Factor out the RLE and blitting functions from bios_ia32 to platform/generic/ so it can be reused by other platforms.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32383 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/boot/platform/generic/video.h

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2009, Haiku Inc.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+#ifndef GENERIC_VIDEO_H
+#define GENERIC_VIDEO_H
+
+
+#include <SupportDefs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* blit helpers */
+
+/* platform code is responsible for setting the palette correctly */
+void video_blit_image(addr_t frameBuffer, uint32 bytesPerRow,
+	const uint8 *data, uint16 width, uint16 height, uint16 imageWidth,
+	uint16 left, uint16 top);
+
+/* platform code must implement 4bit on its own */
+void platform_blit4(addr_t frameBuffer, uint32 bytesPerRow, const uint8 *data,
+	uint16 width, uint16 height, uint16 imageWidth, uint16 left, uint16 top);
+
+
+/* Run Length Encoding splash decompression */
+
+void uncompress_24bit_RLE(const uint8 compressed[], uint8 *uncompressed);
+void uncompress_8bit_RLE(const uint8 compressed[], uint8 *uncompressed);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* GENERIC_VIDEO_H */