| 0,0 → 1,85 |
|---|
| /* |
| * Mesa 3-D graphics library |
| * |
| * Copyright (C) 2009 VMware, Inc. All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| |
| #include "main/compiler.h" |
| #include "main/cpuinfo.h" |
| |
| |
| /** |
| * This function should be called before the various "cpu_has_foo" macros |
| * are used. |
| */ |
| void |
| _mesa_get_cpu_features(void) |
| { |
| #ifdef USE_X86_ASM |
| _mesa_get_x86_features(); |
| #endif |
| } |
| |
| |
| /** |
| * Return a string describing the CPU architexture and extensions that |
| * Mesa is using (such as SSE or Altivec). |
| * \return information string, free it with free() |
| */ |
| char * |
| _mesa_get_cpu_string(void) |
| { |
| #define MAX_STRING 50 |
| char *buffer; |
| |
| buffer = malloc(MAX_STRING); |
| if (!buffer) |
| return NULL; |
| |
| buffer[0] = 0; |
| |
| #ifdef USE_X86_ASM |
| |
| if (_mesa_x86_cpu_features) { |
| strcat(buffer, "x86"); |
| } |
| |
| # ifdef USE_MMX_ASM |
| if (cpu_has_mmx) { |
| strcat(buffer, (cpu_has_mmxext) ? "/MMX+" : "/MMX"); |
| } |
| # endif |
| # ifdef USE_3DNOW_ASM |
| if (cpu_has_3dnow) { |
| strcat(buffer, (cpu_has_3dnowext) ? "/3DNow!+" : "/3DNow!"); |
| } |
| # endif |
| # ifdef USE_SSE_ASM |
| if (cpu_has_xmm) { |
| strcat(buffer, (cpu_has_xmm2) ? "/SSE2" : "/SSE"); |
| } |
| # endif |
| |
| assert(strlen(buffer) < MAX_STRING); |
| |
| return buffer; |
| } |