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Finally we can inject layers for debug, trace and "other" with
relative ease between state-tracker and driver.
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Several software rasterizers can make use of this winsys, but there
isn't any reason why the winsys itself should know about them.
This change moves that information into the libgl-xlib target.
Need to fix up other targets making use of this winsys.
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The driver is pretty much totally broken though.
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This will likely change. Most probably we'll just add an alias to indvidual
targets and use the regular scons targets arguments.
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Don't make the shared software winsys rely on internal knowledge about
the cell driver's texture twiddling.
This is just a sketch and hasn't even been compile tested.
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No need for the user of this winsys to supply/manage the x11 gc for
us.
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Conflicts:
src/gallium/drivers/llvmpipe/lp_setup.c
src/gallium/drivers/softpipe/sp_texture.c
src/gallium/drivers/softpipe/sp_winsys.h
src/gallium/state_trackers/egl/common/egl_g3d.c
src/gallium/state_trackers/egl/x11/native_x11.c
src/gallium/state_trackers/egl/x11/native_x11.h
src/gallium/state_trackers/egl/x11/native_ximage.c
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commit f90b3f01af82b9522067b1824e21709a6fb2d3af
Author: Keith Whitwell <keithw@vmware.com>
Date: Mon Mar 8 14:39:44 2010 +0000
gallium: remove p_screen::surface_buffer_create
This isn't very useful without texture_blanket(), which has also been
removed.
Note that this function hasn't been removed from the old pipe_winsys
(u_simple_screen) still used internally by some drivers (eg softpipe).
commit 6c462de39a4b9980a5f034a95e580efdfcb8173b
Author: Keith Whitwell <keithw@vmware.com>
Date: Mon Mar 8 14:27:40 2010 +0000
egl/x11: disable texture_blanket usage
commit b42da9160df9f47224e5b3291b972f41767aa6e5
Merge: 4be2436 3ca9336
Author: Keith Whitwell <keithw@vmware.com>
Date: Mon Mar 8 14:27:24 2010 +0000
Merge commit 'origin/master' into gallium-no-texture-blanket
Conflicts:
src/gallium/drivers/svga/svga_screen_texture.c
commit 4be2436316929e3dfc55bc34d810920c06556b66
Author: Keith Whitwell <keithw@vmware.com>
Date: Thu Mar 4 14:59:26 2010 +0000
gallium: remove texture blanket call
No longer needed, except for nouveau and egl/xll/native_ximage.c.
Fix for nouveau is to keep the call, but move it to an internal
function within nouveau.
Fix for that egl/x11 relies on gallium-sw-api branch or its successor.
commit 69b6764330367d63c237d0bde9fb96435d0e0257
Author: Keith Whitwell <keithw@vmware.com>
Date: Thu Mar 4 13:35:16 2010 +0000
drm_api: wrap comment
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The first part of the fix of BGRA vertex colors.
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Fixes glean/clipFlat for r300g.
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Change the texture data_ptr from just a single image pointer to an
array of image pointers, indexed by mipmap level.
We'll use this for mipmap filtering.
For now, the mipmap level is hard-coded to zero.
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The code was walking over the regs of pairs of attributes and checking
whether the attribute with a given reg index had point sprite enabled.
So the point sprite setup code was rarely even getting executed.
Instead, we need to determine which channels of a reg need point
sprite coordinate replacement. In addition, it was multiplying the
attribute by 1/w, when it's supposed to cover (0, 1) in each direction
regardless of w, and it wasn't filling in the Z and W components of
the texcoord as specified.
Fixes piglit point-sprite and the spriteblast demo. Bug #24431, #22245.
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Just use flush_frontbuffer directly. The flush_frontbuffer routine has
been somewhat devalued recently, but it is actually just the right
interface for our needs.
It is in pipe_screen, meaning that any wrapping (eg trace module)
will get properly unwrapped before we try and use the pipe_surface
argument for real.
If a particular co-state-tracker needs to implement this itself, it
should organize a way to allow the winsys to call back up to its
level, rather than hijacking the driver-supplied implementation.
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Currently there are still at least two functions bundled up inside the
winsys concept:
a) that of a backend resource manager, sometimes capable of performing
present() operations,
b) the initialization code/routine for the whole driver stack.
The inclusion of (b) makes it difficult to share implementations of
(a) between different drivers. For instance, a clean xlib winsys
could be of use for software-rasterized VG, GLES, EGL, etc, stacks.
But that is only true as long as there is no dependency from the
winsys to higher level code, as would be the case when we include (b)
in this component.
This change creates a new gallium/targets subtree, specifically for
implementing the glue needed to build individual driver stacks, and
moves that code out of a single example winsys, namely xlib.
Other drivers continue to build unchanged, but hopefully can migrate
to this structure over time.
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Before, we only cleared the flags for the active tiles (the ones inside
the framebuffer bound). The problem is if we later bound a different,
larger surface to the tile cache we'd have some stale clear-flags still
set (and mistakenly clear some tiles in the new surface).
Fixes fd.o bug 26932.
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There's no reason to release the renderbuffer from the framebuffer object
or release the gallium surface in this function (they're reference counted).
In fact, we don't want to do this because we may later use the texture as a
pixel source (ex: glBlitFramebuffer) and need the surface.
Fixes fd.o bug 26923 and is part of the fix for bug 26932.
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Allow render to texture for X8_Z24 and Z24_X8 formats.
Replace big if/else with switch, etc.
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R300 hw doesn't support sampling from Z24_S8 or S8_Z24 formats.
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