efl/src/modules/evas/engines/drm/evas_outbuf.c

470 lines
11 KiB
C

#include "evas_engine.h"
#ifdef EVAS_CSERVE2
# include "evas_cs2_private.h"
#endif
/* FIXME: We NEED to get the color map from the VT and use that for the mask */
#define RED_MASK 0xff0000
#define GREEN_MASK 0x00ff00
#define BLUE_MASK 0x0000ff
static Eina_Bool
_evas_outbuf_buffer_new(Outbuf *ob, Buffer *buff)
{
buff->w = ob->w;
buff->h = ob->h;
/* create a dumb framebuffer */
if (!evas_drm_framebuffer_create(ob->priv.fd, buff, ob->depth))
return EINA_FALSE;
return EINA_TRUE;
}
static void
_evas_outbuf_buffer_put(Outbuf *ob, Buffer *buffer, Eina_Rectangle *rects, unsigned int count)
{
/* validate input params */
if ((!ob) || (!buffer)) return;
#ifdef DRM_MODE_FEATURE_DIRTYFB
drmModeClip *clip;
unsigned int i = 0;
int ret;
clip = alloca(count * sizeof(drmModeClip));
for (i = 0; i < count; i++)
{
clip[i].x1 = rects[i].x;
clip[i].y1 = rects[i].y;
clip[i].x2 = rects[i].w;
clip[i].y2 = rects[i].h;
}
/* DBG("Marking FB Dirty: %d", buffer->fb); */
ret = drmModeDirtyFB(ob->priv.fd, buffer->fb, clip, count);
if (ret)
{
if (ret == -EINVAL)
ERR("Could not set FB Dirty: %m");
}
#endif
}
static void
_evas_outbuf_buffer_swap(Outbuf *ob, Eina_Rectangle *rects, unsigned int count)
{
Buffer *buff;
buff = &(ob->priv.buffer[ob->priv.curr]);
/* if this buffer is not valid, we need to set it */
if (!buff->valid) evas_drm_outbuf_framebuffer_set(ob, buff);
/* mark the fb as dirty */
_evas_outbuf_buffer_put(ob, buff, rects, count);
/* send this buffer to the crtc */
evas_drm_framebuffer_send(ob, buff);
}
Outbuf *
evas_outbuf_setup(Evas_Engine_Info_Drm *info, int w, int h)
{
Outbuf *ob;
char *num;
int i = 0;
/* try to allocate space for outbuf */
if (!(ob = calloc(1, sizeof(Outbuf)))) return NULL;
/* set properties of outbuf */
ob->w = w;
ob->h = h;
ob->depth = info->info.depth;
ob->rotation = info->info.rotation;
ob->destination_alpha = info->info.destination_alpha;
ob->vsync = info->info.vsync;
/* set drm card fd */
ob->priv.fd = info->info.fd;
/* try to setup the drm card for this outbuf */
if (!evas_drm_outbuf_setup(ob))
{
ERR("Could not setup output");
free(ob);
return NULL;
}
ob->priv.num = NUM_BUFFERS;
/* check for buffer override */
if ((num = getenv("EVAS_DRM_BUFFERS")))
{
ob->priv.num = atoi(num);
/* cap maximum # of buffers */
if (ob->priv.num <= 0) ob->priv.num = 1;
else if (ob->priv.num > 3) ob->priv.num = 3;
}
/* check for vsync override */
if ((num = getenv("EVAS_DRM_VSYNC")))
ob->vsync = atoi(num);
/* try to create buffers */
for (; i < ob->priv.num; i++)
{
if (!_evas_outbuf_buffer_new(ob, &(ob->priv.buffer[i])))
break;
}
/* set the front buffer to be the one on the crtc */
evas_drm_outbuf_framebuffer_set(ob, &(ob->priv.buffer[0]));
/* set back buffer as first one to draw into */
/* ob->priv.curr = (ob->priv.num - 1); */
return ob;
}
void
evas_outbuf_free(Outbuf *ob)
{
int i = 0;
/* destroy the old buffers */
for (; i < ob->priv.num; i++)
evas_drm_framebuffer_destroy(ob->priv.fd, &(ob->priv.buffer[i]));
/* free allocate space for outbuf */
free(ob);
}
void
evas_outbuf_reconfigure(Evas_Engine_Info_Drm *info, Outbuf *ob, int w, int h)
{
int i = 0;
