diff options
Diffstat (limited to 'src/glsl/ir_constant_propagation.cpp')
| -rw-r--r-- | src/glsl/ir_constant_propagation.cpp | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/glsl/ir_constant_propagation.cpp b/src/glsl/ir_constant_propagation.cpp index f7a0599f425..390f295d6e9 100644 --- a/src/glsl/ir_constant_propagation.cpp +++ b/src/glsl/ir_constant_propagation.cpp @@ -168,18 +168,26 @@ ir_constant_propagation_visitor::handle_rvalue(ir_rvalue **rvalue) if (!found) return; + int rhs_channel = 0; + for (int j = 0; j < 4; j++) { + if (j == channel) + break; + if (found->write_mask & (1 << j)) + rhs_channel++; + } + switch (type->base_type) { case GLSL_TYPE_FLOAT: - data.f[i] = found->constant->value.f[channel]; + data.f[i] = found->constant->value.f[rhs_channel]; break; case GLSL_TYPE_INT: - data.i[i] = found->constant->value.i[channel]; + data.i[i] = found->constant->value.i[rhs_channel]; break; case GLSL_TYPE_UINT: - data.u[i] = found->constant->value.u[channel]; + data.u[i] = found->constant->value.u[rhs_channel]; break; case GLSL_TYPE_BOOL: - data.b[i] = found->constant->value.b[channel]; + data.b[i] = found->constant->value.b[rhs_channel]; break; default: assert(!"not reached"); |