Prepare GLSL compiler for GLSL_TYPE_FLOAT16
This MR adds support for GLSL_TYPE_FLOAT16 throughout the GLSL code in preparation for the actual lowering of mediump to this type. No functional changes expected as nothing yet generates this type.
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This MR adds support for GLSL_TYPE_FLOAT16 throughout the GLSL code in preparation for the actual lowering of mediump to this type. No functional changes expected as nothing yet generates this type.