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Win32: Change transparent framebuffer key color

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This is a temporary fix while we determine if the color key workaround
should be removed completely.  See issue thread for discussion.

Related to #1512.
This commit is contained in:
Camilla Löwy
2019-11-05 18:55:42 +01:00
parent 28d8507700
commit c88ee1c9d3
2 changed files with 8 additions and 1 deletions
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7
docs/window.dox
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@@ -234,6 +234,13 @@ alpha channel will be used to combine the framebuffer with the background. This
does not affect window decorations. Possible values are `GLFW_TRUE` and
`GLFW_FALSE`.
@par
@win32 GLFW sets a color key for the window to work around repainting issues
with a transparent framebuffer. The chosen color value is RGB 255,0,255
(magenta). This will make pixels with that exact color fully transparent
regardless of their alpha values. If this is a problem, make these pixels any
other color before buffer swap.
@anchor GLFW_FOCUS_ON_SHOW_hint
__GLFW_FOCUS_ON_SHOW__ specifies whether the window will be given input
focus when @ref glfwShowWindow is called. Possible values are `GLFW_TRUE` and `GLFW_FALSE`.