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D3D10 allows setting of the internal offset of a buffer, which is
in general only incremented via actual stream output writes. By
allowing setting of the internal offset draw_auto is capable
of rendering from buffers which have not been actually streamed
out to. Our interface didn't allow. This change functionally
shouldn't make any difference to OpenGL where instead of an
append_bitmask you just get a real array where -1 means append
(like in D3D) and 0 means do not append.
Signed-off-by: Zack Rusin <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>
Reviewed-by: Jose Fonseca <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
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Reviewed-by: Brian Paul <[email protected]>
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That confuses Gallium's memory debugging code where CALLOC/MALLOC
must be matched with FREE, not free().
Reviewed-by: Marek Olšák <[email protected]>
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For conditional rendering this makes it possible to skip rendering
if either the predicate is true or false, as supported by d3d10
(in fact previously it was sort of implied skip rendering if predicate
is false for occlusion predicate, and true for so_overflow predicate).
There's no cap bit for this as presumably all drivers could do it trivially
(but this patch does not implement it for the drivers using true
hw predicates, nvxx, r600, radeonsi, no change is expected for OpenGL
functionality).
Reviewed-by: Jose Fonseca <[email protected]>
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Reviewed-by: Brian Paul <[email protected]>
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half_pixel_center.
Squashed commit of the following:
commit 04c5fa2cbb8e89d6f2fa5a75af1cca03b1f6b852
Author: José Fonseca <[email protected]>
Date: Tue Apr 23 17:37:18 2013 +0100
gallium: s/lower_left_origin/bottom_edge_rule/
commit 4dff4f64fa83b9737def136fffd161d55e4f1722
Author: José Fonseca <[email protected]>
Date: Tue Apr 23 17:35:04 2013 +0100
gallium: Move diagram to docs.
commit 442a63012c8c3c3797f45e03f2ca20ad5f399832
Author: James Benton <[email protected]>
Date: Fri May 11 17:50:55 2012 +0100
gallium: Replace gl_rasterization_rules with lower_left_origin and half_pixel_center.
This change is necessary to achieve correct results when using OpenGL
FBOs.
Reviewed-by: Marek Olšák <[email protected]>
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Reviewed-by: Brian Paul <[email protected]>
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Reviewed-by: Brian Paul <[email protected]>
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for the env var string not to be awfully long
v2: fix bug in indexing of "name"
Reviewed-by: Brian Paul <[email protected]>
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To set the graph update rate, in seconds. The default update rate
has also been changed to 1/2 second.
Reviewed-by: Marek Olšák <[email protected]>
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The default wrap mode (PIPE_TEX_WRAP_REPEAT) is incompatible with
unnormalized texcoords (at least for softpipe).
v2: use PIPE_TEX_WRAP_CLAMP_TO_EDGE
Reviewed-by: Marek Olšák <[email protected]>
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To match the FREE() called used later. Fixes things on Windows.
Reviewed-by: Marek Olšák <[email protected]>
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Also, renamed "pixels-rendered" to "samples-passed" because the
occlusion counter increments even if colour and depth writes are
disabled, or (on some implementations) for killed fragments that
passed the depth test when PS early_fragment_tests is set.
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This allows using L8 and R8 for the font if I8 isn't supported.
Tested-by: Brian Paul <[email protected]>
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The VMware svga driver is picky about making sure the VBO is unmapped
before drawing.
Reviewed-by: Marek Olšák <[email protected]>
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Reviewed-by: Brian Paul <[email protected]>
v2: lots of cosmetic changes
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