void LLViewerMediaImpl::getTextureSize(S32 *texture_width, S32 *texture_height)
{
LLPluginClassMedia* plugin = getMediaPlugin();
if(plugin && plugin->textureValid())
{
S32 real_texture_width = plugin->getBitsWidth();
S32 real_texture_height = plugin->getBitsHeight();
{
// The "texture width" coming back from the plugin may not be a power of two (thanks to webkit).
// It will be the correct "data width" to pass to setSubImage
int i;
for(i = 1; i < real_texture_width; i <<= 1)
;
*texture_width = i;
for(i = 1; i < real_texture_height; i <<= 1)
;
*texture_height = i;
}
}
else
{
*texture_width = 0;
*texture_height = 0;
}
}
void LLViewerMediaImpl::update()
{
LLPluginClassMedia* plugin = getMediaPlugin();
if (!plugin)
{
return;
}
plugin->idle();
if (plugin->isPluginExited())
{
destroyMediaSource();
return;
}
if (!plugin->textureValid())
{
return;
}
if(mSuspendUpdates || !mVisible)
{
return;
}
LLViewerTexture* placeholder_image = updatePlaceholderImage();
if(placeholder_image)
{
LLRect dirty_rect;
if (plugin->getDirty(&dirty_rect))
{
// Constrain the dirty rect to be inside the texture
S32 x_pos = llmax(dirty_rect.mLeft, 0);
S32 y_pos = llmax(dirty_rect.mBottom, 0);
S32 width = llmin(dirty_rect.mRight, placeholder_image->getWidth()) - x_pos;
S32 height = llmin(dirty_rect.mTop, placeholder_image->getHeight()) - y_pos;
if(width > 0 && height > 0)
{
U8* data = plugin->getBitsData();
// Offset the pixels pointer to match x_pos and y_pos
data += ( x_pos * plugin->getTextureDepth() * plugin->getBitsWidth() );
data += ( y_pos * plugin->getTextureDepth() );
placeholder_image->setSubImage(
data,
plugin->getBitsWidth(),
plugin->getBitsHeight(),
x_pos,
y_pos,
width,
height,
TRUE); // force a fast update (i.e. don't call analyzeAlpha, etc.)
}
plugin->resetDirty();
}
}
}