From nobody Fri Mar 27 06:31:24 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=eik.bme.hu Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1773020915705773.5247742009888; Sun, 8 Mar 2026 18:48:35 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vzPjA-0005nE-GQ; Sun, 08 Mar 2026 21:48:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vzPiw-0005lM-78 for qemu-devel@nongnu.org; Sun, 08 Mar 2026 21:48:01 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vzPiq-0001Hk-9D for qemu-devel@nongnu.org; Sun, 08 Mar 2026 21:47:55 -0400 Received: from localhost (localhost [127.0.0.1]) by zero.eik.bme.hu (Postfix) with ESMTP id 7585D5969E5; Mon, 09 Mar 2026 02:47:49 +0100 (CET) Received: from zero.eik.bme.hu ([127.0.0.1]) by localhost (zero.eik.bme.hu [127.0.0.1]) (amavis, port 10028) with ESMTP id UDS9OQSPixTx; Mon, 9 Mar 2026 02:47:47 +0100 (CET) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 6FF825969EB; Mon, 09 Mar 2026 02:47:47 +0100 (CET) X-Virus-Scanned: amavis at eik.bme.hu Message-ID: <6e2dccba65d9b369e0db633c0149a77351827222.1773020351.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v12 4/9] ati-vga: Extract setup_2d_blt_ctx from ati_2d_blt MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: qemu-devel@nongnu.org Cc: Gerd Hoffmann , marcandre.lureau@redhat.com, Chad Jablonski , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Mon, 09 Mar 2026 02:47:47 +0100 (CET) Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2001:738:2001:2001::2001; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1773020921708158500 Content-Type: text/plain; charset="utf-8" From: Chad Jablonski setup_2d_blt_ctx is responsible for knowing how to retrieve the state needed by ati_2d_blt from the registers and assigning it to the ATI2DCtx. This will be useful in a future patch when HOST_DATA needs to make small modifications to the ctx. Signed-off-by: Chad Jablonski Reviewed-by: BALATON Zoltan [balaton: Fix build without pixman] Signed-off-by: BALATON Zoltan --- hw/display/ati_2d.c | 69 +++++++++++++++++++++++---------------------- 1 file changed, 36 insertions(+), 33 deletions(-) diff --git a/hw/display/ati_2d.c b/hw/display/ati_2d.c index 9e0115c49d..a83cf14a4a 100644 --- a/hw/display/ati_2d.c +++ b/hw/display/ati_2d.c @@ -25,7 +25,7 @@ * possible. */ =20 -static int ati_bpp_from_datatype(ATIVGAState *s) +static int ati_bpp_from_datatype(const ATIVGAState *s) { switch (s->regs.dp_datatype & 0xf) { case 2: @@ -80,73 +80,76 @@ static void ati_set_dirty(VGACommonState *vga, const AT= I2DCtx *ctx) } } =20 -void ati_2d_blt(ATIVGAState *s) +static void setup_2d_blt_ctx(const ATIVGAState *s, ATI2DCtx *ctx) { - /* FIXME it is probably more complex than this and may need to be */ - /* rewritten but for now as a start just to get some output: */ - ATI2DCtx ctx_; - ATI2DCtx *ctx =3D &ctx_; + ctx->bpp =3D ati_bpp_from_datatype(s); ctx->rop3 =3D s->regs.dp_mix & GMC_ROP3_MASK; ctx->left_to_right =3D s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT; ctx->top_to_bottom =3D s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM; ctx->frgd_clr =3D s->regs.dp_brush_frgd_clr; ctx->palette =3D s->vga.palette; ctx->dst_offset =3D s->regs.dst_offset; + ctx->vram_end =3D s->vga.vram_ptr + s->vga.vram_size; + ctx->dst.width =3D s->regs.dst_width; ctx->dst.height =3D s->regs.dst_height; ctx->dst.x =3D (ctx->left_to_right ? s->regs.dst_x : s->regs.dst_x + 1 - ctx->dst.width); ctx->dst.y =3D (ctx->top_to_bottom ? s->regs.dst_y : s->regs.dst_y + 1 - ctx->dst.height); - ctx->bpp =3D ati_bpp_from_datatype(s); + ctx->dst_stride =3D s->regs.dst_pitch; + ctx->dst_bits =3D s->vga.vram_ptr + s->regs.dst_offset; + if (s->dev_id =3D=3D PCI_DEVICE_ID_ATI_RAGE128_PF) { + ctx->dst_bits +=3D s->regs.crtc_offset & 0x07ffffff; + ctx->dst_stride *=3D ctx->bpp; + } + + ctx->src.x =3D (ctx->left_to_right ? + s->regs.src_x : s->regs.src_x + 1 - ctx->dst.width); + ctx->src.y =3D (ctx->top_to_bottom ? + s->regs.src_y : s->regs.src_y + 1 - ctx->dst.height); + ctx->src_stride =3D s->regs.src_pitch; + ctx->src_bits =3D s->vga.vram_ptr + s->regs.src_offset; + if (s->dev_id =3D=3D PCI_DEVICE_ID_ATI_RAGE128_PF) { + ctx->src_bits +=3D s->regs.crtc_offset & 0x07ffffff; + ctx->src_stride *=3D ctx->bpp; + } + DPRINTF("%d %d %d, %d %d %d, (%d,%d) -> (%d,%d) %dx%d %c %c\n", + s->regs.src_offset, s->regs.dst_offset, s->regs.default_offset, + ctx->src_stride, ctx->dst_stride, s->regs.default_pitch, + ctx->src.x, ctx->src.y, ctx->dst.x, ctx->dst.y, + ctx->dst.width, ctx->dst.height, + (ctx->left_to_right ? '>' : '<'), + (ctx->top_to_bottom ? 'v' : '^')); +} + +void ati_2d_blt(ATIVGAState *s) +{ + ATI2DCtx ctx_; + ATI2DCtx *ctx =3D &ctx_; + setup_2d_blt_ctx(s, ctx); if (!ctx->bpp) { qemu_log_mask(LOG_GUEST_ERROR, "Invalid bpp\n"); return; } - ctx->dst_stride =3D s->regs.dst_pitch; if (!ctx->dst_stride) { qemu_log_mask(LOG_GUEST_ERROR, "Zero dest pitch\n"); return; } - ctx->dst_bits =3D s->vga.vram_ptr + ctx->dst_offset; - - if (s->dev_id =3D=3D PCI_DEVICE_ID_ATI_RAGE128_PF) { - ctx->dst_bits +=3D s->regs.crtc_offset & 0x07ffffff; - ctx->dst_stride *=3D ctx->bpp; - } - ctx->vram_end =3D s->vga.vram_ptr + s->vga.vram_size; if (ctx->dst.x > 0x3fff || ctx->dst.y > 0x3fff || ctx->dst_bits >=3D ctx->vram_end || ctx->dst_bits + ctx->dst.x + (ctx->dst.y + ctx->dst.height) * ctx->dst_stride >=3D ctx->vram_en= d) { qemu_log_mask(LOG_UNIMP, "blt outside vram not implemented\n"); return; } - DPRINTF("%d %d %d, %d %d %d, (%d,%d) -> (%d,%d) %dx%d %c %c\n", - s->regs.src_offset, ctx->dst_offset, s->regs.default_offset, - ctx->src_stride, ctx->dst_stride, s->regs.default_pitch, - ctx->src.x, ctx->src.y, ctx->dst.x, ctx->dst.y, - ctx->dst.width, ctx->dst.height, - (ctx->left_to_right ? '>' : '<'), - (ctx->top_to_bottom ? 'v' : '^')); switch (ctx->rop3) { case ROP3_SRCCOPY: { bool fallback =3D false; - ctx->src.x =3D (ctx->left_to_right ? - s->regs.src_x : s->regs.src_x + 1 - ctx->dst.width); - ctx->src.y =3D (ctx->top_to_bottom ? - s->regs.src_y : s->regs.src_y + 1 - ctx->dst.height); - ctx->src_stride =3D s->regs.src_pitch; if (!ctx->src_stride) { qemu_log_mask(LOG_GUEST_ERROR, "Zero source pitch\n"); return; } - ctx->src_bits =3D s->vga.vram_ptr + s->regs.src_offset; - - if (s->dev_id =3D=3D PCI_DEVICE_ID_ATI_RAGE128_PF) { - ctx->src_bits +=3D s->regs.crtc_offset & 0x07ffffff; - ctx->src_stride *=3D ctx->bpp; - } if (ctx->src.x > 0x3fff || ctx->src.y > 0x3fff || ctx->src_bits >=3D ctx->vram_end || ctx->src_bits + ctx->src.x + (ctx->src.y + ctx->dst.height) * --=20 2.41.3