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LibGL: Generate the API wrappers

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We now generate all LibGL API wrappers from a single API method
definition list stored in `GLAPI.json`. Since a significant portion of
the OpenGL API methods are relatively consistent variants, we take
advantage of this to generate a lot of these variants at once.

The autogenerated methods check for the non-nullness of the current
`GLContext`, and only perform an action if a `GLContext` is present.
This prevents a crash in ports like GLTron, who assume you can still
call the OpenGL API without an active context.

This increases our API wrapper method count from 211 to 356.

Fixes #15814.
This commit is contained in:
Jelle Raaijmakers 2022-12-05 17:09:03 +01:00 • committed by Andreas Kling
parent 8c094699db
commit 2da1c1c10e
9 changed files with 1787 additions and 1404 deletions
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14
Meta/CMake/libgl_generators.cmake Normal file
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@ -0,0 +1,14 @@
function (generate_libgl_implementation)
set(LIBGL_INPUT_FOLDER "${CMAKE_CURRENT_SOURCE_DIR}")
invoke_generator(
"GLAPI.cpp"
Lagom::GenerateGLAPIWrapper
"${LIBGL_INPUT_FOLDER}/GLAPI.json"
"GL/glapi.h"
"GLAPI.cpp"
arguments -j "${LIBGL_INPUT_FOLDER}/GLAPI.json"
)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/GL/glapi.h" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/LibGL/GL/")
endfunction()