st/mesa: fix sampler view handling with shared textures v4

Release the references to the sampler views before
destroying the pipe context.

v2: remove TODO and unrelated change
v3: move to st_texture.[ch], rename callback, add comment
v4: fix rebase mess up and add further cleanups

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Cc: "10.0 10.1" <mesa-stable@lists.freedesktop.org>
mapi/glapi: Remove glX_doc.py.

As suggested by Ian Romanick, given it's no longer used.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
mapi/glapi: Use ElementTree instead of libxml2.

It is quite hard to meet the dependency of the libxml2 python bindings
outside Linux, and in particularly on MacOSX; whereas ElementTree is
part of Python's standard library.  ElementTree is more limited than
libxml2: no DTD verification, defaults from DTD, or XInclude support,
but none of these limitations is serious enough to justify using
libxml2.

In fact, it was easier to refactor the code to use ElementTree than to
try to get libxml2 python bindings.

In the process, gl_item_factory class was refactored so that there is
one method for each kind of object to be created, as it simplifies
things substantially.

I confirmed that precisely the same output is generated for GL/GLX/GLES.

v2: Remove m4/ax_python_module.m4 as suggested by Matt Turner.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
st/omx/dec: fix possible segfault at eos

Signed-off-by: Christian König <christian.koenig@amd.com>
llvmpipe: Fix llvmpipe_create_gs_state.

Revert unintended behaviour change from commit
b995a010e688bc4d4557e973e5e28091c378e881.

Tested-by: José Fonseca <jfonseca@vmware.com>
mesa: rename format_(un)pack.c functions to match format names (pt. 1)

sed commands:
s/RGBA8888\b/A8B8G8R8_UNORM/g
s/RGBA8888_REV\b/R8G8B8A8_UNORM/g
s/ARGB8888\b/B8G8R8A8_UNORM/g
s/ARGB8888_REV\b/A8R8G8B8_UNORM/g
s/RGBA8888\b/X8B8G8R8_UNORM/g
s/RGBA8888_REV\b/R8G8B8X8_UNORM/g
s/XRGB8888\b/B8G8R8X8_UNORM/g
s/XRGB8888_REV\b/X8R8G8B8_UNORM/g
s/RGB888\b/BGR_UNORM8/g
s/BGR888\b/RGB_UNORM8/g
s/RGB565\b/B5G6R5_UNORM/g
s/RGB565_REV\b/R5G6B5_UNORM/g
s/ARGB4444\b/B4G4R4A4_UNORM/g
s/ARGB4444_REV\b/A4R4G4B4_UNORM/g
s/RGBA5551\b/A1B5G5R5_UNORM/g
s/ARGB1555\b/B5G5R5A1_UNORM/g
s/ARGB1555_REV\b/A1R5G5B5_UNORM/g
s/AL44\b/L4A4_UNORM/g
s/AL88\b/L8A8_UNORM/g
s/AL88_REV\b/A8L8_UNORM/g
s/AL1616\b/L16A16_UNORM/g
s/AL1616_REV\b/A16L16_UNORM/g
s/RGB332\b/B2G3R3_UNORM/g
s/A8\b/A_UNORM8/g
s/A16\b/A_UNORM16/g
s/L8\b/L_UNORM8/g
s/L16\b/L_UNORM16/g
s/L8\b/I_UNORM8/g
s/L16\b/I_UNORM16/g
s/R8\b/R_UNORM8/g
s/GR88\b/R8G8_UNORM/g
s/RG88\b/G8R8_UNORM/g
s/R16\b/R_UNORM16/g
s/GR1616\b/R16G16_UNORM/g
s/RG1616\b/G16R16_UNORM/g
s/ARGB2101010\b/B10G10R10A2_UNORM/g

Reviewed-by: Reviewed-by: Roland Scheidegger <sroland@vmware.com>
mesa: rename format_(un)pack.c functions to match format names (pt. 2)

sed commands:
s/ABGR2101010\b/R10G10B10A2_UNORM/g
s/XRGB2101010_UNORM\b/B10G10R10X2_UNORM/g
s/XBGR16161616_UNORM\b/RGBX_UNORM16/g
s/ABGR2101010\b/R10G10B10A2_UNORM/g
s/I8\b/I_UNORM8/g
s/I16\b/I_UNORM16/g

Reviewed-by: Reviewed-by: Roland Scheidegger <sroland@vmware.com>
mesa: rename format_(un)pack.c functions to match format names (pt. 3)

sed commands:
s/LUMINANCE_FLOAT32\b/L_FLOAT32/g
s/LUMINANCE_FLOAT16\b/L_FLOAT16/g
s/LUMINANCE_ALPHA_FLOAT32\b/LA_FLOAT32/g
s/LUMINANCE_ALPHA_FLOAT16\b/LA_FLOAT16/g
s/ALPHA_FLOAT32\b/A_FLOAT32/g
s/ALPHA_FLOAT16\b/A_FLOAT16/g
s/XBGR32323232_FLOAT\b/RGBX_FLOAT32/g
s/RGB9_E5_FLOAT\b/R9G9B9E5_FLOAT/g
s/R11_G11_B10_FLOAT\b/R11G11B10_FLOAT/g
s/INTENSITY_FLOAT16\b/I_FLOAT16/g
s/INTENSITY_FLOAT32\b/I_FLOAT32/g

