mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-27 21:40:49 +00:00
ba1c16e425
BITS is always 32, so remove all uses of it from the template header, by dropping the trailing '32' from the draw function names and not constructing the name of rgb_to_pixel32() via the glue() macro. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20210211141515.8755-4-peter.maydell@linaro.org
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
|