HelenOS sources
This source file includes following definitions.
- kfb_ddev_get_gc
- kfb_ddev_get_info
- kfb_gc_set_clip_rect
- kfb_gc_set_color
- kfb_gc_fill_rect
- kfb_gc_bitmap_create
- kfb_gc_bitmap_destroy
- kfb_gc_bitmap_render
- kfb_gc_bitmap_get_alloc
- kfb_client_conn
- port_init
#include <abi/fb/visuals.h>
#include <adt/list.h>
#include <align.h>
#include <as.h>
#include <ddev_srv.h>
#include <ddev/info.h>
#include <ddi.h>
#include <ddf/log.h>
#include <errno.h>
#include <gfx/bitmap.h>
#include <gfx/color.h>
#include <gfx/coord.h>
#include <io/pixelmap.h>
#include <ipcgfx/server.h>
#include <mem.h>
#include <pixconv.h>
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <sysinfo.h>
#include "kfb.h"
#include "port.h"
#define FB_POS(fb, x, y) ((y) * (fb)->scanline + (x) * (fb)->pixel_bytes)
typedef struct {
ddf_fun_t *fun;
sysarg_t paddr;
gfx_rect_t rect;
gfx_rect_t clip_rect;
size_t offset;
size_t scanline;
visual_t visual;
pixel2visual_t pixel2visual;
visual2pixel_t visual2pixel;
visual_mask_t visual_mask;
size_t pixel_bytes;
size_t size;
uint8_t *addr;
pixel_t color;
} kfb_t;
typedef struct {
kfb_t *kfb;
gfx_bitmap_alloc_t alloc;
gfx_rect_t rect;
gfx_bitmap_flags_t flags;
pixel_t key_color;
bool myalloc;
} kfb_bitmap_t;
static errno_t kfb_ddev_get_gc(void *, sysarg_t *, sysarg_t *);
static errno_t kfb_ddev_get_info(void *, ddev_info_t *);
static errno_t kfb_gc_set_clip_rect(void *, gfx_rect_t *);
static errno_t kfb_gc_set_color(void *, gfx_color_t *);
static errno_t kfb_gc_fill_rect(void *, gfx_rect_t *);
static errno_t kfb_gc_bitmap_create(void *, gfx_bitmap_params_t *,
gfx_bitmap_alloc_t *, void **);
static errno_t kfb_gc_bitmap_destroy(void *);
static errno_t kfb_gc_bitmap_render(void *, gfx_rect_t *, gfx_coord2_t *);
static errno_t kfb_gc_bitmap_get_alloc(void *, gfx_bitmap_alloc_t *);
static ddev_ops_t kfb_ddev_ops = {
.get_gc = kfb_ddev_get_gc,
.get_info = kfb_ddev_get_info
};
static gfx_context_ops_t kfb_gc_ops = {
.set_clip_rect = kfb_gc_set_clip_rect,
.set_color = kfb_gc_set_color,
.fill_rect = kfb_gc_fill_rect,
.bitmap_create = kfb_gc_bitmap_create,
.bitmap_destroy = kfb_gc_bitmap_destroy,
.bitmap_render = kfb_gc_bitmap_render,
.bitmap_get_alloc = kfb_gc_bitmap_get_alloc
};
static errno_t kfb_ddev_get_gc(void *arg, sysarg_t *arg2, sysarg_t *arg3)
{
kfb_t *kfb = (kfb_t *) arg;
*arg2 = ddf_fun_get_handle(kfb->fun);
*arg3 = 42;
return EOK;
}
static errno_t kfb_ddev_get_info(void *arg, ddev_info_t *info)
{
kfb_t *kfb = (kfb_t *) arg;
ddev_info_init(info);
info->rect = kfb->rect;
return EOK;
}
static errno_t kfb_gc_set_clip_rect(void *arg, gfx_rect_t *rect)
{
kfb_t *kfb = (kfb_t *) arg;
if (rect != NULL)
gfx_rect_clip(rect, &kfb->rect, &kfb->clip_rect);
else
