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Fixed bug 3369 - RaspberryPI ability to specify a Dispmanx layer

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Albert Casals

On a RaspberryPI, it might become convenient to specify the Dispmanx layer SDL uses.
Currently, it is hardcoded to be 10000 to sit above most applications.

This can be specially useful when integrating other graphical apps and frameworks like OMXplayer, QT5 etc.. in order to have more flexibility on their Z-order.
This commit is contained in:
Sam Lantinga 2016-10-18 23:24:49 -07:00
parent 267207ffca
commit 012217f069
3 changed files with 37 additions and 4 deletions
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8
include/SDL_hints.h
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@ -699,6 +699,14 @@ extern "C" {
*/
#define SDL_HINT_WINDOWS_DISABLE_THREAD_NAMING "SDL_WINDOWS_DISABLE_THREAD_NAMING"
/**
* \brief Tell SDL which Dispmanx layer to use on a Raspberry PI
*
* Also known as Z-order. The variable can take a negative or positive value.
* The default is 10000.
*/
#define SDL_HINT_RPI_VIDEO_LAYER "SDL_RPI_VIDEO_LAYER"
/**
* \brief An enumeration of hint priorities
*/