* Moved the SIMD code from AppServer.cpp to Painter.cpp where it is actually

needed. It might be best to put it into its own file, though.
* This is required in order to let our test environment work with the stricter
  runtime_loader we have now.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42787 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/servers/app/AppServer.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2001-2010, Haiku, Inc.
+ * Copyright 2001-2011, Haiku, Inc.
  * Distributed under the terms of the MIT license.
  *
  * Authors:
@@ -40,71 +40,6 @@ BTokenSpace gTokenSpace;
 uint32 gAppServerSIMDFlags = 0;
 
 
-/*!	Detect SIMD flags for use in AppServer. Checks all CPUs in the system
-	and chooses the minimum supported set of instructions.
-*/
-static void
-detect_simd()
-{
-#if __INTEL__
-	// Only scan CPUs for which we are certain the SIMD flags are properly
-	// defined.
-	const char* vendorNames[] = {
-		"GenuineIntel",
-		"AuthenticAMD",
-		"CentaurHauls", // Via CPUs, MMX and SSE support
-		"RiseRiseRise", // should be MMX-only
-		"CyrixInstead", // MMX-only, but custom MMX extensions
-		"GenuineTMx86", // MMX and SSE
-		0
-	};
-
-	system_info systemInfo;
-	if (get_system_info(&systemInfo) != B_OK)
-		return;
-
-	// We start out with all flags set and end up with only those flags
-	// supported across all CPUs found.
-	uint32 appServerSIMD = 0xffffffff;
-
-	for (int32 cpu = 0; cpu < systemInfo.cpu_count; cpu++) {
-		cpuid_info cpuInfo;
-		get_cpuid(&cpuInfo, 0, cpu);
-
-		// Get the vendor string and terminate it manually
-		char vendor[13];
-		memcpy(vendor, cpuInfo.eax_0.vendor_id, 12);
-		vendor[12] = 0;
-
-		bool vendorFound = false;
-		for (uint32 i = 0; vendorNames[i] != 0; i++) {
-			if (strcmp(vendor, vendorNames[i]) == 0)
-				vendorFound = true;
-		}
-
-		uint32 cpuSIMD = 0;
-		uint32 maxStdFunc = cpuInfo.regs.eax;
-		if (vendorFound && maxStdFunc >= 1) {
-			get_cpuid(&cpuInfo, 1, 0);
-			uint32 edx = cpuInfo.regs.edx;
-			if (edx & (1 << 23))
-				cpuSIMD |= APPSERVER_SIMD_MMX;
-			if (edx & (1 << 25))
-				cpuSIMD |= APPSERVER_SIMD_SSE;
-		} else {
-			// no flags can be identified
-			cpuSIMD = 0;
-		}
-		appServerSIMD &= cpuSIMD;
-	}
-	gAppServerSIMDFlags = appServerSIMD;
-#endif	// __INTEL__
-}
-
-
-//	#pragma mark -
-
-
 /*!	\brief Constructor
 
 	This loads the default fonts, allocates all the major global variables,
@@ -128,9 +63,6 @@ AppServer::AppServer()
 
 	sAppServer = this;
 
-	// Initialize SIMD flags
-	detect_simd();
-
 	gInputManager = new InputManager();
 
 	// Create the font server and scan the proper directories.

src/servers/app/AppServer.h

@@ -1,8 +1,9 @@
 /*
- * Copyright (c) 2001-2005, Haiku, Inc.
+ * Copyright 2001-2011, Haiku, Inc.
  * Distributed under the terms of the MIT license.
  *
- * Author: DarkWyrm <[email protected]>
+ * Authors:
+ *		DarkWyrm <[email protected]>
  */
 #ifndef	APP_SERVER_H
 #define	APP_SERVER_H
@@ -54,12 +55,9 @@ class AppServer : public MessageLooper  {
 		BLocker			fDesktopLock;
 };
 
+
 extern BitmapManager *gBitmapManager;
 extern port_id gAppServerPort;
-extern uint32 gAppServerSIMDFlags;
 
-// Defines for SIMD support. Early implementation, subject to change
-#define APPSERVER_SIMD_MMX	(1 << 0)
-#define APPSERVER_SIMD_SSE	(1 << 1)
 
 #endif	/* APP_SERVER_H */

src/servers/app/drawing/Painter/Painter.cpp

@@ -81,8 +81,86 @@ using std::nothrow;
 #define CHECK_CLIPPING	if (!fValidClipping) return BRect(0, 0, -1, -1);
 #define CHECK_CLIPPING_NO_RETURN	if (!fValidClipping) return;
 