kfb->clip_rect = kfb->rect;
return EOK;
}
static errno_t kfb_gc_set_color(void *arg, gfx_color_t *color)
{
kfb_t *kfb = (kfb_t *) arg;
uint16_t r, g, b;
gfx_color_get_rgb_i16(color, &r, &g, &b);
kfb->color = PIXEL(0, r >> 8, g >> 8, b >> 8);
return EOK;
}
static errno_t kfb_gc_fill_rect(void *arg, gfx_rect_t *rect)
{
kfb_t *kfb = (kfb_t *) arg;
gfx_rect_t crect;
gfx_coord_t x, y;
gfx_rect_clip(rect, &kfb->rect, &crect);
for (y = crect.p0.y; y < crect.p1.y; y++) {
for (x = crect.p0.x; x < crect.p1.x; x++) {
kfb->pixel2visual(kfb->addr + FB_POS(kfb, x, y),
kfb->color);
}
}
return EOK;
}
errno_t kfb_gc_bitmap_create(void *arg, gfx_bitmap_params_t *params,
gfx_bitmap_alloc_t *alloc, void **rbm)
{
kfb_t *kfb = (kfb_t *) arg;
kfb_bitmap_t *kfbbm = NULL;
gfx_coord2_t dim;
errno_t rc;
if ((params->flags & ~(bmpf_color_key | bmpf_colorize)) != 0)
return ENOTSUP;
kfbbm = calloc(1, sizeof(kfb_bitmap_t));
if (kfbbm == NULL)
return ENOMEM;
gfx_coord2_subtract(¶ms->rect.p1, ¶ms->rect.p0, &dim);
kfbbm->rect = params->rect;
kfbbm->flags = params->flags;
kfbbm->key_color = params->key_color;
if (alloc == NULL) {
kfbbm->alloc.pitch = dim.x * sizeof(uint32_t);
kfbbm->alloc.off0 = 0;
kfbbm->alloc.pixels = malloc(kfbbm->alloc.pitch * dim.y);
kfbbm->myalloc = true;
if (kfbbm->alloc.pixels == NULL) {
rc = ENOMEM;
goto error;
}
} else {
kfbbm->alloc = *alloc;
}
kfbbm->kfb = kfb;
*rbm = (void *)kfbbm;
return EOK;
error:
if (rbm != NULL)
free(kfbbm);
return rc;
}
static errno_t kfb_gc_bitmap_destroy(void *bm)
{
kfb_bitmap_t *kfbbm = (kfb_bitmap_t *)bm;
if (kfbbm->myalloc)
free(kfbbm->alloc.pixels);
free(kfbbm);
return EOK;
}
static errno_t kfb_gc_bitmap_render(void *bm, gfx_rect_t *srect0,
gfx_coord2_t *offs0)
{
kfb_bitmap_t *kfbbm = (kfb_bitmap_t *)bm;
kfb_t *kfb = kfbbm->kfb;
gfx_rect_t srect;
gfx_rect_t drect;
gfx_rect_t skfbrect;
gfx_rect_t crect;
gfx_coord2_t offs;
gfx_coord2_t bmdim;
gfx_coord2_t dim;
gfx_coord2_t sp;
gfx_coord2_t dp;
gfx_coord2_t pos;
pixelmap_t pbm;
pixel_t color;
if (srect0 != NULL)
gfx_rect_clip(srect0, &kfbbm->rect, &srect);
else
srect = kfbbm->rect;
if (offs0 != NULL) {
offs = *offs0;
} else {
offs.x = 0;
offs.y = 0;
}
gfx_rect_translate(&offs, &srect, &drect);
gfx_coord2_subtract(&drect.p1, &drect.p0, &dim);
gfx_coord2_subtract(&kfbbm->rect.p1, &kfbbm->rect.p0, &bmdim);
pbm.width = bmdim.x;
pbm.height = bmdim.y;
pbm.data = kfbbm->alloc.pixels;
gfx_rect_rtranslate(&offs, &kfb->rect, &skfbrect);
gfx_rect_clip(&srect, &skfbrect, &crect);
if ((kfbbm->flags & bmpf_color_key) != 0) {
for (pos.y = crect.p0.y; pos.y < crect.p1.y; pos.y++) {
for (pos.x = crect.p0.x; pos.x < crect.p1.x; pos.x++) {
gfx_coord2_subtract(&pos, &kfbbm->rect.p0, &sp);
gfx_coord2_add(&pos, &offs, &dp);
