Commit Graph

7 Commits

Author SHA1 Message Date
Dave Airlie
110ca8b1f3 glsl: Implement ARB_texture_query_lod
v2 [mattst88]:
   - Rebase.
   - #define GL_ARB_texture_query_lod to 1.
   - Remove comma after ir_lod in ir.h for MSVC.
   - Handled ir_lod in ir_hv_accept.cpp, ir_rvalue_visitor.cpp,
     opt_tree_grafting.cpp.
   - Rename textureQueryLOD to textureQueryLod, see
     https://www.khronos.org/bugzilla/show_bug.cgi?id=821
   - Fix ir_reader of (lod ...).
v3 [mattst88]:
   - Rename textureQueryLod to textureQueryLOD, pending resolution of
     Khronos 821.
   - Add ir_lod case to ir_to_mesa.cpp.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
2013-03-29 10:20:26 -07:00
Chris Forbes
ffb53b4f03 glsl: add support for ARB_texture_multisample
V2: - emit `sample` parameter properly for multisample texelFetch()
    - fix spurious whitespace change
    - introduce a new opcode ir_txf_ms rather than overloading the
      existing ir_txf further. This makes doing the right thing in
      the driver somewhat simpler.

V3: - fix weird whitespace

V4: - don't forget to include the new opcode in tex_opcode_strs[]
      (thanks Kenneth for spotting this)

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
[V2] Reviewed-by: Eric Anholt <eric@anholt.net>
[V2] Reviewed-by: Paul Berry <stereotype441@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
2013-03-02 11:33:54 +13:00
Eric Anholt
8c2a983835 glsl: Add a variant of the rvalue visitor for handle_rvalue() on the way down.
For the UBO lowering pass, I want to see the whole dereference chain for
replacing, not the innermost ir_dereference_variable.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
2012-08-07 11:47:49 -07:00
Kenneth Graunke
1e3bcbdf31 glsl: Add a new ir_txs (textureSize) opcode to ir_texture.
One unique aspect of TXS is that it doesn't have a coordinate.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
2011-08-23 11:16:30 -07:00
Kenneth Graunke
c5a27b5939 glsl: Change texel offsets to a single vector rvalue.
Having these as actual integer values makes it difficult to implement
the texture*Offset built-in functions, since the offset is actually a
function parameter (which doesn't have a constant value).

The original rationale was that some hardware needs these offset baked
into the instruction opcode.  However, at least i965 should be able to
support non-constant offsets.  Others should be able to rely on inlining
and constant propagation.
2011-01-31 11:10:59 -08:00
Ian Romanick
c8ee8e07f7 glsl2: Set a flag when visiting the assignee of an assignment 2010-09-03 11:55:21 -07:00
Eric Anholt
b3b0cf6a4c glsl2: Add a generic visitor class to call back with pointers to each rvalue.
I keep copy and pasting this code all over, so consolidate it in one
place.
2010-08-13 17:54:46 -07:00