1 files changed, 149 insertions, 0 deletions

diff --git a/libraries/evas/src/lib/engines/common_16/evas_soft16_point_blend.c b/libraries/evas/src/lib/engines/common_16/evas_soft16_point_blend.c
new file mode 100644
index 0000000..8cd02d5
--- /dev/null
+++ b/libraries/evas/src/lib/engines/common_16/evas_soft16_point_blend.c
@@ -0,0 +1,149 @@
+/** NOTE: This file is meant to be included by users **/
+
+/** NOTE2: r, g, b parameters are 16bits, so you can pass 0 to 256 inclusive.
+ **        this is due our division by 256 when multiplying the color.
+ **/
+
+/*****************************************************************************
+ * Scanline processing
+ *
+ *    _soft16_pt_<description>_<src>_<dst>[_<modifier>]()
+ *
+ ****************************************************************************/
+
+/***********************************************************************
+ * Regular blend operations
+ */
+
+EFL_ALWAYS_INLINE void
+_soft16_pt_blend_transp_solid(DATA16 *p_dst, DATA16 src, DATA8 alpha)
+{
+   if (alpha == 31) *p_dst = src;
+   else if (alpha != 0)
+     {
+        DATA32 a, b;
+
+        a = RGB_565_UNPACK(src);
+        b = RGB_565_UNPACK(*p_dst);
+        b = RGB_565_UNPACKED_BLEND(a, b, alpha);
+        *p_dst = RGB_565_PACK(b);
+     }
+}
+
+EFL_ALWAYS_INLINE void
+_soft16_pt_blend_solid_solid(DATA16 *p_dst, DATA16 src)
+{
+   *p_dst = src;
+}
+
+/***********************************************************************
+ * Blend operations taking an extra alpha (fade in, out)
+ */
+
+EFL_ALWAYS_INLINE void
+_soft16_pt_blend_transp_solid_mul_alpha(DATA16 *p_dst, DATA16 src, DATA8 alpha, DATA8 rel_alpha)
+{
+   DATA32 a, b;
+
+   alpha = (alpha * rel_alpha) >> 5;
+   if (alpha == 0)
+     return;
+
+   alpha++;
+
+   a = ((RGB_565_UNPACK(src) * rel_alpha) >> 5) & RGB_565_UNPACKED_MASK;
+   b = RGB_565_UNPACK(*p_dst);
+   b = RGB_565_UNPACKED_BLEND(a, b, alpha);
+   *p_dst = RGB_565_PACK(b);
+}
+
+EFL_ALWAYS_INLINE void
+_soft16_pt_blend_solid_solid_mul_alpha(DATA16 *p_dst, DATA16 src, DATA8 rel_alpha)
+{
+   DATA32 a, b;
+   a = RGB_565_UNPACK(src);
+   b = RGB_565_UNPACK(*p_dst);
+   b = RGB_565_UNPACKED_BLEND_UNMUL(a, b, rel_alpha);
+   *p_dst = RGB_565_PACK(b);
+}
+
+/***********************************************************************
+ * Blend operations with extra alpha and multiply color
+ */
+
+EFL_ALWAYS_INLINE void
+_soft16_pt_blend_transp_solid_mul_color_transp(DATA16 *p_dst, DATA16 src, DATA8 alpha, DATA8 rel_alpha, DATA16 r, DATA16 g, DATA16 b)
+{
+   DATA32 rgb, d;
+   int r1, g1, b1;
+
+   alpha = (alpha * rel_alpha) >> 5;
+   if (alpha == 0)
+     return;
+
+   alpha++;
+
+   r1 = ((((src) >> 11) & 0x1f) * r) >> 5;
+   g1 = ((((src) >> 5) & 0x3f) * g) >> 6;
+   b1 = (((src) & 0x1f) * b) >> 5;
+   rgb = ((r1 << 11) | (g1 << 21) | b1) & RGB_565_UNPACKED_MASK;
+   d = RGB_565_UNPACK(*p_dst);
+   d = RGB_565_UNPACKED_BLEND(rgb, d, alpha);
+
+   *p_dst = RGB_565_PACK(d);
+}
+
+EFL_ALWAYS_INLINE void
+_soft16_pt_blend_solid_solid_mul_color_transp(DATA16 *p_dst, DATA16 src, DATA8 rel_alpha, DATA16 r, DATA16 g, DATA16 b)
+{
+   int r1, g1, b1;
+   DATA32 rgb, d;
+
+   r1 = ((((src) >> 11) & 0x1f) * r) >> 5;
+   g1 = ((((src) >> 5) & 0x3f) * g) >> 6;
+   b1 = (((src) & 0x1f) * b) >> 5;
+
+   rgb = ((r1 << 11) | (g1 << 21) | b1) & RGB_565_UNPACKED_MASK;
+   d = RGB_565_UNPACK(*p_dst);
+   d = RGB_565_UNPACKED_BLEND(rgb, d, rel_alpha);
+   *p_dst = RGB_565_PACK(d);
+}
+
+/***********************************************************************
+ * Blend operations with extra multiply color
+ */
+
+EFL_ALWAYS_INLINE void
+_soft16_pt_blend_transp_solid_mul_color_solid(DATA16 *p_dst, DATA16 src, DATA8 alpha, DATA8 r, DATA8 g, DATA8 b)
+{
+   int r1, g1, b1;
+
+   if (alpha == 0) return;
+
+   r1 = ((((src >> 11) & 0x1f) * r) >> 5) & 0x1f;
+   g1 = ((((src >> 5) & 0x3f) * g) >> 6) & 0x3f;
+   b1 = (((src & 0x1f) * b) >> 5) & 0x1f;
+
+   if (alpha == 31) *p_dst = (r1 << 11) | (g1 << 5) | b1;
+   else
+     {
+        DATA32 rgb_unpack, d;
+
+        rgb_unpack = ((r1 << 11) | (g1 << 21) | b1) & RGB_565_UNPACKED_MASK;
+        d = RGB_565_UNPACK(*p_dst);
+        d = RGB_565_UNPACKED_BLEND(rgb_unpack, d, alpha);
+        *p_dst = RGB_565_PACK(d);
+     }
+}
+
+EFL_ALWAYS_INLINE void
+_soft16_pt_blend_solid_solid_mul_color_solid(DATA16 *p_dst, DATA16 src, DATA16 r, DATA16 g, DATA16 b)
+{
+   int r1, g1, b1;
+
+   r1 = ((((src >> 11) & 0x1f) * r) >> 5) & 0x1f;
+   g1 = ((((src >> 5) & 0x3f) * g) >> 6) & 0x3f;
+   b1 = (((src & 0x1f) * b) >> 5) & 0x1f;
+
+   *p_dst = (r1 << 11) | (g1 << 5) | b1;
+}