efl/src/lib/evas/common/evas_scale_sample.c

873 lines
30 KiB
C

#include "evas_common_private.h"
#include "evas_blend_private.h"
#include "Ecore.h"
static Eina_Bool scale_rgba_in_to_out_clip_sample_internal(RGBA_Image *src, RGBA_Image *dst, RGBA_Draw_Context *dc, int src_region_x, int src_region_y, int src_region_w, int src_region_h, int dst_region_x, int dst_region_y, int dst_region_w, int dst_region_h);
typedef struct _Evas_Scale_Thread Evas_Scale_Thread;
typedef struct _Evas_Scale_Msg Evas_Scale_Msg;
struct _Evas_Scale_Msg
{
Eina_Thread_Queue_Msg head;
Evas_Scale_Thread *task;
};
struct _Evas_Scale_Thread
{
RGBA_Image *mask8;
DATA32 **row_ptr;
DATA32 *dptr;
int *lin_ptr;
RGBA_Gfx_Func func;
RGBA_Gfx_Func func2;
int dst_clip_x;
int dst_clip_y;
int dst_clip_h;
int dst_clip_w;
int dst_w;
int mask_x;
int mask_y;
unsigned int mul_col;
};
static Eina_Bool use_thread = EINA_FALSE;
static Eina_Thread scaling_thread;
static Eina_Thread_Queue *thread_queue = NULL;
static Eina_Thread_Queue *main_queue = NULL;
EAPI Eina_Bool
evas_common_scale_rgba_in_to_out_clip_sample(RGBA_Image *src, RGBA_Image *dst,
RGBA_Draw_Context *dc,
int src_region_x, int src_region_y,
int src_region_w, int src_region_h,
int dst_region_x, int dst_region_y,
int dst_region_w, int dst_region_h)
{
return evas_common_scale_rgba_in_to_out_clip_cb
(src, dst, dc,
src_region_x, src_region_y, src_region_w, src_region_h,
dst_region_x, dst_region_y, dst_region_w, dst_region_h,
scale_rgba_in_to_out_clip_sample_internal);
}
EAPI void
evas_common_scale_rgba_in_to_out_clip_sample_do(const Cutout_Rects *reuse,
const Eina_Rectangle *clip,
RGBA_Image *src, RGBA_Image *dst,
RGBA_Draw_Context *dc,
int src_region_x, int src_region_y,
int src_region_w, int src_region_h,
int dst_region_x, int dst_region_y,
int dst_region_w, int dst_region_h)
{
Eina_Rectangle area;
Cutout_Rect *r;
int i;
if (!reuse)
{
evas_common_draw_context_clip_clip(dc, clip->x, clip->y, clip->w, clip->h);
scale_rgba_in_to_out_clip_sample_internal(src, dst, dc,
src_region_x, src_region_y,
src_region_w, src_region_h,
dst_region_x, dst_region_y,
dst_region_w, dst_region_h);
return;
}
for (i = 0; i < reuse->active; ++i)
{
r = reuse->rects + i;
EINA_RECTANGLE_SET(&area, r->x, r->y, r->w, r->h);
if (!eina_rectangle_intersection(&area, clip)) continue ;
evas_common_draw_context_set_clip(dc, area.x, area.y, area.w, area.h);
scale_rgba_in_to_out_clip_sample_internal(src, dst, dc,
src_region_x, src_region_y,
src_region_w, src_region_h,
dst_region_x, dst_region_y,
dst_region_w, dst_region_h);
}
}
static void
_evas_common_scale_rgba_sample_scale_nomask(int y,
int dst_clip_w, int dst_clip_h, int dst_w,
DATA32 **row_ptr, int *lin_ptr,
DATA32 *dptr, RGBA_Gfx_Func func, unsigned int mul_col,
DATA32 *srcptr, int src_w)
{
int x;
dptr = dptr + dst_w * y;
if (srcptr)
{
for (; y < dst_clip_h; y++)
{
/* * blend here [clip_w *] buf -> dptr * */
func(srcptr, NULL, mul_col, dptr, dst_clip_w);
dptr += dst_w;
srcptr += src_w;
}
}
else
{
DATA32 *buf = alloca(dst_clip_w * sizeof(DATA32));
for (; y < dst_clip_h; y++)
{
DATA32 *dst_ptr = buf;
