FOTAQ ARM optimization

svn-id: r15427

4 files changed, 82 insertions, 4 deletions

diff --git a/backends/PalmOS/Src/arm/PNOMain.cpp b/backends/PalmOS/Src/arm/PNOMain.cpp
index c85d694e22..1c1b2c051b 100644
--- a/backends/PalmOS/Src/arm/PNOMain.cpp
+++ b/backends/PalmOS/Src/arm/PNOMain.cpp
@@ -43,5 +43,9 @@ unsigned long PNO_Main(const void *emulStateP, void *userData68KP, Call68KFuncTy
 	Gdi_drawStripToScreen(userData68KP);
 #endif
 
+#ifdef COMPILE_BLIT
+	Display_blit(userData68KP);
+#endif
+
 	return ByteSwap32(retVal);
 }
diff --git a/backends/PalmOS/Src/arm/blit.cpp b/backends/PalmOS/Src/arm/blit.cpp
new file mode 100644
index 0000000000..cbbb7416c0
--- /dev/null
+++ b/backends/PalmOS/Src/arm/blit.cpp
@@ -0,0 +1,50 @@
+#include "native.h"
+#include "endianutils.h"
+
+#define MAIN_TYPE	BlitType
+#include "macros.h"
+
+#define memcpy MemMove
+
+void Display_blit(void *userData68KP) {
+// import variables
+	SETPTR	(uint8 *,		dstBuf		)
+	SETPTR	(const uint8 *,	srcBuf		)
+	SET16	(uint16,		dstPitch	)
+	SET16	(uint16,		srcPitch	)
+	SET16	(uint16,	w		)
+	SET16	(uint16,	h		)
+	SET8	(bool,		xflip	)
+	SET8	(bool,		masked	)
+// end of import
+
+	if (!masked) { // Unmasked always unflipped
+		while (h--) {
+			memcpy(dstBuf, srcBuf, w);
+			srcBuf += srcPitch;
+			dstBuf += dstPitch;
+		}
+	} else if (!xflip) { // Masked bitmap unflipped
+		while (h--) {
+			for(int i = 0; i < w; ++i) {
+				uint8 b = *(srcBuf + i);
+				if(b != 0) {
+					*(dstBuf + i) = b;
+				}
+			}
+			srcBuf += srcPitch;
+			dstBuf += dstPitch;
+		}
+	} else { // Masked bitmap flipped
+		while (h--) {
+			for(int i = 0; i < w; ++i) {
+				uint8 b = *(srcBuf + i);
+				if(b != 0) {
+					*(dstBuf - i) = b;
+				}
+			}
+			srcBuf += srcPitch;
+			dstBuf += dstPitch;
+		}
+	}
+}
\ No newline at end of file
diff --git a/backends/PalmOS/Src/arm/blit.h b/backends/PalmOS/Src/arm/blit.h
new file mode 100644
index 0000000000..2e8ece77fe
--- /dev/null
+++ b/backends/PalmOS/Src/arm/blit.h
@@ -0,0 +1,11 @@
+#ifndef __BLIT_H__
+#define __BLIT_H__
+
+#include <PalmOS.h>
+
+#define COMPILE_BLIT
+#define COMPILE_PACE
+
+void Display_blit(void *userData68KP);
+
+#endif
\ No newline at end of file
diff --git a/backends/PalmOS/Src/arm/native.h b/backends/PalmOS/Src/arm/native.h
index 0773fee63a..85e51a5730 100644
--- a/backends/PalmOS/Src/arm/native.h
+++ b/backends/PalmOS/Src/arm/native.h
@@ -9,6 +9,7 @@
 #ifndef __PALM_OS__
 
 typedef UInt8 byte;
+typedef UInt8 uint8;
 typedef Int32 int32;
 typedef UInt16 uint16;
 typedef unsigned int uint;
@@ -21,7 +22,8 @@ enum {
 	RSC_WIDEPORTRAIT,
 	RSC_COPYRECT,
 	RSC_COSTUMEPROC3,
-	RSC_DRAWSTRIP
+	RSC_DRAWSTRIP,
+	RSC_BLIT
 };
 
 enum {
@@ -29,6 +31,7 @@ enum {
 	PNO_WIDE,
 	PNO_COSTUMEPROC3,
 	PNO_DRAWSTRIP,
+	PNO_BLIT,
 	PNO_COUNT
 };
 
@@ -109,9 +112,7 @@ typedef struct {
 	int _outheight;
 
 	byte *_shadow_table;
-
-	 byte *_vm_proc_special_palette;
-	 byte *_palette;
+	byte *_palette;
 	byte _shadow_mode;
 } CostumeProc3Type;
 
@@ -128,6 +129,18 @@ typedef struct {
 	uint16 _textSurface_pitch;
 } DrawStripType;
 
+// Queen
+typedef struct {
+	uint8 *dstBuf;
+	const uint8 *srcBuf;
+	uint16 dstPitch;
+	uint16 srcPitch;
+	uint16 w;
+	uint16 h;
+	byte xflip;
+	byte masked;
+} BlitType;
+
 // calls
 MemPtr	_PceInit(DmResID resID);
 UInt32	_PceCall(void *armP, void *userDataP);