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/*
* 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.
*/
/*
* 2-bit colour
*/
static void draw_line2_32(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;
((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b);
d += 4;
v >>= 2;
r = (pal[v & 3] >> 4) & 0xf0;
g = pal[v & 3] & 0xf0;
b = (pal[v & 3] << 4) & 0xf0;
((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b);
d += 4;
v >>= 2;
r = (pal[v & 3] >> 4) & 0xf0;
g = pal[v & 3] & 0xf0;
b = (pal[v & 3] << 4) & 0xf0;
((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b);
d += 4;
v >>= 2;
r = (pal[v & 3] >> 4) & 0xf0;
g = pal[v & 3] & 0xf0;
b = (pal[v & 3] << 4) & 0xf0;
((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b);
d += 4;
s ++;
width -= 4;
} while (width > 0);
}
/*
* 4-bit colour
*/
static void draw_line4_32(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;
((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b);
d += 4;
v >>= 4;
r = (pal[v & 0xf] >> 4) & 0xf0;
g = pal[v & 0xf] & 0xf0;
b = (pal[v & 0xf] << 4) & 0xf0;
((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b);
d += 4;
s ++;
width -= 2;
} while (width > 0);
}
/*
* 8-bit colour
*/
static void draw_line8_32(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;
((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b);
s ++;
d += 4;
} while (-- width != 0);
}
/*
* 12-bit colour
*/
static void draw_line12_32(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;
((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b);
s += 2;
d += 4;
} while (-- width != 0);
}
/*
* 16-bit colour
*/
static void draw_line16_32(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 >> 8) & 0xf8;
g = (v >> 3) & 0xfc;
b = (v << 3) & 0xf8;
((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b);
s += 2;
d += 4;
} while (-- width != 0);
}
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