From patchwork Tue Feb 24 14:20:43 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tobias Jakobi X-Patchwork-Id: 5872981 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 885589F36A for ; Tue, 24 Feb 2015 14:23:35 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9AA0020381 for ; Tue, 24 Feb 2015 14:23:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 853AA2037E for ; Tue, 24 Feb 2015 14:23:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753255AbbBXOXZ (ORCPT ); Tue, 24 Feb 2015 09:23:25 -0500 Received: from smtp.math.uni-bielefeld.de ([129.70.45.10]:47919 "EHLO smtp.math.uni-bielefeld.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753251AbbBXOXX (ORCPT ); Tue, 24 Feb 2015 09:23:23 -0500 Received: from chidori.math.uni-bielefeld.de (dhcp24-141.math.uni-bielefeld.de [129.70.24.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by smtp.math.uni-bielefeld.de (Postfix) with ESMTPSA id C3C7860FEE; Tue, 24 Feb 2015 15:23:21 +0100 (CET) From: Tobias Jakobi To: linux-samsung-soc@vger.kernel.org Cc: dri-devel@lists.freedesktop.org, emil.l.velikov@gmail.com, jy0922.shim@samsung.com, m.szyprowski@samsung.com, robclark@freedesktop.org, Tobias Jakobi Subject: [PATCH v3 05/17] exynos: add g2d_scale_and_blend Date: Tue, 24 Feb 2015 15:20:43 +0100 Message-Id: <1424787655-10739-6-git-send-email-tjakobi@math.uni-bielefeld.de> X-Mailer: git-send-email 2.0.5 In-Reply-To: <1424787655-10739-1-git-send-email-tjakobi@math.uni-bielefeld.de> References: <1424787655-10739-1-git-send-email-tjakobi@math.uni-bielefeld.de> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This is a combination of g2d_copy_with_scale and g2d_scale. It is a pretty common operation to scale one buffer and then blend it on top of another, so provide a direct way to that operation. Signed-off-by: Tobias Jakobi --- exynos/exynos_fimg2d.c | 129 +++++++++++++++++++++++++++++++++++++++++++++++++ exynos/fimg2d.h | 5 ++ 2 files changed, 134 insertions(+) diff --git a/exynos/exynos_fimg2d.c b/exynos/exynos_fimg2d.c index df18a08..88e0ee6 100644 --- a/exynos/exynos_fimg2d.c +++ b/exynos/exynos_fimg2d.c @@ -645,3 +645,132 @@ 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 8e0321c..bd116cf 100644 --- a/exynos/fimg2d.h +++ b/exynos/fimg2d.h @@ -320,4 +320,9 @@ 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_ */