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vulkan/amber/ldexp/gen_shaders.py

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+#!/usr/bin/env python
+#
+# Copyright (c) 2025 The Khronos Group Inc.
+# Copyright (c) 2025 Valve Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+import sys
+
+TEMPLATE_NAME = 'template.glsl'
+with open(TEMPLATE_NAME, 'r') as stream:
+    template = stream.read()
+
+COMPONENT_COUNTS = [1, 2, 4]
+
+FLOAT16 = ['float16_t', 'f16vec2', 'f16vec3', 'f16vec4']
+FLOAT32 = ['float32_t', 'f32vec2', 'f32vec3', 'f32vec4']
+FLOAT64 = ['float64_t', 'f64vec2', 'f64vec3', 'f64vec4']
+
+INT8  = ['int8_t', 'i8vec2', 'i8vec3', 'i8vec4']
+INT16 = ['int16_t', 'i16vec2', 'i16vec3', 'i16vec4']
+INT32 = ['int32_t', 'i32vec2', 'i32vec3', 'i32vec4']
+INT64 = ['int64_t', 'i64vec2', 'i64vec3', 'i64vec4']
+
+for component_count in COMPONENT_COUNTS:
+    type_index = component_count - 1
+    for significand_type in (FLOAT16[type_index], FLOAT32[type_index], FLOAT64[type_index]):
+        for exponent_type in (INT8[type_index], INT16[type_index], INT32[type_index], INT64[type_index]):
+            shader_code = template.format(significand_type=significand_type, exponent_type=exponent_type)
+            file_name = 'ldexp_{significand_type}_{exponent_type}.glsl'.format(significand_type=significand_type, exponent_type=exponent_type)
+            with open(file_name, 'w') as stream:
+                stream.write(shader_code)
+
+sys.exit()