| /* | |
| * 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 André Tupinambá | |
| * 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 limitation | |
| * 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 next | |
| * paragraph) shall be included in all copies or substantial portions of the | |
| * 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 OTHER | |
| * 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 = PIXMAN_FORMAT(32, PIXMAN_TYPE_ARGB, 8, 8, 8, 8), | |
| PIXMAN_x8r8g8b8 = PIXMAN_FORMAT(32, PIXMAN_TYPE_ARGB, 0, 8, 8, 8), | |
| PIXMAN_a8b8g8r8 = PIXMAN_FORMAT(32, PIXMAN_TYPE_ABGR, 8, 8, 8, 8), | |
| PIXMAN_x8b8g8r8 = PIXMAN_FORMAT(32, PIXMAN_TYPE_ABGR, 0, 8, 8, 8), | |
| PIXMAN_b8g8r8a8 = PIXMAN_FORMAT(32, PIXMAN_TYPE_BGRA, 8, 8, 8, 8), | |
| PIXMAN_b8g8r8x8 = PIXMAN_FORMAT(32, PIXMAN_TYPE_BGRA, 0, 8, 8, 8), | |
| PIXMAN_r8g8b8a8 = PIXMAN_FORMAT(32, PIXMAN_TYPE_RGBA, 8, 8, 8, 8), | |
| PIXMAN_r8g8b8x8 = PIXMAN_FORMAT(32, PIXMAN_TYPE_RGBA, 0, 8, 8, 8), | |
| /* 24bpp formats */ | |
| PIXMAN_r8g8b8 = PIXMAN_FORMAT(24, PIXMAN_TYPE_ARGB, 0, 8, 8, 8), | |
| PIXMAN_b8g8r8 = PIXMAN_FORMAT(24, PIXMAN_TYPE_ABGR, 0, 8, 8, 8), | |
| /* 16bpp formats */ | |
| PIXMAN_r5g6b5 = PIXMAN_FORMAT(16, PIXMAN_TYPE_ARGB, 0, 5, 6, 5), | |
| PIXMAN_a1r5g5b5 = PIXMAN_FORMAT(16, PIXMAN_TYPE_ARGB, 1, 5, 5, 5), | |
| PIXMAN_x1r5g5b5 = 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 *data); | |
| 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; | |
| #include "qemu-pixman-helpers.h" | |
| static inline uint32_t *create_bits(pixman_format_code_t format, | |
| int width, | |
| int height, | |
| int *rowstride_bytes) | |
| { | |
| int stride = 0; | |
| size_t buf_size = 0; | |
| if (!qemu_pixman_image_calc_size(format, width, height, | |
| &stride, &buf_size)) { | |
| return NULL; | |
| } | |
| if (rowstride_bytes) { | |
| *rowstride_bytes = stride; | |
| } | |
| return g_malloc0(buf_size); | |
| } | |
| 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 = g_new0(pixman_image_t, 1); | |
| i->width = width; | |
| i->height = height; | |
| i->format = format; | |
| if (bits) { | |
| i->data = bits; | |
| } else { | |
| i->free_me = i->data = | |
| create_bits(format, width, height, &rowstride_bytes); | |
| if (width && height) { | |
| assert(i->data); | |
| } | |
| } | |
| i->stride = rowstride_bytes ? rowstride_bytes : | |
| width * DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); | |
| i->ref_count = 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 == 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 = func; | |
| i->destroy_data = 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 */ |