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vo_direct3d: reduce number of lock calls in OSD rendering 

The code locked the texture once for each OSD object that was rendered.
But there doesn't seem to be any good reason to do that, so lock it only
once during OSD rendering.
This commit is contained in:
wm4 2011-11-01 03:11:46 +01:00
parent 968cb269f3
commit cd713b4beb
1 changed files with 21 additions and 29 deletions
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46
libvo/vo_direct3d.c
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@ -1138,29 +1138,21 @@ static void vo_draw_alpha_l8a8(int w, int h, unsigned char* src,
}
}
struct draw_osd_closure {
D3DLOCKED_RECT locked_rect;
};
/** @brief Callback function to render the OSD to the texture
*/
static void draw_alpha(int x0, int y0, int w, int h, unsigned char *src,
unsigned char *srca, int stride)
static void draw_alpha(void *pctx, int x0, int y0, int w, int h,
unsigned char *src, unsigned char *srca, int stride)
{
D3DLOCKED_RECT locked_rect; /**< Offscreen surface we lock in order
to copy MPlayer's frame inside it.*/
if (FAILED(IDirect3DTexture9_LockRect(priv->texture_osd.system, 0,
&locked_rect, NULL, 0))) {
mp_msg(MSGT_VO,MSGL_ERR,"<vo_direct3d>OSD texture lock failed.\n");
return;
}
struct draw_osd_closure *ctx = pctx;
D3DLOCKED_RECT locked_rect = ctx->locked_rect;
vo_draw_alpha_l8a8(w, h, src, srca, stride,
(unsigned char *)locked_rect.pBits + locked_rect.Pitch*y0 + 2*x0, locked_rect.Pitch);
/* this unlock is used for both slice_draw path and D3DRenderFrame path */
if (FAILED(IDirect3DTexture9_UnlockRect(priv->texture_osd.system, 0))) {
mp_msg(MSGT_VO,MSGL_ERR,"<vo_direct3d>OSD texture unlock failed.\n");
return;
}
priv->is_osd_populated = 1;
}
@ -1173,32 +1165,32 @@ static void draw_osd(void)
return;
if (vo_osd_changed(0)) {
D3DLOCKED_RECT locked_rect; /**< Offscreen surface we lock in order
to copy MPlayer's frame inside it.*/
struct draw_osd_closure ctx;
/* clear the OSD */
if (FAILED(IDirect3DTexture9_LockRect(priv->texture_osd.system, 0,
&locked_rect, NULL, 0))) {
&ctx.locked_rect, NULL, 0))) {
mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>OSD texture lock failed.\n");
return;
}
/* clear the whole texture to avoid issues due to interpolation */
memset(locked_rect.pBits, 0, locked_rect.Pitch * priv->texture_osd.tex_h);
if (FAILED(IDirect3DTexture9_UnlockRect(priv->texture_osd.system, 0))) {
mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>OSD texture unlock failed.\n");
return;
}
memset(ctx.locked_rect.pBits, 0,
ctx.locked_rect.Pitch * priv->texture_osd.tex_h);
priv->is_osd_populated = 0;
/* required for if subs are in the boarder region */
priv->is_clear_needed = 1;
vo_draw_text_ext(priv->texture_osd.w, priv->texture_osd.h,
osd_draw_text_ext(global_osd, priv->texture_osd.w, priv->texture_osd.h,
priv->border_x, priv->border_y,
priv->border_x, priv->border_y,
priv->src_width, priv->src_height, draw_alpha);
priv->src_width, priv->src_height, draw_alpha, &ctx);
if (FAILED(IDirect3DTexture9_UnlockRect(priv->texture_osd.system, 0))) {
mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>OSD texture unlock failed.\n");
return;
}
d3dtex_update(&priv->texture_osd);
}