+// Defines for SIMD support.
+#define APPSERVER_SIMD_MMX	(1 << 0)
+#define APPSERVER_SIMD_SSE	(1 << 1)
+
+// Prototypes for assembler routines
+extern "C" {
+	void bilinear_scale_xloop_mmxsse(const uint8* src, void* dst,
+		void* xWeights, uint32 xmin, uint32 xmax, uint32 wTop, uint32 srcBPR);
+}
+
+static uint32 detect_simd();
+
+static uint32 sSIMDFlags = detect_simd();
+
+
+/*!	Detect SIMD flags for use in AppServer. Checks all CPUs in the system
+	and chooses the minimum supported set of instructions.
+*/
+static uint32
+detect_simd()
+{
+#if __INTEL__
+	// Only scan CPUs for which we are certain the SIMD flags are properly
+	// defined.
+	const char* vendorNames[] = {
+		"GenuineIntel",
+		"AuthenticAMD",
+		"CentaurHauls", // Via CPUs, MMX and SSE support
+		"RiseRiseRise", // should be MMX-only
+		"CyrixInstead", // MMX-only, but custom MMX extensions
+		"GenuineTMx86", // MMX and SSE
+		0
+	};
+
+	system_info systemInfo;
+	if (get_system_info(&systemInfo) != B_OK)
+		return 0;
+
+	// We start out with all flags set and end up with only those flags
+	// supported across all CPUs found.
+	uint32 systemSIMD = 0xffffffff;
+
+	for (int32 cpu = 0; cpu < systemInfo.cpu_count; cpu++) {
+		cpuid_info cpuInfo;
+		get_cpuid(&cpuInfo, 0, cpu);
+
+		// Get the vendor string and terminate it manually
+		char vendor[13];
+		memcpy(vendor, cpuInfo.eax_0.vendor_id, 12);
+		vendor[12] = 0;
+
+		bool vendorFound = false;
+		for (uint32 i = 0; vendorNames[i] != 0; i++) {
+			if (strcmp(vendor, vendorNames[i]) == 0)
+				vendorFound = true;
+		}
+
+		uint32 cpuSIMD = 0;
+		uint32 maxStdFunc = cpuInfo.regs.eax;
+		if (vendorFound && maxStdFunc >= 1) {
+			get_cpuid(&cpuInfo, 1, 0);
+			uint32 edx = cpuInfo.regs.edx;
+			if (edx & (1 << 23))
+				cpuSIMD |= APPSERVER_SIMD_MMX;
+			if (edx & (1 << 25))
+				cpuSIMD |= APPSERVER_SIMD_SSE;
+		} else {
+			// no flags can be identified
+			cpuSIMD = 0;
+		}
+		systemSIMD &= cpuSIMD;
+	}
+	return systemSIMD;
+#endif	// __INTEL__
+}
+
+
+// #pragma mark -
+
 
-// constructor
 Painter::Painter()
 	:
 	fBuffer(),
@@ -2314,7 +2392,7 @@ Painter::_DrawBitmapBilinearCopy32(agg::rendering_buffer& srcBuffer,
 	int codeSelect = kUseDefaultVersion;
 
 	uint32 neededSIMDFlags = APPSERVER_SIMD_MMX | APPSERVER_SIMD_SSE;
-	if ((gAppServerSIMDFlags & neededSIMDFlags) == neededSIMDFlags)
+	if ((sSIMDFlags & neededSIMDFlags) == neededSIMDFlags)
 		codeSelect = kUseSIMDVersion;
 	else {
 		if (xScale == yScale && (xScale == 1.5 || xScale == 2.0

src/servers/app/drawing/Painter/Painter.h

@@ -7,10 +7,10 @@
  * rendering pipe-lines for stroke, fills, bitmap and text rendering.
  *
  */
- 
 #ifndef PAINTER_H
 #define PAINTER_H
 
+
 #include "AGGTextRenderer.h"
 #include "FontManager.h"
 #include "PatternHandler.h"
@@ -25,14 +25,6 @@
 #include <Rect.h>
 
 
-// Prototypes for assembler routines
-extern "C" {
-	void bilinear_scale_xloop_mmxsse(const uint8* src, void* dst, void* xWeights,
-		uint32 xmin, uint32 xmax, uint32 wTop, uint32 srcBPR );
-}
-
-extern uint32 gAppServerSIMDFlags;
-
 class BBitmap;
 class BRegion;
 class BGradient;
@@ -404,5 +396,3 @@ Painter::AlignAndClipRect(BRect rect) const
 
 
 #endif // PAINTER_H
-
-