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ARB_gpu_shader5 introduces new variants of textureGather* which have an
explicit component selector, rather than relying purely on the sampler's
swizzle state.
This patch adds the GLSL plumbing for the extra parameter.
Signed-off-by: Chris Forbes <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Signed-off-by: Chris Forbes <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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V2 [Chris Forbes]:
- Add new pattern, fixup parameter reading.
V3: Rebase onto new builtins machinery
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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We have ir->print() to do the old declaration of a visitor and having the
IR accept the visitor (yuck!). And now you can call _mesa_print_ir()
safely anywhere that you know what an ir_instruction is.
A couple of missing printf("\n")s are added in error paths -- when an
expression is handed to the visitor, it doesn't print '\n' (since it might
be a step in printing a whole expression tree).
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
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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 <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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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 <[email protected]>
[V2] Reviewed-by: Eric Anholt <[email protected]>
[V2] Reviewed-by: Paul Berry <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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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 <[email protected]>
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One unique aspect of TXS is that it doesn't have a coordinate.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Dave Airlie <[email protected]>
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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.
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I keep copy and pasting this code all over, so consolidate it in one
place.
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