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/*
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* QEMU VGA Emulator templates
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#if DEPTH == 8 |
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#define BPP 1 |
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#define PIXEL_TYPE uint8_t
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#elif DEPTH == 15 || DEPTH == 16 |
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#define BPP 2 |
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#define PIXEL_TYPE uint16_t
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#elif DEPTH == 32 |
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#define BPP 4 |
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#define PIXEL_TYPE uint32_t
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#else
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#error unsupport depth
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#endif
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#ifdef BGR_FORMAT
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#define PIXEL_NAME glue(DEPTH, bgr)
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#else
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#define PIXEL_NAME DEPTH
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#endif /* BGR_FORMAT */ |
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#if DEPTH != 15 && !defined(BGR_FORMAT) |
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static inline void glue(vga_draw_glyph_line_, DEPTH)(uint8_t *d, |
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uint32_t font_data, |
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uint32_t xorcol, |
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uint32_t bgcol) |
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{ |
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#if BPP == 1 |
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((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol; |
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((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol; |
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#elif BPP == 2 |
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((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol; |
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((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol; |
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((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol; |
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((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol; |
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#else
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((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol; |
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((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol; |
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((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol; |
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((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol; |
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((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol; |
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((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol; |
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((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol; |
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((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol; |
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#endif
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} |
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static void glue(vga_draw_glyph8_, DEPTH)(uint8_t *d, int linesize, |
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const uint8_t *font_ptr, int h, |
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uint32_t fgcol, uint32_t bgcol) |
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{ |
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uint32_t font_data, xorcol; |
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xorcol = bgcol ^ fgcol; |
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do {
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font_data = font_ptr[0];
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glue(vga_draw_glyph_line_, DEPTH)(d, font_data, xorcol, bgcol); |
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font_ptr += 4;
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d += linesize; |
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} while (--h);
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} |
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static void glue(vga_draw_glyph16_, DEPTH)(uint8_t *d, int linesize, |
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const uint8_t *font_ptr, int h, |
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uint32_t fgcol, uint32_t bgcol) |
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{ |
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uint32_t font_data, xorcol; |
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xorcol = bgcol ^ fgcol; |
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do {
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font_data = font_ptr[0];
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glue(vga_draw_glyph_line_, DEPTH)(d, |
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expand4to8[font_data >> 4],
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xorcol, bgcol); |
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glue(vga_draw_glyph_line_, DEPTH)(d + 8 * BPP,
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expand4to8[font_data & 0x0f],
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xorcol, bgcol); |
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font_ptr += 4;
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d += linesize; |
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} while (--h);
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} |
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static void glue(vga_draw_glyph9_, DEPTH)(uint8_t *d, int linesize, |
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const uint8_t *font_ptr, int h, |
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uint32_t fgcol, uint32_t bgcol, int dup9)
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{ |
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uint32_t font_data, xorcol, v; |
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xorcol = bgcol ^ fgcol; |
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do {
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font_data = font_ptr[0];
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#if BPP == 1 |
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cpu_to_32wu((uint32_t *)d, (dmask16[(font_data >> 4)] & xorcol) ^ bgcol);
