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bh=AMPwwzvkGtI1530yAC+qrKlrh8Wsf5pzf8NLRChUMss=; b=RJ1FtIeswJRbCAvnpWSo1dy2xwP4w3FH/7lN3JDs4i4J1NqZAbfchVDi+MqIJ9fqjUhF/K Chk5LIvFW0gI8JIhOLjqQBXXhMoE7yWLv+yNY/yuREZCw/AmG1gtbolxdFzs99J9WnNzmy ahc/VYQ/oIg2s27efoEWrFniFLHxTxs= X-MC-Unique: d83qS2OxP_q7PrvRe35nog-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: stefanha@gmail.com, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Gerd Hoffmann Subject: [PULL v3 04/25] ui: add pixman-minimal.h Date: Tue, 7 Nov 2023 14:15:02 +0400 Message-ID: <20231107101524.2993389-5-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 10.11.54.3 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=170.10.129.124; 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_H4=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: 1699352221197100003 From: Marc-Andr=C3=A9 Lureau This is a tiny subset of PIXMAN API that is used pervasively in QEMU codebase to manage images and identify the underlying format. It doesn't seems worth to wrap this in a QEMU-specific API. Signed-off-by: Marc-Andr=C3=A9 Lureau Acked-by: Thomas Huth --- include/ui/pixman-minimal.h | 195 ++++++++++++++++++++++++++++++++++++ include/ui/qemu-pixman.h | 2 + 2 files changed, 197 insertions(+) create mode 100644 include/ui/pixman-minimal.h diff --git a/include/ui/pixman-minimal.h b/include/ui/pixman-minimal.h new file mode 100644 index 0000000000..efcf570c9e --- /dev/null +++ b/include/ui/pixman-minimal.h @@ -0,0 +1,195 @@ +/* + * SPDX-License-Identifier: MIT + * + * Tiny subset of PIXMAN API commonly used by QEMU. + * + * Copyright 1987, 1988, 1989, 1998 The Open Group + * Copyright 1987, 1988, 1989 Digital Equipment Corporation + * Copyright 1999, 2004, 2008 Keith Packard + * Copyright 2000 SuSE, Inc. + * Copyright 2000 Keith Packard, member of The XFree86 Project, Inc. + * Copyright 2004, 2005, 2007, 2008, 2009, 2010 Red Hat, Inc. + * Copyright 2004 Nicholas Miell + * Copyright 2005 Lars Knoll & Zack Rusin, Trolltech + * Copyright 2005 Trolltech AS + * Copyright 2007 Luca Barbato + * Copyright 2008 Aaron Plattner, NVIDIA Corporation + * Copyright 2008 Rodrigo Kumpera + * Copyright 2008 Andr=C3=A9 Tupinamb=C3=A1 + * Copyright 2008 Mozilla Corporation + * Copyright 2008 Frederic Plourde + * Copyright 2009, Oracle and/or its affiliates. All rights reserved. + * Copyright 2009, 2010 Nokia Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software= "), + * to deal in the Software without restriction, including without limitati= on + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the ne= xt + * paragraph) shall be included in all copies or substantial portions of t= he + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS= OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OT= HER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef PIXMAN_MINIMAL_H +#define PIXMAN_MINIMAL_H + +#define PIXMAN_TYPE_OTHER 0 +#define PIXMAN_TYPE_ARGB 2 +#define PIXMAN_TYPE_ABGR 3 +#define PIXMAN_TYPE_BGRA 8 +#define PIXMAN_TYPE_RGBA 9 + +#define PIXMAN_FORMAT(bpp, type, a, r, g, b) (((bpp) << 24) | \ + ((type) << 16) | \ + ((a) << 12) | \ + ((r) << 8) | \ + ((g) << 4) | \ + ((b))) + +#define PIXMAN_FORMAT_RESHIFT(val, ofs, num) \ + (((val >> (ofs)) & ((1 << (num)) - 1)) << ((val >> 22) & 3)) + +#define PIXMAN_FORMAT_BPP(f) PIXMAN_FORMAT_RESHIFT(f, 24, 8) +#define PIXMAN_FORMAT_TYPE(f) (((f) >> 16) & 0x3f) +#define PIXMAN_FORMAT_A(f) PIXMAN_FORMAT_RESHIFT(f, 12, 4) +#define PIXMAN_FORMAT_R(f) PIXMAN_FORMAT_RESHIFT(f, 8, 4) +#define PIXMAN_FORMAT_G(f) PIXMAN_FORMAT_RESHIFT(f, 