diff options
author | Blue Swirl <blauwirbel@gmail.com> | 2012-01-25 16:10:44 +0000 |
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committer | Blue Swirl <blauwirbel@gmail.com> | 2012-02-04 12:45:10 +0000 |
commit | 94d7b48334d86b401439d732407d5989557d2218 (patch) | |
tree | 6e01690ac00fa2417ac7acac5b9eb000a65e262a /hw/cirrus_vga_template.h | |
parent | cd7a45c95ecf2404810f3c6becb7cb83c5010ad8 (diff) |
vga: move Cirrus VGA template to its own file
Standard VGA does not use vga_draw_cursor_line_* functions.
Move the template to cirrus_vga_template.h.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'hw/cirrus_vga_template.h')
-rw-r--r-- | hw/cirrus_vga_template.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/hw/cirrus_vga_template.h b/hw/cirrus_vga_template.h new file mode 100644 index 0000000000..3b28280588 --- /dev/null +++ b/hw/cirrus_vga_template.h @@ -0,0 +1,102 @@ +/* + * QEMU Cirrus 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 +#elif DEPTH == 15 || DEPTH == 16 +#define BPP 2 +#elif DEPTH == 32 +#define BPP 4 +#else +#error unsupported depth +#endif + +static void glue(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; + } +} + +#undef DEPTH +#undef BPP |