From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/VBox/Devices/Graphics/DevVGATmpl.h | 582 +++++++++++++++++++++++++++++++++ 1 file changed, 582 insertions(+) create mode 100644 src/VBox/Devices/Graphics/DevVGATmpl.h (limited to 'src/VBox/Devices/Graphics/DevVGATmpl.h') diff --git a/src/VBox/Devices/Graphics/DevVGATmpl.h b/src/VBox/Devices/Graphics/DevVGATmpl.h new file mode 100644 index 00000000..9ec4bad9 --- /dev/null +++ b/src/VBox/Devices/Graphics/DevVGATmpl.h @@ -0,0 +1,582 @@ +/* $Id: DevVGATmpl.h $ */ +/** @file + * DevVGA - VBox VGA/VESA device, code templates. + */ + +/* + * Copyright (C) 2006-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + * + * SPDX-License-Identifier: GPL-3.0-only + * -------------------------------------------------------------------- + * + * This code is based on: + * + * QEMU VGA Emulator templates + * + * Copyright (c) 2003 Fabrice Bellard + * + * 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 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. + */ + +#if DEPTH == 8 +#define BPP 1 +#define PIXEL_TYPE uint8_t +#elif DEPTH == 15 || DEPTH == 16 +#define BPP 2 +#define PIXEL_TYPE uint16_t +#elif DEPTH == 32 +#define BPP 4 +#define PIXEL_TYPE uint32_t +#else +#error unsupport depth +#endif + +#if DEPTH != 15 + +static inline void RT_CONCAT(vga_draw_glyph_line_, DEPTH)(uint8_t *d, + int font_data, + uint32_t xorcol, + uint32_t bgcol, + int dscan, + int linesize) +{ +#if BPP == 1 + ((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol; + ((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol; + if (dscan) { + uint8_t *c = d + linesize; + ((uint32_t *)c)[0] = ((uint32_t *)d)[0]; + ((uint32_t *)c)[1] = ((uint32_t *)d)[1]; + } +#elif BPP == 2 + ((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol; + ((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol; + ((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol; + ((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol; + if (dscan) + memcpy(d + linesize, d, 4 * sizeof(uint32_t)); +#else + ((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol; + ((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol; + ((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol; + ((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol; + ((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol; + ((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol; + ((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol; + ((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol; + if (dscan) + memcpy(d + linesize, d, 8 * sizeof(uint32_t)); +#endif +} + +static void RT_CONCAT(vga_draw_glyph8_, DEPTH)(uint8_t *d, int linesize, + const uint8_t *font_ptr, int h, + uint32_t fgcol, uint32_t bgcol, int dscan) +{ + uint32_t xorcol; + int font_data; + + xorcol = bgcol ^ fgcol; + do { + font_data = font_ptr[0]; + RT_CONCAT(vga_draw_glyph_line_, DEPTH)(d, font_data, xorcol, bgcol, dscan, linesize); + font_ptr += 4; + d += linesize << dscan; + } while (--h); +} + +static void RT_CONCAT(vga_draw_glyph16_, DEPTH)(uint8_t *d, int linesize, + const uint8_t *font_ptr, int h, + uint32_t fgcol, uint32_t bgcol, int dscan) +{ + uint32_t xorcol; + int font_data; + + xorcol = bgcol ^ fgcol; + do { + font_data = font_ptr[0]; + RT_CONCAT(vga_draw_glyph_line_, DEPTH)(d, + expand4to8[font_data >> 4], + xorcol, bgcol, dscan, linesize); + RT_CONCAT(vga_draw_glyph_line_, DEPTH)(d + 8 * BPP, + expand4to8[font_data & 0x0f], + xorcol, bgcol, dscan, linesize); + font_ptr += 4; + d += linesize << dscan; + } while (--h); +} + +static void RT_CONCAT(vga_draw_glyph9_, DEPTH)(uint8_t *d, int linesize, + const uint8_t *font_ptr, int