color = pixelmap_get_pixel(&pbm, sp.x, sp.y);
if (color != kfbbm->key_color) {
kfb->pixel2visual(kfb->addr +
FB_POS(kfb, dp.x, dp.y), color);
}
}
}
} else if ((kfbbm->flags & bmpf_colorize) != 0) {
for (pos.y = crect.p0.y; pos.y < crect.p1.y; pos.y++) {
for (pos.x = crect.p0.x; pos.x < crect.p1.x; pos.x++) {
gfx_coord2_subtract(&pos, &kfbbm->rect.p0, &sp);
gfx_coord2_add(&pos, &offs, &dp);
color = pixelmap_get_pixel(&pbm, sp.x, sp.y);
kfb->pixel2visual(kfb->addr +
FB_POS(kfb, dp.x, dp.y), color);
}
}
} else {
for (pos.y = crect.p0.y; pos.y < crect.p1.y; pos.y++) {
for (pos.x = crect.p0.x; pos.x < crect.p1.x; pos.x++) {
gfx_coord2_subtract(&pos, &kfbbm->rect.p0, &sp);
gfx_coord2_add(&pos, &offs, &dp);
color = pixelmap_get_pixel(&pbm, sp.x, sp.y);
kfb->pixel2visual(kfb->addr +
FB_POS(kfb, dp.x, dp.y), color);
}
}
}
return EOK;
}
static errno_t kfb_gc_bitmap_get_alloc(void *bm, gfx_bitmap_alloc_t *alloc)
{
kfb_bitmap_t *kfbbm = (kfb_bitmap_t *)bm;
*alloc = kfbbm->alloc;
return EOK;
}
static void kfb_client_conn(ipc_call_t *icall, void *arg)
{
kfb_t *kfb;
ddev_srv_t srv;
sysarg_t gc_id;
gfx_context_t *gc;
errno_t rc;
kfb = (kfb_t *) ddf_fun_data_get((ddf_fun_t *) arg);
gc_id = ipc_get_arg3(icall);
if (gc_id == 0) {
ddev_srv_initialize(&srv);
srv.ops = &kfb_ddev_ops;
srv.arg = kfb;
ddev_conn(icall, &srv);
} else {
assert(gc_id == 42);
if (kfb->addr != AS_AREA_ANY) {
async_answer_0(icall, EBUSY);
return;
}
rc = physmem_map(kfb->paddr + kfb->offset,
ALIGN_UP(kfb->size, PAGE_SIZE) >> PAGE_WIDTH,
AS_AREA_READ | AS_AREA_WRITE, (void *) &kfb->addr);
if (rc != EOK)
goto error;
rc = gfx_context_new(&kfb_gc_ops, kfb, &gc);
if (rc != EOK)
goto error;
gc_conn(icall, gc);
rc = physmem_unmap(kfb->addr);
if (rc == EOK)
kfb->addr = AS_AREA_ANY;
}
return;
error:
if (kfb->addr != AS_AREA_ANY) {
if (physmem_unmap(kfb->addr) == EOK)
kfb->addr = AS_AREA_ANY;
}
async_answer_0(icall, rc);
}
errno_t port_init(ddf_dev_t *dev)
{
ddf_fun_t *fun = NULL;
kfb_t *kfb = NULL;
errno_t rc;
fun = ddf_fun_create(dev, fun_exposed, "kfb");
if (fun == NULL) {
rc = ENOMEM;
goto error;
}
ddf_fun_set_conn_handler(fun, &kfb_client_conn);
kfb = ddf_fun_data_alloc(fun, sizeof(kfb_t));
if (kfb == NULL) {
rc = ENOMEM;
goto error;
}
sysarg_t present;
rc = sysinfo_get_value("fb", &present);
if (rc != EOK)
present = false;
if (!present) {
rc = ENOENT;
goto error;
}
sysarg_t kind;
rc = sysinfo_get_value("fb.kind", &kind);
if (rc != EOK)
kind = (sysarg_t) -1;
if (kind != 1) {
rc = EINVAL;
goto error;
}
sysarg_t paddr;
rc = sysinfo_get_value("fb.address.physical", &paddr);
if (rc != EOK)
goto error;
sysarg_t offset;
rc = sysinfo_get_value("fb.offset", &offset);
if (rc != EOK)
offset = 0;
sysarg_t width;
rc = sysinfo_get_value("fb.width", &width);