v2: removed a few redundant/no-op substitutions

Reviewed-by: Reviewed-by: Roland Scheidegger <sroland@vmware.com>
mesa: rename format_(un)pack.c functions to match format names (pt. 4)

sed commands:
s/SRGBA_UNORM8\b/A8B8G8R8_SRGB/g
s/SABGR_UNORM8\b/R8G8B8A8_SRGB/g
s/SARGB8\b/B8G8R8A8_SRGB/g
s/XBGR8888_SRGB\b/R8G8B8X8_SRGB/g
s/XRGB8888_SRGB\b/B8G8R8X8_SRGB/g
s/SL_UNORM8\b/L_SRGB8/g
s/SLA_UNORM8\b/L8A8_SRGB/g

manually changed SRGB8 -> BGR_SRGB8

Reviewed-by: Reviewed-by: Roland Scheidegger <sroland@vmware.com>
mesa: rename format_(un)pack.c functions to match format names (pt. 5)

sed commands:
s/SIGNED_R_UNORM8\b/R_SNORM8/g
s/SIGNED_RG88_REV\b/R8G8_SNORM/g
s/SIGNED_RGBX8888\b/X8B8G8R8_SNORM/g
s/SIGNED_A8B8G8R8_UNORM\b/A8B8G8R8_SNORM/g
s/SIGNED_R8G8B8A8_UNORM\b/R8G8B8A8_SNORM/g
s/SIGNED_R_UNORM16\b/R_SNORM16/g
s/SIGNED_R16G16_UNORM\b/R16G16_SNORM/g
s/SIGNED_RGB_16\b/RGB_SNORM16/g
s/SIGNED_RGBA_16\b/RGBA_SNORM16/g
s/SIGNED_A_UNORM8\b/A_SNORM8/g
s/SIGNED_L_UNORM8\b/L_SNORM8/g
s/SIGNED_L8A8_UNORM\b/L8A8_SNORM/g
s/SIGNED_L_UNORM8\b/I_SNORM8/g
s/SIGNED_A_UNORM16\b/A_SNORM16/g
s/SIGNED_L_UNORM16\b/L_SNORM16/g
s/SIGNED_L16A16_UNORM\b/LA_SNORM16/g
s/SIGNED_L_UNORM16\b/I_SNORM16/g
s/XBGR16161616_SNORM\b/RGBX_SNORM16/g
s/SIGNED_G8R8_UNORM\b/G8R8_SNORM/g
s/SIGNED_G16R16_UNORM\b/G16R16_SNORM/g
s/SIGNED_I_UNORM8\b/I_SNORM8/g
s/SIGNED_I_UNORM16\b/I_SNORM16/g

Reviewed-by: Reviewed-by: Roland Scheidegger <sroland@vmware.com>
mesa: rename format_(un)pack.c functions to match format names (pt. 6)

sed commands:
s/ARGB2101010_UINT\b/B10G10R10A2_UINT/g
s/ABGR2101010_UINT\b/R10G10B10A2_UINT/g

Reviewed-by: Reviewed-by: Roland Scheidegger <sroland@vmware.com>
mesa: rename format_(un)pack.c functions to match format names (pt. 7)

sed commands:
s/z_Z24_S8\b/S8_UINT_Z24_UNORM/g
s/z_S8_Z24\b/Z24_UNORM_S8_UINT/g
s/z_Z16\b/Z_UNORM16/g
s/z_Z32\b/Z_UNORM32/g
s/z_Z32_FLOAT/Z_FLOAT32/g

Reviewed-by: Reviewed-by: Roland Scheidegger <sroland@vmware.com>
mesa: fix indentation, formatting, etc in fbobject.c
mesa: fix unpack_Z32_FLOAT_X24S8() / unpack_Z32_FLOAT() mix-up

And use the z32f_x24s8 helper struct in unpack_Z32_FLOAT_X24S8().
Cc: "10.0" "10.1" <mesa-stable@lists.freedesktop.org>

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
svga: fix a comment (sampler vs. sampler_view)
st/mesa: add null pointer checking in query object functions

Don't pass null query object pointers into gallium functions.
This avoids segfaulting in the VMware driver (and others?) if the
pipe_context::create_query() call fails and returns NULL.

Cc: "10.0" "10.1" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
svga: add some debug_printf() calls in the query object code

To help debug failures.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
svga: null out query's hwbuf pointer after destroying

Just to be extra safe.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
svga: add work-around for Sauerbraten Z fighting issue

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
draw/gs: reduce the size of the gs output buffer

We used to overallocate the output buffer sometimes running out
of memory with applications rendering large geometries. The actual
maximum number of vertices out is simply the maximum number of
primitives in (number of gs invocations) multiplied by the maximum
number of output vertices per gs input primitive (i.e. gs invocation).

Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>