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v = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol; |
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cpu_to_32wu(((uint32_t *)d)+1, v);
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if (dup9)
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((uint8_t *)d)[8] = v >> (24 * (1 - BIG)); |
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else
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((uint8_t *)d)[8] = bgcol;
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#elif BPP == 2 |
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cpu_to_32wu(((uint32_t *)d)+0, (dmask4[(font_data >> 6)] & xorcol) ^ bgcol); |
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cpu_to_32wu(((uint32_t *)d)+1, (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol); |
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cpu_to_32wu(((uint32_t *)d)+2, (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol); |
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v = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol; |
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cpu_to_32wu(((uint32_t *)d)+3, v);
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if (dup9)
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((uint16_t *)d)[8] = v >> (16 * (1 - BIG)); |
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else
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((uint16_t *)d)[8] = bgcol;
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#else
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((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol; |
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((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol; |
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((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol; |
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((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol; |
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((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol; |
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((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol; |
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((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol; |
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v = (-((font_data >> 0) & 1) & xorcol) ^ bgcol; |
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((uint32_t *)d)[7] = v;
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if (dup9)
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((uint32_t *)d)[8] = v;
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else
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((uint32_t *)d)[8] = bgcol;
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#endif
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font_ptr += 4;
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d += linesize; |
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} while (--h);
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} |
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/*
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* 4 color mode
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*/
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static void glue(vga_draw_line2_, DEPTH)(VGACommonState *s1, uint8_t *d, |
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const uint8_t *s, int width) |
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{ |
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uint32_t plane_mask, *palette, data, v; |
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int x;
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palette = s1->last_palette; |
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plane_mask = mask16[s1->ar[0x12] & 0xf]; |
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width >>= 3;
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for(x = 0; x < width; x++) { |
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data = ((uint32_t *)s)[0];
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data &= plane_mask; |
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v = expand2[GET_PLANE(data, 0)];
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v |= expand2[GET_PLANE(data, 2)] << 2; |
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((PIXEL_TYPE *)d)[0] = palette[v >> 12]; |
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((PIXEL_TYPE *)d)[1] = palette[(v >> 8) & 0xf]; |
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((PIXEL_TYPE *)d)[2] = palette[(v >> 4) & 0xf]; |
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((PIXEL_TYPE *)d)[3] = palette[(v >> 0) & 0xf]; |
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v = expand2[GET_PLANE(data, 1)];
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v |= expand2[GET_PLANE(data, 3)] << 2; |
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((PIXEL_TYPE *)d)[4] = palette[v >> 12]; |
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((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf]; |
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((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf]; |
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((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf]; |
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d += BPP * 8;
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s += 4;
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} |
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} |
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#if BPP == 1 |
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#define PUT_PIXEL2(d, n, v) ((uint16_t *)d)[(n)] = (v)
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#elif BPP == 2 |
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#define PUT_PIXEL2(d, n, v) ((uint32_t *)d)[(n)] = (v)
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#else
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#define PUT_PIXEL2(d, n, v) \
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((uint32_t *)d)[2*(n)] = ((uint32_t *)d)[2*(n)+1] = (v) |
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#endif
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/*
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* 4 color mode, dup2 horizontal
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*/
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static void glue(vga_draw_line2d2_, DEPTH)(VGACommonState *s1, uint8_t *d, |
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const uint8_t *s, int width) |
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{ |
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uint32_t plane_mask, *palette, data, v; |
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int x;
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palette = s1->last_palette; |
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plane_mask = mask16[s1->ar[0x12] & 0xf]; |
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width >>= 3;
