From nobody Fri Mar 27 06:33:06 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 1773020987761609.2937959212436; Sun, 8 Mar 2026 18:49:47 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vzPjM-0005ov-Fc; Sun, 08 Mar 2026 21:48:24 -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-0005lO-7J 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-0001HV-82 for qemu-devel@nongnu.org; Sun, 08 Mar 2026 21:47:56 -0400 Received: from localhost (localhost [127.0.0.1]) by zero.eik.bme.hu (Postfix) with ESMTP id 7C4E25969EF; Mon, 09 Mar 2026 02:47:48 +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 A3IAE80Q8XuP; Mon, 9 Mar 2026 02:47:46 +0100 (CET) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 657D55969EC; Mon, 09 Mar 2026 02:47:46 +0100 (CET) X-Virus-Scanned: amavis at eik.bme.hu Message-ID: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v12 3/9] ati-vga: Introduce ATI2DCtx struct for 2D blit context 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 02:47:46 +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: 1773020990953154100 Content-Type: text/plain; charset="utf-8" From: Chad Jablonski Previously all state derived from registers was moved to locals. Now we can mechanically replace those locals with fields on the new ATI2DCtx struct. Signed-off-by: Chad Jablonski Reviewed-by: BALATON Zoltan [balaton: Fix build without pixman] Signed-off-by: BALATON Zoltan --- hw/display/ati_2d.c | 226 +++++++++++++++++++++++++------------------- 1 file changed, 131 insertions(+), 95 deletions(-) diff --git a/hw/display/ati_2d.c b/hw/display/ati_2d.c index b9cd766130..9e0115c49d 100644 --- a/hw/display/ati_2d.c +++ b/hw/display/ati_2d.c @@ -13,6 +13,7 @@ #include "qemu/log.h" #include "ui/pixel_ops.h" #include "ui/console.h" +#include "ui/rect.h" =20 /* * NOTE: @@ -43,21 +44,39 @@ static int ati_bpp_from_datatype(ATIVGAState *s) } } =20 -static void ati_set_dirty(ATIVGAState *s, - const uint8_t *dst_bits, unsigned dst_y) +typedef struct { + int bpp; + uint32_t rop3; + bool left_to_right; + bool top_to_bottom; + uint32_t frgd_clr; + const uint8_t *palette; + const uint8_t *vram_end; + + QemuRect dst; + int dst_stride; + uint8_t *dst_bits; + uint32_t dst_offset; + + QemuRect src; + int src_stride; + const uint8_t *src_bits; +} ATI2DCtx; + +static void ati_set_dirty(VGACommonState *vga, const ATI2DCtx *ctx) { - VGACommonState *vga =3D &s->vga; DisplaySurface *ds =3D qemu_console_surface(vga->con); =20 DPRINTF("%p %u ds: %p %d %d rop: %x\n", vga->vram_ptr, vga->vbe_start_= addr, surface_data(ds), surface_stride(ds), surface_bits_per_pixel(d= s), - (s->regs.dp_mix & GMC_ROP3_MASK) >> 16); - if (dst_bits >=3D vga->vram_ptr + vga->vbe_start_addr && - dst_bits < vga->vram_ptr + vga->vbe_start_addr + + ctx->rop3 >> 16); + if (ctx->dst_bits >=3D vga->vram_ptr + vga->vbe_start_addr && + ctx->dst_bits < vga->vram_ptr + vga->vbe_start_addr + vga->vbe_regs[VBE_DISPI_INDEX_YRES] * vga->vbe_line_offset) { memory_region_set_dirty(&vga->vram, vga->vbe_start_addr + - s->regs.dst_offset + dst_y * surface_strid= e(ds), - s->regs.dst_height * surface_stride(ds)); + ctx->dst_offset + ctx->dst.y + * surface_stride(ds), + ctx->dst.height * surface_stride(ds)); } } =20 @@ -65,100 +84,109 @@ void ati_2d_blt(ATIVGAState *s) { /* 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: */ - uint32_t rop3 =3D s->regs.dp_mix & GMC_ROP3_MASK; - bool left_to_right =3D s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT; - bool top_to_bottom =3D s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM; - uint32_t frgd_clr =3D s->regs.dp_brush_frgd_clr; - uint8_t *palette =3D s->vga.palette; - unsigned dst_offset =3D s->regs.dst_offset; - unsigned dst_width =3D s->regs.dst_width; - unsigned dst_height =3D s->regs.dst_height; - unsigned dst_x =3D (left_to_right ? - s->regs.dst_x : s->regs.dst_x + 1 - dst_width); - unsigned dst_y =3D (top_to_bottom ? - s->regs.dst_y : s->regs.dst_y + 1 - dst_height); - int bpp =3D ati_bpp_from_datatype(s); - if (!bpp) { + ATI2DCtx ctx_; + ATI2DCtx *ctx =3D &ctx_; + 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->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); + if (!ctx->bpp) { qemu_log_mask(LOG_GUEST_ERROR, "Invalid bpp\n"); return; } - int dst_stride =3D s->regs.dst_pitch; - if (!dst_stride) { + ctx->dst_stride =3D s->regs.dst_pitch; + if (!ctx->dst_stride) { qemu_log_mask(LOG_GUEST_ERROR, "Zero dest pitch\n"); return; } - uint8_t *dst_bits =3D s->vga.vram_ptr + dst_offset; + ctx->dst_bits =3D s->vga.vram_ptr + ctx->dst_offset; =20 if (s->dev_id =3D=3D PCI_DEVICE_ID_ATI_RAGE128_PF) { - dst_bits +=3D s->regs.crtc_offset & 0x07ffffff; - dst_stride *=3D bpp; + ctx->dst_bits +=3D s->regs.crtc_offset & 0x07ffffff; + ctx->dst_stride *=3D ctx->bpp; } - uint8_t *end =3D s->vga.vram_ptr + s->vga.vram_size; - if (dst_x > 0x3fff || dst_y > 0x3fff || dst_bits >=3D end - || dst_bits + dst_x + (dst_y + dst_height) * dst_stride >=3D end) { + 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, dst_offset, s->regs.default_offset, - s->regs.src_pitch, dst_stride, s->regs.default_pitch, - s->regs.src_x, s->regs.src_y, dst_x, dst_y, - dst_width, dst_height, - (left_to_right ? '>' : '<'), - (top_to_bottom ? 'v' : '^')); - switch (rop3) { + 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; - unsigned src_x =3D (left_to_right ? - s->regs.src_x : s->regs.src_x + 1 - dst_width); - unsigned src_y =3D (top_to_bottom ? - s->regs.src_y : s->regs.src_y + 1 - dst_height); - int src_stride =3D s->regs.src_pitch; - if (!src_stride) { + 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; } - uint8_t *src_bits =3D s->vga.vram_ptr + s->regs.src_offset; + ctx->src_bits =3D s->vga.vram_ptr + s->regs.src_offset; =20 if (s->dev_id =3D=3D PCI_DEVICE_ID_ATI_RAGE128_PF) { - src_bits +=3D s->regs.crtc_offset & 0x07ffffff; - src_stride *=3D bpp; + ctx->src_bits +=3D s->regs.crtc_offset & 0x07ffffff; + ctx->src_stride *=3D ctx->bpp; } - if (src_x > 0x3fff || src_y > 0x3fff || src_bits >=3D end - || src_bits + src_x - + (src_y + dst_height) * src_stride >=3D end) { + 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) * + ctx->src_stride >=3D ctx->vram_end) { qemu_log_mask(LOG_UNIMP, "blt outside vram not implemented\n"); return; } =20 DPRINTF("pixman_blt(%p, %p, %ld, %ld, %d, %d, %d, %d, %d, %d, %d, = %d)\n", - src_bits, dst_bits, src_stride / sizeof(uint32_t), - dst_stride / sizeof(uint32_t), bpp, bpp, src_x, src_y, dst= _x, - dst_y, dst_width, dst_height); + ctx->src_bits, ctx->dst_bits, + ctx->src_stride / sizeof(uint32_t), + ctx->dst_stride / sizeof(uint32_t), + ctx->bpp, ctx->bpp, ctx->src.x, ctx->src.y, ctx->dst.x, + ctx->dst.y, ctx->dst.width, ctx->dst.height); #ifdef CONFIG_PIXMAN - int src_stride_words =3D src_stride / sizeof(uint32_t); - int dst_stride_words =3D dst_stride / sizeof(uint32_t); - if ((s->use_pixman & BIT(1)) && left_to_right && top_to_bottom) { - fallback =3D !pixman_blt((uint32_t *)src_bits, (uint32_t *)dst= _bits, - src_stride_words, dst_stride_words, bpp= , bpp, - src_x, src_y, dst_x, dst_y, - dst_width, dst_height); + int src_stride_words =3D ctx->src_stride / sizeof(uint32_t); + int dst_stride_words =3D ctx->dst_stride / sizeof(uint32_t); + if ((s->use_pixman & BIT(1)) && + ctx->left_to_right && ctx->top_to_bottom) { + fallback =3D !pixman_blt((uint32_t *)ctx->src_bits, + (uint32_t *)ctx->dst_bits, src_stride_w= ords, + dst_stride_words, ctx->bpp, ctx->bpp, + ctx->src.x, ctx->src.y, ctx->dst.x, + ctx->dst.y, ctx->dst.width, ctx->dst.he= ight); } else if (s->use_pixman & BIT(1)) { /* FIXME: We only really need a temporary if src and dst overl= ap */ - int llb =3D dst_width * (bpp / 8); + int llb =3D ctx->dst.width * (ctx->bpp / 8); int tmp_stride_words =3D DIV_ROUND_UP(llb, sizeof(uint32_t)); uint32_t *tmp =3D g_malloc(tmp_stride_words * sizeof(uint32_t)= * - dst_height); - fallback =3D !pixman_blt((uint32_t *)src_bits, tmp, - src_stride_words, tmp_stride_words, bpp= , bpp, - src_x, src_y, 0, 0, - dst_width, dst_height); + ctx->dst.height); + fallback =3D !pixman_blt((uint32_t *)ctx->src_bits, tmp, + src_stride_words, tmp_stride_words, ctx= ->bpp, + ctx->bpp, ctx->src.x, ctx->src.y, 0, 0, + ctx->dst.width, ctx->dst.height); if (!fallback) { - fallback =3D !pixman_blt(tmp, (uint32_t *)dst_bits, + fallback =3D !pixman_blt(tmp, (uint32_t *)ctx->dst_bits, tmp_stride_words, dst_stride_words, - bpp, bpp, 0, 0, dst_x, dst_y, - dst_width, dst_height); + ctx->bpp, ctx->bpp, 0, 0, + ctx->dst.x, ctx->dst.y, + ctx->dst.width, ctx->dst.height); } g_free(tmp); } else @@ -167,18 +195,21 @@ void ati_2d_blt(ATIVGAState *s) fallback =3D true; } if (fallback) { - unsigned int y, i, j, bypp =3D bpp / 8; - for (y =3D 0; y < dst_height; y++) { - i =3D dst_x * bypp; - j =3D src_x * bypp; - if (top_to_bottom) { - i +=3D (dst_y + y) * dst_stride; - j +=3D (src_y + y) * src_stride; + unsigned int y, i, j, bypp =3D ctx->bpp / 8; + for (y =3D 0; y < ctx->dst.height; y++) { + i =3D ctx->dst.x * bypp; + j =3D ctx->src.x * bypp; + if (ctx->top_to_bottom) { + i +=3D (ctx->dst.y + y) * ctx->dst_stride; + j +=3D (ctx->src.y + y) * ctx->src_stride; } else { - i +=3D (dst_y + dst_height - 1 - y) * dst_stride; - j +=3D (src_y + dst_height - 1 - y) * src_stride; + i +=3D (ctx->dst.y + ctx->dst.height - 1 - y) + * ctx->dst_stride; + j +=3D (ctx->src.y + ctx->dst.height - 1 - y) + * ctx->src_stride; } - memmove(&dst_bits[i], &src_bits[j], dst_width * bypp); + memmove(&ctx->dst_bits[i], &ctx->src_bits[j], + ctx->dst.width * bypp); } } break; @@ -189,35 +220,40 @@ void ati_2d_blt(ATIVGAState *s) { uint32_t filler =3D 0; =20 - switch (rop3) { + switch (ctx->rop3) { case ROP3_PATCOPY: - filler =3D frgd_clr; + filler =3D ctx->frgd_clr; break; case ROP3_BLACKNESS: - filler =3D 0xffUL << 24 | rgb_to_pixel32(palette[0], palette[1= ], - palette[2]); + filler =3D 0xffUL << 24 | rgb_to_pixel32(ctx->palette[0], + ctx->palette[1], + ctx->palette[2]); break; case ROP3_WHITENESS: - filler =3D 0xffUL << 24 | rgb_to_pixel32(palette[3], palette[4= ], - palette[5]); + filler =3D 0xffUL << 24 | rgb_to_pixel32(ctx->palette[3], + ctx->palette[4], + ctx->palette[5]); break; } =20 DPRINTF("pixman_fill(%p, %ld, %d, %d, %d, %d, %d, %x)\n", - dst_bits, dst_stride / sizeof(uint32_t), bpp, dst_x, dst_y, - dst_width, dst_height, filler); + ctx->dst_bits, ctx->dst_stride / sizeof(uint32_t), ctx->bp= p, + ctx->dst.x, ctx->dst.y, ctx->dst.width, ctx->dst.height, + filler); #ifdef CONFIG_PIXMAN if (!(s->use_pixman & BIT(0)) || - !pixman_fill((uint32_t *)dst_bits, dst_stride / sizeof(uint32_= t), - bpp, dst_x, dst_y, dst_width, dst_height, filler)) + !pixman_fill((uint32_t *)ctx->dst_bits, + ctx->dst_stride / sizeof(uint32_t), ctx->bpp, + ctx->dst.x, ctx->dst.y, + ctx->dst.width, ctx->dst.height, filler)) #endif { /* fallback when pixman failed or we don't want to call it */ - unsigned int x, y, i, bypp =3D bpp / 8; - for (y =3D 0; y < dst_height; y++) { - i =3D dst_x * bypp + (dst_y + y) * dst_stride; - for (x =3D 0; x < dst_width; x++, i +=3D bypp) { - stn_he_p(&dst_bits[i], bypp, filler); + unsigned int x, y, i, bypp =3D ctx->bpp / 8; + for (y =3D 0; y < ctx->dst.height; y++) { + i =3D ctx->dst.x * bypp + (ctx->dst.y + y) * ctx->dst_stri= de; + for (x =3D 0; x < ctx->dst.width; x++, i +=3D bypp) { + stn_he_p(&ctx->dst_bits[i], bypp, filler); } } } @@ -225,9 +261,9 @@ void ati_2d_blt(ATIVGAState *s) } default: qemu_log_mask(LOG_UNIMP, "Unimplemented ati_2d blt op %x\n", - rop3 >> 16); + ctx->rop3 >> 16); return; } =20 - ati_set_dirty(s, dst_bits, dst_y); + ati_set_dirty(&s->vga, ctx); } --=20 2.41.3