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Tsirkin" Subject: [PULL v3 12/25] virtio-gpu: replace PIXMAN for region/rect test Date: Tue, 7 Nov 2023 14:15:10 +0400 Message-ID: <20231107101524.2993389-13-marcandre.lureau@redhat.com> In-Reply-To: <20231107101524.2993389-1-marcandre.lureau@redhat.com> References: <20231107101524.2993389-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 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=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 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-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1699352253410100007 From: Marc-Andr=C3=A9 Lureau Use a simpler implementation for rectangle geometry & intersect, drop the need for (more complex) PIXMAN functions. Signed-off-by: Marc-Andr=C3=A9 Lureau Acked-by: Michael S. Tsirkin --- include/ui/rect.h | 59 +++++++++++++++++++++++++++++++++++++++++ hw/display/virtio-gpu.c | 30 ++++++++------------- 2 files changed, 70 insertions(+), 19 deletions(-) create mode 100644 include/ui/rect.h diff --git a/include/ui/rect.h b/include/ui/rect.h new file mode 100644 index 0000000000..94898f92d0 --- /dev/null +++ b/include/ui/rect.h @@ -0,0 +1,59 @@ +/* + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#ifndef QEMU_RECT_H +#define QEMU_RECT_H + +#include +#include + +typedef struct QemuRect { + int16_t x; + int16_t y; + uint16_t width; + uint16_t height; +} QemuRect; + +static inline void qemu_rect_init(QemuRect *rect, + int16_t x, int16_t y, + uint16_t width, uint16_t height) +{ + rect->x =3D x; + rect->y =3D x; + rect->width =3D width; + rect->height =3D height; +} + +static inline void qemu_rect_translate(QemuRect *rect, + int16_t dx, int16_t dy) +{ + rect->x +=3D dx; + rect->y +=3D dy; +} + +static inline bool qemu_rect_intersect(const QemuRect *a, const QemuRect *= b, + QemuRect *res) +{ + int16_t x1, x2, y1, y2; + + x1 =3D MAX(a->x, b->x); + y1 =3D MAX(a->y, b->y); + x2 =3D MIN(a->x + a->width, b->x + b->width); + y2 =3D MIN(a->y + a->height, b->y + b->height); + + if (x1 >=3D x2 || y1 >=3D y2) { + if (res) { + qemu_rect_init(res, 0, 0, 0, 0); + } + + return false; + } + + if (res) { + qemu_rect_init(res, x1, y1, x2 - x1, y2 - y1); + } + + return true; +} + +#endif diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 2707bceea8..b016d3bac8 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -16,6 +16,7 @@ #include "qemu/iov.h" #include "sysemu/cpus.h" #include "ui/console.h" +#include "ui/rect.h" #include "trace.h" #include "sysemu/dma.h" #include "sysemu/sysemu.h" @@ -503,7 +504,7 @@ static void virtio_gpu_resource_flush(VirtIOGPU *g, struct virtio_gpu_simple_resource *res; struct virtio_gpu_resource_flush rf; struct virtio_gpu_scanout *scanout; - pixman_region16_t flush_region; + QemuRect flush_rect; bool within_bounds =3D false; bool update_submitted =3D false; int i; @@ -565,34 +566,25 @@ static void virtio_gpu_resource_flush(VirtIOGPU *g, return; } =20 - pixman_region_init_rect(&flush_region, - rf.r.x, rf.r.y, rf.r.width, rf.r.height); + qemu_rect_init(&flush_rect, rf.r.x, rf.r.y, rf.r.width, rf.r.height); for (i =3D 0; i < g->parent_obj.conf.max_outputs; i++) { - pixman_region16_t region, finalregion; - pixman_box16_t *extents; + QemuRect rect; =20 if (!(res->scanout_bitmask & (1 << i))) { continue; } scanout =3D &g->parent_obj.scanout[i]; =20 - pixman_region_init(&finalregion); - pixman_region_init_rect(®ion, scanout->x, scanout->y, - scanout->width, scanout->height); + qemu_rect_init(&rect, scanout->x, scanout->y, + scanout->width, scanout->height); =20 - pixman_region_intersect(&finalregion, &flush_region, ®ion); - pixman_region_translate(&finalregion, -scanout->x, -scanout->y); - extents =3D pixman_region_extents(&finalregion); /* work out the area we need to update for each console */ - dpy_gfx_update(g->parent_obj.scanout[i].con, - extents->x1, extents->y1, - extents->x2 - extents->x1, - extents->y2 - extents->y1); - - pixman_region_fini(®ion); - pixman_region_fini(&finalregion); + if (qemu_rect_intersect(&flush_rect, &rect, &rect)) { + qemu_rect_translate(&rect, -scanout->x, -scanout->y); + dpy_gfx_update(g->parent_obj.scanout[i].con, + rect.x, rect.y, rect.width, rect.height); + } } - pixman_region_fini(&flush_region); } =20 static void virtio_unref_resource(pixman_image_t *image, void *data) --=20 2.41.0