root / hw / vga_template.h @ 71be0fc3
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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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#if DEPTH != 15 |
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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)(VGAState *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)(VGAState *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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|
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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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/*
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* 16 color mode
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*/
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static void glue(vga_draw_line4_, DEPTH)(VGAState *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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/*
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* 16 color mode, dup2 horizontal
|
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*/
|
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static void glue(vga_draw_line4d2_, DEPTH)(VGAState *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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/*
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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)(VGAState *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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|
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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]]); |
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PUT_PIXEL2(d, 1, palette[s[1]]); |
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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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} |
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} |
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|
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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)(VGAState *s1, uint8_t *d, |
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const uint8_t *s, int width) |
| 317 |
{
|
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uint32_t *palette; |
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int x;
|
| 320 |
|
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palette = s1->last_palette; |
| 322 |
width >>= 3;
|
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for(x = 0; x < width; x++) { |
| 324 |
((PIXEL_TYPE *)d)[0] = palette[s[0]]; |
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((PIXEL_TYPE *)d)[1] = palette[s[1]]; |
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((PIXEL_TYPE *)d)[2] = palette[s[2]]; |
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((PIXEL_TYPE *)d)[3] = palette[s[3]]; |
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((PIXEL_TYPE *)d)[4] = palette[s[4]]; |
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((PIXEL_TYPE *)d)[5] = palette[s[5]]; |
| 330 |
((PIXEL_TYPE *)d)[6] = palette[s[6]]; |
| 331 |
((PIXEL_TYPE *)d)[7] = palette[s[7]]; |
| 332 |
d += BPP * 8;
|
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s += 8;
|
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} |
| 335 |
} |
| 336 |
|
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#endif /* DEPTH != 15 */ |
| 338 |
|
| 339 |
|
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/* XXX: optimize */
|
| 341 |
|
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/*
|
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* 15 bit color
|
| 344 |
*/
|
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static void glue(vga_draw_line15_, DEPTH)(VGAState *s1, uint8_t *d, |
| 346 |
const uint8_t *s, int width) |
| 347 |
{
|
| 348 |
#if DEPTH == 15 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN) |
| 349 |
memcpy(d, s, width * 2);
|
| 350 |
#else
|
| 351 |
int w;
|
| 352 |
uint32_t v, r, g, b; |
| 353 |
|
| 354 |
w = width; |
| 355 |
do {
|
| 356 |
v = lduw_raw((void *)s);
|
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r = (v >> 7) & 0xf8; |
| 358 |
g = (v >> 2) & 0xf8; |
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b = (v << 3) & 0xf8; |
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((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b);
