170 lines
4.8 KiB
C
170 lines
4.8 KiB
C
/*
|
|
* QEMU OMAP LCD Emulator templates
|
|
*
|
|
* Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
|
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
|
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#if DEPTH == 32
|
|
# define BPP 4
|
|
# define PIXEL_TYPE uint32_t
|
|
#else
|
|
# error unsupport depth
|
|
#endif
|
|
|
|
/*
|
|
* 2-bit colour
|
|
*/
|
|
static void glue(draw_line2_, DEPTH)(void *opaque,
|
|
uint8_t *d, const uint8_t *s, int width, int deststep)
|
|
{
|
|
uint16_t *pal = opaque;
|
|
uint8_t v, r, g, b;
|
|
|
|
do {
|
|
v = ldub_p((void *) s);
|
|
r = (pal[v & 3] >> 4) & 0xf0;
|
|
g = pal[v & 3] & 0xf0;
|
|
b = (pal[v & 3] << 4) & 0xf0;
|
|
((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b);
|
|
d += BPP;
|
|
v >>= 2;
|
|
r = (pal[v & 3] >> 4) & 0xf0;
|
|
g = pal[v & 3] & 0xf0;
|
|
b = (pal[v & 3] << 4) & 0xf0;
|
|
((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b);
|
|
d += BPP;
|
|
v >>= 2;
|
|
r = (pal[v & 3] >> 4) & 0xf0;
|
|
g = pal[v & 3] & 0xf0;
|
|
b = (pal[v & 3] << 4) & 0xf0;
|
|
((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b);
|
|
d += BPP;
|
|
v >>= 2;
|
|
r = (pal[v & 3] >> 4) & 0xf0;
|
|
g = pal[v & 3] & 0xf0;
|
|
b = (pal[v & 3] << 4) & 0xf0;
|
|
((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b);
|
|
d += BPP;
|
|
s ++;
|
|
width -= 4;
|
|
} while (width > 0);
|
|
}
|
|
|
|
/*
|
|
* 4-bit colour
|
|
*/
|
|
static void glue(draw_line4_, DEPTH)(void *opaque,
|
|
uint8_t *d, const uint8_t *s, int width, int deststep)
|
|
{
|
|
uint16_t *pal = opaque;
|
|
uint8_t v, r, g, b;
|
|
|
|
do {
|
|
v = ldub_p((void *) s);
|
|
r = (pal[v & 0xf] >> 4) & 0xf0;
|
|
g = pal[v & 0xf] & 0xf0;
|
|
b = (pal[v & 0xf] << 4) & 0xf0;
|
|
((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b);
|
|
d += BPP;
|
|
v >>= 4;
|
|
r = (pal[v & 0xf] >> 4) & 0xf0;
|
|
g = pal[v & 0xf] & 0xf0;
|
|
b = (pal[v & 0xf] << 4) & 0xf0;
|
|
((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b);
|
|
d += BPP;
|
|
s ++;
|
|
width -= 2;
|
|
} while (width > 0);
|
|
}
|
|
|
|
/*
|
|
* 8-bit colour
|
|
*/
|
|
static void glue(draw_line8_, DEPTH)(void *opaque,
|
|
uint8_t *d, const uint8_t *s, int width, int deststep)
|
|
{
|
|
uint16_t *pal = opaque;
|
|
uint8_t v, r, g, b;
|
|
|
|
do {
|
|
v = ldub_p((void *) s);
|
|
r = (pal[v] >> 4) & 0xf0;
|
|
g = pal[v] & 0xf0;
|
|
b = (pal[v] << 4) & 0xf0;
|
|
((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b);
|
|
s ++;
|
|
d += BPP;
|
|
} while (-- width != 0);
|
|
}
|
|
|
|
/*
|
|
* 12-bit colour
|
|
*/
|
|
static void glue(draw_line12_, DEPTH)(void *opaque,
|
|
uint8_t *d, const uint8_t *s, int width, int deststep)
|
|
{
|
|
uint16_t v;
|
|
uint8_t r, g, b;
|
|
|
|
do {
|
|
v = lduw_le_p((void *) s);
|
|
r = (v >> 4) & 0xf0;
|
|
g = v & 0xf0;
|
|
b = (v << 4) & 0xf0;
|
|
((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b);
|
|
s += 2;
|
|
d += BPP;
|
|
} while (-- width != 0);
|
|
}
|
|
|
|
/*
|
|
* 16-bit colour
|
|
*/
|
|
static void glue(draw_line16_, DEPTH)(void *opaque,
|
|
uint8_t *d, const uint8_t *s, int width, int deststep)
|
|
{
|
|
#if defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
|
|
memcpy(d, s, width * 2);
|
|
#else
|
|
uint16_t v;
|
|
uint8_t r, g, b;
|
|
|
|
do {
|
|
v = lduw_le_p((void *) s);
|
|
r = (v >> 8) & 0xf8;
|
|
g = (v >> 3) & 0xfc;
|
|
b = (v << 3) & 0xf8;
|
|
((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b);
|
|
s += 2;
|
|
d += BPP;
|
|
} while (-- width != 0);
|
|
#endif
|
|
}
|
|
|
|
#undef DEPTH
|
|
#undef BPP
|
|
#undef PIXEL_TYPE
|