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Evas filters: Remove unnecessary copy of buffers 

When doing blur from alpha to rgba, there was an extra copy
step added, that was not required.

This should improve the performance a little bit in this situation.
This commit is contained in:
Jean-Philippe Andre 2015-06-12 16:44:43 +09:00
parent 8b897144ac
commit c4a797ff6e
1 changed files with 23 additions and 7 deletions
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30
src/lib/evas/filters/evas_filter.c
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@ -817,7 +817,7 @@ evas_filter_command_blur_add(Evas_Filter_Context *ctx, void *drawctx,
Evas_Filter_Buffer *out_dy = NULL, *out_dx = NULL;
Evas_Filter_Buffer *copybuf = NULL, *blur_out = NULL;
Eina_Bool copy_back = EINA_FALSE, blend = EINA_FALSE;
int R, G, B, A;
int R, G, B, A; DATA32 color;
int ret = 0, id;
EINA_SAFETY_ON_NULL_RETURN_VAL(ctx, -1);
@ -848,6 +848,14 @@ evas_filter_command_blur_add(Evas_Filter_Context *ctx, void *drawctx,
if (in == out) out->dirty = EINA_FALSE;
blend = (out->dirty && !out->transient);
ENFN->context_color_get(ENDT, drawctx, &R, &G, &B, &A);
color = ARGB_JOIN(A, R, G, B);
if (!color)
{
DBG("Blur with transparent color. Nothing to do.");
/* FIXME: return skip; */
}
switch (type)
{
case EVAS_FILTER_BLUR_GAUSSIAN:
@ -892,11 +900,15 @@ evas_filter_command_blur_add(Evas_Filter_Context *ctx, void *drawctx,
else
type = EVAS_FILTER_BLUR_BOX;
if (dy && (color != 0xFFFFFFFF))
ENFN->context_color_set(ENDT, drawctx, 255, 255, 255, 255);
id = evas_filter_command_blur_add(ctx, drawctx, inbuf, tmp_out,
type, dx, 0, tmp_ox, tmp_oy, 0);
if (id < 0) goto fail;
cmd = _evas_filter_command_get(ctx, id);
cmd->blur.auto_count = EINA_TRUE;
if (dy && (color != 0xFFFFFFFF))
ENFN->context_color_set(ENDT, drawctx, R, G, B, A);
}
if (dy)
@ -924,7 +936,8 @@ evas_filter_command_blur_add(Evas_Filter_Context *ctx, void *drawctx,
if (!in->alpha_only && out->alpha_only)
{
ERR("Output and input don't have the same format");
/* FIXME: Add temporary buffer + blend */
ERR("Input is RGBA but output is Alpha only. Unsupported config for blur.");
goto fail;
}
else if ((blend || (in->alpha_only && !out->alpha_only)) ||
@ -933,7 +946,10 @@ evas_filter_command_blur_add(Evas_Filter_Context *ctx, void *drawctx,
DBG("Adding extra blending step %d --> %d (%s --> %s)", in->id, out->id,
in->alpha_only ? "Alpha" : "RGBA",
out->alpha_only ? "Alpha" : "RGBA");
Eina_Bool wasl = in->locked;
in->locked = 1;
blur_out = evas_filter_temporary_buffer_get(ctx, 0, 0, in->alpha_only);
in->locked = wasl;
if (!blur_out) goto fail;
blend = EINA_TRUE;
}
@ -1004,8 +1020,6 @@ evas_filter_command_blur_add(Evas_Filter_Context *ctx, void *drawctx,
}
}
ENFN->context_color_get(ENDT, drawctx, &R, &G, &B, &A);
if (dx)
{
DBG("Add horizontal blur %d -> %d (%dpx)", in->id, out_dx->id, dx);
@ -1015,7 +1029,8 @@ evas_filter_command_blur_add(Evas_Filter_Context *ctx, void *drawctx,
cmd->blur.dx = dx;
cmd->blur.dy = 0;
cmd->blur.count = count;
DRAW_COLOR_SET(R, G, B, A);
if (!dy && !blend)
DRAW_COLOR_SET(R, G, B, A);
ret = cmd->id;
}
@ -1028,7 +1043,8 @@ evas_filter_command_blur_add(Evas_Filter_Context *ctx, void *drawctx,
cmd->blur.dx = 0;
cmd->blur.dy = dy;
cmd->blur.count = count;
DRAW_COLOR_SET(R, G, B, A);
if (!blend)
DRAW_COLOR_SET(R, G, B, A);
if (ret <= 0) ret = cmd->id;
}
@ -1038,7 +1054,7 @@ evas_filter_command_blur_add(Evas_Filter_Context *ctx, void *drawctx,
if (!cmd) goto fail;
DBG("Add copy %d -> %d", copybuf->id, blur_out->id);
cmd->ENFN->context_color_set(cmd->ENDT, drawctx, 0, 0, 0, 255);
cmd->ENFN->context_color_set(cmd->ENDT, drawctx, 255, 255, 255, 255);
render_op = cmd->ENFN->context_render_op_get(cmd->ENDT, drawctx);
cmd->ENFN->context_render_op_set(cmd->ENDT, drawctx, EVAS_RENDER_COPY);
id = evas_filter_command_blend_add(ctx, drawctx, copybuf->id, blur_out->id, ox, oy, EVAS_FILTER_FILL_MODE_NONE);