git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
253 lines
5.5 KiB
C
253 lines
5.5 KiB
C
/*
|
|
* Arm PrimeCell PL110 Color LCD Controller
|
|
*
|
|
* Copyright (c) 2005 CodeSourcery, LLC.
|
|
* Written by Paul Brook
|
|
*
|
|
* This code is licenced under the GNU LGPL
|
|
*
|
|
* Framebuffer format conversion routines.
|
|
*/
|
|
|
|
#ifndef ORDER
|
|
|
|
#if BITS == 8
|
|
#define COPY_PIXEL(to, from) *(to++) = from
|
|
#elif BITS == 15 || BITS == 16
|
|
#define COPY_PIXEL(to, from) *(uint16_t *)to = from; to += 2;
|
|
#elif BITS == 24
|
|
#define COPY_PIXEL(to, from) \
|
|
*(to++) = from; *(to++) = (from) >> 8; *(to++) = (from) >> 16
|
|
#elif BITS == 32
|
|
#define COPY_PIXEL(to, from) *(uint32_t *)to = from; to += 4;
|
|
#else
|
|
#error unknown bit depth
|
|
#endif
|
|
|
|
#define ORDER 0
|
|
#include "pl110_template.h"
|
|
#define ORDER 1
|
|
#include "pl110_template.h"
|
|
#define ORDER 2
|
|
#include "pl110_template.h"
|
|
|
|
static drawfn glue(pl110_draw_fn_,BITS)[18] =
|
|
{
|
|
glue(pl110_draw_line1_lblp,BITS),
|
|
glue(pl110_draw_line2_lblp,BITS),
|
|
glue(pl110_draw_line4_lblp,BITS),
|
|
glue(pl110_draw_line8_lblp,BITS),
|
|
glue(pl110_draw_line16_lblp,BITS),
|
|
glue(pl110_draw_line32_lblp,BITS),
|
|
|
|
glue(pl110_draw_line1_bbbp,BITS),
|
|
glue(pl110_draw_line2_bbbp,BITS),
|
|
glue(pl110_draw_line4_bbbp,BITS),
|
|
glue(pl110_draw_line8_bbbp,BITS),
|
|
glue(pl110_draw_line16_bbbp,BITS),
|
|
glue(pl110_draw_line32_bbbp,BITS),
|
|
|
|
glue(pl110_draw_line1_lbbp,BITS),
|
|
glue(pl110_draw_line2_lbbp,BITS),
|
|
glue(pl110_draw_line4_lbbp,BITS),
|
|
glue(pl110_draw_line8_lbbp,BITS),
|
|
glue(pl110_draw_line16_lbbp,BITS),
|
|
glue(pl110_draw_line32_lbbp,BITS)
|
|
};
|
|
|
|
#undef BITS
|
|
#undef COPY_PIXEL
|
|
|
|
#else
|
|
|
|
#if ORDER == 0
|
|
#define NAME glue(lblp, BITS)
|
|
#ifdef WORDS_BIGENDIAN
|
|
#define SWAP_WORDS 1
|
|
#endif
|
|
#elif ORDER == 1
|
|
#define NAME glue(bbbp, BITS)
|
|
#ifndef WORDS_BIGENDIAN
|
|
#define SWAP_WORDS 1
|
|
#endif
|
|
#else
|
|
#define SWAP_PIXELS 1
|
|
#define NAME glue(lbbp, BITS)
|
|
#ifdef 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)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
|
|
{
|
|
uint32_t data;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#ifdef SWAP_PIXELS
|
|
#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 7 - (x))) & 1]);
|
|
#else
|
|
#define FN(x, y) COPY_PIXEL(d, pallette[(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)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
|
|
{
|
|
uint32_t data;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#ifdef SWAP_PIXELS
|
|
#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 6 - (x)*2)) & 3]);
|
|
#else
|
|
#define FN(x, y) COPY_PIXEL(d, pallette[(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)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
|
|
{
|
|
uint32_t data;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#ifdef SWAP_PIXELS
|
|
#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 4 - (x)*4)) & 0xf]);
|
|
#else
|
|
#define FN(x, y) COPY_PIXEL(d, pallette[(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)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
|
|
{
|
|
uint32_t data;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#define FN(x) COPY_PIXEL(d, pallette[(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)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
|
|
{
|
|
uint32_t data;
|
|
unsigned int r, g, b;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#ifdef SWAP_WORDS
|
|
data = bswap32(data);
|
|
#endif
|
|
#if 0
|
|
r = data & 0x1f;
|
|
data >>= 5;
|
|
g = data & 0x3f;
|
|
data >>= 6;
|
|
b = data & 0x1f;
|
|
data >>= 5;
|
|
#else
|
|
r = (data & 0x1f) << 3;
|
|
data >>= 5;
|
|
g = (data & 0x3f) << 2;
|
|
data >>= 6;
|
|
b = (data & 0x1f) << 3;
|
|
data >>= 5;
|
|
#endif
|
|
COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
|
|
r = (data & 0x1f) << 3;
|
|
data >>= 5;
|
|
g = (data & 0x3f) << 2;
|
|
data >>= 6;
|
|
b = (data & 0x1f) << 3;
|
|
data >>= 5;
|
|
COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
|
|
width -= 2;
|
|
src += 4;
|
|
}
|
|
}
|
|
|
|
static void glue(pl110_draw_line32_,NAME)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
|
|
{
|
|
uint32_t data;
|
|
unsigned int r, g, b;
|
|
while (width > 0) {
|
|
data = *(uint32_t *)src;
|
|
#ifdef SWAP_WORDS
|
|
r = data & 0xff;
|
|
g = (data >> 8) & 0xff;
|
|
b = (data >> 16) & 0xff;
|
|
#else
|
|
r = (data >> 24) & 0xff;
|
|
g = (data >> 16) & 0xff;
|
|
b = (data >> 8) & 0xff;
|
|
#endif
|
|
COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
|
|
width--;
|
|
src += 4;
|
|
}
|
|
}
|
|
|
|
#undef SWAP_PIXELS
|
|
#undef NAME
|
|
#undef SWAP_WORDS
|
|
#undef ORDER
|
|
|
|
#endif
|