| /* |
| * Copyright 2009 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_opts_SSE2.h" |
| #include "SkBitmapProcState_opts_SSSE3.h" |
| #include "SkBlitMask.h" |
| #include "SkBlitRow.h" |
| #include "SkBlitRect_opts_SSE2.h" |
| #include "SkBlitRow_opts_SSE2.h" |
| #include "SkUtils_opts_SSE2.h" |
| #include "SkUtils.h" |
| |
| /* This file must *not* be compiled with -msse or -msse2, otherwise |
| gcc may generate sse2 even for scalar ops (and thus give an invalid |
| instruction on Pentium3 on the code below). Only files named *_SSE2.cpp |
| in this directory should be compiled with -msse2. */ |
| |
| |
| #ifdef _MSC_VER |
| static inline void getcpuid(int info_type, int info[4]) { |
| __asm { |
| mov eax, [info_type] |
| cpuid |
| mov edi, [info] |
| mov [edi], eax |
| mov [edi+4], ebx |
| mov [edi+8], ecx |
| mov [edi+12], edx |
| } |
| } |
| #else |
| #if defined(__x86_64__) |
| static inline void getcpuid(int info_type, int info[4]) { |
| asm volatile ( |
| "cpuid \n\t" |
| : "=a"(info[0]), "=b"(info[1]), "=c"(info[2]), "=d"(info[3]) |
| : "a"(info_type) |
| ); |
| } |
| #else |
| static inline void getcpuid(int info_type, int info[4]) { |
| // We save and restore ebx, so this code can be compatible with -fPIC |
| asm volatile ( |
| "pushl %%ebx \n\t" |
| "cpuid \n\t" |
| "movl %%ebx, %1 \n\t" |
| "popl %%ebx \n\t" |
| : "=a"(info[0]), "=r"(info[1]), "=c"(info[2]), "=d"(info[3]) |
| : "a"(info_type) |
| ); |
| } |
| #endif |
| #endif |
| |
| #if defined(__x86_64__) || defined(_WIN64) |
| /* All x86_64 machines have SSE2, so don't even bother checking. */ |
| static inline bool hasSSE2() { |
| return true; |
| } |
| #else |
| |
| static inline bool hasSSE2() { |
| int cpu_info[4] = { 0 }; |
| getcpuid(1, cpu_info); |
| return (cpu_info[3] & (1<<26)) != 0; |
| } |
| #endif |
| |
| static inline bool hasSSSE3() { |
| int cpu_info[4] = { 0 }; |
| getcpuid(1, cpu_info); |
| return (cpu_info[2] & 0x200) != 0; |
| } |
| |
| static bool cachedHasSSE2() { |
| static bool gHasSSE2 = hasSSE2(); |
| return gHasSSE2; |
| } |
| |
| static bool cachedHasSSSE3() { |
| static bool gHasSSSE3 = hasSSSE3(); |
| return gHasSSSE3; |
| } |
| |
| void SkBitmapProcState::platformProcs() { |
| if (cachedHasSSSE3()) { |
| if (fSampleProc32 == S32_opaque_D32_filter_DX) { |
| fSampleProc32 = S32_opaque_D32_filter_DX_SSSE3; |
| } else if (fSampleProc32 == S32_alpha_D32_filter_DX) { |
| fSampleProc32 = S32_alpha_D32_filter_DX_SSSE3; |
| } |
| |
| if (fSampleProc32 == S32_opaque_D32_filter_DXDY) { |
| fSampleProc32 = S32_opaque_D32_filter_DXDY_SSSE3; |
| } else if (fSampleProc32 == S32_alpha_D32_filter_DXDY) { |
| fSampleProc32 = S32_alpha_D32_filter_DXDY_SSSE3; |
| } |
| } else if (cachedHasSSE2()) { |
| if (fSampleProc32 == S32_opaque_D32_filter_DX) { |
| fSampleProc32 = S32_opaque_D32_filter_DX_SSE2; |