4, 4) +#define PIXMAN_FORMAT_B(f) PIXMAN_FORMAT_RESHIFT(f, 0, 4) +#define PIXMAN_FORMAT_DEPTH(f) (PIXMAN_FORMAT_A(f) + \ + PIXMAN_FORMAT_R(f) + \ + PIXMAN_FORMAT_G(f) + \ + PIXMAN_FORMAT_B(f)) + +typedef enum { + /* 32bpp formats */ + PIXMAN_a8r8g8b8 =3D PIXMAN_FORMAT(32, PIXMAN_TYPE_ARGB, 8, 8, 8, 8), + PIXMAN_x8r8g8b8 =3D PIXMAN_FORMAT(32, PIXMAN_TYPE_ARGB, 0, 8, 8, 8), + PIXMAN_a8b8g8r8 =3D PIXMAN_FORMAT(32, PIXMAN_TYPE_ABGR, 8, 8, 8, 8), + PIXMAN_x8b8g8r8 =3D PIXMAN_FORMAT(32, PIXMAN_TYPE_ABGR, 0, 8, 8, 8), + PIXMAN_b8g8r8a8 =3D PIXMAN_FORMAT(32, PIXMAN_TYPE_BGRA, 8, 8, 8, 8), + PIXMAN_b8g8r8x8 =3D PIXMAN_FORMAT(32, PIXMAN_TYPE_BGRA, 0, 8, 8, 8), + PIXMAN_r8g8b8a8 =3D PIXMAN_FORMAT(32, PIXMAN_TYPE_RGBA, 8, 8, 8, 8), + PIXMAN_r8g8b8x8 =3D PIXMAN_FORMAT(32, PIXMAN_TYPE_RGBA, 0, 8, 8, 8), + /* 24bpp formats */ + PIXMAN_r8g8b8 =3D PIXMAN_FORMAT(24, PIXMAN_TYPE_ARGB, 0, 8, 8, 8), + PIXMAN_b8g8r8 =3D PIXMAN_FORMAT(24, PIXMAN_TYPE_ABGR, 0, 8, 8, 8), + /* 16bpp formats */ + PIXMAN_r5g6b5 =3D PIXMAN_FORMAT(16, PIXMAN_TYPE_ARGB, 0, 5, 6, 5), + PIXMAN_a1r5g5b5 =3D PIXMAN_FORMAT(16, PIXMAN_TYPE_ARGB, 1, 5, 5, 5), + PIXMAN_x1r5g5b5 =3D PIXMAN_FORMAT(16, PIXMAN_TYPE_ARGB, 0, 5, 5, 5), +} pixman_format_code_t; + +typedef struct pixman_image pixman_image_t; + +typedef void (*pixman_image_destroy_func_t)(pixman_image_t *image, void *d= ata); + +struct pixman_image { + int ref_count; + pixman_format_code_t format; + int width; + int height; + int stride; + uint32_t *data; + uint32_t *free_me; + pixman_image_destroy_func_t destroy_func; + void *destroy_data; +}; + +typedef struct pixman_color { + uint16_t red; + uint16_t green; + uint16_t blue; + uint16_t alpha; +} pixman_color_t; + +static inline pixman_image_t *pixman_image_create_bits(pixman_format_code_= t format, + int width, + int height, + uint32_t *bits, + int rowstride_bytes) +{ + pixman_image_t *i =3D g_new0(pixman_image_t, 1); + + i->width =3D width; + i->height =3D height; + i->stride =3D rowstride_bytes ?: width * DIV_ROUND_UP(PIXMAN_FORMAT_BP= P(format), 8); + i->format =3D format; + if (bits) { + i->data =3D bits; + } else { + i->free_me =3D i->data =3D g_malloc0(rowstride_bytes * height); + } + i->ref_count =3D 1; + + return i; +} + +static inline pixman_image_t *pixman_image_ref(pixman_image_t *i) +{ + i->ref_count++; + return i; +} + +static inline bool pixman_image_unref(pixman_image_t *i) +{ + i->ref_count--; + + if (i->ref_count =3D=3D 0) { + if (i->destroy_func) { + i->destroy_func(i, i->destroy_data); + } + g_free(i->free_me); + g_free(i); + + return true; + } + + return false; +} + +static inline void pixman_image_set_destroy_function(pixman_image_t *i, + pixman_image_destroy_= func_t func, + void *data) + +{ + i->destroy_func =3D func; + i->destroy_data =3D data; +} + +static inline uint32_t *pixman_image_get_data(pixman_image_t *i) +{ + return i->data; +} + +static inline int pixman_image_get_height(pixman_image_t *i) +{ + return i->height; +} + +static inline int pixman_image_get_width(pixman_image_t *i) +{ + return i->width; +} + +static inline int pixman_image_get_stride(pixman_image_t *i) +{ + return i->stride; +} + +static inline pixman_format_code_t pixman_image_get_format(pixman_image_t = *i) +{ + return i->format; +} + +#endif /* PIXMAN_MINIMAL_H */ diff --git a/include/ui/qemu-pixman.h b/include/ui/qemu-pixman.h index c140cd84b6..ef13a8210c 100644 --- a/include/ui/qemu-pixman.h +++ b/include/ui/qemu-pixman.h @@ -8,6 +8,8 @@ =20 #ifdef CONFIG_PIXMAN #include +#else +#include "pixman-minimal.h" #endif =20 /* --=20 2.41.0