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To enable embedding in platforms other than linux.

And replace IS_CUBE_FACE() macro w/ inline function.

Move this code out of _mesa_make_current() and put it into a
helper function.

Signed-off-by: Vadim Girlin <vadimgirlin@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

Signed-off-by: Chad Versace <chad@chad-versace.us>

When emitting either a hiz or stencil buffer, the 'separate stencil
enable' and 'hiz enable' bits are set in 3DSTATE_DEPTH_BUFFER. Therefore
we must emit both 3DSTATE_HIER_DEPTH_BUFFER and 3DSTATE_STENCIL_BUFFER.

Even if there is no stencil buffer, 3DSTATE_STENCIL_BUFFER must be
emitted; failure to do so causes a hang on gen5 and a stall on gen6.

This also fixes a silly, obvious segfault that occured when a hiz buffer
xor separate stencil buffer existed.

Fixes the piglit tests below on Gen5 when hiz and separate stencil are
manually enabled:
    fbo-alphatest-nocolor
    fbo-depth-sample-compare
    fbo
    hiz-depth-read-fbo-d24-s0
    hiz-depth-stencil-test-fbo-d24-s0
    hiz-depth-test-fbo-d24-s0
    hiz-stencil-read-fbo-d0-s8
    hiz-stencil-test-fbo-d0-s8
    fbo-missing-attachment-clear
    fbo-clear-formats
    fbo-depth-*

Changes piglit test result from crash to fail:
    hiz-depth-stencil-test-fbo-d0-s8
Signed-off-by: Chad Versace <chad@chad-versace.us>

[airlied: final chunk of Mike's patch from bug 37476
this uses a loop to emit the GRADIENTS and does a check to
see if we need to fetch to a temporary register. It also
increases the context src gpr to 4 which is needed here.]
Signed-off-by: Dave Airlie <airlied@redhat.com>

[airlied: taken from Mike's patch in bug 37476]
Signed-off-by: Dave Airlie <airlied@redhat.com>

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>

NOTE: This is a candidate for stable release branches (and don't forget
      to re-run "make builtins" after cherry-picking.)

Mike had actually done a lot of the TXD support in a patch in bug
37476 which I see now, I'll add the bits of his work that I didn't think
to add to my work.
Signed-off-by: Dave Airlie <airlied@redhat.com>

This at least passes the piglit arb_shader_texture_lod-texgrad test,
the AMD shader analyzer seems to multiply the V component by an unspecified
constant value no idea why.
Signed-off-by: Dave Airlie <airlied@redhat.com>

This sets the base level as the zero level, which fixes
piglit/texturing/tex-miplevel-selection*.

The r600 hardware ignores the BASE_LEVEL field in some cases, so we can't
use it.

Evergreen might need this too.

Commit 56ef62d9
"glsl: Generate readable unique names at print time."
changed ir_print_visitor to not generate @0x1234567 suffixes except
where necessary.  So there's no need to manually remove them.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>

This change to _glapi_create_table_from_handle causes it to fill the dispatch
table with NoOps for unimplemented functionality.  This matches what is done
in indirect_init.c and also allows us to enable logging (when built with
-DDEBUG and the MESA_DEBUG or LIBGL_DEBUG environment variables are set) to
catch cases where clients are trying to use these unimplemented extentions.

Additionally, this fixes some gcc -pedantic warnings.
Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>

Check that the difference in array pointers/offsets from the 0th
array are less than the stride, for both VBOs and user-space arrays.
Previously, we were only doing this for the later.

This tightens up the interleaved array test and fixes a problem with
the llvmpipe driver where we were creating way too many vertex fetch
variants only because the pipe_vertex_element::src_offset values were
changing frequently.  This change results in a 5x speed-up for one of
the viewperf tests.

Also, clean up the function to make it easier to understand.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>

The code was playing fast and loose with rowstrides, which meant that
if a driver chose anything different for its alignment requirements,
the generated mipmaps came out garbage.  Unlike the uncompressed case,
we can't generate mipmaps directly into image->Data, so by using
TexImage2D we cut out most of the weird logic that existed to generate
in-place into ->Data.  The up/downside is that the driver recovery
code for the fact that _mesa_generate_mipmaps whacked ->Data has to be
turned off for compressed now.

Fixes 6 piglit tests about compressed mipmap gen.

The path taken is wildly different based on this (do we generate from
a temporary image, or from level-1's data), and we appear to have
stride bugs in the compressed case that are tough to disentangle.

This just duplicates the code for the moment, the followon commit will
do the actual changes.  Only real code change here is handling
maxLevel in one common place.

This is effectively just "round up when dividing by 4" compared to the
previous code.  Fixes the broken stripe at the top of
fbo-generatemipmap-formats GL_EXT_texture_compression_rgtc.

One less argument and thing to get wrong.

One less argument to this insanely long function call.

This has been replaced with the gl_format now.

We don't care just about the internalFormat/cpp/compressed, but about
the specific format chosen.  We have no support for format
translations as part of texture validation, and furthermore it has
restrictions in the GL specification.  However, we should be making
consistent decisions for this check anyway.

We were using the default 4x2 alignment instead of the 4x4 required
for RGTC textures.

We only had internal_format before, which is way more irritating to
work with.