h, + uint32_t fgcol, uint32_t bgcol, int dup9) +{ + uint32_t xorcol, v; + int font_data; + + xorcol = bgcol ^ fgcol; + do { + font_data = font_ptr[0]; +#if BPP == 1 + ((uint32_t *)d)[0] = RT_H2LE_U32((dmask16[(font_data >> 4)] & xorcol) ^ bgcol); + v = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol; + ((uint32_t *)d)[1] = RT_H2LE_U32(v); + if (dup9) + ((uint8_t *)d)[8] = v >> (24 * (1 - BIG)); + else + ((uint8_t *)d)[8] = bgcol; + +#elif BPP == 2 + ((uint32_t *)d)[0] = RT_H2LE_U32((dmask4[(font_data >> 6)] & xorcol) ^ bgcol); + ((uint32_t *)d)[1] = RT_H2LE_U32((dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol); + ((uint32_t *)d)[2] = RT_H2LE_U32((dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol); + v = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol; + ((uint32_t *)d)[3] = RT_H2LE_U32(v); + if (dup9) + ((uint16_t *)d)[8] = v >> (16 * (1 - BIG)); + else + ((uint16_t *)d)[8] = bgcol; +#else + ((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol; + ((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol; + ((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol; + ((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol; + ((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol; + ((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol; + ((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol; + v = (-((font_data >> 0) & 1) & xorcol) ^ bgcol; + ((uint32_t *)d)[7] = v; + if (dup9) + ((uint32_t *)d)[8] = v; + else + ((uint32_t *)d)[8] = bgcol; +#endif + font_ptr += 4; + d += linesize; + } while (--h); +} + +/* + * 4 color mode + */ +static void RT_CONCAT(vga_draw_line2_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d, + const uint8_t *s, int width) +{ + uint32_t plane_mask, *palette, data, v, src_inc, dwb_mode; + int x; + RT_NOREF(pThisCC); + + palette = s1->last_palette; + plane_mask = mask16[s1->ar[0x12] & 0xf]; + dwb_mode = (s1->cr[0x14] & 0x40) ? 2 : (s1->cr[0x17] & 0x40) ? 0 : 1; + src_inc = 4 << dwb_mode; + width >>= 3; + for(x = 0; x < width; x++) { + data = ((uint32_t *)s)[0]; + data &= plane_mask; + v = expand2[GET_PLANE(data, 0)]; + v |= expand2[GET_PLANE(data, 2)] << 2; + ((PIXEL_TYPE *)d)[0] = palette[v >> 12]; + ((PIXEL_TYPE *)d)[1] = palette[(v >> 8) & 0xf]; + ((PIXEL_TYPE *)d)[2] = palette[(v >> 4) & 0xf]; + ((PIXEL_TYPE *)d)[3] = palette[(v >> 0) & 0xf]; + + v = expand2[GET_PLANE(data, 1)]; + v |= expand2[GET_PLANE(data, 3)] << 2; + ((PIXEL_TYPE *)d)[4] = palette[v >> 12]; + ((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf]; + ((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf]; + ((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf]; + d += BPP * 8; + s += src_inc; + } +} + +#if BPP == 1 +#define PUT_PIXEL2(d, n, v) ((uint16_t *)d)[(n)] = (v) +#elif BPP == 2 +#define PUT_PIXEL2(d, n, v) ((uint32_t *)d)[(n)] = (v) +#else +#define PUT_PIXEL2(d, n, v) \ +((uint32_t *)d)[2*(n)] = ((uint32_t *)d)[2*(n)+1] = (v) +#endif + +/* + * 4 color mode, dup2 horizontal + */ +static void RT_CONCAT(vga_draw_line2d2_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d, + const uint8_t *s, int width) +{ + uint32_t plane_mask, *palette, data, v, src_inc, dwb_mode; + int x; + RT_NOREF(pThisCC); + + palette = s1->last_palette; + plane_mask = mask16[s1->ar[0x12] & 0xf]; + dwb_mode = (s1->cr[0x14] & 0x40) ? 2 : (s1->cr[0x17] & 0x40) ? 