1 files changed, 65 insertions, 0 deletions
diff --git a/backends/ps2/DmaPipe.h b/backends/ps2/DmaPipe.h
new file mode 100644
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+++ b/backends/ps2/DmaPipe.h
@@ -0,0 +1,65 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001-2004 The ScummVM project
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+// minimalistic gfx pipe implementation based on Vzzrzzn's GfxPipe.
+
+#ifndef __DMAPIPE_H__
+#define __DMAPIPE_H__
+
+#include "sysdefs.h"
+#include "backends/ps2/GsDefs.h"
+
+class SinglePipe;
+
+struct GsVertex {
+	uint16 x, y, z;
+};
+
+struct TexVertex {
+	uint16 u, v;
+};
+
+class DmaPipe {
+public:
+	DmaPipe(uint32 size);
+	void uploadTex(uint32 dest, uint16 bufWidth, uint16 destOfsX, uint16 destOfsY, uint8 pixelFmt, const void *src, uint16 width, uint16 height);
+	void setTex(uint32 tex, uint32 texBufWidth, uint8 texPowW, uint8 texPowH, uint8 texPixFmt, uint32 clut, uint8 csm, uint32 clutBufWidth, uint32 clutPixFmt);
+	void setDrawBuffer(uint64 base, uint64 width, uint8 pixelFmt, uint64 mask);
+	void textureRect(uint16 x1, uint16 y1, uint16 u1, uint16 v1, uint16 x2, uint16 y2, uint16 u2, uint16 v2, uint16 z, uint32 colour);
+	void textureRect(const GsVertex *p1, const GsVertex *p2, const GsVertex *p3, const GsVertex *p4, const TexVertex *t1, const TexVertex *t2, const TexVertex *t3, const TexVertex *t4, uint32 rgba);
+	void flatRect(const GsVertex *p1, const GsVertex *p2, const GsVertex *p3, const GsVertex *p4, uint32 rgba);
+	void flatRect(const GsVertex *p1, const GsVertex *p2, uint32 rgba);
+
+	void setOrigin(uint16 x, uint16 y);
+	void setConfig(uint8 prModeCont, uint8 dither, uint8 colClamp);
+	void setScissorRect(uint64 x1, uint64 y1, uint64 x2, uint64 y2);
+	void setAlphaBlend(AlphaBlendColor a, AlphaBlendColor b, AlphaBlendAlpha c, AlphaBlendColor d, uint8 fix);
+	void flush(void);
+	void waitForDma(void);
+private:
+	void checkSpace(uint32 needed);
+	uint64 *_buf;
+	uint8 _curPipe;
+	SinglePipe *_pipes[2];
+};
+
+#endif //__DMAPIPE_H__
+