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backends/graphics/atari/atari-graphics-asm.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef BACKENDS_GRAPHICS_ATARI_ASM_H
+#define BACKENDS_GRAPHICS_ATARI_ASM_H
+
+#include "common/scummsys.h"
+
+extern "C" {
+
+/**
+ * Copy 4bpl sprite into 4bpl buffer. Sprite's width must be multiply of 16.
+ *
+ * @param dstBuffer destination buffer (four bitplanes)
+ * @param srcBuffer source buffer (four bitplanes)
+ * @param srcMask source mask (one bitplane)
+ * @param destX sprite's X position (in pixels)
+ * @param destY sprite's Y position (in pixels)
+ * @param dstPitch destination buffer's pitch (in bytes)
+ * @param srcPitch source buffer's pitch (in bytes)
+ * @param w sprite's width (in pixels)
+ * @param h sprite's height (in pixels)
+ * @param skipFirstPix16 do not write first 16 pixels
+ * @param skipLastPix16 do not write last 16 pixels
+ */
+void asm_draw_4bpl_sprite(uint16 *dstBuffer, const uint16 *srcBuffer, const uint16 *srcMask,
+						  uint destX, uint destY, uint dstPitch, uint srcPitch, uint w, uint h,
+						  bool skipFirstPix16, bool skipLastPix16);
+/**
+ * Copy 8bpl sprite into 8bpl buffer. Sprite's width must be multiply of 16.
+ *
+ * @param dstBuffer destination buffer (eight bitplanes)
+ * @param srcBuffer source buffer (eight bitplanes)
+ * @param srcMask source mask (one bitplane)
+ * @param destX sprite's X position (in pixels)
+ * @param destY sprite's Y position (in pixels)
+ * @param dstPitch destination buffer's pitch (in bytes)
+ * @param srcPitch source buffer's pitch (in bytes)
+ * @param w sprite's width (in pixels)
+ * @param h sprite's height (in pixels)
+ * @param skipFirstPix16 do not write first 16 pixels
+ * @param skipLastPix16 do not write last 16 pixels
+ */
+void asm_draw_8bpl_sprite(uint16 *dstBuffer, const uint16 *srcBuffer, const uint16 *srcMask,
+						  uint destX, uint destY, uint dstPitch, uint srcPitch, uint w, uint h,
+						  bool skipFirstPix16, bool skipLastPix16);
+
+}
+
+#endif