| #!/usr/bin/python |
| # Copyright 2016 The ANGLE Project Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| # |
| # gen_copy_conversion_table.py: |
| # Code generation for ES3 valid copy conversions table format map. |
| |
| from datetime import date |
| import sys |
| |
| sys.path.append('renderer') |
| import angle_format |
| |
| template_cpp = """// GENERATED FILE - DO NOT EDIT. |
| // Generated by {script_name} using data from {data_source_name}. |
| // |
| // Copyright {copyright_year} The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| // format_map: |
| // Determining the sized internal format from a (format,type) pair. |
| // Also check es3 format combinations for validity. |
| |
| #include "angle_gl.h" |
| #include "common/debug.h" |
| |
| namespace gl |
| {{ |
| |
| bool ValidES3CopyConversion(GLenum textureFormat, GLenum framebufferFormat) |
| {{ |
| switch (textureFormat) |
| {{ |
| {texture_format_cases} default: |
| break; |
| }} |
| |
| return false; |
| }} |
| |
| }} // namespace gl |
| """ |
| |
| template_format_case = """ case {texture_format}: |
| switch (framebufferFormat) |
| {{ |
| {framebuffer_format_cases} return true; |
| default: |
| break; |
| }} |
| break; |
| |
| """ |
| |
| template_simple_case = """ case {key}: |
| """ |
| |
| def parse_texture_format_case(texture_format, framebuffer_formats): |
| framebuffer_format_cases = "" |
| for framebuffer_format in sorted(framebuffer_formats): |
| framebuffer_format_cases += template_simple_case.format(key = framebuffer_format) |
| return template_format_case.format( |
| texture_format = texture_format, framebuffer_format_cases = framebuffer_format_cases) |
| |
| data_source_name = 'es3_copy_conversion_formats.json' |
| |
| json_data = angle_format.load_json(data_source_name) |
| |
| format_map = {} |
| |
| for description, data in json_data.iteritems(): |
| for texture_format, framebuffer_format in data: |
| if texture_format not in format_map: |
| format_map[texture_format] = [] |
| format_map[texture_format] += [ framebuffer_format ] |
| |
| texture_format_cases = "" |
| |
| for texture_format, framebuffer_formats in sorted(format_map.iteritems()): |
| texture_format_cases += parse_texture_format_case(texture_format, framebuffer_formats) |
| |
| with open('es3_copy_conversion_table_autogen.cpp', 'wt') as out_file: |
| output_cpp = template_cpp.format( |
| script_name = sys.argv[0], |
| data_source_name = data_source_name, |
| copyright_year = date.today().year, |
| texture_format_cases = texture_format_cases) |
| out_file.write(output_cpp) |
| out_file.close() |