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This reverts commit de4784e36505316c2a5ab34cc5b371d17f38d3c5.
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No need to enable depth test for clear.
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Fixes MSVC build.
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util_framebuffer_copy was attempting to copy all elements of the
source framebuffer state.
However, this breaks if the user does not zero initialize the structure.
Instead, only copy the elements up to nr_cbufs, and clear elements up
to dst->nr_cbufs, if the destination was larger than the source.
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Direct3D 10/11 has no concept of transfers. Applications instead
create resources with a STAGING or DYNAMIC usage, copy between them
and the real resource and use Map to map the STAGING/DYNAMIC resource.
This util module allows to implement Gallium drivers as a Direct3D
driver would be implemented: transfers allocate a resource with
PIPE_USAGE_STAGING, and copy the data between it and the real resource
with resource_copy_region.
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Used to find out if a surface exists without creating one.
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Using cso_hash directly is the right thing since util_hash_table
adds useless overhead and is harder to use for this application.
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They are unimplemented, even though the framework makes it possible to
implement them well, and nv50 needs them.
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Current practice is to start identifiers with "util_" instead of "u_".
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This is a simple framework that handles splitting primitives in an
abstract way.
The user has to specify the primitive start, start index and count.
Then, it can ask the primitive splitter to "draw" a chunk of the
primitive, staying under a given vertex/index budget.
The primitive splitter will then call user-supplied functions to
emit a range of vertices/indices, as well as switch the edgeflag
on or off.
This is particularly useful for hardware that either has limits
on the vertex count field, or where vertices are pushed on a FIFO
or temporary buffer of limited size.
Note that unlike other splitters, it does not manipulate data in
any way, and merely asks a callback to do so, in vertex intervals.
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To convert RGB -> SRGB format.
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It's bound to be useful elsewhere.
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This implements fast Z clear, Z compression, and HiZ support for r300->r500
GPUs.
It also allows cbzb clears when fast Z clears are being used for the ZB.
It requires a kernel with hyper-z support.
Thanks to Marek Olšák <maraeo@gmail.com>, who started this off, and Alex Deucher at AMD for providing lots of hints.
v2:
squashed zmask ram size fix]
squashed r300g/blitter: fix Z readback when compressed]
v3:
rebase around texture changes in master - .1 fix more bits
v4:
migrated to using u_mm in r300_texture to manage hiz/zmask rams consistently
disabled HiZ when using OQ
flush z-cache before turning hyper-z off
update hyper-z state on dsa state change
store depthclearvalue across cbzb clears and replace it afterwards.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Apparently, we must always use integers to perform calculations,
otherwise the results won't match D3D's CxV8U8 definition.
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Keep min_index and max_index at their defaults (0 and ~0).
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Useful for packing mask values.
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Unnecessary.
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Update u_draw_quad, st/vega, and st/mesa to use pipe_context::draw_vbo.
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Some drivers define a generic function that is called by all drawing
functions. To implement draw_vbo for such drivers, either draw_vbo
calls the generic function or the prototype of the generic function is
changed to match draw_vbo.
Other drivers have no such generic function. draw_vbo is implemented by
calling either draw_arrays and draw_elements.
For most drivers, set_index_buffer does not mark the state dirty for
tracking. Instead, the index buffer state is emitted whenever draw_vbo
is called, just like the case with draw_elements. It surely can be
improved.
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s/PIPE_OS_DARWIN/PIPE_OS_APPLE, since there is no PIPE_OS_DARWIN.
Acked-by: Vinson Lee <vlee@vmware.com>
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By fixing one, I introduced another. Crap.
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It should allocate less memory now.
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Empty structure types aren't allowed with MSVC.
I haven't tested this change. Hope I haven't broken it...
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malloc/free are in O(1).
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I'd like to see the help when I request it.
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Not always implemented, but useful in situations where we want 8unorms
and the samples comes as 8unorms as we needlessly convert to/from
floats.
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before this change, r600 glxinfo segfaulted in the list code, and I wasn't
debugging another linked list implementation, its 2010 after all.
So add the two missing list macros to the gallium header from X.org list header file (after fixing them), then port all r600 lists to the new header.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Ooops. This should possibly fix some bugs...
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The conditionals aren't needed.
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