With OpenGL (default subsystem) ScreenID() always returns null.
But ScreenID() works fine with subsystems DirectX9 and DirectX11.
( x64 and x86; ASM and C backend )
Code: Select all
;
; ------------------------------------------------------------
;
; PureBasic - Sprite example file (slightly modified)
;
; (c) Fantaisie Software
;
; ------------------------------------------------------------
;
;#########################################################################################################
; With OpenGL (default subsystem) ScreenID() always returns null.
; But ScreenID() works fine with subsystems DirectX9 and DirectX11.
; ( x64 and x86; ASM and C backend )
;#########################################################################################################
;DirectX9
;DirectX11
If InitSprite() = 0 Or InitKeyboard() = 0
MessageRequester("Error", "Sprite system can't be initialized", 0)
End
EndIf
If ExamineDesktops() = 0
MessageRequester("Error", "ExamineDesktops() = 0", 0)
End
EndIf
sw = DesktopWidth(0)
sh = DesktopHeight(0)
sd = DesktopDepth(0)
If OpenScreen(sw, sh, sd, "Sprite")
; Load our 16 bit sprite (which is a 24 bit picture in fact, as BMP doesn't support 16 bit format)
;
LoadSprite(0, #PB_Compiler_Home + "examples/sources/Data/PureBasic.bmp")
CopySprite(0, 1, 0)
Repeat
; Inverse the buffers (the back become the front (visible)... And we can do the rendering on the back)
FlipBuffers()
ClearScreen(RGB(0,0,0))
; Draw our sprite
ClipSprite(0, 0, 0, x, x/8)
DisplaySprite(0, x, 100)
DisplaySprite(1, x, x)
DisplaySprite(0, 600-x, x)
;#####################################################################################################
; Draw ScreenID (upper left screen corner)
;#####################################################################################################
If StartDrawing(ScreenOutput())
DrawText(0, 0, "ScreenID = "+Str(ScreenID()))
StopDrawing()
EndIf
x+1
ExamineKeyboard()
Until KeyboardPushed(#PB_Key_Escape)
Else
MessageRequester("Error", "Can't open a "+sw+"*"+sh+" - "+sd+" bit screen !", 0)
EndIf