for (x = 0; x < dst_clip_w; x++)
{
DATA32 *ptr = row_ptr[y] + lin_ptr[x];
*dst_ptr = *ptr;
dst_ptr++;
}
/* * blend here [clip_w *] buf -> dptr * */
func(buf, NULL, mul_col, dptr, dst_clip_w);
dptr += dst_w;
}
}
}
static void
_evas_common_scale_rgba_sample_scale_mask(int y,
int dst_clip_x, int dst_clip_y,
int dst_clip_w, int dst_clip_h, int dst_w,
int mask_x, int mask_y,
DATA32 **row_ptr, int *lin_ptr, RGBA_Image *mask_ie,
DATA32 *dptr, RGBA_Gfx_Func func, RGBA_Gfx_Func func2,
unsigned int mul_col,
DATA32 *srcptr, int src_w)
{
DATA32 *buf;
int x;
/* clamp/map to mask geometry */
if (EINA_UNLIKELY(dst_clip_x < mask_x))
dst_clip_x = mask_x;
if (EINA_UNLIKELY(dst_clip_y < mask_y))
dst_clip_y = mask_y;
if (EINA_UNLIKELY(dst_clip_x + dst_clip_w > mask_x + (int)mask_ie->cache_entry.w))
dst_clip_w = mask_x + mask_ie->cache_entry.w - dst_clip_x;
if (EINA_UNLIKELY(dst_clip_y + dst_clip_h > mask_y + (int)mask_ie->cache_entry.h))
dst_clip_h = mask_y + mask_ie->cache_entry.h - dst_clip_y;
/* a scanline buffer */
buf = alloca(dst_clip_w * sizeof(DATA32));
dptr = dptr + dst_w * y;
for (; y < dst_clip_h; y++)
{
DATA8 *mask;
mask = mask_ie->image.data8
+ ((dst_clip_y - mask_y + y) * mask_ie->cache_entry.w)
+ (dst_clip_x - mask_x);
if (!srcptr)
{
DATA32 *dst_ptr = buf;
for (x = 0; x < dst_clip_w; x++)
{
DATA32 *ptr;
ptr = row_ptr[y] + lin_ptr[x];
*dst_ptr = *ptr;
dst_ptr++;
}
}
/* * blend here [clip_w *] buf -> dptr * */
if (mul_col != 0xFFFFFFFF)
{
func2(srcptr ?: buf, NULL, mul_col, buf, dst_clip_w);
func(buf, mask, 0, dptr, dst_clip_w);
}
else
func(srcptr ?: buf, mask, 0, dptr, dst_clip_w);
dptr += dst_w;
if (srcptr) srcptr += src_w;
}
}
EAPI void
evas_common_scale_rgba_sample_draw(RGBA_Image *src, RGBA_Image *dst, int dst_clip_x, int dst_clip_y, int dst_clip_w, int dst_clip_h, DATA32 mul_col, int render_op, int src_region_x, int src_region_y, int src_region_w, int src_region_h, int dst_region_x, int dst_region_y, int dst_region_w, int dst_region_h, RGBA_Image *mask_ie, int mask_x, int mask_y)
{
int x, y;
int *lin_ptr;
DATA32 **row_ptr;
DATA32 *ptr, *dst_ptr, *src_data, *dst_data;
int src_w, src_h, dst_w, dst_h;
RGBA_Gfx_Func func, func2 = NULL;
if ((!src->image.data) || (!dst->image.data)) return;
if (!(RECTS_INTERSECT(dst_region_x, dst_region_y, dst_region_w, dst_region_h,
0, 0, dst->cache_entry.w, dst->cache_entry.h))) return;
if (!(RECTS_INTERSECT(src_region_x, src_region_y, src_region_w, src_region_h,
0, 0, src->cache_entry.w, src->cache_entry.h))) return;
if ((src_region_w <= 0) || (src_region_h <= 0) ||
(dst_region_w <= 0) || (dst_region_h <= 0)) return;
src_w = src->cache_entry.w;
if (src_region_x >= src_w) return;
src_h = src->cache_entry.h;
if (src_region_y >= src_h) return;
dst_w = dst->cache_entry.w;
dst_h = dst->cache_entry.h;
src_data = src->image.data;
dst_data = dst->image.data;
/* sanitise clip x */
if (dst_clip_x < 0)
{
dst_clip_w += dst_clip_x;
dst_clip_x = 0;
}
if ((dst_clip_x + dst_clip_w) > dst_w)
dst_clip_w = dst_w - dst_clip_x;
if (dst_clip_x < dst_region_x)
{
dst_clip_w += dst_clip_x - dst_region_x;
