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Add comment that createScreenShot only supports ERT_FRAME_BUFFER

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Thanks @Eduuu for bringing this to attention


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6444 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien 2022-11-29 21:38:35 +00:00
parent 817d59f379
commit cfa42b743c
1 changed files with 7 additions and 5 deletions
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12
include/IVideoDriver.h
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@ -514,8 +514,8 @@ namespace video
- For a 32-bit texture only the red channel is regarded - For a 32-bit texture only the red channel is regarded
- For a 16-bit texture the rgb-values are averaged. - For a 16-bit texture the rgb-values are averaged.
Output channels red/green for X/Y and blue for up (Z). Output channels red/green for X/Y and blue for up (Z).
For a 32-bit texture we store additionally the height value in the For a 32-bit texture we store additionally the height value in the
alpha channel. This value is used by the video::EMT_PARALLAX_MAP_SOLID alpha channel. This value is used by the video::EMT_PARALLAX_MAP_SOLID
material and similar materials. material and similar materials.
On the borders the texture is considered to repeat. On the borders the texture is considered to repeat.
\param texture Height map texture which is converted to a normal map. \param texture Height map texture which is converted to a normal map.
@ -789,7 +789,7 @@ namespace video
//! Draws a 2d image without any special effects //! Draws a 2d image without any special effects
/** \param texture Pointer to texture to use. /** \param texture Pointer to texture to use.
\param destPos Upper left 2d destination position where the \param destPos Upper left 2d destination position where the
image will be drawn. image will be drawn.
\param useAlphaChannelOfTexture: If true, the alpha channel of \param useAlphaChannelOfTexture: If true, the alpha channel of
the texture is used to draw the image.*/ the texture is used to draw the image.*/
virtual void draw2DImage(const video::ITexture* texture, virtual void draw2DImage(const video::ITexture* texture,
@ -1231,7 +1231,7 @@ namespace video
\param data A byte array with pixel color information \param data A byte array with pixel color information
\param ownForeignMemory If true, the image will use the data \param ownForeignMemory If true, the image will use the data
pointer directly and own it afterward. If false, the memory pointer directly and own it afterward. If false, the memory
will by copied internally. will by copied internally.
WARNING: Setting this to 'true' will not work across dll boundaries. WARNING: Setting this to 'true' will not work across dll boundaries.
So unless you link Irrlicht statically you should keep this to 'false'. So unless you link Irrlicht statically you should keep this to 'false'.
The parameter is mainly for internal usage. The parameter is mainly for internal usage.
@ -1429,7 +1429,9 @@ namespace video
} }
//! Make a screenshot of the last rendered frame. //! Make a screenshot of the last rendered frame.
/** \return An image created from the last rendered frame. */ /**
\param target All current drivers only support ERT_FRAME_BUFFER
\return An image created from the last rendered frame. */
virtual IImage* createScreenShot(video::ECOLOR_FORMAT format=video::ECF_UNKNOWN, video::E_RENDER_TARGET target=video::ERT_FRAME_BUFFER) =0; virtual IImage* createScreenShot(video::ECOLOR_FORMAT format=video::ECF_UNKNOWN, video::E_RENDER_TARGET target=video::ERT_FRAME_BUFFER) =0;
//! Check if the image is already loaded. //! Check if the image is already loaded.