| } else if (fSampleProc32 == S32_alpha_D32_filter_DX) { |
| fSampleProc32 = S32_alpha_D32_filter_DX_SSE2; |
| } |
| } |
| |
| if (cachedHasSSSE3() || cachedHasSSE2()) { |
| if (fMatrixProc == ClampX_ClampY_filter_scale) { |
| fMatrixProc = ClampX_ClampY_filter_scale_SSE2; |
| } else if (fMatrixProc == ClampX_ClampY_nofilter_scale) { |
| fMatrixProc = ClampX_ClampY_nofilter_scale_SSE2; |
| } |
| |
| if (fMatrixProc == ClampX_ClampY_filter_affine) { |
| fMatrixProc = ClampX_ClampY_filter_affine_SSE2; |
| } else if (fMatrixProc == ClampX_ClampY_nofilter_affine) { |
| fMatrixProc = ClampX_ClampY_nofilter_affine_SSE2; |
| } |
| } |
| } |
| |
| static SkBlitRow::Proc32 platform_32_procs[] = { |
| NULL, // S32_Opaque, |
| S32_Blend_BlitRow32_SSE2, // S32_Blend, |
| S32A_Opaque_BlitRow32_SSE2, // S32A_Opaque |
| S32A_Blend_BlitRow32_SSE2, // S32A_Blend, |
| }; |
| |
| SkBlitRow::Proc SkBlitRow::PlatformProcs4444(unsigned flags) { |
| return NULL; |
| } |
| |
| SkBlitRow::Proc SkBlitRow::PlatformProcs565(unsigned flags) { |
| return NULL; |
| } |
| |
| SkBlitRow::ColorProc SkBlitRow::PlatformColorProc() { |
| if (cachedHasSSE2()) { |
| return Color32_SSE2; |
| } else { |
| return NULL; |
| } |
| } |
| |
| SkBlitRow::Proc32 SkBlitRow::PlatformProcs32(unsigned flags) { |
| if (cachedHasSSE2()) { |
| return platform_32_procs[flags]; |
| } else { |
| return NULL; |
| } |
| } |
| |
| |
| SkBlitMask::ColorProc SkBlitMask::PlatformColorProcs(SkBitmap::Config dstConfig, |
| SkMask::Format maskFormat, |
| SkColor color) { |
| if (SkMask::kA8_Format != maskFormat) { |
| return NULL; |
| } |
| |
| ColorProc proc = NULL; |
| if (cachedHasSSE2()) { |
| switch (dstConfig) { |
| case SkBitmap::kARGB_8888_Config: |
| // The SSE2 version is not (yet) faster for black, so we check |
| // for that. |
| if (SK_ColorBLACK != color) { |
| proc = SkARGB32_A8_BlitMask_SSE2; |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| return proc; |
| } |
| |
| SkBlitMask::BlitLCD16RowProc SkBlitMask::PlatformBlitRowProcs16(bool isOpaque) { |
| if (cachedHasSSE2()) { |
| if (isOpaque) { |
| return SkBlitLCD16OpaqueRow_SSE2; |
| } else { |
| return SkBlitLCD16Row_SSE2; |
| } |
| } else { |
| return NULL; |
| } |
| |
| } |
| SkBlitMask::RowProc SkBlitMask::PlatformRowProcs(SkBitmap::Config dstConfig, |
| SkMask::Format maskFormat, |
| RowFlags flags) { |
| return NULL; |
| } |
| |
| SkMemset16Proc SkMemset16GetPlatformProc() { |
| if (cachedHasSSE2()) { |
| return sk_memset16_SSE2; |
| } else { |
| return NULL; |
| } |
| } |
| |
| SkMemset32Proc SkMemset32GetPlatformProc() { |
| if (cachedHasSSE2()) { |
| return sk_memset32_SSE2; |
| } else { |
| return NULL; |
| } |
| } |
| |
| SkBlitRow::ColorRectProc PlatformColorRectProcFactory() { |
| if (cachedHasSSE2()) { |
| return ColorRect32_SSE2; |
| } else { |
| return NULL; |
| } |
| } |
| |
| |