diff options
| -rw-r--r-- | exynos/exynos_fimg2d.c | 129 | ||||
| -rw-r--r-- | exynos/fimg2d.h | 5 |
2 files changed, 134 insertions, 0 deletions
diff --git a/exynos/exynos_fimg2d.c b/exynos/exynos_fimg2d.c index 7a3da823..20c31790 100644 --- a/exynos/exynos_fimg2d.c +++ b/exynos/exynos_fimg2d.c @@ -638,3 +638,132 @@ g2d_blend(struct g2d_context *ctx, struct g2d_image *src, return 0; } +/** + * g2d_scale_and_blend - apply scaling to source buffer and then blend to destination buffer + * + * @ctx: a pointer to g2d_context structure. + * @src: a pointer to g2d_image structure including image and buffer + * information to source. + * @dst: a pointer to g2d_image structure including image and buffer + * information to destination. + * @src_x: x start position to source buffer. + * @src_y: y start position to source buffer. + * @src_w: width value to source buffer. + * @src_h: height value to source buffer. + * @dst_x: x start position to destination buffer. + * @dst_y: y start position to destination buffer. + * @dst_w: width value to destination buffer. + * @dst_h: height value to destination buffer. + * @op: blend operation type. + */ +drm_public int +g2d_scale_and_blend(struct g2d_context *ctx, struct g2d_image *src, + struct g2d_image *dst, unsigned int src_x, unsigned int src_y, + unsigned int src_w, unsigned int src_h, unsigned int dst_x, + unsigned int dst_y, unsigned int dst_w, unsigned int dst_h, + enum e_g2d_op op) +{ + union g2d_point_val pt; + union g2d_bitblt_cmd_val bitblt; + union g2d_blend_func_val blend; + unsigned int scale; + unsigned int scale_x, scale_y; + + bitblt.val = 0; + blend.val = 0; + + if (op == G2D_OP_SRC || op == G2D_OP_CLEAR) + g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_BGCOLOR); + else + g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_NORMAL); + + g2d_add_cmd(ctx, DST_COLOR_MODE_REG, dst->color_mode); + if (dst->buf_type == G2D_IMGBUF_USERPTR) + g2d_add_cmd(ctx, DST_BASE_ADDR_REG | G2D_BUF_USERPTR, + (unsigned long)&dst->user_ptr[0]); + else + g2d_add_cmd(ctx, DST_BASE_ADDR_REG, dst->bo[0]); + + g2d_add_cmd(ctx, DST_STRIDE_REG, dst->stride); + + g2d_add_cmd(ctx, SRC_SELECT_REG, src->select_mode); + g2d_add_cmd(ctx, SRC_COLOR_MODE_REG, src->color_mode); + + switch (src->select_mode) { + case G2D_SELECT_MODE_NORMAL: + if (src->buf_type == G2D_IMGBUF_USERPTR) + g2d_add_cmd(ctx, SRC_BASE_ADDR_REG | G2D_BUF_USERPTR, + (unsigned long)&src->user_ptr[0]); + else + g2d_add_cmd(ctx, SRC_BASE_ADDR_REG, src->bo[0]); + + g2d_add_cmd(ctx, SRC_STRIDE_REG, src->stride); + break; + case G2D_SELECT_MODE_FGCOLOR: + g2d_add_cmd(ctx, FG_COLOR_REG, src->color); + break; + case G2D_SELECT_MODE_BGCOLOR: + g2d_add_cmd(ctx, BG_COLOR_REG, src->color); + break; + default: + fprintf(stderr , "failed to set src.\n"); + return -EINVAL; + } + + if (src_w == dst_w && src_h == dst_h) + scale = 0; + else { + scale = 1; + scale_x = g2d_get_scaling(src_w, dst_w); + scale_y = g2d_get_scaling(src_h, dst_h); + } + + if (src_x + src_w > src->width) + src_w = src->width - src_x; + if (src_y + src_h > src->height) + src_h = src->height - src_y; + + if (dst_x + dst_w > dst->width) + dst_w = dst->width - dst_x; + if (dst_y + dst_h > dst->height) + dst_h = dst->height - dst_y; + + if (src_w <= 0 || src_h <= 0 || dst_w <= 0 || dst_h <= 0) { + fprintf(stderr, "invalid width or height.\n"); + g2d_reset(ctx); + return -EINVAL; + } + + if (scale) { + g2d_add_cmd(ctx, SRC_SCALE_CTRL_REG, G2D_SCALE_MODE_BILINEAR); + g2d_add_cmd(ctx, SRC_XSCALE_REG, scale_x); + g2d_add_cmd(ctx, SRC_YSCALE_REG, scale_y); + } + + bitblt.data.alpha_blend_mode = G2D_ALPHA_BLEND_MODE_ENABLE; + blend.val = g2d_get_blend_op(op); + g2d_add_cmd(ctx, BITBLT_COMMAND_REG, bitblt.val); + g2d_add_cmd(ctx, BLEND_FUNCTION_REG, blend.val); + + pt.val = 0; + pt.data.x = src_x; + pt.data.y = src_y; + g2d_add_cmd(ctx, SRC_LEFT_TOP_REG, pt.val); + pt.val = 0; + pt.data.x = src_x + src_w; + pt.data.y = src_y + src_h; + g2d_add_cmd(ctx, SRC_RIGHT_BOTTOM_REG, pt.val); + + pt.val = 0; + pt.data.x = dst_x; + pt.data.y = dst_y; + g2d_add_cmd(ctx, DST_LEFT_TOP_REG, pt.val); + pt.val = 0; + pt.data.x = dst_x + dst_w; + pt.data.y = dst_y + dst_h; + g2d_add_cmd(ctx, DST_RIGHT_BOTTOM_REG, pt.val); + + g2d_flush(ctx); + + return 0; +} diff --git a/exynos/fimg2d.h b/exynos/fimg2d.h index c6d67caf..f76f2a9f 100644 --- a/exynos/fimg2d.h +++ b/exynos/fimg2d.h @@ -314,4 +314,9 @@ int g2d_blend(struct g2d_context *ctx, struct g2d_image *src, struct g2d_image *dst, unsigned int src_x, unsigned int src_y, unsigned int dst_x, unsigned int dst_y, unsigned int w, unsigned int h, enum e_g2d_op op); +int g2d_scale_and_blend(struct g2d_context *ctx, struct g2d_image *src, + struct g2d_image *dst, unsigned int src_x, unsigned int src_y, + unsigned int src_w, unsigned int src_h, unsigned int dst_x, + unsigned int dst_y, unsigned int dst_w, unsigned int dst_h, + enum e_g2d_op op); #endif /* _FIMG2D_H_ */ |