dst_clip_x = dst_region_x;
}
if (dst_clip_x >= dst_w) return;
if ((dst_clip_x + dst_clip_w) > (dst_region_x + dst_region_w))
dst_clip_w = dst_region_x + dst_region_w - dst_clip_x;
if (dst_clip_w <= 0) return;
/* sanitise clip y */
if (dst_clip_y < 0)
{
dst_clip_h += dst_clip_y;
dst_clip_y = 0;
}
if ((dst_clip_y + dst_clip_h) > dst_h)
dst_clip_h = dst_h - dst_clip_y;
if (dst_clip_y < dst_region_y)
{
dst_clip_h += dst_clip_y - dst_region_y;
dst_clip_y = dst_region_y;
}
if (dst_clip_y >= dst_h) return;
if ((dst_clip_y + dst_clip_h) > (dst_region_y + dst_region_h))
dst_clip_h = dst_region_y + dst_region_h - dst_clip_y;
if (dst_clip_h <= 0) return;
/* sanitise region x */
if (src_region_x < 0)
{
dst_region_x -= (src_region_x * dst_region_w) / src_region_w;
dst_region_w += (src_region_x * dst_region_w) / src_region_w;
src_region_w += src_region_x;
src_region_x = 0;
if (dst_clip_x < dst_region_x)
{
dst_clip_w += (dst_clip_x - dst_region_x);
dst_clip_x = dst_region_x;
}
}
if ((dst_clip_x + dst_clip_w) > dst_w)
dst_clip_w = dst_w - dst_clip_x;
if (dst_clip_w <= 0) return;
if ((src_region_x + src_region_w) > src_w)
{
dst_region_w = (dst_region_w * (src_w - src_region_x)) / (src_region_w);
src_region_w = src_w - src_region_x;
}
if ((dst_region_w <= 0) || (src_region_w <= 0)) return;
/* sanitise region y */
if (src_region_y < 0)
{
dst_region_y -= (src_region_y * dst_region_h) / src_region_h;
dst_region_h += (src_region_y * dst_region_h) / src_region_h;
src_region_h += src_region_y;
src_region_y = 0;
if (dst_clip_y < dst_region_y)
{
dst_clip_h += (dst_clip_y - dst_region_y);
dst_clip_y = dst_region_y;
}
}
if ((dst_clip_y + dst_clip_h) > dst_h)
dst_clip_h = dst_h - dst_clip_y;
if (dst_clip_h <= 0) return;
if ((src_region_y + src_region_h) > src_h)
{
dst_region_h = (dst_region_h * (src_h - src_region_y)) / (src_region_h);
src_region_h = src_h - src_region_y;
}
if ((dst_region_h <= 0) || (src_region_h <= 0)) return;
/* figure out dst jump */
//dst_jump = dst_w - dst_clip_w;
/* figure out dest start ptr */
dst_ptr = dst_data + dst_clip_x + (dst_clip_y * dst_w);
if (!mask_ie)
{
if (mul_col != 0xffffffff)
func = evas_common_gfx_func_composite_pixel_color_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, mul_col, dst->cache_entry.flags.alpha, dst_clip_w, render_op);
else
func = evas_common_gfx_func_composite_pixel_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, dst->cache_entry.flags.alpha, dst_clip_w, render_op);
}
else
{
if (mul_col != 0xffffffff)
{
func = evas_common_gfx_func_composite_pixel_mask_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, dst->cache_entry.flags.alpha, dst_clip_w, render_op);
func2 = evas_common_gfx_func_composite_pixel_color_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, mul_col, dst->cache_entry.flags.alpha, dst_clip_w, EVAS_RENDER_COPY);
}
else
func = evas_common_gfx_func_composite_pixel_mask_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, dst->cache_entry.flags.alpha, dst_clip_w, render_op);
}
if ((dst_region_w == src_region_w) && (dst_region_h == src_region_h))
{