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for(x = 0; x < width; x++) { |
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data = ((uint32_t *)s)[0];
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data &= plane_mask; |
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v = expand2[GET_PLANE(data, 0)];
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v |= expand2[GET_PLANE(data, 2)] << 2; |
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PUT_PIXEL2(d, 0, palette[v >> 12]); |
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PUT_PIXEL2(d, 1, palette[(v >> 8) & 0xf]); |
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PUT_PIXEL2(d, 2, palette[(v >> 4) & 0xf]); |
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PUT_PIXEL2(d, 3, palette[(v >> 0) & 0xf]); |
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v = expand2[GET_PLANE(data, 1)];
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v |= expand2[GET_PLANE(data, 3)] << 2; |
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PUT_PIXEL2(d, 4, palette[v >> 12]); |
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PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]); |
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PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]); |
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PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]); |
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d += BPP * 16;
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s += 4;
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} |
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} |
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/*
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* 16 color mode
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*/
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static void glue(vga_draw_line4_, DEPTH)(VGACommonState *s1, uint8_t *d, |
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const uint8_t *s, int width) |
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{ |
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uint32_t plane_mask, data, v, *palette; |
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int x;
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palette = s1->last_palette; |
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plane_mask = mask16[s1->ar[0x12] & 0xf]; |
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width >>= 3;
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for(x = 0; x < width; x++) { |
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data = ((uint32_t *)s)[0];
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data &= plane_mask; |
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v = expand4[GET_PLANE(data, 0)];
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v |= expand4[GET_PLANE(data, 1)] << 1; |
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v |= expand4[GET_PLANE(data, 2)] << 2; |
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v |= expand4[GET_PLANE(data, 3)] << 3; |
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((PIXEL_TYPE *)d)[0] = palette[v >> 28]; |
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((PIXEL_TYPE *)d)[1] = palette[(v >> 24) & 0xf]; |
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((PIXEL_TYPE *)d)[2] = palette[(v >> 20) & 0xf]; |
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((PIXEL_TYPE *)d)[3] = palette[(v >> 16) & 0xf]; |
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((PIXEL_TYPE *)d)[4] = palette[(v >> 12) & 0xf]; |
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((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf]; |
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((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf]; |
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((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf]; |
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d += BPP * 8;
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s += 4;
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} |
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} |
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/*
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* 16 color mode, dup2 horizontal
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*/
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static void glue(vga_draw_line4d2_, DEPTH)(VGACommonState *s1, uint8_t *d, |
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const uint8_t *s, int width) |
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{ |
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uint32_t plane_mask, data, v, *palette; |
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int x;
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palette = s1->last_palette; |
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plane_mask = mask16[s1->ar[0x12] & 0xf]; |
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width >>= 3;
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for(x = 0; x < width; x++) { |
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data = ((uint32_t *)s)[0];
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data &= plane_mask; |
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v = expand4[GET_PLANE(data, 0)];
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v |= expand4[GET_PLANE(data, 1)] << 1; |
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v |= expand4[GET_PLANE(data, 2)] << 2; |
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v |= expand4[GET_PLANE(data, 3)] << 3; |
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PUT_PIXEL2(d, 0, palette[v >> 28]); |
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PUT_PIXEL2(d, 1, palette[(v >> 24) & 0xf]); |
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PUT_PIXEL2(d, 2, palette[(v >> 20) & 0xf]); |
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PUT_PIXEL2(d, 3, palette[(v >> 16) & 0xf]); |
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PUT_PIXEL2(d, 4, palette[(v >> 12) & 0xf]); |
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PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]); |
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PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]); |
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PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]); |
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d += BPP * 16;
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s += 4;
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} |
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} |
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/*
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* 256 color mode, double pixels
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*
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* XXX: add plane_mask support (never used in standard VGA modes)
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*/
