Merge branch 'master' into stable

1 files changed, 52 insertions, 0 deletions

diff --git a/Source/Core/VideoBackends/Software/OpcodeDecoder.h b/Source/Core/VideoBackends/Software/OpcodeDecoder.h
new file mode 100644
index 0000000000..83630fa202
--- /dev/null
+++ b/Source/Core/VideoBackends/Software/OpcodeDecoder.h
@@ -0,0 +1,52 @@
+// Copyright 2009 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "Common/CommonTypes.h"
+
+class PointerWrap;
+
+namespace OpcodeDecoder
+{
+
+	#define GX_NOP                      0x00
+
+	#define GX_LOAD_BP_REG              0x61
+	#define GX_LOAD_CP_REG              0x08
+	#define GX_LOAD_XF_REG              0x10
+	#define GX_LOAD_INDX_A              0x20
+	#define GX_LOAD_INDX_B              0x28
+	#define GX_LOAD_INDX_C              0x30
+	#define GX_LOAD_INDX_D              0x38
+
+	#define GX_CMD_CALL_DL              0x40
+	#define GX_CMD_INVL_VC              0x48
+
+	#define GX_PRIMITIVE_MASK           0x38
+	#define GX_PRIMITIVE_SHIFT          3
+	#define GX_VAT_MASK                 0x07
+
+	// These values are the values extracted using GX_PRIMITIVE_MASK
+	// and GX_PRIMITIVE_SHIFT.
+	// GX_DRAW_QUADS_2 behaves the same way as GX_DRAW_QUADS.
+	#define GX_DRAW_QUADS               0x0   //0x80
+	#define GX_DRAW_QUADS_2             0x1   //0x88
+	#define GX_DRAW_TRIANGLES           0x2   //0x90
+	#define GX_DRAW_TRIANGLE_STRIP      0x3   //0x98
+	#define GX_DRAW_TRIANGLE_FAN        0x4   //0xA0
+	#define GX_DRAW_LINES               0x5   //0xA8
+	#define GX_DRAW_LINE_STRIP          0x6   //0xB0
+	#define GX_DRAW_POINTS              0x7   //0xB8
+
+	void Init();
+
+	void ResetDecoding();
+
+	bool CommandRunnable(u32 iBufferSize);
+
+	void Run(u32 iBufferSize);
+
+	void DoState(PointerWrap &p);
+}