Add run-time cpu capabilities detection stubs.

5 files changed, 97 insertions, 3 deletions

diff --git a/src/gallium/auxiliary/draw/draw_vf_sse.c b/src/gallium/auxiliary/draw/draw_vf_sse.c
index 1e889deeea..6076f9849d 100644
--- a/src/gallium/auxiliary/draw/draw_vf_sse.c
+++ b/src/gallium/auxiliary/draw/draw_vf_sse.c
@@ -35,8 +35,8 @@
 
 #if defined(USE_SSE_ASM)
 
+#include "rtasm/rtasm_cpu.h"
 #include "rtasm/rtasm_x86sse.h"
-#include "x86/common_x86_asm.h"
 
 
 #define X    0
@@ -576,7 +576,7 @@ void draw_vf_generate_sse_emit( struct draw_vertex_fetch *vf )
 {
    struct x86_program p;   
 
-   if (!cpu_has_xmm) {
+   if (!rtasm_cpu_has_sse()) {
       vf->codegen_emit = NULL;
       return;
    }
@@ -586,7 +586,7 @@ void draw_vf_generate_sse_emit( struct draw_vertex_fetch *vf )
    p.vf = vf;
    p.inputs_safe = 0;		/* for now */
    p.outputs_safe = 1;		/* for now */
-   p.have_sse2 = cpu_has_xmm2;
+   p.have_sse2 = rtasm_cpu_has_sse2();
    p.identity = x86_make_reg(file_XMM, 6);
    p.chan0 = x86_make_reg(file_XMM, 7);
 
diff --git a/src/gallium/auxiliary/rtasm/Makefile b/src/gallium/auxiliary/rtasm/Makefile
index bc339d2aa6..9b972f8f86 100644
--- a/src/gallium/auxiliary/rtasm/Makefile
+++ b/src/gallium/auxiliary/rtasm/Makefile
@@ -4,6 +4,7 @@ include $(TOP)/configs/current
 LIBNAME = rtasm
 
 C_SOURCES = \
+	rtasm_cpu.c \
 	rtasm_execmem.c \
 	rtasm_x86sse.c
 
diff --git a/src/gallium/auxiliary/rtasm/SConscript b/src/gallium/auxiliary/rtasm/SConscript
index 6eca1fe4c0..ac41a4f212 100644
--- a/src/gallium/auxiliary/rtasm/SConscript
+++ b/src/gallium/auxiliary/rtasm/SConscript
@@ -3,6 +3,7 @@ Import('*')
 rtasm = env.ConvenienceLibrary(
 	target = 'rtasm',
 	source = [
+		'rtasm_cpu.c',
 		'rtasm_execmem.c',
 		'rtasm_x86sse.c'
 	])
diff --git a/src/gallium/auxiliary/rtasm/rtasm_cpu.c b/src/gallium/auxiliary/rtasm/rtasm_cpu.c
new file mode 100644
index 0000000000..eb3359750b
--- /dev/null
+++ b/src/gallium/auxiliary/rtasm/rtasm_cpu.c
@@ -0,0 +1,50 @@
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 "rtasm_cpu.h"
+
+
+int rtasm_cpu_has_sse(void)
+{
+   /* FIXME: actually detect this at run-time */
+#if defined(__i386__) || defined(__386__)
+   return 1;
+#else
+   return 0;
+#endif
+}
+
+int rtasm_cpu_has_sse2(void) 
+{
+   /* FIXME: actually detect this at run-time */
+#if defined(__i386__) || defined(__386__)
+   return 1;
+#else
+   return 0;
+#endif
+}
diff --git a/src/gallium/auxiliary/rtasm/rtasm_cpu.h b/src/gallium/auxiliary/rtasm/rtasm_cpu.h
new file mode 100644
index 0000000000..ebc71634fd
--- /dev/null
+++ b/src/gallium/auxiliary/rtasm/rtasm_cpu.h
@@ -0,0 +1,42 @@
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Runtime detection of CPU capabilities.
+ */
+
+#ifndef _RTASM_CPU_H_
+#define _RTASM_CPU_H_
+
+
+int rtasm_cpu_has_sse(void);
+
+int rtasm_cpu_has_sse2(void);
+
+
+#endif /* _RTASM_CPU_H_ */