/* check for changes */
if ((ob->w == w) && (ob->h == h) &&
(ob->destination_alpha == info->info.destination_alpha) &&
(ob->rotation == info->info.rotation) &&
(ob->depth == info->info.depth))
return;
/* set new outbuf properties */
ob->rotation =info->info. rotation;
ob->depth = info->info.depth;
ob->destination_alpha = info->info.destination_alpha;
/* handle rotation */
if ((ob->rotation == 0) || (ob->rotation == 180))
{
ob->w = w;
ob->h = h;
}
else
{
ob->w = h;
ob->h = w;
}
/* destroy the old buffers */
for (; i < ob->priv.num; i++)
evas_drm_framebuffer_destroy(ob->priv.fd, &(ob->priv.buffer[i]));
for (i = 0; i < ob->priv.num; i++)
{
if (!_evas_outbuf_buffer_new(ob, &(ob->priv.buffer[i])))
{
CRI("Failed to create buffer");
break;
}
}
}
int
evas_outbuf_buffer_state_get(Outbuf *ob)
{
int i = 0, n = 0, count = 0;
/* check for valid output buffer */
if (!ob) return MODE_FULL;
for (; i < ob->priv.num; i++)
{
n = (ob->priv.num + ob->priv.curr - i) % ob->priv.num;
if (ob->priv.buffer[n].valid) count++;
else break;
}
if (count == ob->priv.num)
{
if (count == 1) return MODE_COPY;
else if (count == 2) return MODE_DOUBLE;
else if (count == 3) return MODE_TRIPLE;
}
return MODE_FULL;
}
RGBA_Image *
evas_outbuf_update_region_new(Outbuf *ob, int x, int y, int w, int h, int *cx, int *cy, int *cw, int *ch)
{
RGBA_Image *img = NULL;
if ((w <= 0) || (h <= 0)) return NULL;
/* DBG("Outbuf Region New: %d %d %d %d", x, y, w, h); */
RECTS_CLIP_TO_RECT(x, y, w, h, 0, 0, ob->w, ob->h);
if ((ob->rotation == 0) && (ob->depth == 32))
{
Eina_Rectangle *rect;
if (!(rect = eina_rectangle_new(x, y, w, h)))
return NULL;
#ifdef EVAS_CSERVE2
if (evas_cserve2_use_get())
img = (RGBA_Image *)evas_cache2_image_empty(evas_common_image_cache2_get());
else
#endif
img = (RGBA_Image *)evas_cache_image_empty(evas_common_image_cache_get());
if (!img)
{
eina_rectangle_free(rect);
return NULL;
}
img->cache_entry.flags.alpha |= ob->destination_alpha ? 1 : 0;
#ifdef EVAS_CSERVE2
if (evas_cserve2_use_get())
evas_cache2_image_surface_alloc(&img->cache_entry, w, h);
else
#endif
evas_cache_image_surface_alloc(&img->cache_entry, w, h);
img->extended_info = rect;
if (cx) *cx = 0;
if (cy) *cy = 0;
if (cw) *cw = w;
if (ch) *ch = h;
/* add this cached image data to pending writes */
ob->priv.pending_writes =
eina_list_append(ob->priv.pending_writes, img);
}
return img;
}
void
evas_outbuf_update_region_push(Outbuf *ob, RGBA_Image *update, int x, int y, int w, int h)
{
Gfx_Func_Convert func = NULL;
Eina_Rectangle rect = {0, 0, 0, 0}, pr;
DATA32 *src;
DATA8 *dst;
Buffer *buff;
int bpp = 0, bpl = 0;
int rx = 0, ry = 0;
/* check for valid output buffer */
if (!ob) return;
/* check for pending writes */
if (!ob->priv.pending_writes) return;
/* check for valid source data */
if (!(src = update->image.data)) return;
/* check for valid desination data */
buff = &(ob->priv.buffer[ob->priv.curr]);
if (!(dst = buff->data)) return;
if ((ob->rotation == 0) || (ob->rotation == 180))
{
func =
evas_common_convert_func_get(0, w, h, ob->depth,
RED_MASK, GREEN_MASK, BLUE_MASK,
PAL_MODE_NONE, ob->rotation);
}
else if ((ob->rotation == 90) || (ob->rotation == 270))
{
func =
