static void decompress_and_huechange_r8g8b8a5h3_sprite_rle_texture(
	struct bitmap_data *bitmap, int miplevel, byte *write, struct shading_table_header *shading_header)
{
	byte *read = (byte*)bitmap->row_addresses[0];
	byte *end = write + 4*bitmap->width*bitmap->height;
	byte alpha_state = 0;

	do
	{
		if(IS_TRANSPARENT_OR_OPAQUE(alpha_state))
		{
			// decode RLE
			byte run_length = 0;
			run_length = *read++;
			if(run_length)
			{
				if(IS_OPAQUE(alpha_state))
				{
					decode_colorized(&write, &read, run_length, shading_header, alpha_state);
				}
				else
				{
					pixel32 *start = (pixel32*)write;
					pixel32 *end = start+run_length;
					fill(start, end, 0);
					write = (byte*)end;
				}
			}
			alpha_state = A5H3PIXEL(1,0);
		}
		else do
		{
			// decode plain
			alpha_state = *read++;
			if(A5H3PIXEL_A(alpha_state))
			{
				decode_colorized(&write, &read, 1, shading_header, alpha_state);
			}
			else
			{
				*(pixel32*)write = 0;
				write += 4;
			}
		} while(!IS_TRANSPARENT_OR_OPAQUE(alpha_state) && write < end);
	} while(write < end);
}

static void decompress_and_huechange_r8g8b8a5h3_sprite_rle_texture_2(
	struct bitmap_data *bitmap, int miplevel, byte *write_, struct shading_table_header *shading_header)
{
	pixel32 *write = (pixel32*)write_;
	byte *read = (byte*)bitmap->row_addresses[0];
	pixel32 *end = write + 4*bitmap->width*bitmap->height;
	byte alpha_state = 0, next_alpha_state;

	do
	{
		int run_length;

		if(IS_TRANSPARENT_OR_OPAQUE(alpha_state))
		{
			// decode RLE
			run_length = *read++;
			next_alpha_state = A5H3PIXEL(1,0);
			if(!run_length) {
				alpha_state = next_alpha_state;
				continue;
			}
		}
		else
		{
			// decode plain
			run_length = 1;
			next_alpha_state = alpha_state = *read++;
		}

		if(!A5H3PIXEL_A(alpha_state))
		{
			pixel32 *run_end = write + run_length;
			fill(write, run_end, 0);
			write = run_end;
		}
		else
		{
			decode_colorized((byte**)&write, &read, run_length, shading_header, alpha_state);
		}

		alpha_state = next_alpha_state;
	} while(write < end);
}