[Bug 41930] Civilization III Complete shows black terrain (Wine compiled with OSMesa support)

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=41930

Vijay Kamuju <infyquest at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |infyquest at gmail.com

--- Comment #26 from Vijay Kamuju <infyquest at gmail.com> ---
also check further documentation here
https://cgit.freedesktop.org/mesa/mesa/tree/src/mesa/drivers/osmesa/osmesa.c#n967

/**
 * Bind an OSMesaContext to an image buffer.  The image buffer is just a
 * block of memory which the client provides.  Its size must be at least
 * as large as width*height*sizeof(type).  Its address should be a multiple
 * of 4 if using RGBA mode.
 *
 * Image data is stored in the order of glDrawPixels:  row-major order
 * with the lower-left image pixel stored in the first array position
 * (ie. bottom-to-top).
 *
 * If the context's viewport hasn't been initialized yet, it will now be
 * initialized to (0,0,width,height).
 *
 * If both the context and the buffer are null, the current context will be
 * unbound.
 *
 * Input:  osmesa - the rendering context
 *         buffer - the image buffer memory
 *         type - data type for pixel components
 *            Normally, only GL_UNSIGNED_BYTE and GL_UNSIGNED_SHORT_5_6_5
 *            are supported.  But if Mesa's been compiled with CHAN_BITS==16
 *            then type may be GL_UNSIGNED_SHORT or GL_UNSIGNED_BYTE.  And if
 *            Mesa's been build with CHAN_BITS==32 then type may be GL_FLOAT,
 *            GL_UNSIGNED_SHORT or GL_UNSIGNED_BYTE.
 *         width, height - size of image buffer in pixels, at least 1
 * Return:  GL_TRUE if success, GL_FALSE if error because of invalid osmesa,
 *          invalid buffer address, invalid type, width<1, height<1,
 *          width>internal limit or height>internal limit.
 */

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