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fix prescale dst_w bug

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This commit is contained in:
zsq
2012-06-04 18:54:22 +08:00
parent 2f53019fef
commit aaa9449d3d
1 changed files with 17 additions and 10 deletions
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27
drivers/video/rockchip/rga/RGA_API.c
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@@ -114,26 +114,29 @@ int32_t RGA_gen_two_pro(struct rga_req *msg, struct rga_req *msg1)
if ((w_ratio >= (2<<16)) && (w_ratio < (4<<16))) {
daw = (msg->src.act_w + 1) >> 1;
if((IS_YUV_420(msg->dst.format)) && (daw & 1)) {
msg->src.act_w = (daw - 1) << 1;
daw -= 1;
msg->src.act_w = daw << 1;
}
}
else if ((w_ratio >= (4<<16)) && (w_ratio < (8<<16))) {
daw = (msg->src.act_w + 3) >> 2;
if((IS_YUV_420(msg->dst.format)) && (daw & 1)) {
msg->src.act_w = (daw - 1) << 2;
daw -= 1;
msg->src.act_w = daw << 2;
}
}
else if ((w_ratio >= (8<<16)) && (w_ratio < (16<<16))) {
daw = (msg->src.act_w + 7) >> 3;
if((IS_YUV_420(msg->dst.format)) && (daw & 1)) {
msg->src.act_w = (daw - 1) << 3;
daw -= 1;
msg->src.act_w = daw << 3;
}
}
else
{
daw = msg->src.act_w;
}
pl = (RGA_pixel_width_init(msg->src.format));
stride = (pl * daw + 3) & (~3);
msg->dst.act_w = daw;
@@ -141,28 +144,32 @@ int32_t RGA_gen_two_pro(struct rga_req *msg, struct rga_req *msg1)
/*pre_scale_h cal*/
if ((h_ratio >= (2<<16)) && (h_ratio < (4<<16))) {
dah = (msg->src.act_h + 1) >> 1;
dah = (msg->src.act_h + 1) >> 1;
if((IS_YUV(msg->dst.format)) && (dah & 1)) {
msg->src.act_h = (dah - 1) << 1;
dah -= 1;
msg->src.act_h = dah << 1;
}
}
else if ((h_ratio >= (4<<16)) && (h_ratio < (8<<16))) {
dah = (msg->src.act_h + 3) >> 2;
dah = (msg->src.act_h + 3) >> 2;
if((IS_YUV(msg->dst.format)) && (dah & 1)) {
msg->src.act_h = (dah - 1) << 2;
dah -= 1;
msg->src.act_h = dah << 2;
}
}
else if ((h_ratio >= (8<<16)) && (h_ratio < (16<<16))) {
dah = (msg->src.act_h + 7) >> 3;
if((IS_YUV(msg->dst.format)) && (dah & 1)) {
msg->src.act_h = (dah - 1) << 3;
dah -= 1;
msg->src.act_h = dah << 3;
}
}
else
{
dah = msg->src.act_h;
}
msg->dst.act_h = dah;
msg->dst.vir_h = dah;