diff options
author | Juan A. Suarez Romero <[email protected]> | 2018-05-09 15:17:59 +0000 |
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committer | Juan A. Suarez Romero <[email protected]> | 2018-06-01 18:09:22 +0200 |
commit | cbe4baed1f63db697500db069756750afc9e7609 (patch) | |
tree | 0f8280883a02344faf7799ff0d98801a346dbb02 /src/compiler/glsl | |
parent | 4ad8e2ac82d6dbc78dd39947d6b2914be169d0d9 (diff) |
glsl: Add ir_binop_vector_extract in NIR
Implement ir_binop_vector_extract using NIR operations. Based on SPIR-V
to NIR approach.
This fixes:
dEQP-GLES3.functional.shaders.indexing.moredynamic.with_value_from_indexing_expression_fragment
Piglit's glsl-fs-vec4-indexing-8.shader_test
CC: [email protected]
Signed-off-by: Juan A. Suarez Romero <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Iago Toral <[email protected]>
Diffstat (limited to 'src/compiler/glsl')
-rw-r--r-- | src/compiler/glsl/glsl_to_nir.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/compiler/glsl/glsl_to_nir.cpp b/src/compiler/glsl/glsl_to_nir.cpp index dc3e822308b..baaa3affed9 100644 --- a/src/compiler/glsl/glsl_to_nir.cpp +++ b/src/compiler/glsl/glsl_to_nir.cpp @@ -1940,6 +1940,15 @@ nir_visitor::visit(ir_expression *ir) unreachable("not reached"); } break; + case ir_binop_vector_extract: { + result = nir_channel(&b, srcs[0], 0); + for (unsigned i = 1; i < ir->operands[0]->type->vector_elements; i++) { + nir_ssa_def *swizzled = nir_channel(&b, srcs[0], i); + result = nir_bcsel(&b, nir_ieq(&b, srcs[1], nir_imm_int(&b, i)), + swizzled, result); + } + break; + } case ir_binop_ldexp: result = nir_ldexp(&b, srcs[0], srcs[1]); break; case ir_triop_fma: |