glsl: Refactor a bunch of the code out of cross_validate_outputs_to_inputs

The new function, cross_validate_types_and_qualifiers, will have
multiple callers from this file in future commits.

v2: Don't pass the names of the producer / consumer stages to
cross_validate_types_and_qualifiers.  Instead, pass the types and get
the names only in the error paths.  Suggested by Paul.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
glsl: Copy ir_variable::assigned and ir_variable::used fields in ::clone method

Nothing currently relies on this, but one of the next patches will.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
glsl: Validate qualifiers on VS color outputs with FS color inputs

The vertex shader color outputs (gl_FrontColor, gl_BackColor,
gl_FrontSecondaryColor, and gl_BackSecondaryColor) don't have the same
names as the matching fragment shader color inputs (gl_Color and
gl_SecondaryColor).  As a result, the qualifiers on them were not being
properly cross validated.

Full spec compliance required ir_variable::used and
ir_variable::assigned be set properly.  Without the preceeding patch,
which fixes the ::clone method to copy them, this will not be the case.

Fixes all of the previously failing piglit
spec/glsl-1.30/linker/interpolation-qualifiers tests.

v2: Update callers of cross_validate_types_and_qualifiers and
cross_validate_front_and_back_color.  The function signature changed in
v2 of a previous patch.  Suggested by Paul.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=47755
glsl: Remove unused prog parameter from tfeedback_decl::init

It looks like commit 53febac removed the last user of that parameter.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
i915g: Add more optimizations

This patch adds liveness analysis to i915g and a couple
optimizations which benefit from it. One interesting
optimization turns (fake) indirect texture accesses into direct
texture accesses (the i915 supports a maximum of 4 indirect
texture accesses). Among other things this fixes a bunch of
piglit tests.
glx: Initialize OpenGL version to 1.0

The old code in dri2_glx suffered from a typographical error that caused
the default version to be 2.1 instead of 1.2 (minimum required by the
Linux OpenGL ABI).  drisw_glx had a similar error resulting in a default
version of 0.1.

Some driver/card combinations (r200/RV280, i915/915G) don't support
OpenGL 2.1.  These create in some corner cases an indirect context
instead of a direct context when calling glXCreateContextAttribsARB().
This happens because of a bad default value.  To avoid this, just used
the default value specified by the GLX_ARB_create_context specification:

    "The default values for GLX_CONTEXT_MAJOR_VERSION_ARB and
    GLX_CONTEXT_MINOR_VERSION_ARB are 1 and 0 respectively. In this
    case, implementations will typically return the most recent version
    of OpenGL they support which is backwards compatible with OpenGL 1.0
    (e.g. 3.0, 3.1 + GL_ARB_compatibility, or 3.2 compatibility
    profile)"

Refactor all the default value setting to dri2_convert_glx_attribs, and
make sure the correct defaults are set in that one place.

Signed-off-by: Rico Schüller <kgbricola@web.de>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Bugzilla http://bugs.winehq.org/show_bug.cgi?id=34238
Cc: "9.1 9.2" <mesa-stable@lists.freedesktop.org>
Move nv30, nv50 and nvc0 to nouveau.
ilo: -I$(top_srcdir)/src/mesa/drivers/dri/i965
Suppress clang's warnings about unused CFLAGS and CXXFLAGS.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
configure.ac: Save user {C,CXX}FLAGS and append them at end.

This way the user has the privilege of last decision and so the option to build an optimized debug build again.
radeon: Build libllvmradeon the right way.

Better build system integration for:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=91a160b
http://cgit.freedesktop.org/mesa/mesa/commit/?id=5b2855b
gallium/targets: Make use of prebuilt libdricommon.la.
Drop support for --enable-static / --disable-shared.
gallium/auxiliary: Build libgallium shared.
Drop last parts of compatibility for the old Mesa build system.
mapi: Build libglapi always shared.
mesa: Build libmesa shared.
Install all internal shared libs to $(libdir)/mesa-$VERSION.
Makefile.am: s:-no-undefined:-Wl,--no-undefined to make it work.
gallium/drivers: Build libs -shared.