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static void glue(vga_draw_line8d2_, DEPTH)(VGACommonState *s1, uint8_t *d, |
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const uint8_t *s, int width) |
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{ |
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uint32_t *palette; |
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int x;
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palette = s1->last_palette; |
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width >>= 3;
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for(x = 0; x < width; x++) { |
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PUT_PIXEL2(d, 0, palette[s[0]]); |
308 |
PUT_PIXEL2(d, 1, palette[s[1]]); |
309 |
PUT_PIXEL2(d, 2, palette[s[2]]); |
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PUT_PIXEL2(d, 3, palette[s[3]]); |
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d += BPP * 8;
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s += 4;
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} |
314 |
} |
315 |
|
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/*
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* standard 256 color mode
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*
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* XXX: add plane_mask support (never used in standard VGA modes)
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*/
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static void glue(vga_draw_line8_, DEPTH)(VGACommonState *s1, uint8_t *d, |
322 |
const uint8_t *s, int width) |
323 |
{ |
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uint32_t *palette; |
325 |
int x;
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palette = s1->last_palette; |
328 |
width >>= 3;
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for(x = 0; x < width; x++) { |
330 |
((PIXEL_TYPE *)d)[0] = palette[s[0]]; |
331 |
((PIXEL_TYPE *)d)[1] = palette[s[1]]; |
332 |
((PIXEL_TYPE *)d)[2] = palette[s[2]]; |
333 |
((PIXEL_TYPE *)d)[3] = palette[s[3]]; |
334 |
((PIXEL_TYPE *)d)[4] = palette[s[4]]; |
335 |
((PIXEL_TYPE *)d)[5] = palette[s[5]]; |
336 |
((PIXEL_TYPE *)d)[6] = palette[s[6]]; |
337 |
((PIXEL_TYPE *)d)[7] = palette[s[7]]; |
338 |
d += BPP * 8;
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s += 8;
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340 |
} |
341 |
} |
342 |
|
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void glue(vga_draw_cursor_line_, DEPTH)(uint8_t *d1,
|
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const uint8_t *src1,
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int poffset, int w, |
346 |
unsigned int color0, |
347 |
unsigned int color1, |
348 |
unsigned int color_xor) |
349 |
{ |
350 |
const uint8_t *plane0, *plane1;
|
351 |
int x, b0, b1;
|
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uint8_t *d; |
353 |
|
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d = d1; |
355 |
plane0 = src1; |
356 |
plane1 = src1 + poffset; |
357 |
for(x = 0; x < w; x++) { |
358 |
b0 = (plane0[x >> 3] >> (7 - (x & 7))) & 1; |
359 |
b1 = (plane1[x >> 3] >> (7 - (x & 7))) & 1; |
360 |
#if DEPTH == 8 |
361 |
switch(b0 | (b1 << 1)) { |
362 |
case 0: |
363 |
break;
|
364 |
case 1: |
365 |
d[0] ^= color_xor;
|
366 |
break;
|
367 |
case 2: |
368 |
d[0] = color0;
|
369 |
break;
|
370 |
case 3: |
371 |
d[0] = color1;
|
372 |
break;
|
373 |
} |
374 |
#elif DEPTH == 16 |
375 |
switch(b0 | (b1 << 1)) { |
376 |
case 0: |
377 |
break;
|
378 |
case 1: |
379 |
((uint16_t *)d)[0] ^= color_xor;
|
380 |
break;
|
381 |
case 2: |
382 |
((uint16_t *)d)[0] = color0;
|
383 |
break;
|
384 |
case 3: |
385 |
((uint16_t *)d)[0] = color1;
|
386 |
break;
|
387 |
} |
388 |
#elif DEPTH == 32 |
389 |
switch(b0 | (b1 << 1)) { |
390 |
case 0: |
391 |
break;
|
392 |
case 1: |
393 |
((uint32_t *)d)[0] ^= color_xor;
|
394 |
break;
|
395 |
case 2: |
396 |
((uint32_t *)d)[0] = color0;
|
397 |
break;
|
398 |
case 3: |
399 |
((uint32_t *)d)[0] = color1;
|
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break;
|
401 |
} |
402 |
#else
|
403 |
#error unsupported depth
|
404 |
#endif
|
405 |
d += BPP; |
406 |
} |
407 |
} |
408 |
|
409 |
#endif /* DEPTH != 15 */ |
410 |
|
411 |
|
412 |
/* XXX: optimize */
|
413 |
|
414 |
/*
|
415 |
* 15 bit color
|
416 |
*/
|
417 |
static void glue(vga_draw_line15_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d, |
418 |
const uint8_t *s, int width) |
419 |
{ |
420 |
#if DEPTH == 15 && defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN) |
421 |
memcpy(d, s, width * 2);
|
422 |
#else
|
423 |
int w;
|
424 |
uint32_t v, r, g, b; |
425 |
|
426 |
w = width; |
427 |
do {
|
428 |
v = lduw_raw((void *)s);
|
429 |
r = (v >> 7) & 0xf8; |
430 |
g = (v >> 2) & 0xf8; |
431 |
b = (v << 3) & 0xf8; |
432 |
((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
|
433 |
s += 2;
|
434 |
d += BPP; |
435 |
} while (--w != 0); |
436 |
#endif
|
437 |
} |
438 |
|
439 |
/*
|
440 |
* 16 bit color
|
441 |
*/
|
442 |
static void glue(vga_draw_line16_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d, |
443 |
const uint8_t *s, int width) |
444 |
{ |
445 |
#if DEPTH == 16 && defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN) |
446 |
memcpy(d, s, width * 2);
|
447 |
#else
|
448 |
int w;
|
449 |
uint32_t v, r, g, b; |
450 |
|
451 |
w = width; |
452 |
do {
|
453 |
v = lduw_raw((void *)s);
|
454 |
r = (v >> 8) & 0xf8; |
455 |
g = (v >> 3) & 0xfc; |
456 |
b = (v << 3) & 0xf8; |
457 |
((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
|
458 |
s += 2;
|
459 |
d += BPP; |
460 |
} while (--w != 0); |
461 |
#endif
|
462 |
} |
463 |
|
464 |
/*
|
465 |
* 24 bit color
|
466 |
*/
|
467 |
static void glue(vga_draw_line24_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d, |
468 |
const uint8_t *s, int width) |
469 |
{ |
470 |
int w;
|
471 |
uint32_t r, g, b; |
472 |
|
473 |
w = width; |
474 |
do {
|
475 |
#if defined(TARGET_WORDS_BIGENDIAN)
|
476 |
r = s[0];
|
477 |
g = s[1];
|
478 |
b = s[2];
|
479 |
#else
|
480 |
b = s[0];
|
481 |
g = s[1];
|
482 |
r = s[2];
|
483 |
#endif
|
484 |
((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
|
485 |
s += 3;
|
486 |
d += BPP; |
487 |
} while (--w != 0); |
488 |
} |
489 |
|
490 |
/*
|
491 |
* 32 bit color
|
492 |
*/
|
493 |
static void glue(vga_draw_line32_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d, |
494 |
const uint8_t *s, int width) |
495 |
{ |
496 |
#if DEPTH == 32 && defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN) && !defined(BGR_FORMAT) |
497 |
memcpy(d, s, width * 4);
|
498 |
#else
|
499 |
int w;
|
500 |
uint32_t r, g, b; |
501 |
|
502 |
w = width; |
503 |
do {
|
504 |
#if defined(TARGET_WORDS_BIGENDIAN)
|
505 |
r = s[1];
|
506 |
g = s[2];
|
507 |
b = s[3];
|
508 |
#else
|
509 |
b = s[0];
|
510 |
g = s[1];
|
511 |
r = s[2];
|
512 |
#endif
|
513 |
((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
|
514 |
s += 4;
|
515 |
d += BPP; |
516 |
} while (--w != 0); |
517 |
#endif
|
518 |
} |
519 |
|
520 |
#undef PUT_PIXEL2
|
521 |
#undef DEPTH
|
522 |
#undef BPP
|
523 |
#undef PIXEL_TYPE
|
524 |
#undef PIXEL_NAME
|
525 |
#undef BGR_FORMAT
|