llvmpipe: first steps of adding dual source blend support

This adds support of the additional blending factors to the blend function
itself, and also enables testing of it in lp_test_blend (which passes).
Still need to add the glue code of linking fs shader outputs to blend inputs
in llvmpipe, and probably need to add special handling if destination doesn't
include alpha (which lp_test_blend doesn't test).

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
gallivm: fix typo in lp_build_mul_norm

The signed case didn't do what the comment indicated. Should increase rounding
precision (at the expense of performance since the former code was effectively
a no-op).

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
softpipe: fix using optimized filter function

This optimized filter (when using repeat wrap modes,
linear min/mag/mip filters, pot textures) only applies to 2d textures,
but nothing prevented it from being used for other textures (likely
leading to very bogus sample results).

Note: This is a candidate for the 9.0 branch.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
softpipe: get rid of tgsi_sampler_control param in img_filter

None of the filters used it (why would they). Maybe that param
was just there because some of the lines were considered to be
too short...

Reviewed-by: Dave Airlie <airlied@redhat.com>
winsys/radeon: improve debuging printing

Make sure one can identify virtual address failure from allocation
failure.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
glsl: Ensure glsl_type constructors initialize gl_type.

Fixes uninitialized scalar field defects reported by Coverity.

Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
intel: Ensure variable intel is used in i915 builds.

Fixes unused pointer value defect reported by Coverity.

Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
gallivm: hook up dx10 sampling opcodes

They are similar to old-style tex opcodes but with separate sampler and
texture units (and other arguments in different places).
Also adjust the debug tgsi dump code.

Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
gallivm: fix up size queries for dx10 sviewinfo opcode

Need to calculate the number of mip levels (if it would be worthwile could
store it in dynamic state).
While here, the query code also used chan 2 for the lod value.
This worked with mesa state tracker but it seems safer to use chan 0.
Still passes piglit textureSize (with some handwaving), though the non-GL
parts are (largely) untested.

v2: clarify and expect the sviewinfo opcode to return ints, not floats,
just like the OpenGL textureSize (dx10 supports dst modifiers with resinfo).
Also simplify some code.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
softpipe: try to beat new dx10-style sample opcodes into shape

There were several bugs how this was handled, most opcodes wouldn't even
have fetched the right arguments.
Also, the tex "target" is coming from the sampler view, hence it cannot
have information about shadow comparisons - fortunately this is not only
sampler state but also needs to have matching instruction, so just use this
instead to identify shadow comparisons.
Still untested (compiles...).
Note that sample_i and sviewinfo are still busted (just assert).
(The problem is that the interface for doing the opengl-equivalent functions
txf and txq is tied to the specific the sampler itself but these opcodes
have no sampler associated with them. Oops...)
Also, even the other sample instructions will not work correctly since
they always operate on samplers which include the texture state. Fixing
this wouldn't be that difficult but most likely make softpipe quite a bit
slower when using the OpenGL tex opcodes (as the samplers have pre-baked
function calls in the sampler state depending on texture state and that stuff
would need to be evaluated at runtime), so leave it for now.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
softpipe: clean up lod computation

This should handle the new lod_zero modifier more correctly.
The runtime-conditional is a bit more complex however we now also do
scalar lod computation when appropriate which should more than make up for it.
The refactoring should also fix an issue with explicit lods
(lod clamp wasn't applied to them).
Also, always pass lod as the 5th element from tgsi executor, which simplifies
things (get rid of annoying conditionals later).

v2: based on Brian's feedback, use switch in a couple of places, fix up
some function parameter names, fix up comments.

Reviewed-by: Brian Paul <brianp@vmware.com>
intel: Do not expose OES_compressed_ETC1_RGB8_texture or ARB_texture_rgb10_a2ui pre-GEN4

Older hardware cannot do ARB_texture_rgb10_a2ui, and the translation
code for OES_compressed_ETC1_RGB8_texture was never implemented in the
i915 driver.

NOTE: This is a candidate for all stable branches.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
configure.ac: Do not check for rt on Mac OS X.

There is no rt library on Mac OS X.

Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=58872
Acked-by: Matt Turner <mattst88@gmail.com>
docs: replace CVS with git

Reviewed-by: Brian Paul <brianp@vmware.com>
docs: update sourcetree

glsl directory is located in src and not in src/egl

v2: remove ppc, move glapi from src/mesa to src/mapi

Reviewed-by: Brian Paul <brianp@vmware.com>
docs: mention some other supported APIs

v2: add ES3

Reviewed-by: Brian Paul <brianp@vmware.com> (v1)
docs: use proper title for index.html

Reviewed-by: Brian Paul <brianp@vmware.com>
docs: update making a new mesa release info

Reviewed-by: Brian Paul <brianp@vmware.com>
docs: document removal of makedepend build dependency

Build dependency removed with
424f2008814ed9047628c40ccd4258a8a9fd8299

Reviewed-by: Matt Turner <mattst88@gmail.com>
llvmpipe: remove lp_swizzled_cbuf

Ununsed since 75da95c5.

Reviewed-by: Adam Jackson <ajax@redhat.com>