SPV: RelaxedPrecision: use the result precision for texture sampling. #2302
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Fix #2298. The AST has two precisions, an operation precision and a result precision. Actual use of GLSL with mediump samplers wants the result precision, so pick that up instead of the operation precision.
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Fix #2298.
The AST has two precisions, an operation precision and a result precision.
Actual use of GLSL with mediump samplers wants the result precision, so
pick that up instead of the operation precision.