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This commit is mostly just a cosmetic change that cleans-up the interfaces,
replacing pipe_winsys::surface_* calls by
/**
* Allocate storage for a display target surface.
*
* Often surfaces which are meant to be blitted to the front screen (i.e.,
* display targets) must be allocated with special characteristics, memory
* pools, or obtained directly from the windowing system.
*
* This callback is invoked by the pipe_screenwhen creating a texture marked
* with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET flag to get the underlying
* buffer storage.
*/
struct pipe_buffer *(*surface_buffer_create)(struct pipe_winsys *ws,
unsigned width, unsigned height,
enum pipe_format format,
unsigned usage,
unsigned *stride);
Most drivers were updated but not all were tested. Use the softpipe pipe
driver and the xlib winsys changes as a reference when fixing other drivers.
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Also, rename p_tile.[ch] to u_tile.[ch]
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It often happens that new data is written directly to the user buffers
without mapping/unmapping. This hack marks user buffers and dumps them
before passing them to pipe context.
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That is,
Unfortunately, this causes a regression in softpipe, where the
output gets tyled.
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This not only simplifies the code, but allows to use atexit() to ensure
the log is closed when applications don't exit cleanly.
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