nir: add glsl_channel_type() helper
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
@@ -397,3 +397,30 @@ glsl_transposed_type(const struct glsl_type *type)
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return glsl_type::get_instance(type->base_type, type->matrix_columns,
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type->vector_elements);
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}
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const glsl_type *
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glsl_channel_type(const glsl_type *t)
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{
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switch (glsl_get_base_type(t)) {
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case GLSL_TYPE_ARRAY: {
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const glsl_type *base = glsl_channel_type(glsl_get_array_element(t));
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return glsl_array_type(base, glsl_get_length(t));
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}
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case GLSL_TYPE_UINT:
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return glsl_uint_type();
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case GLSL_TYPE_INT:
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return glsl_int_type();
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case GLSL_TYPE_FLOAT:
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return glsl_float_type();
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case GLSL_TYPE_BOOL:
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return glsl_bool_type();
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case GLSL_TYPE_DOUBLE:
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return glsl_double_type();
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case GLSL_TYPE_UINT64:
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return glsl_uint64_t_type();
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case GLSL_TYPE_INT64:
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return glsl_int64_t_type();
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default:
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unreachable("Unhandled base type glsl_channel_type()");
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}
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}
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@@ -163,6 +163,8 @@ const struct glsl_type * glsl_function_type(const struct glsl_type *return_type,
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const struct glsl_type *glsl_transposed_type(const struct glsl_type *type);
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const struct glsl_type *glsl_channel_type(const struct glsl_type *type);
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#ifdef __cplusplus
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}
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#endif
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