[PATCH 15/15] exynos: fimg2d: introduce G2D_OP_INTERPOLATE

[Tobias Jakobi]

This sets up the blending equation in the following way:
out = src * src_alpha + dst * (1 - src_alpha)

Signed-off-by: Tobias Jakobi <tjakobi at math.uni-bielefeld.de>
---
 exynos/exynos_fimg2d.c | 4 ++++
 exynos/exynos_fimg2d.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/exynos/exynos_fimg2d.c b/exynos/exynos_fimg2d.c
index 1b0bfdf..5829f14 100644
--- a/exynos/exynos_fimg2d.c
+++ b/exynos/exynos_fimg2d.c
@@ -84,6 +84,10 @@ static unsigned int g2d_get_blend_op(enum e_g2d_op op)
                SET_BF(val, G2D_COEFF_MODE_ONE, 0, 0, 0,
                                G2D_COEFF_MODE_SRC_ALPHA, 1, 0, 0);
                break;
+       case G2D_OP_INTERPOLATE:
+               SET_BF(val, G2D_COEFF_MODE_SRC_ALPHA, 0, 0, 0,
+                               G2D_COEFF_MODE_SRC_ALPHA, 1, 0, 0);
+               break;
        default:
                fprintf(stderr, "Not support operation(%d).\n", op);
                SET_BF(val, G2D_COEFF_MODE_ONE, 0, 0, 0, G2D_COEFF_MODE_ZERO,
diff --git a/exynos/exynos_fimg2d.h b/exynos/exynos_fimg2d.h
index 78cff47..79e6907 100644
--- a/exynos/exynos_fimg2d.h
+++ b/exynos/exynos_fimg2d.h
@@ -149,6 +149,7 @@ enum e_g2d_op {
        G2D_OP_SRC                      = 0x01,
        G2D_OP_DST                      = 0x02,
        G2D_OP_OVER                     = 0x03,
+       G2D_OP_INTERPOLATE              = 0x04,
        G2D_OP_DISJOINT_CLEAR           = 0x10,
        G2D_OP_DISJOINT_SRC             = 0x11,
        G2D_OP_DISJOINT_DST             = 0x12,
-- 
2.0.5