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authorBrian Paul <brianp@vmware.com>2009-03-04 16:40:22 -0700
committerBrian Paul <brianp@vmware.com>2009-03-04 16:43:39 -0700
commit2cbc4655a892e5924e51a4c59696c776bcf60716 (patch)
tree2d8612e4f91a3364acf6edc26f973a39900104fa /src
parent16d72437eac3ea9c557424edfc98cd664f4c4ed3 (diff)
mesa: new cpuinfo.c file to init/query cpu info and extensions
Diffstat (limited to 'src')
-rw-r--r--src/mesa/SConscript1
-rw-r--r--src/mesa/main/cpuinfo.c109
-rw-r--r--src/mesa/main/cpuinfo.h47
-rw-r--r--src/mesa/sources.mak1
4 files changed, 158 insertions, 0 deletions
diff --git a/src/mesa/SConscript b/src/mesa/SConscript
index f8edb25d7a..b2f3d96d93 100644
--- a/src/mesa/SConscript
+++ b/src/mesa/SConscript
@@ -40,6 +40,7 @@ if env['platform'] != 'winddk':
'main/colortab.c',
'main/context.c',
'main/convolve.c',
+ 'main/cpuinfo.c',
'main/debug.c',
'main/depth.c',
'main/depthstencil.c',
diff --git a/src/mesa/main/cpuinfo.c b/src/mesa/main/cpuinfo.c
new file mode 100644
index 0000000000..b4bfb40eb1
--- /dev/null
+++ b/src/mesa/main/cpuinfo.c
@@ -0,0 +1,109 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.5
+ *
+ * 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
+ * BRIAN PAUL 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/imports.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 _mesa_free()
+ */
+char *
+_mesa_get_cpu_string(void)
+{
+#define MAX_STRING 50
+ char *buffer;
+
+ buffer = (char *) _mesa_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
+
+#elif defined(USE_SPARC_ASM)
+
+ strcat(buffer, "SPARC");
+
+#elif defined(USE_PPC_ASM)
+
+ if (_mesa_ppc_cpu_features) {
+ strcat(buffer, (cpu_has_64) ? "PowerPC 64" : "PowerPC");
+ }
+
+# ifdef USE_VMX_ASM
+
+ if (cpu_has_vmx) {
+ strcat(buffer, "/Altivec");
+ }
+
+# endif
+
+ if (! cpu_has_fpu) {
+ strcat(buffer, "/No FPU");
+ }
+
+#endif
+
+ assert(_mesa_strlen(buffer) < MAX_STRING);
+
+ return buffer;
+}
diff --git a/src/mesa/main/cpuinfo.h b/src/mesa/main/cpuinfo.h
new file mode 100644
index 0000000000..c41a90b075
--- /dev/null
+++ b/src/mesa/main/cpuinfo.h
@@ -0,0 +1,47 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.5
+ *
+ * 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
+ * BRIAN PAUL 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.
+ */
+
+
+#ifndef CPUINFO_H
+#define CPUINFO_H
+
+
+#if defined(USE_X86_ASM)
+#include "x86/common_x86_asm.h"
+#endif
+
+#if defined(USE_PPC_ASM)
+#include "ppc/common_ppc_features.h"
+#endif
+
+
+extern void
+_mesa_get_cpu_features(void);
+
+
+extern char *
+_mesa_get_cpu_string(void);
+
+
+#endif /* CPUINFO_H */
diff --git a/src/mesa/sources.mak b/src/mesa/sources.mak
index 66b4625bfd..f019ef40ba 100644
--- a/src/mesa/sources.mak
+++ b/src/mesa/sources.mak
@@ -17,6 +17,7 @@ MAIN_SOURCES = \
main/colortab.c \
main/context.c \
main/convolve.c \
+ main/cpuinfo.c \
main/debug.c \
main/depth.c \
main/depthstencil.c \