302 lines
6.5 KiB
C
302 lines
6.5 KiB
C
/*
|
|
* Arm PrimeCell PL110 Color LCD Controller
|
|
*
|
|
* Copyright (c) 2005 CodeSourcery, LLC.
|
|
* Written by Paul Brook
|
|
*
|
|
* This code is licensed under the GNU LGPL
|
|
*
|
|
* Framebuffer format conversion routines.
|
|
*/
|
|
|
|
#ifndef ORDER
|
|
#error "pl110_template.h is only for inclusion by pl110.c"
|
|
#endif
|
|
|
|
#if ORDER == 0
|
|
#define NAME glue(lblp_, BORDER)
|
|
#ifdef HOST_WORDS_BIGENDIAN
|
|
#define SWAP_WORDS 1
|
|
#endif
|
|
#elif ORDER == 1
|
|
#define NAME glue(bbbp_, BORDER)
|
|
#ifndef HOST_WORDS_BIGENDIAN
|
|
#define SWAP_WORDS 1
|
|
#endif
|
|
#else
|
|
#define SWAP_PIXELS 1
|
|
#define NAME glue(lbbp_, BORDER)
|
|
#ifdef HOST_WORDS_BIGENDIAN
|
|
#define SWAP_WORDS 1
|
|
#endif
|
|
#endif
|
|
|
|
#define FN_2(x, y) FN(x, y) FN(x+1, y)
|
|
#define FN_4(x, y) FN_2(x, y) FN_2(x+2, y)
|
|
#define FN_8(y) FN_4(0, y) FN_4(4, y)
|
|
|
|
static void glue(pl110_draw_line1_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
|
|
{
|
|
uint32_t *palette = opaque;
|
|
uint32_t data;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#ifdef SWAP_PIXELS
|
|
#define FN(x, y) COPY_PIXEL(d, palette[(data >> (y + 7 - (x))) & 1]);
|
|
#else
|
|
#define FN(x, y) COPY_PIXEL(d, palette[(data >> ((x) + y)) & 1]);
|
|
#endif
|
|
#ifdef SWAP_WORDS
|
|
FN_8(24)
|
|
FN_8(16)
|
|
FN_8(8)
|
|
FN_8(0)
|
|
#else
|
|
FN_8(0)
|
|
FN_8(8)
|
|
FN_8(16)
|
|
FN_8(24)
|
|
#endif
|
|
#undef FN
|
|
width -= 32;
|
|
src += 4;
|
|
}
|
|
}
|
|
|
|
static void glue(pl110_draw_line2_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
|
|
{
|
|
uint32_t *palette = opaque;
|
|
uint32_t data;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#ifdef SWAP_PIXELS
|
|
#define FN(x, y) COPY_PIXEL(d, palette[(data >> (y + 6 - (x)*2)) & 3]);
|
|
#else
|
|
#define FN(x, y) COPY_PIXEL(d, palette[(data >> ((x)*2 + y)) & 3]);
|
|
#endif
|
|
#ifdef SWAP_WORDS
|
|
FN_4(0, 24)
|
|
FN_4(0, 16)
|
|
FN_4(0, 8)
|
|
FN_4(0, 0)
|
|
#else
|
|
FN_4(0, 0)
|
|
FN_4(0, 8)
|
|
FN_4(0, 16)
|
|
FN_4(0, 24)
|
|
#endif
|
|
#undef FN
|
|
width -= 16;
|
|
src += 4;
|
|
}
|
|
}
|
|
|
|
static void glue(pl110_draw_line4_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
|
|
{
|
|
uint32_t *palette = opaque;
|
|
uint32_t data;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#ifdef SWAP_PIXELS
|
|
#define FN(x, y) COPY_PIXEL(d, palette[(data >> (y + 4 - (x)*4)) & 0xf]);
|
|
#else
|
|
#define FN(x, y) COPY_PIXEL(d, palette[(data >> ((x)*4 + y)) & 0xf]);
|
|
#endif
|
|
#ifdef SWAP_WORDS
|
|
FN_2(0, 24)
|
|
FN_2(0, 16)
|
|
FN_2(0, 8)
|
|
FN_2(0, 0)
|
|
#else
|
|
FN_2(0, 0)
|
|
FN_2(0, 8)
|
|
FN_2(0, 16)
|
|
FN_2(0, 24)
|
|
#endif
|
|
#undef FN
|
|
width -= 8;
|
|
src += 4;
|
|
}
|
|
}
|
|
|
|
static void glue(pl110_draw_line8_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
|
|
{
|
|
uint32_t *palette = opaque;
|
|
uint32_t data;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#define FN(x) COPY_PIXEL(d, palette[(data >> (x)) & 0xff]);
|
|
#ifdef SWAP_WORDS
|
|
FN(24)
|
|
FN(16)
|
|
FN(8)
|
|
FN(0)
|
|
#else
|
|
FN(0)
|
|
FN(8)
|
|
FN(16)
|
|
FN(24)
|
|
#endif
|
|
#undef FN
|
|
width -= 4;
|
|
src += 4;
|
|
}
|
|
}
|
|
|
|
static void glue(pl110_draw_line16_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
