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I should have gotten most uses and implementation
correctly fixed, but things might break.
Feel free to blame me.
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The core reference counting code is centralized in p_refcnt.h.
This has some consequences related to struct pipe_buffer:
* The screen member of struct pipe_buffer must be initialized, or
pipe_buffer_reference() will crash trying to destroy a buffer with reference
count 0. u_simple_screen takes care of this, but I may have missed some of
the drivers not using it.
* Except for rare exceptions deep in winsys code, buffers must always be
allocated via pipe_buffer_create() or via screen->*buffer_create() rather
than via winsys->*buffer_create().
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The template makefile that most libraries in
gallium included was based on dri and had a bunch
unrelevant junk in it.
Update it and improve the depending makefiles.
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The debug functions depend on several util function for os abstractions, and
these depend on debug functions, so a seperate module is not possible.
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this change disassociates, at least from the driver perspective,
the surface from buffer. surfaces are technically now views on the
textures so make it so by hiding the buffer in the internals of
textures.
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move it to pipe/internal/p_winsys_screen.h and start converting
the state trackers to the screen usage
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allows the driver to overwrite buffer allocation, first step on the way
to making winsys interface internal to the drivers. state trackers and
the code above it will go through the screen
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reuse the size of the actual buffer
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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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We want to use the pipe_buffer_* inlines everywhere, but a pipe context
is not always available nor is it needed.
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Also, rename p_tile.[ch] to u_tile.[ch]
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The two functions are identical. Removed align_int() from p_util.h
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For consistency and to simplify these objects' destruction.
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The chars-per-pixel concept falls apart with compressed and yuv images,
where more than one pixel are coded in a single data block.
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The caller can then free the token array immediately.
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Not convenient and almost not used at all. Better replacements in p_debug.h
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The later follows the naming scheme of other limits.
Keep the old definition until all possible usage is updated.
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The cell driver still uses an internal CELL_FLUSH_WAIT flag, in the long run
proper fencing should be implemented for it.
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This provides better information about which images in texture object have changed.
Also, call texture_update() from more places previously missed.
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Hardware almost universally expects us to set a special filtering mode
when anisotropic filtering is enabled, as opposed to varying a max-aniso
values. Do this once in the state tracker & simplify the driver code.
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Bind all the samplers/textures at once rather than piecemeal.
This is easier for drivers to understand.
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The info it contained is now found in tgsi_shader_info.
Added a few assertions to catch potential misunderstandings about register
counts vs. highest register index used.
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