ptr = src_data + (((dst_clip_y - dst_region_y) + src_region_y) * src_w) + ((dst_clip_x - dst_region_x) + src_region_x);
if (mask_ie)
_evas_common_scale_rgba_sample_scale_mask(0,
dst_clip_x, dst_clip_y, dst_clip_w, dst_clip_h,
dst_w, mask_x, mask_y,
NULL, NULL,
mask_ie, dst_ptr,
func, func2, mul_col,
ptr, src_w);
else
_evas_common_scale_rgba_sample_scale_nomask(0,
dst_clip_w, dst_clip_h, dst_w,
NULL, NULL,
dst_ptr,
func, mul_col,
ptr, src_w);
}
else
{
/* allocate scale lookup tables */
lin_ptr = alloca(dst_clip_w * sizeof(int));
row_ptr = alloca(dst_clip_h * sizeof(DATA32 *));
/* fill scale tables */
for (x = 0; x < dst_clip_w; x++)
lin_ptr[x] = (((x + dst_clip_x - dst_region_x) * src_region_w) / dst_region_w) + src_region_x;
for (y = 0; y < dst_clip_h; y++)
row_ptr[y] = src_data + (((((y + dst_clip_y - dst_region_y) * src_region_h) / dst_region_h)
+ src_region_y) * src_w);
if (mask_ie)
_evas_common_scale_rgba_sample_scale_mask(0,
dst_clip_x, dst_clip_y, dst_clip_w, dst_clip_h,
dst_w, mask_x, mask_y,
row_ptr, lin_ptr,
mask_ie, dst_ptr,
func, func2, mul_col,
NULL, 0);
else
_evas_common_scale_rgba_sample_scale_nomask(0,
dst_clip_w, dst_clip_h, dst_w,
row_ptr, lin_ptr,
dst_ptr,
func, mul_col,
NULL, 0);
}
}
static Eina_Bool
scale_rgba_in_to_out_clip_sample_internal(RGBA_Image *src, RGBA_Image *dst,
RGBA_Draw_Context *dc,
int src_region_x, int src_region_y,
int src_region_w, int src_region_h,
int dst_region_x, int dst_region_y,
int dst_region_w, int dst_region_h)
{
int x, y;
int *lin_ptr;
DATA32 *dptr;
DATA32 **row_ptr;
DATA32 *ptr, *dst_ptr, *src_data, *dst_data;
int dst_clip_x, dst_clip_y, dst_clip_w, dst_clip_h;
int src_w, src_h, dst_w, dst_h, mask_x, mask_y;
RGBA_Gfx_Func func, func2 = NULL;
RGBA_Image *mask_ie = dc->clip.mask;
if (!(RECTS_INTERSECT(dst_region_x, dst_region_y, dst_region_w, dst_region_h, 0, 0, dst->cache_entry.w, dst->cache_entry.h)))
return EINA_FALSE;
if (!(RECTS_INTERSECT(src_region_x, src_region_y, src_region_w, src_region_h, 0, 0, src->cache_entry.w, src->cache_entry.h)))
return EINA_FALSE;
src_w = src->cache_entry.w;
src_h = src->cache_entry.h;
dst_w = dst->cache_entry.w;
dst_h = dst->cache_entry.h;
src_data = src->image.data;
dst_data = dst->image.data;
mask_x = dc->clip.mask_x;
mask_y = dc->clip.mask_y;
if (dc->clip.use)
{
dst_clip_x = dc->clip.x;
dst_clip_y = dc->clip.y;
dst_clip_w = dc->clip.w;
dst_clip_h = dc->clip.h;
if (dst_clip_x < 0)
{
dst_clip_w += dst_clip_x;
dst_clip_x = 0;
}
if (dst_clip_y < 0)
{
dst_clip_h += dst_clip_y;
dst_clip_y = 0;
}
if ((dst_clip_x + dst_clip_w) > dst_w)
dst_clip_w = dst_w - dst_clip_x;
if ((dst_clip_y + dst_clip_h) > dst_h)
dst_clip_h = dst_h - dst_clip_y;
}
else
{
dst_clip_x = 0;
dst_clip_y = 0;
dst_clip_w = dst_w;
dst_clip_h = dst_h;
}
if (dst_clip_x < dst_region_x)
{
dst_clip_w += dst_clip_x - dst_region_x;
dst_clip_x = dst_region_x;
}
if ((dst_clip_x + dst_clip_w) > (dst_region_x + dst_region_w))
dst_clip_w = dst_region_x + dst_region_w - dst_clip_x;
if (dst_clip_y < dst_region_y)
{
dst_clip_h += dst_clip_y - dst_region_y;
dst_clip_y = dst_region_y;
}
