// 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"
#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);
return;
}
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);
return;
}
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,
const 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,
const 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,
const 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);
}
#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
}