puae 2.3.0

src/p96_blit.c

+
+#if BLT_SIZE == 3
+static void NOINLINE BLT_NAME (unsigned int w, unsigned int h, uae_u8 *src, uae_u8 *dst, int srcpitch, int dstpitch)
+{
+	uae_u8 *src2 = src;
+	uae_u8 *dst2 = dst;
+	uae_u32 *src2_32 = (uae_u32*)src;
+	uae_u32 *dst2_32 = (uae_u32*)dst;
+	unsigned int y, x, ww, xxd;
+#ifdef BLT_TEMP
+	uae_u32 tmp;
+#endif
+	w *= BLT_SIZE;
+	ww = w / 4;
+	xxd = w - (ww * 4);
+	for(y = 0; y < h; y++) {
+		uae_u8 *src_8;
+		uae_u8 *dst_8;
+		uae_u32 *src_32 = (uae_u32*)src2;
+		uae_u32 *dst_32 = (uae_u32*)dst2;
+		for (x = 0; x < ww; x++) {
+			BLT_FUNC (src_32, dst_32);
+			src_32++; dst_32++;
+		}
+		src_8 = (uae_u8*)src_32;
+		dst_8 = (uae_u8*)dst_32;
+		for (x = 0; x < xxd; x++) {
+			BLT_FUNC (src_8, dst_8);
+			src_8++;
+			dst_8++;
+		}
+		dst2 += dstpitch;
+		src2 += srcpitch;
+	}
+}
+#else
+static void NOINLINE BLT_NAME (unsigned int w, unsigned int h, uae_u8 *src, uae_u8 *dst, int srcpitch, int dstpitch)
+{
+	uae_u8 *src2 = src;
+	uae_u8 *dst2 = dst;
+	uae_u32 *src2_32 = (uae_u32*)src;
+	uae_u32 *dst2_32 = (uae_u32*)dst;
+	unsigned int y, x, ww, xxd;
+#ifdef BLT_TEMP
+#if BLT_SIZE == 4
+	uae_u32 tmp;
+#elif BLT_SIZE == 2
+	uae_u16 tmp;
+#else
+	uae_u8 tmp;
+#endif
+#endif
+
+	if (w < 8 * BLT_MULT) {
+		ww = w / BLT_MULT;
+		for(y = 0; y < h; y++) {
+			uae_u32 *src_32 = (uae_u32*)src2;
+			uae_u32 *dst_32 = (uae_u32*)dst2;
+			for (x = 0; x < ww; x++) {
+				BLT_FUNC (src_32, dst_32);
+				src_32++; dst_32++;
+			}
+#if BLT_SIZE == 2
+			if (w & 1) {
+				uae_u16 *src_16 = (uae_u16*)src_32;
+				uae_u16 *dst_16 = (uae_u16*)dst_32;
+				BLT_FUNC (src_16, dst_16);
+			}
+#elif BLT_SIZE == 1
+			{
+				int wb = w & 3;
+				uae_u8 *src_8 = (uae_u8*)src_32;
+				uae_u8 *dst_8 = (uae_u8*)dst_32;
+				while (wb--) {
+					BLT_FUNC (src_8, dst_8);
+					src_8++;
+					dst_8++;
+				}
+			}
+#endif
+			dst2 += dstpitch;
+			src2 += srcpitch;
+		}
+		return;
+	}
+
+	ww = w / (8 * BLT_MULT);
+	xxd = (w - ww * (8 * BLT_MULT)) / BLT_MULT;
+	for(y = 0; y < h; y++) {
+		uae_u32 *src_32 = (uae_u32*)src2;
+		uae_u32 *dst_32 = (uae_u32*)dst2;
+		for (x = 0; x < ww; x++) {
+			BLT_FUNC (src_32, dst_32);
+			src_32++; dst_32++;
+			BLT_FUNC (src_32, dst_32);
+			src_32++; dst_32++;
+			BLT_FUNC (src_32, dst_32);
+			src_32++; dst_32++;
+			BLT_FUNC (src_32, dst_32);
+			src_32++; dst_32++;
+			BLT_FUNC (src_32, dst_32);
+			src_32++; dst_32++;
+			BLT_FUNC (src_32, dst_32);
+			src_32++; dst_32++;
+			BLT_FUNC (src_32, dst_32);
+			src_32++; dst_32++;
+			BLT_FUNC (src_32, dst_32);
+			src_32++; dst_32++;
+		}
+		for (x = 0; x < xxd; x++) {
+			BLT_FUNC (src_32, dst_32);
+			src_32++; dst_32++;
+		}
+#if BLT_SIZE == 2
+		if (w & 1) {
+			uae_u16 *src_16 = (uae_u16*)src_32;
+			uae_u16 *dst_16 = (uae_u16*)dst_32;
+			BLT_FUNC (src_16, dst_16);
+		}
+#elif BLT_SIZE == 1
+		{
+			int wb = w & 3;
+			uae_u8 *src_8 = (uae_u8*)src_32;
+			uae_u8 *dst_8 = (uae_u8*)dst_32;
+			while (wb--) {
+				BLT_FUNC (src_8, dst_8);
+				src_8++;
+				dst_8++;
+			}
+		}
+#endif
+		dst2 += dstpitch;
+		src2 += srcpitch;
+	}
+}
+#endif
+#undef BLT_NAME
+#undef BLT_FUNC
+#ifdef BLT_TEMP
+#undef BLT_TEMP
+#endif
\ No newline at end of file