This prevents read buffer overflows in dup_vertex(), when draw stages
allocate extra shader outputs after the vertex buffers are allocated.
The original issue can be exercised with upcoming
piglit/tests/general/vertex-fallbacks.c test.
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Cc: 21.0 21.1 <mesa-stable@lists.freedesktop.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10836>
This fixes the vertex id fetch in the non-llvm drawing paths.
This vertex id in elt mode comes from the elts not just a linear
value.
Note we don't bad basevertex in the elts case as it's already included
in the elts by the looks of it (at least tests fail if I add it)
Fixes piglit end-primitive tests and some others.
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Use NULL tests of the form `if (ptr)' or `if (!ptr)'.
They do not depend on the definition of the symbol NULL.
Further, they provide the opportunity for the accidental
assignment, are clear and succinct.
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Tungsten Graphics Inc. was acquired by VMware Inc. in 2008. Leaving the
old copyright name is creating unnecessary confusion, hence this change.
This was the sed script I used:
$ cat tg2vmw.sed
# Run as:
#
# git reset --hard HEAD && find include scons src -type f -not -name 'sed*' -print0 | xargs -0 sed -i -f tg2vmw.sed
#
# Rename copyrights
s/Tungsten Gra\(ph\|hp\)ics,\? [iI]nc\.\?\(, Cedar Park\)\?\(, Austin\)\?\(, \(Texas\|TX\)\)\?\.\?/VMware, Inc./g
/Copyright/s/Tungsten Graphics\(,\? [iI]nc\.\)\?\(, Cedar Park\)\?\(, Austin\)\?\(, \(Texas\|TX\)\)\?\.\?/VMware, Inc./
s/TUNGSTEN GRAPHICS/VMWARE/g
# Rename emails
s/alanh@tungstengraphics.com/alanh@vmware.com/
s/jens@tungstengraphics.com/jowen@vmware.com/g
s/jrfonseca-at-tungstengraphics-dot-com/jfonseca-at-vmware-dot-com/
s/jrfonseca\?@tungstengraphics.com/jfonseca@vmware.com/g
s/keithw\?@tungstengraphics.com/keithw@vmware.com/g
s/michel@tungstengraphics.com/daenzer@vmware.com/g
s/thomas-at-tungstengraphics-dot-com/thellstom-at-vmware-dot-com/
s/zack@tungstengraphics.com/zackr@vmware.com/
# Remove dead links
s@Tungsten Graphics (http://www.tungstengraphics.com)@Tungsten Graphics@g
# C string src/gallium/state_trackers/vega/api_misc.c
s/"Tungsten Graphics, Inc"/"VMware, Inc"/
Reviewed-by: Brian Paul <brianp@vmware.com>
Draw sometimes injects extra shader outputs (aa points, lines or
front face), unfortunately most of the pipeline and llvm code
didn't handle them at all. It only worked if number of inputs
happened to be bigger or equal to the number of shader outputs
plus the extra injected outputs. In particular when running
the pipeline which depends on the vertex_id in the vertex_header
things were completely broken. The patch adjust the code to
correctly use the total number of shader outputs (the standard
ones plus the injected ones) to make it all stop crashing and
work.
Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
We were incorrectly computing the buffer offset when using the
instances. The buffer offset is always equal to:
start_instance * stride + (instance_num / instance_divisor) *
stride
We were completely ignoring the start instance quite
often producing instances that completely wrong, e.g. if
start instance = 5, instance divisor = 2, then on the first
iteration it should be:
5 * stride, not (5/2) * stride as we'd have currently, and if
start instance = 1, instance divisor = 3, then on the first
iteration it should be:
1 * stride, not 0 as we'd have.
This fixes it and adjusts all the code to the changes.
Signed-off-by: Zack Rusin <zackr@vmware.com>
If the viewport index is larger than the PIPE_MAX_VIEWPORTS,
then the first (0-th) viewport should be used.
Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: José Fonseca<jfonseca@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This adds support for multiple viewports to the draw module.
Multiple viewports depend on the presence of geometry shaders
which can write the viewport index.
Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: José Fonseca<jfonseca@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Jose Fonseca
Dave Airlie
Edward O'Callaghan
Zack Rusin
Brian Paul