm0a1, v, 512);
LOADC(mm11, y, 0);
LOADC(mm21, yy, 0);
mm0 = (vector short)vec_perm(mm0, mm01, mergehalf);
mm0a = (vector short)vec_perm(mm0a, mm0a1, mergehalf);
mm1 = (vector short)vec_perm(mm1, mm11, mergehalf);
mm2 = (vector short)vec_perm(mm2, mm21, mergehalf);
mm0 = vec_adds(mm0, mm0a);
mm1 = vec_adds(mm0, mm1);
mm2 = vec_adds(mm0, mm2);
mm1 = vec_sra(mm1, splat6);
mm2 = vec_sra(mm2, splat6);
r0 = vec_packsu(mm1, mm2);
// because we're big endian, we have to permute our
// bytes into bgra because we output argb (see YuvPixel
// in the C version). at the same time we smush everything
// together for a reason you'll see in a minute.
r0 = vec_perm(r0, r0, snarf8);
// there has GOT to be a better way.
vec_st(r0, 0, (unsigned char *)parkit);
stufit[0] = parkit[0];
stufit[1] = parkit[1];
stufit[2] = parkit[2];
stufit[3] = parkit[3];
stufit += 4;
width -= 4;
}
while(width >= 2) {
int u0 = u_buf[x >> 17];
int u1 = u_buf[(x >> 17) + 1];
int v0 = v_buf[x >> 17];
int v1 = v_buf[(x >> 17) + 1];
int y0 = y_buf[x >> 16];
int y1 = y_buf[(x >> 16) + 1];
int yy0 = y_buf[(x + source_dx) >> 16];
int yy1 = y_buf[((x + source_dx) >> 16) + 1];
int y_frac = (x & 65535);
int uv_frac = ((x >> 1) & 65535);
int y = (y_frac * y1 + (y_frac ^ 65535) * y0) >> 16;
int yy = (y_frac * yy1 + (y_frac ^ 65535) * yy0) >> 16;
int u = (uv_frac * u1 + (uv_frac ^ 65535) * u0) >> 16;
int v = (uv_frac * v1 + (uv_frac ^ 65535) * v0) >> 16;
x += source_dx + source_dx;
LOADC(mm0, u, 256);
LOADC(mm0a, v, 512);
LOADC(mm1, y, 0);
LOADC(mm2, yy, 0);
mm0 = vec_adds(mm0, mm0a);
mm1 = vec_adds(mm0, mm1);
mm2 = vec_adds(mm0, mm2);
mm1 = vec_sra(mm1, splat6);
mm2 = vec_sra(mm2, splat6);
r0 = vec_packsu(mm1, mm2);
r0 = vec_perm(r0, r0, snarf);
// there has GOT to be a better way.
vec_st(r0, 0, (unsigned char *)parkit);
stufit[0] = parkit[0];
stufit[1] = parkit[1];
stufit += 2;
width -= 2;
}
if (width) {
int u0 = u_buf[x >> 17];
int u1 = u_buf[(x >> 17) + 1];
int v0 = v_buf[x >> 17];
int v1 = v_buf[(x >> 17) + 1];
int y0 = y_buf[x >> 16];
int y1 = y_buf[(x >> 16) + 1];
int y_frac = (x & 65535);
int uv_frac = ((x >> 1) & 65535);
int y = (y_frac * y1 + (y_frac ^ 65535) * y0) >> 16;
int u = (uv_frac * u1 + (uv_frac ^ 65535) * u0) >> 16;
int v = (uv_frac * v1 + (uv_frac ^ 65535) * v0) >> 16;
LOADC(mm0, u, 256);
LOADC(mm0a, v, 512);
LOADC(mm1, y, 0);
mm0 = vec_adds(mm0, mm0a);
mm1 = vec_adds(mm1, mm0);
mm1 = vec_sra(mm1, splat6);
r0 = vec_packsu(mm1, mm1);
r0 = vec_perm(r0, r0, snarf);
vec_st(r0, 0, (unsigned char *)parkit);
stufit[0] = parkit[0];
}
}
#else
void FastConvertYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width) {
FastConvertYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, 1);
}
void ScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx) {
ScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, source_dx);
}
void LinearScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx) {
LinearScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, source_dx);
}
#endif
}
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