if ((dst_clip_y + dst_clip_h) > (dst_region_y + dst_region_h))
dst_clip_h = dst_region_y + dst_region_h - dst_clip_y;
if ((src_region_w <= 0) || (src_region_h <= 0) ||
(dst_region_w <= 0) || (dst_region_h <= 0) ||
(dst_clip_w <= 0) || (dst_clip_h <= 0))
return EINA_FALSE;
/* sanitise x */
if (src_region_x < 0)
{
dst_region_x -= (src_region_x * dst_region_w) / src_region_w;
dst_region_w += (src_region_x * dst_region_w) / src_region_w;
src_region_w += src_region_x;
src_region_x = 0;
}
if (src_region_x >= src_w) return EINA_FALSE;
if ((src_region_x + src_region_w) > src_w)
{
dst_region_w = (dst_region_w * (src_w - src_region_x)) / (src_region_w);
src_region_w = src_w - src_region_x;
}
if (dst_region_w <= 0) return EINA_FALSE;
if (src_region_w <= 0) return EINA_FALSE;
if (dst_clip_x >= dst_w) return EINA_FALSE;
if (dst_clip_x < dst_region_x)
{
dst_clip_w += (dst_clip_x - dst_region_x);
dst_clip_x = dst_region_x;
}
if ((dst_clip_x + dst_clip_w) > dst_w)
{
dst_clip_w = dst_w - dst_clip_x;
}
if (dst_clip_w <= 0) return EINA_FALSE;
/* sanitise y */
if (src_region_y < 0)
{
dst_region_y -= (src_region_y * dst_region_h) / src_region_h;
dst_region_h += (src_region_y * dst_region_h) / src_region_h;
src_region_h += src_region_y;
src_region_y = 0;
}
if (src_region_y >= src_h) return EINA_FALSE;
if ((src_region_y + src_region_h) > src_h)
{
dst_region_h = (dst_region_h * (src_h - src_region_y)) / (src_region_h);
src_region_h = src_h - src_region_y;
}
if (dst_region_h <= 0) return EINA_FALSE;
if (src_region_h <= 0) return EINA_FALSE;
if (dst_clip_y >= dst_h) return EINA_FALSE;
if (dst_clip_y < dst_region_y)
{
dst_clip_h += (dst_clip_y - dst_region_y);
dst_clip_y = dst_region_y;
}
if ((dst_clip_y + dst_clip_h) > dst_h)
{
dst_clip_h = dst_h - dst_clip_y;
}
if (dst_clip_h <= 0) return EINA_FALSE;
/* figure out dst jump */
//dst_jump = dst_w - dst_clip_w;
/* figure out dest start ptr */
dst_ptr = dst_data + dst_clip_x + (dst_clip_y * dst_w);
if (!mask_ie)
{
if (dc->mul.use)
func = evas_common_gfx_func_composite_pixel_color_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, dc->mul.col, dst->cache_entry.flags.alpha, dst_clip_w, dc->render_op);
else
func = evas_common_gfx_func_composite_pixel_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, dst->cache_entry.flags.alpha, dst_clip_w, dc->render_op);
}
else
{
func = evas_common_gfx_func_composite_pixel_mask_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, dst->cache_entry.flags.alpha, dst_clip_w, dc->render_op);
if (dc->mul.use)
func2 = evas_common_gfx_func_composite_pixel_color_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, dc->mul.col, dst->cache_entry.flags.alpha, dst_clip_w, EVAS_RENDER_COPY);
}
if ((dst_region_w == src_region_w) && (dst_region_h == src_region_h))
{
#ifdef HAVE_PIXMAN
# ifdef PIXMAN_IMAGE_SCALE_SAMPLE
if ((src->pixman.im) && (dst->pixman.im) && (!dc->clip.mask) &&
((!dc->mul.use) || ((dc->mul.use) && (dc->mul.col == 0xffffffff))) &&
((dc->render_op == _EVAS_RENDER_COPY) ||
(dc->render_op == _EVAS_RENDER_BLEND)))
{
pixman_op_t op = PIXMAN_OP_SRC; // _EVAS_RENDER_COPY
