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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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GeForce 8/9 are a bit more consistent than nv40 so far, so this was
overkill before.
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Setup screen->pipe before using it (screen->constbuf =
screen->pipe.buffer_create(...))
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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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It's possible a state tracker will map/unmap a transfer object many times.
Delaying upload until the object is destroyed will prevent unnecessary
uploads to the GPU.
Also fixing a typo here, was unmapping the wrong buffer on transfer_unmap!
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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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Left behind from some gallium changes a while back..
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Don't look at nouveau_winsys_pipe.h... I promise it's temporary!
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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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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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Previously all squares were textured with the same texture.. not quite what
the demo was supposed to look like!
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This fixes a lot of other things where not all the geometry got drawn
also.
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No real idea what this does.. but a lot of things that misrendered and
made the GPU throw a DATA_ERROR now work.. I'm wondering what side-effects
we'll see from this :)
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Not quite working, but the general idea is right I think.
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Still a little dodgy:
- RTT will hit an assertion (hopefully!) and fail
- 3D textures with depth >= 32 will cause bad things to happen
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uint64 is not (so?) standard, and often redefined by third parties,
causing name clashes.
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I swear this didn't work last time I tried it.. Anyhow, still only
suitable for 2D miptrees - more coming once I know the layout.
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