[Mesa-dev] [Bug 89068] glTexImage2D regression by texstore_rgba switch to _mesa_format_convert

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89068

--- Comment #6 from Brad King <brad.king at kitware.com> ---
Thanks for taking a look!

I've just run a debug session with commit 1e02f2ba checked out.

> what GPU are you running on?

I'm building software-only:

 ./autogen.sh --prefix="..." \
   --disable-dri --disable-egl --disable-shared-glapi \
   --enable-xlib-glx --enable-gallium-osmesa --with-gallium-drivers=swrast \
   --enable-gallium-llvm=yes LLVM_CONFIG=/usr/bin/llvm-config-3.3 \
   --enable-llvm-shared-libs --enable-debug

> a) the values of the parameters passed to compute_src2dst_component_mapping
> _after_ it has been called (they all are 4-element arrays, the last one is
> an out parameter so that is why I need the values after the call has been
> done)

(gdb) p src2rgba
$1 = "\000\001\002\003"
(gdb) p rgba2dst
$2 = "\000\001\002\003"
(gdb) p rebase_swizzle
$3 = (uint8_t *) 0x0
(gdb) p src2dst
$4 = "\000\001\002\003"

> b) The following input parameters for the call to _mesa_swizzle_and_convert
> right after: src_type, dst_type, dst_num_channels, src_num_channels,
> normalized, width.

$5 = MESA_ARRAY_FORMAT_TYPE_USHORT
(gdb) p src_num_channels
$6 = 4
(gdb) p dst_type
$7 = MESA_ARRAY_FORMAT_TYPE_UBYTE
(gdb) p dst_num_channels
$8 = 4
(gdb) p normalized
$9 = true
(gdb) p width
$10 = 256

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