|
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s += 2;
|
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d += BPP; |
| 363 |
} while (--w != 0); |
| 364 |
#endif
|
| 365 |
} |
| 366 |
|
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/*
|
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* 16 bit color
|
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*/
|
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static void glue(vga_draw_line16_, DEPTH)(VGAState *s1, uint8_t *d, |
| 371 |
const uint8_t *s, int width) |
| 372 |
{
|
| 373 |
#if DEPTH == 16 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN) |
| 374 |
memcpy(d, s, width * 2);
|
| 375 |
#else
|
| 376 |
int w;
|
| 377 |
uint32_t v, r, g, b; |
| 378 |
|
| 379 |
w = width; |
| 380 |
do {
|
| 381 |
v = lduw_raw((void *)s);
|
| 382 |
r = (v >> 8) & 0xf8; |
| 383 |
g = (v >> 3) & 0xfc; |
| 384 |
b = (v << 3) & 0xf8; |
| 385 |
((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b);
|
| 386 |
s += 2;
|
| 387 |
d += BPP; |
| 388 |
} while (--w != 0); |
| 389 |
#endif
|
| 390 |
} |
| 391 |
|
| 392 |
/*
|
| 393 |
* 24 bit color
|
| 394 |
*/
|
| 395 |
static void glue(vga_draw_line24_, DEPTH)(VGAState *s1, uint8_t *d, |
| 396 |
const uint8_t *s, int width) |
| 397 |
{
|
| 398 |
int w;
|
| 399 |
uint32_t r, g, b; |
| 400 |
|
| 401 |
w = width; |
| 402 |
do {
|
| 403 |
#if defined(TARGET_WORDS_BIGENDIAN)
|
| 404 |
r = s[0];
|
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g = s[1];
|
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b = s[2];
|
| 407 |
#else
|
| 408 |
b = s[0];
|
| 409 |
g = s[1];
|
| 410 |
r = s[2];
|
| 411 |
#endif
|
| 412 |
((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b);
|
| 413 |
s += 3;
|
| 414 |
d += BPP; |
| 415 |
} while (--w != 0); |
| 416 |
} |
| 417 |
|
| 418 |
/*
|
| 419 |
* 32 bit color
|
| 420 |
*/
|
| 421 |
static void glue(vga_draw_line32_, DEPTH)(VGAState *s1, uint8_t *d, |
| 422 |
const uint8_t *s, int width) |
| 423 |
{
|
| 424 |
#if DEPTH == 32 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN) |
| 425 |
memcpy(d, s, width * 4);
|
| 426 |
#else
|
| 427 |
int w;
|
| 428 |
uint32_t r, g, b; |
| 429 |
|
| 430 |
w = width; |
| 431 |
do {
|
| 432 |
#if defined(TARGET_WORDS_BIGENDIAN)
|
| 433 |
r = s[1];
|
| 434 |
g = s[2];
|
| 435 |
b = s[3];
|
| 436 |
#else
|
| 437 |
b = s[0];
|
| 438 |
g = s[1];
|
| 439 |
r = s[2];
|
| 440 |
#endif
|
| 441 |
((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b);
|
| 442 |
s += 4;
|
| 443 |
d += BPP; |
| 444 |
} while (--w != 0); |
| 445 |
#endif
|
| 446 |
} |
| 447 |
|
| 448 |
#if DEPTH != 15 |
| 449 |
void glue(vga_draw_cursor_line_, DEPTH)(uint8_t *d1,
|
| 450 |
const uint8_t *src1,
|
| 451 |
int poffset, int w, |
| 452 |
unsigned int color0, |
| 453 |
unsigned int color1, |
| 454 |
unsigned int color_xor) |
| 455 |
{
|
| 456 |
const uint8_t *plane0, *plane1;
|
| 457 |
int x, b0, b1;
|
| 458 |
uint8_t *d; |
| 459 |
|
| 460 |
d = d1; |
| 461 |
plane0 = src1; |
| 462 |
plane1 = src1 + poffset; |
| 463 |
for(x = 0; x < w; x++) { |
| 464 |
b0 = (plane0[x >> 3] >> (7 - (x & 7))) & 1; |
| 465 |
b1 = (plane1[x >> 3] >> (7 - (x & 7))) & 1; |
| 466 |
#if DEPTH == 8 |
| 467 |
switch(b0 | (b1 << 1)) { |
| 468 |
case 0: |
| 469 |
break;
|
| 470 |
case 1: |
| 471 |
d[0] ^= color_xor;
|
| 472 |
break;
|
| 473 |
case 2: |
| 474 |
d[0] = color0;
|
| 475 |
break;
|
| 476 |
case 3: |
| 477 |
d[0] = color1;
|
| 478 |
break;
|
| 479 |
} |
| 480 |
#elif DEPTH == 16 |
| 481 |
switch(b0 | (b1 << 1)) { |
| 482 |
case 0: |
| 483 |
break;
|
| 484 |
case 1: |
| 485 |
((uint16_t *)d)[0] ^= color_xor;
|
| 486 |
break;
|
| 487 |
case 2: |
| 488 |
((uint16_t *)d)[0] = color0;
|
| 489 |
break;
|
| 490 |
case 3: |
| 491 |
((uint16_t *)d)[0] = color1;
|
| 492 |
break;
|
| 493 |
} |
| 494 |
#elif DEPTH == 32 |
| 495 |
switch(b0 | (b1 << 1)) { |
| 496 |
case 0: |
| 497 |
break;
|
| 498 |
case 1: |
| 499 |
((uint32_t *)d)[0] ^= color_xor;
|
| 500 |
break;
|
| 501 |
case 2: |
| 502 |
((uint32_t *)d)[0] = color0;
|
| 503 |
break;
|
| 504 |
case 3: |
| 505 |
((uint32_t *)d)[0] = color1;
|
| 506 |
break;
|
| 507 |
} |
| 508 |
#else
|
| 509 |
#error unsupported depth
|
| 510 |
#endif
|
| 511 |
d += BPP; |
| 512 |
} |
| 513 |
} |
| 514 |
#endif
|
| 515 |
|
| 516 |
#undef PUT_PIXEL2
|
| 517 |
#undef DEPTH
|
| 518 |
#undef BPP
|
| 519 |
#undef PIXEL_TYPE
|