if (dc->render_op == _EVAS_RENDER_BLEND)
op = PIXMAN_OP_OVER;
pixman_image_composite(op,
src->pixman.im, NULL,
dst->pixman.im,
(dst_clip_x - dst_region_x) + src_region_x,
(dst_clip_y - dst_region_y) + src_region_y,
0, 0,
dst_clip_x, dst_clip_y,
dst_clip_w, dst_clip_h);
}
else
# endif
#endif
{
int mul_col = dc->mul.use ? dc->mul.col : 0xffffffff;
ptr = src_data + ((dst_clip_y - dst_region_y + src_region_y) * src_w) + (dst_clip_x - dst_region_x) + src_region_x;
if (mask_ie)
_evas_common_scale_rgba_sample_scale_mask(0,
dst_clip_x, dst_clip_y, dst_clip_w, dst_clip_h,
dst_w, mask_x, mask_y,
NULL, NULL,
mask_ie, dst_ptr,
func, func2, mul_col,
ptr, src_w);
else
_evas_common_scale_rgba_sample_scale_nomask(0,
dst_clip_w, dst_clip_h, dst_w,
NULL, NULL,
dst_ptr,
func, mul_col,
ptr, src_w);
}
}
else
{
/* allocate scale lookup tables */
lin_ptr = alloca(dst_clip_w * sizeof(int));
row_ptr = alloca(dst_clip_h * sizeof(DATA32 *));
/* fill scale tables */
for (x = 0; x < dst_clip_w; x++)
lin_ptr[x] = (((x + dst_clip_x - dst_region_x) * src_region_w) / dst_region_w) + src_region_x;
for (y = 0; y < dst_clip_h; y++)
row_ptr[y] = src_data + (((((y + dst_clip_y - dst_region_y) * src_region_h) / dst_region_h)
+ src_region_y) * src_w);
/* scale to dst */
dptr = dst_ptr;
#ifdef DIRECT_SCALE
if ((!src->cache_entry.flags.alpha) &&
(!dst->cache_entry.flags.alpha) &&
(!dc->mul.use) &&
(!dc->clip.mask))
{
for (y = 0; y < dst_clip_h; y++)
{
dst_ptr = dptr;
for (x = 0; x < dst_clip_w; x++)
{
ptr = row_ptr[y] + lin_ptr[x];
*dst_ptr = *ptr;
dst_ptr++;
}
dptr += dst_w;
}
}
else
#endif
{
unsigned int mul_col;
mul_col = dc->mul.use ? dc->mul.col : 0xFFFFFFFF;
/* do we have enough data to start some additional thread ? */
if (use_thread && dst_clip_h > 32 && dst_clip_w * dst_clip_h > 4096)
{
/* Yes, we do ! */
Evas_Scale_Msg *msg;
void *ref;
Evas_Scale_Thread local;
local.mask8 = dc->clip.mask;
local.row_ptr = row_ptr;
local.dptr = dptr;
local.lin_ptr = lin_ptr;
local.func = func;
local.func2 = func2;
local.dst_clip_x = dst_clip_x;
local.dst_clip_y = dst_clip_y;
local.dst_clip_h = dst_clip_h;
local.dst_clip_w = dst_clip_w;
local.dst_w = dst_w;
local.mask_x = mask_x;
local.mask_y = mask_y;
local.mul_col = mul_col;
msg = eina_thread_queue_send(thread_queue, sizeof (Evas_Scale_Msg), &ref);
msg->task = &local;
eina_thread_queue_send_done(thread_queue, ref);
/* image masking */
if (dc->clip.mask)
{
_evas_common_scale_rgba_sample_scale_mask(0,
dst_clip_x, dst_clip_y,
dst_clip_w, dst_clip_h >> 1, dst_w,
dc->clip.mask_x, dc->clip.mask_y,
row_ptr, lin_ptr, dc->clip.mask,
dptr, func, func2, mul_col,
NULL, 0);
}
else
{
_evas_common_scale_rgba_sample_scale_nomask(0,
dst_clip_w, dst_clip_h >> 1, dst_w,
row_ptr, lin_ptr,
dptr, func, mul_col,
NULL, 0);
}
msg = eina_thread_queue_wait(main_queue, &ref);
if (msg) eina_thread_queue_wait_done(main_queue, ref);
}
else
{
/* No we don't ! */
/* image masking */
if (dc->clip.mask)
{
_evas_common_scale_rgba_sample_scale_mask(0,
dst_clip_x, dst_clip_y,
dst_clip_w, dst_clip_h, dst_w,
dc->clip.mask_x, dc->clip.mask_y,
row_ptr, lin_ptr, dc->clip.mask,
