1 files changed, 71 insertions, 0 deletions
diff --git a/src/renderer/8bpp.cpp b/src/renderer/8bpp.cpp
new file mode 100644
index 000000000..2f595c6c9
--- /dev/null
+++ b/src/renderer/8bpp.cpp
@@ -0,0 +1,71 @@
+#include "../stdafx.h"
+#include "../gfx.h"
+#include "8bpp.hpp"
+
+static FRenderer_8bpp iFRenderer_8bpp;
+
+void *Renderer_8bpp::MoveTo(const void *video, int x, int y)
+{
+	return (uint8 *)video + x + y * _screen.pitch;
+}
+
+void Renderer_8bpp::SetPixel(void *video, int x, int y, uint8 color)
+{
+	*((uint8 *)video + x + y * _screen.pitch) = color;
+}
+
+void Renderer_8bpp::SetPixelIfEmpty(void *video, int x, int y, uint8 color)
+{
+	uint8 *dst = (uint8 *)video + x + y * _screen.pitch;
+	if (*dst == 0) *dst = color;
+}
+
+void Renderer_8bpp::SetHorizontalLine(void *video, int width, uint8 color)
+{
+	memset(video, color, width);
+}
+
+void Renderer_8bpp::CopyFromBuffer(void *video, const void *src, int width, int height, int src_pitch)
+{
+	int direction = (height < 0) ? -1 : 1;
+	uint8 *dst = (uint8 *)video;
+	uint8 *usrc = (uint8 *)src;
+
+	height = abs(height);
+	for (; height > 0; height--) {
+		memcpy(dst, usrc, width);
+		usrc += src_pitch * direction;
+		dst += _screen.pitch * direction;
+	}
+}
+
+void Renderer_8bpp::CopyToBuffer(const void *video, void *dst, int width, int height, int dst_pitch)
+{
+	int direction = (height < 0) ? -1 : 1;
+	uint8 *udst = (uint8 *)dst;
+	uint8 *src = (uint8 *)video;
+
+	height = abs(height);
+	for (; height > 0; height--) {
+		memcpy(udst, src, width);
+		src += _screen.pitch * direction;
+		udst += dst_pitch * direction;
+	}
+}
+
+void Renderer_8bpp::MoveBuffer(void *video_dst, const void *video_src, int width, int height)
+{
+	uint8 *dst = (uint8 *)video_dst;
+	uint8 *src = (uint8 *)video_src;
+
+	for (; height > 0; height--) {
+		memmove(dst, src, width);
+		src += _screen.pitch;
+		dst += _screen.pitch;
+	}
+}
+
+int Renderer_8bpp::BufferSize(int width, int height)
+{
+	return width * height;
+}