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106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
/*
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* Mesa 3-D graphics library
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* Version: 7.5
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*
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* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <precomp.h>
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/**
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* This function should be called before the various "cpu_has_foo" macros
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* are used.
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*/
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void
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_mesa_get_cpu_features(void)
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{
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#ifdef USE_X86_ASM
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_mesa_get_x86_features();
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#endif
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}
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/**
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* Return a string describing the CPU architexture and extensions that
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* Mesa is using (such as SSE or Altivec).
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* \return information string, free it with free()
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*/
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char *
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_mesa_get_cpu_string(void)
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{
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#define MAX_STRING 50
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char *buffer;
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buffer = (char *) malloc(MAX_STRING);
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if (!buffer)
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return NULL;
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buffer[0] = 0;
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#ifdef USE_X86_ASM
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if (_mesa_x86_cpu_features) {
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strcat(buffer, "x86");
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}
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# ifdef USE_MMX_ASM
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if (cpu_has_mmx) {
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strcat(buffer, (cpu_has_mmxext) ? "/MMX+" : "/MMX");
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}
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# endif
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# ifdef USE_3DNOW_ASM
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if (cpu_has_3dnow) {
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strcat(buffer, (cpu_has_3dnowext) ? "/3DNow!+" : "/3DNow!");
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}
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# endif
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# ifdef USE_SSE_ASM
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if (cpu_has_xmm) {
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strcat(buffer, (cpu_has_xmm2) ? "/SSE2" : "/SSE");
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}
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# endif
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#elif defined(USE_SPARC_ASM)
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strcat(buffer, "SPARC");
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#elif defined(USE_PPC_ASM)
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if (_mesa_ppc_cpu_features) {
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strcat(buffer, (cpu_has_64) ? "PowerPC 64" : "PowerPC");
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}
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# ifdef USE_VMX_ASM
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if (cpu_has_vmx) {
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strcat(buffer, "/Altivec");
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}
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# endif
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if (! cpu_has_fpu) {
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strcat(buffer, "/No FPU");
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}
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#endif
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assert(strlen(buffer) < MAX_STRING);
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return buffer;
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}
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