|
|
{
|
|
uint32_t data;
|
|
unsigned int r, g, b;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#ifdef SWAP_WORDS
|
|
data = bswap32(data);
|
|
#endif
|
|
#ifdef RGB
|
|
#define LSB r
|
|
#define MSB b
|
|
#else
|
|
#define LSB b
|
|
#define MSB r
|
|
#endif
|
|
#if 0
|
|
LSB = data & 0x1f;
|
|
data >>= 5;
|
|
g = data & 0x3f;
|
|
data >>= 6;
|
|
MSB = data & 0x1f;
|
|
data >>= 5;
|
|
#else
|
|
LSB = (data & 0x1f) << 3;
|
|
data >>= 5;
|
|
g = (data & 0x3f) << 2;
|
|
data >>= 6;
|
|
MSB = (data & 0x1f) << 3;
|
|
data >>= 5;
|
|
#endif
|
|
COPY_PIXEL(d, rgb_to_pixel32(r, g, b));
|
|
LSB = (data & 0x1f) << 3;
|
|
data >>= 5;
|
|
g = (data & 0x3f) << 2;
|
|
data >>= 6;
|
|
MSB = (data & 0x1f) << 3;
|
|
data >>= 5;
|
|
COPY_PIXEL(d, rgb_to_pixel32(r, g, b));
|
|
#undef MSB
|
|
#undef LSB
|
|
width -= 2;
|
|
src += 4;
|
|
}
|
|
}
|
|
|
|
static void glue(pl110_draw_line32_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
|
|
{
|
|
uint32_t data;
|
|
unsigned int r, g, b;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#ifdef RGB
|
|
#define LSB r
|
|
#define MSB b
|
|
#else
|
|
#define LSB b
|
|
#define MSB r
|
|
#endif
|
|
#ifndef SWAP_WORDS
|
|
LSB = data & 0xff;
|
|
g = (data >> 8) & 0xff;
|
|
MSB = (data >> 16) & 0xff;
|
|
#else
|
|
LSB = (data >> 24) & 0xff;
|
|
g = (data >> 16) & 0xff;
|
|
MSB = (data >> 8) & 0xff;
|
|
#endif
|
|
COPY_PIXEL(d, rgb_to_pixel32(r, g, b));
|
|
#undef MSB
|
|
#undef LSB
|
|
width--;
|
|
src += 4;
|
|
}
|
|
}
|
|
|
|
static void glue(pl110_draw_line16_555_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
|
|
{
|
|
/* RGB 555 plus an intensity bit (which we ignore) */
|
|
uint32_t data;
|
|
unsigned int r, g, b;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#ifdef SWAP_WORDS
|
|
data = bswap32(data);
|
|
#endif
|
|
#ifdef RGB
|
|
#define LSB r
|
|
#define MSB b
|
|
#else
|
|
#define LSB b
|
|
#define MSB r
|
|
#endif
|
|
LSB = (data & 0x1f) << 3;
|
|
data >>= 5;
|
|
g = (data & 0x1f) << 3;
|
|
data >>= 5;
|
|
MSB = (data & 0x1f) << 3;
|
|
data >>= 5;
|
|
COPY_PIXEL(d, rgb_to_pixel32(r, g, b));
|
|
LSB = (data & 0x1f) << 3;
|
|
data >>= 5;
|
|
g = (data & 0x1f) << 3;
|
|
data >>= 5;
|
|
MSB = (data & 0x1f) << 3;
|
|
data >>= 6;
|
|
COPY_PIXEL(d, rgb_to_pixel32(r, g, b));
|
|
#undef MSB
|
|
#undef LSB
|
|
width -= 2;
|
|
src += 4;
|
|
}
|
|
}
|
|
|
|
static void glue(pl110_draw_line12_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
|
|
{
|
|
/* RGB 444 with 4 bits of zeroes at the top of each halfword */
|
|
uint32_t data;
|
|
unsigned int r, g, b;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#ifdef SWAP_WORDS
|
|
data = bswap32(data);
|
|
#endif
|
|
#ifdef RGB
|
|
#define LSB r
|
|
#define MSB b
|
|
#else
|
|
#define LSB b
|
|
#define MSB r
|
|
#endif
|
|
LSB = (data & 0xf) << 4;
|
|
data >>= 4;
|
|
g = (data & 0xf) << 4;
|
|
data >>= 4;
|
|
MSB = (data & 0xf) << 4;
|
|
data >>= 8;
|
|
COPY_PIXEL(d, rgb_to_pixel32(r, g, b));
|
|
LSB = (data & 0xf) << 4;
|
|
data >>= 4;
|
|
g = (data & 0xf) << 4;
|
|
data >>= 4;
|
|
MSB = (data & 0xf) << 4;
|
|
data >>= 8;
|
|
COPY_PIXEL(d, rgb_to_pixel32(r, g, b));
|
|
#undef MSB
|
|
#undef LSB
|
|
width -= 2;
|
|
src += 4;
|
|
}
|
|
}
|
|
|
|
#undef SWAP_PIXELS
|
|
#undef NAME
|
|
#undef SWAP_WORDS
|
|
#undef ORDER
|