dptr, func, func2, mul_col,
NULL, 0);
}
else
{
_evas_common_scale_rgba_sample_scale_nomask(0,
dst_clip_w, dst_clip_h, dst_w,
row_ptr, lin_ptr,
dptr, func, mul_col,
NULL, 0);
}
}
}
}
return EINA_TRUE;
}
static void *
_evas_common_scale_sample_thread(void *data EINA_UNUSED,
Eina_Thread t EINA_UNUSED)
{
Evas_Scale_Msg *msg;
Evas_Scale_Thread *todo = NULL;
eina_thread_name_set(eina_thread_self(), "Evas-scale-sam");
do
{
void *ref;
todo = NULL;
msg = eina_thread_queue_wait(thread_queue, &ref);
if (msg)
{
int h;
todo = msg->task;
eina_thread_queue_wait_done(thread_queue, ref);
if (!todo) goto end;
h = todo->dst_clip_h >> 1;
if (todo->mask8)
_evas_common_scale_rgba_sample_scale_mask(h,
todo->dst_clip_x, todo->dst_clip_y,
todo->dst_clip_w, todo->dst_clip_h,
todo->dst_w,
todo->mask_x, todo->mask_y,
todo->row_ptr, todo->lin_ptr, todo->mask8,
todo->dptr, todo->func, todo->func2,
todo->mul_col,
NULL, 0);
else
_evas_common_scale_rgba_sample_scale_nomask(h,
todo->dst_clip_w, todo->dst_clip_h,
todo->dst_w,
todo->row_ptr, todo->lin_ptr,
todo->dptr, todo->func, todo->mul_col,
NULL, 0);
}
end:
msg = eina_thread_queue_send(main_queue, sizeof (Evas_Scale_Msg), &ref);
msg->task = NULL;
eina_thread_queue_send_done(main_queue, ref);
}
while (todo);
return NULL;
}
static void
evas_common_scale_sample_fork_reset(void *data EINA_UNUSED)
{
eina_thread_queue_free(thread_queue);
eina_thread_queue_free(main_queue);
thread_queue = eina_thread_queue_new();
main_queue = eina_thread_queue_new();
if (!eina_thread_create(&scaling_thread, EINA_THREAD_NORMAL, -1,
_evas_common_scale_sample_thread, NULL))
{
CRI("We failed to recreate the upscaling thread.");
use_thread = EINA_FALSE;
}
}
EAPI void
evas_common_scale_sample_init(void)
{
if (eina_cpu_count() <= 2) return ;
//Eina_Thread_Queue doesn't work on WIN32.
#ifdef _WIN32
return;
#endif
ecore_fork_reset_callback_add(evas_common_scale_sample_fork_reset, NULL);
thread_queue = eina_thread_queue_new();
if (EINA_UNLIKELY(!thread_queue))
{
ERR("Failed to create thread queue");
goto cleanup;
}
main_queue = eina_thread_queue_new();
if (EINA_UNLIKELY(!thread_queue))
{
ERR("Failed to create thread queue");
goto cleanup;
}
if (!eina_thread_create(&scaling_thread, EINA_THREAD_NORMAL, -1,
_evas_common_scale_sample_thread, NULL))
{
CRI("We failed to create the upscaling thread.");
goto cleanup;
}
use_thread = EINA_TRUE;
return;
cleanup:
if (thread_queue) eina_thread_queue_free(thread_queue);
if (main_queue) eina_thread_queue_free(main_queue);
}
EAPI void
evas_common_scale_sample_shutdown(void)
{
Evas_Scale_Msg *msg;
void *ref;
if (!use_thread) return ;
ecore_fork_reset_callback_del(evas_common_scale_sample_fork_reset, NULL);
msg = eina_thread_queue_send(thread_queue, sizeof (Evas_Scale_Msg), &ref);
msg->task = NULL;
eina_thread_queue_send_done(thread_queue, ref);
/* Here is the thread commiting succide*/
msg = eina_thread_queue_wait(main_queue, &ref);
if (msg) eina_thread_queue_wait_done(main_queue, ref);
eina_thread_join(scaling_thread);
eina_thread_queue_free(thread_queue);
eina_thread_queue_free(main_queue);
}