diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2013-03-18 17:36:02 +0100 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2013-04-08 18:13:16 +0200 |
commit | 47b43a1f414c5b3eb9eb7502d0b0be0d134259ba (patch) | |
tree | 9acfd03f458083a077ac79bd462d5360916f445f /hw/display/milkymist-vgafb_template.h | |
parent | 8d8b636d28a97af7bf43c3267d07f87b9530939a (diff) |
hw: move private headers to hw/ subdirectories.
Many headers are used only in a single directory. These can be
kept in hw/.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/display/milkymist-vgafb_template.h')
-rw-r--r-- | hw/display/milkymist-vgafb_template.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/hw/display/milkymist-vgafb_template.h b/hw/display/milkymist-vgafb_template.h new file mode 100644 index 0000000000..e0036e16cf --- /dev/null +++ b/hw/display/milkymist-vgafb_template.h @@ -0,0 +1,74 @@ +/* + * QEMU model of the Milkymist VGA framebuffer. + * + * Copyright (c) 2010 Michael Walle <michael@walle.cc> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + * + */ + +#if BITS == 8 +#define COPY_PIXEL(to, r, g, b) \ + do { \ + *to = rgb_to_pixel8(r, g, b); \ + to += 1; \ + } while (0) +#elif BITS == 15 +#define COPY_PIXEL(to, r, g, b) \ + do { \ + *(uint16_t *)to = rgb_to_pixel15(r, g, b); \ + to += 2; \ + } while (0) +#elif BITS == 16 +#define COPY_PIXEL(to, r, g, b) \ + do { \ + *(uint16_t *)to = rgb_to_pixel16(r, g, b); \ + to += 2; \ + } while (0) +#elif BITS == 24 +#define COPY_PIXEL(to, r, g, b) \ + do { \ + uint32_t tmp = rgb_to_pixel24(r, g, b); \ + *(to++) = tmp & 0xff; \ + *(to++) = (tmp >> 8) & 0xff; \ + *(to++) = (tmp >> 16) & 0xff; \ + } while (0) +#elif BITS == 32 +#define COPY_PIXEL(to, r, g, b) \ + do { \ + *(uint32_t *)to = rgb_to_pixel32(r, g, b); \ + to += 4; \ + } while (0) +#else +#error unknown bit depth +#endif + +static void glue(draw_line_, BITS)(void *opaque, uint8_t *d, const uint8_t *s, + int width, int deststep) +{ + uint16_t rgb565; + uint8_t r, g, b; + + while (width--) { + memcpy(&rgb565, s, sizeof(rgb565)); + r = ((rgb565 >> 11) & 0x1f) << 3; + g = ((rgb565 >> 5) & 0x3f) << 2; + b = ((rgb565 >> 0) & 0x1f) << 3; + COPY_PIXEL(d, r, g, b); + s += 2; + } +} + +#undef BITS +#undef COPY_PIXEL |