evas_common_convert_func_get(0, h, w, ob->depth,
RED_MASK, GREEN_MASK, BLUE_MASK,
PAL_MODE_NONE, ob->rotation);
}
/* make sure we have a valid convert function */
if (!func) return;
/* based on rotation, set rectangle position */
if (ob->rotation == 0)
{
rect.x = x;
rect.y = y;
}
else if (ob->rotation == 90)
{
rect.x = y;
rect.y = (ob->w - x - w);
}
else if (ob->rotation == 180)
{
rect.x = (ob->w - x - w);
rect.y = (ob->h - y - h);
}
else if (ob->rotation == 270)
{
rect.x = (ob->h - y - h);
rect.y = x;
}
/* based on rotation, set rectangle size */
if ((ob->rotation == 0) || (ob->rotation == 180))
{
rect.w = w;
rect.h = h;
}
else if ((ob->rotation == 90) || (ob->rotation == 270))
{
rect.w = h;
rect.h = w;
}
bpp = (ob->depth / 8);
if (bpp <= 0) return;
bpl = buff->stride;
if (ob->rotation == 0)
{
RECTS_CLIP_TO_RECT(rect.x, rect.y, rect.w, rect.h,
0, 0, buff->w, buff->h);
dst += (bpl * rect.y) + (rect.x * bpp);
w -= rx;
}
else if (ob->rotation == 180)
{
pr = rect;
RECTS_CLIP_TO_RECT(rect.x, rect.y, rect.w, rect.h,
0, 0, buff->w, buff->h);
rx = pr.w - rect.w;
ry = pr.h - rect.h;
src += (update->cache_entry.w * ry) + rx;
w -= rx;
}
else if (ob->rotation == 90)
{
pr = rect;
RECTS_CLIP_TO_RECT(rect.x, rect.y, rect.w, rect.h,
0, 0, buff->w, buff->h);
rx = pr.w - rect.w; ry = pr.h - rect.h;
src += ry;
w -= ry;
}
else if (ob->rotation == 270)
{
pr = rect;
RECTS_CLIP_TO_RECT(rect.x, rect.y, rect.w, rect.h,
0, 0, buff->w, buff->h);
rx = pr.w - rect.w; ry = pr.h - rect.h;
src += (update->cache_entry.w * rx);
w -= ry;
}
if ((rect.w <= 0) || (rect.h <= 0)) return;
func(src, dst, (update->cache_entry.w - w), ((bpl / bpp) - rect.w),
rect.w, rect.h, x + rx, y + ry, NULL);
}
void
evas_outbuf_update_region_free(Outbuf *ob EINA_UNUSED, RGBA_Image *update)
{
evas_cache_image_drop(&update->cache_entry);
}
void
evas_outbuf_flush(Outbuf *ob)
{
Eina_Rectangle *rects;
RGBA_Image *img;
unsigned int n = 0, i = 0;
/* get number of pending writes */
n = eina_list_count(ob->priv.pending_writes);
if (n == 0) return;
/* allocate rectangles */
if (!(rects = alloca(n * sizeof(Eina_Rectangle)))) return;
/* loop the pending writes */
EINA_LIST_FREE(ob->priv.pending_writes, img)
{
Eina_Rectangle *rect;
int x = 0, y = 0, w = 0, h = 0;
if (!(rect = img->extended_info)) continue;
x = rect->x; y = rect->y; w = rect->w; h = rect->h;
/* based on rotation, set rectangle position */
if (ob->rotation == 0)
{
rects[i].x = x;
rects[i].y = y;
}
else if (ob->rotation == 90)
{
rects[i].x = y;
rects[i].y = (ob->w - x - w);
}
else if (ob->rotation == 180)
{
rects[i].x = (ob->w - x - w);
rects[i].y = (ob->h - y - h);
}
else if (ob->rotation == 270)
{
rects[i].x = (ob->h - y - h);
rects[i].y = x;
}
/* based on rotation, set rectangle size */
if ((ob->rotation == 0) || (ob->rotation == 180))
{
rects[i].w = w;
rects[i].h = h;
}
else if ((ob->rotation == 90) || (ob->rotation == 270))
{
rects[i].w = h;
rects[i].h = w;
}
eina_rectangle_free(rect);
#ifdef EVAS_CSERVE2
if (evas_cserve2_use_get())
evas_cache2_image_close(&img->cache_entry);
else
#endif
evas_cache_image_drop(&img->cache_entry);
i++;
}
/* force a buffer swap */
_evas_outbuf_buffer_swap(ob, rects, n);
}