if (rc != EOK)
goto error;
sysarg_t height;
rc = sysinfo_get_value("fb.height", &height);
if (rc != EOK)
goto error;
sysarg_t scanline;
rc = sysinfo_get_value("fb.scanline", &scanline);
if (rc != EOK)
goto error;
sysarg_t visual;
rc = sysinfo_get_value("fb.visual", &visual);
if (rc != EOK)
goto error;
kfb->fun = fun;
kfb->rect.p0.x = 0;
kfb->rect.p0.y = 0;
kfb->rect.p1.x = width;
kfb->rect.p1.y = height;
kfb->clip_rect = kfb->rect;
kfb->paddr = paddr;
kfb->offset = offset;
kfb->scanline = scanline;
kfb->visual = visual;
switch (visual) {
case VISUAL_INDIRECT_8:
kfb->pixel2visual = pixel2bgr_323;
kfb->visual2pixel = bgr_323_2pixel;
kfb->visual_mask = visual_mask_323;
kfb->pixel_bytes = 1;
break;
case VISUAL_RGB_5_5_5_LE:
kfb->pixel2visual = pixel2rgb_555_le;
kfb->visual2pixel = rgb_555_le_2pixel;
kfb->visual_mask = visual_mask_555;
kfb->pixel_bytes = 2;
break;
case VISUAL_RGB_5_5_5_BE:
kfb->pixel2visual = pixel2rgb_555_be;
kfb->visual2pixel = rgb_555_be_2pixel;
kfb->visual_mask = visual_mask_555;
kfb->pixel_bytes = 2;
break;
case VISUAL_RGB_5_6_5_LE:
kfb->pixel2visual = pixel2rgb_565_le;
kfb->visual2pixel = rgb_565_le_2pixel;
kfb->visual_mask = visual_mask_565;
kfb->pixel_bytes = 2;
break;
case VISUAL_RGB_5_6_5_BE:
kfb->pixel2visual = pixel2rgb_565_be;
kfb->visual2pixel = rgb_565_be_2pixel;
kfb->visual_mask = visual_mask_565;
kfb->pixel_bytes = 2;
break;
case VISUAL_RGB_8_8_8:
kfb->pixel2visual = pixel2rgb_888;
kfb->visual2pixel = rgb_888_2pixel;
kfb->visual_mask = visual_mask_888;
kfb->pixel_bytes = 3;
break;
case VISUAL_BGR_8_8_8:
kfb->pixel2visual = pixel2bgr_888;
kfb->visual2pixel = bgr_888_2pixel;
kfb->visual_mask = visual_mask_888;
kfb->pixel_bytes = 3;
break;
case VISUAL_RGB_8_8_8_0:
kfb->pixel2visual = pixel2rgb_8880;
kfb->visual2pixel = rgb_8880_2pixel;
kfb->visual_mask = visual_mask_8880;
kfb->pixel_bytes = 4;
break;
case VISUAL_RGB_0_8_8_8:
kfb->pixel2visual = pixel2rgb_0888;
kfb->visual2pixel = rgb_0888_2pixel;
kfb->visual_mask = visual_mask_0888;
kfb->pixel_bytes = 4;
break;
case VISUAL_BGR_0_8_8_8:
kfb->pixel2visual = pixel2bgr_0888;
kfb->visual2pixel = bgr_0888_2pixel;
kfb->visual_mask = visual_mask_0888;
kfb->pixel_bytes = 4;
break;
case VISUAL_BGR_8_8_8_0:
kfb->pixel2visual = pixel2bgr_8880;
kfb->visual2pixel = bgr_8880_2pixel;
kfb->visual_mask = visual_mask_8880;
kfb->pixel_bytes = 4;
break;
default:
return EINVAL;
}
kfb->size = scanline * height;
kfb->addr = AS_AREA_ANY;
rc = ddf_fun_bind(fun);
if (rc != EOK)
goto error;
rc = ddf_fun_add_to_category(fun, "display-device");
if (rc != EOK) {
ddf_fun_unbind(fun);
goto error;
}
return EOK;
error:
if (fun != NULL)
ddf_fun_destroy(fun);
return rc;
}
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