0 : 1; + src_inc = 4 << dwb_mode; + width >>= 3; + for(x = 0; x < width; x++) { + data = ((uint32_t *)s)[0]; + data &= plane_mask; + v = expand2[GET_PLANE(data, 0)]; + v |= expand2[GET_PLANE(data, 2)] << 2; + PUT_PIXEL2(d, 0, palette[v >> 12]); + PUT_PIXEL2(d, 1, palette[(v >> 8) & 0xf]); + PUT_PIXEL2(d, 2, palette[(v >> 4) & 0xf]); + PUT_PIXEL2(d, 3, palette[(v >> 0) & 0xf]); + + v = expand2[GET_PLANE(data, 1)]; + v |= expand2[GET_PLANE(data, 3)] << 2; + PUT_PIXEL2(d, 4, palette[v >> 12]); + PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]); + PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]); + PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]); + d += BPP * 16; + s += src_inc; + } +} + +/* + * 16 color mode + */ +static void RT_CONCAT(vga_draw_line4_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d, + const uint8_t *s, int width) +{ + uint32_t plane_mask, data, v, *palette, vram_ofs; + int x; + RT_NOREF(pThisCC); + + vram_ofs = s - pThisCC->pbVRam; + palette = s1->last_palette; + plane_mask = mask16[s1->ar[0x12] & 0xf]; + width >>= 3; + for(x = 0; x < width; x++) { + s = pThisCC->pbVRam + (vram_ofs & s1->vga_addr_mask); + data = ((uint32_t *)s)[0]; + data &= plane_mask; + v = expand4[GET_PLANE(data, 0)]; + v |= expand4[GET_PLANE(data, 1)] << 1; + v |= expand4[GET_PLANE(data, 2)] << 2; + v |= expand4[GET_PLANE(data, 3)] << 3; + ((PIXEL_TYPE *)d)[0] = palette[v >> 28]; + ((PIXEL_TYPE *)d)[1] = palette[(v >> 24) & 0xf]; + ((PIXEL_TYPE *)d)[2] = palette[(v >> 20) & 0xf]; + ((PIXEL_TYPE *)d)[3] = palette[(v >> 16) & 0xf]; + ((PIXEL_TYPE *)d)[4] = palette[(v >> 12) & 0xf]; + ((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf]; + ((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf]; + ((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf]; + d += BPP * 8; + vram_ofs += 4; + } +} + +/* + * 16 color mode, dup2 horizontal + */ +static void RT_CONCAT(vga_draw_line4d2_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d, + const uint8_t *s, int width) +{ + uint32_t plane_mask, data, v, *palette; + int x; + RT_NOREF(pThisCC); + + palette = s1->last_palette; + plane_mask = mask16[s1->ar[0x12] & 0xf]; + width >>= 3; + for(x = 0; x < width; x++) { + data = ((uint32_t *)s)[0]; + data &= plane_mask; + v = expand4[GET_PLANE(data, 0)]; + v |= expand4[GET_PLANE(data, 1)] << 1; + v |= expand4[GET_PLANE(data, 2)] << 2; + v |= expand4[GET_PLANE(data, 3)] << 3; + PUT_PIXEL2(d, 0, palette[v >> 28]); + PUT_PIXEL2(d, 1, palette[(v >> 24) & 0xf]); + PUT_PIXEL2(d, 2, palette[(v >> 20) & 0xf]); + PUT_PIXEL2(d, 3, palette[(v >> 16) & 0xf]); + PUT_PIXEL2(d, 4, palette[(v >> 12) & 0xf]); + PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]); + PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]); + PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]); + d += BPP * 16; + s += 4; + } +} + +/* + * 256 color mode, double pixels + * + * XXX: add plane_mask support (never used in standard VGA modes) + */ +static void RT_CONCAT(vga_draw_line8d2_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d, + const uint8_t *s, int width) +{ + uint32_t *palette; + int x; + RT_NOREF(pThisCC); + + palette = s1->last_palette; + width >>= 3; + for(x = 0; x < width; x++) { + PUT_PIXEL2(d, 0, palette[s[0]]); + PUT_PIXEL2(d, 1, palette[s[1]]); + PUT_PIXEL2(d, 2, palette[s[2]]); + PUT_PIXEL2(d, 3, palette[s[3]]); + d += BPP * 8; + s += 4; + } +} + +/* + * standard 256 color mode + * + * XXX: add plane_mask support (never used in standard VGA modes) + */ +static void RT_CONCAT(vga_draw_line8_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d, + const uint8_t *s, int width) +{ + uint32_t *palette; + int x; + RT_NOREF(pThisCC); + + palette = s1->last_palette; + width >>= 3; + for(x = 0; x < width; x++) { + ((PIXEL_TYPE *)d)[0] = palette[s[0]]; + ((PIXEL_TYPE *)d)[1] = palette[s[1]]; + ((PIXEL_TYPE *)d)[2] = palette[s[2]]; + ((PIXEL_TYPE *)d)[3] = palette[s[3]]; + ((PIXEL_TYPE *)d)[4] = palette[s[4]]; + ((PIXEL_TYPE *)d)[5] = palette[s[5]]; + ((PIXEL_TYPE *)d)[6] = palette[s[6]]; + ((PIXEL_TYPE *)d)[7] = palette[s[7]]; + d += BPP * 8; + s += 8; + } +} + +#endif /* DEPTH != 15 */ + + +/* XXX: optimize */ + +/* + * 15 bit color + */ +static void RT_CONCAT(vga_draw_line15_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d, + const uint8_t *s, int width) +{ + RT_NOREF(s1, pThisCC); +#if DEPTH == 15 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN) + memcpy(d, s, width * 2); +#else + int w; + uint32_t v, r, g, b; + + w = width; + do { + v = s[0] | (s[1] << 8); + r = (v >> 7) & 0xf8; + g = (v >> 2) & 0xf8; + b = (v << 3) & 0xf8; + ((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b); + s += 2; + d += BPP; + } while (--w != 0); +#endif +} + +/* + * 16 bit color + */ +static void RT_CONCAT(vga_draw_line16_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d, + const uint8_t *s, int width) +{ + RT_NOREF(s1, pThisCC); +#if DEPTH == 16 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN) + memcpy(d, s, width * 2); +#else + int w; + uint32_t v, r, g, b; + + w = width; + do { + v = s[0] | (s[1] << 8); + r = (v >> 8) & 0xf8; + g = (v >> 3) & 0xfc; + b = (v << 3) & 0xf8; + ((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b); + s += 2; + d += BPP; + } while (--w != 0); +#endif +} + +/* + * 24 bit color + */ +static void RT_CONCAT(vga_draw_line24_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d, + const uint8_t *s, int width) +{ + int w; + uint32_t r, g, b; + RT_NOREF(s1, pThisCC); + + w = width; + do { +#if defined(TARGET_WORDS_BIGENDIAN) + r = s[0]; + g = s[1]; + b = s[2]; +#else + b = s[0]; + g = s[1]; + r = s[2]; +#endif + ((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b); + s += 3; + d += BPP; + } while (--w != 0); +} + +/* + * 32 bit color + */ +static void RT_CONCAT(vga_draw_line32_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d, + const uint8_t *s, int width) +{ + RT_NOREF(s1, pThisCC); +#if DEPTH == 32 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN) + memcpy(d, s, width * 4); +#else + int w; + uint32_t r, g, b; + + w = width; + do { +#if defined(TARGET_WORDS_BIGENDIAN) + r = s[1]; + g = s[2]; + b = s[3]; +#else + b = s[0]; + g = s[1]; + r = s[2]; +#endif + ((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b); + s += 4; + d += BPP; + } while (--w != 0); +#endif +} + +#if DEPTH != 15 +#ifndef VBOX +#ifdef VBOX +static +#endif/* VBOX */ +void RT_CONCAT(vga_draw_cursor_line_, DEPTH)(uint8_t *d1, + const uint8_t *src1, + int poffset, int w, + unsigned int color0, + unsigned int color1, + unsigned int color_xor) +{ + const uint8_t *plane0, *plane1; + int x, b0, b1; + uint8_t *d; + + d = d1; + plane0 = src1; + plane1 = src1 + poffset; + for(x = 0; x < w; x++) { + b0 = (plane0[x >> 3] >> (7 - (x & 7))) & 1; + b1 = (plane1[x >> 3] >> (7 - (x & 7))) & 1; +#if DEPTH == 8 + switch(b0 | (b1 << 1)) { + case 0: + break; + case 1: + d[0] ^= color_xor; + break; + case 2: + d[0] = color0; + break; + case 3: + d[0] = color1; + break; + } +#elif DEPTH == 16 + switch(b0 | (b1 << 1)) { + case 0: + break; + case 1: + ((uint16_t *)d)[0] ^= color_xor; + break; + case 2: + ((uint16_t *)d)[0] = color0; + break; + case 3: + ((uint16_t *)d)[0] = color1; + break; + } +#elif DEPTH == 32 + switch(b0 | (b1 << 1)) { + case 0: + break; + case 1: + ((uint32_t *)d)[0] ^= color_xor; + break; + case 2: + ((uint32_t *)d)[0] = color0; + break; + case 3: + ((uint32_t *)d)[0] = color1; + break; + } +#else +#error unsupported depth +#endif + d += BPP; + } +} +#endif /* !VBOX */ +#endif + +#undef PUT_PIXEL2 +#undef DEPTH +#undef BPP +#undef PIXEL_TYPE -- cgit v1.2.3